diff --git a/Kbuild b/Kbuild
index 94c752762bc2..af161aa1facd 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Kbuild for top-level directory of the kernel
 # This file takes care of the following:
diff --git a/Kconfig b/Kconfig
index c13f48d65898..8c4c1cb0f9cd 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
diff --git a/Makefile b/Makefile
index 01875d606f44..4d1dcce4fbb9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
 SUBLEVEL = 0
diff --git a/arch/Kconfig b/arch/Kconfig
index d789a89cb32c..057370a0ac4e 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # General architecture dependent options
 #
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 0e49d39ea74a..69b875880754 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ALPHA
 	bool
 	default y
diff --git a/arch/alpha/Kconfig.debug b/arch/alpha/Kconfig.debug
index 3f6265f2d9d4..5e93dffb818a 100644
--- a/arch/alpha/Kconfig.debug
+++ b/arch/alpha/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/alpha/boot/bootloader.lds b/arch/alpha/boot/bootloader.lds
index 31c081ce1d50..8cdff54c6e41 100644
--- a/arch/alpha/boot/bootloader.lds
+++ b/arch/alpha/boot/bootloader.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 OUTPUT_FORMAT("elf64-alpha")
 ENTRY(__start)
 printk = srm_printk;
diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c
index 2a542a506557..95c0359f4858 100644
--- a/arch/alpha/boot/bootp.c
+++ b/arch/alpha/boot/bootp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/boot/bootp.c
  *
diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c
index d6ad191698da..99b8d7dc344b 100644
--- a/arch/alpha/boot/bootpz.c
+++ b/arch/alpha/boot/bootpz.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/boot/bootpz.c
  *
diff --git a/arch/alpha/boot/head.S b/arch/alpha/boot/head.S
index 8efb26686d47..06a7c95fe9ad 100644
--- a/arch/alpha/boot/head.S
+++ b/arch/alpha/boot/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/boot/head.S
  *
diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c
index dd6eb4a33582..8f5ed8610970 100644
--- a/arch/alpha/boot/main.c
+++ b/arch/alpha/boot/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/boot/main.c
  *
diff --git a/arch/alpha/boot/misc.c b/arch/alpha/boot/misc.c
index 1b568ed74f95..d65192202703 100644
--- a/arch/alpha/boot/misc.c
+++ b/arch/alpha/boot/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c
  * 
diff --git a/arch/alpha/boot/tools/mkbb.c b/arch/alpha/boot/tools/mkbb.c
index 1185778e6a1e..fc47f33f8a44 100644
--- a/arch/alpha/boot/tools/mkbb.c
+++ b/arch/alpha/boot/tools/mkbb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* This utility makes a bootblock suitable for the SRM console/miniloader */
 
 /* Usage:
diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c
index dee82695f48b..825a16f5f622 100644
--- a/arch/alpha/boot/tools/objstrip.c
+++ b/arch/alpha/boot/tools/objstrip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/boot/tools/objstrip.c
  *
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index 5b974ab8425c..47f3fba3e41f 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 
 generic-y += clkdev.h
diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h
index 9abbd2455306..d2346b7caff1 100644
--- a/arch/alpha/include/asm/a.out.h
+++ b/arch/alpha/include/asm/a.out.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_A_OUT_H__
 #define __ALPHA_A_OUT_H__
 
diff --git a/arch/alpha/include/asm/agp.h b/arch/alpha/include/asm/agp.h
index a94d48b8677f..7173eada1567 100644
--- a/arch/alpha/include/asm/agp.h
+++ b/arch/alpha/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AGP_H
 #define AGP_H 1
 
diff --git a/arch/alpha/include/asm/agp_backend.h b/arch/alpha/include/asm/agp_backend.h
index 55dd44a2cea7..2718802407d6 100644
--- a/arch/alpha/include/asm/agp_backend.h
+++ b/arch/alpha/include/asm/agp_backend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_AGP_BACKEND_H
 #define _ALPHA_AGP_BACKEND_H 1
 
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index 498933a7df97..85867d3cea64 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_ATOMIC_H
 #define _ALPHA_ATOMIC_H
 
diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h
index 77516c87255d..92ec486a4f9e 100644
--- a/arch/alpha/include/asm/barrier.h
+++ b/arch/alpha/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BARRIER_H
 #define __BARRIER_H
 
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 4bdfbd444e63..ca43f4d0b937 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_BITOPS_H
 #define _ALPHA_BITOPS_H
 
diff --git a/arch/alpha/include/asm/bug.h b/arch/alpha/include/asm/bug.h
index f091682e3cc8..b88ebdfedf7c 100644
--- a/arch/alpha/include/asm/bug.h
+++ b/arch/alpha/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_BUG_H
 #define _ALPHA_BUG_H
 
diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
index ad368a93a46a..6ce508c68907 100644
--- a/arch/alpha/include/asm/cache.h
+++ b/arch/alpha/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-alpha/cache.h
  */
diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
index a9cb6aa447aa..89128489cb59 100644
--- a/arch/alpha/include/asm/cacheflush.h
+++ b/arch/alpha/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_CACHEFLUSH_H
 #define _ALPHA_CACHEFLUSH_H
 
diff --git a/arch/alpha/include/asm/checksum.h b/arch/alpha/include/asm/checksum.h
index f2bbdd2ace51..473e6ccb65a3 100644
--- a/arch/alpha/include/asm/checksum.h
+++ b/arch/alpha/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_CHECKSUM_H
 #define _ALPHA_CHECKSUM_H
 
diff --git a/arch/alpha/include/asm/cmpxchg.h b/arch/alpha/include/asm/cmpxchg.h
index e5117766529e..46ebf14aed4e 100644
--- a/arch/alpha/include/asm/cmpxchg.h
+++ b/arch/alpha/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_CMPXCHG_H
 #define _ALPHA_CMPXCHG_H
 
diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h
index a7720b96bcc9..5159ba259d65 100644
--- a/arch/alpha/include/asm/compiler.h
+++ b/arch/alpha/include/asm/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_COMPILER_H
 #define __ALPHA_COMPILER_H
 
diff --git a/arch/alpha/include/asm/console.h b/arch/alpha/include/asm/console.h
index f2b584fe0994..088b7b9eb15a 100644
--- a/arch/alpha/include/asm/console.h
+++ b/arch/alpha/include/asm/console.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AXP_CONSOLE_H
 #define __AXP_CONSOLE_H
 
diff --git a/arch/alpha/include/asm/core_apecs.h b/arch/alpha/include/asm/core_apecs.h
index 6785ff7e02bc..0a07055bc0fe 100644
--- a/arch/alpha/include/asm/core_apecs.h
+++ b/arch/alpha/include/asm/core_apecs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_APECS__H__
 #define __ALPHA_APECS__H__
 
diff --git a/arch/alpha/include/asm/core_cia.h b/arch/alpha/include/asm/core_cia.h
index 9e0516c0ca27..c706a7f2b061 100644
--- a/arch/alpha/include/asm/core_cia.h
+++ b/arch/alpha/include/asm/core_cia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_CIA__H__
 #define __ALPHA_CIA__H__
 
diff --git a/arch/alpha/include/asm/core_irongate.h b/arch/alpha/include/asm/core_irongate.h
index 24b2db541501..1c8906bf76c6 100644
--- a/arch/alpha/include/asm/core_irongate.h
+++ b/arch/alpha/include/asm/core_irongate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_IRONGATE__H__
 #define __ALPHA_IRONGATE__H__
 
diff --git a/arch/alpha/include/asm/core_lca.h b/arch/alpha/include/asm/core_lca.h
index 8ee6c516279c..84d5e5b84f4f 100644
--- a/arch/alpha/include/asm/core_lca.h
+++ b/arch/alpha/include/asm/core_lca.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_LCA__H__
 #define __ALPHA_LCA__H__
 
diff --git a/arch/alpha/include/asm/core_marvel.h b/arch/alpha/include/asm/core_marvel.h
index 8dcf9dbda618..cc6fd92d5fa9 100644
--- a/arch/alpha/include/asm/core_marvel.h
+++ b/arch/alpha/include/asm/core_marvel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Marvel systems use the IO7 I/O chip provides PCI/PCIX/AGP access
  *
diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h
index ad44bef29fba..b30dc128210d 100644
--- a/arch/alpha/include/asm/core_mcpcia.h
+++ b/arch/alpha/include/asm/core_mcpcia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_MCPCIA__H__
 #define __ALPHA_MCPCIA__H__
 
diff --git a/arch/alpha/include/asm/core_polaris.h b/arch/alpha/include/asm/core_polaris.h
index 2f966b64659d..1c56dea647b5 100644
--- a/arch/alpha/include/asm/core_polaris.h
+++ b/arch/alpha/include/asm/core_polaris.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_POLARIS__H__
 #define __ALPHA_POLARIS__H__
 
diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h
index ade9d92e68b4..e0b33d09e93a 100644
--- a/arch/alpha/include/asm/core_t2.h
+++ b/arch/alpha/include/asm/core_t2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_T2__H__
 #define __ALPHA_T2__H__
 
diff --git a/arch/alpha/include/asm/core_titan.h b/arch/alpha/include/asm/core_titan.h
index 8cf79d1219e1..dcc02682c1e1 100644
--- a/arch/alpha/include/asm/core_titan.h
+++ b/arch/alpha/include/asm/core_titan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_TITAN__H__
 #define __ALPHA_TITAN__H__
 
diff --git a/arch/alpha/include/asm/core_tsunami.h b/arch/alpha/include/asm/core_tsunami.h
index 8e39ecf09419..3391e95754f2 100644
--- a/arch/alpha/include/asm/core_tsunami.h
+++ b/arch/alpha/include/asm/core_tsunami.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_TSUNAMI__H__
 #define __ALPHA_TSUNAMI__H__
 
diff --git a/arch/alpha/include/asm/core_wildfire.h b/arch/alpha/include/asm/core_wildfire.h
index cd562f544ba2..5d1b37f412cd 100644
--- a/arch/alpha/include/asm/core_wildfire.h
+++ b/arch/alpha/include/asm/core_wildfire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_WILDFIRE__H__
 #define __ALPHA_WILDFIRE__H__
 
diff --git a/arch/alpha/include/asm/delay.h b/arch/alpha/include/asm/delay.h
index 2aa3f410f7e6..868aa61aba2f 100644
--- a/arch/alpha/include/asm/delay.h
+++ b/arch/alpha/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_DELAY_H
 #define __ALPHA_DELAY_H
 
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index 5d53666935e6..e542cb272b67 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_DMA_MAPPING_H
 #define _ALPHA_DMA_MAPPING_H
 
diff --git a/arch/alpha/include/asm/dma.h b/arch/alpha/include/asm/dma.h
index 87cfdbdf08fc..28610ea7786d 100644
--- a/arch/alpha/include/asm/dma.h
+++ b/arch/alpha/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-alpha/dma.h
  *
diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h
index 968d9991f5ee..8049997fa372 100644
--- a/arch/alpha/include/asm/elf.h
+++ b/arch/alpha/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ALPHA_ELF_H
 #define __ASM_ALPHA_ELF_H
 
diff --git a/arch/alpha/include/asm/err_common.h b/arch/alpha/include/asm/err_common.h
index c25095942107..610e01fe73ab 100644
--- a/arch/alpha/include/asm/err_common.h
+++ b/arch/alpha/include/asm/err_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	linux/include/asm-alpha/err_common.h
  *
diff --git a/arch/alpha/include/asm/err_ev7.h b/arch/alpha/include/asm/err_ev7.h
index 87f99777c2e4..ab17e6333764 100644
--- a/arch/alpha/include/asm/err_ev7.h
+++ b/arch/alpha/include/asm/err_ev7.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_ERR_EV7_H
 #define __ALPHA_ERR_EV7_H 1
 
diff --git a/arch/alpha/include/asm/extable.h b/arch/alpha/include/asm/extable.h
index 048e209e524c..e42592390ee0 100644
--- a/arch/alpha/include/asm/extable.h
+++ b/arch/alpha/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EXTABLE_H
 #define _ASM_EXTABLE_H
 
diff --git a/arch/alpha/include/asm/fpu.h b/arch/alpha/include/asm/fpu.h
index 71c20956b905..b9691405e56b 100644
--- a/arch/alpha/include/asm/fpu.h
+++ b/arch/alpha/include/asm/fpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ALPHA_FPU_H
 #define __ASM_ALPHA_FPU_H
 
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index 05a70edd57b6..d2e4da93e68c 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ALPHA_FUTEX_H
 #define _ASM_ALPHA_FUTEX_H
 
diff --git a/arch/alpha/include/asm/gct.h b/arch/alpha/include/asm/gct.h
index 3504c704927c..2847449fb168 100644
--- a/arch/alpha/include/asm/gct.h
+++ b/arch/alpha/include/asm/gct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_GCT_H
 #define __ALPHA_GCT_H
 
diff --git a/arch/alpha/include/asm/hardirq.h b/arch/alpha/include/asm/hardirq.h
index 242c09ba98c4..5ce5b34e8a1a 100644
--- a/arch/alpha/include/asm/hardirq.h
+++ b/arch/alpha/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_HARDIRQ_H
 #define _ALPHA_HARDIRQ_H
 
diff --git a/arch/alpha/include/asm/hw_irq.h b/arch/alpha/include/asm/hw_irq.h
index 5050ac81cd90..e2d81ac0d934 100644
--- a/arch/alpha/include/asm/hw_irq.h
+++ b/arch/alpha/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_HW_IRQ_H
 #define _ALPHA_HW_IRQ_H
 
diff --git a/arch/alpha/include/asm/hwrpb.h b/arch/alpha/include/asm/hwrpb.h
index 8e8f871af7cf..d8180e527a1e 100644
--- a/arch/alpha/include/asm/hwrpb.h
+++ b/arch/alpha/include/asm/hwrpb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_HWRPB_H
 #define __ALPHA_HWRPB_H
 
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index 4d61d2a50c52..d123ff90f7a8 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_IO_H
 #define __ALPHA_IO_H
 
diff --git a/arch/alpha/include/asm/io_trivial.h b/arch/alpha/include/asm/io_trivial.h
index 1c77f10b4b36..ba3d8f0cfe0c 100644
--- a/arch/alpha/include/asm/io_trivial.h
+++ b/arch/alpha/include/asm/io_trivial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Trivial implementations of basic i/o routines.  Assumes that all
    of the hard work has been done by ioremap and ioportmap, and that
    access to i/o space is linear.  */
diff --git a/arch/alpha/include/asm/irq.h b/arch/alpha/include/asm/irq.h
index 06377400dc09..4d17cacd1462 100644
--- a/arch/alpha/include/asm/irq.h
+++ b/arch/alpha/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_IRQ_H
 #define _ALPHA_IRQ_H
 
diff --git a/arch/alpha/include/asm/irqflags.h b/arch/alpha/include/asm/irqflags.h
index ffb1726484af..9f25d4e0d37e 100644
--- a/arch/alpha/include/asm/irqflags.h
+++ b/arch/alpha/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_IRQFLAGS_H
 #define __ALPHA_IRQFLAGS_H
 
diff --git a/arch/alpha/include/asm/jensen.h b/arch/alpha/include/asm/jensen.h
index 964b06ead43b..436dc905b6ad 100644
--- a/arch/alpha/include/asm/jensen.h
+++ b/arch/alpha/include/asm/jensen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_JENSEN_H
 #define __ALPHA_JENSEN_H
 
diff --git a/arch/alpha/include/asm/kmap_types.h b/arch/alpha/include/asm/kmap_types.h
index a8d4ec8ea4b6..651714b45729 100644
--- a/arch/alpha/include/asm/kmap_types.h
+++ b/arch/alpha/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/alpha/include/asm/linkage.h b/arch/alpha/include/asm/linkage.h
index 7cfd06e8c935..aa8661fa60dc 100644
--- a/arch/alpha/include/asm/linkage.h
+++ b/arch/alpha/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/alpha/include/asm/local.h b/arch/alpha/include/asm/local.h
index 9c94b8456043..fab26a1c93d5 100644
--- a/arch/alpha/include/asm/local.h
+++ b/arch/alpha/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_LOCAL_H
 #define _ALPHA_LOCAL_H
 
diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h
index 75cb3641ed2f..a6b73c6d10ee 100644
--- a/arch/alpha/include/asm/machvec.h
+++ b/arch/alpha/include/asm/machvec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_MACHVEC_H
 #define __ALPHA_MACHVEC_H 1
 
diff --git a/arch/alpha/include/asm/mc146818rtc.h b/arch/alpha/include/asm/mc146818rtc.h
index 097703f1c8cb..2154fd4f7857 100644
--- a/arch/alpha/include/asm/mc146818rtc.h
+++ b/arch/alpha/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/alpha/include/asm/mce.h b/arch/alpha/include/asm/mce.h
index 660285b9aca8..200e04e98a2f 100644
--- a/arch/alpha/include/asm/mce.h
+++ b/arch/alpha/include/asm/mce.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_MCE_H
 #define __ALPHA_MCE_H
 
diff --git a/arch/alpha/include/asm/mmu.h b/arch/alpha/include/asm/mmu.h
index 3dc127779329..dadfc1b6e3e7 100644
--- a/arch/alpha/include/asm/mmu.h
+++ b/arch/alpha/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_MMU_H
 #define __ALPHA_MMU_H
 
diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h
index 45c020a0fe76..6d7d9bc1b4b8 100644
--- a/arch/alpha/include/asm/mmu_context.h
+++ b/arch/alpha/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_MMU_CONTEXT_H
 #define __ALPHA_MMU_CONTEXT_H
 
diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h
index 14ce27bccd24..889b5d3ad825 100644
--- a/arch/alpha/include/asm/mmzone.h
+++ b/arch/alpha/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
  * Adapted for the alpha wildfire architecture Jan 2001.
diff --git a/arch/alpha/include/asm/module.h b/arch/alpha/include/asm/module.h
index 9cd13b55155f..1e96e42f5d54 100644
--- a/arch/alpha/include/asm/module.h
+++ b/arch/alpha/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_MODULE_H
 #define _ALPHA_MODULE_H
 
diff --git a/arch/alpha/include/asm/page.h b/arch/alpha/include/asm/page.h
index 07af062544fb..f3fb2848470a 100644
--- a/arch/alpha/include/asm/page.h
+++ b/arch/alpha/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_PAGE_H
 #define _ALPHA_PAGE_H
 
diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h
index 5422a47646fc..db2b3b18b34c 100644
--- a/arch/alpha/include/asm/pal.h
+++ b/arch/alpha/include/asm/pal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_PAL_H
 #define __ALPHA_PAL_H
 
diff --git a/arch/alpha/include/asm/param.h b/arch/alpha/include/asm/param.h
index a5b68b268bcf..cfe947ce9461 100644
--- a/arch/alpha/include/asm/param.h
+++ b/arch/alpha/include/asm/param.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ALPHA_PARAM_H
 #define _ASM_ALPHA_PARAM_H
 
diff --git a/arch/alpha/include/asm/parport.h b/arch/alpha/include/asm/parport.h
index 6abd0af11f13..0519a51e61f8 100644
--- a/arch/alpha/include/asm/parport.h
+++ b/arch/alpha/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * parport.h: platform-specific PC-style parport initialisation
  *
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index a06c24b3a2e1..fc988c16e894 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_PCI_H
 #define __ALPHA_PCI_H
 
diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h
index 2c12378e3aa9..6923249f2d49 100644
--- a/arch/alpha/include/asm/percpu.h
+++ b/arch/alpha/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_PERCPU_H
 #define __ALPHA_PERCPU_H
 
diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
index c2ebb6f36c9d..ab3e3a8638fb 100644
--- a/arch/alpha/include/asm/pgalloc.h
+++ b/arch/alpha/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_PGALLOC_H
 #define _ALPHA_PGALLOC_H
 
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index a9a119592372..89c2032f9960 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_PGTABLE_H
 #define _ALPHA_PGTABLE_H
 
diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h
index 2fec2dee3020..bfe784f2d4af 100644
--- a/arch/alpha/include/asm/processor.h
+++ b/arch/alpha/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-alpha/processor.h
  *
diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h
index 9047c2fe8f23..df5f317ab3fc 100644
--- a/arch/alpha/include/asm/ptrace.h
+++ b/arch/alpha/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMAXP_PTRACE_H
 #define _ASMAXP_PTRACE_H
 
diff --git a/arch/alpha/include/asm/rwsem.h b/arch/alpha/include/asm/rwsem.h
index 77873d0ad293..3925f06afd6b 100644
--- a/arch/alpha/include/asm/rwsem.h
+++ b/arch/alpha/include/asm/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_RWSEM_H
 #define _ALPHA_RWSEM_H
 
diff --git a/arch/alpha/include/asm/serial.h b/arch/alpha/include/asm/serial.h
index e31557fc06cc..91115447319c 100644
--- a/arch/alpha/include/asm/serial.h
+++ b/arch/alpha/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-alpha/serial.h
  */
diff --git a/arch/alpha/include/asm/shmparam.h b/arch/alpha/include/asm/shmparam.h
index cc901d58aebb..0c04fde1aeba 100644
--- a/arch/alpha/include/asm/shmparam.h
+++ b/arch/alpha/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMAXP_SHMPARAM_H
 #define _ASMAXP_SHMPARAM_H
 
diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h
index 963f0494dca7..a40f02011667 100644
--- a/arch/alpha/include/asm/signal.h
+++ b/arch/alpha/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMAXP_SIGNAL_H
 #define _ASMAXP_SIGNAL_H
 
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index c46e714aa3e0..2264ae72673b 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h
index 8d806d80ed24..76a32817e7be 100644
--- a/arch/alpha/include/asm/socket.h
+++ b/arch/alpha/include/asm/socket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SOCKET_H
 #define _ASM_SOCKET_H
 
diff --git a/arch/alpha/include/asm/special_insns.h b/arch/alpha/include/asm/special_insns.h
index 88d3452b21f0..ca2c5c30b22e 100644
--- a/arch/alpha/include/asm/special_insns.h
+++ b/arch/alpha/include/asm/special_insns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_SPECIAL_INSNS_H
 #define __ALPHA_SPECIAL_INSNS_H
 
diff --git a/arch/alpha/include/asm/spinlock.h b/arch/alpha/include/asm/spinlock.h
index 718ac0b64adf..aa4304afbea6 100644
--- a/arch/alpha/include/asm/spinlock.h
+++ b/arch/alpha/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_SPINLOCK_H
 #define _ALPHA_SPINLOCK_H
 
diff --git a/arch/alpha/include/asm/spinlock_types.h b/arch/alpha/include/asm/spinlock_types.h
index 54c2afce0a1d..1d5716bc060b 100644
--- a/arch/alpha/include/asm/spinlock_types.h
+++ b/arch/alpha/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_SPINLOCK_TYPES_H
 #define _ALPHA_SPINLOCK_TYPES_H
 
diff --git a/arch/alpha/include/asm/string.h b/arch/alpha/include/asm/string.h
index 9eb9933d845f..f043f91ff988 100644
--- a/arch/alpha/include/asm/string.h
+++ b/arch/alpha/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_STRING_H__
 #define __ALPHA_STRING_H__
 
diff --git a/arch/alpha/include/asm/switch_to.h b/arch/alpha/include/asm/switch_to.h
index 44c0d4f2c0b2..762b7f975310 100644
--- a/arch/alpha/include/asm/switch_to.h
+++ b/arch/alpha/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_SWITCH_TO_H
 #define __ALPHA_SWITCH_TO_H
 
diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h
index 88d28eb2a566..d73a6fcb519c 100644
--- a/arch/alpha/include/asm/syscall.h
+++ b/arch/alpha/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ALPHA_SYSCALL_H
 #define _ASM_ALPHA_SYSCALL_H
 
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
index 7fde0f88da88..6a8c53dec57e 100644
--- a/arch/alpha/include/asm/termios.h
+++ b/arch/alpha/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_TERMIOS_H
 #define _ALPHA_TERMIOS_H
 
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index e9e90bfa2b50..8c20c5e35432 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_THREAD_INFO_H
 #define _ALPHA_THREAD_INFO_H
 
diff --git a/arch/alpha/include/asm/timex.h b/arch/alpha/include/asm/timex.h
index afa0c45e3e98..b565cc6f408e 100644
--- a/arch/alpha/include/asm/timex.h
+++ b/arch/alpha/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-alpha/timex.h
  *
diff --git a/arch/alpha/include/asm/tlb.h b/arch/alpha/include/asm/tlb.h
index 42866759f3fa..8f5042b61875 100644
--- a/arch/alpha/include/asm/tlb.h
+++ b/arch/alpha/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_TLB_H
 #define _ALPHA_TLB_H
 
diff --git a/arch/alpha/include/asm/tlbflush.h b/arch/alpha/include/asm/tlbflush.h
index e89e0c2e15b1..f8b492408f51 100644
--- a/arch/alpha/include/asm/tlbflush.h
+++ b/arch/alpha/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_TLBFLUSH_H
 #define _ALPHA_TLBFLUSH_H
 
diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h
index 9251e13e144f..e6e13a85796a 100644
--- a/arch/alpha/include/asm/topology.h
+++ b/arch/alpha/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ALPHA_TOPOLOGY_H
 #define _ASM_ALPHA_TOPOLOGY_H
 
diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h
index 0bc66e1d3a7e..b60b60276484 100644
--- a/arch/alpha/include/asm/types.h
+++ b/arch/alpha/include/asm/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_TYPES_H
 #define _ALPHA_TYPES_H
 
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index 133a4884ed44..87d8c4f0307d 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ALPHA_UACCESS_H
 #define __ALPHA_UACCESS_H
 
diff --git a/arch/alpha/include/asm/ucontext.h b/arch/alpha/include/asm/ucontext.h
index 47578ab42152..af1f3465b8d7 100644
--- a/arch/alpha/include/asm/ucontext.h
+++ b/arch/alpha/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMAXP_UCONTEXT_H
 #define _ASMAXP_UCONTEXT_H
 
diff --git a/arch/alpha/include/asm/unaligned.h b/arch/alpha/include/asm/unaligned.h
index 3787c60aed3f..863c807b66f8 100644
--- a/arch/alpha/include/asm/unaligned.h
+++ b/arch/alpha/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ALPHA_UNALIGNED_H
 #define _ASM_ALPHA_UNALIGNED_H
 
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index db7fc0f511e2..d6e29a1de4cc 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_UNISTD_H
 #define _ALPHA_UNISTD_H
 
diff --git a/arch/alpha/include/asm/user.h b/arch/alpha/include/asm/user.h
index a4eb6a4ca8d1..3df37492c7b7 100644
--- a/arch/alpha/include/asm/user.h
+++ b/arch/alpha/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_USER_H
 #define _ALPHA_USER_H
 
diff --git a/arch/alpha/include/asm/vga.h b/arch/alpha/include/asm/vga.h
index 3c1c2b6128e7..4c347a8454c7 100644
--- a/arch/alpha/include/asm/vga.h
+++ b/arch/alpha/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/alpha/include/asm/word-at-a-time.h b/arch/alpha/include/asm/word-at-a-time.h
index 902e6ab00a06..4035265f1ad9 100644
--- a/arch/alpha/include/asm/word-at-a-time.h
+++ b/arch/alpha/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
diff --git a/arch/alpha/include/asm/wrperfmon.h b/arch/alpha/include/asm/wrperfmon.h
index 319bf6788d87..c97b82a1f7db 100644
--- a/arch/alpha/include/asm/wrperfmon.h
+++ b/arch/alpha/include/asm/wrperfmon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for use with the Alpha wrperfmon PAL call.
  */
diff --git a/arch/alpha/include/asm/xchg.h b/arch/alpha/include/asm/xchg.h
index 0ca9724597c1..68dfb3cb7145 100644
--- a/arch/alpha/include/asm/xchg.h
+++ b/arch/alpha/include/asm/xchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ALPHA_CMPXCHG_H
 #error Do not include xchg.h directly!
 #else
diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile
index 8ce13d7a2ad3..bf7b41fa7b01 100644
--- a/arch/alpha/kernel/Makefile
+++ b/arch/alpha/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index 6ff8886e7e22..2e125e5c1508 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed to extract
diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c
index 9525660c93c0..a8d0d6e06526 100644
--- a/arch/alpha/kernel/binfmt_loader.c
+++ b/arch/alpha/kernel/binfmt_loader.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/file.h>
diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c
index 6a61deed4a85..8e9a41966881 100644
--- a/arch/alpha/kernel/console.c
+++ b/arch/alpha/kernel/console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/console.c
  *
diff --git a/arch/alpha/kernel/core_apecs.c b/arch/alpha/kernel/core_apecs.c
index 708c831efa76..1bf3eef34c22 100644
--- a/arch/alpha/kernel/core_apecs.c
+++ b/arch/alpha/kernel/core_apecs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_apecs.c
  *
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
index c44339e176c1..4b38386f6e62 100644
--- a/arch/alpha/kernel/core_cia.c
+++ b/arch/alpha/kernel/core_cia.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_cia.c
  *
diff --git a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c
index 83d0a359a1b2..aec757250e07 100644
--- a/arch/alpha/kernel/core_irongate.c
+++ b/arch/alpha/kernel/core_irongate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_irongate.c
  *
diff --git a/arch/alpha/kernel/core_lca.c b/arch/alpha/kernel/core_lca.c
index cb2801cfd3df..81c0c43635b0 100644
--- a/arch/alpha/kernel/core_lca.c
+++ b/arch/alpha/kernel/core_lca.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_lca.c
  *
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index b10c316475dd..bdebb8c206f1 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_marvel.c
  *
diff --git a/arch/alpha/kernel/core_mcpcia.c b/arch/alpha/kernel/core_mcpcia.c
index da7bcc372f16..b1549db54260 100644
--- a/arch/alpha/kernel/core_mcpcia.c
+++ b/arch/alpha/kernel/core_mcpcia.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_mcpcia.c
  *
diff --git a/arch/alpha/kernel/core_polaris.c b/arch/alpha/kernel/core_polaris.c
index c5a271d37abd..75d622d96ff2 100644
--- a/arch/alpha/kernel/core_polaris.c
+++ b/arch/alpha/kernel/core_polaris.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *      linux/arch/alpha/kernel/core_polaris.c
  *
diff --git a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c
index 3ada4f7b085d..2c00b61ca379 100644
--- a/arch/alpha/kernel/core_t2.c
+++ b/arch/alpha/kernel/core_t2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_t2.c
  *
diff --git a/arch/alpha/kernel/core_titan.c b/arch/alpha/kernel/core_titan.c
index b532d925443d..132b06bdf903 100644
--- a/arch/alpha/kernel/core_titan.c
+++ b/arch/alpha/kernel/core_titan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_titan.c
  *
diff --git a/arch/alpha/kernel/core_tsunami.c b/arch/alpha/kernel/core_tsunami.c
index 61893d7bdda5..e7c956ea46b6 100644
--- a/arch/alpha/kernel/core_tsunami.c
+++ b/arch/alpha/kernel/core_tsunami.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/core_tsunami.c
  *
diff --git a/arch/alpha/kernel/core_wildfire.c b/arch/alpha/kernel/core_wildfire.c
index 7e072443d7fd..cad36fc6ed7d 100644
--- a/arch/alpha/kernel/core_wildfire.c
+++ b/arch/alpha/kernel/core_wildfire.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/core_wildfire.c
  *
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index 98703d99b565..d92abb01c249 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/kernel/entry.S
  *
diff --git a/arch/alpha/kernel/err_common.c b/arch/alpha/kernel/err_common.c
index 13d53b1c9657..94e1b3dcf6d4 100644
--- a/arch/alpha/kernel/err_common.c
+++ b/arch/alpha/kernel/err_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/err_common.c
  *
diff --git a/arch/alpha/kernel/err_ev6.c b/arch/alpha/kernel/err_ev6.c
index 51267ac5729b..8144f2045b5b 100644
--- a/arch/alpha/kernel/err_ev6.c
+++ b/arch/alpha/kernel/err_ev6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/err_ev6.c
  *
diff --git a/arch/alpha/kernel/err_ev7.c b/arch/alpha/kernel/err_ev7.c
index d738a67112d4..565de1acf1f5 100644
--- a/arch/alpha/kernel/err_ev7.c
+++ b/arch/alpha/kernel/err_ev7.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/err_ev7.c
  *
diff --git a/arch/alpha/kernel/err_impl.h b/arch/alpha/kernel/err_impl.h
index ae529c416037..737b958a586d 100644
--- a/arch/alpha/kernel/err_impl.h
+++ b/arch/alpha/kernel/err_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	linux/arch/alpha/kernel/err_impl.h
  *
diff --git a/arch/alpha/kernel/err_marvel.c b/arch/alpha/kernel/err_marvel.c
index ae54ad91e18f..c0c0ccefc467 100644
--- a/arch/alpha/kernel/err_marvel.c
+++ b/arch/alpha/kernel/err_marvel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/err_marvel.c
  *
diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index 14b26c466c89..0ffb2feea42a 100644
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/err_titan.c
  *
diff --git a/arch/alpha/kernel/es1888.c b/arch/alpha/kernel/es1888.c
index d584c85fea7a..297476bb08fb 100644
--- a/arch/alpha/kernel/es1888.c
+++ b/arch/alpha/kernel/es1888.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/es1888.c
  *
diff --git a/arch/alpha/kernel/gct.c b/arch/alpha/kernel/gct.c
index c0c7155448e0..8ac0088dca54 100644
--- a/arch/alpha/kernel/gct.c
+++ b/arch/alpha/kernel/gct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/gct.c
  */
diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S
index c352499ab9f8..bb48a8ae4e79 100644
--- a/arch/alpha/kernel/head.S
+++ b/arch/alpha/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/kernel/head.S
  *
diff --git a/arch/alpha/kernel/io.c b/arch/alpha/kernel/io.c
index 19c5875ab398..3e3d49c254c5 100644
--- a/arch/alpha/kernel/io.c
+++ b/arch/alpha/kernel/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alpha IO and memory functions.
  */
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 2f26ae74b61a..f6d2946edbd2 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/irq.c
  *
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 1c8625cb0e25..da3e10d5f7fe 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alpha specific irq code.
  */
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c
index e1861c77dabc..5d54c076a8ae 100644
--- a/arch/alpha/kernel/irq_i8259.c
+++ b/arch/alpha/kernel/irq_i8259.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *      linux/arch/alpha/kernel/irq_i8259.c
  *
diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h
index d507a234b05d..16f2b0276f3a 100644
--- a/arch/alpha/kernel/irq_impl.h
+++ b/arch/alpha/kernel/irq_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	linux/arch/alpha/kernel/irq_impl.h
  *
diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c
index 13c97a5b31e8..a968b10e687d 100644
--- a/arch/alpha/kernel/irq_pyxis.c
+++ b/arch/alpha/kernel/irq_pyxis.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/irq_pyxis.c
  *
diff --git a/arch/alpha/kernel/irq_srm.c b/arch/alpha/kernel/irq_srm.c
index a79fa30e7552..bfacd6a06194 100644
--- a/arch/alpha/kernel/irq_srm.c
+++ b/arch/alpha/kernel/irq_srm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Handle interrupts from the SRM, assuming no additional weirdness.
  */
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index b7d69604b6d2..38f045ec5cd2 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	linux/arch/alpha/kernel/machvec_impl.h
  *
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index df0d0a5e9353..ce3a675c0c4b 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/osf_sys.c
  *
diff --git a/arch/alpha/kernel/pc873xx.c b/arch/alpha/kernel/pc873xx.c
index 27dcbff85613..63aee5d86e02 100644
--- a/arch/alpha/kernel/pc873xx.c
+++ b/arch/alpha/kernel/pc873xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ioport.h>
 #include <asm/io.h>
 
diff --git a/arch/alpha/kernel/pc873xx.h b/arch/alpha/kernel/pc873xx.h
index 25e16956fe3e..043533027573 100644
--- a/arch/alpha/kernel/pc873xx.h
+++ b/arch/alpha/kernel/pc873xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _PC873xx_H_
 #define _PC873xx_H_
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index 676bab6e3123..b995987b1557 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/pci-noop.c
  *
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index cbecd527c696..f94c732fedeb 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/kernel/pci-sysfs.c
  *
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 564114eb85e1..08235bb1f035 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/pci.c
  *
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index 2b0ac429f5eb..26231601630e 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	linux/arch/alpha/kernel/pci_impl.h
  *
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 7fd2329038a3..83b34b9188ea 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/pci_iommu.c
  */
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 5c218aa3f3df..a1f6bc7f1e4c 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Hardware performance events for the Alpha.
  *
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 0b9635040721..74bfb1f2d68e 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/process.c
  *
diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h
index da2d6ec9c370..f1fce942fddc 100644
--- a/arch/alpha/kernel/proto.h
+++ b/arch/alpha/kernel/proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/interrupt.h>
 #include <linux/io.h>
 
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index 285a82d491ef..cb8d599e72d6 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ptrace.c */
 /* By Ross Biro 1/23/92 */
 /* edited by Linus Torvalds */
diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
index ceed68c7500b..b3da0dcda47d 100644
--- a/arch/alpha/kernel/rtc.c
+++ b/arch/alpha/kernel/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/rtc.c
  *
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 249229ab4942..5576f7646fb6 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/setup.c
  *
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 8129dd92cadc..9ebb3bcbc626 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/signal.c
  *
diff --git a/arch/alpha/kernel/smc37c93x.c b/arch/alpha/kernel/smc37c93x.c
index 6886b834f487..733f08966fd2 100644
--- a/arch/alpha/kernel/smc37c93x.c
+++ b/arch/alpha/kernel/smc37c93x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SMC 37C93X initialization code
  */
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index f6726a746427..d0dccae53ba9 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/smp.c
  *
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index e9c45b65a905..5da0aec8ce90 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/srmcons.c
  *
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c
index 118dc6af1805..dabb0d205c40 100644
--- a/arch/alpha/kernel/sys_alcor.c
+++ b/arch/alpha/kernel/sys_alcor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_alcor.c
  *
diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c
index 4c50f8f40cbb..b8687dadd038 100644
--- a/arch/alpha/kernel/sys_cabriolet.c
+++ b/arch/alpha/kernel/sys_cabriolet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_cabriolet.c
  *
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 6c35159bc00e..3d816947de13 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_dp264.c
  *
diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c
index ad40a425e841..59fd789dfc80 100644
--- a/arch/alpha/kernel/sys_eb64p.c
+++ b/arch/alpha/kernel/sys_eb64p.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_eb64p.c
  *
diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c
index 15f42083bdb3..3c8c36d95448 100644
--- a/arch/alpha/kernel/sys_eiger.c
+++ b/arch/alpha/kernel/sys_eiger.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_eiger.c
  *
diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c
index 608f2a7fa0a3..d0d44f543d77 100644
--- a/arch/alpha/kernel/sys_jensen.c
+++ b/arch/alpha/kernel/sys_jensen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_jensen.c
  *
diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c
index 3e533920371f..8d34cf6e002a 100644
--- a/arch/alpha/kernel/sys_marvel.c
+++ b/arch/alpha/kernel/sys_marvel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/alpha/kernel/sys_marvel.c
  *
diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c
index d5b9776a608d..d20337768606 100644
--- a/arch/alpha/kernel/sys_miata.c
+++ b/arch/alpha/kernel/sys_miata.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_miata.c
  *
diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c
index 5e82dc1ad6f2..68b7d0c63b8d 100644
--- a/arch/alpha/kernel/sys_mikasa.c
+++ b/arch/alpha/kernel/sys_mikasa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_mikasa.c
  *
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 8ae04a121186..cefa225ab478 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_nautilus.c
  *
diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c
index 063e594fd969..1f2e8b1faa9a 100644
--- a/arch/alpha/kernel/sys_noritake.c
+++ b/arch/alpha/kernel/sys_noritake.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_noritake.c
  *
diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c
index dfd510ae5d8c..b21e572c1299 100644
--- a/arch/alpha/kernel/sys_rawhide.c
+++ b/arch/alpha/kernel/sys_rawhide.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_rawhide.c
  *
diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c
index a3f485257170..197660ba686f 100644
--- a/arch/alpha/kernel/sys_ruffian.c
+++ b/arch/alpha/kernel/sys_ruffian.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_ruffian.c
  *
diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c
index 08ee737d4fba..b09146e4a08d 100644
--- a/arch/alpha/kernel/sys_rx164.c
+++ b/arch/alpha/kernel/sys_rx164.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_rx164.c
  *
diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c
index 8a0aa6d67b53..76eb2afca575 100644
--- a/arch/alpha/kernel/sys_sable.c
+++ b/arch/alpha/kernel/sys_sable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_sable.c
  *
diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c
index febd24eba7a6..b44b1cb923f3 100644
--- a/arch/alpha/kernel/sys_sio.c
+++ b/arch/alpha/kernel/sys_sio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_sio.c
  *
diff --git a/arch/alpha/kernel/sys_sx164.c b/arch/alpha/kernel/sys_sx164.c
index d063b360efed..6c92f25172ff 100644
--- a/arch/alpha/kernel/sys_sx164.c
+++ b/arch/alpha/kernel/sys_sx164.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_sx164.c
  *
diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c
index dd0f1eae3c68..b0913e61416c 100644
--- a/arch/alpha/kernel/sys_takara.c
+++ b/arch/alpha/kernel/sys_takara.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_takara.c
  *
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index a53cf03f49d5..c8390d8de140 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/alpha/kernel/sys_titan.c
  *
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index ee1874887776..8290274dec11 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/sys_wildfire.c
  *
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 5b4514abb234..1374e591511f 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/kernel/systbls.S
  *
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 3bfe058d75d9..0069360697ee 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/kernel/time.c
  *
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 49d3b1e63ce5..4bd99a7b1c41 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/kernel/traps.c
  *
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index cebecfb76fbf..c4b5ceceab52 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/thread_info.h>
 #include <asm/cache.h>
diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile
index a80815960364..04f9729de57c 100644
--- a/arch/alpha/lib/Makefile
+++ b/arch/alpha/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for alpha-specific library files..
 #
diff --git a/arch/alpha/lib/callback_srm.S b/arch/alpha/lib/callback_srm.S
index 6093addc931a..b13c4a231f1b 100644
--- a/arch/alpha/lib/callback_srm.S
+++ b/arch/alpha/lib/callback_srm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	arch/alpha/lib/callback_srm.S
  */
diff --git a/arch/alpha/lib/checksum.c b/arch/alpha/lib/checksum.c
index b57f8007db14..3f35c3ed6948 100644
--- a/arch/alpha/lib/checksum.c
+++ b/arch/alpha/lib/checksum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/lib/checksum.c
  *
diff --git a/arch/alpha/lib/clear_page.S b/arch/alpha/lib/clear_page.S
index 263d7393c0e7..ce02de7b0493 100644
--- a/arch/alpha/lib/clear_page.S
+++ b/arch/alpha/lib/clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/clear_page.S
  *
diff --git a/arch/alpha/lib/clear_user.S b/arch/alpha/lib/clear_user.S
index 006f469fef73..db6c6ca45896 100644
--- a/arch/alpha/lib/clear_user.S
+++ b/arch/alpha/lib/clear_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/clear_user.S
  * Contributed by Richard Henderson <rth@tamu.edu>
diff --git a/arch/alpha/lib/copy_page.S b/arch/alpha/lib/copy_page.S
index 2ee0bd0508c5..5439a30c77d0 100644
--- a/arch/alpha/lib/copy_page.S
+++ b/arch/alpha/lib/copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/copy_page.S
  *
diff --git a/arch/alpha/lib/copy_user.S b/arch/alpha/lib/copy_user.S
index c277a1a4383e..32ab0344b185 100644
--- a/arch/alpha/lib/copy_user.S
+++ b/arch/alpha/lib/copy_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/copy_user.S
  *
diff --git a/arch/alpha/lib/csum_ipv6_magic.S b/arch/alpha/lib/csum_ipv6_magic.S
index e74b4544b0cc..c7b213ab01ab 100644
--- a/arch/alpha/lib/csum_ipv6_magic.S
+++ b/arch/alpha/lib/csum_ipv6_magic.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/csum_ipv6_magic.S
  * Contributed by Richard Henderson <rth@tamu.edu>
diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index ab42afba1720..ddb9c2f376fa 100644
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * csum_partial_copy - do IP checksumming and copy
  *
diff --git a/arch/alpha/lib/dbg_current.S b/arch/alpha/lib/dbg_current.S
index e6d071015f9b..be6612131277 100644
--- a/arch/alpha/lib/dbg_current.S
+++ b/arch/alpha/lib/dbg_current.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/dbg_current.S
  * Contributed by Richard Henderson (rth@cygnus.com)
diff --git a/arch/alpha/lib/dbg_stackcheck.S b/arch/alpha/lib/dbg_stackcheck.S
index 78f6b924ad8f..b3b6fc94f7f3 100644
--- a/arch/alpha/lib/dbg_stackcheck.S
+++ b/arch/alpha/lib/dbg_stackcheck.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/dbg_stackcheck.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/dbg_stackkill.S b/arch/alpha/lib/dbg_stackkill.S
index c1e40a1a43d5..6d9197e52a42 100644
--- a/arch/alpha/lib/dbg_stackkill.S
+++ b/arch/alpha/lib/dbg_stackkill.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/dbg_stackkill.S
  * Contributed by Richard Henderson (rth@cygnus.com)
diff --git a/arch/alpha/lib/dec_and_lock.c b/arch/alpha/lib/dec_and_lock.c
index 4221b40167ee..a117707f57fe 100644
--- a/arch/alpha/lib/dec_and_lock.c
+++ b/arch/alpha/lib/dec_and_lock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/lib/dec_and_lock.c
  *
diff --git a/arch/alpha/lib/divide.S b/arch/alpha/lib/divide.S
index 1e33bd127621..2b60eb45e50b 100644
--- a/arch/alpha/lib/divide.S
+++ b/arch/alpha/lib/divide.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/divide.S
  *
diff --git a/arch/alpha/lib/ev6-clear_page.S b/arch/alpha/lib/ev6-clear_page.S
index abe99e69a194..325864c81586 100644
--- a/arch/alpha/lib/ev6-clear_page.S
+++ b/arch/alpha/lib/ev6-clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-clear_page.S
  *
diff --git a/arch/alpha/lib/ev6-clear_user.S b/arch/alpha/lib/ev6-clear_user.S
index e179e4757ef8..7e644f83cdf2 100644
--- a/arch/alpha/lib/ev6-clear_user.S
+++ b/arch/alpha/lib/ev6-clear_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-clear_user.S
  * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev6-copy_page.S b/arch/alpha/lib/ev6-copy_page.S
index 77935061bddb..fd7212c8dcf1 100644
--- a/arch/alpha/lib/ev6-copy_page.S
+++ b/arch/alpha/lib/ev6-copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-copy_page.S
  *
diff --git a/arch/alpha/lib/ev6-copy_user.S b/arch/alpha/lib/ev6-copy_user.S
index 954ca03ebebe..f3e433754397 100644
--- a/arch/alpha/lib/ev6-copy_user.S
+++ b/arch/alpha/lib/ev6-copy_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-copy_user.S
  *
diff --git a/arch/alpha/lib/ev6-csum_ipv6_magic.S b/arch/alpha/lib/ev6-csum_ipv6_magic.S
index de62627ac4fe..9a73f90700a1 100644
--- a/arch/alpha/lib/ev6-csum_ipv6_magic.S
+++ b/arch/alpha/lib/ev6-csum_ipv6_magic.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-csum_ipv6_magic.S
  * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev6-divide.S b/arch/alpha/lib/ev6-divide.S
index d18dc0e96e3d..137ff1a07356 100644
--- a/arch/alpha/lib/ev6-divide.S
+++ b/arch/alpha/lib/ev6-divide.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-divide.S
  *
diff --git a/arch/alpha/lib/ev6-memchr.S b/arch/alpha/lib/ev6-memchr.S
index 419adc53ccb4..56bf9e14eeee 100644
--- a/arch/alpha/lib/ev6-memchr.S
+++ b/arch/alpha/lib/ev6-memchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-memchr.S
  *
diff --git a/arch/alpha/lib/ev6-memcpy.S b/arch/alpha/lib/ev6-memcpy.S
index b19798b2efc0..ffbd056b6eb2 100644
--- a/arch/alpha/lib/ev6-memcpy.S
+++ b/arch/alpha/lib/ev6-memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-memcpy.S
  * 21264 version by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev6-memset.S b/arch/alpha/lib/ev6-memset.S
index fed21c6893e8..316a99aa9efe 100644
--- a/arch/alpha/lib/ev6-memset.S
+++ b/arch/alpha/lib/ev6-memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-memset.S
  *
diff --git a/arch/alpha/lib/ev6-stxcpy.S b/arch/alpha/lib/ev6-stxcpy.S
index 4643ff2ffc8d..65f5f7310d80 100644
--- a/arch/alpha/lib/ev6-stxcpy.S
+++ b/arch/alpha/lib/ev6-stxcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-stxcpy.S
  * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev6-stxncpy.S b/arch/alpha/lib/ev6-stxncpy.S
index 1aa6e97e04b5..76da205282ee 100644
--- a/arch/alpha/lib/ev6-stxncpy.S
+++ b/arch/alpha/lib/ev6-stxncpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev6-stxncpy.S
  * 21264 version contributed by Rick Gorton <rick.gorton@api-networks.com>
diff --git a/arch/alpha/lib/ev67-strcat.S b/arch/alpha/lib/ev67-strcat.S
index b69f60419be1..ec3096a9e8d4 100644
--- a/arch/alpha/lib/ev67-strcat.S
+++ b/arch/alpha/lib/ev67-strcat.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev67-strcat.S
  * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev67-strchr.S b/arch/alpha/lib/ev67-strchr.S
index ea8f2f35db9c..fbf89e0b6dc3 100644
--- a/arch/alpha/lib/ev67-strchr.S
+++ b/arch/alpha/lib/ev67-strchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev67-strchr.S
  * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev67-strlen.S b/arch/alpha/lib/ev67-strlen.S
index 736fd41884a8..b73106ffbbc7 100644
--- a/arch/alpha/lib/ev67-strlen.S
+++ b/arch/alpha/lib/ev67-strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev67-strlen.S
  * 21264 version by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/ev67-strncat.S b/arch/alpha/lib/ev67-strncat.S
index cd35cbade73a..ceb0ca528789 100644
--- a/arch/alpha/lib/ev67-strncat.S
+++ b/arch/alpha/lib/ev67-strncat.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev67-strncat.S
  * 21264 version contributed by Rick Gorton <rick.gorton@api-networks.com>
diff --git a/arch/alpha/lib/ev67-strrchr.S b/arch/alpha/lib/ev67-strrchr.S
index 747455f0328c..7f80e398530f 100644
--- a/arch/alpha/lib/ev67-strrchr.S
+++ b/arch/alpha/lib/ev67-strrchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/ev67-strrchr.S
  * 21264 version by Rick Gorton <rick.gorton@alpha-processor.com>
diff --git a/arch/alpha/lib/fls.c b/arch/alpha/lib/fls.c
index ddd048c0d825..02e156776645 100644
--- a/arch/alpha/lib/fls.c
+++ b/arch/alpha/lib/fls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* 
  * arch/alpha/lib/fls.c
  */
diff --git a/arch/alpha/lib/fpreg.c b/arch/alpha/lib/fpreg.c
index 4aa6dbfa14ee..34fea465645b 100644
--- a/arch/alpha/lib/fpreg.c
+++ b/arch/alpha/lib/fpreg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/alpha/lib/fpreg.c
  *
diff --git a/arch/alpha/lib/memcpy.c b/arch/alpha/lib/memcpy.c
index 57d9291ad172..cbac3dc6d963 100644
--- a/arch/alpha/lib/memcpy.c
+++ b/arch/alpha/lib/memcpy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/lib/memcpy.c
  *
diff --git a/arch/alpha/lib/memmove.S b/arch/alpha/lib/memmove.S
index 6872c85cb5e5..42d1922d0edf 100644
--- a/arch/alpha/lib/memmove.S
+++ b/arch/alpha/lib/memmove.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/memmove.S
  *
diff --git a/arch/alpha/lib/memset.S b/arch/alpha/lib/memset.S
index f824969e9e77..00393e30df25 100644
--- a/arch/alpha/lib/memset.S
+++ b/arch/alpha/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/arch/alpha/lib/memset.S
  *
diff --git a/arch/alpha/lib/srm_printk.c b/arch/alpha/lib/srm_printk.c
index 31b53c49435e..6276eed76276 100644
--- a/arch/alpha/lib/srm_printk.c
+++ b/arch/alpha/lib/srm_printk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	arch/alpha/lib/srm_printk.c
  */
diff --git a/arch/alpha/lib/srm_puts.c b/arch/alpha/lib/srm_puts.c
index 7b60a6f75a78..df7991f6fc69 100644
--- a/arch/alpha/lib/srm_puts.c
+++ b/arch/alpha/lib/srm_puts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	arch/alpha/lib/srm_puts.c
  */
diff --git a/arch/alpha/lib/stacktrace.c b/arch/alpha/lib/stacktrace.c
index 5e832161e6d2..62454a7810e2 100644
--- a/arch/alpha/lib/stacktrace.c
+++ b/arch/alpha/lib/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 
 typedef unsigned int instr;
diff --git a/arch/alpha/lib/strcat.S b/arch/alpha/lib/strcat.S
index 249837b03d4b..055877dccd27 100644
--- a/arch/alpha/lib/strcat.S
+++ b/arch/alpha/lib/strcat.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strcat.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/strchr.S b/arch/alpha/lib/strchr.S
index 7412a173ea39..17871dd00280 100644
--- a/arch/alpha/lib/strchr.S
+++ b/arch/alpha/lib/strchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strchr.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/strcpy.S b/arch/alpha/lib/strcpy.S
index 98deae1e4d08..cb74ad23a90d 100644
--- a/arch/alpha/lib/strcpy.S
+++ b/arch/alpha/lib/strcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strcpy.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/strlen.S b/arch/alpha/lib/strlen.S
index 79c416f71bac..dd882fe4d7e3 100644
--- a/arch/alpha/lib/strlen.S
+++ b/arch/alpha/lib/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * strlen.S (c) 1995 David Mosberger (davidm@cs.arizona.edu)
  *
diff --git a/arch/alpha/lib/strncat.S b/arch/alpha/lib/strncat.S
index 6c29ea60869a..522fee3e26ac 100644
--- a/arch/alpha/lib/strncat.S
+++ b/arch/alpha/lib/strncat.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strncat.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/strncpy.S b/arch/alpha/lib/strncpy.S
index e102cf1567dd..cc57fad8b7ca 100644
--- a/arch/alpha/lib/strncpy.S
+++ b/arch/alpha/lib/strncpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strncpy.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/strrchr.S b/arch/alpha/lib/strrchr.S
index 4bc6cb4b9812..7650ba99b7e2 100644
--- a/arch/alpha/lib/strrchr.S
+++ b/arch/alpha/lib/strrchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/strrchr.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/stxcpy.S b/arch/alpha/lib/stxcpy.S
index 2a8d51bfc05d..58723b0a36d4 100644
--- a/arch/alpha/lib/stxcpy.S
+++ b/arch/alpha/lib/stxcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/stxcpy.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/stxncpy.S b/arch/alpha/lib/stxncpy.S
index 3dece25283a3..011d9091c6e1 100644
--- a/arch/alpha/lib/stxncpy.S
+++ b/arch/alpha/lib/stxncpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/alpha/lib/stxncpy.S
  * Contributed by Richard Henderson (rth@tamu.edu)
diff --git a/arch/alpha/lib/udelay.c b/arch/alpha/lib/udelay.c
index f2d81ff38aa6..873648263430 100644
--- a/arch/alpha/lib/udelay.c
+++ b/arch/alpha/lib/udelay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1993, 2000 Linus Torvalds
  *
diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h
index f53707f77455..ae30f3417522 100644
--- a/arch/alpha/math-emu/sfp-util.h
+++ b/arch/alpha/math-emu/sfp-util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/types.h>
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index c25e8827e7cd..cd3c572ee912 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/mm/fault.c
  *
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 0542e973c73d..9d74520298ab 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/mm/init.c
  *
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index d543d71c28b4..a9e86475f169 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/alpha/mm/numa.c
  *
diff --git a/arch/alpha/oprofile/Makefile b/arch/alpha/oprofile/Makefile
index 3473de751b03..79f32820a42f 100644
--- a/arch/alpha/oprofile/Makefile
+++ b/arch/alpha/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Werror -Wno-sign-compare
 
 obj-$(CONFIG_OPROFILE) += oprofile.o
diff --git a/arch/arc/Kconfig.debug b/arch/arc/Kconfig.debug
index ff6a4b5ce927..03da1a6b3072 100644
--- a/arch/arc/Kconfig.debug
+++ b/arch/arc/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/arc/boot/Makefile b/arch/arc/boot/Makefile
index f94cf151e06a..538b92f4dd25 100644
--- a/arch/arc/boot/Makefile
+++ b/arch/arc/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 targets := vmlinux.bin vmlinux.bin.gz uImage
 
 # uImage build relies on mkimage being availble on your host for ARC target
diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile
index a09f11b71e66..83c9e076ef63 100644
--- a/arch/arc/boot/dts/Makefile
+++ b/arch/arc/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Built-in dtb
 builtindtb-y		:= nsim_700
 
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 353dae386b2f..cd8398daccee 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += bugs.h
 generic-y += clkdev.h
 generic-y += device.h
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index ac85380d14a4..257a68f3c2fe 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __ASM_ARC_ENTRY_ARCV2_H
 #define __ASM_ARC_ENTRY_ARCV2_H
diff --git a/arch/arc/include/asm/fb.h b/arch/arc/include/asm/fb.h
index bd3f68c9ddfc..dc2e303cdbbb 100644
--- a/arch/arc/include/asm/fb.h
+++ b/arch/arc/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/arc/kernel/sys.c b/arch/arc/kernel/sys.c
index 9d6c1ca26af6..fddecc76efb7 100644
--- a/arch/arc/kernel/sys.c
+++ b/arch/arc/kernel/sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/syscalls.h>
 #include <linux/signal.h>
diff --git a/arch/arc/oprofile/Makefile b/arch/arc/oprofile/Makefile
index ce417a6e70b8..698367bb41d0 100644
--- a/arch/arc/oprofile/Makefile
+++ b/arch/arc/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig
index e151e2067886..8eff057efcae 100644
--- a/arch/arc/plat-eznps/Kconfig
+++ b/arch/arc/plat-eznps/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7888c9803eb0..d1346a160760 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARM
 	bool
 	default y
diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu
index b7576349528c..22f34c423be6 100644
--- a/arch/arm/Kconfig-nommu
+++ b/arch/arm/Kconfig-nommu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Kconfig for uClinux(non-paged MM) depend configurations
 # Hyok S. Choi <hyok.choi@samsung.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 6dcea8e8e941..954ba8b81052 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/arm/boot/bootp/Makefile b/arch/arm/boot/bootp/Makefile
index 5e4acd253b30..83e1a076a5d6 100644
--- a/arch/arm/boot/bootp/Makefile
+++ b/arch/arm/boot/bootp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/arm/boot/bootp/Makefile
 #
diff --git a/arch/arm/boot/bootp/initrd.S b/arch/arm/boot/bootp/initrd.S
index d81ea183785c..dd3d04971c42 100644
--- a/arch/arm/boot/bootp/initrd.S
+++ b/arch/arm/boot/bootp/initrd.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.type	initrd_start,#object
 	.globl	initrd_start
 initrd_start:
diff --git a/arch/arm/boot/bootp/kernel.S b/arch/arm/boot/bootp/kernel.S
index b87a25c7ef88..dc6236c173d2 100644
--- a/arch/arm/boot/bootp/kernel.S
+++ b/arch/arm/boot/bootp/kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.globl	kernel_start
 kernel_start:
 	.incbin	"arch/arm/boot/zImage"
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index d50430c40045..a5889238fc9f 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/arm/boot/compressed/Makefile
 #
diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c
index 9448aa0c6686..41fa7316c52b 100644
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/setup.h>
 #include <libfdt.h>
 
diff --git a/arch/arm/boot/compressed/big-endian.S b/arch/arm/boot/compressed/big-endian.S
index 25ab26f1c6f0..88e2a88d324b 100644
--- a/arch/arm/boot/compressed/big-endian.S
+++ b/arch/arm/boot/compressed/big-endian.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/arm/boot/compressed/big-endian.S
  *
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S
index 8f6e37177de1..6bf2917a4621 100644
--- a/arch/arm/boot/compressed/debug.S
+++ b/arch/arm/boot/compressed/debug.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index f3a4bedd1afc..a2ac3fe7dbf8 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _LINUX_STRING_H_
 
 #include <linux/compiler.h>	/* for inline */
diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S
index 3115e313d9f6..95abdd850fe3 100644
--- a/arch/arm/boot/compressed/head-sa1100.S
+++ b/arch/arm/boot/compressed/head-sa1100.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * linux/arch/arm/boot/compressed/head-sa1100.S
  * 
diff --git a/arch/arm/boot/compressed/head-sharpsl.S b/arch/arm/boot/compressed/head-sharpsl.S
index eb0084ea1ec4..992e784500fa 100644
--- a/arch/arm/boot/compressed/head-sharpsl.S
+++ b/arch/arm/boot/compressed/head-sharpsl.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/arch/arm/boot/compressed/head-sharpsl.S
  *
diff --git a/arch/arm/boot/compressed/head-xscale.S b/arch/arm/boot/compressed/head-xscale.S
index 6ab0599c02dd..20fa44d59f82 100644
--- a/arch/arm/boot/compressed/head-xscale.S
+++ b/arch/arm/boot/compressed/head-xscale.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/arch/arm/boot/compressed/head-xscale.S
  *
diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
index 17ae0f3efac8..07437816e098 100644
--- a/arch/arm/boot/compressed/libfdt_env.h
+++ b/arch/arm/boot/compressed/libfdt_env.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARM_LIBFDT_ENV_H
 #define _ARM_LIBFDT_ENV_H
 
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index d4f891f56996..16a8a804e958 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c
  * 
diff --git a/arch/arm/boot/compressed/piggy.S b/arch/arm/boot/compressed/piggy.S
index f72088495f43..0284f84dcf38 100644
--- a/arch/arm/boot/compressed/piggy.S
+++ b/arch/arm/boot/compressed/piggy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.section .piggydata,#alloc
 	.globl	input_data
 input_data:
diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c
index 689467448736..309e1bbad75d 100644
--- a/arch/arm/boot/compressed/string.c
+++ b/arch/arm/boot/compressed/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/boot/compressed/string.c
  *
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index faf46abaa4a2..eff87a344566 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq ($(CONFIG_OF),y)
 
 dtb-$(CONFIG_ARCH_ALPINE) += \
diff --git a/arch/arm/boot/dts/am57xx-commercial-grade.dtsi b/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
index c183654464e9..3eed6e09c884 100644
--- a/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
+++ b/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &cpu_alert0 {
 	temperature = <80000>; /* milliCelsius */
 };
diff --git a/arch/arm/boot/dts/am57xx-industrial-grade.dtsi b/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
index 70c8c4ba1933..422f953fc8d8 100644
--- a/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
+++ b/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &cpu_alert0 {
 	temperature = <90000>; /* milliCelsius */
 };
diff --git a/arch/arm/boot/dts/armv7-m.dtsi b/arch/arm/boot/dts/armv7-m.dtsi
index ba332e399be4..26f5443d85e1 100644
--- a/arch/arm/boot/dts/armv7-m.dtsi
+++ b/arch/arm/boot/dts/armv7-m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	nvic: interrupt-controller@e000e100  {
 		compatible = "arm,armv7m-nvic";
diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
index 7c90dac99822..f53e89d63477 100644
--- a/arch/arm/boot/dts/aspeed-ast2500-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "aspeed-g5.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index 112551766275..e1b523bd5b8b 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "aspeed-g4.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
index 1190fec1b5d0..6dd77cba191c 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "aspeed-g5.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index 22b958537d31..fcc5efbd0879 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "skeleton.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 9cffe347b828..eab8f549a6fe 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "skeleton.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/at91-ariettag25.dts b/arch/arm/boot/dts/at91-ariettag25.dts
index c514502081d2..21c5b56c92e0 100644
--- a/arch/arm/boot/dts/at91-ariettag25.dts
+++ b/arch/arm/boot/dts/at91-ariettag25.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for Arietta G25
  * This device tree is minimal, to activate more peripherals, see:
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
index 9f866491efdf..f81ae0a10310 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a.dts b/arch/arm/boot/dts/bcm2835-rpi-a.dts
index 4b1af06c8dc0..7a960a048204 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
index a846f1e781d8..0161a8483e39 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
index e860964e39fa..4bc70efe43d6 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 5d77f3f8c4c5..cca4a75a5651 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 659b6e9513b1..0e3d2a5ff208 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm283x.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
index e8de41444b68..6669355fd655 100644
--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2836.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index 2c26d0be8b03..61e158003509 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm283x.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index c71a0d73d2a2..eb1a28da57e3 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2837.dtsi"
 #include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
index 9a0599f711ff..967e081cb9c2 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	aliases {
 		ethernet0 = &ethernet;
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
index e7d217c967a1..e2fd9610e125 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &usb {
 	dr_mode = "otg";
 	g-rx-fifo-size = <256>;
diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi
index d0560e8cd6de..43ee992ccdcf 100644
--- a/arch/arm/boot/dts/bcm63138.dtsi
+++ b/arch/arm/boot/dts/bcm63138.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Broadcom BCM63138 DSL SoCs Device Tree
  */
diff --git a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
index 0bb8d17e4c2d..8006c69a3fdf 100644
--- a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
+++ b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm7445.dtsi"
 
diff --git a/arch/arm/boot/dts/bcm7445.dtsi b/arch/arm/boot/dts/bcm7445.dtsi
index 4791321969b3..c859aa6f358c 100644
--- a/arch/arm/boot/dts/bcm7445.dtsi
+++ b/arch/arm/boot/dts/bcm7445.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
 #include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/bcm963138dvt.dts b/arch/arm/boot/dts/bcm963138dvt.dts
index 370aa2cfddf2..c61673638fa8 100644
--- a/arch/arm/boot/dts/bcm963138dvt.dts
+++ b/arch/arm/boot/dts/bcm963138dvt.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Broadcom BCM63138 Reference Board DTS
  */
diff --git a/arch/arm/boot/dts/dove-cubox-es.dts b/arch/arm/boot/dts/dove-cubox-es.dts
index e28ef056dd17..ad361ec1361d 100644
--- a/arch/arm/boot/dts/dove-cubox-es.dts
+++ b/arch/arm/boot/dts/dove-cubox-es.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "dove-cubox.dts"
 
 / {
diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index af3cb633135f..580e3cbcfbf7 100644
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-d2plug.dts b/arch/arm/boot/dts/dove-d2plug.dts
index c11d3636c8e5..273f12ca2512 100644
--- a/arch/arm/boot/dts/dove-d2plug.dts
+++ b/arch/arm/boot/dts/dove-d2plug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-d3plug.dts b/arch/arm/boot/dts/dove-d3plug.dts
index e88ff83f1dec..826026c28f90 100644
--- a/arch/arm/boot/dts/dove-d3plug.dts
+++ b/arch/arm/boot/dts/dove-d3plug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-dove-db.dts b/arch/arm/boot/dts/dove-dove-db.dts
index bb725dca3a10..1754a62e014e 100644
--- a/arch/arm/boot/dts/dove-dove-db.dts
+++ b/arch/arm/boot/dts/dove-dove-db.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
index 1475d3672e56..f4a07bb7c3a2 100644
--- a/arch/arm/boot/dts/dove.dtsi
+++ b/arch/arm/boot/dts/dove.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /include/ "skeleton.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/efm32gg-dk3750.dts b/arch/arm/boot/dts/efm32gg-dk3750.dts
index 98fc667d22c7..c9f3ea29cf9e 100644
--- a/arch/arm/boot/dts/efm32gg-dk3750.dts
+++ b/arch/arm/boot/dts/efm32gg-dk3750.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device tree for EFM32GG-DK3750 development board.
  *
diff --git a/arch/arm/boot/dts/efm32gg.dtsi b/arch/arm/boot/dts/efm32gg.dtsi
index b78c57e51ed5..8a58e49144cc 100644
--- a/arch/arm/boot/dts/efm32gg.dtsi
+++ b/arch/arm/boot/dts/efm32gg.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device tree for Energy Micro EFM32 Giant Gecko SoC.
  *
diff --git a/arch/arm/boot/dts/elpida_ecb240abacn.dtsi b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
index f97f70f83374..d87ee4794f83 100644
--- a/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
+++ b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common devices used in different OMAP boards
  */
diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts
index b4fc58c8cf8d..d6a22e677c7a 100644
--- a/arch/arm/boot/dts/gemini-nas4220b.dts
+++ b/arch/arm/boot/dts/gemini-nas4220b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
  */
diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts
index 3613b264f45f..500057b6570e 100644
--- a/arch/arm/boot/dts/gemini-rut1xx.dts
+++ b/arch/arm/boot/dts/gemini-rut1xx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for Teltonika RUT1xx
  */
diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts
index 7cfa9caf47d4..63c02ca9513c 100644
--- a/arch/arm/boot/dts/gemini-sq201.dts
+++ b/arch/arm/boot/dts/gemini-sq201.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for ITian Square One SQ201 NAS
  */
diff --git a/arch/arm/boot/dts/gemini-wbd111.dts b/arch/arm/boot/dts/gemini-wbd111.dts
index 38a49e750478..b413fd12c5ba 100644
--- a/arch/arm/boot/dts/gemini-wbd111.dts
+++ b/arch/arm/boot/dts/gemini-wbd111.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for Wiliboard WBD-111
  */
diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts
index f77e34e0df0b..3ba710538662 100644
--- a/arch/arm/boot/dts/gemini-wbd222.dts
+++ b/arch/arm/boot/dts/gemini-wbd222.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for Wiliboard WBD-222
  */
diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi
index f0d178c77153..b9b07d0895cf 100644
--- a/arch/arm/boot/dts/gemini.dtsi
+++ b/arch/arm/boot/dts/gemini.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree file for Cortina systems Gemini SoC
  */
diff --git a/arch/arm/boot/dts/imx28-apx4devkit.dts b/arch/arm/boot/dts/imx28-apx4devkit.dts
index 1092b761d7ac..d2a91976e67f 100644
--- a/arch/arm/boot/dts/imx28-apx4devkit.dts
+++ b/arch/arm/boot/dts/imx28-apx4devkit.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "imx28.dtsi"
 
diff --git a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
index d78312c63672..ebe7a8bddf04 100644
--- a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/gpio/gpio.h>
 
 / {
diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
index 6fe0dd1d3541..380f9ae60c78 100644
--- a/arch/arm/boot/dts/integrator.dtsi
+++ b/arch/arm/boot/dts/integrator.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SoC core Device Tree for the ARM Integrator platforms
  */
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
index e8b249f92fb3..a5d88a213dcd 100644
--- a/arch/arm/boot/dts/integratorap.dts
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ARM Integrator/AP platform
  */
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts
index 97f38b57a702..a185ab8759fa 100644
--- a/arch/arm/boot/dts/integratorcp.dts
+++ b/arch/arm/boot/dts/integratorcp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ARM Integrator/CP platform
  */
diff --git a/arch/arm/boot/dts/kirkwood-6192.dtsi b/arch/arm/boot/dts/kirkwood-6192.dtsi
index f003f3f1bd65..396bcba08adb 100644
--- a/arch/arm/boot/dts/kirkwood-6192.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6192.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	mbus@f1000000 {
 		pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-6281.dtsi b/arch/arm/boot/dts/kirkwood-6281.dtsi
index 47d4b3d3d9e9..faa05849a40d 100644
--- a/arch/arm/boot/dts/kirkwood-6281.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6281.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	mbus@f1000000 {
 		pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-6282.dtsi b/arch/arm/boot/dts/kirkwood-6282.dtsi
index a13dad0a7c08..e84c54b77dea 100644
--- a/arch/arm/boot/dts/kirkwood-6282.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6282.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	mbus@f1000000 {
 		pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-98dx4122.dtsi b/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
index 90d4d71b6683..299c147298c3 100644
--- a/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
+++ b/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	mbus@f1000000 {
 		pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-cloudbox.dts b/arch/arm/boot/dts/kirkwood-cloudbox.dts
index 555b7e4c58a5..448b0cd23b5f 100644
--- a/arch/arm/boot/dts/kirkwood-cloudbox.dts
+++ b/arch/arm/boot/dts/kirkwood-cloudbox.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts
index d85ef0a91b50..d6b0f418fd01 100644
--- a/arch/arm/boot/dts/kirkwood-dns320.dts
+++ b/arch/arm/boot/dts/kirkwood-dns320.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-dnskw.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts
index 5e586ed04c58..94d9c06cbbf5 100644
--- a/arch/arm/boot/dts/kirkwood-dns325.dts
+++ b/arch/arm/boot/dts/kirkwood-dns325.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-dnskw.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
index d8fca9db46d0..cbaf06f2f78e 100644
--- a/arch/arm/boot/dts/kirkwood-dnskw.dtsi
+++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "kirkwood.dtsi"
 #include "kirkwood-6281.dtsi"
 
diff --git a/arch/arm/boot/dts/kirkwood-dockstar.dts b/arch/arm/boot/dts/kirkwood-dockstar.dts
index 849736349511..6a3f1bf6d9f1 100644
--- a/arch/arm/boot/dts/kirkwood-dockstar.dts
+++ b/arch/arm/boot/dts/kirkwood-dockstar.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index e2abc8246bf3..7f326e267494 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts
index aa60a0b049a7..02d87e0a1061 100644
--- a/arch/arm/boot/dts/kirkwood-goflexnet.dts
+++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
index b2d9834bf458..ff1260ee3fe8 100644
--- a/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
+++ b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts
index 5bf62897014c..962a910a6f5c 100644
--- a/arch/arm/boot/dts/kirkwood-ib62x0.dts
+++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts
index d25184ae4af3..4a512d80912c 100644
--- a/arch/arm/boot/dts/kirkwood-iconnect.dts
+++ b/arch/arm/boot/dts/kirkwood-iconnect.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
index 8474bffec0ca..62272d58664f 100644
--- a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
+++ b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-is2.dts b/arch/arm/boot/dts/kirkwood-is2.dts
index 4121674abd1c..1bc16a5cdbaa 100644
--- a/arch/arm/boot/dts/kirkwood-is2.dts
+++ b/arch/arm/boot/dts/kirkwood-is2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-km_common.dtsi b/arch/arm/boot/dts/kirkwood-km_common.dtsi
index 7962bdefde49..75dc83914f56 100644
--- a/arch/arm/boot/dts/kirkwood-km_common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-km_common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	chosen {
 		bootargs = "console=ttyS0,115200n8 earlyprintk";
diff --git a/arch/arm/boot/dts/kirkwood-km_fixedeth.dts b/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
index 9895f2b10f8a..515be7bccc0a 100644
--- a/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
+++ b/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
index 235bf382fff9..f035eff1c111 100644
--- a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
+++ b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lschlv2.dts b/arch/arm/boot/dts/kirkwood-lschlv2.dts
index e2fa368aef25..1d737d903f5f 100644
--- a/arch/arm/boot/dts/kirkwood-lschlv2.dts
+++ b/arch/arm/boot/dts/kirkwood-lschlv2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-lsxl.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lsxhl.dts b/arch/arm/boot/dts/kirkwood-lsxhl.dts
index 8d89cdf8d6bf..a56e0d797778 100644
--- a/arch/arm/boot/dts/kirkwood-lsxhl.dts
+++ b/arch/arm/boot/dts/kirkwood-lsxhl.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-lsxl.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
index 8b7c6ce79a41..7b151acb9984 100644
--- a/arch/arm/boot/dts/kirkwood-lsxl.dtsi
+++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "kirkwood.dtsi"
 #include "kirkwood-6281.dtsi"
 
diff --git a/arch/arm/boot/dts/kirkwood-mplcec4.dts b/arch/arm/boot/dts/kirkwood-mplcec4.dts
index aa413b0bcce2..b80d12f6aa49 100644
--- a/arch/arm/boot/dts/kirkwood-mplcec4.dts
+++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 282605f4c92c..51530ea86622 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "kirkwood.dtsi"
 #include "kirkwood-6281.dtsi"
 
diff --git a/arch/arm/boot/dts/kirkwood-ns2.dts b/arch/arm/boot/dts/kirkwood-ns2.dts
index 190189d235e6..7b67083e1ec0 100644
--- a/arch/arm/boot/dts/kirkwood-ns2.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-ns2lite.dts b/arch/arm/boot/dts/kirkwood-ns2lite.dts
index 2c661add0cc0..b0cb5907ed63 100644
--- a/arch/arm/boot/dts/kirkwood-ns2lite.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2lite.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-ns2-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ns2max.dts b/arch/arm/boot/dts/kirkwood-ns2max.dts
index 55cc41d9c80c..c0a087e77408 100644
--- a/arch/arm/boot/dts/kirkwood-ns2max.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2max.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-ns2mini.dts b/arch/arm/boot/dts/kirkwood-ns2mini.dts
index 9935f3ec29b4..5b9fa14b6428 100644
--- a/arch/arm/boot/dts/kirkwood-ns2mini.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2mini.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 0b69ee4934fa..9b861c2e76c5 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-nsa3x0-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-nsa310a.dts b/arch/arm/boot/dts/kirkwood-nsa310a.dts
index 3d2b3d494c19..b85e314f045a 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310a.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310a.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood-nsa3x0-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi b/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
index e09b79ac73fd..2c4037b07282 100644
--- a/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "kirkwood.dtsi"
 #include "kirkwood-6281.dtsi"
 
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
index c75da5f0ca48..8ea430168ea5 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
index b2f26239d298..5ce220ac9611 100644
--- a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
+++ b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kirkwood-pogoplug-series-4.dts - Device tree file for PogoPlug Series 4
  * inspired by the board files made by Kevin Mihelich for ArchLinux,
diff --git a/arch/arm/boot/dts/kirkwood-topkick.dts b/arch/arm/boot/dts/kirkwood-topkick.dts
index 330aada6d33f..a5b51e29f63e 100644
--- a/arch/arm/boot/dts/kirkwood-topkick.dts
+++ b/arch/arm/boot/dts/kirkwood-topkick.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/arch/arm/boot/dts/kirkwood-ts219-6281.dts
index ee62204e4ecd..30892c19aceb 100644
--- a/arch/arm/boot/dts/kirkwood-ts219-6281.dts
+++ b/arch/arm/boot/dts/kirkwood-ts219-6281.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219-6282.dts b/arch/arm/boot/dts/kirkwood-ts219-6282.dts
index 3437bb396844..aba1205981f1 100644
--- a/arch/arm/boot/dts/kirkwood-ts219-6282.dts
+++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi
index 62e5e2d5c348..4faea1d9facf 100644
--- a/arch/arm/boot/dts/kirkwood-ts219.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	model = "QNAP TS219 family";
 	compatible = "qnap,ts219", "marvell,kirkwood";
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 29b8bd7e0d93..a70fc7f01fc3 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /include/ "skeleton.dtsi"
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
index 445fafc73254..ded7e8fec9eb 100644
--- a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
+++ b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common file for GPMC connected smsc911x on omaps
  *
diff --git a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
index 73e272fadc20..7f6aefd13451 100644
--- a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
+++ b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common file for GPMC connected smsc9221 on omaps
  *
diff --git a/arch/arm/boot/dts/omap-zoom-common.dtsi b/arch/arm/boot/dts/omap-zoom-common.dtsi
index 46ef3e443861..d4ad9e58b199 100644
--- a/arch/arm/boot/dts/omap-zoom-common.dtsi
+++ b/arch/arm/boot/dts/omap-zoom-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common features on the Zoom debug board
  */
diff --git a/arch/arm/boot/dts/omap2420-n800.dts b/arch/arm/boot/dts/omap2420-n800.dts
index d8c1b423606a..f06d767e818b 100644
--- a/arch/arm/boot/dts/omap2420-n800.dts
+++ b/arch/arm/boot/dts/omap2420-n800.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n810-wimax.dts b/arch/arm/boot/dts/omap2420-n810-wimax.dts
index 6b25b0359ac9..ac9acbd609b6 100644
--- a/arch/arm/boot/dts/omap2420-n810-wimax.dts
+++ b/arch/arm/boot/dts/omap2420-n810-wimax.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n810.dts b/arch/arm/boot/dts/omap2420-n810.dts
index b604d26bd48c..7c485fbfa535 100644
--- a/arch/arm/boot/dts/omap2420-n810.dts
+++ b/arch/arm/boot/dts/omap2420-n810.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
index 91886231e5a8..1de80c7886ab 100644
--- a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
+++ b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "omap2420.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/omap3-cm-t3517.dts b/arch/arm/boot/dts/omap3-cm-t3517.dts
index 3d293b345e99..4994e33bf663 100644
--- a/arch/arm/boot/dts/omap3-cm-t3517.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3517.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for CompuLab CM-T3517
  */
diff --git a/arch/arm/boot/dts/omap3-cm-t3530.dts b/arch/arm/boot/dts/omap3-cm-t3530.dts
index 8dd14fcf6825..76e52c78cbb4 100644
--- a/arch/arm/boot/dts/omap3-cm-t3530.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3530.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for CompuLab CM-T3530
  */
diff --git a/arch/arm/boot/dts/omap3-cm-t3730.dts b/arch/arm/boot/dts/omap3-cm-t3730.dts
index bdf4b7fdda39..8c63ac5bbb12 100644
--- a/arch/arm/boot/dts/omap3-cm-t3730.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3730.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for CompuLab CM-T3730
  */
diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
index fccd5383243c..31d5ebf38892 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common support for CompuLab CM-T3x CoMs
  */
diff --git a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
index 046cd7733c4f..5e8943539fcc 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common support for CompuLab CM-T3x30 CoMs
  */
diff --git a/arch/arm/boot/dts/omap3-evm-common.dtsi b/arch/arm/boot/dts/omap3-evm-common.dtsi
index ff35803088e3..dbc3f030a16c 100644
--- a/arch/arm/boot/dts/omap3-evm-common.dtsi
+++ b/arch/arm/boot/dts/omap3-evm-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common support for omap3 EVM boards
  */
diff --git a/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi b/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
index 157345bb8e79..25e100db7b1a 100644
--- a/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
+++ b/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common file for omap dpi panels with QVGA and reset pins
  *
diff --git a/arch/arm/boot/dts/omap3-sb-t35.dtsi b/arch/arm/boot/dts/omap3-sb-t35.dtsi
index 4476fb685a1b..22b4c8bdcc65 100644
--- a/arch/arm/boot/dts/omap3-sb-t35.dtsi
+++ b/arch/arm/boot/dts/omap3-sb-t35.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common support for CompuLab SB-T35 used on SBC-T3530, SBC-T3517 and SBC-T3730
  */
diff --git a/arch/arm/boot/dts/omap3-sbc-t3517.dts b/arch/arm/boot/dts/omap3-sbc-t3517.dts
index c2d5c28a1a70..a69d32860421 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3517.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3517.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Suppport for CompuLab SBC-T3517 with CM-T3517
  */
diff --git a/arch/arm/boot/dts/omap3-sbc-t3530.dts b/arch/arm/boot/dts/omap3-sbc-t3530.dts
index 834bc786cd12..ae96002abb3b 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3530.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3530.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Suppport for CompuLab SBC-T3530 with CM-T3530
  */
diff --git a/arch/arm/boot/dts/omap3-sbc-t3730.dts b/arch/arm/boot/dts/omap3-sbc-t3730.dts
index 73c7bf4a4a08..7de6df16fc17 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3730.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3730.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Suppport for CompuLab SBC-T3730 with CM-T3730
  */
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts
index 552a5c4c5942..5b172a04b6f1 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for CompuLab CM-T54
  */
diff --git a/arch/arm/boot/dts/omap5-sbc-t54.dts b/arch/arm/boot/dts/omap5-sbc-t54.dts
index 7b8810d13257..657df46251c2 100644
--- a/arch/arm/boot/dts/omap5-sbc-t54.dts
+++ b/arch/arm/boot/dts/omap5-sbc-t54.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Suppport for CompuLab CM-T54 on SB-T54 baseboard
  */
diff --git a/arch/arm/boot/dts/pxa27x.dtsi b/arch/arm/boot/dts/pxa27x.dtsi
index 5f1d6da02a4c..747f750f675d 100644
--- a/arch/arm/boot/dts/pxa27x.dtsi
+++ b/arch/arm/boot/dts/pxa27x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* The pxa3xx skeleton simply augments the 2xx version */
 #include "pxa2xx.dtsi"
 #include "dt-bindings/clock/pxa-clock.h"
diff --git a/arch/arm/boot/dts/pxa3xx.dtsi b/arch/arm/boot/dts/pxa3xx.dtsi
index 7a0cc4ea819a..55c75b67351c 100644
--- a/arch/arm/boot/dts/pxa3xx.dtsi
+++ b/arch/arm/boot/dts/pxa3xx.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* The pxa3xx skeleton simply augments the 2xx version */
 #include "pxa2xx.dtsi"
 
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
index a3efb9704fcd..8df73156b73a 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &tlmm_pinmux {
 	card_detect: card-detect {
 		mux {
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
index f245064f320e..76b56eafaab9 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064-v2.0.dtsi"
 #include "qcom-apq8064-arrow-sd-600eval-pins.dtsi"
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
index 3483a66e44c1..a701d4bac320 100644
--- a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064-v2.0.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
index 5b151e425530..b818ebce0978 100644
--- a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064-v2.0.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index 053b5bdd7808..83aaf4a74398 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064-v2.0.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-pins.dtsi b/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
index 173ab7c299ce..cbe42c4153a0 100644
--- a/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 &tlmm_pinmux {
 	sdc4_gpios: sdc4-gpios {
diff --git a/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts b/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
index 88a9aff41e2f..8bf488fb86ad 100644
--- a/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064-v2.0.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi b/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
index 935c3945fc5e..46ed48f0244f 100644
--- a/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
@@ -1 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8064.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index f3db185a6809..6089c8d56cd5 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index 32f3b81f609c..244f04e19c9d 100644
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-msm8974.dtsi"
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
index 2052b84a77c6..44cd72f1b1be 100644
--- a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
+++ b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8084.dtsi"
 #include "qcom-pma8084.dtsi"
 
diff --git a/arch/arm/boot/dts/qcom-apq8084-mtp.dts b/arch/arm/boot/dts/qcom-apq8084-mtp.dts
index d174d15bcf70..c6b6680248a6 100644
--- a/arch/arm/boot/dts/qcom-apq8084-mtp.dts
+++ b/arch/arm/boot/dts/qcom-apq8084-mtp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-apq8084.dtsi"
 #include "qcom-pma8084.dtsi"
 
diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
index 80d48867107f..0e1e98707e3f 100644
--- a/arch/arm/boot/dts/qcom-apq8084.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
index 348503d1a1c1..bcf53e37ed93 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-ipq8064-v1.0.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
index 7093b075e408..e1181194e8d3 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
@@ -1 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-ipq8064.dtsi"
diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
index f1fbffe59b93..1e0a3b446f7a 100644
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8660-surf.dts b/arch/arm/boot/dts/qcom-msm8660-surf.dts
index 1adc04978a47..f01a11b18d6a 100644
--- a/arch/arm/boot/dts/qcom-msm8660-surf.dts
+++ b/arch/arm/boot/dts/qcom-msm8660-surf.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 
 #include "qcom-msm8660.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8660.dtsi b/arch/arm/boot/dts/qcom-msm8660.dtsi
index 1b5d31b33b5e..221c4584552f 100644
--- a/arch/arm/boot/dts/qcom-msm8660.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8660.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8960-cdp.dts b/arch/arm/boot/dts/qcom-msm8960-cdp.dts
index b72a55462caf..82d5d8267adf 100644
--- a/arch/arm/boot/dts/qcom-msm8960-cdp.dts
+++ b/arch/arm/boot/dts/qcom-msm8960-cdp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 
 #include "qcom-msm8960.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom-msm8960.dtsi
index 288f56e0ccf5..1733d8f40ab1 100644
--- a/arch/arm/boot/dts/qcom-msm8960.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8960.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index 382bcc3231a9..4dc0b347b1ee 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-msm8974.dtsi"
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
index 50966378f9e4..450b8321e0a6 100644
--- a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qcom-msm8974.dtsi"
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index a39207625354..33002fed8cc3 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/arch/arm/boot/dts/qcom-pm8841.dtsi b/arch/arm/boot/dts/qcom-pm8841.dtsi
index 0512f645922e..2fd59c440903 100644
--- a/arch/arm/boot/dts/qcom-pm8841.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8841.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
diff --git a/arch/arm/boot/dts/qcom-pm8941.dtsi b/arch/arm/boot/dts/qcom-pm8941.dtsi
index 3fc9f34f45bb..1d5ef55c7ee5 100644
--- a/arch/arm/boot/dts/qcom-pm8941.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8941.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm/boot/dts/qcom-pma8084.dtsi b/arch/arm/boot/dts/qcom-pma8084.dtsi
index 82d258094156..aac7e73b6872 100644
--- a/arch/arm/boot/dts/qcom-pma8084.dtsi
+++ b/arch/arm/boot/dts/qcom-pma8084.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
index 8a394f336003..e57191fb83de 100644
--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
+++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define PINMUX_PIN(no, func, ioset) \
 (((no) & 0xffff) | (((func) & 0xf) << 16) | (((ioset) & 0xff) << 20))
 
diff --git a/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
index 9657a5cbc3ad..dbdda36179ee 100644
--- a/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
+++ b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Timings and Geometry for Samsung K3PE0E000B memory part
  */
diff --git a/arch/arm/boot/dts/skeleton.dtsi b/arch/arm/boot/dts/skeleton.dtsi
index 28b81d60b407..34eda68d9ea2 100644
--- a/arch/arm/boot/dts/skeleton.dtsi
+++ b/arch/arm/boot/dts/skeleton.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file is deprecated, and will be removed once existing users have been
  * updated. New dts{,i} files should *not* include skeleton.dtsi, and should
diff --git a/arch/arm/boot/dts/skeleton64.dtsi b/arch/arm/boot/dts/skeleton64.dtsi
index b5d7f36f33de..54e637752b9d 100644
--- a/arch/arm/boot/dts/skeleton64.dtsi
+++ b/arch/arm/boot/dts/skeleton64.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Skeleton device tree in the 64 bits version; the bare minimum
  * needed to boot; just include and add a compatible value.  The
diff --git a/arch/arm/boot/dts/st-pincfg.h b/arch/arm/boot/dts/st-pincfg.h
index 4851c387d52d..d80551202292 100644
--- a/arch/arm/boot/dts/st-pincfg.h
+++ b/arch/arm/boot/dts/st-pincfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ST_PINCFG_H_
 #define _ST_PINCFG_H_
 
diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
index 1ec46a794a4d..12afdc7467e7 100644
--- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts
+++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ST-Ericsson Nomadik S8815 board
  * Produced by Calao Systems
diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index 789329030658..4445446fa828 100644
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ST-Ericsson Nomadik S8815 board
  * Produced by Calao Systems
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index adb1c0998b81..68aab50a73ab 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ST-Ericsson Nomadik 8815 STn8815 SoC
  */
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
index 2f5107ffeef0..62ecb6a2fa39 100644
--- a/arch/arm/boot/dts/ste-u300.dts
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ST-Ericsson U300 Machine and SoC
  */
diff --git a/arch/arm/boot/dts/tango4-common.dtsi b/arch/arm/boot/dts/tango4-common.dtsi
index 0c8cad4d6ee6..12ab6e0c0331 100644
--- a/arch/arm/boot/dts/tango4-common.dtsi
+++ b/arch/arm/boot/dts/tango4-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Based on Mans Rullgard's Tango3 DT
  * https://github.com/mansr/linux-tangox
diff --git a/arch/arm/boot/dts/tango4-smp8758.dtsi b/arch/arm/boot/dts/tango4-smp8758.dtsi
index eca33d568690..1c6a5bf1a86b 100644
--- a/arch/arm/boot/dts/tango4-smp8758.dtsi
+++ b/arch/arm/boot/dts/tango4-smp8758.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tango4-common.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/tango4-vantage-1172.dts b/arch/arm/boot/dts/tango4-vantage-1172.dts
index 13bcc460bcb2..d237d7f02c51 100644
--- a/arch/arm/boot/dts/tango4-vantage-1172.dts
+++ b/arch/arm/boot/dts/tango4-vantage-1172.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tango4-smp8758.dtsi"
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 5af4dd321952..acd6cf51b15b 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This dts file supports Dalmore A04.
  * Other board revisions are not supported
diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
index 966a7fc044af..7ed7370ee67a 100644
--- a/arch/arm/boot/dts/tegra114-roth.dts
+++ b/arch/arm/boot/dts/tegra114-roth.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts
index a161fa1dfb61..7fc4a8b31e45 100644
--- a/arch/arm/boot/dts/tegra114-tn7.dts
+++ b/arch/arm/boot/dts/tegra114-tn7.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 8932ea3afd5f..0e4a13295d8a 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra114-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra114-mc.h>
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi b/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
index accb7055165a..784a529e1f19 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	clock@60006000 {
 		emc-timings-3 {
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 61873d642a45..e8e777b8ef1b 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi b/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
index 4458e86b2769..9af21fe93a5c 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	clock@60006000 {
 		emc-timings-1 {
diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts b/arch/arm/boot/dts/tegra124-nyan-big.dts
index 12eb7809d9ab..d97791b98958 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra124-nyan.dtsi"
diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi b/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
index 4e7b59e25728..c7c31d4c1a2b 100644
--- a/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	clock@60006000 {
 		emc-timings-1 {
diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze.dts b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
index 1078a73d5092..2a029ee86dd7 100644
--- a/arch/arm/boot/dts/tegra124-nyan-blaze.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra124-nyan.dtsi"
diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
index 5cf987b5401e..3609367037a6 100644
--- a/arch/arm/boot/dts/tegra124-nyan.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 #include "tegra124.dtsi"
 
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 6e59cec0962b..32d9079f025b 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 8baf00b89efb..a7e43dcbf744 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra124-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra124-mc.h>
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index 1242b841f147..813ae34edd6a 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tegra20.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index 41749693ec3c..628a55a9318b 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index bb56dfe9e10c..40126388946d 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra20-colibri-512.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index 34c6588e92ef..cda5448c2ace 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index bfa9421fcf94..30436969adc0 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-plutux.dts b/arch/arm/boot/dts/tegra20-plutux.dts
index a10b415bbdee..429e4605fbdb 100644
--- a/arch/arm/boot/dts/tegra20-plutux.dts
+++ b/arch/arm/boot/dts/tegra20-plutux.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
index 2017acacc00c..284aae351ff2 100644
--- a/arch/arm/boot/dts/tegra20-seaboard.dts
+++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 7361f4a82e80..872046d48709 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tegra20.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/tegra20-tec.dts b/arch/arm/boot/dts/tegra20-tec.dts
index 9cb534f4441e..4dec27737238 100644
--- a/arch/arm/boot/dts/tegra20-tec.dts
+++ b/arch/arm/boot/dts/tegra20-tec.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index b902ab594afa..d55c6b240a30 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index 8f0aaabf7e28..ee3fbf941e79 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 7c85f97f72ea..914f59166a99 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra20-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index fc530e4a96c4..07b945b0391a 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index 7a6a1a014603..faa8cd2914e8 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tegra30.dtsi"
 
 /*
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index 3e104ddeb220..5331a8f7dcf8 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra30.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a02.dts b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
index c9bfedcca6ed..a02ec5082287 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a02.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra30-cardhu.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a04.dts b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
index fadf55e46b2b..4dbd4af679f0 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a04.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra30-cardhu.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 83dc14a9b353..92a9740c533f 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 #include "tegra30.dtsi"
 
diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index a8c0318743b6..3c5fb2430212 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra30-colibri.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi
index 5360d638eedc..139bfa028b04 100644
--- a/arch/arm/boot/dts/tegra30-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 #include "tegra30.dtsi"
 
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index 13960fda7471..c3e9f1e847db 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra30-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra30-mc.h>
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 409e069b3a84..4a51612996bc 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "skeleton.dtsi"
 
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index 9abe26028c8b..06a0fdf24026 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "versatile-ab.dts"
 
 / {
diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi
index 1b6f6393be93..b0021a816028 100644
--- a/arch/arm/boot/dts/vexpress-v2m.dtsi
+++ b/arch/arm/boot/dts/vexpress-v2m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
index 0c8de0ca73ee..a8ac4e2ed290 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index 65ecf206388c..a4c7713edfcd 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
index 6e69b8e6c1a7..32f1906ffecf 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
index c9305b58afc2..5814460e0549 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm/boot/dts/xenvm-4.2.dts b/arch/arm/boot/dts/xenvm-4.2.dts
index 336915151398..384cd92f1f84 100644
--- a/arch/arm/boot/dts/xenvm-4.2.dts
+++ b/arch/arm/boot/dts/xenvm-4.2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen Virtual Machine for unprivileged guests
  *
diff --git a/arch/arm/boot/dts/zx296702-ad1.dts b/arch/arm/boot/dts/zx296702-ad1.dts
index b0183c3a1d7c..eedd3fcbc002 100644
--- a/arch/arm/boot/dts/zx296702-ad1.dts
+++ b/arch/arm/boot/dts/zx296702-ad1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /dts-v1/;
 
diff --git a/arch/arm/boot/dts/zx296702.dtsi b/arch/arm/boot/dts/zx296702.dtsi
index d45c8fcd7ab4..752d28e0f9b0 100644
--- a/arch/arm/boot/dts/zx296702.dtsi
+++ b/arch/arm/boot/dts/zx296702.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include "skeleton.dtsi"
 #include <dt-bindings/clock/zx296702-clock.h>
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 1181053e3ade..e5ad0708849a 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SA1111
 	bool
 	select DMABOUNCE if !ARCH_PXA
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 29fdf6a3601d..70b4a14ed993 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index ec72752d5668..b8e69fe282b8 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 menuconfig ARM_CRYPTO
 	bool "ARM Accelerated Cryptographic Algorithms"
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index f2215fbeed13..30ef8e291271 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/arm/crypto/sha1.h b/arch/arm/crypto/sha1.h
index ffd8bd08b1a7..758db3e9ff0a 100644
--- a/arch/arm/crypto/sha1.h
+++ b/arch/arm/crypto/sha1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_ARM_CRYPTO_SHA1_H
 #define ASM_ARM_CRYPTO_SHA1_H
 
diff --git a/arch/arm/crypto/sha256_glue.h b/arch/arm/crypto/sha256_glue.h
index 7cf0bf786ada..9f0d578bab5f 100644
--- a/arch/arm/crypto/sha256_glue.h
+++ b/arch/arm/crypto/sha256_glue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_SHA256_GLUE_H
 #define _CRYPTO_SHA256_GLUE_H
 
diff --git a/arch/arm/crypto/sha512.h b/arch/arm/crypto/sha512.h
index a75d9a82988a..e14572be76d1 100644
--- a/arch/arm/crypto/sha512.h
+++ b/arch/arm/crypto/sha512.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 int sha512_arm_update(struct shash_desc *desc, const u8 *data,
 		      unsigned int len);
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index d4ebf5679f1f..9327e3a101dc 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_ARCH_TIMER_H
 #define __ASMARM_ARCH_TIMER_H
 
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index f5d698182d50..40f5c410fd8c 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BARRIER_H
 #define __ASM_BARRIER_H
 
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index f308c8c40cb9..ce5ee762ed66 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 1995, Russell King.
  * Various bits and pieces copyrights include:
diff --git a/arch/arm/include/asm/bitrev.h b/arch/arm/include/asm/bitrev.h
index ec291c350ea3..84ad8dde62d6 100644
--- a/arch/arm/include/asm/bitrev.h
+++ b/arch/arm/include/asm/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BITREV_H
 #define __ASM_BITREV_H
 
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index 2244a94ed9c9..237aa52d8733 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMARM_BUG_H
 #define _ASMARM_BUG_H
 
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 75fe66bc02b4..1d65ed3a2755 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/include/asm/cache.h
  */
diff --git a/arch/arm/include/asm/cachetype.h b/arch/arm/include/asm/cachetype.h
index 01509ae0bbec..e8c30430be33 100644
--- a/arch/arm/include/asm/cachetype.h
+++ b/arch/arm/include/asm/cachetype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_CACHETYPE_H
 #define __ASM_ARM_CACHETYPE_H
 
diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h
index 524692f4acab..20043e0ebb07 100644
--- a/arch/arm/include/asm/checksum.h
+++ b/arch/arm/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/include/asm/checksum.h
  *
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 97882f9bad12..8b701f8e175c 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_CMPXCHG_H
 #define __ASM_ARM_CMPXCHG_H
 
diff --git a/arch/arm/include/asm/compiler.h b/arch/arm/include/asm/compiler.h
index 29fe85e59439..5e94e67d1083 100644
--- a/arch/arm/include/asm/compiler.h
+++ b/arch/arm/include/asm/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_COMPILER_H
 #define __ASM_ARM_COMPILER_H
 
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
index dbdbce1b3a72..4c9fa72b59f5 100644
--- a/arch/arm/include/asm/cp15.h
+++ b/arch/arm/include/asm/cp15.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_CP15_H
 #define __ASM_ARM_CP15_H
 
diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h
index baefe1d51517..6b2ff7243b4b 100644
--- a/arch/arm/include/asm/cpuidle.h
+++ b/arch/arm/include/asm/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_CPUIDLE_H
 #define __ASM_ARM_CPUIDLE_H
 
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index b62eaeb147aa..441933311bbf 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_CPUTYPE_H
 #define __ASM_ARM_CPUTYPE_H
 
diff --git a/arch/arm/include/asm/cti.h b/arch/arm/include/asm/cti.h
index 2381199acb7d..f8500e5d6ea8 100644
--- a/arch/arm/include/asm/cti.h
+++ b/arch/arm/include/asm/cti.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_CTI_H
 #define __ASMARM_CTI_H
 
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index e986b7f717c4..4f80b72372b4 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995-2004 Russell King
  *
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 7d919a9b32e5..898e9c78a7e7 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_DIV64
 #define __ASM_ARM_DIV64
 
diff --git a/arch/arm/include/asm/dma-contiguous.h b/arch/arm/include/asm/dma-contiguous.h
index 4f8e9e5514b1..d785187a6f8a 100644
--- a/arch/arm/include/asm/dma-contiguous.h
+++ b/arch/arm/include/asm/dma-contiguous.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_DMA_CONTIGUOUS_H
 #define ASMARM_DMA_CONTIGUOUS_H
 
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index c090ec675eac..0722ec6be692 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_DMA_IOMMU_H
 #define ASMARM_DMA_IOMMU_H
 
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 4e0285a66ef8..3ca119997818 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_DMA_MAPPING_H
 #define ASMARM_DMA_MAPPING_H
 
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index bb4fa67da541..a81dda65c576 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_DMA_H
 #define __ASM_ARM_DMA_H
 
diff --git a/arch/arm/include/asm/ecard.h b/arch/arm/include/asm/ecard.h
index eaea14676d57..4befe8d2ae19 100644
--- a/arch/arm/include/asm/ecard.h
+++ b/arch/arm/include/asm/ecard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/ecard.h
  *
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index f13ae153fb24..8c5ca92a87a9 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_ELF_H
 #define __ASMARM_ELF_H
 
diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S
index 609184f522ee..dfc6bfa43012 100644
--- a/arch/arm/include/asm/entry-macro-multi.S
+++ b/arch/arm/include/asm/entry-macro-multi.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/assembler.h>
 
 /*
diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h
index bf1991263d2d..a7273ad9587a 100644
--- a/arch/arm/include/asm/exception.h
+++ b/arch/arm/include/asm/exception.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Annotations for marking C functions as exception handlers.
  *
diff --git a/arch/arm/include/asm/fiq.h b/arch/arm/include/asm/fiq.h
index d493d0b742a1..6bdfb4a47322 100644
--- a/arch/arm/include/asm/fiq.h
+++ b/arch/arm/include/asm/fiq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/include/asm/fiq.h
  *
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h
index 8f967d1373f6..472c93db5dac 100644
--- a/arch/arm/include/asm/fixmap.h
+++ b/arch/arm/include/asm/fixmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FIXMAP_H
 #define _ASM_FIXMAP_H
 
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 29d3a1524bce..f0c75ddeea23 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/flat.h -- uClinux flat-format executables
  */
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index f379881d5cc3..9e842ff41768 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_FTRACE
 #define _ASM_ARM_FTRACE
 
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index cc414382dab4..ffebe7b7a5b7 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_FUTEX_H
 #define _ASM_ARM_FUTEX_H
 
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index 504dcddebfcc..c50e383358c4 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_ARM_GPIO_H
 #define _ARCH_ARM_GPIO_H
 
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 3d7351c844aa..cba23eaa6072 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_HARDIRQ_H
 #define __ASM_HARDIRQ_H
 
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 076777ff3daa..e175c2384f28 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/arm/hardware/it8152.h
  *
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 8979fa3bbf2d..0bbf163d1ed3 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/hardware/sa1111.h
  *
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 0a0e2d1784c0..b03d3fa2e58d 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HIGHMEM_H
 #define _ASM_HIGHMEM_H
 
diff --git a/arch/arm/include/asm/hw_breakpoint.h b/arch/arm/include/asm/hw_breakpoint.h
index afcaf8bf971b..e46e4e7bdba3 100644
--- a/arch/arm/include/asm/hw_breakpoint.h
+++ b/arch/arm/include/asm/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARM_HW_BREAKPOINT_H
 #define _ARM_HW_BREAKPOINT_H
 
diff --git a/arch/arm/include/asm/hw_irq.h b/arch/arm/include/asm/hw_irq.h
index 9beb92914f4d..cecc13214ef1 100644
--- a/arch/arm/include/asm/hw_irq.h
+++ b/arch/arm/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Nothing to see here yet
  */
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index 6e183fd269fb..e31d9f1b8549 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_HWCAP_H
 #define __ASMARM_HWCAP_H
 
diff --git a/arch/arm/include/asm/hypervisor.h b/arch/arm/include/asm/hypervisor.h
index b90d9e523d6f..df8524365637 100644
--- a/arch/arm/include/asm/hypervisor.h
+++ b/arch/arm/include/asm/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_HYPERVISOR_H
 #define _ASM_ARM_HYPERVISOR_H
 
diff --git a/arch/arm/include/asm/ide.h b/arch/arm/include/asm/ide.h
index b507ce8e5019..a81e0b0d6747 100644
--- a/arch/arm/include/asm/ide.h
+++ b/arch/arm/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/include/asm/ide.h
  *
diff --git a/arch/arm/include/asm/idmap.h b/arch/arm/include/asm/idmap.h
index bf863edb517d..73ba956e379f 100644
--- a/arch/arm/include/asm/idmap.h
+++ b/arch/arm/include/asm/idmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IDMAP_H
 #define __ASM_IDMAP_H
 
diff --git a/arch/arm/include/asm/insn.h b/arch/arm/include/asm/insn.h
index e96065da4dae..f20e08ac85ae 100644
--- a/arch/arm/include/asm/insn.h
+++ b/arch/arm/include/asm/insn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_INSN_H
 #define __ASM_ARM_INSN_H
 
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index e53638c8ed8a..b6f319606e30 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_IRQ_H
 #define __ASM_ARM_IRQ_H
 
diff --git a/arch/arm/include/asm/irq_work.h b/arch/arm/include/asm/irq_work.h
index 712d03e5973a..8895999834cc 100644
--- a/arch/arm/include/asm/irq_work.h
+++ b/arch/arm/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_IRQ_WORK_H
 #define __ASM_ARM_IRQ_WORK_H
 
diff --git a/arch/arm/include/asm/irqflags.h b/arch/arm/include/asm/irqflags.h
index e6b70d9d084e..aeec7f24eb75 100644
--- a/arch/arm/include/asm/irqflags.h
+++ b/arch/arm/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_IRQFLAGS_H
 #define __ASM_ARM_IRQFLAGS_H
 
diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h
index 34f7b6980d21..e12d7d096fc0 100644
--- a/arch/arm/include/asm/jump_label.h
+++ b/arch/arm/include/asm/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_JUMP_LABEL_H
 #define _ASM_ARM_JUMP_LABEL_H
 
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index 25021b798a1e..22751b5b5735 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARM_KEXEC_H
 #define _ARM_KEXEC_H
 
diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h
index 0a9d5dd93294..3b73fdcf3627 100644
--- a/arch/arm/include/asm/kgdb.h
+++ b/arch/arm/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ARM KGDB support
  *
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index 83eb2f772911..5590940ee43d 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARM_KMAP_TYPES_H
 #define __ARM_KMAP_TYPES_H
 
diff --git a/arch/arm/include/asm/limits.h b/arch/arm/include/asm/limits.h
index 08d8c6600804..ab159371d786 100644
--- a/arch/arm/include/asm/limits.h
+++ b/arch/arm/include/asm/limits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PIPE_H
 #define __ASM_PIPE_H
 
diff --git a/arch/arm/include/asm/linkage.h b/arch/arm/include/asm/linkage.h
index 5a25632b1bc0..c4670694ada7 100644
--- a/arch/arm/include/asm/linkage.h
+++ b/arch/arm/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/arm/include/asm/mc146818rtc.h b/arch/arm/include/asm/mc146818rtc.h
index e8567bb99dfc..58922879a600 100644
--- a/arch/arm/include/asm/mc146818rtc.h
+++ b/arch/arm/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/arm/include/asm/mcs_spinlock.h b/arch/arm/include/asm/mcs_spinlock.h
index f652ad65840a..529d2cf4d06f 100644
--- a/arch/arm/include/asm/mcs_spinlock.h
+++ b/arch/arm/include/asm/mcs_spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MCS_LOCK_H
 #define __ASM_MCS_LOCK_H
 
diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h
index bf47a6c110a2..b10fd358ccc5 100644
--- a/arch/arm/include/asm/memblock.h
+++ b/arch/arm/include/asm/memblock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_MEMBLOCK_H
 #define _ASM_ARM_MEMBLOCK_H
 
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index a5b47421059d..65669b9ce128 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARM_MMU_H
 #define __ARM_MMU_H
 
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index ed2319663a1e..89ad0596033a 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_MODULE_H
 #define _ASM_ARM_MODULE_H
 
diff --git a/arch/arm/include/asm/mpu.h b/arch/arm/include/asm/mpu.h
index c3247cc2fe08..0c3f774fa4b5 100644
--- a/arch/arm/include/asm/mpu.h
+++ b/arch/arm/include/asm/mpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARM_MPU_H
 #define __ARM_MPU_H
 
diff --git a/arch/arm/include/asm/nwflash.h b/arch/arm/include/asm/nwflash.h
index 04e5a557a884..0ec6f07c2d8a 100644
--- a/arch/arm/include/asm/nwflash.h
+++ b/arch/arm/include/asm/nwflash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FLASH_H
 #define _FLASH_H
 
diff --git a/arch/arm/include/asm/paravirt.h b/arch/arm/include/asm/paravirt.h
index 8435ff591386..d51e5cd31d01 100644
--- a/arch/arm/include/asm/paravirt.h
+++ b/arch/arm/include/asm/paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_PARAVIRT_H
 #define _ASM_ARM_PARAVIRT_H
 
diff --git a/arch/arm/include/asm/patch.h b/arch/arm/include/asm/patch.h
index 77e054c2f6cd..0b48247c4600 100644
--- a/arch/arm/include/asm/patch.h
+++ b/arch/arm/include/asm/patch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARM_KERNEL_PATCH_H
 #define _ARM_KERNEL_PATCH_H
 
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 396c92bcc0cf..960d9dc4f380 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_PCI_H
 #define ASMARM_PCI_H
 
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
index 803bbf2b20b8..63dfe1f10335 100644
--- a/arch/arm/include/asm/sections.h
+++ b/arch/arm/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_SECTIONS_H
 #define _ASM_ARM_SECTIONS_H
 
diff --git a/arch/arm/include/asm/shmparam.h b/arch/arm/include/asm/shmparam.h
index a5223b3a9bf9..367a9dac6150 100644
--- a/arch/arm/include/asm/shmparam.h
+++ b/arch/arm/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMARM_SHMPARAM_H
 #define _ASMARM_SHMPARAM_H
 
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index c0eb412aff04..65530a042009 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMARM_SIGNAL_H
 #define _ASMARM_SIGNAL_H
 
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index f9080717fc88..f2c36acf9886 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ARM specific SMP header, this contains our implementation
  * details.
diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h
index 5983f6bc62d5..800f5228939f 100644
--- a/arch/arm/include/asm/smp_scu.h
+++ b/arch/arm/include/asm/smp_scu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_ARCH_SCU_H
 #define __ASMARM_ARCH_SCU_H
 
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 7b2899c2f7fc..312784ee9936 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_SMP_TWD_H
 #define __ASMARM_SMP_TWD_H
 
diff --git a/arch/arm/include/asm/sparsemem.h b/arch/arm/include/asm/sparsemem.h
index 73e5e8513751..d362233856a5 100644
--- a/arch/arm/include/asm/sparsemem.h
+++ b/arch/arm/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_SPARSEMEM_H
 #define ASMARM_SPARSEMEM_H
 
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index c030143c18c6..25cb465c8538 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_H
 #define __ASM_SPINLOCK_H
 
diff --git a/arch/arm/include/asm/spinlock_types.h b/arch/arm/include/asm/spinlock_types.h
index 47663fcb10ad..5976958647fe 100644
--- a/arch/arm/include/asm/spinlock_types.h
+++ b/arch/arm/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_TYPES_H
 #define __ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/arm/include/asm/stackprotector.h b/arch/arm/include/asm/stackprotector.h
index de003327be97..ef5f7b69443e 100644
--- a/arch/arm/include/asm/stackprotector.h
+++ b/arch/arm/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GCC stack protector support.
  *
diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h
index 7722201ead19..2d76a2e29f05 100644
--- a/arch/arm/include/asm/stacktrace.h
+++ b/arch/arm/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_STACKTRACE_H
 #define __ASM_STACKTRACE_H
 
diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h
index fe1c6af3a1b1..f54a3136aac6 100644
--- a/arch/arm/include/asm/string.h
+++ b/arch/arm/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_STRING_H
 #define __ASM_ARM_STRING_H
 
diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h
index a61905c86732..452bbdcbcc83 100644
--- a/arch/arm/include/asm/suspend.h
+++ b/arch/arm/include/asm/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_SUSPEND_H
 #define __ASM_ARM_SUSPEND_H
 
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
index 537fc9b91889..c6051823048b 100644
--- a/arch/arm/include/asm/swab.h
+++ b/arch/arm/include/asm/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/include/asm/byteorder.h
  *
diff --git a/arch/arm/include/asm/switch_to.h b/arch/arm/include/asm/switch_to.h
index 12ebfcc1d539..d3e937dcee4d 100644
--- a/arch/arm/include/asm/switch_to.h
+++ b/arch/arm/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_SWITCH_TO_H
 #define __ASM_ARM_SWITCH_TO_H
 
diff --git a/arch/arm/include/asm/sync_bitops.h b/arch/arm/include/asm/sync_bitops.h
index 9732b8e11e63..39ff217136d1 100644
--- a/arch/arm/include/asm/sync_bitops.h
+++ b/arch/arm/include/asm/sync_bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SYNC_BITOPS_H__
 #define __ASM_SYNC_BITOPS_H__
 
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index e86c985b8c7a..06dea6bce293 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Access to user system call parameters and results
  *
diff --git a/arch/arm/include/asm/system_info.h b/arch/arm/include/asm/system_info.h
index 3860cbd401ec..ef7fdb588b5f 100644
--- a/arch/arm/include/asm/system_info.h
+++ b/arch/arm/include/asm/system_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_SYSTEM_INFO_H
 #define __ASM_ARM_SYSTEM_INFO_H
 
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index 8c4a89f5ce7d..78f6db114faf 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_SYSTEM_MISC_H
 #define __ASM_ARM_SYSTEM_MISC_H
 
diff --git a/arch/arm/include/asm/therm.h b/arch/arm/include/asm/therm.h
index f002f0197d78..17b0bc9b5e9b 100644
--- a/arch/arm/include/asm/therm.h
+++ b/arch/arm/include/asm/therm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
  *  DS1620 thermometer driver (as used in the Rebel.com NetWinder)
diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h
index 5f833f7adba1..5a66c3b13c92 100644
--- a/arch/arm/include/asm/tls.h
+++ b/arch/arm/include/asm/tls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMARM_TLS_H
 #define __ASMARM_TLS_H
 
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 370f7a732900..f59ab9bcbaf9 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_TOPOLOGY_H
 #define _ASM_ARM_TOPOLOGY_H
 
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index 683d9230984a..f9a6c5fc3fd1 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMARM_TRAP_H
 #define _ASMARM_TRAP_H
 
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index 921d8274855c..3f0d95ab14b8 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMARM_UCONTEXT_H
 #define _ASMARM_UCONTEXT_H
 
diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h
index 35917b3a97f9..c799a3c49342 100644
--- a/arch/arm/include/asm/user.h
+++ b/arch/arm/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARM_USER_H
 #define _ARM_USER_H
 
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h
index 1fd775c1bc5d..e6d9e29fcae4 100644
--- a/arch/arm/include/asm/v7m.h
+++ b/arch/arm/include/asm/v7m.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common defines for v7m cpus
  */
diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index d0295f1dd1a3..9c99e817535e 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_VDSO_H
 #define __ASM_VDSO_H
 
diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h
index 22e414056a8c..7157d2a30a49 100644
--- a/arch/arm/include/asm/vfp.h
+++ b/arch/arm/include/asm/vfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/vfp.h
  *
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 301c1db3e99b..ef5dfedacd8d 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/include/asm/vfpmacros.h
  *
diff --git a/arch/arm/include/asm/vga.h b/arch/arm/include/asm/vga.h
index 91f40217bfa5..7c0bee57855a 100644
--- a/arch/arm/include/asm/vga.h
+++ b/arch/arm/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_VGA_H
 #define ASMARM_VGA_H
 
diff --git a/arch/arm/include/asm/word-at-a-time.h b/arch/arm/include/asm/word-at-a-time.h
index 5831dce4b51c..352ab213520d 100644
--- a/arch/arm/include/asm/word-at-a-time.h
+++ b/arch/arm/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARM_WORD_AT_A_TIME_H
 #define __ASM_ARM_WORD_AT_A_TIME_H
 
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
index 620dc75362e5..c83086f745cf 100644
--- a/arch/arm/include/asm/xen/events.h
+++ b/arch/arm/include/asm/xen/events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_XEN_EVENTS_H
 #define _ASM_ARM_XEN_EVENTS_H
 
diff --git a/arch/arm/include/debug/palmchip.S b/arch/arm/include/debug/palmchip.S
index 6824b2d1c38e..aed59332e487 100644
--- a/arch/arm/include/debug/palmchip.S
+++ b/arch/arm/include/debug/palmchip.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/serial_reg.h>
 
 #undef UART_TX
diff --git a/arch/arm/include/debug/uncompress.h b/arch/arm/include/debug/uncompress.h
index 0e2949b0fae9..ff0b227290cb 100644
--- a/arch/arm/include/debug/uncompress.h
+++ b/arch/arm/include/debug/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_DEBUG_UNCOMPRESS
 extern void putc(int c);
 #else
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild
index 8e17fe80b55b..4d53de308ee0 100644
--- a/arch/arm/include/uapi/asm/Kbuild
+++ b/arch/arm/include/uapi/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index ad325a8c7e1e..499f978fb1fd 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/kernel/atags.h b/arch/arm/kernel/atags.h
index edfa2268c127..201100226301 100644
--- a/arch/arm/kernel/atags.h
+++ b/arch/arm/kernel/atags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 void convert_to_tag_list(struct tag *tags);
 
 #ifdef CONFIG_ATAGS
diff --git a/arch/arm/kernel/atags_proc.c b/arch/arm/kernel/atags_proc.c
index 5a3379055f55..312cb89ec364 100644
--- a/arch/arm/kernel/atags_proc.c
+++ b/arch/arm/kernel/atags_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/proc_fs.h>
 #include <asm/setup.h>
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index c1809fb549dd..0cd0aefb3a8f 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/kernel/bios32.c
  *
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index d0d1e83150c9..846dda2f3c48 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/personality.h>
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 6391728c8f03..d523cd8439a3 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 #include <linux/linkage.h>
 
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 059c3da0fee3..cd1234c103fc 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/kernel/fiq.c
  *
diff --git a/arch/arm/kernel/insn.c b/arch/arm/kernel/insn.c
index b760340b7014..2e844b70386b 100644
--- a/arch/arm/kernel/insn.c
+++ b/arch/arm/kernel/insn.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/kernel.h>
 #include <asm/opcodes.h>
diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c
index eedefe050022..60b621295d6c 100644
--- a/arch/arm/kernel/io.c
+++ b/arch/arm/kernel/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/types.h>
 #include <linux/io.h>
diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c
index 845a5dd9c42b..90bce3d9928e 100644
--- a/arch/arm/kernel/jump_label.c
+++ b/arch/arm/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/jump_label.h>
 #include <asm/patch.h>
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index 1bb4c40a3135..caa0dbe3dc61 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/kernel/kgdb.c
  *
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index fe1419eeb932..6b38d7a634c1 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * machine_kexec.c - handle transition of Linux booting another kernel
  */
diff --git a/arch/arm/kernel/module.lds b/arch/arm/kernel/module.lds
index eacb5c67f61e..79cb6af565e5 100644
--- a/arch/arm/kernel/module.lds
+++ b/arch/arm/kernel/module.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 SECTIONS {
 	.plt : { BYTE(0) }
 	.init.plt : { BYTE(0) }
diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c
index a1a34722c655..a50dc00d79a2 100644
--- a/arch/arm/kernel/patch.c
+++ b/arch/arm/kernel/patch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/spinlock.h>
 #include <linux/kprobes.h>
diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c
index 22bf1f64d99a..08e43a32a693 100644
--- a/arch/arm/kernel/perf_callchain.c
+++ b/arch/arm/kernel/perf_callchain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM callchain support
  *
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 8226d0b71fd3..1d7061a38922 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARMv6 Performance counter handling code.
  *
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index ab6522b43659..870b66c1e4ef 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARMv7 Cortex-A8 and Cortex-A9 Performance Events handling code.
  *
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 0e51f5e4f879..fcf218da660e 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARMv5 [xscale] Performance counter handling code.
  *
diff --git a/arch/arm/kernel/perf_regs.c b/arch/arm/kernel/perf_regs.c
index c366b83bf955..05fe92aa7d98 100644
--- a/arch/arm/kernel/perf_regs.c
+++ b/arch/arm/kernel/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/errno.h>
 #include <linux/kernel.h>
diff --git a/arch/arm/kernel/reboot.h b/arch/arm/kernel/reboot.h
index bf7a0b1f076e..189ab81b77b6 100644
--- a/arch/arm/kernel/reboot.h
+++ b/arch/arm/kernel/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef REBOOT_H
 #define REBOOT_H
 
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index 35e72585ec1d..7eaa2ae7aff5 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * relocate_kernel.S - put the kernel image in place to boot
  */
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index 9f08d214d05a..a8257fc9cf2a 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <linux/threads.h>
 #include <asm/asm-offsets.h>
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c
index ef794c799cb6..a40ebb7c0896 100644
--- a/arch/arm/kernel/suspend.c
+++ b/arch/arm/kernel/suspend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>
diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S
index 8265b116218d..0951df916b85 100644
--- a/arch/arm/kernel/vmlinux-xip.lds.S
+++ b/arch/arm/kernel/vmlinux-xip.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make ARM Linux kernel
  * taken from the i386 version by Russell King
  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index c83a7ba737d6..1845a5affb44 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make ARM Linux kernel
  * taken from the i386 version by Russell King
  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 90d0176fb30d..f24628db5409 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/arm/kvm/Makefile b/arch/arm/kvm/Makefile
index d9beee652d36..f550abd64a25 100644
--- a/arch/arm/kvm/Makefile
+++ b/arch/arm/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Kernel-based Virtual Machine module
 #
diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
index 8679405b0b2b..5fca24d52fe6 100644
--- a/arch/arm/kvm/hyp/Makefile
+++ b/arch/arm/kvm/hyp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Kernel-based Virtual Machine module, HYP part
 #
diff --git a/arch/arm/kvm/trace.h b/arch/arm/kvm/trace.h
index b0d10648c486..69a9d62a0ac6 100644
--- a/arch/arm/kvm/trace.h
+++ b/arch/arm/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_ARM_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_ARM_KVM_H
 
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 27f4d96258a2..4cb0b9624d8f 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/arm/lib/Makefile
 #
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index 7d807cfd8ef5..93cddab73072 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/assembler.h>
 #include <asm/unwind.h>
 
diff --git a/arch/arm/lib/bswapsdi2.S b/arch/arm/lib/bswapsdi2.S
index 07cda737bb11..591ba077e874 100644
--- a/arch/arm/lib/bswapsdi2.S
+++ b/arch/arm/lib/bswapsdi2.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
diff --git a/arch/arm/mach-actions/Kconfig b/arch/arm/mach-actions/Kconfig
index ad9c5c89c683..b5e0ac965ec0 100644
--- a/arch/arm/mach-actions/Kconfig
+++ b/arch/arm/mach-actions/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_ACTIONS
 	bool "Actions Semi SoCs"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-alpine/Kconfig b/arch/arm/mach-alpine/Kconfig
index b41838a58ae4..e3cbb07fe1b4 100644
--- a/arch/arm/mach-alpine/Kconfig
+++ b/arch/arm/mach-alpine/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_ALPINE
 	bool "Annapurna Labs Alpine platform"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index ee34aa34cc51..4ea93c9df77b 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-at91/pm_data-offsets.c b/arch/arm/mach-at91/pm_data-offsets.c
index c0a73e62b725..f2d893c03cd9 100644
--- a/arch/arm/mach-at91/pm_data-offsets.c
+++ b/arch/arm/mach-at91/pm_data-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/stddef.h>
 #include <linux/kbuild.h>
 #include "pm.h"
diff --git a/arch/arm/mach-axxia/Kconfig b/arch/arm/mach-axxia/Kconfig
index fe627cbcfdc5..bb2ce1c63fd9 100644
--- a/arch/arm/mach-axxia/Kconfig
+++ b/arch/arm/mach-axxia/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_AXXIA
 	bool "LSI Axxia platforms"
 	depends on ARCH_MULTI_V7 && ARM_LPAE
diff --git a/arch/arm/mach-axxia/Makefile b/arch/arm/mach-axxia/Makefile
index ec4f68b460c6..8df8fe76ad47 100644
--- a/arch/arm/mach-axxia/Makefile
+++ b/arch/arm/mach-axxia/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= axxia.o
 obj-$(CONFIG_SMP)		+= platsmp.o
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 73be3d578851..5d2925e2ce1f 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_BCM
 	bool "Broadcom SoC Support"
 	depends on ARCH_MULTI_V6_V7
diff --git a/arch/arm/mach-bcm/bcm63xx_smp.h b/arch/arm/mach-bcm/bcm63xx_smp.h
index 9c6d50e2b111..4e742604a0fd 100644
--- a/arch/arm/mach-bcm/bcm63xx_smp.h
+++ b/arch/arm/mach-bcm/bcm63xx_smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_SMP_H
 #define __BCM63XX_SMP_H
 
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index f385b1fcafef..fc9188b54dd6 100644
--- a/arch/arm/mach-clps711x/Kconfig
+++ b/arch/arm/mach-clps711x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_CLPS711X
 	bool "Cirrus Logic EP721x/EP731x-based"
 	depends on ARCH_MULTI_V4T
diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile
index bd0b7b5d6e9d..f18f330f5364 100644
--- a/arch/arm/mach-clps711x/Makefile
+++ b/arch/arm/mach-clps711x/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += board-dt.o
diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig
index 5fd836be2701..1ecf5466931e 100644
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_CNS3XXX
 	bool "Cavium Networks CNS3XXX family"
 	depends on ARCH_MULTI_V6
diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile
index a1ff10848698..52ca6ed62304 100644
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx.o
 cns3xxx-y				+= core.o pm.o
 cns3xxx-$(CONFIG_ATAGS)			+= devices.o
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 36c8f5324e43..05c3eecf47cb 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ARCH_DAVINCI
 
 config AINTC
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index df96ca9eab6d..4e8178050027 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index 4b81601754a2..d36b251f325b 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 zreladdr-$(CONFIG_ARCH_DAVINCI_DA8XX)		+= 0xc0008000
 params_phys-$(CONFIG_ARCH_DAVINCI_DA8XX)	:= 0xc0000100
 initrd_phys-$(CONFIG_ARCH_DAVINCI_DA8XX)	:= 0xc0800000
diff --git a/arch/arm/mach-davinci/asp.h b/arch/arm/mach-davinci/asp.h
index 1128e1d8e4b4..495aa6907cbc 100644
--- a/arch/arm/mach-davinci/asp.h
+++ b/arch/arm/mach-davinci/asp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * TI DaVinci Audio definitions
  */
diff --git a/arch/arm/mach-davinci/ddr2.h b/arch/arm/mach-davinci/ddr2.h
index c19e047d0e6a..4f7d7824b0c9 100644
--- a/arch/arm/mach-davinci/ddr2.h
+++ b/arch/arm/mach-davinci/ddr2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define DDR2_SDRCR_OFFSET	0xc
 #define DDR2_SRPD_BIT		(1 << 23)
 #define DDR2_MCLKSTOPEN_BIT	(1 << 30)
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
index 9a6af0bd5dc3..d480a02e1298 100644
--- a/arch/arm/mach-davinci/usb-da8xx.c
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DA8xx USB
  */
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 0e7e89c1f331..31ed7aa47227 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * USB
  */
diff --git a/arch/arm/mach-digicolor/Kconfig b/arch/arm/mach-digicolor/Kconfig
index 9d05c6c4181d..90394433c405 100644
--- a/arch/arm/mach-digicolor/Kconfig
+++ b/arch/arm/mach-digicolor/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_DIGICOLOR
 	bool "Conexant Digicolor SoC Support"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
index 0bd6d894c597..7747fe64420a 100644
--- a/arch/arm/mach-dove/Kconfig
+++ b/arch/arm/mach-dove/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ARCH_DOVE
 
 menu "Marvell Dove Implementations"
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
index b608a21919fb..cdf163cab738 100644
--- a/arch/arm/mach-dove/Makefile
+++ b/arch/arm/mach-dove/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= common.o
 obj-$(CONFIG_DOVE_LEGACY)	+= irq.o mpp.o
 obj-$(CONFIG_PCI)		+= pcie.o
diff --git a/arch/arm/mach-dove/mpp.h b/arch/arm/mach-dove/mpp.h
index fbec7c52bfac..2e4b89c86ca8 100644
--- a/arch/arm/mach-dove/mpp.h
+++ b/arch/arm/mach-dove/mpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_DOVE_MPP_CODED_H
 #define __ARCH_DOVE_MPP_CODED_H
 
diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c
index b57980b435fd..3c44dd3596ea 100644
--- a/arch/arm/mach-ebsa110/io.c
+++ b/arch/arm/mach-ebsa110/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mach-ebsa110/isamem.c
  *
diff --git a/arch/arm/mach-efm32/dtmachine.c b/arch/arm/mach-efm32/dtmachine.c
index 2367495193c1..e9364b843641 100644
--- a/arch/arm/mach-efm32/dtmachine.c
+++ b/arch/arm/mach-efm32/dtmachine.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 
 #include <asm/v7m.h>
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index b7ae4345ac08..86768495f61d 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index c64d74246602..6839ea032e58 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
  */
diff --git a/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
index 6d7c571a519f..242af4a401ea 100644
--- a/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Include file for the EP93XX GPIO controller machine specifics */
 
 #ifndef __GPIO_EP93XX_H
diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h
index efcd47815a91..8938906e780a 100644
--- a/arch/arm/mach-ep93xx/include/mach/hardware.h
+++ b/arch/arm/mach-ep93xx/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ep93xx/include/mach/hardware.h
  */
diff --git a/arch/arm/mach-ep93xx/include/mach/irqs.h b/arch/arm/mach-ep93xx/include/mach/irqs.h
index ff98390bbf0f..244daf83ce6d 100644
--- a/arch/arm/mach-ep93xx/include/mach/irqs.h
+++ b/arch/arm/mach-ep93xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ep93xx/include/mach/irqs.h
  */
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index db0839691ef5..3bbe1591013e 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ep93xx/include/mach/platform.h
  */
diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c
index 874cbc91b669..de998830f534 100644
--- a/arch/arm/mach-ep93xx/timer-ep93xx.c
+++ b/arch/arm/mach-ep93xx/timer-ep93xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/clocksource.h>
diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h
index 2255ba29fdd6..b89850f1a965 100644
--- a/arch/arm/mach-ep93xx/ts72xx.h
+++ b/arch/arm/mach-ep93xx/ts72xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ep93xx/include/mach/ts72xx.h
  */
diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile
index e83d5c8396ff..a09f1041f141 100644
--- a/arch/arm/mach-footbridge/Makefile
+++ b/arch/arm/mach-footbridge/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 8f05489671b7..e575dc0698cd 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/cats-hw.c
  *
diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c
index 5cec2567c9c5..0b2fd7e2e9b4 100644
--- a/arch/arm/mach-footbridge/cats-pci.c
+++ b/arch/arm/mach-footbridge/cats-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/cats-pci.c
  *
diff --git a/arch/arm/mach-footbridge/common.h b/arch/arm/mach-footbridge/common.h
index b911e5587ecf..e12587db59c4 100644
--- a/arch/arm/mach-footbridge/common.h
+++ b/arch/arm/mach-footbridge/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/reboot.h>
 
 extern void footbridge_timer_init(void);
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 75395a720e63..f76212d2dbf1 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mach-footbridge/dc21285-timer.c
  *
diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c
index 22536b85a81d..86618074a7a5 100644
--- a/arch/arm/mach-footbridge/dma.c
+++ b/arch/arm/mach-footbridge/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/kernel/dma-ebsa285.c
  *
diff --git a/arch/arm/mach-footbridge/ebsa285-pci.c b/arch/arm/mach-footbridge/ebsa285-pci.c
index fd12d8a36dc5..6f28aaa9ca79 100644
--- a/arch/arm/mach-footbridge/ebsa285-pci.c
+++ b/arch/arm/mach-footbridge/ebsa285-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/ebsa285-pci.c
  *
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index aee8300f3490..21cf9a358b90 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/ebsa285.c
  *
diff --git a/arch/arm/mach-footbridge/include/mach/irqs.h b/arch/arm/mach-footbridge/include/mach/irqs.h
index 61c714c4920e..a5f41846ab9c 100644
--- a/arch/arm/mach-footbridge/include/mach/irqs.h
+++ b/arch/arm/mach-footbridge/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-footbridge/include/mach/irqs.h
  *
diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h
index 5bd4a0d338a8..8a1b991076e1 100644
--- a/arch/arm/mach-footbridge/include/mach/isa-dma.h
+++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/arm/mach-footbridge/include/mach/isa-dma.h
  *
diff --git a/arch/arm/mach-footbridge/isa-rtc.c b/arch/arm/mach-footbridge/isa-rtc.c
index 07fde4051f78..b8f741a3a37e 100644
--- a/arch/arm/mach-footbridge/isa-rtc.c
+++ b/arch/arm/mach-footbridge/isa-rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/arm/mach-footbridge/isa-rtc.c
  *
diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index b73f52e196b9..82f45591fb2c 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mach-footbridge/isa-timer.c
  *
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index cdee08c6d239..5f7265b1b34c 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/netwinder-hw.c
  *
diff --git a/arch/arm/mach-footbridge/netwinder-pci.c b/arch/arm/mach-footbridge/netwinder-pci.c
index 0fba5134e4fe..9473aa0305e5 100644
--- a/arch/arm/mach-footbridge/netwinder-pci.c
+++ b/arch/arm/mach-footbridge/netwinder-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/netwinder-pci.c
  *
diff --git a/arch/arm/mach-footbridge/personal-pci.c b/arch/arm/mach-footbridge/personal-pci.c
index 5c9ee54613b2..4391e433a4b2 100644
--- a/arch/arm/mach-footbridge/personal-pci.c
+++ b/arch/arm/mach-footbridge/personal-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/personal-pci.c
  *
diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c
index 7bdeabdcd4d8..ca715754fc00 100644
--- a/arch/arm/mach-footbridge/personal.c
+++ b/arch/arm/mach-footbridge/personal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-footbridge/personal.c
  *
diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c
index c0c0ebdd551e..de0afcc8d94a 100644
--- a/arch/arm/mach-gemini/board-dt.c
+++ b/arch/arm/mach-gemini/board-dt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Gemini Device Tree boot support
  */
diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h
index 7ec5edcd1336..3991a6594ae5 100644
--- a/arch/arm/mach-highbank/core.h
+++ b/arch/arm/mach-highbank/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HIGHBANK_CORE_H
 #define __HIGHBANK_CORE_H
 
diff --git a/arch/arm/mach-hisi/core.h b/arch/arm/mach-hisi/core.h
index c58b68ab0cb6..61245274fdaf 100644
--- a/arch/arm/mach-hisi/core.h
+++ b/arch/arm/mach-hisi/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HISILICON_CORE_H
 #define __HISILICON_CORE_H
 
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index cab128913e72..8ff71058207d 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y := cpu.o system.o irq-common.o
 
 obj-$(CONFIG_SOC_IMX21) += mm-imx21.o
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 94906ed49392..d4e55f2a897e 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/module.h>
 #include <linux/io.h>
diff --git a/arch/arm/mach-imx/devices/Makefile b/arch/arm/mach-imx/devices/Makefile
index aa6cee870795..e44758aaa11c 100644
--- a/arch/arm/mach-imx/devices/Makefile
+++ b/arch/arm/mach-imx/devices/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y := devices.o
 
 obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o
diff --git a/arch/arm/mach-imx/ehci.h b/arch/arm/mach-imx/ehci.h
index 0e060023db8b..b7ad6175f5bf 100644
--- a/arch/arm/mach-imx/ehci.h
+++ b/arch/arm/mach-imx/ehci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_IMX_EHCI_H
 #define __MACH_IMX_EHCI_H
 
diff --git a/arch/arm/mach-imx/mx31.h b/arch/arm/mach-imx/mx31.h
index ee9b1f9215df..d9574671ca5c 100644
--- a/arch/arm/mach-imx/mx31.h
+++ b/arch/arm/mach-imx/mx31.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MX31_H__
 #define __MACH_MX31_H__
 
diff --git a/arch/arm/mach-imx/mx35.h b/arch/arm/mach-imx/mx35.h
index 2af5d3a699c7..760de6a0af7e 100644
--- a/arch/arm/mach-imx/mx35.h
+++ b/arch/arm/mach-imx/mx35.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MX35_H__
 #define __MACH_MX35_H__
 
diff --git a/arch/arm/mach-imx/pcm037.h b/arch/arm/mach-imx/pcm037.h
index 7d167690e17d..470d3c887e14 100644
--- a/arch/arm/mach-imx/pcm037.h
+++ b/arch/arm/mach-imx/pcm037.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PCM037_H__
 #define __PCM037_H__
 
diff --git a/arch/arm/mach-imx/ulpi.h b/arch/arm/mach-imx/ulpi.h
index 23f5c0349e80..b367902c9c32 100644
--- a/arch/arm/mach-imx/ulpi.h
+++ b/arch/arm/mach-imx/ulpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_ULPI_H
 #define __MACH_ULPI_H
 
diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile
index 1ebe45356b09..a5a4470db482 100644
--- a/arch/arm/mach-integrator/Makefile
+++ b/arch/arm/mach-integrator/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-integrator/cm.h b/arch/arm/mach-integrator/cm.h
index 5b8ba8247f45..f09ea18a50f8 100644
--- a/arch/arm/mach-integrator/cm.h
+++ b/arch/arm/mach-integrator/cm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * access the core module control register.
  */
diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h
index 96c9dc56cabf..f053aeebeb7a 100644
--- a/arch/arm/mach-integrator/common.h
+++ b/arch/arm/mach-integrator/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/reboot.h>
 #include <linux/amba/serial.h>
 extern struct amba_pl010_data ap_uart_data;
diff --git a/arch/arm/mach-integrator/impd1.h b/arch/arm/mach-integrator/impd1.h
index 76de4dc9bee4..36124d34c8f7 100644
--- a/arch/arm/mach-integrator/impd1.h
+++ b/arch/arm/mach-integrator/impd1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define IMPD1_LEDS	0x0c
 #define IMPD1_INT	0x10
 #define IMPD1_SW	0x14
diff --git a/arch/arm/mach-integrator/lm.h b/arch/arm/mach-integrator/lm.h
index 28186b6f2c09..172966a699bd 100644
--- a/arch/arm/mach-integrator/lm.h
+++ b/arch/arm/mach-integrator/lm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 struct lm_device {
 	struct device		dev;
diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h
index 06a9e2e7d007..cafc7174baab 100644
--- a/arch/arm/mach-integrator/pci_v3.h
+++ b/arch/arm/mach-integrator/pci_v3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Simple oneliner include to the PCIv3 early init */
 #ifdef CONFIG_PCI
 extern int pci_v3_early_init(void);
diff --git a/arch/arm/mach-iop13xx/Kconfig b/arch/arm/mach-iop13xx/Kconfig
index 40c2d689f2eb..c4f04070b4c1 100644
--- a/arch/arm/mach-iop13xx/Kconfig
+++ b/arch/arm/mach-iop13xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ARCH_IOP13XX
 
 menu "IOP13XX Implementation Options"
diff --git a/arch/arm/mach-iop13xx/Makefile b/arch/arm/mach-iop13xx/Makefile
index a3d9260e335f..5757c8f6e371 100644
--- a/arch/arm/mach-iop13xx/Makefile
+++ b/arch/arm/mach-iop13xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ARCH_IOP13XX) += setup.o
 obj-$(CONFIG_ARCH_IOP13XX) += irq.o
 obj-$(CONFIG_ARCH_IOP13XX) += pci.o
diff --git a/arch/arm/mach-iop13xx/include/mach/hardware.h b/arch/arm/mach-iop13xx/include/mach/hardware.h
index 786fa266fab3..8c943fa6bbd7 100644
--- a/arch/arm/mach-iop13xx/include/mach/hardware.h
+++ b/arch/arm/mach-iop13xx/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_HARDWARE_H
 #define __ASM_ARCH_HARDWARE_H
 #include <asm/types.h>
diff --git a/arch/arm/mach-iop13xx/include/mach/iop13xx.h b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
index 9311ee2126d6..04bb6aca12c5 100644
--- a/arch/arm/mach-iop13xx/include/mach/iop13xx.h
+++ b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP13XX_HW_H_
 #define _IOP13XX_HW_H_
 
diff --git a/arch/arm/mach-iop13xx/include/mach/iq81340.h b/arch/arm/mach-iop13xx/include/mach/iq81340.h
index ba2cf931e9ce..d7ad27a95558 100644
--- a/arch/arm/mach-iop13xx/include/mach/iq81340.h
+++ b/arch/arm/mach-iop13xx/include/mach/iq81340.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IQ81340_H_
 #define _IQ81340_H_
 
diff --git a/arch/arm/mach-iop13xx/include/mach/irqs.h b/arch/arm/mach-iop13xx/include/mach/irqs.h
index e8d24d32121a..cd6b6375c050 100644
--- a/arch/arm/mach-iop13xx/include/mach/irqs.h
+++ b/arch/arm/mach-iop13xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP13XX_IRQS_H_
 #define _IOP13XX_IRQS_H_
 
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h
index 59307e787588..32da0e09c6a3 100644
--- a/arch/arm/mach-iop13xx/include/mach/memory.h
+++ b/arch/arm/mach-iop13xx/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
diff --git a/arch/arm/mach-iop13xx/include/mach/time.h b/arch/arm/mach-iop13xx/include/mach/time.h
index c871e6874594..2c2d7532d5c3 100644
--- a/arch/arm/mach-iop13xx/include/mach/time.h
+++ b/arch/arm/mach-iop13xx/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP13XX_TIME_H_
 #define _IOP13XX_TIME_H_
 
diff --git a/arch/arm/mach-iop13xx/include/mach/uncompress.h b/arch/arm/mach-iop13xx/include/mach/uncompress.h
index d3791ece2772..c62903041d11 100644
--- a/arch/arm/mach-iop13xx/include/mach/uncompress.h
+++ b/arch/arm/mach-iop13xx/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/types.h>
 #include <linux/serial_reg.h>
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-iop13xx/msi.h b/arch/arm/mach-iop13xx/msi.h
index b80c5ae17e99..766dcfaaa353 100644
--- a/arch/arm/mach-iop13xx/msi.h
+++ b/arch/arm/mach-iop13xx/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP13XX_MSI_H_
 #define _IOP13XX_MSI_H_
 #ifdef CONFIG_PCI_MSI
diff --git a/arch/arm/mach-iop13xx/pci.h b/arch/arm/mach-iop13xx/pci.h
index 8dc343cb887a..736168d8c7ac 100644
--- a/arch/arm/mach-iop13xx/pci.h
+++ b/arch/arm/mach-iop13xx/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP13XX_PCI_H_
 #define _IOP13XX_PCI_H_
 #include <linux/io.h>
diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig
index 5e8c6f7dfabb..f1f342cb0509 100644
--- a/arch/arm/mach-iop32x/Kconfig
+++ b/arch/arm/mach-iop32x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ARCH_IOP32X
 
 menu "IOP32x Implementation Options"
diff --git a/arch/arm/mach-iop32x/Makefile b/arch/arm/mach-iop32x/Makefile
index 2d4010abb82f..71d62447d4d5 100644
--- a/arch/arm/mach-iop32x/Makefile
+++ b/arch/arm/mach-iop32x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h
index 3c7309c02029..20af87e4c5e8 100644
--- a/arch/arm/mach-iop32x/gpio-iop32x.h
+++ b/arch/arm/mach-iop32x/gpio-iop32x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static struct resource iop32x_gpio_res[] = {
 	DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
 };
diff --git a/arch/arm/mach-iop32x/include/mach/adma.h b/arch/arm/mach-iop32x/include/mach/adma.h
index 5ed92037dd10..2b20063123ad 100644
--- a/arch/arm/mach-iop32x/include/mach/adma.h
+++ b/arch/arm/mach-iop32x/include/mach/adma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IOP32X_ADMA_H
 #define IOP32X_ADMA_H
 #include <asm/hardware/iop3xx-adma.h>
diff --git a/arch/arm/mach-iop32x/include/mach/glantank.h b/arch/arm/mach-iop32x/include/mach/glantank.h
index 958eb91c0913..b9df2e4614cf 100644
--- a/arch/arm/mach-iop32x/include/mach/glantank.h
+++ b/arch/arm/mach-iop32x/include/mach/glantank.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/glantank.h
  *
diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h
index 48cb1b20ba91..6e5303e60226 100644
--- a/arch/arm/mach-iop32x/include/mach/hardware.h
+++ b/arch/arm/mach-iop32x/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/hardware.h
  */
diff --git a/arch/arm/mach-iop32x/include/mach/iq31244.h b/arch/arm/mach-iop32x/include/mach/iq31244.h
index 6b6b369e781c..e62da5da6ed4 100644
--- a/arch/arm/mach-iop32x/include/mach/iq31244.h
+++ b/arch/arm/mach-iop32x/include/mach/iq31244.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/iq31244.h
  *
diff --git a/arch/arm/mach-iop32x/include/mach/iq80321.h b/arch/arm/mach-iop32x/include/mach/iq80321.h
index 498819b737e7..faf62c26f6f8 100644
--- a/arch/arm/mach-iop32x/include/mach/iq80321.h
+++ b/arch/arm/mach-iop32x/include/mach/iq80321.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/iq80321.h
  *
diff --git a/arch/arm/mach-iop32x/include/mach/n2100.h b/arch/arm/mach-iop32x/include/mach/n2100.h
index 40b8a532b064..70bb660b643a 100644
--- a/arch/arm/mach-iop32x/include/mach/n2100.h
+++ b/arch/arm/mach-iop32x/include/mach/n2100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/n2100.h
  *
diff --git a/arch/arm/mach-iop32x/include/mach/time.h b/arch/arm/mach-iop32x/include/mach/time.h
index 0f28c9949623..d08950ccebc4 100644
--- a/arch/arm/mach-iop32x/include/mach/time.h
+++ b/arch/arm/mach-iop32x/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP32X_TIME_H_
 #define _IOP32X_TIME_H_
 #define IRQ_IOP_TIMER0 IRQ_IOP32X_TIMER0
diff --git a/arch/arm/mach-iop32x/include/mach/uncompress.h b/arch/arm/mach-iop32x/include/mach/uncompress.h
index b3d45fd365e7..ed4ac3e28fa1 100644
--- a/arch/arm/mach-iop32x/include/mach/uncompress.h
+++ b/arch/arm/mach-iop32x/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop32x/include/mach/uncompress.h
  */
diff --git a/arch/arm/mach-iop33x/include/mach/adma.h b/arch/arm/mach-iop33x/include/mach/adma.h
index 4b92f795f90e..8aa7159ab6d8 100644
--- a/arch/arm/mach-iop33x/include/mach/adma.h
+++ b/arch/arm/mach-iop33x/include/mach/adma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IOP33X_ADMA_H
 #define IOP33X_ADMA_H
 #include <asm/hardware/iop3xx-adma.h>
diff --git a/arch/arm/mach-iop33x/include/mach/hardware.h b/arch/arm/mach-iop33x/include/mach/hardware.h
index 839285315e4e..020bafbc36a5 100644
--- a/arch/arm/mach-iop33x/include/mach/hardware.h
+++ b/arch/arm/mach-iop33x/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop33x/include/mach/hardware.h
  */
diff --git a/arch/arm/mach-iop33x/include/mach/iq80331.h b/arch/arm/mach-iop33x/include/mach/iq80331.h
index fe406b0127f7..c7e68d863e44 100644
--- a/arch/arm/mach-iop33x/include/mach/iq80331.h
+++ b/arch/arm/mach-iop33x/include/mach/iq80331.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop33x/include/mach/iq80331.h
  *
diff --git a/arch/arm/mach-iop33x/include/mach/iq80332.h b/arch/arm/mach-iop33x/include/mach/iq80332.h
index 8325d71f2ed5..749b44bf7f62 100644
--- a/arch/arm/mach-iop33x/include/mach/iq80332.h
+++ b/arch/arm/mach-iop33x/include/mach/iq80332.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop33x/include/mach/iq80332.h
  *
diff --git a/arch/arm/mach-iop33x/include/mach/time.h b/arch/arm/mach-iop33x/include/mach/time.h
index 4ac4d7664f85..801f8fd644ad 100644
--- a/arch/arm/mach-iop33x/include/mach/time.h
+++ b/arch/arm/mach-iop33x/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IOP33X_TIME_H_
 #define _IOP33X_TIME_H_
 #define IRQ_IOP_TIMER0 IRQ_IOP33X_TIMER0
diff --git a/arch/arm/mach-iop33x/include/mach/uncompress.h b/arch/arm/mach-iop33x/include/mach/uncompress.h
index ed282e14176d..62b71cde1f79 100644
--- a/arch/arm/mach-iop33x/include/mach/uncompress.h
+++ b/arch/arm/mach-iop33x/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-iop33x/include/mach/uncompress.h
  */
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index eded94c96dd4..f09994500a34 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c
index 6beec150c060..186df64ceae7 100644
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/avila-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index 820cae8608fc..7e40fe70933b 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/coyote-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index b3bd0e137f6d..db488ecc98b5 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DSM-G600 board-setup
  *
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
index 5c4b0c4a1b37..6e32cbc4f590 100644
--- a/arch/arm/mach-ixp4xx/fsg-setup.c
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/fsg-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c
index 3d24b3fcee87..1be6faf6da9a 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/gateway7001-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c
index 80bd9d6d04de..145ec5c1b0eb 100644
--- a/arch/arm/mach-ixp4xx/goramo_mlr.c
+++ b/arch/arm/mach-ixp4xx/goramo_mlr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Goramo MultiLink router platform code
  * Copyright (C) 2006-2009 Krzysztof Halasa <khc@pm.waw.pl>
diff --git a/arch/arm/mach-ixp4xx/include/mach/npe.h b/arch/arm/mach-ixp4xx/include/mach/npe.h
index e320db2457ae..3a980845e557 100644
--- a/arch/arm/mach-ixp4xx/include/mach/npe.h
+++ b/arch/arm/mach-ixp4xx/include/mach/npe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IXP4XX_NPE_H
 #define __IXP4XX_NPE_H
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h
index 34b3d3f3f131..342acbe20f7c 100644
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-ixp4xx/include/mach/platform.h
  *
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 93b89291c06b..8f5e01527b1b 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/ixdp425-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index 4e0f762bc651..1b8170d65c74 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/nas100d-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 88c025f52d8d..bd8dc65b4ffc 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/nslu2-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/vulcan-setup.c b/arch/arm/mach-ixp4xx/vulcan-setup.c
index d599e354ca57..731fb2019ecb 100644
--- a/arch/arm/mach-ixp4xx/vulcan-setup.c
+++ b/arch/arm/mach-ixp4xx/vulcan-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/vulcan-setup.c
  *
diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c
index 8f9ea2f3a9a5..90b3c604e8b6 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/arm/mach-ixp4xx/wg302-setup.c
  *
diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile
index 25d92396fbfa..f8b0dccac8dc 100644
--- a/arch/arm/mach-keystone/Makefile
+++ b/arch/arm/mach-keystone/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y					:= keystone.o smc.o
 
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
diff --git a/arch/arm/mach-ks8695/Makefile b/arch/arm/mach-ks8695/Makefile
index 8ecb7973ae54..439b22255a32 100644
--- a/arch/arm/mach-ks8695/Makefile
+++ b/arch/arm/mach-ks8695/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # arch/arm/mach-ks8695/Makefile
 #
 # Makefile for KS8695 architecture support
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 7677ad5414e9..8f267c7bc6e8 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Marvell's PXA168 processors line
 #
diff --git a/arch/arm/mach-mmp/clock-mmp2.c b/arch/arm/mach-mmp/clock-mmp2.c
index 835c3e7cc67e..7536398bf1c1 100644
--- a/arch/arm/mach-mmp/clock-mmp2.c
+++ b/arch/arm/mach-mmp/clock-mmp2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/arm/mach-mmp/clock-pxa168.c b/arch/arm/mach-mmp/clock-pxa168.c
index f726a3692431..2d4a5d96a1ff 100644
--- a/arch/arm/mach-mmp/clock-pxa168.c
+++ b/arch/arm/mach-mmp/clock-pxa168.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/arm/mach-mmp/clock-pxa910.c b/arch/arm/mach-mmp/clock-pxa910.c
index bca60a224e07..3cd83ff91bb0 100644
--- a/arch/arm/mach-mmp/clock-pxa910.c
+++ b/arch/arm/mach-mmp/clock-pxa910.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h
index 7453a90c34bd..7e284d9c429f 100644
--- a/arch/arm/mach-mmp/common.h
+++ b/arch/arm/mach-mmp/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/reboot.h>
 #define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)
 
diff --git a/arch/arm/mach-mmp/cputype.h b/arch/arm/mach-mmp/cputype.h
index 8a3b56dfd35d..446edaeb78a7 100644
--- a/arch/arm/mach-mmp/cputype.h
+++ b/arch/arm/mach-mmp/cputype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_CPUTYPE_H
 #define __ASM_MACH_CPUTYPE_H
 
diff --git a/arch/arm/mach-mmp/devices.h b/arch/arm/mach-mmp/devices.h
index 21217ef11b64..4df596c5c201 100644
--- a/arch/arm/mach-mmp/devices.h
+++ b/arch/arm/mach-mmp/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_DEVICE_H
 #define __MACH_DEVICE_H
 
diff --git a/arch/arm/mach-mmp/irqs.h b/arch/arm/mach-mmp/irqs.h
index fb492a50a817..5acc4d532a43 100644
--- a/arch/arm/mach-mmp/irqs.h
+++ b/arch/arm/mach-mmp/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_IRQS_H
 #define __ASM_MACH_IRQS_H
 
diff --git a/arch/arm/mach-mmp/mfp-mmp2.h b/arch/arm/mach-mmp/mfp-mmp2.h
index b2744349725d..1620222981e3 100644
--- a/arch/arm/mach-mmp/mfp-mmp2.h
+++ b/arch/arm/mach-mmp/mfp-mmp2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MFP_MMP2_H
 #define __ASM_MACH_MFP_MMP2_H
 
diff --git a/arch/arm/mach-mmp/mfp-pxa168.h b/arch/arm/mach-mmp/mfp-pxa168.h
index 9050d032377e..90d16d3419a4 100644
--- a/arch/arm/mach-mmp/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/mfp-pxa168.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MFP_PXA168_H
 #define __ASM_MACH_MFP_PXA168_H
 
diff --git a/arch/arm/mach-mmp/mfp-pxa910.h b/arch/arm/mach-mmp/mfp-pxa910.h
index f06db5cd3ad3..6f900cade631 100644
--- a/arch/arm/mach-mmp/mfp-pxa910.h
+++ b/arch/arm/mach-mmp/mfp-pxa910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MFP_PXA910_H
 #define __ASM_MACH_MFP_PXA910_H
 
diff --git a/arch/arm/mach-mmp/mfp.h b/arch/arm/mach-mmp/mfp.h
index 62e510e80a58..75a4acb33b1b 100644
--- a/arch/arm/mach-mmp/mfp.h
+++ b/arch/arm/mach-mmp/mfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MFP_H
 #define __ASM_MACH_MFP_H
 
diff --git a/arch/arm/mach-mmp/mmp2.h b/arch/arm/mach-mmp/mmp2.h
index 9b5e75ee9e4d..a4b82f719de1 100644
--- a/arch/arm/mach-mmp/mmp2.h
+++ b/arch/arm/mach-mmp/mmp2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MMP2_H
 #define __ASM_MACH_MMP2_H
 
diff --git a/arch/arm/mach-mmp/pxa168.h b/arch/arm/mach-mmp/pxa168.h
index 75841e9ccd73..b39bff37ff11 100644
--- a/arch/arm/mach-mmp/pxa168.h
+++ b/arch/arm/mach-mmp/pxa168.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_PXA168_H
 #define __ASM_MACH_PXA168_H
 
diff --git a/arch/arm/mach-mmp/pxa910.h b/arch/arm/mach-mmp/pxa910.h
index a211e81e5a08..cb3923dcf580 100644
--- a/arch/arm/mach-mmp/pxa910.h
+++ b/arch/arm/mach-mmp/pxa910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_PXA910_H
 #define __ASM_MACH_PXA910_H
 
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
index ddb3aa98a3c7..a839e960b8c6 100644
--- a/arch/arm/mach-mv78xx0/Makefile
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
 
 obj-y				+= common.o mpp.o irq.o pcie.o
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 6c6497e80a7b..cb106899dd7c 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
 
 AFLAGS_coherency_ll.o		:= -Wa,-march=armv7-a
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 0e8ea95ea822..e8ccf51c6f29 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-omap1/camera.h b/arch/arm/mach-omap1/camera.h
index caa6c0d6f0ac..8018f410d024 100644
--- a/arch/arm/mach-omap1/camera.h
+++ b/arch/arm/mach-omap1/camera.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_CAMERA_H_
 #define __ASM_ARCH_CAMERA_H_
 
diff --git a/arch/arm/mach-omap1/include/mach/memory.h b/arch/arm/mach-omap1/include/mach/memory.h
index d43ff0f1cbf8..1142560e0078 100644
--- a/arch/arm/mach-omap1/include/mach/memory.h
+++ b/arch/arm/mach-omap1/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-omap1/include/mach/memory.h
  */
diff --git a/arch/arm/mach-omap1/include/mach/usb.h b/arch/arm/mach-omap1/include/mach/usb.h
index eb76628ff843..77867778d4ec 100644
--- a/arch/arm/mach-omap1/include/mach/usb.h
+++ b/arch/arm/mach-omap1/include/mach/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * FIXME correct answer depends on hmc_mode,
  * as does (on omap1) any nonzero value for config->otg port number
diff --git a/arch/arm/mach-omap1/mmc.h b/arch/arm/mach-omap1/mmc.h
index d7b46880e4ca..043bd02f3f2a 100644
--- a/arch/arm/mach-omap1/mmc.h
+++ b/arch/arm/mach-omap1/mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/mmc/host.h>
 #include <linux/platform_data/mmc-omap.h>
 
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c
index 72bf4bf4a702..af2c120b0c4e 100644
--- a/arch/arm/mach-omap1/reset.c
+++ b/arch/arm/mach-omap1/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OMAP1 reset support
  */
diff --git a/arch/arm/mach-omap1/sram.h b/arch/arm/mach-omap1/sram.h
index d5a6c8362301..73efabd119e8 100644
--- a/arch/arm/mach-omap1/sram.h
+++ b/arch/arm/mach-omap1/sram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <plat/sram.h>
 
 extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b3b3b3a19183..38f1748a4500 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-omap2/clock2xxx.h b/arch/arm/mach-omap2/clock2xxx.h
index 125c37614848..a8408f9d0f33 100644
--- a/arch/arm/mach-omap2/clock2xxx.h
+++ b/arch/arm/mach-omap2/clock2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * OMAP2 clock function prototypes and macros
  *
diff --git a/arch/arm/mach-omap2/clock3xxx.h b/arch/arm/mach-omap2/clock3xxx.h
index 78d9f562e3ce..10a9f577dc1a 100644
--- a/arch/arm/mach-omap2/clock3xxx.h
+++ b/arch/arm/mach-omap2/clock3xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * OMAP3-common clock function prototypes and macros
  *
diff --git a/arch/arm/mach-omap2/clockdomains2420_data.c b/arch/arm/mach-omap2/clockdomains2420_data.c
index 7e76becf3a4a..ac4ffb5d2ffc 100644
--- a/arch/arm/mach-omap2/clockdomains2420_data.c
+++ b/arch/arm/mach-omap2/clockdomains2420_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OMAP2420 clockdomains
  *
diff --git a/arch/arm/mach-omap2/clockdomains2430_data.c b/arch/arm/mach-omap2/clockdomains2430_data.c
index b923007e45d0..0e97e178abaa 100644
--- a/arch/arm/mach-omap2/clockdomains2430_data.c
+++ b/arch/arm/mach-omap2/clockdomains2430_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OMAP2xxx clockdomains
  *
diff --git a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
index 4972219653ce..220c22f5e0f5 100644
--- a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OMAP2/3 clockdomain common data
  *
diff --git a/arch/arm/mach-omap2/clockdomains3xxx_data.c b/arch/arm/mach-omap2/clockdomains3xxx_data.c
index f03dc97921ad..94bbd3831ac3 100644
--- a/arch/arm/mach-omap2/clockdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains3xxx_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OMAP3xxx clockdomains
  *
diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h
index 335c7822fea1..b23962c38fb2 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OMAP_COMMON_BOARD_DEVICES__
 #define __OMAP_COMMON_BOARD_DEVICES__
 
diff --git a/arch/arm/mach-omap2/mmc.h b/arch/arm/mach-omap2/mmc.h
index 30d39b97e7dd..9145a6f720fc 100644
--- a/arch/arm/mach-omap2/mmc.h
+++ b/arch/arm/mach-omap2/mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #define OMAP24XX_NR_MMC		2
 #define OMAP2420_MMC_SIZE	OMAP1_MMC_SIZE
diff --git a/arch/arm/mach-omap2/omap-pm-noop.c b/arch/arm/mach-omap2/omap-pm-noop.c
index a1ee8066958e..4ead077ea4e7 100644
--- a/arch/arm/mach-omap2/omap-pm-noop.c
+++ b/arch/arm/mach-omap2/omap-pm-noop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * omap-pm-noop.c - OMAP power management interface - dummy version
  *
diff --git a/arch/arm/mach-omap2/omap-pm.h b/arch/arm/mach-omap2/omap-pm.h
index 109bef5538eb..5ba5df47f91b 100644
--- a/arch/arm/mach-omap2/omap-pm.h
+++ b/arch/arm/mach-omap2/omap-pm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * omap-pm.h - OMAP power management interface
  *
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c
index a9e8cf21705d..18a448f938ea 100644
--- a/arch/arm/mach-omap2/opp2420_data.c
+++ b/arch/arm/mach-omap2/opp2420_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * opp2420_data.c - old-style "OPP" table for OMAP2420
  *
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index b2233b72b24d..ded8b566a23a 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * opp2430_data.c - old-style "OPP" table for OMAP2430
  *
diff --git a/arch/arm/mach-omap2/opp2xxx.h b/arch/arm/mach-omap2/opp2xxx.h
index 8fae534eb157..a451182cdc02 100644
--- a/arch/arm/mach-omap2/opp2xxx.h
+++ b/arch/arm/mach-omap2/opp2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * opp2xxx.h - macros for old-style OMAP2xxx "OPP" definitions
  *
diff --git a/arch/arm/mach-omap2/usb.h b/arch/arm/mach-omap2/usb.h
index 3395365ef1db..740a499befce 100644
--- a/arch/arm/mach-omap2/usb.h
+++ b/arch/arm/mach-omap2/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/platform_data/usb-omap.h>
 
 /* AM35x */
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index a3c30655aa30..a709655b978c 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index ae91872eeee4..1a585a62d5e6 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
 
 obj-y				+= common.o pci.o irq.o mpp.o
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 4c0c7de665c3..eb96009e21c4 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_ORION5X_COMMON_H
 #define __ARCH_ORION5X_COMMON_H
 
diff --git a/arch/arm/mach-orion5x/mpp.h b/arch/arm/mach-orion5x/mpp.h
index db70e79a1198..be1c78663291 100644
--- a/arch/arm/mach-orion5x/mpp.h
+++ b/arch/arm/mach-orion5x/mpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_ORION5X_MPP_H
 #define __ARCH_ORION5X_MPP_H
 
diff --git a/arch/arm/mach-orion5x/ts78xx-fpga.h b/arch/arm/mach-orion5x/ts78xx-fpga.h
index 97c393d39ae2..2f4fe3ca5c1a 100644
--- a/arch/arm/mach-orion5x/ts78xx-fpga.h
+++ b/arch/arm/mach-orion5x/ts78xx-fpga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define TS7800_FPGA_MAGIC 0x00b480
 #define FPGAID(_magic, _rev) ((_magic << 8) + _rev)
 
diff --git a/arch/arm/mach-orion5x/tsx09-common.h b/arch/arm/mach-orion5x/tsx09-common.h
index 0984264616f0..72bedc6b82fb 100644
--- a/arch/arm/mach-orion5x/tsx09-common.h
+++ b/arch/arm/mach-orion5x/tsx09-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_ORION5X_TSX09_COMMON_H
 #define __ARCH_ORION5X_TSX09_COMMON_H
 
diff --git a/arch/arm/mach-prima2/Makefile b/arch/arm/mach-prima2/Makefile
index d7d02b043449..0fd2763031e9 100644
--- a/arch/arm/mach-prima2/Makefile
+++ b/arch/arm/mach-prima2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += rstc.o
 obj-y += common.o
 obj-y += rtciobrg.o
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index ef25dc597f30..0a8e9611052f 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.h b/arch/arm/mach-pxa/cm-x2xx-pci.h
index e24aad2e3ad7..93ffaaee75d7 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.h
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern void __cmx2xx_pci_init_irq(int irq_gpio);
 extern void __cmx2xx_pci_suspend(void);
 extern void __cmx2xx_pci_resume(void);
diff --git a/arch/arm/mach-pxa/colibri.h b/arch/arm/mach-pxa/colibri.h
index cb4236e98a0f..673a131da875 100644
--- a/arch/arm/mach-pxa/colibri.h
+++ b/arch/arm/mach-pxa/colibri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _COLIBRI_H_
 #define _COLIBRI_H_
 
diff --git a/arch/arm/mach-pxa/csb701.c b/arch/arm/mach-pxa/csb701.c
index 5a221a49ea4d..527c9fdf9795 100644
--- a/arch/arm/mach-pxa/csb701.c
+++ b/arch/arm/mach-pxa/csb701.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index fffb697bbf0e..5a72456a19ce 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index 04580c407276..905628dfbbbb 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern struct platform_device pxa_device_pmu;
 extern struct platform_device pxa_device_mci;
 extern struct platform_device pxa3xx_device_mci2;
diff --git a/arch/arm/mach-pxa/include/mach/addr-map.h b/arch/arm/mach-pxa/include/mach/addr-map.h
index 07b93fd24474..93cfe7dbfec6 100644
--- a/arch/arm/mach-pxa/include/mach/addr-map.h
+++ b/arch/arm/mach-pxa/include/mach/addr-map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_ADDR_MAP_H
 #define __ASM_MACH_ADDR_MAP_H
 
diff --git a/arch/arm/mach-pxa/include/mach/audio.h b/arch/arm/mach-pxa/include/mach/audio.h
index a3449e35a6f5..7beebf7297b5 100644
--- a/arch/arm/mach-pxa/include/mach/audio.h
+++ b/arch/arm/mach-pxa/include/mach/audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_AUDIO_H__
 #define __ASM_ARCH_AUDIO_H__
 
diff --git a/arch/arm/mach-pxa/include/mach/bitfield.h b/arch/arm/mach-pxa/include/mach/bitfield.h
index f1f0e3387d9c..fe2ca441bc0a 100644
--- a/arch/arm/mach-pxa/include/mach/bitfield.h
+++ b/arch/arm/mach-pxa/include/mach/bitfield.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	FILE    	bitfield.h
  *
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
index cd78b7fe3567..d54031c4f3df 100644
--- a/arch/arm/mach-pxa/include/mach/io.h
+++ b/arch/arm/mach-pxa/include/mach/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-pxa/include/mach/io.h
  *
diff --git a/arch/arm/mach-pxa/include/mach/regs-ac97.h b/arch/arm/mach-pxa/include/mach/regs-ac97.h
index b8d14bd9ae59..1db96fd4df32 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ac97.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ac97.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_REGS_AC97_H
 #define __ASM_ARCH_REGS_AC97_H
 
diff --git a/arch/arm/mach-pxa/include/mach/regs-lcd.h b/arch/arm/mach-pxa/include/mach/regs-lcd.h
index f82dcea792d9..e2b6e3d1f625 100644
--- a/arch/arm/mach-pxa/include/mach/regs-lcd.h
+++ b/arch/arm/mach-pxa/include/mach/regs-lcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_REGS_LCD_H
 #define __ASM_ARCH_REGS_LCD_H
 
diff --git a/arch/arm/mach-pxa/include/mach/regs-ost.h b/arch/arm/mach-pxa/include/mach/regs-ost.h
index 628819995c52..deb564ed8ee7 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ost.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_REGS_OST_H
 #define __ASM_MACH_REGS_OST_H
 
diff --git a/arch/arm/mach-pxa/include/mach/regs-uart.h b/arch/arm/mach-pxa/include/mach/regs-uart.h
index 55aeb7fb72f6..9a168f83afeb 100644
--- a/arch/arm/mach-pxa/include/mach/regs-uart.h
+++ b/arch/arm/mach-pxa/include/mach/regs-uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_REGS_UART_H
 #define __ASM_ARCH_REGS_UART_H
 
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index b6c10556fbc7..e1c4d100fd45 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_RESET_H
 #define __ASM_ARCH_RESET_H
 
diff --git a/arch/arm/mach-pxa/include/mach/trizeps4.h b/arch/arm/mach-pxa/include/mach/trizeps4.h
index ae3ca013afab..3cddb1428c5e 100644
--- a/arch/arm/mach-pxa/include/mach/trizeps4.h
+++ b/arch/arm/mach-pxa/include/mach/trizeps4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /************************************************************************
  * Include file for TRIZEPS4 SoM and ConXS eval-board
  * Copyright (c) Jürgen Schindele
diff --git a/arch/arm/mach-pxa/littleton.h b/arch/arm/mach-pxa/littleton.h
index 8066be54e9f5..a0a8d2bf9d71 100644
--- a/arch/arm/mach-pxa/littleton.h
+++ b/arch/arm/mach-pxa/littleton.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_LITTLETON_H
 #define __ASM_ARCH_LITTLETON_H
 
diff --git a/arch/arm/mach-pxa/mfp-pxa25x.h b/arch/arm/mach-pxa/mfp-pxa25x.h
index 1c59d4b3b19b..d0ebb2154503 100644
--- a/arch/arm/mach-pxa/mfp-pxa25x.h
+++ b/arch/arm/mach-pxa/mfp-pxa25x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_MFP_PXA25X_H
 #define __ASM_ARCH_MFP_PXA25X_H
 
diff --git a/arch/arm/mach-pxa/mfp-pxa27x.h b/arch/arm/mach-pxa/mfp-pxa27x.h
index 9fe5601ce668..9f5ffb785ff5 100644
--- a/arch/arm/mach-pxa/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/mfp-pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_MFP_PXA27X_H
 #define __ASM_ARCH_MFP_PXA27X_H
 
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.h b/arch/arm/mach-pxa/mfp-pxa2xx.h
index cbf51ae81855..980145e7ee99 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_MFP_PXA2XX_H
 #define __ASM_ARCH_MFP_PXA2XX_H
 
diff --git a/arch/arm/mach-pxa/mfp-pxa3xx.h b/arch/arm/mach-pxa/mfp-pxa3xx.h
index d375195d982b..cdd830926d1c 100644
--- a/arch/arm/mach-pxa/mfp-pxa3xx.h
+++ b/arch/arm/mach-pxa/mfp-pxa3xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_MFP_PXA3XX_H
 #define __ASM_ARCH_MFP_PXA3XX_H
 
diff --git a/arch/arm/mach-pxa/mioa701.h b/arch/arm/mach-pxa/mioa701.h
index e57f5c724e8a..d94295c67460 100644
--- a/arch/arm/mach-pxa/mioa701.h
+++ b/arch/arm/mach-pxa/mioa701.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIOA701_H_
 #define _MIOA701_H_
 
diff --git a/arch/arm/mach-pxa/mxm8x10.h b/arch/arm/mach-pxa/mxm8x10.h
index ffa15665a418..dcd32321c995 100644
--- a/arch/arm/mach-pxa/mxm8x10.h
+++ b/arch/arm/mach-pxa/mxm8x10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MXM_8X10_H
 #define __MACH_MXM_8X10_H
 
diff --git a/arch/arm/mach-pxa/pxa25x.h b/arch/arm/mach-pxa/pxa25x.h
index 2011e8da0592..b58d0fbdb4db 100644
--- a/arch/arm/mach-pxa/pxa25x.h
+++ b/arch/arm/mach-pxa/pxa25x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA25x_H
 #define __MACH_PXA25x_H
 
diff --git a/arch/arm/mach-pxa/pxa27x-udc.h b/arch/arm/mach-pxa/pxa27x-udc.h
index 4cf28f670706..faf73804697f 100644
--- a/arch/arm/mach-pxa/pxa27x-udc.h
+++ b/arch/arm/mach-pxa/pxa27x-udc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_PXA27X_UDC_H
 #define _ASM_ARCH_PXA27X_UDC_H
 
diff --git a/arch/arm/mach-pxa/pxa27x.h b/arch/arm/mach-pxa/pxa27x.h
index 075131d83eab..abdc02fb4f03 100644
--- a/arch/arm/mach-pxa/pxa27x.h
+++ b/arch/arm/mach-pxa/pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA27x_H
 #define __MACH_PXA27x_H
 
diff --git a/arch/arm/mach-pxa/pxa300.h b/arch/arm/mach-pxa/pxa300.h
index 59fa41025c80..d02a8d15c7e8 100644
--- a/arch/arm/mach-pxa/pxa300.h
+++ b/arch/arm/mach-pxa/pxa300.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA300_H
 #define __MACH_PXA300_H
 
diff --git a/arch/arm/mach-pxa/pxa320.h b/arch/arm/mach-pxa/pxa320.h
index b9e5115a1c30..c701e3f663b0 100644
--- a/arch/arm/mach-pxa/pxa320.h
+++ b/arch/arm/mach-pxa/pxa320.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA320_H
 #define __MACH_PXA320_H
 
diff --git a/arch/arm/mach-pxa/pxa3xx.h b/arch/arm/mach-pxa/pxa3xx.h
index b4143fb6631f..6d4502aa9d06 100644
--- a/arch/arm/mach-pxa/pxa3xx.h
+++ b/arch/arm/mach-pxa/pxa3xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA3XX_H	
 #define __MACH_PXA3XX_H
 
diff --git a/arch/arm/mach-pxa/pxa930.h b/arch/arm/mach-pxa/pxa930.h
index 4eceb02978e8..bbf25c044641 100644
--- a/arch/arm/mach-pxa/pxa930.h
+++ b/arch/arm/mach-pxa/pxa930.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_PXA930_H
 #define __MACH_PXA930_H
 
diff --git a/arch/arm/mach-pxa/regs-rtc.h b/arch/arm/mach-pxa/regs-rtc.h
index f0e4a589bbe1..b1f9ff14e335 100644
--- a/arch/arm/mach-pxa/regs-rtc.h
+++ b/arch/arm/mach-pxa/regs-rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_REGS_RTC_H
 #define __ASM_MACH_REGS_RTC_H
 
diff --git a/arch/arm/mach-pxa/regs-u2d.h b/arch/arm/mach-pxa/regs-u2d.h
index c15c0c57de08..fe4c80ad87ec 100644
--- a/arch/arm/mach-pxa/regs-u2d.h
+++ b/arch/arm/mach-pxa/regs-u2d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_PXA3xx_U2D_H
 #define __ASM_ARCH_PXA3xx_U2D_H
 
diff --git a/arch/arm/mach-pxa/smemc.c b/arch/arm/mach-pxa/smemc.c
index f38aa890b2c9..32e82cc92ea5 100644
--- a/arch/arm/mach-pxa/smemc.c
+++ b/arch/arm/mach-pxa/smemc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Static Memory Controller
  */
diff --git a/arch/arm/mach-pxa/zylonite.h b/arch/arm/mach-pxa/zylonite.h
index ecca976f03d2..7300ec2aac0d 100644
--- a/arch/arm/mach-pxa/zylonite.h
+++ b/arch/arm/mach-pxa/zylonite.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_ZYLONITE_H
 #define __ASM_ARCH_ZYLONITE_H
 
diff --git a/arch/arm/mach-rpc/fiq.S b/arch/arm/mach-rpc/fiq.S
index 48ddd57db16e..0de83e9b0b39 100644
--- a/arch/arm/mach-rpc/fiq.S
+++ b/arch/arm/mach-rpc/fiq.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-rpc/include/mach/entry-macro.S b/arch/arm/mach-rpc/include/mach/entry-macro.S
index 7178368d7062..a6d1a9f4bb79 100644
--- a/arch/arm/mach-rpc/include/mach/entry-macro.S
+++ b/arch/arm/mach-rpc/include/mach/entry-macro.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <mach/hardware.h>
 #include <asm/hardware/entry-macro-iomd.S>
 
diff --git a/arch/arm/mach-rpc/irq.c b/arch/arm/mach-rpc/irq.c
index 66502e6207fe..b8a61cb11207 100644
--- a/arch/arm/mach-rpc/irq.c
+++ b/arch/arm/mach-rpc/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/io.h>
diff --git a/arch/arm/mach-s3c24xx/include/mach/io.h b/arch/arm/mach-s3c24xx/include/mach/io.h
index 235c53647aa4..f960e6d10114 100644
--- a/arch/arm/mach-s3c24xx/include/mach/io.h
+++ b/arch/arm/mach-s3c24xx/include/mach/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-s3c2410/include/mach/io.h
  *  from arch/arm/mach-rpc/include/mach/io.h
diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 9c739eafe95c..40ca8de21096 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/arch/arm/mach-s3c6400/include/mach/dma.h
  *
  * Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 3ceb00b5de07..c244e480e6b3 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/arch/arm/mach-s3c64xx/include/mach/irqs.h
  *
  * Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
index 81f7f6e6832e..592a2be3d2aa 100644
--- a/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio.h
  *
  * Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/regs-gpio-memport.h b/arch/arm/mach-s3c64xx/regs-gpio-memport.h
index b927593019f5..589afe1132d6 100644
--- a/arch/arm/mach-s3c64xx/regs-gpio-memport.h
+++ b/arch/arm/mach-s3c64xx/regs-gpio-memport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index ebc4d58e1a32..28c1cae0053f 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index 7d52cd97d96e..b2eb3d232e39 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mach-sa1100/clock.c
  */
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 68199b603ff7..97502922a15d 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/arch/arm/mach-sa1100/generic.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/SA-1100.h b/arch/arm/mach-sa1100/include/mach/SA-1100.h
index 7972617cca64..6e6ff3e18f0f 100644
--- a/arch/arm/mach-sa1100/include/mach/SA-1100.h
+++ b/arch/arm/mach-sa1100/include/mach/SA-1100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	FILE    	SA-1100.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/assabet.h b/arch/arm/mach-sa1100/include/mach/assabet.h
index c23fcdb047a5..558b45323a2d 100644
--- a/arch/arm/mach-sa1100/include/mach/assabet.h
+++ b/arch/arm/mach-sa1100/include/mach/assabet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/assabet.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index b478ca180c19..b7bc23ffd3c6 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/collie.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index cc43f95f33cc..6f2dbdc28663 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/hardware.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/irqs.h b/arch/arm/mach-sa1100/include/mach/irqs.h
index 734e30e406a3..f4a41e665262 100644
--- a/arch/arm/mach-sa1100/include/mach/irqs.h
+++ b/arch/arm/mach-sa1100/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/irqs.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h
index 2054051eb797..fa5cf4744992 100644
--- a/arch/arm/mach-sa1100/include/mach/memory.h
+++ b/arch/arm/mach-sa1100/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/memory.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/neponset.h b/arch/arm/mach-sa1100/include/mach/neponset.h
index 5516a52a329d..18411cfdfe8e 100644
--- a/arch/arm/mach-sa1100/include/mach/neponset.h
+++ b/arch/arm/mach-sa1100/include/mach/neponset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/neponset.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/reset.h b/arch/arm/mach-sa1100/include/mach/reset.h
index f61957e6842a..27695650a567 100644
--- a/arch/arm/mach-sa1100/include/mach/reset.h
+++ b/arch/arm/mach-sa1100/include/mach/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_RESET_H
 #define __ASM_ARCH_RESET_H
 
diff --git a/arch/arm/mach-sa1100/include/mach/shannon.h b/arch/arm/mach-sa1100/include/mach/shannon.h
index fff39e02b496..d830375f329c 100644
--- a/arch/arm/mach-sa1100/include/mach/shannon.h
+++ b/arch/arm/mach-sa1100/include/mach/shannon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_SHANNON_H
 #define _INCLUDE_SHANNON_H
 
diff --git a/arch/arm/mach-sa1100/include/mach/simpad.h b/arch/arm/mach-sa1100/include/mach/simpad.h
index ac2ea767215d..d53d680de3d9 100644
--- a/arch/arm/mach-sa1100/include/mach/simpad.h
+++ b/arch/arm/mach-sa1100/include/mach/simpad.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/simpad.h
  *
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h
index a1a041b9740b..f5eaa90a4576 100644
--- a/arch/arm/mach-sa1100/include/mach/uncompress.h
+++ b/arch/arm/mach-sa1100/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/arm/mach-sa1100/include/mach/uncompress.h
  *
diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
index 51b0eb52c014..e3a0279750e3 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-sa1100/lart.c
  */
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 8411985af9ff..a61a2432766b 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-sa1100/neponset.c
  */
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
index 88149f85bc49..b2b0c9fc18f7 100644
--- a/arch/arm/mach-sa1100/pleb.c
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-sa1100/pleb.c
  */
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index c8866bce7386..856664c783d9 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-sa1100/shannon.c
  */
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index bb3ca9c763de..e8d25a7bbcb8 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/arm/mach-sa1100/simpad.c
  */
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 64611a1b4276..e16b81ec4b07 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h
index 1a8f7b3ab449..f8fcd799d677 100644
--- a/arch/arm/mach-shmobile/common.h
+++ b/arch/arm/mach-shmobile/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_MACH_COMMON_H
 #define __ARCH_MACH_COMMON_H
 
diff --git a/arch/arm/mach-shmobile/emev2.h b/arch/arm/mach-shmobile/emev2.h
index 916d25f6780e..39f6cd8e6003 100644
--- a/arch/arm/mach-shmobile/emev2.h
+++ b/arch/arm/mach-shmobile/emev2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_EMEV2_H__
 #define __ASM_EMEV2_H__
 
diff --git a/arch/arm/mach-shmobile/r8a7779.h b/arch/arm/mach-shmobile/r8a7779.h
index 2a5f7730a03c..30668aa6acc3 100644
--- a/arch/arm/mach-shmobile/r8a7779.h
+++ b/arch/arm/mach-shmobile/r8a7779.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_R8A7779_H__
 #define __ASM_R8A7779_H__
 
diff --git a/arch/arm/mach-shmobile/r8a7790.h b/arch/arm/mach-shmobile/r8a7790.h
index 136f3455e9c7..669c8cd09e07 100644
--- a/arch/arm/mach-shmobile/r8a7790.h
+++ b/arch/arm/mach-shmobile/r8a7790.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_R8A7790_H__
 #define __ASM_R8A7790_H__
 
diff --git a/arch/arm/mach-shmobile/r8a7791.h b/arch/arm/mach-shmobile/r8a7791.h
index cf7a8405bd7f..8c794aace938 100644
--- a/arch/arm/mach-shmobile/r8a7791.h
+++ b/arch/arm/mach-shmobile/r8a7791.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_R8A7791_H__
 #define __ASM_R8A7791_H__
 
diff --git a/arch/arm/mach-shmobile/rcar-gen2.h b/arch/arm/mach-shmobile/rcar-gen2.h
index 6792e249cf56..4777fff2de41 100644
--- a/arch/arm/mach-shmobile/rcar-gen2.h
+++ b/arch/arm/mach-shmobile/rcar-gen2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_RCAR_GEN2_H__
 #define __ASM_RCAR_GEN2_H__
 
diff --git a/arch/arm/mach-shmobile/sh73a0.h b/arch/arm/mach-shmobile/sh73a0.h
index 50ef24f780b3..85c7c7c60b1e 100644
--- a/arch/arm/mach-shmobile/sh73a0.h
+++ b/arch/arm/mach-shmobile/sh73a0.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH73A0_H__
 #define __ASM_SH73A0_H__
 
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index ed15db19e561..9ec31fad7136 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-spear/Makefile b/arch/arm/mach-spear/Makefile
index a946c19ab31a..176b14f83089 100644
--- a/arch/arm/mach-spear/Makefile
+++ b/arch/arm/mach-spear/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # SPEAr Platform specific Makefile
 #
diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig
index ebe15b93bbe8..25b2fd434861 100644
--- a/arch/arm/mach-tango/Kconfig
+++ b/arch/arm/mach-tango/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_TANGO
 	bool "Sigma Designs Tango4 (SMP87xx)"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-tango/Makefile b/arch/arm/mach-tango/Makefile
index 204fcd9fe180..da6c633d3cc0 100644
--- a/arch/arm/mach-tango/Makefile
+++ b/arch/arm/mach-tango/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_smc.o := -Wa,-march=armv7-a$(plus_sec)
 
diff --git a/arch/arm/mach-tango/platsmp.c b/arch/arm/mach-tango/platsmp.c
index 2f0c6c050fed..65012afbc1a3 100644
--- a/arch/arm/mach-tango/platsmp.c
+++ b/arch/arm/mach-tango/platsmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/smp.h>
diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c
index 406c0814eb6e..028e50c6383f 100644
--- a/arch/arm/mach-tango/pm.c
+++ b/arch/arm/mach-tango/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/suspend.h>
 #include <asm/suspend.h>
diff --git a/arch/arm/mach-tango/setup.c b/arch/arm/mach-tango/setup.c
index f14b6c7d255b..677dd7b5efd9 100644
--- a/arch/arm/mach-tango/setup.c
+++ b/arch/arm/mach-tango/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/mach/arch.h>
 #include <asm/hardware/cache-l2x0.h>
 #include "smc.h"
diff --git a/arch/arm/mach-tango/smc.S b/arch/arm/mach-tango/smc.S
index 5d932ce3c1bd..361a8dc89804 100644
--- a/arch/arm/mach-tango/smc.S
+++ b/arch/arm/mach-tango/smc.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 ENTRY(tango_smc)
diff --git a/arch/arm/mach-tango/smc.h b/arch/arm/mach-tango/smc.h
index 57919539da1b..455ce3e06daf 100644
--- a/arch/arm/mach-tango/smc.h
+++ b/arch/arm/mach-tango/smc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern int tango_smc(unsigned int val, unsigned int service);
 
 #define tango_set_l2_control(val)	tango_smc(val, 0x102)
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index c8368d647741..1e0aeb47bac6 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_TEGRA
 	bool "NVIDIA Tegra"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 3b33f0bb78ae..6c1dff2eccc2 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 asflags-y				+= -march=armv7-a
 
 obj-y                                   += io.o
diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig
index 22dcbf5b76b2..4f43c1cd5db0 100644
--- a/arch/arm/mach-u300/Kconfig
+++ b/arch/arm/mach-u300/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_U300
 	bool "ST-Ericsson U300 Series"
 	depends on ARCH_MULTI_V5 && MMU
diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index 3930fbba30b4..779235a9147d 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_UNIPHIER
 	bool "Socionext UniPhier SoCs"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 4740ac393297..f98332ea2ef2 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_U8500
 	bool "ST-Ericsson U8500 Series"
 	depends on ARCH_MULTI_V7 && MMU
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index c257d40ca51d..f5c275434d6c 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_VERSATILE
 	bool "ARM Ltd. Versatile family"
 	depends on ARCH_MULTI_V5
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 7c728ebc0b33..726a68085c3b 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_VEXPRESS
 	bool "ARM Ltd. Versatile Express family"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 73caae71f307..51c35e2b737a 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index a0400f4cca89..95886b3bb9dd 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/mach/arch.h>
 
 #include "core.h"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index c4f1dba7bd8a..1156a585dafc 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_VT8500
 	bool
 	select GPIOLIB
diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig
index 69bab32a8bc2..b16ffc03bbe5 100644
--- a/arch/arm/mach-w90x900/Kconfig
+++ b/arch/arm/mach-w90x900/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ARCH_W90X900
 
 config CPU_W90P910
diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile
index 828c0326441e..33b5bf53990f 100644
--- a/arch/arm/mach-w90x900/Makefile
+++ b/arch/arm/mach-w90x900/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/mach-zx/Kconfig b/arch/arm/mach-zx/Kconfig
index 209c97944de2..ea29c84a7849 100644
--- a/arch/arm/mach-zx/Kconfig
+++ b/arch/arm/mach-zx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ARCH_ZX
 	bool "ZTE ZX family"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index fd0aeeb09881..1ca633e3d024 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_ZYNQ
 	bool "Xilinx Zynq ARM Cortex A9 Platform"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 60cdfdc151aa..fd9077a74fce 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 comment "Processor Type"
 
 # Select CPU types depending on the architecture selected.  This selects
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 950d19babb5f..f353ee569f6b 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux arm-specific parts of the memory manager.
 #
diff --git a/arch/arm/mm/abort-ev4.S b/arch/arm/mm/abort-ev4.S
index b3b31e30cadd..a10bcb89594d 100644
--- a/arch/arm/mm/abort-ev4.S
+++ b/arch/arm/mm/abort-ev4.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 /*
diff --git a/arch/arm/mm/abort-ev4t.S b/arch/arm/mm/abort-ev4t.S
index 9da704e7b86e..14743a2f6997 100644
--- a/arch/arm/mm/abort-ev4t.S
+++ b/arch/arm/mm/abort-ev4t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev5t.S b/arch/arm/mm/abort-ev5t.S
index a6a381a6caa5..98c523118820 100644
--- a/arch/arm/mm/abort-ev5t.S
+++ b/arch/arm/mm/abort-ev5t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev5tj.S b/arch/arm/mm/abort-ev5tj.S
index 00ab011bef58..fec72f4fbaf5 100644
--- a/arch/arm/mm/abort-ev5tj.S
+++ b/arch/arm/mm/abort-ev5tj.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S
index 8801a15aa105..c58bf8b43fea 100644
--- a/arch/arm/mm/abort-ev6.S
+++ b/arch/arm/mm/abort-ev6.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S
index e8d0e08c227f..f7cc5d68444b 100644
--- a/arch/arm/mm/abort-ev7.S
+++ b/arch/arm/mm/abort-ev7.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 /*
diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S
index 4cdfab31a0b6..fbd60a120f66 100644
--- a/arch/arm/mm/abort-lv4t.S
+++ b/arch/arm/mm/abort-lv4t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 /*
diff --git a/arch/arm/mm/abort-macro.S b/arch/arm/mm/abort-macro.S
index 4509bee4e081..bacf53fd0b70 100644
--- a/arch/arm/mm/abort-macro.S
+++ b/arch/arm/mm/abort-macro.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The ARM LDRD and Thumb LDRSB instructions use bit 20/11 (ARM/Thumb)
  * differently than every other instruction, so it is set to 0 (write)
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
index 119cb479c2ab..6e2366a26321 100644
--- a/arch/arm/mm/abort-nommu.S
+++ b/arch/arm/mm/abort-nommu.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 /*
diff --git a/arch/arm/mm/dma.h b/arch/arm/mm/dma.h
index 70ea6852f94e..aaef64b7f177 100644
--- a/arch/arm/mm/dma.h
+++ b/arch/arm/mm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DMA_H
 #define DMA_H
 
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index f436f7439e46..fc33564597b8 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mm/extable.c
  */
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index afc1f84e763b..c063708fa503 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_ARM_FAULT_H
 #define __ARCH_ARM_FAULT_H
 
diff --git a/arch/arm/mm/fsr-2level.c b/arch/arm/mm/fsr-2level.c
index 18ca74c0f341..f2be95197265 100644
--- a/arch/arm/mm/fsr-2level.c
+++ b/arch/arm/mm/fsr-2level.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static struct fsr_info fsr_info[] = {
 	/*
 	 * The following are the standard ARMv3 and ARMv4 aborts.  ARMv5
diff --git a/arch/arm/mm/fsr-3level.c b/arch/arm/mm/fsr-3level.c
index ab4409a2307e..d0ae2963656a 100644
--- a/arch/arm/mm/fsr-3level.c
+++ b/arch/arm/mm/fsr-3level.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static struct fsr_info fsr_info[] = {
 	{ do_bad,		SIGBUS,  0,		"unknown 0"			},
 	{ do_bad,		SIGBUS,  0,		"unknown 1"			},
diff --git a/arch/arm/mm/idmap.c b/arch/arm/mm/idmap.c
index 3e511bec69b8..10bfba85eb96 100644
--- a/arch/arm/mm/idmap.c
+++ b/arch/arm/mm/idmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c
index 4614208369f1..091ddc56827e 100644
--- a/arch/arm/mm/iomap.c
+++ b/arch/arm/mm/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mm/iomap.c
  *
diff --git a/arch/arm/mm/l2c-l2x0-resume.S b/arch/arm/mm/l2c-l2x0-resume.S
index fda415e4ca8f..fc01f1b18523 100644
--- a/arch/arm/mm/l2c-l2x0-resume.S
+++ b/arch/arm/mm/l2c-l2x0-resume.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * L2C-310 early resume code.  This can be used by platforms to restore
  * the settings of their L2 cache controller before restoring the
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index ce727d47275c..6b045c6653ea 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_MMU
 #include <linux/list.h>
 #include <linux/vmalloc.h>
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index f0701d8d24df..eb1de66517d5 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/arm/mm/mmap.c
  */
diff --git a/arch/arm/mm/pabort-legacy.S b/arch/arm/mm/pabort-legacy.S
index 8bbff025269a..b2ffce420106 100644
--- a/arch/arm/mm/pabort-legacy.S
+++ b/arch/arm/mm/pabort-legacy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
diff --git a/arch/arm/mm/pabort-v6.S b/arch/arm/mm/pabort-v6.S
index 9627646ce783..8686265dc941 100644
--- a/arch/arm/mm/pabort-v6.S
+++ b/arch/arm/mm/pabort-v6.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S
index 875761f44f3b..9c70b1a21dc9 100644
--- a/arch/arm/mm/pabort-v7.S
+++ b/arch/arm/mm/pabort-v7.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
diff --git a/arch/arm/mm/physaddr.c b/arch/arm/mm/physaddr.c
index 02e60f495608..cf75819e4c13 100644
--- a/arch/arm/mm/physaddr.c
+++ b/arch/arm/mm/physaddr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/export.h>
 #include <linux/types.h>
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index f944836da8a2..f10e31d0730a 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * We need constants.h for:
  *  VMA_VM_MM
diff --git a/arch/arm/nwfpe/ARM-gcc.h b/arch/arm/nwfpe/ARM-gcc.h
index 436e54aa02ec..74389f5b0566 100644
--- a/arch/arm/nwfpe/ARM-gcc.h
+++ b/arch/arm/nwfpe/ARM-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
 -------------------------------------------------------------------------------
 The macro `BITS64' can be defined to indicate that 64-bit integer types are
diff --git a/arch/arm/nwfpe/Makefile b/arch/arm/nwfpe/Makefile
index deb3a82ddbdf..303400fa2cdf 100644
--- a/arch/arm/nwfpe/Makefile
+++ b/arch/arm/nwfpe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Copyright (C) 1998, 1999, 2001 Philip Blundell
 #
diff --git a/arch/arm/oprofile/Makefile b/arch/arm/oprofile/Makefile
index b2215c61cdf0..39688dc9f181 100644
--- a/arch/arm/oprofile/Makefile
+++ b/arch/arm/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
index f2af203d601f..4d839a3cf284 100644
--- a/arch/arm/plat-iop/Makefile
+++ b/arch/arm/plat-iop/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 3e27bffb352d..7276afee30b3 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARCH_OMAP
 	bool
 
diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h
index ba4525059a99..fb061cf0d736 100644
--- a/arch/arm/plat-omap/include/plat/sram.h
+++ b/arch/arm/plat-omap/include/plat/sram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 int omap_sram_init(void);
 
 void omap_map_sram(unsigned long start, unsigned long size,
diff --git a/arch/arm/plat-versatile/include/plat/sched_clock.h b/arch/arm/plat-versatile/include/plat/sched_clock.h
index 5c3e4fc9fa0c..83fdaef23c2e 100644
--- a/arch/arm/plat-versatile/include/plat/sched_clock.h
+++ b/arch/arm/plat-versatile/include/plat/sched_clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARM_PLAT_SCHED_CLOCK_H
 #define ARM_PLAT_SCHED_CLOCK_H
 
diff --git a/arch/arm/probes/Makefile b/arch/arm/probes/Makefile
index aa1f8590dcdd..8b0ea5ace100 100644
--- a/arch/arm/probes/Makefile
+++ b/arch/arm/probes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_UPROBES)		+= decode.o decode-arm.o uprobes/
 obj-$(CONFIG_KPROBES)		+= decode.o kprobes/
 ifdef CONFIG_THUMB2_KERNEL
diff --git a/arch/arm/probes/kprobes/Makefile b/arch/arm/probes/kprobes/Makefile
index 76a36bf102b7..14db56f49f0a 100644
--- a/arch/arm/probes/kprobes/Makefile
+++ b/arch/arm/probes/kprobes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_KPROBES)		+= core.o actions-common.o checkers-common.o
 obj-$(CONFIG_ARM_KPROBES_TEST)	+= test-kprobes.o
 test-kprobes-objs		:= test-core.o
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 92eb5c3b486c..ddb89a7db36f 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/arm/tools/Makefile
 #
diff --git a/arch/arm/tools/gen-mach-types b/arch/arm/tools/gen-mach-types
index 04fef71d7be9..cbe1c33bb871 100644
--- a/arch/arm/tools/gen-mach-types
+++ b/arch/arm/tools/gen-mach-types
@@ -1,4 +1,5 @@
 #!/bin/awk
+# SPDX-License-Identifier: GPL-2.0
 #
 # Awk script to generate include/generated/mach-types.h
 #
diff --git a/arch/arm/tools/syscallhdr.sh b/arch/arm/tools/syscallhdr.sh
index 72d4b2e3bdec..6b2f25cdd721 100644
--- a/arch/arm/tools/syscallhdr.sh
+++ b/arch/arm/tools/syscallhdr.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 in="$1"
 out="$2"
diff --git a/arch/arm/tools/syscallnr.sh b/arch/arm/tools/syscallnr.sh
index d2971296469a..df3ccd0ca831 100644
--- a/arch/arm/tools/syscallnr.sh
+++ b/arch/arm/tools/syscallnr.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 in="$1"
 out="$2"
 my_abis=`echo "($3)" | tr ',' '|'`
diff --git a/arch/arm/tools/syscalltbl.sh b/arch/arm/tools/syscalltbl.sh
index 5ca834545ed3..ae7e93cfbfd3 100644
--- a/arch/arm/tools/syscalltbl.sh
+++ b/arch/arm/tools/syscalltbl.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 in="$1"
 out="$2"
 my_abis=`echo "($3)" | tr ',' '|'`
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
index 59a8fa7b8a3b..bb4118213fee 100644
--- a/arch/arm/vdso/Makefile
+++ b/arch/arm/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 hostprogs-y := vdsomunge
 
 obj-vdso := vgettimeofday.o datapage.o
diff --git a/arch/arm/vdso/datapage.S b/arch/arm/vdso/datapage.S
index a2e60367931b..9cd73b725d9f 100644
--- a/arch/arm/vdso/datapage.S
+++ b/arch/arm/vdso/datapage.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/asm-offsets.h>
 
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 8e1951273fd7..c6684ab8e201 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dts-dirs += actions
 dts-dirs += al
 dts-dirs += allwinner
diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 19c3fbd75eda..ff35e184e422 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-bananapi-m64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-nanopi-a64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-olinuxino.dtb
diff --git a/arch/arm64/boot/dts/amd/Makefile b/arch/arm64/boot/dts/amd/Makefile
index ba84770f789f..f9963d63006d 100644
--- a/arch/arm64/boot/dts/amd/Makefile
+++ b/arch/arm64/boot/dts/amd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb \
 			amd-overdrive-rev-b0.dtb amd-overdrive-rev-b1.dtb \
 			husky.dtb
diff --git a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
index 8e3074a4947d..8e341be9a399 100644
--- a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
+++ b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle Overdrive Development Board
  * Note: For Seattle Rev.B0
diff --git a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
index ed5e043f37aa..92cef05c6b74 100644
--- a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
+++ b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle Overdrive Development Board
  * Note: For Seattle Rev.B1
diff --git a/arch/arm64/boot/dts/amd/amd-overdrive.dts b/arch/arm64/boot/dts/amd/amd-overdrive.dts
index 128fa942f09e..41b3a6c0993d 100644
--- a/arch/arm64/boot/dts/amd/amd-overdrive.dts
+++ b/arch/arm64/boot/dts/amd/amd-overdrive.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle Overdrive Development Board
  *
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi
index f623c46525a6..2dd2c28171ee 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-clks.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle Clocks
  *
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
index bd3adeac374f..125f4deb52fe 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle SoC
  *
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-xgbe-b.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-xgbe-b.dtsi
index 8e8631952497..d97498361ce3 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-xgbe-b.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-xgbe-b.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD Seattle XGBE (RevB)
  *
diff --git a/arch/arm64/boot/dts/amd/husky.dts b/arch/arm64/boot/dts/amd/husky.dts
index 1381d4b2bf1b..7acde34772cb 100644
--- a/arch/arm64/boot/dts/amd/husky.dts
+++ b/arch/arm64/boot/dts/amd/husky.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DTS file for AMD/Linaro 96Boards Enterprise Edition Server (Husky) Board
  * Note: Based-on AMD Seattle Rev.B0
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 7a9f48c27b1f..543416b8dff5 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
diff --git a/arch/arm64/boot/dts/apm/Makefile b/arch/arm64/boot/dts/apm/Makefile
index c75f17a49471..a10fbdb34229 100644
--- a/arch/arm64/boot/dts/apm/Makefile
+++ b/arch/arm64/boot/dts/apm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb
 dtb-$(CONFIG_ARCH_XGENE) += apm-merlin.dtb
 
diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile
index 75cc2aa10101..470378addca4 100644
--- a/arch/arm64/boot/dts/arm/Makefile
+++ b/arch/arm64/boot/dts/arm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb foundation-v8-gicv3.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
index 35588dfa095c..4825cdbdcf46 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dts b/arch/arm64/boot/dts/arm/foundation-v8.dts
index 71168077312d..8a9136f4ab74 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dtsi b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
index 8ecdd4331980..f0b67e439f58 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index fbafe62d6b22..f165f04db0c9 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "juno-clocks.dtsi"
 
 / {
diff --git a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
index aa03050dd7df..0c43fb3525eb 100644
--- a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	funnel@20130000 { /* cssys1 */
 		compatible = "arm,coresight-funnel", "arm,primecell";
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
index a83ed2c6bbf7..7810632d3438 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
index 528875c75598..e18fe006cc2a 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
index e3a171162bb4..2cb604957808 100644
--- a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
+++ b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ARM Ltd. Versatile Express
  *
diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
index 3eaef3895d66..3df2db7f8878 100644
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb
 
 dts-dirs	+= northstar2
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
index 699d340a3437..89b78d6c19bf 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
@@ -1 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "arm/bcm2837-rpi-3-b.dts"
diff --git a/arch/arm64/boot/dts/broadcom/stingray/Makefile b/arch/arm64/boot/dts/broadcom/stingray/Makefile
index f70028edad63..04bb302f3233 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/Makefile
+++ b/arch/arm64/boot/dts/broadcom/stingray/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742k.dtb
 dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742t.dtb
 
diff --git a/arch/arm64/boot/dts/cavium/Makefile b/arch/arm64/boot/dts/cavium/Makefile
index 581b2c1c400a..9f68c277302b 100644
--- a/arch/arm64/boot/dts/cavium/Makefile
+++ b/arch/arm64/boot/dts/cavium/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_THUNDER) += thunder-88xx.dtb
 dtb-$(CONFIG_ARCH_THUNDER2) += thunder2-99xx.dtb
 
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index 7ddea53769a7..6914b2cbd397 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_EXYNOS) += \
 	exynos5433-tm2.dtb	\
 	exynos5433-tm2e.dtb	\
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 72c4b525726f..dc02e82aba7c 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frdm.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
diff --git a/arch/arm64/boot/dts/hisilicon/Makefile b/arch/arm64/boot/dts/hisilicon/Makefile
index 8960ecafd37d..521ed484a5d1 100644
--- a/arch/arm64/boot/dts/hisilicon/Makefile
+++ b/arch/arm64/boot/dts/hisilicon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_HISI) += hi3660-hikey960.dtb
 dtb-$(CONFIG_ARCH_HISI) += hi3798cv200-poplar.dtb
 dtb-$(CONFIG_ARCH_HISI) += hi6220-hikey.dtb
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index fd4705c451e2..e9f87cb61ade 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for Hisilicon HiKey960 Development Board
  *
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index b7a90d632959..13ae69f5a327 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for Hisilicon Hi3660 SoC
  *
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 2b526304ed27..3aee6123d161 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for Hisilicon HiKey Development Board
  *
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 02a3aa4b2165..ff1dc89f599e 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for Hisilicon Hi6220 SoC
  *
diff --git a/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
index 0916e8459d6b..e7d22619a4c0 100644
--- a/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * pinctrl dts fils for Hislicon HiKey development board
  *
diff --git a/arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi
index 7e542d28dadb..d11efc81958c 100644
--- a/arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * pinctrl dts fils for Hislicon HiKey960 development board
  *
diff --git a/arch/arm64/boot/dts/lg/Makefile b/arch/arm64/boot/dts/lg/Makefile
index 5c7b54c12adc..e345b8e58efe 100644
--- a/arch/arm64/boot/dts/lg/Makefile
+++ b/arch/arm64/boot/dts/lg/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_LG1K) += lg1312-ref.dtb
 dtb-$(CONFIG_ARCH_LG1K) += lg1313-ref.dtb
 
diff --git a/arch/arm64/boot/dts/lg/lg1312-ref.dts b/arch/arm64/boot/dts/lg/lg1312-ref.dts
index 6d78d6bc7f9c..260a2c5b19e5 100644
--- a/arch/arm64/boot/dts/lg/lg1312-ref.dts
+++ b/arch/arm64/boot/dts/lg/lg1312-ref.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for lg1312 Reference Board.
  *
diff --git a/arch/arm64/boot/dts/lg/lg1312.dtsi b/arch/arm64/boot/dts/lg/lg1312.dtsi
index fbafa24cd533..860c8fb10795 100644
--- a/arch/arm64/boot/dts/lg/lg1312.dtsi
+++ b/arch/arm64/boot/dts/lg/lg1312.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for lg1312 SoC
  *
diff --git a/arch/arm64/boot/dts/lg/lg1313-ref.dts b/arch/arm64/boot/dts/lg/lg1313-ref.dts
index df0ece43cfbf..e89ae853788a 100644
--- a/arch/arm64/boot/dts/lg/lg1313-ref.dts
+++ b/arch/arm64/boot/dts/lg/lg1313-ref.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for lg1313 Reference Board.
  *
diff --git a/arch/arm64/boot/dts/lg/lg1313.dtsi b/arch/arm64/boot/dts/lg/lg1313.dtsi
index e703e1149c75..1887af654a7d 100644
--- a/arch/arm64/boot/dts/lg/lg1313.dtsi
+++ b/arch/arm64/boot/dts/lg/lg1313.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for lg1313 SoC
  *
diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
index 6cff81eeaae2..5633676fa9d0 100644
--- a/arch/arm64/boot/dts/marvell/Makefile
+++ b/arch/arm64/boot/dts/marvell/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Berlin SoC Family
 dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-dmp.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-stb.dtb
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 151723b5c733..1d05d1824fa9 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index 18941458cb4d..6bc0c6ab4b7f 100644
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-norrin.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-2180.dtb
diff --git a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
index 759af96a6b49..a0385a386a3f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index c2f0f2743578..fa5a7c4bc807 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra124-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra124-mc.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 8daadadec63a..c71d762bf697 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/linux-event-codes.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index cf84d7046ad5..54f418d05e15 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tegra186.dtsi"
 
 #include <dt-bindings/mfd/max77620.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 0b0552c9f7dd..a9c3eef6c4e0 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra186-clock.h>
 #include <dt-bindings/gpio/tegra186-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 906fb836d241..d10d4430537a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/mfd/max77620.h>
 
 #include "tegra210.dtsi"
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-0000.dts
index 1ddd8512e100..21c6d3749bc6 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-0000.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra210-p2530.dtsi"
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
index 7cb95e042117..37e3c46e753f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "tegra210-p2180.dtsi"
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
index 0ec92578cacb..be6066ff97c9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tegra210.dtsi"
 
 / {
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts
index 576957a55801..e2a347e57215 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2595.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2595.dtsi
index e008e3364d2a..6ae292da7294 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2595.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2595.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	model = "NVIDIA Tegra210 P2595 I/O board";
 	compatible = "nvidia,p2595", "nvidia,tegra210";
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index e5fc67bf46c2..d67ef4319f3b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/input/input.h>
 
 / {
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 7703227f5d1a..43cae4798870 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 29f471e0f22a..9bdf19f2cca7 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/tegra210-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra210-mc.h>
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index ff81d7e5805e..e7b25bee3f1e 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8016-sbc.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
index 790b7775b901..ec2f0de67993 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
 
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
index 185388de914c..21d0822f1ca6 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <dt-bindings/gpio/gpio.h>
 
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi
index 8e379782597a..59b29ddfb6e9 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 &pm8994_gpios {
diff --git a/arch/arm64/boot/dts/qcom/pm8004.dtsi b/arch/arm64/boot/dts/qcom/pm8004.dtsi
index ef2207afa86b..297b57bfa87a 100644
--- a/arch/arm64/boot/dts/qcom/pm8004.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8004.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi b/arch/arm64/boot/dts/qcom/pm8916.dtsi
index 53deebf9f515..0223e60d8b6a 100644
--- a/arch/arm64/boot/dts/qcom/pm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm64/boot/dts/qcom/pm8994.dtsi b/arch/arm64/boot/dts/qcom/pm8994.dtsi
index b413e44fd09e..80024c0b1c7c 100644
--- a/arch/arm64/boot/dts/qcom/pm8994.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8994.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
diff --git a/arch/arm64/boot/dts/qcom/pmi8994.dtsi b/arch/arm64/boot/dts/qcom/pmi8994.dtsi
index 57673f92805d..dae1cdc23f54 100644
--- a/arch/arm64/boot/dts/qcom/pmi8994.dtsi
+++ b/arch/arm64/boot/dts/qcom/pmi8994.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 381928bc1358..d417701640bd 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index f1c9b13cea5c..84801892ee61 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-evb-act8846.dtb
diff --git a/arch/arm64/boot/dts/socionext/Makefile b/arch/arm64/boot/dts/socionext/Makefile
index 4bc091b365fd..72dbe8acd9fd 100644
--- a/arch/arm64/boot/dts/socionext/Makefile
+++ b/arch/arm64/boot/dts/socionext/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_UNIPHIER) += \
 	uniphier-ld11-global.dtb \
 	uniphier-ld11-ref.dtb \
diff --git a/arch/arm64/boot/dts/sprd/Makefile b/arch/arm64/boot/dts/sprd/Makefile
index f0535e6eaaaa..d7188be103c5 100644
--- a/arch/arm64/boot/dts/sprd/Makefile
+++ b/arch/arm64/boot/dts/sprd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_SPRD) += sc9836-openphone.dtb \
 			sp9860g-1h10.dtb
 
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index 7ca54a76f6b9..70c517aa4501 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 menuconfig ARM64_CRYPTO
 	bool "ARM64 Accelerated Cryptographic Algorithms"
diff --git a/arch/arm64/crypto/aes-ce-setkey.h b/arch/arm64/crypto/aes-ce-setkey.h
index f08a6471d034..fd9ecf07d88c 100644
--- a/arch/arm64/crypto/aes-ce-setkey.h
+++ b/arch/arm64/crypto/aes-ce-setkey.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 int ce_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key,
 		  unsigned int key_len);
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index 6e1cb8c5af4d..4a85c6952a22 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ALTERNATIVE_H
 #define __ASM_ALTERNATIVE_H
 
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index ecd9788cd298..b3da6c886835 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ASM_UACCESS_H
 #define __ASM_ASM_UACCESS_H
 
diff --git a/arch/arm64/include/asm/bitrev.h b/arch/arm64/include/asm/bitrev.h
index a5a0c3660137..6faf9fba8c65 100644
--- a/arch/arm64/include/asm/bitrev.h
+++ b/arch/arm64/include/asm/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BITREV_H
 #define __ASM_BITREV_H
 static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
index ebf2481889c3..355e552a9175 100644
--- a/arch/arm64/include/asm/boot.h
+++ b/arch/arm64/include/asm/boot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __ASM_BOOT_H
 #define __ASM_BOOT_H
diff --git a/arch/arm64/include/asm/clocksource.h b/arch/arm64/include/asm/clocksource.h
index 0b350a7e26f3..0ece64a26c8c 100644
--- a/arch/arm64/include/asm/clocksource.h
+++ b/arch/arm64/include/asm/clocksource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CLOCKSOURCE_H
 #define _ASM_CLOCKSOURCE_H
 
diff --git a/arch/arm64/include/asm/cpuidle.h b/arch/arm64/include/asm/cpuidle.h
index 0f74f05d662a..3c5ddb429ea2 100644
--- a/arch/arm64/include/asm/cpuidle.h
+++ b/arch/arm64/include/asm/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPUIDLE_H
 #define __ASM_CPUIDLE_H
 
diff --git a/arch/arm64/include/asm/current.h b/arch/arm64/include/asm/current.h
index f6580d4afb0e..54ceae0874c7 100644
--- a/arch/arm64/include/asm/current.h
+++ b/arch/arm64/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CURRENT_H
 #define __ASM_CURRENT_H
 
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index b93904b16fc2..650344d01124 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EFI_H
 #define _ASM_EFI_H
 
diff --git a/arch/arm64/include/asm/extable.h b/arch/arm64/include/asm/extable.h
index 42f50f15a44c..56a4f68b262e 100644
--- a/arch/arm64/include/asm/extable.h
+++ b/arch/arm64/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_EXTABLE_H
 #define __ASM_EXTABLE_H
 
diff --git a/arch/arm64/include/asm/hypervisor.h b/arch/arm64/include/asm/hypervisor.h
index d2c79049ff11..f9cc1d021791 100644
--- a/arch/arm64/include/asm/hypervisor.h
+++ b/arch/arm64/include/asm/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM64_HYPERVISOR_H
 #define _ASM_ARM64_HYPERVISOR_H
 
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index 5e6f77239064..a0fee6985e6a 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IRQ_H
 #define __ASM_IRQ_H
 
diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h
index 8e24ef3f7c82..8a1ef1907760 100644
--- a/arch/arm64/include/asm/irq_work.h
+++ b/arch/arm64/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IRQ_WORK_H
 #define __ASM_IRQ_WORK_H
 
diff --git a/arch/arm64/include/asm/kasan.h b/arch/arm64/include/asm/kasan.h
index 71ad0f93eb71..e266f80e45b7 100644
--- a/arch/arm64/include/asm/kasan.h
+++ b/arch/arm64/include/asm/kasan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_KASAN_H
 #define __ASM_KASAN_H
 
diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h
index 606b20910a5c..eec95768eaad 100644
--- a/arch/arm64/include/asm/lse.h
+++ b/arch/arm64/include/asm/lse.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LSE_H
 #define __ASM_LSE_H
 
diff --git a/arch/arm64/include/asm/mmzone.h b/arch/arm64/include/asm/mmzone.h
index a0de9e6ba73f..fa17e01d9ab2 100644
--- a/arch/arm64/include/asm/mmzone.h
+++ b/arch/arm64/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MMZONE_H
 #define __ASM_MMZONE_H
 
diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h
index ef7b23863a7c..01bc46d5b43a 100644
--- a/arch/arm64/include/asm/numa.h
+++ b/arch/arm64/include/asm/numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_NUMA_H
 #define __ASM_NUMA_H
 
diff --git a/arch/arm64/include/asm/paravirt.h b/arch/arm64/include/asm/paravirt.h
index fd5f42886251..bb5dcea42003 100644
--- a/arch/arm64/include/asm/paravirt.h
+++ b/arch/arm64/include/asm/paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM64_PARAVIRT_H
 #define _ASM_ARM64_PARAVIRT_H
 
diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h
index 1fc19744ffe9..8747f7c5e0e7 100644
--- a/arch/arm64/include/asm/pci.h
+++ b/arch/arm64/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PCI_H
 #define __ASM_PCI_H
 #ifdef __KERNEL__
diff --git a/arch/arm64/include/asm/stack_pointer.h b/arch/arm64/include/asm/stack_pointer.h
index ffcdf742cddf..8e57c96ad45e 100644
--- a/arch/arm64/include/asm/stack_pointer.h
+++ b/arch/arm64/include/asm/stack_pointer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_STACK_POINTER_H
 #define __ASM_STACK_POINTER_H
 
diff --git a/arch/arm64/include/asm/stackprotector.h b/arch/arm64/include/asm/stackprotector.h
index b86a0865ddf1..58d15be11c4d 100644
--- a/arch/arm64/include/asm/stackprotector.h
+++ b/arch/arm64/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GCC stack protector support.
  *
diff --git a/arch/arm64/include/asm/suspend.h b/arch/arm64/include/asm/suspend.h
index de5600f40adf..8939c87c4dce 100644
--- a/arch/arm64/include/asm/suspend.h
+++ b/arch/arm64/include/asm/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SUSPEND_H
 #define __ASM_SUSPEND_H
 
diff --git a/arch/arm64/include/asm/sync_bitops.h b/arch/arm64/include/asm/sync_bitops.h
index 8da0bf4f7659..eee31a9f72a5 100644
--- a/arch/arm64/include/asm/sync_bitops.h
+++ b/arch/arm64/include/asm/sync_bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SYNC_BITOPS_H__
 #define __ASM_SYNC_BITOPS_H__
 
diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
index 8b57339823e9..b3202284568b 100644
--- a/arch/arm64/include/asm/topology.h
+++ b/arch/arm64/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TOPOLOGY_H
 #define __ASM_TOPOLOGY_H
 
diff --git a/arch/arm64/include/asm/xen/events.h b/arch/arm64/include/asm/xen/events.h
index 4318866d053c..4e22b7a8c038 100644
--- a/arch/arm64/include/asm/xen/events.h
+++ b/arch/arm64/include/asm/xen/events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM64_XEN_EVENTS_H
 #define _ASM_ARM64_XEN_EVENTS_H
 
diff --git a/arch/arm64/include/asm/xen/xen-ops.h b/arch/arm64/include/asm/xen/xen-ops.h
index ec154e719b11..e6e784051932 100644
--- a/arch/arm64/include/asm/xen/xen-ops.h
+++ b/arch/arm64/include/asm/xen/xen-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_XEN_OPS_H
 #define _ASM_XEN_OPS_H
 
diff --git a/arch/arm64/include/uapi/asm/Kbuild b/arch/arm64/include/uapi/asm/Kbuild
index fc28bd95c6d3..198afbf0688f 100644
--- a/arch/arm64/include/uapi/asm/Kbuild
+++ b/arch/arm64/include/uapi/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index f2b4e816b6de..0029e13adb59 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c
index f01fab637dab..d190a7b231bf 100644
--- a/arch/arm64/kernel/acpi_numa.c
+++ b/arch/arm64/kernel/acpi_numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ACPI 5.1 based NUMA setup for ARM64
  * Lots of code was borrowed from arch/x86/mm/srat.c
diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c
index bd1b74c2436f..1d091d048d04 100644
--- a/arch/arm64/kernel/perf_regs.c
+++ b/arch/arm64/kernel/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/perf_event.h>
diff --git a/arch/arm64/kernel/probes/Makefile b/arch/arm64/kernel/probes/Makefile
index 89b6df613dde..8e4be92e25b1 100644
--- a/arch/arm64/kernel/probes/Makefile
+++ b/arch/arm64/kernel/probes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_KPROBES)		+= kprobes.o decode-insn.o	\
 				   kprobes_trampoline.o		\
 				   simulate-insn.o
diff --git a/arch/arm64/kernel/probes/kprobes_trampoline.S b/arch/arm64/kernel/probes/kprobes_trampoline.S
index 5d6e7f14638c..45dce03aaeaf 100644
--- a/arch/arm64/kernel/probes/kprobes_trampoline.S
+++ b/arch/arm64/kernel/probes/kprobes_trampoline.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * trampoline entry and return code for kretprobes.
  */
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index df67652e46f0..10dd16d7902d 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/errno.h>
 #include <linux/linkage.h>
 #include <asm/asm-offsets.h>
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 1e3be9064cfa..77cd655e6eb7 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ftrace.h>
 #include <linux/percpu.h>
 #include <linux/slab.h>
diff --git a/arch/arm64/kernel/trace-events-emulation.h b/arch/arm64/kernel/trace-events-emulation.h
index ae1dd598ea65..6c40f58b844a 100644
--- a/arch/arm64/kernel/trace-events-emulation.h
+++ b/arch/arm64/kernel/trace-events-emulation.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM emulation
 
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 62c84f7cb01b..b215c712d897 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Building a vDSO image for AArch64.
 #
diff --git a/arch/arm64/kernel/vdso/gen_vdso_offsets.sh b/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
index 01924ff071ad..0664acaf61ff 100755
--- a/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
+++ b/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # Match symbols in the DSO that look like VDSO_*; produce a header file
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index fe56c268a7d9..7da3e5c366a0 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ld script to make ARM Linux kernel
  * taken from the i386 version by Russell King
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 52cb7ad9b2fd..13f81f971390 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
index 5d9810086c25..861acbbac385 100644
--- a/arch/arm64/kvm/Makefile
+++ b/arch/arm64/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Kernel-based Virtual Machine module
 #
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 14c4e3b14bcb..7c54d8fde855 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Kernel-based Virtual Machine module, HYP part
 #
diff --git a/arch/arm64/kvm/trace.h b/arch/arm64/kvm/trace.h
index 5188c7007169..3b82fb1ddd09 100644
--- a/arch/arm64/kvm/trace.h
+++ b/arch/arm64/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_ARM64_KVM_H
 
diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile
index a0abc142c92b..9a8cb96555d6 100644
--- a/arch/arm64/lib/Makefile
+++ b/arch/arm64/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 lib-y		:= bitops.o clear_user.o delay.o copy_from_user.o	\
 		   copy_to_user.o copy_in_user.o copy_page.o		\
 		   clear_page.o memchr.o memcpy.o memmove.o memset.o	\
diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile
index 9b0ba191e48e..849c1df3d214 100644
--- a/arch/arm64/mm/Makefile
+++ b/arch/arm64/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				:= dma-mapping.o extable.o fault.o init.o \
 				   cache.o copypage.o flush.o \
 				   ioremap.o mmap.o pgd.o mmu.o \
diff --git a/arch/arm64/mm/extable.c b/arch/arm64/mm/extable.c
index c9f118cd812b..81e694af5f8c 100644
--- a/arch/arm64/mm/extable.c
+++ b/arch/arm64/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Based on arch/arm/mm/extable.c
  */
diff --git a/arch/arm64/mm/physaddr.c b/arch/arm64/mm/physaddr.c
index 91371daf397c..67a9ba9eaa96 100644
--- a/arch/arm64/mm/physaddr.c
+++ b/arch/arm64/mm/physaddr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/export.h>
 #include <linux/types.h>
diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c
index eee4d864350c..02b18f8b2905 100644
--- a/arch/arm64/mm/ptdump_debugfs.c
+++ b/arch/arm64/mm/ptdump_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 89bdb8264305..af5369422032 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MMU
 	def_bool n
 
diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
index f3337ee03621..4ddd1b73ee3e 100644
--- a/arch/blackfin/Kconfig.debug
+++ b/arch/blackfin/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/blackfin/include/asm/clkdev.h b/arch/blackfin/include/asm/clkdev.h
index 7ac2436856a5..ded0209348c7 100644
--- a/arch/blackfin/include/asm/clkdev.h
+++ b/arch/blackfin/include/asm/clkdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CLKDEV__H_
 #define __ASM_CLKDEV__H_
 
diff --git a/arch/blackfin/include/asm/pci.h b/arch/blackfin/include/asm/pci.h
index 11ea1cb35036..e6458ddbaf7e 100644
--- a/arch/blackfin/include/asm/pci.h
+++ b/arch/blackfin/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Changed from asm-m68k version, Lineo Inc. 	May 2001	*/
 
 #ifndef _ASM_BFIN_PCI_H
diff --git a/arch/blackfin/include/asm/rwlock.h b/arch/blackfin/include/asm/rwlock.h
index 4a724b378971..98ebc07cb283 100644
--- a/arch/blackfin/include/asm/rwlock.h
+++ b/arch/blackfin/include/asm/rwlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_BLACKFIN_RWLOCK_H
 #define _ASM_BLACKFIN_RWLOCK_H
 
diff --git a/arch/blackfin/include/mach-common/ports-a.h b/arch/blackfin/include/mach-common/ports-a.h
index 9f78a761c40a..71bcd74f83fd 100644
--- a/arch/blackfin/include/mach-common/ports-a.h
+++ b/arch/blackfin/include/mach-common/ports-a.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port A Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-b.h b/arch/blackfin/include/mach-common/ports-b.h
index b81702f09ec6..8013cc8e839b 100644
--- a/arch/blackfin/include/mach-common/ports-b.h
+++ b/arch/blackfin/include/mach-common/ports-b.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port B Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-c.h b/arch/blackfin/include/mach-common/ports-c.h
index 3cc665e0ba08..94e71010ffe9 100644
--- a/arch/blackfin/include/mach-common/ports-c.h
+++ b/arch/blackfin/include/mach-common/ports-c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port C Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-d.h b/arch/blackfin/include/mach-common/ports-d.h
index 868c6a01f1b2..ba84a9fb3450 100644
--- a/arch/blackfin/include/mach-common/ports-d.h
+++ b/arch/blackfin/include/mach-common/ports-d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port D Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-e.h b/arch/blackfin/include/mach-common/ports-e.h
index c88b0d0dd443..2264fb58bc2b 100644
--- a/arch/blackfin/include/mach-common/ports-e.h
+++ b/arch/blackfin/include/mach-common/ports-e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port E Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-f.h b/arch/blackfin/include/mach-common/ports-f.h
index d6af20633278..2b8ca3ae2a8e 100644
--- a/arch/blackfin/include/mach-common/ports-f.h
+++ b/arch/blackfin/include/mach-common/ports-f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port F Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-g.h b/arch/blackfin/include/mach-common/ports-g.h
index 09355d333c0e..11ad917fcf91 100644
--- a/arch/blackfin/include/mach-common/ports-g.h
+++ b/arch/blackfin/include/mach-common/ports-g.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port G Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-h.h b/arch/blackfin/include/mach-common/ports-h.h
index fa3910c6fbd4..511d088b8094 100644
--- a/arch/blackfin/include/mach-common/ports-h.h
+++ b/arch/blackfin/include/mach-common/ports-h.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port H Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-i.h b/arch/blackfin/include/mach-common/ports-i.h
index f176f08af624..21bbab166ae8 100644
--- a/arch/blackfin/include/mach-common/ports-i.h
+++ b/arch/blackfin/include/mach-common/ports-i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port I Masks
  */
diff --git a/arch/blackfin/include/mach-common/ports-j.h b/arch/blackfin/include/mach-common/ports-j.h
index 924123ecec5a..96a252b0b0bd 100644
--- a/arch/blackfin/include/mach-common/ports-j.h
+++ b/arch/blackfin/include/mach-common/ports-j.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Port J Masks
  */
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 703dc7cf2ecc..1580791f0e3a 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/kernel/Makefile
 #
diff --git a/arch/blackfin/kernel/cplb-nompu/Makefile b/arch/blackfin/kernel/cplb-nompu/Makefile
index 394d0b1b28fe..81baa27bc389 100644
--- a/arch/blackfin/kernel/cplb-nompu/Makefile
+++ b/arch/blackfin/kernel/cplb-nompu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/kernel/cplb-nompu/Makefile
 #
diff --git a/arch/blackfin/lib/Makefile b/arch/blackfin/lib/Makefile
index 42c47dc9e12f..74ddde0eb2e7 100644
--- a/arch/blackfin/lib/Makefile
+++ b/arch/blackfin/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/lib/Makefile
 #
diff --git a/arch/blackfin/mach-bf518/Kconfig b/arch/blackfin/mach-bf518/Kconfig
index bde92a19970e..4731f6b27e47 100644
--- a/arch/blackfin/mach-bf518/Kconfig
+++ b/arch/blackfin/mach-bf518/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config BF51x
 	def_bool y
 	depends on (BF512 || BF514 || BF516 || BF518)
diff --git a/arch/blackfin/mach-bf518/boards/Kconfig b/arch/blackfin/mach-bf518/boards/Kconfig
index 252261ec04c4..f7b93b950ef4 100644
--- a/arch/blackfin/mach-bf518/boards/Kconfig
+++ b/arch/blackfin/mach-bf518/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN518F_EZBRD
diff --git a/arch/blackfin/mach-bf527/Kconfig b/arch/blackfin/mach-bf527/Kconfig
index 0ba54701af0b..6df20f9c7bd4 100644
--- a/arch/blackfin/mach-bf527/Kconfig
+++ b/arch/blackfin/mach-bf527/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config BF52x
 	def_bool y
 	depends on (BF522 || BF523 || BF524 || BF525 || BF526 || BF527)
diff --git a/arch/blackfin/mach-bf527/boards/Kconfig b/arch/blackfin/mach-bf527/boards/Kconfig
index 1cc2667c10f1..a76f02fae11c 100644
--- a/arch/blackfin/mach-bf527/boards/Kconfig
+++ b/arch/blackfin/mach-bf527/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN527_EZKIT
diff --git a/arch/blackfin/mach-bf527/boards/Makefile b/arch/blackfin/mach-bf527/boards/Makefile
index 1d67da9f05ac..6ada1537e20a 100644
--- a/arch/blackfin/mach-bf527/boards/Makefile
+++ b/arch/blackfin/mach-bf527/boards/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/mach-bf527/boards/Makefile
 #
diff --git a/arch/blackfin/mach-bf533/Kconfig b/arch/blackfin/mach-bf533/Kconfig
index 4c572443147e..4e1a05be7137 100644
--- a/arch/blackfin/mach-bf533/Kconfig
+++ b/arch/blackfin/mach-bf533/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if (BF533 || BF532 || BF531)
 
 source "arch/blackfin/mach-bf533/boards/Kconfig"
diff --git a/arch/blackfin/mach-bf533/boards/Kconfig b/arch/blackfin/mach-bf533/boards/Kconfig
index 8d8b3e7321e6..3fde0df1b5f2 100644
--- a/arch/blackfin/mach-bf533/boards/Kconfig
+++ b/arch/blackfin/mach-bf533/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN533_STAMP
diff --git a/arch/blackfin/mach-bf533/boards/Makefile b/arch/blackfin/mach-bf533/boards/Makefile
index ff1e832f80d2..35256d2fc040 100644
--- a/arch/blackfin/mach-bf533/boards/Makefile
+++ b/arch/blackfin/mach-bf533/boards/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/mach-bf533/boards/Makefile
 #
diff --git a/arch/blackfin/mach-bf537/Kconfig b/arch/blackfin/mach-bf537/Kconfig
index 08b2b343ccec..1d69b043afd4 100644
--- a/arch/blackfin/mach-bf537/Kconfig
+++ b/arch/blackfin/mach-bf537/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if (BF537 || BF534 || BF536)
 
 source "arch/blackfin/mach-bf537/boards/Kconfig"
diff --git a/arch/blackfin/mach-bf537/boards/Kconfig b/arch/blackfin/mach-bf537/boards/Kconfig
index a44bf3a1816e..60b7b29e512e 100644
--- a/arch/blackfin/mach-bf537/boards/Kconfig
+++ b/arch/blackfin/mach-bf537/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN537_STAMP
diff --git a/arch/blackfin/mach-bf537/boards/Makefile b/arch/blackfin/mach-bf537/boards/Makefile
index fe42258fe1f4..47a1acc5f389 100644
--- a/arch/blackfin/mach-bf537/boards/Makefile
+++ b/arch/blackfin/mach-bf537/boards/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/mach-bf537/boards/Makefile
 #
diff --git a/arch/blackfin/mach-bf538/Kconfig b/arch/blackfin/mach-bf538/Kconfig
index 2d280f504ab0..4aea85e4e5cf 100644
--- a/arch/blackfin/mach-bf538/Kconfig
+++ b/arch/blackfin/mach-bf538/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if (BF538 || BF539)
 
 source "arch/blackfin/mach-bf538/boards/Kconfig"
diff --git a/arch/blackfin/mach-bf538/boards/Kconfig b/arch/blackfin/mach-bf538/boards/Kconfig
index 215249ba58bb..114cff440d43 100644
--- a/arch/blackfin/mach-bf538/boards/Kconfig
+++ b/arch/blackfin/mach-bf538/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN538_EZKIT
diff --git a/arch/blackfin/mach-bf548/Kconfig b/arch/blackfin/mach-bf548/Kconfig
index 334ec7b12188..71c2a765af1d 100644
--- a/arch/blackfin/mach-bf548/Kconfig
+++ b/arch/blackfin/mach-bf548/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config BF542
 	def_bool y
 	depends on BF542_std || BF542M
diff --git a/arch/blackfin/mach-bf548/boards/Kconfig b/arch/blackfin/mach-bf548/boards/Kconfig
index d38e52671853..e8ce579ae8f0 100644
--- a/arch/blackfin/mach-bf548/boards/Kconfig
+++ b/arch/blackfin/mach-bf548/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN548_EZKIT
diff --git a/arch/blackfin/mach-bf561/Kconfig b/arch/blackfin/mach-bf561/Kconfig
index cb9743641511..059c3cbdb5ec 100644
--- a/arch/blackfin/mach-bf561/Kconfig
+++ b/arch/blackfin/mach-bf561/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if (BF561)
 
 source "arch/blackfin/mach-bf561/boards/Kconfig"
diff --git a/arch/blackfin/mach-bf561/boards/Kconfig b/arch/blackfin/mach-bf561/boards/Kconfig
index 1aa529b9f8bb..10e977b56710 100644
--- a/arch/blackfin/mach-bf561/boards/Kconfig
+++ b/arch/blackfin/mach-bf561/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN561_EZKIT
diff --git a/arch/blackfin/mach-bf609/Kconfig b/arch/blackfin/mach-bf609/Kconfig
index 6584190faeb8..7d6a8b8926ba 100644
--- a/arch/blackfin/mach-bf609/Kconfig
+++ b/arch/blackfin/mach-bf609/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config BF60x
 	def_bool y
 	depends on (BF609)
diff --git a/arch/blackfin/mach-bf609/boards/Kconfig b/arch/blackfin/mach-bf609/boards/Kconfig
index 30e8b6b0d2ed..350154b2a3ee 100644
--- a/arch/blackfin/mach-bf609/boards/Kconfig
+++ b/arch/blackfin/mach-bf609/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "System type"
 	default BFIN609_EZKIT
diff --git a/arch/blackfin/mach-bf609/clock.c b/arch/blackfin/mach-bf609/clock.c
index 392a59b9a504..16e0b09e2197 100644
--- a/arch/blackfin/mach-bf609/clock.c
+++ b/arch/blackfin/mach-bf609/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
diff --git a/arch/blackfin/mach-bf609/dpm.S b/arch/blackfin/mach-bf609/dpm.S
index 54d50c689db1..fcb8f688a8b2 100644
--- a/arch/blackfin/mach-bf609/dpm.S
+++ b/arch/blackfin/mach-bf609/dpm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/blackfin.h>
 #include <asm/dpmc.h>
diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile
index f09979204040..fcef1c8e117f 100644
--- a/arch/blackfin/mach-common/Makefile
+++ b/arch/blackfin/mach-common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/mach-common/Makefile
 #
diff --git a/arch/blackfin/mach-common/clock.h b/arch/blackfin/mach-common/clock.h
index 645ff460a1f2..fed851a51aaf 100644
--- a/arch/blackfin/mach-common/clock.h
+++ b/arch/blackfin/mach-common/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_COMMON_CLKDEV_H
 #define __MACH_COMMON_CLKDEV_H
 
diff --git a/arch/blackfin/oprofile/Makefile b/arch/blackfin/oprofile/Makefile
index c70af3a01297..e89e1c9f3496 100644
--- a/arch/blackfin/oprofile/Makefile
+++ b/arch/blackfin/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/blackfin/oprofile/Makefile
 #
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index 5aa8ea8bad2d..c6b4dd1418b4 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
diff --git a/arch/c6x/boot/Makefile b/arch/c6x/boot/Makefile
index 8734abee548e..842b7b0bfe80 100644
--- a/arch/c6x/boot/Makefile
+++ b/arch/c6x/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for bootable kernel images
 #
diff --git a/arch/c6x/boot/dts/Makefile b/arch/c6x/boot/dts/Makefile
index c7528b02d061..7368838c6e71 100644
--- a/arch/c6x/boot/dts/Makefile
+++ b/arch/c6x/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for device trees
 #
diff --git a/arch/c6x/boot/dts/tms320c6455.dtsi b/arch/c6x/boot/dts/tms320c6455.dtsi
index a804ec1e018b..0b21cb30343b 100644
--- a/arch/c6x/boot/dts/tms320c6455.dtsi
+++ b/arch/c6x/boot/dts/tms320c6455.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	#address-cells = <1>;
diff --git a/arch/c6x/boot/dts/tms320c6457.dtsi b/arch/c6x/boot/dts/tms320c6457.dtsi
index 35f40709a719..e49f7ae19124 100644
--- a/arch/c6x/boot/dts/tms320c6457.dtsi
+++ b/arch/c6x/boot/dts/tms320c6457.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	#address-cells = <1>;
diff --git a/arch/c6x/boot/dts/tms320c6472.dtsi b/arch/c6x/boot/dts/tms320c6472.dtsi
index b488aaec65c0..9dd4b04e78ef 100644
--- a/arch/c6x/boot/dts/tms320c6472.dtsi
+++ b/arch/c6x/boot/dts/tms320c6472.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	#address-cells = <1>;
diff --git a/arch/c6x/boot/dts/tms320c6474.dtsi b/arch/c6x/boot/dts/tms320c6474.dtsi
index cc601bf348a1..0ef5333629a6 100644
--- a/arch/c6x/boot/dts/tms320c6474.dtsi
+++ b/arch/c6x/boot/dts/tms320c6474.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	#address-cells = <1>;
diff --git a/arch/c6x/boot/dts/tms320c6678.dtsi b/arch/c6x/boot/dts/tms320c6678.dtsi
index 386196e5eae7..da1e3f2bf062 100644
--- a/arch/c6x/boot/dts/tms320c6678.dtsi
+++ b/arch/c6x/boot/dts/tms320c6678.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	#address-cells = <1>;
diff --git a/arch/c6x/include/asm/flat.h b/arch/c6x/include/asm/flat.h
index 6f1feb00bd52..76fd0bb962a3 100644
--- a/arch/c6x/include/asm/flat.h
+++ b/arch/c6x/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_C6X_FLAT_H
 #define __ASM_C6X_FLAT_H
 
diff --git a/arch/c6x/include/asm/linkage.h b/arch/c6x/include/asm/linkage.h
index 376925c47d57..1ad615da6479 100644
--- a/arch/c6x/include/asm/linkage.h
+++ b/arch/c6x/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_C6X_LINKAGE_H
 #define _ASM_C6X_LINKAGE_H
 
diff --git a/arch/c6x/include/asm/megamod-pic.h b/arch/c6x/include/asm/megamod-pic.h
index eca0a8678034..a0a6d596bf9b 100644
--- a/arch/c6x/include/asm/megamod-pic.h
+++ b/arch/c6x/include/asm/megamod-pic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _C6X_MEGAMOD_PIC_H
 #define _C6X_MEGAMOD_PIC_H
 
diff --git a/arch/c6x/include/asm/page.h b/arch/c6x/include/asm/page.h
index d18e2b0c7aea..70db1e7632bc 100644
--- a/arch/c6x/include/asm/page.h
+++ b/arch/c6x/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_C6X_PAGE_H
 #define _ASM_C6X_PAGE_H
 
diff --git a/arch/c6x/include/asm/sections.h b/arch/c6x/include/asm/sections.h
index f703989d837a..d6c591ab5b7e 100644
--- a/arch/c6x/include/asm/sections.h
+++ b/arch/c6x/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_C6X_SECTIONS_H
 #define _ASM_C6X_SECTIONS_H
 
diff --git a/arch/c6x/include/asm/timer64.h b/arch/c6x/include/asm/timer64.h
index bbe27bb9887e..b850dfef1f79 100644
--- a/arch/c6x/include/asm/timer64.h
+++ b/arch/c6x/include/asm/timer64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _C6X_TIMER64_H
 #define _C6X_TIMER64_H
 
diff --git a/arch/c6x/include/asm/tlb.h b/arch/c6x/include/asm/tlb.h
index 8709e5e29d2d..34525dea1356 100644
--- a/arch/c6x/include/asm/tlb.h
+++ b/arch/c6x/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_C6X_TLB_H
 #define _ASM_C6X_TLB_H
 
diff --git a/arch/c6x/kernel/Makefile b/arch/c6x/kernel/Makefile
index 580a515a9443..02f340d7b8fe 100644
--- a/arch/c6x/kernel/Makefile
+++ b/arch/c6x/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for arch/c6x/kernel/
 #
diff --git a/arch/c6x/kernel/asm-offsets.c b/arch/c6x/kernel/asm-offsets.c
index 60f1e437745d..cff57764fcad 100644
--- a/arch/c6x/kernel/asm-offsets.c
+++ b/arch/c6x/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed
diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S
index 29ebea49ddd5..1fba5b421eee 100644
--- a/arch/c6x/kernel/vmlinux.lds.S
+++ b/arch/c6x/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ld script for the c6x kernel
  *
diff --git a/arch/c6x/platforms/Kconfig b/arch/c6x/platforms/Kconfig
index c4a0fad89aaf..f3a9ae6e0e82 100644
--- a/arch/c6x/platforms/Kconfig
+++ b/arch/c6x/platforms/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 config SOC_TMS320C6455
 	bool "TMS320C6455"
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 71b758dc3a96..54d3f426763b 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MMU
 	bool
 	default y
diff --git a/arch/cris/Kconfig.debug b/arch/cris/Kconfig.debug
index 14881e81e8a3..6084d5e0c512 100644
--- a/arch/cris/Kconfig.debug
+++ b/arch/cris/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config PROFILING
diff --git a/arch/cris/arch-v10/Kconfig b/arch/cris/arch-v10/Kconfig
index df9a38b4f18f..d4015a931374 100644
--- a/arch/cris/arch-v10/Kconfig
+++ b/arch/cris/arch-v10/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ETRAX_ARCH_V10
 
 menu "CRIS v10 options"
diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig
index 239dab0b95c1..8792af63c049 100644
--- a/arch/cris/arch-v10/drivers/Kconfig
+++ b/arch/cris/arch-v10/drivers/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ETRAX_ARCH_V10
 
 config ETRAX_ETHERNET
diff --git a/arch/cris/arch-v10/drivers/Makefile b/arch/cris/arch-v10/drivers/Makefile
index e5c13183b97c..d5549dca81bf 100644
--- a/arch/cris/arch-v10/drivers/Makefile
+++ b/arch/cris/arch-v10/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Etrax-specific drivers
 #
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index 33558d270a53..2d312c8a4dd5 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*!*****************************************************************************
 *!
 *!  Implements an interface for i2c compatible eeproms to run under Linux.
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index dfd3b3ba5e4e..68dbe261dc57 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Etrax general port I/O device
  *
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index b3d1f9ed1b98..ec35d62e8e63 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*!***************************************************************************
 *!
 *! FILE NAME  : i2c.c
diff --git a/arch/cris/arch-v10/drivers/i2c.h b/arch/cris/arch-v10/drivers/i2c.h
index e36c96276478..de45c1ffbd7b 100644
--- a/arch/cris/arch-v10/drivers/i2c.h
+++ b/arch/cris/arch-v10/drivers/i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* i2c.h */
 int i2c_init(void);
 
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index cc62572c1b94..cfe9176f2205 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple synchronous serial port driver for ETRAX 100LX.
  *
diff --git a/arch/cris/arch-v10/kernel/Makefile b/arch/cris/arch-v10/kernel/Makefile
index 4841e822cdd1..7ec04b4a285e 100644
--- a/arch/cris/arch-v10/kernel/Makefile
+++ b/arch/cris/arch-v10/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/cris/arch-v10/kernel/crisksyms.c b/arch/cris/arch-v10/kernel/crisksyms.c
index 1ca6fc283232..e1d897ed5b37 100644
--- a/arch/cris/arch-v10/kernel/crisksyms.c
+++ b/arch/cris/arch-v10/kernel/crisksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <asm/io.h>
 #include <arch/svinto.h>
diff --git a/arch/cris/arch-v10/kernel/debugport.c b/arch/cris/arch-v10/kernel/debugport.c
index b6549e54be29..d30834d4dd7e 100644
--- a/arch/cris/arch-v10/kernel/debugport.c
+++ b/arch/cris/arch-v10/kernel/debugport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Serialport functions for debugging
  *
  * Copyright (c) 2000-2007 Axis Communications AB
diff --git a/arch/cris/arch-v10/kernel/dma.c b/arch/cris/arch-v10/kernel/dma.c
index 5795047359b2..c68e978def05 100644
--- a/arch/cris/arch-v10/kernel/dma.c
+++ b/arch/cris/arch-v10/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Wrapper for DMA channel allocator that updates DMA client muxing.
  * Copyright 2004-2007, Axis Communications AB
  */
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index b5622521dad5..1f066eebbd2b 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/cris/entry.S
  *
diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c
index e9298739d72e..94abbff557ff 100644
--- a/arch/cris/arch-v10/kernel/fasttimer.c
+++ b/arch/cris/arch-v10/kernel/fasttimer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/cris/kernel/fasttimer.c
  *
diff --git a/arch/cris/arch-v10/kernel/head.S b/arch/cris/arch-v10/kernel/head.S
index a74aa233b84e..b260a8833903 100644
--- a/arch/cris/arch-v10/kernel/head.S
+++ b/arch/cris/arch-v10/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Head of the kernel - alter with care
  *
diff --git a/arch/cris/arch-v10/kernel/io_interface_mux.c b/arch/cris/arch-v10/kernel/io_interface_mux.c
index ad64cd1c861a..13a887ce115a 100644
--- a/arch/cris/arch-v10/kernel/io_interface_mux.c
+++ b/arch/cris/arch-v10/kernel/io_interface_mux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* IO interface mux allocator for ETRAX100LX.
  * Copyright 2004-2007, Axis Communications AB
  */
diff --git a/arch/cris/arch-v10/kernel/irq.c b/arch/cris/arch-v10/kernel/irq.c
index 09cae80a834a..df11e383acdd 100644
--- a/arch/cris/arch-v10/kernel/irq.c
+++ b/arch/cris/arch-v10/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/cris/kernel/irq.c
  *
diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c
index ed71ade93a73..79b13564d15c 100644
--- a/arch/cris/arch-v10/kernel/kgdb.c
+++ b/arch/cris/arch-v10/kernel/kgdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*!**************************************************************************
 *!
 *! FILE NAME  : kgdb.c
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index a2cdb1521aca..16848b2c61c8 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/kernel/process.c
  *
diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index c2f2b9b83cc4..b89f57ae096e 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2000-2003, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v10/kernel/setup.c b/arch/cris/arch-v10/kernel/setup.c
index 7ab31f1c7540..8e4fc248f96f 100644
--- a/arch/cris/arch-v10/kernel/setup.c
+++ b/arch/cris/arch-v10/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  *  linux/arch/cris/arch-v10/kernel/setup.c
diff --git a/arch/cris/arch-v10/kernel/shadows.c b/arch/cris/arch-v10/kernel/shadows.c
index 2454a0b02f54..2e9565e868f2 100644
--- a/arch/cris/arch-v10/kernel/shadows.c
+++ b/arch/cris/arch-v10/kernel/shadows.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Various shadow registers. Defines for these are in include/asm-etrax100/io.h
  */
diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index bab4a8dd6bfd..2beffc37faf8 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/kernel/signal.c
  *
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index b5eb5cd2f60b..3d78373db254 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/arch-v10/kernel/time.c
  *
diff --git a/arch/cris/arch-v10/kernel/traps.c b/arch/cris/arch-v10/kernel/traps.c
index c0a501f29bd8..876d45b957f4 100644
--- a/arch/cris/arch-v10/kernel/traps.c
+++ b/arch/cris/arch-v10/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Helper functions for trap handlers
  *
diff --git a/arch/cris/arch-v10/lib/checksum.S b/arch/cris/arch-v10/lib/checksum.S
index 7d552f4bd5ae..a3b96391706f 100644
--- a/arch/cris/arch-v10/lib/checksum.S
+++ b/arch/cris/arch-v10/lib/checksum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A fast checksum routine using movem
  * Copyright (c) 1998-2001 Axis Communications AB
diff --git a/arch/cris/arch-v10/lib/checksumcopy.S b/arch/cris/arch-v10/lib/checksumcopy.S
index 540db8a5f849..b21449cb1ad3 100644
--- a/arch/cris/arch-v10/lib/checksumcopy.S
+++ b/arch/cris/arch-v10/lib/checksumcopy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A fast checksum+copy routine using movem
  * Copyright (c) 1998, 2001 Axis Communications AB
diff --git a/arch/cris/arch-v10/lib/csumcpfruser.S b/arch/cris/arch-v10/lib/csumcpfruser.S
index 5f41ccd62754..beb8992ed478 100644
--- a/arch/cris/arch-v10/lib/csumcpfruser.S
+++ b/arch/cris/arch-v10/lib/csumcpfruser.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Add-on to transform csum_partial_copy_nocheck in checksumcopy.S into
  * csum_partial_copy_from_user by adding exception records.
diff --git a/arch/cris/arch-v10/lib/dram_init.S b/arch/cris/arch-v10/lib/dram_init.S
index 93310124333f..fd7437577938 100644
--- a/arch/cris/arch-v10/lib/dram_init.S
+++ b/arch/cris/arch-v10/lib/dram_init.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * DRAM/SDRAM initialization - alter with care
  * This file is intended to be included from other assembler files
diff --git a/arch/cris/arch-v10/lib/hw_settings.S b/arch/cris/arch-v10/lib/hw_settings.S
index c09f19f478a5..0d449852517e 100644
--- a/arch/cris/arch-v10/lib/hw_settings.S
+++ b/arch/cris/arch-v10/lib/hw_settings.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This table is used by some tools to extract hardware parameters.
  * The table should be included in the kernel and the decompressor.
diff --git a/arch/cris/arch-v10/lib/usercopy.c b/arch/cris/arch-v10/lib/usercopy.c
index 48fa37fe0f9b..3f1e2f4680f7 100644
--- a/arch/cris/arch-v10/lib/usercopy.c
+++ b/arch/cris/arch-v10/lib/usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User address space access functions.
  * The non-inlined parts of asm-cris/uaccess.h are here.
diff --git a/arch/cris/arch-v10/mm/fault.c b/arch/cris/arch-v10/mm/fault.c
index 75210cbe61ce..e6c225169642 100644
--- a/arch/cris/arch-v10/mm/fault.c
+++ b/arch/cris/arch-v10/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/mm/fault.c
  *
diff --git a/arch/cris/arch-v10/mm/init.c b/arch/cris/arch-v10/mm/init.c
index 85e3f1b1f3ac..4da99a0e3b57 100644
--- a/arch/cris/arch-v10/mm/init.c
+++ b/arch/cris/arch-v10/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/arch-v10/mm/init.c
  *
diff --git a/arch/cris/arch-v10/mm/tlb.c b/arch/cris/arch-v10/mm/tlb.c
index 3225d38bdaea..7f1f752f2445 100644
--- a/arch/cris/arch-v10/mm/tlb.c
+++ b/arch/cris/arch-v10/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/arch-v10/mm/tlb.c
  *
diff --git a/arch/cris/arch-v32/Kconfig b/arch/cris/arch-v32/Kconfig
index 17dbe03af5f4..958dabfca7eb 100644
--- a/arch/cris/arch-v32/Kconfig
+++ b/arch/cris/arch-v32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ETRAX_ARCH_V32
 
 source arch/cris/arch-v32/mach-fs/Kconfig
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index b7cd6b9209a9..4d2d744bced2 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ETRAX_ARCH_V32
 
 config ETRAX_ETHERNET
diff --git a/arch/cris/arch-v32/drivers/Makefile b/arch/cris/arch-v32/drivers/Makefile
index b5a75fdce77b..57c9568707b0 100644
--- a/arch/cris/arch-v32/drivers/Makefile
+++ b/arch/cris/arch-v32/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Etrax-specific drivers
 #
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index 14970f11bbf2..d688fe117dca 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Stream co-processor driver for the ETRAX FS
  *
diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c
index 5cc622c0225e..6b9e6cfaa29e 100644
--- a/arch/cris/arch-v32/drivers/pci/bios.c
+++ b/arch/cris/arch-v32/drivers/pci/bios.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <hwregs/intr_vect.h>
diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c
index 7072341995ff..dbbd3816cc0b 100644
--- a/arch/cris/arch-v32/drivers/pci/dma.c
+++ b/arch/cris/arch-v32/drivers/pci/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dynamic DMA mapping support.
  *
diff --git a/arch/cris/arch-v32/kernel/Makefile b/arch/cris/arch-v32/kernel/Makefile
index d9fc617ea253..2db7e4f7c1fa 100644
--- a/arch/cris/arch-v32/kernel/Makefile
+++ b/arch/cris/arch-v32/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/cris/arch-v32/kernel/cache.c b/arch/cris/arch-v32/kernel/cache.c
index f38433b1f861..a080d2fa4803 100644
--- a/arch/cris/arch-v32/kernel/cache.c
+++ b/arch/cris/arch-v32/kernel/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <asm/io.h>
 #include <arch/cache.h>
diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S
index 6fc3d95d7029..2a54d793f96c 100644
--- a/arch/cris/arch-v32/kernel/cacheflush.S
+++ b/arch/cris/arch-v32/kernel/cacheflush.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.global cris_flush_cache_range
 	.type	cris_flush_cache_range, @function
 cris_flush_cache_range:
diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c
index b0566350a840..8cc8ad1cb532 100644
--- a/arch/cris/arch-v32/kernel/crisksyms.c
+++ b/arch/cris/arch-v32/kernel/crisksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/irq.h>
 #include <arch/dma.h>
diff --git a/arch/cris/arch-v32/kernel/debugport.c b/arch/cris/arch-v32/kernel/debugport.c
index d2f3f9c37102..69247fd2090a 100644
--- a/arch/cris/arch-v32/kernel/debugport.c
+++ b/arch/cris/arch-v32/kernel/debugport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2003, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index b17a20999f87..0793a52b2c34 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 2000-2003 Axis Communications AB
  *
diff --git a/arch/cris/arch-v32/kernel/fasttimer.c b/arch/cris/arch-v32/kernel/fasttimer.c
index eb4e0ff36295..7452c70f61ff 100644
--- a/arch/cris/arch-v32/kernel/fasttimer.c
+++ b/arch/cris/arch-v32/kernel/fasttimer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/cris/kernel/fasttimer.c
  *
diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S
index 5ce83eb54f58..92f9fb1f6845 100644
--- a/arch/cris/arch-v32/kernel/head.S
+++ b/arch/cris/arch-v32/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CRISv32 kernel startup code.
  *
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c
index b07da4b695aa..414afd543232 100644
--- a/arch/cris/arch-v32/kernel/irq.c
+++ b/arch/cris/arch-v32/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2003, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v32/kernel/kgdb.c b/arch/cris/arch-v32/kernel/kgdb.c
index e0fdea706eca..3d6f516763a5 100644
--- a/arch/cris/arch-v32/kernel/kgdb.c
+++ b/arch/cris/arch-v32/kernel/kgdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/cris/arch-v32/kernel/kgdb.c
  *
diff --git a/arch/cris/arch-v32/kernel/kgdb_asm.S b/arch/cris/arch-v32/kernel/kgdb_asm.S
index f3a47605902a..c26ea6b0e334 100644
--- a/arch/cris/arch-v32/kernel/kgdb_asm.S
+++ b/arch/cris/arch-v32/kernel/kgdb_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 2004 Axis Communications AB
  *
diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c
index fe87b383fbf3..a02f276d0ed4 100644
--- a/arch/cris/arch-v32/kernel/process.c
+++ b/arch/cris/arch-v32/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 2000-2003  Axis Communications AB
  *
diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c
index 0461e95bbb62..ccac1aaadc8a 100644
--- a/arch/cris/arch-v32/kernel/ptrace.c
+++ b/arch/cris/arch-v32/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2000-2007, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c
index fe50287aa928..a36372e35e96 100644
--- a/arch/cris/arch-v32/kernel/setup.c
+++ b/arch/cris/arch-v32/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Display CPU info in /proc/cpuinfo.
  *
diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index ea2e8e1398e8..4f2e3ba3bf40 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2003, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index d2a84407654a..d07a3912687e 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/arch-v32/kernel/time.c
  *
diff --git a/arch/cris/arch-v32/kernel/traps.c b/arch/cris/arch-v32/kernel/traps.c
index a34256515036..ba54c7eccbaa 100644
--- a/arch/cris/arch-v32/kernel/traps.c
+++ b/arch/cris/arch-v32/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2003-2006, Axis Communications AB.
  */
diff --git a/arch/cris/arch-v32/lib/checksum.S b/arch/cris/arch-v32/lib/checksum.S
index 4a72a94a49ad..f773d4d93609 100644
--- a/arch/cris/arch-v32/lib/checksum.S
+++ b/arch/cris/arch-v32/lib/checksum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A fast checksum routine using movem
  * Copyright (c) 1998-2007 Axis Communications AB
diff --git a/arch/cris/arch-v32/lib/checksumcopy.S b/arch/cris/arch-v32/lib/checksumcopy.S
index 54e209f18b06..a76e586d4114 100644
--- a/arch/cris/arch-v32/lib/checksumcopy.S
+++ b/arch/cris/arch-v32/lib/checksumcopy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A fast checksum+copy routine using movem
  * Copyright (c) 1998-2007 Axis Communications AB
diff --git a/arch/cris/arch-v32/lib/csumcpfruser.S b/arch/cris/arch-v32/lib/csumcpfruser.S
index 600ec16b9f28..093cd757fcfa 100644
--- a/arch/cris/arch-v32/lib/csumcpfruser.S
+++ b/arch/cris/arch-v32/lib/csumcpfruser.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Add-on to transform csum_partial_copy_nocheck in checksumcopy.S into
  * csum_partial_copy_from_user by adding exception records.
diff --git a/arch/cris/arch-v32/lib/delay.c b/arch/cris/arch-v32/lib/delay.c
index 39f1ac9995b4..db06a94ef646 100644
--- a/arch/cris/arch-v32/lib/delay.c
+++ b/arch/cris/arch-v32/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Precise Delay Loops for ETRAX FS
  *
diff --git a/arch/cris/arch-v32/lib/usercopy.c b/arch/cris/arch-v32/lib/usercopy.c
index 20b608026913..04e78b6ffa22 100644
--- a/arch/cris/arch-v32/lib/usercopy.c
+++ b/arch/cris/arch-v32/lib/usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User address space access functions.
  * The non-inlined parts of asm-cris/uaccess.h are here.
diff --git a/arch/cris/arch-v32/mach-a3/Kconfig b/arch/cris/arch-v32/mach-a3/Kconfig
index 87547271a595..7b63755544dd 100644
--- a/arch/cris/arch-v32/mach-a3/Kconfig
+++ b/arch/cris/arch-v32/mach-a3/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if CRIS_MACH_ARTPEC3
 
 menu "Artpec-3 options"
diff --git a/arch/cris/arch-v32/mach-a3/arbiter.c b/arch/cris/arch-v32/mach-a3/arbiter.c
index 735a9b0abdb8..076182cc65a3 100644
--- a/arch/cris/arch-v32/mach-a3/arbiter.c
+++ b/arch/cris/arch-v32/mach-a3/arbiter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Memory arbiter functions. Allocates bandwidth through the
  * arbiter and sets up arbiter breakpoints.
diff --git a/arch/cris/arch-v32/mach-a3/dma.c b/arch/cris/arch-v32/mach-a3/dma.c
index 11f417f4da98..3f4e923b2527 100644
--- a/arch/cris/arch-v32/mach-a3/dma.c
+++ b/arch/cris/arch-v32/mach-a3/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Wrapper for DMA channel allocator that starts clocks etc */
 
 #include <linux/kernel.h>
diff --git a/arch/cris/arch-v32/mach-a3/dram_init.S b/arch/cris/arch-v32/mach-a3/dram_init.S
index 7dc26bdb26b5..733c3564ad79 100644
--- a/arch/cris/arch-v32/mach-a3/dram_init.S
+++ b/arch/cris/arch-v32/mach-a3/dram_init.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * DDR SDRAM initialization - alter with care
  * This file is intended to be included from other assembler files
diff --git a/arch/cris/arch-v32/mach-a3/hw_settings.S b/arch/cris/arch-v32/mach-a3/hw_settings.S
index 0145725a1ce5..7c325cc59e1f 100644
--- a/arch/cris/arch-v32/mach-a3/hw_settings.S
+++ b/arch/cris/arch-v32/mach-a3/hw_settings.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This table is used by some tools to extract hardware parameters.
  * The table should be included in the kernel and the decompressor.
diff --git a/arch/cris/arch-v32/mach-a3/pinmux.c b/arch/cris/arch-v32/mach-a3/pinmux.c
index 591f77526746..4875bf7aa53f 100644
--- a/arch/cris/arch-v32/mach-a3/pinmux.c
+++ b/arch/cris/arch-v32/mach-a3/pinmux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Allocator for I/O pins. All pins are allocated to GPIO at bootup.
  * Unassigned pins and GPIO pins can be allocated to a fixed interface
diff --git a/arch/cris/arch-v32/mach-fs/Kconfig b/arch/cris/arch-v32/mach-fs/Kconfig
index 7d1ab972bc0f..743ba3bcbaec 100644
--- a/arch/cris/arch-v32/mach-fs/Kconfig
+++ b/arch/cris/arch-v32/mach-fs/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ETRAXFS
 
 menu "ETRAX FS options"
diff --git a/arch/cris/arch-v32/mach-fs/arbiter.c b/arch/cris/arch-v32/mach-fs/arbiter.c
index 047c70bdbb23..c4750d97e46c 100644
--- a/arch/cris/arch-v32/mach-fs/arbiter.c
+++ b/arch/cris/arch-v32/mach-fs/arbiter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Memory arbiter functions. Allocates bandwidth through the
  * arbiter and sets up arbiter breakpoints.
diff --git a/arch/cris/arch-v32/mach-fs/dma.c b/arch/cris/arch-v32/mach-fs/dma.c
index 7c93679c02ad..c0347a4f8c65 100644
--- a/arch/cris/arch-v32/mach-fs/dma.c
+++ b/arch/cris/arch-v32/mach-fs/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Wrapper for DMA channel allocator that starts clocks etc */
 
 #include <linux/kernel.h>
diff --git a/arch/cris/arch-v32/mach-fs/dram_init.S b/arch/cris/arch-v32/mach-fs/dram_init.S
index 2ed51e247e8f..e1a01fa4c272 100644
--- a/arch/cris/arch-v32/mach-fs/dram_init.S
+++ b/arch/cris/arch-v32/mach-fs/dram_init.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * DRAM/SDRAM initialization - alter with care
  * This file is intended to be included from other assembler files
diff --git a/arch/cris/arch-v32/mach-fs/hw_settings.S b/arch/cris/arch-v32/mach-fs/hw_settings.S
index 8bde93c36214..7fbadcc48c0c 100644
--- a/arch/cris/arch-v32/mach-fs/hw_settings.S
+++ b/arch/cris/arch-v32/mach-fs/hw_settings.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This table is used by some tools to extract hardware parameters.
  * The table should be included in the kernel and the decompressor.
diff --git a/arch/cris/arch-v32/mach-fs/pinmux.c b/arch/cris/arch-v32/mach-fs/pinmux.c
index d8a3a3c439dd..a0b2f101003a 100644
--- a/arch/cris/arch-v32/mach-fs/pinmux.c
+++ b/arch/cris/arch-v32/mach-fs/pinmux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Allocator for I/O pins. All pins are allocated to GPIO at bootup.
  * Unassigned pins and GPIO pins can be allocated to a fixed interface
diff --git a/arch/cris/arch-v32/mm/init.c b/arch/cris/arch-v32/mm/init.c
index f5438ca8122d..784876afa001 100644
--- a/arch/cris/arch-v32/mm/init.c
+++ b/arch/cris/arch-v32/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Set up paging and the MMU.
  *
diff --git a/arch/cris/arch-v32/mm/intmem.c b/arch/cris/arch-v32/mm/intmem.c
index c80728401487..928b94d1d320 100644
--- a/arch/cris/arch-v32/mm/intmem.c
+++ b/arch/cris/arch-v32/mm/intmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple allocator for internal RAM in ETRAX FS
  *
diff --git a/arch/cris/arch-v32/mm/l2cache.c b/arch/cris/arch-v32/mm/l2cache.c
index 332ff10dcc6b..4fef321d5606 100644
--- a/arch/cris/arch-v32/mm/l2cache.c
+++ b/arch/cris/arch-v32/mm/l2cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/arch/cris/arch-v32/mm/mmu.S b/arch/cris/arch-v32/mm/mmu.S
index c0981044eccb..f24965703f6d 100644
--- a/arch/cris/arch-v32/mm/mmu.S
+++ b/arch/cris/arch-v32/mm/mmu.S
@@ -1,3 +1,4 @@
+; SPDX-License-Identifier: GPL-2.0
 ; WARNING : The refill handler has been modified, see below !!!
 
 /*
diff --git a/arch/cris/arch-v32/mm/tlb.c b/arch/cris/arch-v32/mm/tlb.c
index bc3de5b5e27c..9e4b5ab4971d 100644
--- a/arch/cris/arch-v32/mm/tlb.c
+++ b/arch/cris/arch-v32/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Low level TLB handling.
  *
diff --git a/arch/cris/boot/Makefile b/arch/cris/boot/Makefile
index 6e3b509fd7fc..859d275f862b 100644
--- a/arch/cris/boot/Makefile
+++ b/arch/cris/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/cris/boot/Makefile
 #
diff --git a/arch/cris/boot/compressed/Makefile b/arch/cris/boot/compressed/Makefile
index e4ba0be0e782..e149c3467c93 100644
--- a/arch/cris/boot/compressed/Makefile
+++ b/arch/cris/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/cris/boot/compressed/Makefile
 #
diff --git a/arch/cris/boot/compressed/decompress_v10.lds b/arch/cris/boot/compressed/decompress_v10.lds
index e80f4594d543..d8326779dda2 100644
--- a/arch/cris/boot/compressed/decompress_v10.lds
+++ b/arch/cris/boot/compressed/decompress_v10.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* OUTPUT_FORMAT(elf32-us-cris) */
 OUTPUT_FORMAT(elf32-cris)
 
diff --git a/arch/cris/boot/compressed/decompress_v32.lds b/arch/cris/boot/compressed/decompress_v32.lds
index 3c837feca3ac..91d311c243ed 100644
--- a/arch/cris/boot/compressed/decompress_v32.lds
+++ b/arch/cris/boot/compressed/decompress_v32.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*#OUTPUT_FORMAT(elf32-us-cris) */
 OUTPUT_ARCH (crisv32)
 
diff --git a/arch/cris/boot/compressed/head_v10.S b/arch/cris/boot/compressed/head_v10.S
index 9edb8ade7e1f..08198d8cd37f 100644
--- a/arch/cris/boot/compressed/head_v10.S
+++ b/arch/cris/boot/compressed/head_v10.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/cris/boot/compressed/head.S
  *
diff --git a/arch/cris/boot/compressed/head_v32.S b/arch/cris/boot/compressed/head_v32.S
index f483005f3d48..a997947d31e3 100644
--- a/arch/cris/boot/compressed/head_v32.S
+++ b/arch/cris/boot/compressed/head_v32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Code that sets up the DRAM registers, calls the
  *  decompressor to unpack the piggybacked kernel, and jumps.
diff --git a/arch/cris/boot/compressed/misc.c b/arch/cris/boot/compressed/misc.c
index 548d886b03d3..1ad464a117b8 100644
--- a/arch/cris/boot/compressed/misc.c
+++ b/arch/cris/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c
  *
diff --git a/arch/cris/boot/dts/Makefile b/arch/cris/boot/dts/Makefile
index faf69fb9919f..3318c630caa2 100644
--- a/arch/cris/boot/dts/Makefile
+++ b/arch/cris/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
 ifneq ($(CONFIG_BUILTIN_DTB),"")
 obj-$(CONFIG_OF) += $(BUILTIN_DTB)
diff --git a/arch/cris/boot/dts/artpec3.dtsi b/arch/cris/boot/dts/artpec3.dtsi
index be15be67b653..f857300f4edd 100644
--- a/arch/cris/boot/dts/artpec3.dtsi
+++ b/arch/cris/boot/dts/artpec3.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/cris/boot/dts/dev88.dts b/arch/cris/boot/dts/dev88.dts
index b9a230d10874..415270ea5309 100644
--- a/arch/cris/boot/dts/dev88.dts
+++ b/arch/cris/boot/dts/dev88.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/cris/boot/dts/etraxfs.dtsi b/arch/cris/boot/dts/etraxfs.dtsi
index bf1b8582d4d8..4513edf72545 100644
--- a/arch/cris/boot/dts/etraxfs.dtsi
+++ b/arch/cris/boot/dts/etraxfs.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/cris/boot/dts/p1343.dts b/arch/cris/boot/dts/p1343.dts
index fab7bdbd0f15..6030561d4574 100644
--- a/arch/cris/boot/dts/p1343.dts
+++ b/arch/cris/boot/dts/p1343.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/cris/boot/rescue/Makefile b/arch/cris/boot/rescue/Makefile
index a82025940006..f73ac4c83b96 100644
--- a/arch/cris/boot/rescue/Makefile
+++ b/arch/cris/boot/rescue/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for rescue (bootstrap) code
 #
diff --git a/arch/cris/boot/rescue/head_v10.S b/arch/cris/boot/rescue/head_v10.S
index 1c05492f3eb2..11eedb1bf31a 100644
--- a/arch/cris/boot/rescue/head_v10.S
+++ b/arch/cris/boot/rescue/head_v10.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Rescue code, made to reside at the beginning of the
  * flash-memory. when it starts, it checks a partition
diff --git a/arch/cris/boot/rescue/head_v32.S b/arch/cris/boot/rescue/head_v32.S
index 5f846b7700a3..9eb04abaa0c0 100644
--- a/arch/cris/boot/rescue/head_v32.S
+++ b/arch/cris/boot/rescue/head_v32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Just get started by jumping to CONFIG_ETRAX_PTABLE_SECTOR to start
  * kernel decompressor.
diff --git a/arch/cris/boot/rescue/kimagerescue.S b/arch/cris/boot/rescue/kimagerescue.S
index 655b511fecf3..3306098dee15 100644
--- a/arch/cris/boot/rescue/kimagerescue.S
+++ b/arch/cris/boot/rescue/kimagerescue.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Rescue code to be prepended on a kimage and copied to the
  * rescue serial port.
diff --git a/arch/cris/boot/rescue/rescue_v10.lds b/arch/cris/boot/rescue/rescue_v10.lds
index 0b52a9490db6..e58a53f91728 100644
--- a/arch/cris/boot/rescue/rescue_v10.lds
+++ b/arch/cris/boot/rescue/rescue_v10.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 MEMORY 
 	{
 	flash : ORIGIN = 0x00000000,
diff --git a/arch/cris/boot/rescue/rescue_v32.lds b/arch/cris/boot/rescue/rescue_v32.lds
index 8ac646bc1a2b..f1542183f263 100644
--- a/arch/cris/boot/rescue/rescue_v32.lds
+++ b/arch/cris/boot/rescue/rescue_v32.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*#OUTPUT_FORMAT(elf32-us-cris) */
 OUTPUT_ARCH (crisv32)
 /* Now that NAND support has been stripped, this file could be simplified,
diff --git a/arch/cris/boot/rescue/testrescue.S b/arch/cris/boot/rescue/testrescue.S
index fc7ec674eca5..06f78a0b0622 100644
--- a/arch/cris/boot/rescue/testrescue.S
+++ b/arch/cris/boot/rescue/testrescue.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Simple testcode to download by the rescue block.
  * Just lights some LEDs to show it was downloaded correctly.
diff --git a/arch/cris/boot/tools/build.c b/arch/cris/boot/tools/build.c
index c8adef364160..3ae485049779 100644
--- a/arch/cris/boot/tools/build.c
+++ b/arch/cris/boot/tools/build.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/tools/build.c
  *
diff --git a/arch/cris/include/arch-v10/arch/bitops.h b/arch/cris/include/arch-v10/arch/bitops.h
index 03d9cfd92c8a..c18f81858899 100644
--- a/arch/cris/include/arch-v10/arch/bitops.h
+++ b/arch/cris/include/arch-v10/arch/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* asm/arch/bitops.h for Linux/CRISv10 */
 
 #ifndef _CRIS_ARCH_BITOPS_H
diff --git a/arch/cris/include/arch-v10/arch/bug.h b/arch/cris/include/arch-v10/arch/bug.h
index 3485d6b34bb0..905afeacfedf 100644
--- a/arch/cris/include/arch-v10/arch/bug.h
+++ b/arch/cris/include/arch-v10/arch/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRISv10_ARCH_BUG_H
 #define __ASM_CRISv10_ARCH_BUG_H
 
diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h
index aea27184d2d2..d4049bcab3c5 100644
--- a/arch/cris/include/arch-v10/arch/cache.h
+++ b/arch/cris/include/arch-v10/arch/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_CACHE_H
 #define _ASM_ARCH_CACHE_H
 
diff --git a/arch/cris/include/arch-v10/arch/checksum.h b/arch/cris/include/arch-v10/arch/checksum.h
index d1d1bd9e1090..eb186be4fb32 100644
--- a/arch/cris/include/arch-v10/arch/checksum.h
+++ b/arch/cris/include/arch-v10/arch/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_CHECKSUM_H
 #define _CRIS_ARCH_CHECKSUM_H
 
diff --git a/arch/cris/include/arch-v10/arch/delay.h b/arch/cris/include/arch-v10/arch/delay.h
index 39481f6e0c30..a57d2cc0baf7 100644
--- a/arch/cris/include/arch-v10/arch/delay.h
+++ b/arch/cris/include/arch-v10/arch/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_DELAY_H
 #define _CRIS_ARCH_DELAY_H
 
diff --git a/arch/cris/include/arch-v10/arch/dma.h b/arch/cris/include/arch-v10/arch/dma.h
index ecb9dba6fa4f..ea794a32cf5e 100644
--- a/arch/cris/include/arch-v10/arch/dma.h
+++ b/arch/cris/include/arch-v10/arch/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Defines for using and allocating dma channels. */
 
 #ifndef _ASM_ARCH_DMA_H
diff --git a/arch/cris/include/arch-v10/arch/io.h b/arch/cris/include/arch-v10/arch/io.h
index 4a724172877f..bae5f77cfabc 100644
--- a/arch/cris/include/arch-v10/arch/io.h
+++ b/arch/cris/include/arch-v10/arch/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_CRIS_IO_H
 #define _ASM_ARCH_CRIS_IO_H
 
diff --git a/arch/cris/include/arch-v10/arch/io_interface_mux.h b/arch/cris/include/arch-v10/arch/io_interface_mux.h
index d92500080883..2d5617e67ab0 100644
--- a/arch/cris/include/arch-v10/arch/io_interface_mux.h
+++ b/arch/cris/include/arch-v10/arch/io_interface_mux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* IO interface mux allocator for ETRAX100LX.
  * Copyright 2004, Axis Communications AB
  * $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $
diff --git a/arch/cris/include/arch-v10/arch/irq.h b/arch/cris/include/arch-v10/arch/irq.h
index 6aecb835037d..c4e8a78e33d1 100644
--- a/arch/cris/include/arch-v10/arch/irq.h
+++ b/arch/cris/include/arch-v10/arch/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Interrupt handling assembler and defines for Linux/CRISv10
  */
diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h
index 75ef18991240..9959b0a8a58c 100644
--- a/arch/cris/include/arch-v10/arch/irqflags.h
+++ b/arch/cris/include/arch-v10/arch/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
 #define __ASM_CRIS_ARCH_IRQFLAGS_H
 
diff --git a/arch/cris/include/arch-v10/arch/memmap.h b/arch/cris/include/arch-v10/arch/memmap.h
index 13f3b971407f..b6b171f48b29 100644
--- a/arch/cris/include/arch-v10/arch/memmap.h
+++ b/arch/cris/include/arch-v10/arch/memmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_MEMMAP_H
 #define _ASM_ARCH_MEMMAP_H
 
diff --git a/arch/cris/include/arch-v10/arch/mmu.h b/arch/cris/include/arch-v10/arch/mmu.h
index 47a5dd21749d..74c53048be79 100644
--- a/arch/cris/include/arch-v10/arch/mmu.h
+++ b/arch/cris/include/arch-v10/arch/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CRIS MMU constants and PTE layout
  */
diff --git a/arch/cris/include/arch-v10/arch/offset.h b/arch/cris/include/arch-v10/arch/offset.h
index 675b51d85639..6f0f2b4a163f 100644
--- a/arch/cris/include/arch-v10/arch/offset.h
+++ b/arch/cris/include/arch-v10/arch/offset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_OFFSETS_H__
 #define __ASM_OFFSETS_H__
 /*
diff --git a/arch/cris/include/arch-v10/arch/page.h b/arch/cris/include/arch-v10/arch/page.h
index ffafc99c3472..a4bbff64868c 100644
--- a/arch/cris/include/arch-v10/arch/page.h
+++ b/arch/cris/include/arch-v10/arch/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_PAGE_H
 #define _CRIS_ARCH_PAGE_H
 
diff --git a/arch/cris/include/arch-v10/arch/pgtable.h b/arch/cris/include/arch-v10/arch/pgtable.h
index 2a2576d1fc97..a61532d06acb 100644
--- a/arch/cris/include/arch-v10/arch/pgtable.h
+++ b/arch/cris/include/arch-v10/arch/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_PGTABLE_H
 #define _CRIS_ARCH_PGTABLE_H
 
diff --git a/arch/cris/include/arch-v10/arch/processor.h b/arch/cris/include/arch-v10/arch/processor.h
index 93feb2a487d8..b2df646bc1eb 100644
--- a/arch/cris/include/arch-v10/arch/processor.h
+++ b/arch/cris/include/arch-v10/arch/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_ARCH_PROCESSOR_H
 #define __ASM_CRIS_ARCH_PROCESSOR_H
 
diff --git a/arch/cris/include/arch-v10/arch/swab.h b/arch/cris/include/arch-v10/arch/swab.h
index e4e847d8a05e..8cc27dfb9d3a 100644
--- a/arch/cris/include/arch-v10/arch/swab.h
+++ b/arch/cris/include/arch-v10/arch/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_SWAB_H
 #define _CRIS_ARCH_SWAB_H
 
diff --git a/arch/cris/include/arch-v10/arch/system.h b/arch/cris/include/arch-v10/arch/system.h
index 9b5580f58b96..4c63f728122b 100644
--- a/arch/cris/include/arch-v10/arch/system.h
+++ b/arch/cris/include/arch-v10/arch/system.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_ARCH_SYSTEM_H
 #define __ASM_CRIS_ARCH_SYSTEM_H
 
diff --git a/arch/cris/include/arch-v10/arch/thread_info.h b/arch/cris/include/arch-v10/arch/thread_info.h
index 218f4152d3e5..0ef1223998c1 100644
--- a/arch/cris/include/arch-v10/arch/thread_info.h
+++ b/arch/cris/include/arch-v10/arch/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_THREAD_INFO_H
 #define _ASM_ARCH_THREAD_INFO_H
 
diff --git a/arch/cris/include/arch-v10/arch/timex.h b/arch/cris/include/arch-v10/arch/timex.h
index e48447d94faf..9c9583e5aed6 100644
--- a/arch/cris/include/arch-v10/arch/timex.h
+++ b/arch/cris/include/arch-v10/arch/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Use prescale timer at 25000 Hz instead of the baudrate timer at 
  * 19200 to get rid of the 64ppm to fast timer (and we get better 
diff --git a/arch/cris/include/arch-v10/arch/tlb.h b/arch/cris/include/arch-v10/arch/tlb.h
index 31525bbe75c3..9f039d83f21b 100644
--- a/arch/cris/include/arch-v10/arch/tlb.h
+++ b/arch/cris/include/arch-v10/arch/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_TLB_H
 #define _CRIS_ARCH_TLB_H
 
diff --git a/arch/cris/include/arch-v10/arch/uaccess.h b/arch/cris/include/arch-v10/arch/uaccess.h
index 5477c98c2281..8d033c534f1f 100644
--- a/arch/cris/include/arch-v10/arch/uaccess.h
+++ b/arch/cris/include/arch-v10/arch/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * Authors:    Bjorn Wesen (bjornw@axis.com)
  *	       Hans-Peter Nilsson (hp@axis.com)
diff --git a/arch/cris/include/arch-v10/arch/unistd.h b/arch/cris/include/arch-v10/arch/unistd.h
index d1a38b9e6264..03cd0b8652f4 100644
--- a/arch/cris/include/arch-v10/arch/unistd.h
+++ b/arch/cris/include/arch-v10/arch/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_UNISTD_H_
 #define _ASM_CRIS_ARCH_UNISTD_H_
 
diff --git a/arch/cris/include/arch-v32/arch/bitops.h b/arch/cris/include/arch-v32/arch/bitops.h
index 147689d6b624..7df94798f063 100644
--- a/arch/cris/include/arch-v32/arch/bitops.h
+++ b/arch/cris/include/arch-v32/arch/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_BITOPS_H
 #define _ASM_CRIS_ARCH_BITOPS_H
 
diff --git a/arch/cris/include/arch-v32/arch/bug.h b/arch/cris/include/arch-v32/arch/bug.h
index fb59faaaae0a..982c6b08fdf1 100644
--- a/arch/cris/include/arch-v32/arch/bug.h
+++ b/arch/cris/include/arch-v32/arch/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRISv32_ARCH_BUG_H
 #define __ASM_CRISv32_ARCH_BUG_H
 
diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
index 7caf25d58e6b..f61f3088c45b 100644
--- a/arch/cris/include/arch-v32/arch/cache.h
+++ b/arch/cris/include/arch-v32/arch/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_CACHE_H
 #define _ASM_CRIS_ARCH_CACHE_H
 
diff --git a/arch/cris/include/arch-v32/arch/checksum.h b/arch/cris/include/arch-v32/arch/checksum.h
index 65cf205b1329..fea1341ef244 100644
--- a/arch/cris/include/arch-v32/arch/checksum.h
+++ b/arch/cris/include/arch-v32/arch/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_CHECKSUM_H
 #define _ASM_CRIS_ARCH_CHECKSUM_H
 
diff --git a/arch/cris/include/arch-v32/arch/cryptocop.h b/arch/cris/include/arch-v32/arch/cryptocop.h
index a56ac61a9931..f2f8eda1ffb1 100644
--- a/arch/cris/include/arch-v32/arch/cryptocop.h
+++ b/arch/cris/include/arch-v32/arch/cryptocop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The device /dev/cryptocop is accessible using this driver using
  * CRYPTOCOP_MAJOR (254) and minor number 0.
diff --git a/arch/cris/include/arch-v32/arch/delay.h b/arch/cris/include/arch-v32/arch/delay.h
index e9fda03810a9..94307c1fbb1c 100644
--- a/arch/cris/include/arch-v32/arch/delay.h
+++ b/arch/cris/include/arch-v32/arch/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_DELAY_H
 #define _ASM_CRIS_ARCH_DELAY_H
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/Makefile b/arch/cris/include/arch-v32/arch/hwregs/Makefile
index b8b3f8d666e4..bb5ffa7ff9f4 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/Makefile
+++ b/arch/cris/include/arch-v32/arch/hwregs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile to generate or copy the latest register definitions
 # and related datastructures and helpermacros.
 # The official place for these files is at:
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/ata_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/ata_defs_asm.h
index 866191418f9c..6886ba3c2d53 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/ata_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/ata_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ata_defs_asm_h
 #define __ata_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_core_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_core_defs_asm.h
index c686cb335621..1d75d8c31cc0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_core_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_core_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_core_defs_asm_h
 #define __bif_core_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_dma_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_dma_defs_asm.h
index 71532aa18168..a07447fa75f8 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_dma_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_dma_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_dma_defs_asm_h
 #define __bif_dma_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_slave_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_slave_defs_asm.h
index 031f33a365bb..55697fec603e 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/bif_slave_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/bif_slave_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_slave_defs_asm_h
 #define __bif_slave_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/config_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/config_defs_asm.h
index e98476332e1f..6455b4897bcc 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/config_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/config_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __config_defs_asm_h
 #define __config_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/cris_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/cris_defs_asm.h
index 7f768db272e2..bd048296d2f8 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/cris_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/cris_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __cris_defs_asm_h
 #define __cris_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/cris_supp_reg.h b/arch/cris/include/arch-v32/arch/hwregs/asm/cris_supp_reg.h
index 7d3689a6f80d..429fe0d4ffe4 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/cris_supp_reg.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/cris_supp_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define RW_GC_CFG	0
 #define RW_GC_CCS	1
 #define RW_GC_SRS	2
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/dma_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/dma_defs_asm.h
index 0cb71bc127ae..fec451d2a3db 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/dma_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/dma_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __dma_defs_asm_h
 #define __dma_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/eth_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/eth_defs_asm.h
index c9f49864831b..97fe523d4d72 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/eth_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/eth_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __eth_defs_asm_h
 #define __eth_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/gio_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/gio_defs_asm.h
index 35356bc08629..41bc2f83795c 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/gio_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/gio_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __gio_defs_asm_h
 #define __gio_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect.h b/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect.h
index c8315905c571..e371052fa1bc 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Interrupt vector numbers autogenerated by /n/asic/design/tools/rdesc/src/rdes2intr version
  from ../../inst/intr_vect/rtl/guinness/ivmask.config.r
 version . */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect_defs_asm.h
index 6df2a433b02d..8d0c788b286b 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/intr_vect_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __intr_vect_defs_asm_h
 #define __intr_vect_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/irq_nmi_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/irq_nmi_defs_asm.h
index 0c8084054840..f624468346af 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/irq_nmi_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/irq_nmi_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __irq_nmi_defs_asm_h
 #define __irq_nmi_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/marb_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/marb_defs_asm.h
index 45400eb8d389..6a5ce2141860 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/marb_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/marb_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_defs_asm_h
 #define __marb_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_defs_asm.h
index 505b7a16d878..083174678961 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __mmu_defs_asm_h
 #define __mmu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_supp_reg.h b/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_supp_reg.h
index 339500bf3bc0..fd66daa79259 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_supp_reg.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/mmu_supp_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define RW_MM_CFG	0
 #define RW_MM_KBASE_LO	1
 #define RW_MM_KBASE_HI	2
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/rt_trace_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/rt_trace_defs_asm.h
index 10246f49fb28..72b3d231d80f 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/rt_trace_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/rt_trace_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __rt_trace_defs_asm_h
 #define __rt_trace_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/ser_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/ser_defs_asm.h
index 4a2808bdf390..944f4c7666b4 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/ser_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/ser_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ser_defs_asm_h
 #define __ser_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/sser_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/sser_defs_asm.h
index 27d4d91b3abd..607b505100fa 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/sser_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/sser_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __sser_defs_asm_h
 #define __sser_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/strcop_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/strcop_defs_asm.h
index 55083e6aec93..fab117b00ab6 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/strcop_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/strcop_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __strcop_defs_asm_h
 #define __strcop_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/strmux_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/strmux_defs_asm.h
index 69b299920f71..73755fa8a526 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/strmux_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/strmux_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __strmux_defs_asm_h
 #define __strmux_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/asm/timer_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/asm/timer_defs_asm.h
index 43146021fc16..cc67986d7437 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/asm/timer_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/asm/timer_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __timer_defs_asm_h
 #define __timer_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/ata_defs.h b/arch/cris/include/arch-v32/arch/hwregs/ata_defs.h
index 43b6643ff0d3..2a8adbcf75d8 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/ata_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/ata_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ata_defs_h
 #define __ata_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/bif_core_defs.h b/arch/cris/include/arch-v32/arch/hwregs/bif_core_defs.h
index a56608b50359..054841c45466 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/bif_core_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/bif_core_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_core_defs_h
 #define __bif_core_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/bif_dma_defs.h b/arch/cris/include/arch-v32/arch/hwregs/bif_dma_defs.h
index b931c1aab679..5c4abf5c0167 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/bif_dma_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/bif_dma_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_dma_defs_h
 #define __bif_dma_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/bif_slave_defs.h b/arch/cris/include/arch-v32/arch/hwregs/bif_slave_defs.h
index d18fc3c9f569..80c740b3c785 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/bif_slave_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/bif_slave_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_slave_defs_h
 #define __bif_slave_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/config_defs.h b/arch/cris/include/arch-v32/arch/hwregs/config_defs.h
index 45457a4e3817..1c5da14f27f3 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/config_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/config_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __config_defs_h
 #define __config_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/cpu_vect.h b/arch/cris/include/arch-v32/arch/hwregs/cpu_vect.h
index 8370aee8a14a..913f918bba14 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/cpu_vect.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/cpu_vect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Interrupt vector numbers autogenerated by /n/asic/design/tools/rdesc/src/rdes2intr version
  from ../../inst/crisp/doc/cpu_vect.r
 version . */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/dma.h b/arch/cris/include/arch-v32/arch/hwregs/dma.h
index 52bf67907f28..dd24c6da09e0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/dma.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * DMA C definitions and help macros
  *
diff --git a/arch/cris/include/arch-v32/arch/hwregs/dma_defs.h b/arch/cris/include/arch-v32/arch/hwregs/dma_defs.h
index 48ac8cef7ebe..a67826f5fe21 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/dma_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/dma_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __dma_defs_h
 #define __dma_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/eth_defs.h b/arch/cris/include/arch-v32/arch/hwregs/eth_defs.h
index 90fe8a28894f..d8021b44e5e6 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/eth_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/eth_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __eth_defs_h
 #define __eth_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/extmem_defs.h b/arch/cris/include/arch-v32/arch/hwregs/extmem_defs.h
index c47b5ca48ece..5937ed7a5228 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/extmem_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/extmem_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __extmem_defs_h
 #define __extmem_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile b/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile
index 0747a22e3c07..1b9467ae65c1 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # $Id: Makefile,v 1.3 2004/01/07 20:34:55 johana Exp $
 # Makefile to generate or copy the latest register definitions
 # and related datastructures and helpermacros.
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_crc_par_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_crc_par_defs_asm.h
index a4b58000c164..10443d789a66 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_crc_par_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_crc_par_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_crc_par_defs_asm_h
 #define __iop_crc_par_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_in_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_in_defs_asm.h
index e7d539feccb1..fdee9bbe1fd4 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_in_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_in_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_dmc_in_defs_asm_h
 #define __iop_dmc_in_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_out_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_out_defs_asm.h
index 9fe1a8054371..a97b741bd36a 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_out_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_dmc_out_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_dmc_out_defs_asm_h
 #define __iop_dmc_out_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_defs_asm.h
index 974dee082f9f..e2c0990246f2 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_in_defs_asm_h
 #define __iop_fifo_in_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_extra_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_extra_defs_asm.h
index e00fab0c9335..50837b989c90 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_extra_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_in_extra_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_in_extra_defs_asm_h
 #define __iop_fifo_in_extra_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_defs_asm.h
index 9ec5f4a826df..9f06dddf33a0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_out_defs_asm_h
 #define __iop_fifo_out_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_extra_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_extra_defs_asm.h
index 0f84a50cf77c..e8c488c389e4 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_extra_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_fifo_out_extra_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_out_extra_defs_asm_h
 #define __iop_fifo_out_extra_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_mpu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_mpu_defs_asm.h
index 80490c82cc29..48869d445e07 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_mpu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_mpu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_mpu_defs_asm_h
 #define __iop_mpu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_reg_space_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_reg_space_asm.h
index a20b8857b4d0..615f869a6de9 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_reg_space_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_reg_space_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Autogenerated Changes here will be lost!
  * generated by ../gen_sw.pl Mon Apr 11 16:10:18 2005 iop_sw.cfg
  */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_in_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_in_defs_asm.h
index a4a10ff300b3..fe8c90e015b0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_in_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_in_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_in_defs_asm_h
 #define __iop_sap_in_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_out_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_out_defs_asm.h
index 0ec727f92a25..a5e46f0bbf6f 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_out_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sap_out_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_out_defs_asm_h
 #define __iop_sap_out_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_in_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_in_defs_asm.h
index 2cf5721597fc..169aaf8d44b2 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_in_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_in_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_scrc_in_defs_asm_h
 #define __iop_scrc_in_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_out_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_out_defs_asm.h
index 640a25725f20..0e9bca149bc6 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_out_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_scrc_out_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_scrc_out_defs_asm_h
 #define __iop_scrc_out_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_spu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_spu_defs_asm.h
index bb402c1aa761..cf2b64a9d42c 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_spu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_spu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_spu_defs_asm_h
 #define __iop_spu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cfg_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
index 3be60f9b024c..4f4c7340d39a 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cfg_defs_asm_h
 #define __iop_sw_cfg_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cpu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
index db347bcba025..ef04a57a0680 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cpu_defs_asm_h
 #define __iop_sw_cpu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_mpu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
index ee7dc0435b59..22292069e4fd 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_mpu_defs_asm_h
 #define __iop_sw_mpu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_spu_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_spu_defs_asm.h
index 0929f144cfa1..82729218621c 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_spu_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_sw_spu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_spu_defs_asm_h
 #define __iop_sw_spu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_timer_grp_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_timer_grp_defs_asm.h
index 7129a9a4bedc..4f1cf73d86cd 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_timer_grp_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_timer_grp_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_timer_grp_defs_asm_h
 #define __iop_timer_grp_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_trigger_grp_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_trigger_grp_defs_asm.h
index 1005d9db80dc..7bc882c62952 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_trigger_grp_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_trigger_grp_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_trigger_grp_defs_asm_h
 #define __iop_trigger_grp_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_version_defs_asm.h b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_version_defs_asm.h
index e13feb20a7e3..2e239957e34a 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_version_defs_asm.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/asm/iop_version_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_version_defs_asm_h
 #define __iop_version_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_crc_par_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_crc_par_defs.h
index 90e4785b6474..8690034d9bec 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_crc_par_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_crc_par_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_crc_par_defs_h
 #define __iop_crc_par_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_in_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_in_defs.h
index 76aec6e37f3e..3dd4e870a3a5 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_in_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_in_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_dmc_in_defs_h
 #define __iop_dmc_in_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_out_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_out_defs.h
index 938a0d4c4604..7ed17bc553c3 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_out_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_dmc_out_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_dmc_out_defs_h
 #define __iop_dmc_out_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_defs.h
index e0c982b263fa..dc14868680e6 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_in_defs_h
 #define __iop_fifo_in_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_extra_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_extra_defs.h
index 798ac95870e9..ee7dc07a7862 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_extra_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_in_extra_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_in_extra_defs_h
 #define __iop_fifo_in_extra_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_defs.h
index 833e10f02526..ee8194fcfa82 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_out_defs_h
 #define __iop_fifo_out_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_extra_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_extra_defs.h
index 4a840aae84ee..b9721649f6fd 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_extra_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_fifo_out_extra_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_fifo_out_extra_defs_h
 #define __iop_fifo_out_extra_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_defs.h
index c2b0ba1be60f..28e1c5903677 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_mpu_defs_h
 #define __iop_mpu_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_macros.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_macros.h
index 2ec897ced166..41f5178a65b8 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_macros.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_mpu_macros.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ************************************************************************* */
 /* This file is autogenerated by IOPASM Version 1.2                          */
 /* DO NOT EDIT THIS FILE - All changes will be lost!                         */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_reg_space.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_reg_space.h
index 756550f5d6cb..95e9ce8c042a 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_reg_space.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_reg_space.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Autogenerated Changes here will be lost!
  * generated by ../gen_sw.pl Mon Apr 11 16:10:18 2005 iop_sw.cfg
  */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_in_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_in_defs.h
index 5548ac10074f..22a74eafb8b0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_in_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_in_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_in_defs_h
 #define __iop_sap_in_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_out_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_out_defs.h
index 273936996183..380133910105 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_out_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sap_out_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_out_defs_h
 #define __iop_sap_out_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_in_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_in_defs.h
index 4f0a9a81e737..65d662046ca9 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_in_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_in_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_scrc_in_defs_h
 #define __iop_scrc_in_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_out_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_out_defs.h
index fd1d6ea1d484..ba39605b9737 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_out_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_scrc_out_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_scrc_out_defs_h
 #define __iop_scrc_out_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_spu_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_spu_defs.h
index 0fda26e2f06f..7681fdab93fc 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_spu_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_spu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_spu_defs_h
 #define __iop_spu_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cfg_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cfg_defs.h
index d7b6d75884d2..86e5c9b3e593 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cfg_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cfg_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cfg_defs_h
 #define __iop_sw_cfg_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cpu_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cpu_defs.h
index 5fed844b19e2..31055d3fcd76 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cpu_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_cpu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cpu_defs_h
 #define __iop_sw_cpu_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_mpu_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_mpu_defs.h
index da718f2a8cad..5038c08e8a95 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_mpu_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_mpu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_mpu_defs_h
 #define __iop_sw_mpu_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_spu_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_spu_defs.h
index b59dde4bd0d1..aeebd57af7f7 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_spu_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_sw_spu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_spu_defs_h
 #define __iop_sw_spu_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_timer_grp_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_timer_grp_defs.h
index c994114f3b51..b4095422adf6 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_timer_grp_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_timer_grp_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_timer_grp_defs_h
 #define __iop_timer_grp_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_trigger_grp_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_trigger_grp_defs.h
index 36e44282399d..aff694506e7f 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_trigger_grp_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_trigger_grp_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_trigger_grp_defs_h
 #define __iop_trigger_grp_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_version_defs.h b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_version_defs.h
index b8d6a910c71c..53a4b8cda969 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/iop/iop_version_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/iop/iop_version_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_version_defs_h
 #define __iop_version_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/irq_nmi_defs.h b/arch/cris/include/arch-v32/arch/hwregs/irq_nmi_defs.h
index 7b167e3c0572..63b20dee2fd1 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/irq_nmi_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/irq_nmi_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __irq_nmi_defs_h
 #define __irq_nmi_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/marb_bp_defs.h b/arch/cris/include/arch-v32/arch/hwregs/marb_bp_defs.h
index a11fdd3cd907..da29a8a22250 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/marb_bp_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/marb_bp_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_bp_defs_h
 #define __marb_bp_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/marb_defs.h b/arch/cris/include/arch-v32/arch/hwregs/marb_defs.h
index 71e8af0bb3a4..2858de48a5e0 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/marb_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/marb_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_defs_h
 #define __marb_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h b/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h
index 236f91efe7e8..8fabdd211507 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Read/write register macros used by *_defs.h
  */
diff --git a/arch/cris/include/arch-v32/arch/hwregs/rt_trace_defs.h b/arch/cris/include/arch-v32/arch/hwregs/rt_trace_defs.h
index d9f0e924fb23..ebb6bbc6e778 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/rt_trace_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/rt_trace_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __rt_trace_defs_h
 #define __rt_trace_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/ser_defs.h b/arch/cris/include/arch-v32/arch/hwregs/ser_defs.h
index 01c2fab97d43..3b04cf9012cf 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/ser_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/ser_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ser_defs_h
 #define __ser_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/sser_defs.h b/arch/cris/include/arch-v32/arch/hwregs/sser_defs.h
index 8d1dab218b91..02971f9b6558 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/sser_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/sser_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __sser_defs_h
 #define __sser_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/strcop.h b/arch/cris/include/arch-v32/arch/hwregs/strcop.h
index 35131ba466f3..2c522b024ee7 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/strcop.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/strcop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 // $Id: strcop.h,v 1.3 2003/10/22 13:27:12 henriken Exp $
 
 // Streamcop meta-data configuration structs
diff --git a/arch/cris/include/arch-v32/arch/hwregs/strcop_defs.h b/arch/cris/include/arch-v32/arch/hwregs/strcop_defs.h
index bd145a49b2c4..069b2ed9def5 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/strcop_defs.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/strcop_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __strcop_defs_h
 #define __strcop_defs_h
 
diff --git a/arch/cris/include/arch-v32/arch/hwregs/supp_reg.h b/arch/cris/include/arch-v32/arch/hwregs/supp_reg.h
index ffe49625ae36..c3fa0c06c558 100644
--- a/arch/cris/include/arch-v32/arch/hwregs/supp_reg.h
+++ b/arch/cris/include/arch-v32/arch/hwregs/supp_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUPP_REG_H__
 #define __SUPP_REG_H__
 
diff --git a/arch/cris/include/arch-v32/arch/intmem.h b/arch/cris/include/arch-v32/arch/intmem.h
index c0ada33bf90f..2bcb21c9b25f 100644
--- a/arch/cris/include/arch-v32/arch/intmem.h
+++ b/arch/cris/include/arch-v32/arch/intmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_INTMEM_H
 #define _ASM_CRIS_INTMEM_H
 
diff --git a/arch/cris/include/arch-v32/arch/irq.h b/arch/cris/include/arch-v32/arch/irq.h
index 8270a1bbfdb6..5259084001d4 100644
--- a/arch/cris/include/arch-v32/arch/irq.h
+++ b/arch/cris/include/arch-v32/arch/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_IRQ_H
 #define _ASM_ARCH_IRQ_H
 
diff --git a/arch/cris/include/arch-v32/arch/irqflags.h b/arch/cris/include/arch-v32/arch/irqflags.h
index 5f6fddf99509..d55bf82de77c 100644
--- a/arch/cris/include/arch-v32/arch/irqflags.h
+++ b/arch/cris/include/arch-v32/arch/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
 #define __ASM_CRIS_ARCH_IRQFLAGS_H
 
diff --git a/arch/cris/include/arch-v32/arch/mmu.h b/arch/cris/include/arch-v32/arch/mmu.h
index e6db1616dee5..a8eec1312de0 100644
--- a/arch/cris/include/arch-v32/arch/mmu.h
+++ b/arch/cris/include/arch-v32/arch/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_MMU_H
 #define _ASM_CRIS_ARCH_MMU_H
 
diff --git a/arch/cris/include/arch-v32/arch/offset.h b/arch/cris/include/arch-v32/arch/offset.h
index 4442c4bd52f4..10a670443386 100644
--- a/arch/cris/include/arch-v32/arch/offset.h
+++ b/arch/cris/include/arch-v32/arch/offset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_OFFSETS_H__
 #define __ASM_OFFSETS_H__
 /*
diff --git a/arch/cris/include/arch-v32/arch/page.h b/arch/cris/include/arch-v32/arch/page.h
index e5b5aab52de8..7ac04f615193 100644
--- a/arch/cris/include/arch-v32/arch/page.h
+++ b/arch/cris/include/arch-v32/arch/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_PAGE_H
 #define _ASM_CRIS_ARCH_PAGE_H
 
diff --git a/arch/cris/include/arch-v32/arch/pgtable.h b/arch/cris/include/arch-v32/arch/pgtable.h
index c1051a8da33d..e787b19b700e 100644
--- a/arch/cris/include/arch-v32/arch/pgtable.h
+++ b/arch/cris/include/arch-v32/arch/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_PGTABLE_H
 #define _ASM_CRIS_ARCH_PGTABLE_H
 
diff --git a/arch/cris/include/arch-v32/arch/processor.h b/arch/cris/include/arch-v32/arch/processor.h
index 568759271ab5..554088ab5f01 100644
--- a/arch/cris/include/arch-v32/arch/processor.h
+++ b/arch/cris/include/arch-v32/arch/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_PROCESSOR_H
 #define _ASM_CRIS_ARCH_PROCESSOR_H
 
diff --git a/arch/cris/include/arch-v32/arch/swab.h b/arch/cris/include/arch-v32/arch/swab.h
index 9a4ea5e209c2..280dd7093e4f 100644
--- a/arch/cris/include/arch-v32/arch/swab.h
+++ b/arch/cris/include/arch-v32/arch/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_SWAB_H
 #define _ASM_CRIS_ARCH_SWAB_H
 
diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h
index db853fb3a458..84f00e5d4652 100644
--- a/arch/cris/include/arch-v32/arch/system.h
+++ b/arch/cris/include/arch-v32/arch/system.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_SYSTEM_H
 #define _ASM_CRIS_ARCH_SYSTEM_H
 
diff --git a/arch/cris/include/arch-v32/arch/thread_info.h b/arch/cris/include/arch-v32/arch/thread_info.h
index d6936956a3c6..8514669e5fab 100644
--- a/arch/cris/include/arch-v32/arch/thread_info.h
+++ b/arch/cris/include/arch-v32/arch/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_THREAD_INFO_H
 #define _ASM_CRIS_ARCH_THREAD_INFO_H
 
diff --git a/arch/cris/include/arch-v32/arch/timex.h b/arch/cris/include/arch-v32/arch/timex.h
index 2591d3c5ed9d..2cd8e704a73b 100644
--- a/arch/cris/include/arch-v32/arch/timex.h
+++ b/arch/cris/include/arch-v32/arch/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_TIMEX_H
 #define _ASM_CRIS_ARCH_TIMEX_H
 
diff --git a/arch/cris/include/arch-v32/arch/tlb.h b/arch/cris/include/arch-v32/arch/tlb.h
index 4effb1253660..50452802738f 100644
--- a/arch/cris/include/arch-v32/arch/tlb.h
+++ b/arch/cris/include/arch-v32/arch/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_ARCH_TLB_H
 #define _CRIS_ARCH_TLB_H
 
diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h
index dc2ce090f624..214bd26efcd9 100644
--- a/arch/cris/include/arch-v32/arch/uaccess.h
+++ b/arch/cris/include/arch-v32/arch/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Authors:    Hans-Peter Nilsson (hp@axis.com)
  *
diff --git a/arch/cris/include/arch-v32/arch/unistd.h b/arch/cris/include/arch-v32/arch/unistd.h
index 0051114c63c7..764435b3b28e 100644
--- a/arch/cris/include/arch-v32/arch/unistd.h
+++ b/arch/cris/include/arch-v32/arch/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_UNISTD_H_
 #define _ASM_CRIS_ARCH_UNISTD_H_
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h b/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h
index 65e9d6ff0520..7fafc370def2 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_ARBITER_H
 #define _ASM_CRIS_ARCH_ARBITER_H
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
index f01dca1ad108..92a74eab4395 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/dma.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_CRIS_DMA_H
 #define _ASM_ARCH_CRIS_DMA_H
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/clkgen_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/clkgen_defs_asm.h
index 02855adf63e8..3d7f12ec1c54 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/clkgen_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/clkgen_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __clkgen_defs_asm_h
 #define __clkgen_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/ddr2_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/ddr2_defs_asm.h
index b12be03edacb..df79e5a7f02a 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/ddr2_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/ddr2_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ddr2_defs_asm_h
 #define __ddr2_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/gio_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/gio_defs_asm.h
index df6714fda179..04b7ff3f70a2 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/gio_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/gio_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __gio_defs_asm_h
 #define __gio_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pinmux_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pinmux_defs_asm.h
index c3dc9c666c46..a73168a8e93a 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pinmux_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pinmux_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pinmux_defs_asm_h
 #define __pinmux_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pio_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pio_defs_asm.h
index 3907ef4921c8..463bb9e2c38e 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pio_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/pio_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pio_defs_asm_h
 #define __pio_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/reg_map_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/reg_map_asm.h
index 89439e9610e2..e3bf8e0692a6 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/reg_map_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/reg_map_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __reg_map_asm_h
 #define __reg_map_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/timer_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/timer_defs_asm.h
index b129e826fc34..82da59c382c2 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/timer_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/asm/timer_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __timer_defs_asm_h
 #define __timer_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/clkgen_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/clkgen_defs.h
index c1e9ba93b3a3..32d58fed3b03 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/clkgen_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/clkgen_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __clkgen_defs_h
 #define __clkgen_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/ddr2_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/ddr2_defs.h
index 0f30e8bf946d..84684c335d7d 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/ddr2_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/ddr2_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ddr2_defs_h
 #define __ddr2_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/gio_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/gio_defs.h
index 5d88e0db23ae..83ab1f495612 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/gio_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/gio_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __gio_defs_h
 #define __gio_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect.h
index bea699aa480e..55dab5bd7bd3 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Interrupt vector numbers autogenerated by ../../../tools/rdesc/bin/rdes2intr 
    from intr_vect.r */
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect_defs.h
index b820f6347c74..71a28d1ed74a 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/intr_vect_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __intr_vect_defs_h
 #define __intr_vect_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_reg_space_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_reg_space_asm.h
index d75a74e90458..5e5f4d94aecf 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_reg_space_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_reg_space_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Autogenerated Changes here will be lost!
  * generated by ./gen_sw.pl Wed Feb 14 09:27:48 2007 iop_sw.cfg 
  */
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_in_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_in_defs_asm.h
index 7f90b5a0460d..ee0587ec433c 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_in_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_in_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_in_defs_asm_h
 #define __iop_sap_in_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_out_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_out_defs_asm.h
index 399bd656406b..9bbe0b920c93 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_out_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sap_out_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_out_defs_asm_h
 #define __iop_sap_out_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cfg_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
index 3b3949b51a66..c4b8bc386cb6 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cfg_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cfg_defs_asm_h
 #define __iop_sw_cfg_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cpu_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
index 3f4fe1b31815..89f36dc1f96d 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_cpu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cpu_defs_asm_h
 #define __iop_sw_cpu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_mpu_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
index ffcc83b22d21..45e19d79dba9 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_mpu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_mpu_defs_asm_h
 #define __iop_sw_mpu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_spu_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_spu_defs_asm.h
index 67a745338087..55afb6e320e4 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_spu_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_sw_spu_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_spu_defs_asm_h
 #define __iop_sw_spu_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_version_defs_asm.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_version_defs_asm.h
index 4ad671202af0..79ff8fafd3bf 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_version_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/asm/iop_version_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_version_defs_asm_h
 #define __iop_version_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_reg_space.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_reg_space.h
index af3196c60a46..23d731f36145 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_reg_space.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_reg_space.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Autogenerated Changes here will be lost!
  * generated by ./gen_sw.pl Wed Feb 14 09:27:48 2007 iop_sw.cfg 
  */
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_in_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_in_defs.h
index 51dde016c03a..1d6c09a3230d 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_in_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_in_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_in_defs_h
 #define __iop_sap_in_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_out_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_out_defs.h
index 5af88baa2ac1..1cbd30efadb7 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_out_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sap_out_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sap_out_defs_h
 #define __iop_sap_out_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cfg_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cfg_defs.h
index 98ac95275a1c..07050b053bb4 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cfg_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cfg_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cfg_defs_h
 #define __iop_sw_cfg_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cpu_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cpu_defs.h
index a16f556370eb..b4acdae4f653 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cpu_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_cpu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_cpu_defs_h
 #define __iop_sw_cpu_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_mpu_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_mpu_defs.h
index a2e4e1a33e57..bc1abb5fb308 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_mpu_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_mpu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_mpu_defs_h
 #define __iop_sw_mpu_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_spu_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_spu_defs.h
index c8560b865a1a..82b64360a4d3 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_spu_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_sw_spu_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_sw_spu_defs_h
 #define __iop_sw_spu_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_version_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_version_defs.h
index 20de425e652b..d944c6ce5f9b 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_version_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/iop/iop_version_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __iop_version_defs_h
 #define __iop_version_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/l2cache_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/l2cache_defs.h
index 243ac3c882cb..5c72116f1067 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/l2cache_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/l2cache_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __l2cache_defs_h
 #define __l2cache_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_bar_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_bar_defs.h
index c0e7628cbf7d..84f68755a75c 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_bar_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_bar_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_bar_defs_h
 #define __marb_bar_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_foo_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_foo_defs.h
index 2baa833f109a..13539bc5d613 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_foo_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/marb_foo_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_foo_defs_h
 #define __marb_foo_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pinmux_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pinmux_defs.h
index 4b96cd2cba8a..d604042a52bf 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pinmux_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pinmux_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pinmux_defs_h
 #define __pinmux_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pio_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pio_defs.h
index 2d8e4b4cc602..348e39f419e0 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pio_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/pio_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pio_defs_h
 #define __pio_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/reg_map.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/reg_map.h
index 36e59d6e96b6..04ef87d42513 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/reg_map.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/reg_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __reg_map_h
 #define __reg_map_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/strmux_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/strmux_defs.h
index 14f718a4ecc3..a19955fa8d94 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/strmux_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/strmux_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __strmux_defs_h
 #define __strmux_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/timer_defs.h b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/timer_defs.h
index 2c33e097d60a..de849a6362f6 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/hwregs/timer_defs.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/hwregs/timer_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __timer_defs_h
 #define __timer_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/memmap.h b/arch/cris/include/arch-v32/mach-a3/mach/memmap.h
index 7e15c9eb4e49..7b9a9a5699b2 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/memmap.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/memmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_MEMMAP_H
 #define _ASM_ARCH_MEMMAP_H
 
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/pinmux.h b/arch/cris/include/arch-v32/mach-a3/mach/pinmux.h
index db42a7254584..35e3fc97d6a3 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/pinmux.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/pinmux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_PINMUX_H
 #define _ASM_CRIS_ARCH_PINMUX_H
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/arbiter.h b/arch/cris/include/arch-v32/mach-fs/mach/arbiter.h
index a2e0ec8faa7d..f9401a3de83c 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/arbiter.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/arbiter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_ARBITER_H
 #define _ASM_CRIS_ARCH_ARBITER_H
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/dma.h b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
index a8c59292586a..53a59944a48b 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/dma.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_CRIS_DMA_H
 #define _ASM_ARCH_CRIS_DMA_H
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/bif_core_defs_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/bif_core_defs_asm.h
index 0a409c92837e..092cad384b86 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/bif_core_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/bif_core_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_core_defs_asm_h
 #define __bif_core_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/config_defs_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/config_defs_asm.h
index a9908dfc2937..5b38835b42f7 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/config_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/config_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __config_defs_asm_h
 #define __config_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/gio_defs_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/gio_defs_asm.h
index be4c63936d90..3d2056892832 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/gio_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/gio_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __gio_defs_asm_h
 #define __gio_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/pinmux_defs_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/pinmux_defs_asm.h
index 30cf5a936b64..99968cfa446a 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/pinmux_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/pinmux_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pinmux_defs_asm_h
 #define __pinmux_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/reg_map_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/reg_map_asm.h
index 87517aebd2cb..412b8748e952 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/reg_map_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/reg_map_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __reg_map_h
 #define __reg_map_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/timer_defs_asm.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/timer_defs_asm.h
index e1197194d5c1..3eb17cfbdc75 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/timer_defs_asm.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/asm/timer_defs_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __timer_defs_asm_h
 #define __timer_defs_asm_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_core_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_core_defs.h
index 44362a62b47c..a9ffb7edaf91 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_core_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_core_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_core_defs_h
 #define __bif_core_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_dma_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_dma_defs.h
index 3cb51a09dba7..d1fa172f58f4 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_dma_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_dma_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_dma_defs_h
 #define __bif_dma_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_slave_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_slave_defs.h
index 0c434585a3f9..a8d7cc528546 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_slave_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/bif_slave_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __bif_slave_defs_h
 #define __bif_slave_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/config_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/config_defs.h
index abc5f20705f7..cc8b20d17237 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/config_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/config_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __config_defs_h
 #define __config_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/gio_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/gio_defs.h
index 26aa3efcf91b..da0b1103b66d 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/gio_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/gio_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __gio_defs_h
 #define __gio_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect.h
index bacc2a895c21..ea752a2d8ee2 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Interrupt vector numbers autogenerated by /n/asic/design/tools/rdesc/src/rdes2intr version
  from ../../inst/intr_vect/rtl/guinness/ivmask.config.r
 version . */
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect_defs.h
index aa65128ae1aa..11ebd66585cd 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/intr_vect_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __intr_vect_defs_h
 #define __intr_vect_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_bp_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_bp_defs.h
index dcaaec4620ba..fb7e20d77591 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_bp_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_bp_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_bp_defs_h
 #define __marb_bp_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_defs.h
index 254da0854986..872a7942916a 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/marb_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __marb_defs_h
 #define __marb_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/pinmux_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/pinmux_defs.h
index 751eab5f191c..0a316dc36a6b 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/pinmux_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/pinmux_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __pinmux_defs_h
 #define __pinmux_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/reg_map.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/reg_map.h
index 4146973a58b3..1bfca2666158 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/reg_map.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/reg_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __reg_map_h
 #define __reg_map_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/strmux_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/strmux_defs.h
index cbfaa867829e..0ab49edb1c81 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/strmux_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/strmux_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __strmux_defs_h
 #define __strmux_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/timer_defs.h b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/timer_defs.h
index 76bcc591921d..59c70ba9959b 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/hwregs/timer_defs.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/hwregs/timer_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __timer_defs_h
 #define __timer_defs_h
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
index d29df5644d3e..94328936cc91 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARCH_MEMMAP_H
 #define _ASM_ARCH_MEMMAP_H
 
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/pinmux.h b/arch/cris/include/arch-v32/mach-fs/mach/pinmux.h
index 09bf0c90d2d3..1d87f1392dc8 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/pinmux.h
+++ b/arch/cris/include/arch-v32/mach-fs/mach/pinmux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_ARCH_PINMUX_H
 #define _ASM_CRIS_ARCH_PINMUX_H
 
diff --git a/arch/cris/include/asm/axisflashmap.h b/arch/cris/include/asm/axisflashmap.h
index 015ca5445ddd..185596c2caab 100644
--- a/arch/cris/include/asm/axisflashmap.h
+++ b/arch/cris/include/asm/axisflashmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_AXISFLASHMAP_H
 #define __ASM_AXISFLASHMAP_H
 
diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h
index 8062cb52d343..78f975ad42d9 100644
--- a/arch/cris/include/asm/bitops.h
+++ b/arch/cris/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* asm/bitops.h for Linux/CRIS
  *
  * TODO: asm versions if speed is needed
diff --git a/arch/cris/include/asm/bug.h b/arch/cris/include/asm/bug.h
index 3b3958963801..f1fa72a426c2 100644
--- a/arch/cris/include/asm/bug.h
+++ b/arch/cris/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_BUG_H
 #define _CRIS_BUG_H
 #include <arch/bug.h>
diff --git a/arch/cris/include/asm/cache.h b/arch/cris/include/asm/cache.h
index a692b9fba8b9..8dac0922721c 100644
--- a/arch/cris/include/asm/cache.h
+++ b/arch/cris/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CACHE_H
 #define _ASM_CACHE_H
 
diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
index 36795bca605e..0da1c76a2bbc 100644
--- a/arch/cris/include/asm/cacheflush.h
+++ b/arch/cris/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_CACHEFLUSH_H
 #define _CRIS_CACHEFLUSH_H
 
diff --git a/arch/cris/include/asm/checksum.h b/arch/cris/include/asm/checksum.h
index ea949c60b190..61b6a4f6a002 100644
--- a/arch/cris/include/asm/checksum.h
+++ b/arch/cris/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* TODO: csum_tcpudp_magic could be speeded up, and csum_fold as well */
 
 #ifndef _CRIS_CHECKSUM_H
diff --git a/arch/cris/include/asm/delay.h b/arch/cris/include/asm/delay.h
index 75ec581bfead..2dfdb13e1a9e 100644
--- a/arch/cris/include/asm/delay.h
+++ b/arch/cris/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_DELAY_H
 #define _CRIS_DELAY_H
 
diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h
index 256169de3743..1c9bf14807db 100644
--- a/arch/cris/include/asm/dma-mapping.h
+++ b/arch/cris/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_DMA_MAPPING_H
 #define _ASM_CRIS_DMA_MAPPING_H
 
diff --git a/arch/cris/include/asm/dma.h b/arch/cris/include/asm/dma.h
index 30fd715fa589..e1f7d6d9bfc2 100644
--- a/arch/cris/include/asm/dma.h
+++ b/arch/cris/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: dma.h,v 1.2 2001/05/09 12:17:42 johana Exp $ */
 
 #ifndef _ASM_DMA_H
diff --git a/arch/cris/include/asm/eshlibld.h b/arch/cris/include/asm/eshlibld.h
index 70aa448256b0..88940556c2db 100644
--- a/arch/cris/include/asm/eshlibld.h
+++ b/arch/cris/include/asm/eshlibld.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*!**************************************************************************
 *!
 *! FILE NAME  : eshlibld.h
diff --git a/arch/cris/include/asm/etraxi2c.h b/arch/cris/include/asm/etraxi2c.h
index e369a7620893..0fa6f03d93e7 100644
--- a/arch/cris/include/asm/etraxi2c.h
+++ b/arch/cris/include/asm/etraxi2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: etraxi2c.h,v 1.1 2001/01/18 15:49:57 bjornw Exp $ */
 
 #ifndef _LINUX_ETRAXI2C_H
diff --git a/arch/cris/include/asm/fasttimer.h b/arch/cris/include/asm/fasttimer.h
index 8f8a8d6c9653..bc109f4a8377 100644
--- a/arch/cris/include/asm/fasttimer.h
+++ b/arch/cris/include/asm/fasttimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-cris/fasttimer.h
  *
diff --git a/arch/cris/include/asm/fb.h b/arch/cris/include/asm/fb.h
index c7df38030992..e10150073c30 100644
--- a/arch/cris/include/asm/fb.h
+++ b/arch/cris/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 #include <linux/fb.h>
diff --git a/arch/cris/include/asm/io.h b/arch/cris/include/asm/io.h
index fe0b2a0ae03b..c92712d30f54 100644
--- a/arch/cris/include/asm/io.h
+++ b/arch/cris/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_IO_H
 #define _ASM_CRIS_IO_H
 
diff --git a/arch/cris/include/asm/irq.h b/arch/cris/include/asm/irq.h
index ce0fcf540d62..6a932f7db58e 100644
--- a/arch/cris/include/asm/irq.h
+++ b/arch/cris/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IRQ_H
 #define _ASM_IRQ_H
 
diff --git a/arch/cris/include/asm/mmu.h b/arch/cris/include/asm/mmu.h
index e06ea94ecffd..54da8f64b37a 100644
--- a/arch/cris/include/asm/mmu.h
+++ b/arch/cris/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CRIS MMU constants and PTE layout
  */
diff --git a/arch/cris/include/asm/mmu_context.h b/arch/cris/include/asm/mmu_context.h
index 349acfd25d2f..178f3b72e9e3 100644
--- a/arch/cris/include/asm/mmu_context.h
+++ b/arch/cris/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CRIS_MMU_CONTEXT_H
 #define __CRIS_MMU_CONTEXT_H
 
diff --git a/arch/cris/include/asm/page.h b/arch/cris/include/asm/page.h
index dfc53f9b88ec..5b5b3dad7484 100644
--- a/arch/cris/include/asm/page.h
+++ b/arch/cris/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_PAGE_H
 #define _CRIS_PAGE_H
 
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index 6e505332b3e3..6f8b366a226a 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_PCI_H
 #define __ASM_CRIS_PCI_H
 
diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
index 42f1affb9c2d..d8dc1b834b7d 100644
--- a/arch/cris/include/asm/pgalloc.h
+++ b/arch/cris/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_PGALLOC_H
 #define _CRIS_PGALLOC_H
 
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index fa3a73004cc5..03fca401e23c 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CRIS pgtable.h - macros and functions to manipulate page tables.
  */
diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h
index bc2729e4b2c9..124dd5ec7f65 100644
--- a/arch/cris/include/asm/processor.h
+++ b/arch/cris/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-cris/processor.h
  *
diff --git a/arch/cris/include/asm/ptrace.h b/arch/cris/include/asm/ptrace.h
index 9e788d04a4ef..d69295f1a7c8 100644
--- a/arch/cris/include/asm/ptrace.h
+++ b/arch/cris/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_PTRACE_H
 #define _CRIS_PTRACE_H
 
diff --git a/arch/cris/include/asm/segment.h b/arch/cris/include/asm/segment.h
index c067513beaaf..6ac914b098bf 100644
--- a/arch/cris/include/asm/segment.h
+++ b/arch/cris/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SEGMENT_H
 #define _ASM_SEGMENT_H
 
diff --git a/arch/cris/include/asm/serial.h b/arch/cris/include/asm/serial.h
index af7535a955fb..f51e0e10faa7 100644
--- a/arch/cris/include/asm/serial.h
+++ b/arch/cris/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SERIAL_H
 #define _ASM_SERIAL_H
 
diff --git a/arch/cris/include/asm/shmparam.h b/arch/cris/include/asm/shmparam.h
index d29d12270687..704a7257cb0d 100644
--- a/arch/cris/include/asm/shmparam.h
+++ b/arch/cris/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_SHMPARAM_H
 #define _ASM_CRIS_SHMPARAM_H
 
diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
index c11b8745cece..64b0943c0b00 100644
--- a/arch/cris/include/asm/signal.h
+++ b/arch/cris/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_SIGNAL_H
 #define _ASM_CRIS_SIGNAL_H
 
diff --git a/arch/cris/include/asm/stacktrace.h b/arch/cris/include/asm/stacktrace.h
index 2d90856943ad..154f0c90d0fa 100644
--- a/arch/cris/include/asm/stacktrace.h
+++ b/arch/cris/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CRIS_STACKTRACE_H
 #define __CRIS_STACKTRACE_H
 
diff --git a/arch/cris/include/asm/string.h b/arch/cris/include/asm/string.h
index d5db39f9eea1..bae5a0867785 100644
--- a/arch/cris/include/asm/string.h
+++ b/arch/cris/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_STRING_H
 #define _ASM_CRIS_STRING_H
 
diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h
index 991b6ace1ba9..5e1d8cf277fb 100644
--- a/arch/cris/include/asm/swab.h
+++ b/arch/cris/include/asm/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_SWAB_H
 #define _CRIS_SWAB_H
 
diff --git a/arch/cris/include/asm/switch_to.h b/arch/cris/include/asm/switch_to.h
index d842e1163ba1..dde4acf6e54d 100644
--- a/arch/cris/include/asm/switch_to.h
+++ b/arch/cris/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_SWITCH_TO_H
 #define __ASM_CRIS_SWITCH_TO_H
 
diff --git a/arch/cris/include/asm/termios.h b/arch/cris/include/asm/termios.h
index 1991cd9e4083..9832bf3221d0 100644
--- a/arch/cris/include/asm/termios.h
+++ b/arch/cris/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_TERMIOS_H
 #define _CRIS_TERMIOS_H
 
diff --git a/arch/cris/include/asm/thread_info.h b/arch/cris/include/asm/thread_info.h
index 4ead1b40d2d7..472830c90997 100644
--- a/arch/cris/include/asm/thread_info.h
+++ b/arch/cris/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: CRIS low-level thread information
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/arch/cris/include/asm/timex.h b/arch/cris/include/asm/timex.h
index 980924ae7518..3840a556612b 100644
--- a/arch/cris/include/asm/timex.h
+++ b/arch/cris/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-cris/timex.h
  *
diff --git a/arch/cris/include/asm/tlb.h b/arch/cris/include/asm/tlb.h
index 77384ea2f29d..1f6a8a67cfda 100644
--- a/arch/cris/include/asm/tlb.h
+++ b/arch/cris/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_TLB_H
 #define _CRIS_TLB_H
 
diff --git a/arch/cris/include/asm/tlbflush.h b/arch/cris/include/asm/tlbflush.h
index b424f43a9fd6..e7cb964536d0 100644
--- a/arch/cris/include/asm/tlbflush.h
+++ b/arch/cris/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRIS_TLBFLUSH_H
 #define _CRIS_TLBFLUSH_H
 
diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h
index b0c6b077b632..3b42ab0cae93 100644
--- a/arch/cris/include/asm/uaccess.h
+++ b/arch/cris/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Authors:    Bjorn Wesen (bjornw@axis.com)
  *	       Hans-Peter Nilsson (hp@axis.com)
diff --git a/arch/cris/include/asm/ucontext.h b/arch/cris/include/asm/ucontext.h
index eed6ad5eb3f2..22f7e7cf59c8 100644
--- a/arch/cris/include/asm/ucontext.h
+++ b/arch/cris/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_UCONTEXT_H
 #define _ASM_CRIS_UCONTEXT_H
 
diff --git a/arch/cris/include/asm/unaligned.h b/arch/cris/include/asm/unaligned.h
index 7b3f3fec567c..21772cf600dd 100644
--- a/arch/cris/include/asm/unaligned.h
+++ b/arch/cris/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_UNALIGNED_H
 #define _ASM_CRIS_UNALIGNED_H
 
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index 9c23535821c0..6a92c0505156 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CRIS_UNISTD_H_
 #define _ASM_CRIS_UNISTD_H_
 
diff --git a/arch/cris/include/asm/user.h b/arch/cris/include/asm/user.h
index 59147cf43cf6..a19c39547248 100644
--- a/arch/cris/include/asm/user.h
+++ b/arch/cris/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CRIS_USER_H
 #define __ASM_CRIS_USER_H
 
diff --git a/arch/cris/kernel/Makefile b/arch/cris/kernel/Makefile
index 5fae398ca915..af075a5fb9aa 100644
--- a/arch/cris/kernel/Makefile
+++ b/arch/cris/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # $Id: Makefile,v 1.12 2004/10/19 13:07:43 starvik Exp $
 #
 # Makefile for the linux kernel.
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c
index a5fd88d816a6..0a5129941485 100644
--- a/arch/cris/kernel/asm-offsets.c
+++ b/arch/cris/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kbuild.h>
 #include <linux/sched.h>
 #include <asm/thread_info.h>
diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c
index 3166d1cf2f84..7024f7278c89 100644
--- a/arch/cris/kernel/crisksyms.c
+++ b/arch/cris/kernel/crisksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/user.h>
 #include <linux/elfcore.h>
diff --git a/arch/cris/kernel/devicetree.c b/arch/cris/kernel/devicetree.c
index 53ff8d73e7e1..36e1c658229f 100644
--- a/arch/cris/kernel/devicetree.c
+++ b/arch/cris/kernel/devicetree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <linux/printk.h>
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 09b864f46f8a..726cdf4bf2d8 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  *	linux/arch/cris/kernel/irq.c
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index 0bbd3a0c3d70..50e5cf09841d 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/kernel/process.c
  *
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
index ad56b37f8e11..d2f978ad129a 100644
--- a/arch/cris/kernel/profile.c
+++ b/arch/cris/kernel/profile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c
index 806b764059d5..af42789a1544 100644
--- a/arch/cris/kernel/ptrace.c
+++ b/arch/cris/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/kernel/ptrace.c
  *
diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c
index 4b4853d914e2..524d47501a23 100644
--- a/arch/cris/kernel/setup.c
+++ b/arch/cris/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  *  linux/arch/cris/kernel/setup.c
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
index 8febb032fdd7..ecea13f1d760 100644
--- a/arch/cris/kernel/sys_cris.c
+++ b/arch/cris/kernel/sys_cris.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: sys_cris.c,v 1.6 2004/03/11 11:38:40 starvik Exp $
  *
  * linux/arch/cris/kernel/sys_cris.c
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index bc562cf511a6..593239274f98 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/kernel/time.c
  *
diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c
index d98131c45bb5..d4bc80469218 100644
--- a/arch/cris/kernel/traps.c
+++ b/arch/cris/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/traps.c
  *
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index 867f237d7c5c..6d1dbc1ba767 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make the Linux/CRIS kernel
  * Authors: Bjorn Wesen (bjornw@axis.com)
  *
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index 1fca464f1b9e..29cc58038b98 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/cris/mm/fault.c
  *
diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
index 1e7fd45b60f8..e41d9c833e1c 100644
--- a/arch/cris/mm/init.c
+++ b/arch/cris/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/mm/init.c
  *
diff --git a/arch/cris/mm/ioremap.c b/arch/cris/mm/ioremap.c
index 80fdb995a8ce..350bd2a86ade 100644
--- a/arch/cris/mm/ioremap.c
+++ b/arch/cris/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/cris/mm/ioremap.c
  *
diff --git a/arch/cris/mm/tlb.c b/arch/cris/mm/tlb.c
index 8413741cfa0f..e0dbea62cb81 100644
--- a/arch/cris/mm/tlb.c
+++ b/arch/cris/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/cris/mm/tlb.c
  *
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 1cce8243449e..af369b05fed5 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config FRV
 	bool
 	default y
diff --git a/arch/frv/Kconfig.debug b/arch/frv/Kconfig.debug
index 98c99a3ed2be..ecab6d8a79ed 100644
--- a/arch/frv/Kconfig.debug
+++ b/arch/frv/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/frv/include/asm/atomic_defs.h b/arch/frv/include/asm/atomic_defs.h
index d4912c88b829..ce3b8a4efc12 100644
--- a/arch/frv/include/asm/atomic_defs.h
+++ b/arch/frv/include/asm/atomic_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <asm/spr-regs.h>
 
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index 354900917585..273defa02a02 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_DMA_MAPPING_H
 #define _ASM_DMA_MAPPING_H
 
diff --git a/arch/frv/include/asm/fpu.h b/arch/frv/include/asm/fpu.h
index d73c60b56641..2f0929333f91 100644
--- a/arch/frv/include/asm/fpu.h
+++ b/arch/frv/include/asm/fpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_FPU_H
 #define __ASM_FPU_H
 
diff --git a/arch/frv/include/asm/futex.h b/arch/frv/include/asm/futex.h
index ab346f5f8820..dfcc3484231d 100644
--- a/arch/frv/include/asm/futex.h
+++ b/arch/frv/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FUTEX_H
 #define _ASM_FUTEX_H
 
diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h
index 43901f220963..0849db1362d6 100644
--- a/arch/frv/include/asm/kmap_types.h
+++ b/arch/frv/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
diff --git a/arch/frv/include/asm/local.h b/arch/frv/include/asm/local.h
index c27bdf04630e..259ae7b041a7 100644
--- a/arch/frv/include/asm/local.h
+++ b/arch/frv/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_LOCAL_H
 #define _ASM_LOCAL_H
 
diff --git a/arch/frv/include/asm/math-emu.h b/arch/frv/include/asm/math-emu.h
index 0c8f731b2180..8af762dd6109 100644
--- a/arch/frv/include/asm/math-emu.h
+++ b/arch/frv/include/asm/math-emu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MATH_EMU_H
 #define _ASM_MATH_EMU_H
 
diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h
index ec5eebce4fb3..0f76a0d586f6 100644
--- a/arch/frv/include/asm/page.h
+++ b/arch/frv/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PAGE_H
 #define _ASM_PAGE_H
 
diff --git a/arch/frv/include/asm/percpu.h b/arch/frv/include/asm/percpu.h
index 2cad3f874ded..4209fe5fe0a2 100644
--- a/arch/frv/include/asm/percpu.h
+++ b/arch/frv/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PERCPU_H
 #define __ASM_PERCPU_H
 
diff --git a/arch/frv/include/asm/shmparam.h b/arch/frv/include/asm/shmparam.h
index ab711009cfaa..50ea51f26c46 100644
--- a/arch/frv/include/asm/shmparam.h
+++ b/arch/frv/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SHMPARAM_H
 #define _ASM_SHMPARAM_H
 
diff --git a/arch/frv/include/asm/signal.h b/arch/frv/include/asm/signal.h
index eca0abcb79d6..796394113904 100644
--- a/arch/frv/include/asm/signal.h
+++ b/arch/frv/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SIGNAL_H
 #define _ASM_SIGNAL_H
 
diff --git a/arch/frv/include/asm/smp.h b/arch/frv/include/asm/smp.h
index 38349ec8b61b..0d7fa409312d 100644
--- a/arch/frv/include/asm/smp.h
+++ b/arch/frv/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
diff --git a/arch/frv/include/asm/termios.h b/arch/frv/include/asm/termios.h
index 9f753fc09532..5a8c63554617 100644
--- a/arch/frv/include/asm/termios.h
+++ b/arch/frv/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_TERMIOS_H
 #define _ASM_TERMIOS_H
 
diff --git a/arch/frv/include/asm/timex.h b/arch/frv/include/asm/timex.h
index 139093fab326..bf53166f2793 100644
--- a/arch/frv/include/asm/timex.h
+++ b/arch/frv/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* timex.h: FR-V architecture timex specifications
  */
 #ifndef _ASM_TIMEX_H
diff --git a/arch/frv/include/asm/tlb.h b/arch/frv/include/asm/tlb.h
index cd458eb6d75e..d3e361ad725a 100644
--- a/arch/frv/include/asm/tlb.h
+++ b/arch/frv/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_TLB_H
 #define _ASM_TLB_H
 
diff --git a/arch/frv/include/asm/topology.h b/arch/frv/include/asm/topology.h
index 942724352705..207603071f78 100644
--- a/arch/frv/include/asm/topology.h
+++ b/arch/frv/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_TOPOLOGY_H
 #define _ASM_TOPOLOGY_H
 
diff --git a/arch/frv/include/asm/ucontext.h b/arch/frv/include/asm/ucontext.h
index 8d8c0c948007..0cc2d95dd209 100644
--- a/arch/frv/include/asm/ucontext.h
+++ b/arch/frv/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UCONTEXT_H
 #define _ASM_UCONTEXT_H
 
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index 17b5df8fc28a..b4b3f9b26b81 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UNISTD_H_
 #define _ASM_UNISTD_H_
 
diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile
index 3cbb3294b9f9..216ddf30c3c1 100644
--- a/arch/frv/kernel/Makefile
+++ b/arch/frv/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/frv/kernel/asm-offsets.c b/arch/frv/kernel/asm-offsets.c
index 20c5b79b55f9..0a468e9b51ad 100644
--- a/arch/frv/kernel/asm-offsets.c
+++ b/arch/frv/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed
diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c
index cdb4ce9960eb..6ea430d58149 100644
--- a/arch/frv/kernel/frv_ksyms.c
+++ b/arch/frv/kernel/frv_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/linkage.h>
 #include <linux/sched.h>
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index 3f44dcbbad4d..42806c512758 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make FRV Linux kernel
  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
  */
diff --git a/arch/frv/lib/atomic-lib.c b/arch/frv/lib/atomic-lib.c
index 4d1b887c248b..3027576f7782 100644
--- a/arch/frv/lib/atomic-lib.c
+++ b/arch/frv/lib/atomic-lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/export.h>
 #include <asm/atomic.h>
diff --git a/arch/frv/mb93090-mb00/Makefile b/arch/frv/mb93090-mb00/Makefile
index 21f1df1b378a..bcb03ebb3583 100644
--- a/arch/frv/mb93090-mb00/Makefile
+++ b/arch/frv/mb93090-mb00/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the MB93090-MB00 motherboard stuff
 #
diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h
index d51992ff5a61..41fbb6bae558 100644
--- a/arch/frv/mb93090-mb00/pci-frv.h
+++ b/arch/frv/mb93090-mb00/pci-frv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Low-Level PCI Access for FRV machines.
  *
diff --git a/arch/frv/mb93090-mb00/pci-irq.c b/arch/frv/mb93090-mb00/pci-irq.c
index 1c35c93f942b..a40aa8663056 100644
--- a/arch/frv/mb93090-mb00/pci-irq.c
+++ b/arch/frv/mb93090-mb00/pci-irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci-irq.c: PCI IRQ routing on the FRV motherboard
  *
  * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
diff --git a/arch/frv/mm/extable.c b/arch/frv/mm/extable.c
index 9198ddd16092..77c0c5ba88bc 100644
--- a/arch/frv/mm/extable.c
+++ b/arch/frv/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/frv/mm/extable.c
  */
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index 179e79e220e5..cbe7aec863e3 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/frv/mm/fault.c
  *
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 3089f7fe2abd..f8d3fde08190 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config H8300
         def_bool y
 	select GENERIC_ATOMIC64
diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu
index 8d0ff20c749a..b5e14d513e62 100644
--- a/arch/h8300/Kconfig.cpu
+++ b/arch/h8300/Kconfig.cpu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config CPU_H8300H
 	bool
 
diff --git a/arch/h8300/boot/Makefile b/arch/h8300/boot/Makefile
index 2f6393a5da57..8e62df20ebf9 100644
--- a/arch/h8300/boot/Makefile
+++ b/arch/h8300/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # arch/h8300/boot/Makefile
 
 targets := vmlinux.srec vmlinux.bin zImage
diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile
index 613bfe6f5272..9e2701069bbe 100644
--- a/arch/h8300/boot/compressed/Makefile
+++ b/arch/h8300/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/sh/boot/compressed/Makefile
 #
diff --git a/arch/h8300/boot/compressed/head.S b/arch/h8300/boot/compressed/head.S
index 0436350c1df5..11ef509579cf 100644
--- a/arch/h8300/boot/compressed/head.S
+++ b/arch/h8300/boot/compressed/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/h8300/boot/compressed/head.S
  *
diff --git a/arch/h8300/boot/compressed/misc.c b/arch/h8300/boot/compressed/misc.c
index a947dbb4fd91..8915d8fe2e53 100644
--- a/arch/h8300/boot/compressed/misc.c
+++ b/arch/h8300/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/h8300/boot/compressed/misc.c
  *
diff --git a/arch/h8300/boot/compressed/vmlinux.lds b/arch/h8300/boot/compressed/vmlinux.lds
index ad848a72fd3f..7f7bb419ce15 100644
--- a/arch/h8300/boot/compressed/vmlinux.lds
+++ b/arch/h8300/boot/compressed/vmlinux.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 SECTIONS
 {
         .text :
diff --git a/arch/h8300/boot/dts/Makefile b/arch/h8300/boot/dts/Makefile
index 6c08467c6a3a..14593b51b2b2 100644
--- a/arch/h8300/boot/dts/Makefile
+++ b/arch/h8300/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifneq '$(CONFIG_H8300_BUILTIN_DTB)' '""'
 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_H8300_BUILTIN_DTB)).dtb.o
 endif
diff --git a/arch/h8300/boot/dts/edosk2674.dts b/arch/h8300/boot/dts/edosk2674.dts
index 6ae884bf66a5..d1733805ea67 100644
--- a/arch/h8300/boot/dts/edosk2674.dts
+++ b/arch/h8300/boot/dts/edosk2674.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 / {
 	compatible = "renesas,edosk2674";
diff --git a/arch/h8300/boot/dts/h8300h_sim.dts b/arch/h8300/boot/dts/h8300h_sim.dts
index 9c733d920f1f..f1c31cecdec8 100644
--- a/arch/h8300/boot/dts/h8300h_sim.dts
+++ b/arch/h8300/boot/dts/h8300h_sim.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 / {
 	compatible = "gnu,gdbsim";
diff --git a/arch/h8300/boot/dts/h8s_sim.dts b/arch/h8300/boot/dts/h8s_sim.dts
index 97e1f4b17ef0..932cc3c5a81b 100644
--- a/arch/h8300/boot/dts/h8s_sim.dts
+++ b/arch/h8300/boot/dts/h8s_sim.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 / {
 	compatible = "gnu,gdbsim";
diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h
index 349a47a918db..941e7554e886 100644
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_H8300_ATOMIC__
 #define __ARCH_H8300_ATOMIC__
 
diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h
index 05999aba1d6a..ea0cb0cf6a8b 100644
--- a/arch/h8300/include/asm/bitops.h
+++ b/arch/h8300/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_BITOPS_H
 #define _H8300_BITOPS_H
 
diff --git a/arch/h8300/include/asm/bug.h b/arch/h8300/include/asm/bug.h
index 1e1be8119935..00fe5e966bb5 100644
--- a/arch/h8300/include/asm/bug.h
+++ b/arch/h8300/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_BUG_H
 #define _H8300_BUG_H
 
diff --git a/arch/h8300/include/asm/byteorder.h b/arch/h8300/include/asm/byteorder.h
index 888478a38145..ecff2d1ca5a3 100644
--- a/arch/h8300/include/asm/byteorder.h
+++ b/arch/h8300/include/asm/byteorder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __H8300_BYTEORDER_H__
 #define __H8300_BYTEORDER_H__
 
diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h
index 0ef1edc5a6a6..4243eb319acf 100644
--- a/arch/h8300/include/asm/cache.h
+++ b/arch/h8300/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_H8300_CACHE_H
 #define __ARCH_H8300_CACHE_H
 
diff --git a/arch/h8300/include/asm/cmpxchg.h b/arch/h8300/include/asm/cmpxchg.h
index 95fec4cd1081..c64bb38ce242 100644
--- a/arch/h8300/include/asm/cmpxchg.h
+++ b/arch/h8300/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_H8300_CMPXCHG__
 #define __ARCH_H8300_CMPXCHG__
 
diff --git a/arch/h8300/include/asm/dma-mapping.h b/arch/h8300/include/asm/dma-mapping.h
index 847c7562e046..21bb1fc3a6f1 100644
--- a/arch/h8300/include/asm/dma-mapping.h
+++ b/arch/h8300/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_DMA_MAPPING_H
 #define _H8300_DMA_MAPPING_H
 
diff --git a/arch/h8300/include/asm/elf.h b/arch/h8300/include/asm/elf.h
index 09031d0127a3..029647cda44c 100644
--- a/arch/h8300/include/asm/elf.h
+++ b/arch/h8300/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_H8300_ELF_H
 #define __ASM_H8300_ELF_H
 
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index 7e0bd6fa1532..f4cdfcbdd2ba 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/arch/h8300/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/h8300/asm/include/flat.h -- uClinux flat-format executables
  */
diff --git a/arch/h8300/include/asm/hash.h b/arch/h8300/include/asm/hash.h
index 04cfbd2bd850..2960b4c9e4ed 100644
--- a/arch/h8300/include/asm/hash.h
+++ b/arch/h8300/include/asm/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HASH_H
 #define _ASM_HASH_H
 
diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h
index f86918aed9e1..096d99580db6 100644
--- a/arch/h8300/include/asm/io.h
+++ b/arch/h8300/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_IO_H
 #define _H8300_IO_H
 
diff --git a/arch/h8300/include/asm/irq.h b/arch/h8300/include/asm/irq.h
index 69f23f0981b3..5fc5b436dde9 100644
--- a/arch/h8300/include/asm/irq.h
+++ b/arch/h8300/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_IRQ_H_
 #define _H8300_IRQ_H_
 
diff --git a/arch/h8300/include/asm/irqflags.h b/arch/h8300/include/asm/irqflags.h
index 5e1e3242e470..48756b7f405e 100644
--- a/arch/h8300/include/asm/irqflags.h
+++ b/arch/h8300/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_IRQFLAGS_H
 #define _H8300_IRQFLAGS_H
 
diff --git a/arch/h8300/include/asm/page.h b/arch/h8300/include/asm/page.h
index 3a987a567258..8da5124ad344 100644
--- a/arch/h8300/include/asm/page.h
+++ b/arch/h8300/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_PAGE_H
 #define _H8300_PAGE_H
 
diff --git a/arch/h8300/include/asm/pci.h b/arch/h8300/include/asm/pci.h
index 0b2acaa3dd84..7c9e55d62215 100644
--- a/arch/h8300/include/asm/pci.h
+++ b/arch/h8300/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_H8300_PCI_H
 #define _ASM_H8300_PCI_H
 
diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h
index 7d265d28ba5e..a99caa49d265 100644
--- a/arch/h8300/include/asm/pgtable.h
+++ b/arch/h8300/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_PGTABLE_H
 #define _H8300_PGTABLE_H
 #define __ARCH_USE_5LEVEL_HACK
diff --git a/arch/h8300/include/asm/processor.h b/arch/h8300/include/asm/processor.h
index afa53147e66a..985346393e4a 100644
--- a/arch/h8300/include/asm/processor.h
+++ b/arch/h8300/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-h8300/processor.h
  *
diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h
index e693fb463ea8..313cafa85380 100644
--- a/arch/h8300/include/asm/ptrace.h
+++ b/arch/h8300/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_PTRACE_H
 #define _H8300_PTRACE_H
 
diff --git a/arch/h8300/include/asm/segment.h b/arch/h8300/include/asm/segment.h
index 48424c6e169f..9adbf7e1aaa3 100644
--- a/arch/h8300/include/asm/segment.h
+++ b/arch/h8300/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_SEGMENT_H
 #define _H8300_SEGMENT_H
 
diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h
index 5870835c0470..a42f32ca530f 100644
--- a/arch/h8300/include/asm/signal.h
+++ b/arch/h8300/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_SIGNAL_H
 #define _H8300_SIGNAL_H
 
diff --git a/arch/h8300/include/asm/string.h b/arch/h8300/include/asm/string.h
index 5dc5a8ac0544..78e45bb2fef0 100644
--- a/arch/h8300/include/asm/string.h
+++ b/arch/h8300/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_STRING_H_
 #define _H8300_STRING_H_
 
diff --git a/arch/h8300/include/asm/switch_to.h b/arch/h8300/include/asm/switch_to.h
index 7ad1bf92dbc3..2b7e9555bcd1 100644
--- a/arch/h8300/include/asm/switch_to.h
+++ b/arch/h8300/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_SWITCH_TO_H
 #define _H8300_SWITCH_TO_H
 
diff --git a/arch/h8300/include/asm/syscall.h b/arch/h8300/include/asm/syscall.h
index b41f688d02cf..924990401237 100644
--- a/arch/h8300/include/asm/syscall.h
+++ b/arch/h8300/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_H8300_SYSCALLS_32_H
 #define __ASM_H8300_SYSCALLS_32_H
 
diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h
index 3cef06875f5c..072b92c0d8b5 100644
--- a/arch/h8300/include/asm/thread_info.h
+++ b/arch/h8300/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: h8300 low-level thread information
  * adapted from the i386 and PPC versions by Yoshinori Sato <ysato@users.sourceforge.jp>
  *
diff --git a/arch/h8300/include/asm/tlb.h b/arch/h8300/include/asm/tlb.h
index 2c6fa4eed448..98f344279904 100644
--- a/arch/h8300/include/asm/tlb.h
+++ b/arch/h8300/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __H8300_TLB_H__
 #define __H8300_TLB_H__
 
diff --git a/arch/h8300/include/asm/uaccess.h b/arch/h8300/include/asm/uaccess.h
index 6f6144a240ce..bc8031949d07 100644
--- a/arch/h8300/include/asm/uaccess.h
+++ b/arch/h8300/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UACCESS_H
 #define _ASM_UACCESS_H
 
diff --git a/arch/h8300/include/asm/user.h b/arch/h8300/include/asm/user.h
index 2e3555f451f0..2298909f24c6 100644
--- a/arch/h8300/include/asm/user.h
+++ b/arch/h8300/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _H8300_USER_H
 #define _H8300_USER_H
 
diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile
index 253f8e322ecc..b62e830525c6 100644
--- a/arch/h8300/kernel/Makefile
+++ b/arch/h8300/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/h8300/kernel/asm-offsets.c b/arch/h8300/kernel/asm-offsets.c
index dc2d16ce8a0d..85e60509f0a8 100644
--- a/arch/h8300/kernel/asm-offsets.c
+++ b/arch/h8300/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This program is used to generate definitions needed by
  * assembly language modules.
diff --git a/arch/h8300/kernel/entry.S b/arch/h8300/kernel/entry.S
index 4f67d4b350d5..4ade5f8299ba 100644
--- a/arch/h8300/kernel/entry.S
+++ b/arch/h8300/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *  linux/arch/h8300/kernel/entry.S
diff --git a/arch/h8300/kernel/h8300_ksyms.c b/arch/h8300/kernel/h8300_ksyms.c
index a9033c838968..1c6f902e82a5 100644
--- a/arch/h8300/kernel/h8300_ksyms.c
+++ b/arch/h8300/kernel/h8300_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/linkage.h>
 
diff --git a/arch/h8300/kernel/head_ram.S b/arch/h8300/kernel/head_ram.S
index 84ac5c3ed31a..dbf8429f5fab 100644
--- a/arch/h8300/kernel/head_ram.S
+++ b/arch/h8300/kernel/head_ram.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <linux/sys.h>
 #include <linux/init.h>
diff --git a/arch/h8300/kernel/head_rom.S b/arch/h8300/kernel/head_rom.S
index 9868a4121a1f..ab55a9cb2f36 100644
--- a/arch/h8300/kernel/head_rom.S
+++ b/arch/h8300/kernel/head_rom.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 #include <asm/thread_info.h>
 
diff --git a/arch/h8300/kernel/irq.c b/arch/h8300/kernel/irq.c
index da79f9521699..834e4d7b1bcf 100644
--- a/arch/h8300/kernel/irq.c
+++ b/arch/h8300/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/h8300/kernel/irq.c
  *
diff --git a/arch/h8300/kernel/module.c b/arch/h8300/kernel/module.c
index 515f6c4e8d80..cd802cc78d97 100644
--- a/arch/h8300/kernel/module.c
+++ b/arch/h8300/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/moduleloader.h>
 #include <linux/elf.h>
 #include <linux/vmalloc.h>
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index d1ddcabbbe83..e35cdf092e07 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/kernel/process.c
  *
diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c
index 6be15d634650..a4d0470c10a9 100644
--- a/arch/h8300/kernel/setup.c
+++ b/arch/h8300/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/kernel/setup.c
  *
diff --git a/arch/h8300/kernel/syscalls.c b/arch/h8300/kernel/syscalls.c
index 1f9123a013d3..9022036fb3d2 100644
--- a/arch/h8300/kernel/syscalls.c
+++ b/arch/h8300/kernel/syscalls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/syscalls.h>
 #include <linux/signal.h>
 #include <linux/unistd.h>
diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S
index 7f11da1b895e..35716a3048de 100644
--- a/arch/h8300/kernel/vmlinux.lds.S
+++ b/arch/h8300/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
 #include <asm/thread_info.h>
diff --git a/arch/h8300/lib/abs.S b/arch/h8300/lib/abs.S
index efda749db03e..6e1a4ed3af53 100644
--- a/arch/h8300/lib/abs.S
+++ b/arch/h8300/lib/abs.S
@@ -1,3 +1,4 @@
+;;; SPDX-License-Identifier: GPL-2.0
 ;;; abs.S
 
 #include <asm/linkage.h>
diff --git a/arch/h8300/lib/ashldi3.c b/arch/h8300/lib/ashldi3.c
index c6aa8ea5f4be..430720c0c5d8 100644
--- a/arch/h8300/lib/ashldi3.c
+++ b/arch/h8300/lib/ashldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 DWtype
diff --git a/arch/h8300/lib/ashrdi3.c b/arch/h8300/lib/ashrdi3.c
index 070adf96d3b6..2c6cd424eb3e 100644
--- a/arch/h8300/lib/ashrdi3.c
+++ b/arch/h8300/lib/ashrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 DWtype __ashrdi3(DWtype u, word_type b)
diff --git a/arch/h8300/lib/delay.c b/arch/h8300/lib/delay.c
index 463f6b3afb52..f4277529a9b9 100644
--- a/arch/h8300/lib/delay.c
+++ b/arch/h8300/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * delay loops
  *
diff --git a/arch/h8300/lib/libgcc.h b/arch/h8300/lib/libgcc.h
index 468a8f78197a..b8bcf7035ff5 100644
--- a/arch/h8300/lib/libgcc.h
+++ b/arch/h8300/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __H8300_LIBGCC_H__
 #define __H8300_LIBGCC_H__
 
diff --git a/arch/h8300/lib/lshrdi3.c b/arch/h8300/lib/lshrdi3.c
index a86bbe395f17..8dbc861ca589 100644
--- a/arch/h8300/lib/lshrdi3.c
+++ b/arch/h8300/lib/lshrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 DWtype __lshrdi3(DWtype u, word_type b)
diff --git a/arch/h8300/lib/memcpy.S b/arch/h8300/lib/memcpy.S
index 0c9a51fcdea1..f1cd67d5e3ea 100644
--- a/arch/h8300/lib/memcpy.S
+++ b/arch/h8300/lib/memcpy.S
@@ -1,3 +1,4 @@
+;;; SPDX-License-Identifier: GPL-2.0
 ;;; memcpy.S
 
 #include <asm/linkage.h>
diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S
index 18d4e709b5f4..2d1abc37fd08 100644
--- a/arch/h8300/lib/memset.S
+++ b/arch/h8300/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* memset.S */
 
 #include <asm/linkage.h>
diff --git a/arch/h8300/lib/moddivsi3.S b/arch/h8300/lib/moddivsi3.S
index c803129e877f..9e33ab0456c7 100644
--- a/arch/h8300/lib/moddivsi3.S
+++ b/arch/h8300/lib/moddivsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "libgcc.h"
 
 ; numerator in A0/A1
diff --git a/arch/h8300/lib/modsi3.S b/arch/h8300/lib/modsi3.S
index 68b1dfc32824..bdc8a002921d 100644
--- a/arch/h8300/lib/modsi3.S
+++ b/arch/h8300/lib/modsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "libgcc.h"
 
 ; numerator in A0/A1
diff --git a/arch/h8300/lib/muldi3.c b/arch/h8300/lib/muldi3.c
index 790512243531..9cb11b134e54 100644
--- a/arch/h8300/lib/muldi3.c
+++ b/arch/h8300/lib/muldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
diff --git a/arch/h8300/lib/mulsi3.S b/arch/h8300/lib/mulsi3.S
index 451f0e0538ee..5a062fd298d1 100644
--- a/arch/h8300/lib/mulsi3.S
+++ b/arch/h8300/lib/mulsi3.S
@@ -1,3 +1,4 @@
+; SPDX-License-Identifier: GPL-2.0
 ;
 ; mulsi3 for H8/300H - based on Renesas SH implementation
 ;
diff --git a/arch/h8300/lib/strncpy.S b/arch/h8300/lib/strncpy.S
index d00396a378f4..8b65d7c4727b 100644
--- a/arch/h8300/lib/strncpy.S
+++ b/arch/h8300/lib/strncpy.S
@@ -1,3 +1,4 @@
+;;; SPDX-License-Identifier: GPL-2.0
 ;;; strncpy.S
 
 #include <asm/linkage.h>
diff --git a/arch/h8300/lib/ucmpdi2.c b/arch/h8300/lib/ucmpdi2.c
index 772399d705cb..9f646885f3d7 100644
--- a/arch/h8300/lib/ucmpdi2.c
+++ b/arch/h8300/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 word_type __ucmpdi2(DWtype a, DWtype b)
diff --git a/arch/h8300/lib/udivsi3.S b/arch/h8300/lib/udivsi3.S
index bbe65610f316..b810aba8e100 100644
--- a/arch/h8300/lib/udivsi3.S
+++ b/arch/h8300/lib/udivsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "libgcc.h"
 
 	;; This function also computes the remainder and stores it in er3.
diff --git a/arch/h8300/mm/fault.c b/arch/h8300/mm/fault.c
index 5924ff555ded..fabffb83930a 100644
--- a/arch/h8300/mm/fault.c
+++ b/arch/h8300/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/mm/fault.c
  *
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 495a3d6b539b..eeead51bed2d 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/mm/init.c
  *
diff --git a/arch/h8300/mm/memory.c b/arch/h8300/mm/memory.c
index 4974aa40bcb8..3785f72bf3fc 100644
--- a/arch/h8300/mm/memory.c
+++ b/arch/h8300/mm/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/mm/memory.c
  *
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 1941e4baaee6..76d2f20d525e 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Hexagon configuration
 comment "Linux Kernel Configuration for Hexagon"
 
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile
index 207711a0fd0c..48fe08230a80 100644
--- a/arch/hexagon/Makefile
+++ b/arch/hexagon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #  Makefile for the Hexagon arch
 
 KBUILD_DEFCONFIG = comet_defconfig
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index 34013683d123..4a23e527d651 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += barrier.h
 generic-y += bug.h
 generic-y += bugs.h
diff --git a/arch/hexagon/include/asm/futex.h b/arch/hexagon/include/asm/futex.h
index c607b77c8215..c889f5993ecd 100644
--- a/arch/hexagon/include/asm/futex.h
+++ b/arch/hexagon/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HEXAGON_FUTEX_H
 #define _ASM_HEXAGON_FUTEX_H
 
diff --git a/arch/hexagon/kernel/Makefile b/arch/hexagon/kernel/Makefile
index 009228b8611c..fae3dce32fde 100644
--- a/arch/hexagon/kernel/Makefile
+++ b/arch/hexagon/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 extra-y := head.o vmlinux.lds
 
 obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 6a15083cc366..1efc444f5fa1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PGTABLE_LEVELS
 	int "Page Table Levels" if !IA64_PAGE_SIZE_64KB
 	range 3 4 if !IA64_PAGE_SIZE_64KB
diff --git a/arch/ia64/Kconfig.debug b/arch/ia64/Kconfig.debug
index 4763887ba368..677c409425df 100644
--- a/arch/ia64/Kconfig.debug
+++ b/arch/ia64/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/ia64/dig/Makefile b/arch/ia64/dig/Makefile
index ae16ec4f6308..e7f830825470 100644
--- a/arch/ia64/dig/Makefile
+++ b/arch/ia64/dig/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # ia64/platform/dig/Makefile
 #
diff --git a/arch/ia64/dig/setup.c b/arch/ia64/dig/setup.c
index 98131e1db7a0..cc14fdce6db6 100644
--- a/arch/ia64/dig/setup.c
+++ b/arch/ia64/dig/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Platform dependent support for DIG64 platforms.
  *
diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 0310078a95f8..63d8e1d2477f 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
  *   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/hp/sim/Kconfig b/arch/ia64/hp/sim/Kconfig
index d84707d55203..56fb4f1d4f7c 100644
--- a/arch/ia64/hp/sim/Kconfig
+++ b/arch/ia64/hp/sim/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 menu "HP Simulator drivers"
 	depends on IA64_HP_SIM || IA64_GENERIC
diff --git a/arch/ia64/hp/sim/Makefile b/arch/ia64/hp/sim/Makefile
index d10da47931d7..0224a13d2c5b 100644
--- a/arch/ia64/hp/sim/Makefile
+++ b/arch/ia64/hp/sim/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # ia64/platform/hp/sim/Makefile
 #
diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S
index 8808565491fb..a7d178fb41e8 100644
--- a/arch/ia64/hp/sim/boot/boot_head.S
+++ b/arch/ia64/hp/sim/boot/boot_head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1998-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/hp/sim/boot/bootloader.c b/arch/ia64/hp/sim/boot/bootloader.c
index 28f4b230b8cb..6d804608dc81 100644
--- a/arch/ia64/hp/sim/boot/bootloader.c
+++ b/arch/ia64/hp/sim/boot/bootloader.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/ia64/hp/sim/boot/bootloader.c
  *
diff --git a/arch/ia64/hp/sim/boot/bootloader.lds b/arch/ia64/hp/sim/boot/bootloader.lds
index 3977f25a1265..f3f284d6514c 100644
--- a/arch/ia64/hp/sim/boot/bootloader.lds
+++ b/arch/ia64/hp/sim/boot/bootloader.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 OUTPUT_FORMAT("elf64-ia64-little")
 OUTPUT_ARCH(ia64)
 ENTRY(_start)
diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c
index 87bf9ad8cf0f..517fb2822e04 100644
--- a/arch/ia64/hp/sim/boot/fw-emu.c
+++ b/arch/ia64/hp/sim/boot/fw-emu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PAL & SAL emulation.
  *
diff --git a/arch/ia64/hp/sim/boot/ssc.h b/arch/ia64/hp/sim/boot/ssc.h
index 3b94c03e43a9..88752c7509e0 100644
--- a/arch/ia64/hp/sim/boot/ssc.h
+++ b/arch/ia64/hp/sim/boot/ssc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1998-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/hp/sim/hpsim.S b/arch/ia64/hp/sim/hpsim.S
index ff16e8a857d1..44b4d53e1689 100644
--- a/arch/ia64/hp/sim/hpsim.S
+++ b/arch/ia64/hp/sim/hpsim.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/asmmacro.h>
 
 /*
diff --git a/arch/ia64/hp/sim/hpsim_console.c b/arch/ia64/hp/sim/hpsim_console.c
index 01663bc42b1a..bffd9f67a8a1 100644
--- a/arch/ia64/hp/sim/hpsim_console.c
+++ b/arch/ia64/hp/sim/hpsim_console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Platform dependent support for HP simulator.
  *
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
index 0aa70ebda49d..2f1cc59650ab 100644
--- a/arch/ia64/hp/sim/hpsim_irq.c
+++ b/arch/ia64/hp/sim/hpsim_irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Platform dependent support for HP simulator.
  *
diff --git a/arch/ia64/hp/sim/hpsim_setup.c b/arch/ia64/hp/sim/hpsim_setup.c
index 664a5402a695..41d21d51dc4d 100644
--- a/arch/ia64/hp/sim/hpsim_setup.c
+++ b/arch/ia64/hp/sim/hpsim_setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Platform dependent support for HP simulator.
  *
diff --git a/arch/ia64/hp/sim/hpsim_ssc.h b/arch/ia64/hp/sim/hpsim_ssc.h
index bfa3906274b3..6fd97a487811 100644
--- a/arch/ia64/hp/sim/hpsim_ssc.h
+++ b/arch/ia64/hp/sim/hpsim_ssc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Platform dependent support for HP simulator.
  *
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index d1b04c4c95e3..f39ef2b4ed72 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simulated Ethernet Driver
  *
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 085047f3a545..7e1426e76d96 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simulated SCSI driver.
  *
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 70d52e9bb575..a419ccf33cde 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simulated Serial Driver (fake serial)
  *
diff --git a/arch/ia64/include/asm/agp.h b/arch/ia64/include/asm/agp.h
index 01d09c401c5c..2b451c4496da 100644
--- a/arch/ia64/include/asm/agp.h
+++ b/arch/ia64/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_AGP_H
 #define _ASM_IA64_AGP_H
 
diff --git a/arch/ia64/include/asm/asm-prototypes.h b/arch/ia64/include/asm/asm-prototypes.h
index a2c139808cfe..c711536674e3 100644
--- a/arch/ia64/include/asm/asm-prototypes.h
+++ b/arch/ia64/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_ASM_PROTOTYPES_H
 #define _ASM_IA64_ASM_PROTOTYPES_H
 
diff --git a/arch/ia64/include/asm/asmmacro.h b/arch/ia64/include/asm/asmmacro.h
index 3ab6d75aa3db..52619c517f09 100644
--- a/arch/ia64/include/asm/asmmacro.h
+++ b/arch/ia64/include/asm/asmmacro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_ASMMACRO_H
 #define _ASM_IA64_ASMMACRO_H
 
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 65d4bb2b6685..28e02c99be6d 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_ATOMIC_H
 #define _ASM_IA64_ATOMIC_H
 
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h
index 588f1614cafc..751cdd353446 100644
--- a/arch/ia64/include/asm/barrier.h
+++ b/arch/ia64/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Memory barrier definitions.  This is based on information published
  * in the Processor Abstraction Layer and the System Abstraction Layer
diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
index 71e8145243ee..56a774bf13fa 100644
--- a/arch/ia64/include/asm/bitops.h
+++ b/arch/ia64/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_BITOPS_H
 #define _ASM_IA64_BITOPS_H
 
diff --git a/arch/ia64/include/asm/bug.h b/arch/ia64/include/asm/bug.h
index 823616b5020b..bd3eeb8d1cfa 100644
--- a/arch/ia64/include/asm/bug.h
+++ b/arch/ia64/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_BUG_H
 #define _ASM_IA64_BUG_H
 
diff --git a/arch/ia64/include/asm/bugs.h b/arch/ia64/include/asm/bugs.h
index 433523e3b2ed..0d6b9bded56c 100644
--- a/arch/ia64/include/asm/bugs.h
+++ b/arch/ia64/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is included by init/main.c to check for architecture-dependent bugs.
  *
diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h
index 988254a7d349..4eb6f742d14f 100644
--- a/arch/ia64/include/asm/cache.h
+++ b/arch/ia64/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_CACHE_H
 #define _ASM_IA64_CACHE_H
 
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h
index 429eefc93ee7..6d3478f8abc8 100644
--- a/arch/ia64/include/asm/cacheflush.h
+++ b/arch/ia64/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_CACHEFLUSH_H
 #define _ASM_IA64_CACHEFLUSH_H
 
diff --git a/arch/ia64/include/asm/checksum.h b/arch/ia64/include/asm/checksum.h
index 7accf54162b2..0ed18bc3f6cf 100644
--- a/arch/ia64/include/asm/checksum.h
+++ b/arch/ia64/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_CHECKSUM_H
 #define _ASM_IA64_CHECKSUM_H
 
diff --git a/arch/ia64/include/asm/clocksource.h b/arch/ia64/include/asm/clocksource.h
index 5c8596e4cb02..71a517751afa 100644
--- a/arch/ia64/include/asm/clocksource.h
+++ b/arch/ia64/include/asm/clocksource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* IA64-specific clocksource additions */
 
 #ifndef _ASM_IA64_CLOCKSOURCE_H
diff --git a/arch/ia64/include/asm/cpu.h b/arch/ia64/include/asm/cpu.h
index fcca30b9f110..db125df9e088 100644
--- a/arch/ia64/include/asm/cpu.h
+++ b/arch/ia64/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_CPU_H_
 #define _ASM_IA64_CPU_H_
 
diff --git a/arch/ia64/include/asm/current.h b/arch/ia64/include/asm/current.h
index c659f90fbfd9..86fbcc88dff2 100644
--- a/arch/ia64/include/asm/current.h
+++ b/arch/ia64/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_CURRENT_H
 #define _ASM_IA64_CURRENT_H
 
diff --git a/arch/ia64/include/asm/cyclone.h b/arch/ia64/include/asm/cyclone.h
index 88f6500e84ab..a481393647e9 100644
--- a/arch/ia64/include/asm/cyclone.h
+++ b/arch/ia64/include/asm/cyclone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_IA64_CYCLONE_H
 #define ASM_IA64_CYCLONE_H
 
diff --git a/arch/ia64/include/asm/delay.h b/arch/ia64/include/asm/delay.h
index a30a62f235e1..0227ac586107 100644
--- a/arch/ia64/include/asm/delay.h
+++ b/arch/ia64/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_DELAY_H
 #define _ASM_IA64_DELAY_H
 
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 3ce5ab4339f3..5da9421fb0ff 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_DMA_MAPPING_H
 #define _ASM_IA64_DMA_MAPPING_H
 
diff --git a/arch/ia64/include/asm/dma.h b/arch/ia64/include/asm/dma.h
index 4d97f60f1ef5..186850eec934 100644
--- a/arch/ia64/include/asm/dma.h
+++ b/arch/ia64/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_DMA_H
 #define _ASM_IA64_DMA_H
 
diff --git a/arch/ia64/include/asm/dmi.h b/arch/ia64/include/asm/dmi.h
index f365a61f5c71..ecd9e0a0f5f9 100644
--- a/arch/ia64/include/asm/dmi.h
+++ b/arch/ia64/include/asm/dmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_DMI_H
 #define _ASM_DMI_H 1
 
diff --git a/arch/ia64/include/asm/early_ioremap.h b/arch/ia64/include/asm/early_ioremap.h
index eec9e1d1b833..934191b1e2e3 100644
--- a/arch/ia64/include/asm/early_ioremap.h
+++ b/arch/ia64/include/asm/early_ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_EARLY_IOREMAP_H
 #define _ASM_IA64_EARLY_IOREMAP_H
 
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index 5a83c5cc3dc8..c70bb9c11f52 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_ELF_H
 #define _ASM_IA64_ELF_H
 
diff --git a/arch/ia64/include/asm/esi.h b/arch/ia64/include/asm/esi.h
index 40991c6ba647..56d1310af06e 100644
--- a/arch/ia64/include/asm/esi.h
+++ b/arch/ia64/include/asm/esi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ESI service calls.
  *
diff --git a/arch/ia64/include/asm/extable.h b/arch/ia64/include/asm/extable.h
index 20376e71eab4..83eac6aa0639 100644
--- a/arch/ia64/include/asm/extable.h
+++ b/arch/ia64/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_EXTABLE_H
 #define _ASM_IA64_EXTABLE_H
 
diff --git a/arch/ia64/include/asm/fb.h b/arch/ia64/include/asm/fb.h
index 89a397cee90a..5f95782bfa46 100644
--- a/arch/ia64/include/asm/fb.h
+++ b/arch/ia64/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/ia64/include/asm/fpswa.h b/arch/ia64/include/asm/fpswa.h
index 62edfceadaa6..2a0c23728b26 100644
--- a/arch/ia64/include/asm/fpswa.h
+++ b/arch/ia64/include/asm/fpswa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_FPSWA_H
 #define _ASM_IA64_FPSWA_H
 
diff --git a/arch/ia64/include/asm/ftrace.h b/arch/ia64/include/asm/ftrace.h
index fbd1a2470cae..a07a8e575453 100644
--- a/arch/ia64/include/asm/ftrace.h
+++ b/arch/ia64/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_FTRACE_H
 #define _ASM_IA64_FTRACE_H
 
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index 6d67dc1eaf2b..db2dd85918c2 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FUTEX_H
 #define _ASM_FUTEX_H
 
diff --git a/arch/ia64/include/asm/gcc_intrin.h b/arch/ia64/include/asm/gcc_intrin.h
index f9495b1757a8..83f230b23867 100644
--- a/arch/ia64/include/asm/gcc_intrin.h
+++ b/arch/ia64/include/asm/gcc_intrin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com>
diff --git a/arch/ia64/include/asm/hardirq.h b/arch/ia64/include/asm/hardirq.h
index 8fb7d33a661f..bdc4669c71c3 100644
--- a/arch/ia64/include/asm/hardirq.h
+++ b/arch/ia64/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_HARDIRQ_H
 #define _ASM_IA64_HARDIRQ_H
 
diff --git a/arch/ia64/include/asm/hpsim.h b/arch/ia64/include/asm/hpsim.h
index 0fe50225daa4..00fbd5cc8ab8 100644
--- a/arch/ia64/include/asm/hpsim.h
+++ b/arch/ia64/include/asm/hpsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMIA64_HPSIM_H
 #define _ASMIA64_HPSIM_H
 
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index ef65f026b11e..74d2a5540aaf 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_HUGETLB_H
 #define _ASM_IA64_HUGETLB_H
 
diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h
index 74347ebf7d68..5dd3c6485c3a 100644
--- a/arch/ia64/include/asm/hw_irq.h
+++ b/arch/ia64/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_HW_IRQ_H
 #define _ASM_IA64_HW_IRQ_H
 
diff --git a/arch/ia64/include/asm/idle.h b/arch/ia64/include/asm/idle.h
index b7685015a8ba..97c55b97e0ba 100644
--- a/arch/ia64/include/asm/idle.h
+++ b/arch/ia64/include/asm/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_IDLE_H
 #define _ASM_IA64_IDLE_H
 
diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h
index ec970a920132..035b17fe12ef 100644
--- a/arch/ia64/include/asm/intrinsics.h
+++ b/arch/ia64/include/asm/intrinsics.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Compiler-dependent intrinsics.
  *
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index a2540e21f919..fb0651961e2c 100644
--- a/arch/ia64/include/asm/io.h
+++ b/arch/ia64/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_IO_H
 #define _ASM_IA64_IO_H
 
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 1d1212901ae7..156b9d8e1932 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_IOMMU_H
 #define _ASM_IA64_IOMMU_H 1
 
diff --git a/arch/ia64/include/asm/iommu_table.h b/arch/ia64/include/asm/iommu_table.h
index 92c8d36ae5ae..cc96116ac276 100644
--- a/arch/ia64/include/asm/iommu_table.h
+++ b/arch/ia64/include/asm/iommu_table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_IOMMU_TABLE_H
 #define _ASM_IA64_IOMMU_TABLE_H
 
diff --git a/arch/ia64/include/asm/iosapic.h b/arch/ia64/include/asm/iosapic.h
index 4ae1fbd7f10e..f48556cb8afc 100644
--- a/arch/ia64/include/asm/iosapic.h
+++ b/arch/ia64/include/asm/iosapic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IA64_IOSAPIC_H
 #define __ASM_IA64_IOSAPIC_H
 
diff --git a/arch/ia64/include/asm/irq.h b/arch/ia64/include/asm/irq.h
index 820667cbea7e..8b84a55ed38a 100644
--- a/arch/ia64/include/asm/irq.h
+++ b/arch/ia64/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_IRQ_H
 #define _ASM_IA64_IRQ_H
 
diff --git a/arch/ia64/include/asm/irq_remapping.h b/arch/ia64/include/asm/irq_remapping.h
index a8687b1d8906..547a6e87018c 100644
--- a/arch/ia64/include/asm/irq_remapping.h
+++ b/arch/ia64/include/asm/irq_remapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IA64_INTR_REMAPPING_H
 #define __IA64_INTR_REMAPPING_H
 #define irq_remapping_enabled 0
diff --git a/arch/ia64/include/asm/irqflags.h b/arch/ia64/include/asm/irqflags.h
index cec6c06b52c0..d97f8435be4f 100644
--- a/arch/ia64/include/asm/irqflags.h
+++ b/arch/ia64/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IRQ flags defines.
  *
diff --git a/arch/ia64/include/asm/kexec.h b/arch/ia64/include/asm/kexec.h
index aea2b81b03a3..294b1e1ebd2d 100644
--- a/arch/ia64/include/asm/kexec.h
+++ b/arch/ia64/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_KEXEC_H
 #define _ASM_IA64_KEXEC_H
 
diff --git a/arch/ia64/include/asm/kmap_types.h b/arch/ia64/include/asm/kmap_types.h
index 05d5f9996105..5c268cf7c2bd 100644
--- a/arch/ia64/include/asm/kmap_types.h
+++ b/arch/ia64/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_KMAP_TYPES_H
 #define _ASM_IA64_KMAP_TYPES_H
 
diff --git a/arch/ia64/include/asm/kregs.h b/arch/ia64/include/asm/kregs.h
index 39e65f6639f5..44113b75e4eb 100644
--- a/arch/ia64/include/asm/kregs.h
+++ b/arch/ia64/include/asm/kregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_KREGS_H
 #define _ASM_IA64_KREGS_H
 
diff --git a/arch/ia64/include/asm/libata-portmap.h b/arch/ia64/include/asm/libata-portmap.h
index 7a1f8310596b..757f84e5dc6e 100644
--- a/arch/ia64/include/asm/libata-portmap.h
+++ b/arch/ia64/include/asm/libata-portmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IA64_LIBATA_PORTMAP_H
 #define __ASM_IA64_LIBATA_PORTMAP_H
 
diff --git a/arch/ia64/include/asm/linkage.h b/arch/ia64/include/asm/linkage.h
index 787575701f1c..5178af560925 100644
--- a/arch/ia64/include/asm/linkage.h
+++ b/arch/ia64/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index af285c423e1e..267f4f170191 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine vector for IA-64.
  *
diff --git a/arch/ia64/include/asm/machvec_dig.h b/arch/ia64/include/asm/machvec_dig.h
index 1f7403a2fbee..bc230f69faeb 100644
--- a/arch/ia64/include/asm/machvec_dig.h
+++ b/arch/ia64/include/asm/machvec_dig.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MACHVEC_DIG_h
 #define _ASM_IA64_MACHVEC_DIG_h
 
diff --git a/arch/ia64/include/asm/machvec_dig_vtd.h b/arch/ia64/include/asm/machvec_dig_vtd.h
index 44308b4c3f6e..bb44eb9039dd 100644
--- a/arch/ia64/include/asm/machvec_dig_vtd.h
+++ b/arch/ia64/include/asm/machvec_dig_vtd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MACHVEC_DIG_VTD_h
 #define _ASM_IA64_MACHVEC_DIG_VTD_h
 
diff --git a/arch/ia64/include/asm/machvec_hpsim.h b/arch/ia64/include/asm/machvec_hpsim.h
index e75711279366..056f8405822e 100644
--- a/arch/ia64/include/asm/machvec_hpsim.h
+++ b/arch/ia64/include/asm/machvec_hpsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MACHVEC_HPSIM_h
 #define _ASM_IA64_MACHVEC_HPSIM_h
 
diff --git a/arch/ia64/include/asm/machvec_hpzx1.h b/arch/ia64/include/asm/machvec_hpzx1.h
index c74d3159e9eb..5299ac38bfb6 100644
--- a/arch/ia64/include/asm/machvec_hpzx1.h
+++ b/arch/ia64/include/asm/machvec_hpzx1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MACHVEC_HPZX1_h
 #define _ASM_IA64_MACHVEC_HPZX1_h
 
diff --git a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h
index 906ef6210774..5aec6a008c61 100644
--- a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h
+++ b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MACHVEC_HPZX1_SWIOTLB_h
 #define _ASM_IA64_MACHVEC_HPZX1_SWIOTLB_h
 
diff --git a/arch/ia64/include/asm/machvec_init.h b/arch/ia64/include/asm/machvec_init.h
index 37a469849ab9..2b32fd06b7c6 100644
--- a/arch/ia64/include/asm/machvec_init.h
+++ b/arch/ia64/include/asm/machvec_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/iommu.h>
 #include <asm/machvec.h>
 
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index 8c7096168716..726df17f1b51 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	mca.h
  * Purpose:	Machine check handling specific defines
diff --git a/arch/ia64/include/asm/mca_asm.h b/arch/ia64/include/asm/mca_asm.h
index 13c1d4994d49..e3ab1f41f1c3 100644
--- a/arch/ia64/include/asm/mca_asm.h
+++ b/arch/ia64/include/asm/mca_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	mca_asm.h
  * Purpose:	Machine check handling specific defines
diff --git a/arch/ia64/include/asm/mman.h b/arch/ia64/include/asm/mman.h
index fdd5f5229f78..15cf100add0e 100644
--- a/arch/ia64/include/asm/mman.h
+++ b/arch/ia64/include/asm/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Based on <asm-i386/mman.h>.
  *
diff --git a/arch/ia64/include/asm/mmu.h b/arch/ia64/include/asm/mmu.h
index 611432ba579c..f75f44f531c2 100644
--- a/arch/ia64/include/asm/mmu.h
+++ b/arch/ia64/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/ia64/include/asm/mmu_context.h b/arch/ia64/include/asm/mmu_context.h
index 9b99368633b5..2da0e2eb036b 100644
--- a/arch/ia64/include/asm/mmu_context.h
+++ b/arch/ia64/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MMU_CONTEXT_H
 #define _ASM_IA64_MMU_CONTEXT_H
 
diff --git a/arch/ia64/include/asm/module.h b/arch/ia64/include/asm/module.h
index f31894b2a354..f319144260ce 100644
--- a/arch/ia64/include/asm/module.h
+++ b/arch/ia64/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_MODULE_H
 #define _ASM_IA64_MODULE_H
 
diff --git a/arch/ia64/include/asm/msidef.h b/arch/ia64/include/asm/msidef.h
index 592c1047a0c5..18d0e4226748 100644
--- a/arch/ia64/include/asm/msidef.h
+++ b/arch/ia64/include/asm/msidef.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IA64_MSI_DEF_H
 #define _IA64_MSI_DEF_H
 
diff --git a/arch/ia64/include/asm/page.h b/arch/ia64/include/asm/page.h
index e8c486ef0d76..5798bd2b462c 100644
--- a/arch/ia64/include/asm/page.h
+++ b/arch/ia64/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PAGE_H
 #define _ASM_IA64_PAGE_H
 /*
diff --git a/arch/ia64/include/asm/pal.h b/arch/ia64/include/asm/pal.h
index 2e69284df8e7..f9d2b3b2dfad 100644
--- a/arch/ia64/include/asm/pal.h
+++ b/arch/ia64/include/asm/pal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PAL_H
 #define _ASM_IA64_PAL_H
 
diff --git a/arch/ia64/include/asm/param.h b/arch/ia64/include/asm/param.h
index 1295913d6a82..f0b786227c40 100644
--- a/arch/ia64/include/asm/param.h
+++ b/arch/ia64/include/asm/param.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Fundamental kernel parameters.
  *
diff --git a/arch/ia64/include/asm/parport.h b/arch/ia64/include/asm/parport.h
index 638b4d271b99..360ca9bf2f6f 100644
--- a/arch/ia64/include/asm/parport.h
+++ b/arch/ia64/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * parport.h: platform-specific PC-style parport initialisation
  *
diff --git a/arch/ia64/include/asm/patch.h b/arch/ia64/include/asm/patch.h
index 295fe6ab4584..bd487ed22bf5 100644
--- a/arch/ia64/include/asm/patch.h
+++ b/arch/ia64/include/asm/patch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PATCH_H
 #define _ASM_IA64_PATCH_H
 
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 6459f2d46200..e20d77f6a3c1 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PCI_H
 #define _ASM_IA64_PCI_H
 
diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h
index b9295793a5e2..f357b9bb3576 100644
--- a/arch/ia64/include/asm/percpu.h
+++ b/arch/ia64/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PERCPU_H
 #define _ASM_IA64_PERCPU_H
 
diff --git a/arch/ia64/include/asm/perfmon.h b/arch/ia64/include/asm/perfmon.h
index 15476dd3a8b0..e0545869cc8c 100644
--- a/arch/ia64/include/asm/perfmon.h
+++ b/arch/ia64/include/asm/perfmon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2001-2003 Hewlett-Packard Co
  *               Stephane Eranian <eranian@hpl.hp.com>
diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
index f5e70e961948..3ee5362f2661 100644
--- a/arch/ia64/include/asm/pgalloc.h
+++ b/arch/ia64/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PGALLOC_H
 #define _ASM_IA64_PGALLOC_H
 
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index 6cc22c8d8923..165827774bea 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PGTABLE_H
 #define _ASM_IA64_PGTABLE_H
 
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h
index ab982f07ea68..10061ccf0440 100644
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_PROCESSOR_H
 #define _ASM_IA64_PROCESSOR_H
 
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 845143990a1d..7ff574d56429 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1998-2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h
index 8fa98dd303b4..7d6fceb3d567 100644
--- a/arch/ia64/include/asm/rwsem.h
+++ b/arch/ia64/include/asm/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * R/W semaphores for ia64
  *
diff --git a/arch/ia64/include/asm/sal.h b/arch/ia64/include/asm/sal.h
index e504f382115e..588f33156da6 100644
--- a/arch/ia64/include/asm/sal.h
+++ b/arch/ia64/include/asm/sal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SAL_H
 #define _ASM_IA64_SAL_H
 
diff --git a/arch/ia64/include/asm/sections.h b/arch/ia64/include/asm/sections.h
index 2ab2003698ef..f3481408594e 100644
--- a/arch/ia64/include/asm/sections.h
+++ b/arch/ia64/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SECTIONS_H
 #define _ASM_IA64_SECTIONS_H
 
diff --git a/arch/ia64/include/asm/shmparam.h b/arch/ia64/include/asm/shmparam.h
index d07508dc54ae..43bd8324ab71 100644
--- a/arch/ia64/include/asm/shmparam.h
+++ b/arch/ia64/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SHMPARAM_H
 #define _ASM_IA64_SHMPARAM_H
 
diff --git a/arch/ia64/include/asm/signal.h b/arch/ia64/include/asm/signal.h
index c62afa4a0dc2..80f067f9b3ce 100644
--- a/arch/ia64/include/asm/signal.h
+++ b/arch/ia64/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Modified 1998-2001, 2003
  *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
diff --git a/arch/ia64/include/asm/smp.h b/arch/ia64/include/asm/smp.h
index fea21e986022..7847ae40a181 100644
--- a/arch/ia64/include/asm/smp.h
+++ b/arch/ia64/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SMP Support
  *
diff --git a/arch/ia64/include/asm/sn/ioc3.h b/arch/ia64/include/asm/sn/ioc3.h
index 6eaa3cc1e919..d4a524951df3 100644
--- a/arch/ia64/include/asm/sn/ioc3.h
+++ b/arch/ia64/include/asm/sn/ioc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2005 Silicon Graphics, Inc.
  */
diff --git a/arch/ia64/include/asm/sparsemem.h b/arch/ia64/include/asm/sparsemem.h
index 67a7c40ec27f..336d0570e1fa 100644
--- a/arch/ia64/include/asm/sparsemem.h
+++ b/arch/ia64/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SPARSEMEM_H
 #define _ASM_IA64_SPARSEMEM_H
 
diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
index df2c121164b8..aa057abd948e 100644
--- a/arch/ia64/include/asm/spinlock.h
+++ b/arch/ia64/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SPINLOCK_H
 #define _ASM_IA64_SPINLOCK_H
 
diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h
index e2b42a52a6d3..6e345fefcdca 100644
--- a/arch/ia64/include/asm/spinlock_types.h
+++ b/arch/ia64/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_SPINLOCK_TYPES_H
 #define _ASM_IA64_SPINLOCK_TYPES_H
 
diff --git a/arch/ia64/include/asm/string.h b/arch/ia64/include/asm/string.h
index 85fd65c52a8c..8b84df0dbfad 100644
--- a/arch/ia64/include/asm/string.h
+++ b/arch/ia64/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_STRING_H
 #define _ASM_IA64_STRING_H
 
diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h
index f0acde68aaea..841e2c7d0b21 100644
--- a/arch/ia64/include/asm/swiotlb.h
+++ b/arch/ia64/include/asm/swiotlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_IA64__SWIOTLB_H
 #define ASM_IA64__SWIOTLB_H
 
diff --git a/arch/ia64/include/asm/switch_to.h b/arch/ia64/include/asm/switch_to.h
index e8f3585e7e7a..b10f31ec522c 100644
--- a/arch/ia64/include/asm/switch_to.h
+++ b/arch/ia64/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Low-level task switching. This is based on information published in
  * the Processor Abstraction Layer and the System Abstraction Layer
diff --git a/arch/ia64/include/asm/termios.h b/arch/ia64/include/asm/termios.h
index a42f870ca4f6..589c026444cc 100644
--- a/arch/ia64/include/asm/termios.h
+++ b/arch/ia64/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Modified 1999
  *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 8742d741d19a..1d172a4119a7 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2002-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/include/asm/timex.h b/arch/ia64/include/asm/timex.h
index 86c7db861180..869a3ac6bf23 100644
--- a/arch/ia64/include/asm/timex.h
+++ b/arch/ia64/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_TIMEX_H
 #define _ASM_IA64_TIMEX_H
 
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index cbe5ac3699bf..44f0ac0df308 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_TLB_H
 #define _ASM_IA64_TLB_H
 /*
diff --git a/arch/ia64/include/asm/tlbflush.h b/arch/ia64/include/asm/tlbflush.h
index 3be25dfed164..25e280810f6c 100644
--- a/arch/ia64/include/asm/tlbflush.h
+++ b/arch/ia64/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_TLBFLUSH_H
 #define _ASM_IA64_TLBFLUSH_H
 
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index 4c351b169da2..5ddc7703de99 100644
--- a/arch/ia64/include/asm/types.h
+++ b/arch/ia64/include/asm/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is never included by application software unless explicitly
  * requested (e.g., via linux/types.h) in which case the application is
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 0890ded638f0..a74524f2d625 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_UACCESS_H
 #define _ASM_IA64_UACCESS_H
 
diff --git a/arch/ia64/include/asm/unaligned.h b/arch/ia64/include/asm/unaligned.h
index 7bddc7f58584..328942e3cbce 100644
--- a/arch/ia64/include/asm/unaligned.h
+++ b/arch/ia64/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_UNALIGNED_H
 #define _ASM_IA64_UNALIGNED_H
 
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 8c85209753ab..ffb705dc9c13 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IA-64 Linux syscall numbers and inline-functions.
  *
diff --git a/arch/ia64/include/asm/unwind.h b/arch/ia64/include/asm/unwind.h
index 1af3875f1a57..c5bd4b3e3a36 100644
--- a/arch/ia64/include/asm/unwind.h
+++ b/arch/ia64/include/asm/unwind.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_UNWIND_H
 #define _ASM_IA64_UNWIND_H
 
diff --git a/arch/ia64/include/asm/user.h b/arch/ia64/include/asm/user.h
index 8b9821110348..0ba486651b7c 100644
--- a/arch/ia64/include/asm/user.h
+++ b/arch/ia64/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_USER_H
 #define _ASM_IA64_USER_H
 
diff --git a/arch/ia64/include/asm/ustack.h b/arch/ia64/include/asm/ustack.h
index b275401b96d3..112d40a0fec2 100644
--- a/arch/ia64/include/asm/ustack.h
+++ b/arch/ia64/include/asm/ustack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_USTACK_H
 #define _ASM_IA64_USTACK_H
 
diff --git a/arch/ia64/include/asm/uv/uv.h b/arch/ia64/include/asm/uv/uv.h
index 8f6cbaa742e9..71df93ee3bc0 100644
--- a/arch/ia64/include/asm/uv/uv.h
+++ b/arch/ia64/include/asm/uv/uv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IA64_UV_UV_H
 #define _ASM_IA64_UV_UV_H
 
diff --git a/arch/ia64/include/asm/vga.h b/arch/ia64/include/asm/vga.h
index 02184ecd8208..30cb373f3de8 100644
--- a/arch/ia64/include/asm/vga.h
+++ b/arch/ia64/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 9edda5466020..14ad79f394e5 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/ia64/kernel/Makefile.gate b/arch/ia64/kernel/Makefile.gate
index 7da7c65a9bb1..f53faf48b7ce 100644
--- a/arch/ia64/kernel/Makefile.gate
+++ b/arch/ia64/kernel/Makefile.gate
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # The gate DSO image is built using a special linker script.
 
 targets += gate.so gate.lds gate.o gate-dummy.o
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 798bdb209d00..b385ff2bf6ce 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed
diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c
index 96a9d18ff4c4..5192ca899fe6 100644
--- a/arch/ia64/kernel/audit.c
+++ b/arch/ia64/kernel/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/ia64/kernel/brl_emu.c b/arch/ia64/kernel/brl_emu.c
index 987b11be0021..9bcc908bc85e 100644
--- a/arch/ia64/kernel/brl_emu.c
+++ b/arch/ia64/kernel/brl_emu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Emulation of the "brl" instruction for IA64 processors that
  *  don't support it in hardware.
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 75859a07d75b..39f4433a6f0e 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/ia64/kernel/crash.c
  *
diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c
index 9c12b794e774..0ed3c3dee4cd 100644
--- a/arch/ia64/kernel/crash_dump.c
+++ b/arch/ia64/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	kernel/crash_dump.c - Memory preserving reboot related code.
  *
diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index ee1a4afbf9da..f80eb7fb544d 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/time.h>
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index e0dd97f4eb69..7a82c9259609 100644
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/dma-mapping.h>
 #include <linux/export.h>
 
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 81416000c5e0..9c09bf390cce 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Extensible Firmware Interface
  *
diff --git a/arch/ia64/kernel/efi_stub.S b/arch/ia64/kernel/efi_stub.S
index a56e161d7515..58233bb7976d 100644
--- a/arch/ia64/kernel/efi_stub.S
+++ b/arch/ia64/kernel/efi_stub.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * EFI call stub.
  *
diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c
index 04bc8fd5f893..94680521fbf9 100644
--- a/arch/ia64/kernel/elfcore.c
+++ b/arch/ia64/kernel/elfcore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/elf.h>
 #include <linux/coredump.h>
 #include <linux/fs.h>
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index e7a716b09350..68362b30ea47 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/ia64/kernel/entry.S
  *
diff --git a/arch/ia64/kernel/entry.h b/arch/ia64/kernel/entry.h
index b83edac02965..6463dc316263 100644
--- a/arch/ia64/kernel/entry.h
+++ b/arch/ia64/kernel/entry.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  * Preserved registers that are shared between code in ivt.S and
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index edbf7af95849..c0e7c9af2bb9 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the light-weight system call handlers (fsyscall-handlers).
  *
diff --git a/arch/ia64/kernel/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h
index dcc514917731..0914c02a1eb0 100644
--- a/arch/ia64/kernel/fsyscall_gtod_data.h
+++ b/arch/ia64/kernel/fsyscall_gtod_data.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
  *        Contributed by Peter Keilty <peter.keilty@hp.com>
diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S
index 0bd1b3bfaf1c..9f235cd551ab 100644
--- a/arch/ia64/kernel/gate.S
+++ b/arch/ia64/kernel/gate.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the code that gets mapped at the upper end of each task's text
  * region.  For now, it contains the signal trampoline code only.
diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S
index 3e8271e85a1e..461c7e69d465 100644
--- a/arch/ia64/kernel/gate.lds.S
+++ b/arch/ia64/kernel/gate.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for gate DSO.  The gate pages are an ELF shared object
  * prelinked to its virtual address, with only one read-only segment and
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 3204fddc439c..e6f45170a4b9 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Here is where the ball gets rolling as far as the kernel is concerned.
  * When control is transferred to _start, the bootload has already
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index d111248af719..6b51c88e3578 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific kernel symbols
  */
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index fa8ee64adac2..8df9245e29d9 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is where we statically allocate and initialize the initial
  * task.
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 90fde5b8669d..550243a94b5d 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * I/O SAPIC support.
  *
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 2ff1df7b14ea..8ed81b252694 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/arch/ia64/kernel/irq.c
  *
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index eaa3199f98c8..ab87d6c25b15 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/ia64/kernel/irq_ia64.c
  *
diff --git a/arch/ia64/kernel/irq_lsapic.c b/arch/ia64/kernel/irq_lsapic.c
index 1b3a776e5161..23bf4499a75d 100644
--- a/arch/ia64/kernel/irq_lsapic.c
+++ b/arch/ia64/kernel/irq_lsapic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * LSAPIC Interrupt Controller
  *
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 44a103a5de2b..1efcbe5f0c78 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/ia64/kernel/ivt.S
  *
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index f5a1e5246b3e..7bfe98859911 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <asm/machvec.h>
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index d5bdf9de36b6..086cfa4999fd 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	mca_asm.S
  * Purpose:	assembly portion of the IA64 MCA handling
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index 53b8ecb5b4b9..45bc4e3ae14f 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	mca_drv.h
  * Purpose:	Define helpers for Generic MCA handling
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S
index 767ac2c20d16..4428f57bee73 100644
--- a/arch/ia64/kernel/mca_drv_asm.S
+++ b/arch/ia64/kernel/mca_drv_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:        mca_drv_asm.S
  * Purpose:     Assembly portion of Generic MCA handling
diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 5704700fb703..d6eab2a1084d 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <asm/cache.h>
 
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index d1d945c6bd05..853b5611a894 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IA-64-specific support for kernel module loader.
  *
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index af4eaec0f7c3..519d9432f407 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MSI hooks for standard x86 apic
  */
diff --git a/arch/ia64/kernel/nr-irqs.c b/arch/ia64/kernel/nr-irqs.c
index f6769cd54bd9..f2633b22d3be 100644
--- a/arch/ia64/kernel/nr-irqs.c
+++ b/arch/ia64/kernel/nr-irqs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * calculate
  * NR_IRQS = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, FOO_NR_IRQS...)
diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S
index 94fb2e395498..d3e22c018b68 100644
--- a/arch/ia64/kernel/pal.S
+++ b/arch/ia64/kernel/pal.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PAL Firmware support
  * IA-64 Processor Programmers Reference Vol 2
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index 944a8e2438a6..7f21a8c57ed7 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Instruction-patching support.
  *
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 9094a73f996f..3ba87c22dfbc 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dynamic DMA mapping support.
  */
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index a14989dacded..5e50939aa03e 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Glue code to lib/swiotlb.c */
 
 #include <linux/pci.h>
diff --git a/arch/ia64/kernel/perfmon_generic.h b/arch/ia64/kernel/perfmon_generic.h
index 67489478041e..96af4696cea9 100644
--- a/arch/ia64/kernel/perfmon_generic.h
+++ b/arch/ia64/kernel/perfmon_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the generic PMU register description tables
  * and pmc checker used by perfmon.c.
diff --git a/arch/ia64/kernel/perfmon_itanium.h b/arch/ia64/kernel/perfmon_itanium.h
index d1d508a0fbd3..f2d348648a03 100644
--- a/arch/ia64/kernel/perfmon_itanium.h
+++ b/arch/ia64/kernel/perfmon_itanium.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the Itanium PMU register description tables
  * and pmc checker used by perfmon.c.
diff --git a/arch/ia64/kernel/perfmon_mckinley.h b/arch/ia64/kernel/perfmon_mckinley.h
index c4bec7a9d18f..a993249e58bc 100644
--- a/arch/ia64/kernel/perfmon_mckinley.h
+++ b/arch/ia64/kernel/perfmon_mckinley.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the McKinley PMU register description tables
  * and pmc checker used by perfmon.c.
diff --git a/arch/ia64/kernel/perfmon_montecito.h b/arch/ia64/kernel/perfmon_montecito.h
index 7f8da4c7ca67..c0b5b9110c88 100644
--- a/arch/ia64/kernel/perfmon_montecito.h
+++ b/arch/ia64/kernel/perfmon_montecito.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the Montecito PMU register description tables
  * and pmc checker used by perfmon.c.
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index d344d0d691aa..dda0082056b3 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific setup.
  *
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 3f8293378a83..427cd565fd61 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel support for the ptrace() and syscall tracing interfaces.
  *
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 23e3fd61e335..dee56bcb993d 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific setup.
  *
diff --git a/arch/ia64/kernel/sigframe.h b/arch/ia64/kernel/sigframe.h
index 9fd9a1933b3d..58a36ce6c26e 100644
--- a/arch/ia64/kernel/sigframe.h
+++ b/arch/ia64/kernel/sigframe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 struct sigscratch {
 	unsigned long scratch_unat;	/* ar.unat for the general registers saved in pt */
 	unsigned long ar_pfs;		/* for syscalls, the user-level function-state  */
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 6146d53b6ad7..a254cc98f95c 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific signal handling support.
  *
diff --git a/arch/ia64/kernel/stacktrace.c b/arch/ia64/kernel/stacktrace.c
index 5af2783a87f4..6e583a6bd2f6 100644
--- a/arch/ia64/kernel/stacktrace.c
+++ b/arch/ia64/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/ia64/kernel/stacktrace.c
  *
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 5ce927c854a6..085adfcc74a4 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains various system calls that have different calling
  * conventions on different platforms.
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 3cb17cf9b362..6d4e76a4267f 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific trap handling.
  *
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index a13680ca1e61..72e9b4242564 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture-specific unaligned trap handling.
  *
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index 9704e2cd9878..e04efa088902 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1999-2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/kernel/unwind_decoder.c b/arch/ia64/kernel/unwind_decoder.c
index 50ac2d82f9bf..83f54f7929b5 100644
--- a/arch/ia64/kernel/unwind_decoder.c
+++ b/arch/ia64/kernel/unwind_decoder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2000 Hewlett-Packard Co
  * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/kernel/unwind_i.h b/arch/ia64/kernel/unwind_i.h
index 96693a6ae370..67994a7e5816 100644
--- a/arch/ia64/kernel/unwind_i.h
+++ b/arch/ia64/kernel/unwind_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2000, 2002-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 798026dde52e..58db59da0bd8 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <asm/cache.h>
 #include <asm/ptrace.h>
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index 1a36a3a39624..82118b38532f 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ia64-specific library routines..
 #
diff --git a/arch/ia64/lib/carta_random.S b/arch/ia64/lib/carta_random.S
index d0674c360364..1a4a639dc42f 100644
--- a/arch/ia64/lib/carta_random.S
+++ b/arch/ia64/lib/carta_random.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Fast, simple, yet decent quality random number generator based on
  * a paper by David G. Carta ("Two Fast Implementations of the
diff --git a/arch/ia64/lib/checksum.c b/arch/ia64/lib/checksum.c
index 2cb23cb0c2e1..d26517fe3500 100644
--- a/arch/ia64/lib/checksum.c
+++ b/arch/ia64/lib/checksum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Network checksum routines
  *
diff --git a/arch/ia64/lib/clear_page.S b/arch/ia64/lib/clear_page.S
index 3cf5b76e587f..65b75085c8f4 100644
--- a/arch/ia64/lib/clear_page.S
+++ b/arch/ia64/lib/clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999-2002 Hewlett-Packard Co
  *	Stephane Eranian <eranian@hpl.hp.com>
diff --git a/arch/ia64/lib/clear_user.S b/arch/ia64/lib/clear_user.S
index 7b40731ee5d8..a28f39d349eb 100644
--- a/arch/ia64/lib/clear_user.S
+++ b/arch/ia64/lib/clear_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This routine clears to zero a linear memory buffer in user space.
  *
diff --git a/arch/ia64/lib/copy_page.S b/arch/ia64/lib/copy_page.S
index cbdb9e323ffb..176f857c522e 100644
--- a/arch/ia64/lib/copy_page.S
+++ b/arch/ia64/lib/copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Optimized version of the standard copy_page() function
diff --git a/arch/ia64/lib/copy_page_mck.S b/arch/ia64/lib/copy_page_mck.S
index c13f69036876..d6fd56e4f1c1 100644
--- a/arch/ia64/lib/copy_page_mck.S
+++ b/arch/ia64/lib/copy_page_mck.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * McKinley-optimized version of copy_page().
  *
diff --git a/arch/ia64/lib/copy_user.S b/arch/ia64/lib/copy_user.S
index 66facd52e8d0..f681556c6b86 100644
--- a/arch/ia64/lib/copy_user.S
+++ b/arch/ia64/lib/copy_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Optimized version of the copy_user() routine.
diff --git a/arch/ia64/lib/csum_partial_copy.c b/arch/ia64/lib/csum_partial_copy.c
index 42f7678ef6ad..bf9396b1ed32 100644
--- a/arch/ia64/lib/csum_partial_copy.c
+++ b/arch/ia64/lib/csum_partial_copy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Network Checksum & Copy routine
  *
diff --git a/arch/ia64/lib/do_csum.S b/arch/ia64/lib/do_csum.S
index 1a431a5cf86f..6004dad2597c 100644
--- a/arch/ia64/lib/do_csum.S
+++ b/arch/ia64/lib/do_csum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Optmized version of the standard do_csum() function
diff --git a/arch/ia64/lib/idiv32.S b/arch/ia64/lib/idiv32.S
index 715aed79a9ce..def92b708e6e 100644
--- a/arch/ia64/lib/idiv32.S
+++ b/arch/ia64/lib/idiv32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2000 Hewlett-Packard Co
  * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/lib/idiv64.S b/arch/ia64/lib/idiv64.S
index 25840f697753..a8ba3bd3d4d8 100644
--- a/arch/ia64/lib/idiv64.S
+++ b/arch/ia64/lib/idiv64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999-2000 Hewlett-Packard Co
  * Copyright (C) 1999-2000 David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/arch/ia64/lib/io.c b/arch/ia64/lib/io.c
index bcd16f8ad9d9..d107eaf3790d 100644
--- a/arch/ia64/lib/io.c
+++ b/arch/ia64/lib/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/types.h>
 
diff --git a/arch/ia64/lib/ip_fast_csum.S b/arch/ia64/lib/ip_fast_csum.S
index 648e0d4a4839..dc9e6e6fe876 100644
--- a/arch/ia64/lib/ip_fast_csum.S
+++ b/arch/ia64/lib/ip_fast_csum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Optmized version of the ip_fast_csum() function
  * Used for calculating IP header checksum
diff --git a/arch/ia64/lib/memcpy.S b/arch/ia64/lib/memcpy.S
index ba172fd6acf4..91a625fddbf0 100644
--- a/arch/ia64/lib/memcpy.S
+++ b/arch/ia64/lib/memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Optimized version of the standard memcpy() function
diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S
index bbbadc478f5b..cc4e6ac914b6 100644
--- a/arch/ia64/lib/memcpy_mck.S
+++ b/arch/ia64/lib/memcpy_mck.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Itanium 2-optimized version of memcpy and copy_user function
  *
diff --git a/arch/ia64/lib/memset.S b/arch/ia64/lib/memset.S
index 87b974704075..07a8b92c6496 100644
--- a/arch/ia64/lib/memset.S
+++ b/arch/ia64/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Optimized version of the standard memset() function.
 
    Copyright (c) 2002 Hewlett-Packard Co/CERN
diff --git a/arch/ia64/lib/strlen.S b/arch/ia64/lib/strlen.S
index 1a6e17c657b4..d66de5966974 100644
--- a/arch/ia64/lib/strlen.S
+++ b/arch/ia64/lib/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Optimized version of the standard strlen() function
diff --git a/arch/ia64/lib/strncpy_from_user.S b/arch/ia64/lib/strncpy_from_user.S
index ca9ccf280e2e..49eb81b69cd2 100644
--- a/arch/ia64/lib/strncpy_from_user.S
+++ b/arch/ia64/lib/strncpy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Just like strncpy() except that if a fault occurs during copying,
  * -EFAULT is returned.
diff --git a/arch/ia64/lib/strnlen_user.S b/arch/ia64/lib/strnlen_user.S
index 80a5dfd1d402..4b684d4da106 100644
--- a/arch/ia64/lib/strnlen_user.S
+++ b/arch/ia64/lib/strnlen_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Returns 0 if exception before NUL or reaching the supplied limit (N),
  * a value greater than N if the string is longer than the limit, else
diff --git a/arch/ia64/mm/Makefile b/arch/ia64/mm/Makefile
index bb0a01a81878..99a35039b548 100644
--- a/arch/ia64/mm/Makefile
+++ b/arch/ia64/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ia64-specific parts of the memory manager.
 #
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 878626805369..9b2d994cddf6 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2000, 2003 Silicon Graphics, Inc.  All rights reserved.
  * Copyright (c) 2001 Intel Corp.
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c
index 10dd4a66e167..da477c11770b 100644
--- a/arch/ia64/mm/extable.c
+++ b/arch/ia64/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel exception handling table support.  Derived from arch/alpha/mm/extable.c.
  *
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 15f09cfff335..dfdc152d6737 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MMU fault handling support.
  *
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index ae35140332f7..d16e419fd712 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IA-64 Huge TLB Page Support for Kernel.
  *
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index a4e8d6bd9cfa..7af4e05bb61e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Initialize MMU support.
  *
diff --git a/arch/ia64/module.lds b/arch/ia64/module.lds
index 6481f42fbd8c..eff68f362793 100644
--- a/arch/ia64/module.lds
+++ b/arch/ia64/module.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 SECTIONS {
 	/* Group unwind sections into a single section: */
 	.IA_64.unwind_info : { *(.IA_64.unwind_info*) }
diff --git a/arch/ia64/oprofile/Makefile b/arch/ia64/oprofile/Makefile
index aad27a718ee0..cd134d6643bf 100644
--- a/arch/ia64/oprofile/Makefile
+++ b/arch/ia64/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index 41caa99add51..e1fa45b2148c 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Exceptions for specific devices. Usually work-arounds for fatal design flaws.
  * Derived from fixup.c of i386 tree.
diff --git a/arch/ia64/scripts/check-gas b/arch/ia64/scripts/check-gas
index 2499e0b2243d..787cf9b6b04a 100755
--- a/arch/ia64/scripts/check-gas
+++ b/arch/ia64/scripts/check-gas
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 dir=$(dirname $0)
 CC=$1
 OBJDUMP=$2
diff --git a/arch/ia64/scripts/check-segrel.S b/arch/ia64/scripts/check-segrel.S
index 3be4e3dbeb83..65d6378adaaa 100644
--- a/arch/ia64/scripts/check-segrel.S
+++ b/arch/ia64/scripts/check-segrel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.rodata
 	data4 @segrel(start)
 	.data
diff --git a/arch/ia64/scripts/check-segrel.lds b/arch/ia64/scripts/check-segrel.lds
index 85a0d54fb5ab..c385d246e458 100644
--- a/arch/ia64/scripts/check-segrel.lds
+++ b/arch/ia64/scripts/check-segrel.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 SECTIONS {
 	. = SIZEOF_HEADERS;
 	.rodata : { *(.rodata) } :ro
diff --git a/arch/ia64/scripts/check-text-align.S b/arch/ia64/scripts/check-text-align.S
index 03f586abb734..107fa1c88c2e 100644
--- a/arch/ia64/scripts/check-text-align.S
+++ b/arch/ia64/scripts/check-text-align.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.proc foo
 	.prologue
 foo:	.save rp, r2
diff --git a/arch/ia64/scripts/toolchain-flags b/arch/ia64/scripts/toolchain-flags
index 3f0c2adacb70..12dff5c981cf 100755
--- a/arch/ia64/scripts/toolchain-flags
+++ b/arch/ia64/scripts/toolchain-flags
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # Check whether linker can handle cross-segment @segrel():
 #
diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index 2bfd941ff7c7..89f3a1480a63 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# SPDX-License-Identifier: GPL-2.0
 #
 # Usage: unwcheck.py FILE
 #
diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c
index 66edc36426ed..3009d9d86f29 100644
--- a/arch/ia64/sn/kernel/sn2/timer.c
+++ b/arch/ia64/sn/kernel/sn2/timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/ia64/sn/kernel/sn2/timer.c
  *
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 0777f3a8a1f3..0d9446c37ae8 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config M32R
 	bool
 	default y
diff --git a/arch/m32r/Kconfig.debug b/arch/m32r/Kconfig.debug
index 6c612b7691b0..ffca1e194f91 100644
--- a/arch/m32r/Kconfig.debug
+++ b/arch/m32r/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile
index def8dd0b6bc5..d73b58c847a6 100644
--- a/arch/m32r/Makefile
+++ b/arch/m32r/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # m32r/Makefile
 #
diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile
index 0606a727aab2..abd3c75ebd32 100644
--- a/arch/m32r/boot/compressed/Makefile
+++ b/arch/m32r/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/m32r/boot/compressed/Makefile
 #
diff --git a/arch/m32r/boot/compressed/boot.h b/arch/m32r/boot/compressed/boot.h
index 9272e38d1104..7fce713e8aac 100644
--- a/arch/m32r/boot/compressed/boot.h
+++ b/arch/m32r/boot/compressed/boot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * 1. load vmlinuz
  *
diff --git a/arch/m32r/boot/compressed/head.S b/arch/m32r/boot/compressed/head.S
index 95a0563ff076..39b693640375 100644
--- a/arch/m32r/boot/compressed/head.S
+++ b/arch/m32r/boot/compressed/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/boot/compressed/head.S
  *
diff --git a/arch/m32r/boot/compressed/m32r_sio.c b/arch/m32r/boot/compressed/m32r_sio.c
index cf3023dced49..9d34bd063c31 100644
--- a/arch/m32r/boot/compressed/m32r_sio.c
+++ b/arch/m32r/boot/compressed/m32r_sio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/m32r/boot/compressed/m32r_sio.c
  *
diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c
index 3a7692745868..43e367055669 100644
--- a/arch/m32r/boot/compressed/misc.c
+++ b/arch/m32r/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/m32r/boot/compressed/misc.c
  *
diff --git a/arch/m32r/boot/compressed/vmlinux.lds.S b/arch/m32r/boot/compressed/vmlinux.lds.S
index dd11963f6939..c393eb559c4c 100644
--- a/arch/m32r/boot/compressed/vmlinux.lds.S
+++ b/arch/m32r/boot/compressed/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 OUTPUT_ARCH(m32r)
 ENTRY(startup)
diff --git a/arch/m32r/boot/setup.S b/arch/m32r/boot/setup.S
index ef843d63083d..5909a825e2ed 100644
--- a/arch/m32r/boot/setup.S
+++ b/arch/m32r/boot/setup.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/boot/setup.S -- A setup code.
  *
diff --git a/arch/m32r/include/asm/assembler.h b/arch/m32r/include/asm/assembler.h
index 728799fc70aa..ed90d894f285 100644
--- a/arch/m32r/include/asm/assembler.h
+++ b/arch/m32r/include/asm/assembler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_ASSEMBLER_H
 #define _ASM_M32R_ASSEMBLER_H
 
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
index 640cc1c7099f..8bf67e55ff54 100644
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_ATOMIC_H
 #define _ASM_M32R_ATOMIC_H
 
diff --git a/arch/m32r/include/asm/bitops.h b/arch/m32r/include/asm/bitops.h
index 86ba2b42a6cf..64e70e57c154 100644
--- a/arch/m32r/include/asm/bitops.h
+++ b/arch/m32r/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_BITOPS_H
 #define _ASM_M32R_BITOPS_H
 
diff --git a/arch/m32r/include/asm/bug.h b/arch/m32r/include/asm/bug.h
index 4cc0462c15b8..7197688254da 100644
--- a/arch/m32r/include/asm/bug.h
+++ b/arch/m32r/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M32R_BUG_H
 #define _M32R_BUG_H
 #include <asm-generic/bug.h>
diff --git a/arch/m32r/include/asm/bugs.h b/arch/m32r/include/asm/bugs.h
index f77214eff136..74a6d428aebe 100644
--- a/arch/m32r/include/asm/bugs.h
+++ b/arch/m32r/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_BUGS_H
 #define _ASM_M32R_BUGS_H
 
diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h
index 40b3ee98193d..47a766a258f8 100644
--- a/arch/m32r/include/asm/cache.h
+++ b/arch/m32r/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_CACHE_H
 #define _ASM_M32R_CACHE_H
 
diff --git a/arch/m32r/include/asm/cachectl.h b/arch/m32r/include/asm/cachectl.h
index 2aab8f6fff41..12f73f6c1759 100644
--- a/arch/m32r/include/asm/cachectl.h
+++ b/arch/m32r/include/asm/cachectl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cachectl.h -- defines for M32R cache control system calls
  *
diff --git a/arch/m32r/include/asm/cacheflush.h b/arch/m32r/include/asm/cacheflush.h
index 8e8e04516c39..5ad2a3045483 100644
--- a/arch/m32r/include/asm/cacheflush.h
+++ b/arch/m32r/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_CACHEFLUSH_H
 #define _ASM_M32R_CACHEFLUSH_H
 
diff --git a/arch/m32r/include/asm/cmpxchg.h b/arch/m32r/include/asm/cmpxchg.h
index 23c9d0537201..1ccdce5ff0ac 100644
--- a/arch/m32r/include/asm/cmpxchg.h
+++ b/arch/m32r/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_CMPXCHG_H
 #define _ASM_M32R_CMPXCHG_H
 
diff --git a/arch/m32r/include/asm/dma-mapping.h b/arch/m32r/include/asm/dma-mapping.h
index aff3ae8b62f7..4abfc07f4762 100644
--- a/arch/m32r/include/asm/dma-mapping.h
+++ b/arch/m32r/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_DMA_MAPPING_H
 #define _ASM_M32R_DMA_MAPPING_H
 
diff --git a/arch/m32r/include/asm/dma.h b/arch/m32r/include/asm/dma.h
index 52f6a22dd232..661bc3b343ed 100644
--- a/arch/m32r/include/asm/dma.h
+++ b/arch/m32r/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_DMA_H
 #define _ASM_M32R_DMA_H
 
diff --git a/arch/m32r/include/asm/elf.h b/arch/m32r/include/asm/elf.h
index 8acc9da9a15e..576b2ff57957 100644
--- a/arch/m32r/include/asm/elf.h
+++ b/arch/m32r/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R__ELF_H
 #define _ASM_M32R__ELF_H
 
diff --git a/arch/m32r/include/asm/emergency-restart.h b/arch/m32r/include/asm/emergency-restart.h
index 108d8c48e42e..cca44d5ae264 100644
--- a/arch/m32r/include/asm/emergency-restart.h
+++ b/arch/m32r/include/asm/emergency-restart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EMERGENCY_RESTART_H
 #define _ASM_EMERGENCY_RESTART_H
 
diff --git a/arch/m32r/include/asm/fb.h b/arch/m32r/include/asm/fb.h
index d92e99cd8c8a..9a0bca2686fd 100644
--- a/arch/m32r/include/asm/fb.h
+++ b/arch/m32r/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/m32r/include/asm/hardirq.h b/arch/m32r/include/asm/hardirq.h
index 5f2ac4f64ddf..10c23de02b3a 100644
--- a/arch/m32r/include/asm/hardirq.h
+++ b/arch/m32r/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __KERNEL__
 #ifndef __ASM_HARDIRQ_H
 #define __ASM_HARDIRQ_H
diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h
index 4b0f5e001d4d..1b653bb16f9a 100644
--- a/arch/m32r/include/asm/io.h
+++ b/arch/m32r/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_IO_H
 #define _ASM_M32R_IO_H
 
diff --git a/arch/m32r/include/asm/irq.h b/arch/m32r/include/asm/irq.h
index 242028b4d86a..85b475fff90e 100644
--- a/arch/m32r/include/asm/irq.h
+++ b/arch/m32r/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __KERNEL__
 #ifndef _ASM_M32R_IRQ_H
 #define _ASM_M32R_IRQ_H
diff --git a/arch/m32r/include/asm/kmap_types.h b/arch/m32r/include/asm/kmap_types.h
index 4cdb5e3a06bf..3dcba0d17d40 100644
--- a/arch/m32r/include/asm/kmap_types.h
+++ b/arch/m32r/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M32R_KMAP_TYPES_H
 #define __M32R_KMAP_TYPES_H
 
diff --git a/arch/m32r/include/asm/linkage.h b/arch/m32r/include/asm/linkage.h
index a9fb151cf648..f1aee6ec5bc3 100644
--- a/arch/m32r/include/asm/linkage.h
+++ b/arch/m32r/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/m32r/include/asm/local.h b/arch/m32r/include/asm/local.h
index 4045db3e4f65..6780680c185d 100644
--- a/arch/m32r/include/asm/local.h
+++ b/arch/m32r/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M32R_LOCAL_H
 #define __M32R_LOCAL_H
 
diff --git a/arch/m32r/include/asm/m32102.h b/arch/m32r/include/asm/m32102.h
index 52807f8db166..f0a986fece65 100644
--- a/arch/m32r/include/asm/m32102.h
+++ b/arch/m32r/include/asm/m32102.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M32102_H_
 #define _M32102_H_
 
diff --git a/arch/m32r/include/asm/m32r.h b/arch/m32r/include/asm/m32r.h
index 214b44b40757..d27f056d92f3 100644
--- a/arch/m32r/include/asm/m32r.h
+++ b/arch/m32r/include/asm/m32r.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_M32R_H_
 #define _ASM_M32R_M32R_H_
 
diff --git a/arch/m32r/include/asm/m32r_mp_fpga.h b/arch/m32r/include/asm/m32r_mp_fpga.h
index 976d2b995919..8eeaa9a420c5 100644
--- a/arch/m32r/include/asm/m32r_mp_fpga.h
+++ b/arch/m32r/include/asm/m32r_mp_fpga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_M32R_MP_FPGA_
 #define _ASM_M32R_M32R_MP_FPGA_
 
diff --git a/arch/m32r/include/asm/mc146818rtc.h b/arch/m32r/include/asm/mc146818rtc.h
index aa1b7bf84f51..4effa4704347 100644
--- a/arch/m32r/include/asm/mc146818rtc.h
+++ b/arch/m32r/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/m32r/include/asm/mmu.h b/arch/m32r/include/asm/mmu.h
index 150cb92bb666..34bcccd8007d 100644
--- a/arch/m32r/include/asm/mmu.h
+++ b/arch/m32r/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_MMU_H
 #define _ASM_M32R_MMU_H
 
diff --git a/arch/m32r/include/asm/mmu_context.h b/arch/m32r/include/asm/mmu_context.h
index 1230b7050d8e..8a499d0fb3a2 100644
--- a/arch/m32r/include/asm/mmu_context.h
+++ b/arch/m32r/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_MMU_CONTEXT_H
 #define _ASM_M32R_MMU_CONTEXT_H
 #ifdef __KERNEL__
diff --git a/arch/m32r/include/asm/mmzone.h b/arch/m32r/include/asm/mmzone.h
index 115ced33febd..568946c13ba6 100644
--- a/arch/m32r/include/asm/mmzone.h
+++ b/arch/m32r/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002
  *
diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h
index 725ede8f2889..fe4e38b394d3 100644
--- a/arch/m32r/include/asm/page.h
+++ b/arch/m32r/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_PAGE_H
 #define _ASM_M32R_PAGE_H
 
diff --git a/arch/m32r/include/asm/pci.h b/arch/m32r/include/asm/pci.h
index 07d3834c6dec..cbcb28b5f6ff 100644
--- a/arch/m32r/include/asm/pci.h
+++ b/arch/m32r/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_PCI_H
 #define _ASM_M32R_PCI_H
 
diff --git a/arch/m32r/include/asm/percpu.h b/arch/m32r/include/asm/percpu.h
index e3169301fe66..41e1680d1117 100644
--- a/arch/m32r/include/asm/percpu.h
+++ b/arch/m32r/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_M32R_PERCPU__
 #define __ARCH_M32R_PERCPU__
 
diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h
index 2d55a064ccac..eed2cad57d68 100644
--- a/arch/m32r/include/asm/pgalloc.h
+++ b/arch/m32r/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_PGALLOC_H
 #define _ASM_M32R_PGALLOC_H
 
diff --git a/arch/m32r/include/asm/pgtable-2level.h b/arch/m32r/include/asm/pgtable-2level.h
index 421e6ba3a173..d7ab1e94e3cb 100644
--- a/arch/m32r/include/asm/pgtable-2level.h
+++ b/arch/m32r/include/asm/pgtable-2level.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_PGTABLE_2LEVEL_H
 #define _ASM_M32R_PGTABLE_2LEVEL_H
 #ifdef __KERNEL__
diff --git a/arch/m32r/include/asm/pgtable.h b/arch/m32r/include/asm/pgtable.h
index 8c1fb902a9ce..eb7f9050c8d6 100644
--- a/arch/m32r/include/asm/pgtable.h
+++ b/arch/m32r/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_PGTABLE_H
 #define _ASM_M32R_PGTABLE_H
 
diff --git a/arch/m32r/include/asm/rtc.h b/arch/m32r/include/asm/rtc.h
index 0340633f3f4d..a94cf1edc60f 100644
--- a/arch/m32r/include/asm/rtc.h
+++ b/arch/m32r/include/asm/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RTC_H__
 #define __RTC_H__
 
diff --git a/arch/m32r/include/asm/s1d13806.h b/arch/m32r/include/asm/s1d13806.h
index 248d36a82d79..79e98a259ebe 100644
--- a/arch/m32r/include/asm/s1d13806.h
+++ b/arch/m32r/include/asm/s1d13806.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 //----------------------------------------------------------------------------
 //
 //  File generated by S1D13806CFG.EXE
diff --git a/arch/m32r/include/asm/segment.h b/arch/m32r/include/asm/segment.h
index 42b11aeb3249..4095f14728e5 100644
--- a/arch/m32r/include/asm/segment.h
+++ b/arch/m32r/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SEGMENT_H
 #define _ASM_M32R_SEGMENT_H
 
diff --git a/arch/m32r/include/asm/serial.h b/arch/m32r/include/asm/serial.h
index 5ac244c72f15..b1375c841b4d 100644
--- a/arch/m32r/include/asm/serial.h
+++ b/arch/m32r/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SERIAL_H
 #define _ASM_M32R_SERIAL_H
 
diff --git a/arch/m32r/include/asm/setup.h b/arch/m32r/include/asm/setup.h
index bbe59a9ce8c6..71b4d6514078 100644
--- a/arch/m32r/include/asm/setup.h
+++ b/arch/m32r/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SETUP_H
 #define _ASM_M32R_SETUP_H
 
diff --git a/arch/m32r/include/asm/shmparam.h b/arch/m32r/include/asm/shmparam.h
index 35986d81a528..1af73d92c96d 100644
--- a/arch/m32r/include/asm/shmparam.h
+++ b/arch/m32r/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SHMPARAM_H
 #define _ASM_M32R_SHMPARAM_H
 
diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h
index ed3ded6601e8..8bf57950d21e 100644
--- a/arch/m32r/include/asm/signal.h
+++ b/arch/m32r/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SIGNAL_H
 #define _ASM_M32R_SIGNAL_H
 
diff --git a/arch/m32r/include/asm/smp.h b/arch/m32r/include/asm/smp.h
index c689b828dfe2..763f22700ce6 100644
--- a/arch/m32r/include/asm/smp.h
+++ b/arch/m32r/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SMP_H
 #define _ASM_M32R_SMP_H
 
diff --git a/arch/m32r/include/asm/spinlock.h b/arch/m32r/include/asm/spinlock.h
index a56825592b90..604af84427ff 100644
--- a/arch/m32r/include/asm/spinlock.h
+++ b/arch/m32r/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SPINLOCK_H
 #define _ASM_M32R_SPINLOCK_H
 
diff --git a/arch/m32r/include/asm/spinlock_types.h b/arch/m32r/include/asm/spinlock_types.h
index 92e27672661f..bb0d17b64198 100644
--- a/arch/m32r/include/asm/spinlock_types.h
+++ b/arch/m32r/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SPINLOCK_TYPES_H
 #define _ASM_M32R_SPINLOCK_TYPES_H
 
diff --git a/arch/m32r/include/asm/string.h b/arch/m32r/include/asm/string.h
index e61e2b0bfc1f..a9ea3b6c3e5a 100644
--- a/arch/m32r/include/asm/string.h
+++ b/arch/m32r/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_STRING_H
 #define _ASM_M32R_STRING_H
 
diff --git a/arch/m32r/include/asm/syscall.h b/arch/m32r/include/asm/syscall.h
index 25f316f2b78d..22c8516d3c18 100644
--- a/arch/m32r/include/asm/syscall.h
+++ b/arch/m32r/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_SYSCALL_H
 #define _ASM_M32R_SYSCALL_H
 
diff --git a/arch/m32r/include/asm/termios.h b/arch/m32r/include/asm/termios.h
index 680898f0b3d6..40274b89cea5 100644
--- a/arch/m32r/include/asm/termios.h
+++ b/arch/m32r/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M32R_TERMIOS_H
 #define _M32R_TERMIOS_H
 
diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index f630d9c30b28..b3a215b0ce0a 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_THREAD_INFO_H
 #define _ASM_M32R_THREAD_INFO_H
 
diff --git a/arch/m32r/include/asm/timex.h b/arch/m32r/include/asm/timex.h
index bb9fe4feb12d..a4f9f852d9e6 100644
--- a/arch/m32r/include/asm/timex.h
+++ b/arch/m32r/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_TIMEX_H
 #define _ASM_M32R_TIMEX_H
 
diff --git a/arch/m32r/include/asm/tlb.h b/arch/m32r/include/asm/tlb.h
index c7ebd8d48f3b..3576f88b6ea4 100644
--- a/arch/m32r/include/asm/tlb.h
+++ b/arch/m32r/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M32R_TLB_H
 #define _M32R_TLB_H
 
diff --git a/arch/m32r/include/asm/tlbflush.h b/arch/m32r/include/asm/tlbflush.h
index 92614b0ccf17..f6c7237316d0 100644
--- a/arch/m32r/include/asm/tlbflush.h
+++ b/arch/m32r/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_TLBFLUSH_H
 #define _ASM_M32R_TLBFLUSH_H
 
diff --git a/arch/m32r/include/asm/topology.h b/arch/m32r/include/asm/topology.h
index d607eb32bd7e..ee79404e8878 100644
--- a/arch/m32r/include/asm/topology.h
+++ b/arch/m32r/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_TOPOLOGY_H
 #define _ASM_M32R_TOPOLOGY_H
 
diff --git a/arch/m32r/include/asm/types.h b/arch/m32r/include/asm/types.h
index 04a44c6ee34d..fce0bf60536c 100644
--- a/arch/m32r/include/asm/types.h
+++ b/arch/m32r/include/asm/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_TYPES_H
 #define _ASM_M32R_TYPES_H
 
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index 496c4716dbc8..9d89bc3d8181 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_UACCESS_H
 #define _ASM_M32R_UACCESS_H
 
diff --git a/arch/m32r/include/asm/ucontext.h b/arch/m32r/include/asm/ucontext.h
index 09324741eec3..5f9de3736624 100644
--- a/arch/m32r/include/asm/ucontext.h
+++ b/arch/m32r/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_UCONTEXT_H
 #define _ASM_M32R_UCONTEXT_H
 
diff --git a/arch/m32r/include/asm/unaligned.h b/arch/m32r/include/asm/unaligned.h
index 377eb20d1ec6..5981361672f9 100644
--- a/arch/m32r/include/asm/unaligned.h
+++ b/arch/m32r/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_UNALIGNED_H
 #define _ASM_M32R_UNALIGNED_H
 
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index de602533a3bd..dee4c196972e 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_UNISTD_H
 #define _ASM_M32R_UNISTD_H
 
diff --git a/arch/m32r/include/asm/user.h b/arch/m32r/include/asm/user.h
index 03b3c11c2aff..489b60d4aec2 100644
--- a/arch/m32r/include/asm/user.h
+++ b/arch/m32r/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_USER_H
 #define _ASM_M32R_USER_H
 
diff --git a/arch/m32r/include/asm/vga.h b/arch/m32r/include/asm/vga.h
index a1b63061c06f..783d5bf779c2 100644
--- a/arch/m32r/include/asm/vga.h
+++ b/arch/m32r/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_VGA_H
 #define _ASM_M32R_VGA_H
 
diff --git a/arch/m32r/include/asm/xor.h b/arch/m32r/include/asm/xor.h
index 6d525259df3e..a4d546752c77 100644
--- a/arch/m32r/include/asm/xor.h
+++ b/arch/m32r/include/asm/xor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M32R_XOR_H
 #define _ASM_M32R_XOR_H
 
diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile
index 0c09dad8b1f8..bd94dca51596 100644
--- a/arch/m32r/kernel/Makefile
+++ b/arch/m32r/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/M32R kernel.
 #
diff --git a/arch/m32r/kernel/align.c b/arch/m32r/kernel/align.c
index ec51e5b34860..2919a6647aff 100644
--- a/arch/m32r/kernel/align.c
+++ b/arch/m32r/kernel/align.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * align.c - address exception handler for M32R
  *
diff --git a/arch/m32r/kernel/asm-offsets.c b/arch/m32r/kernel/asm-offsets.c
index cd3d2fc9c8df..7cb90b459e07 100644
--- a/arch/m32r/kernel/asm-offsets.c
+++ b/arch/m32r/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/thread_info.h>
 #include <linux/kbuild.h>
 
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index c639bfa32232..bbf48f2aa2a7 100644
--- a/arch/m32r/kernel/entry.S
+++ b/arch/m32r/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/kernel/entry.S
  *
diff --git a/arch/m32r/kernel/head.S b/arch/m32r/kernel/head.S
index a46652dd83e6..1f040973df1c 100644
--- a/arch/m32r/kernel/head.S
+++ b/arch/m32r/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/kernel/head.S
  *
diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c
index 5537f7397297..83b5032f176c 100644
--- a/arch/m32r/kernel/irq.c
+++ b/arch/m32r/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m32r/kernel/irq.c
  *
diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c
index 68da6b800453..46ebe071e4d6 100644
--- a/arch/m32r/kernel/m32r_ksyms.c
+++ b/arch/m32r/kernel/m32r_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/smp.h>
 #include <linux/user.h>
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 8cd7e03f4370..a1a4cb136e99 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/kernel/process.c
  *
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 2d887400e30e..d702a5ca0f92 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m32r/kernel/ptrace.c
  *
diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c
index 1a9e977287e6..b72d5db39f00 100644
--- a/arch/m32r/kernel/setup.c
+++ b/arch/m32r/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/kernel/setup.c
  *
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 1ed597041fba..ba4d8d6330f1 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/kernel/signal.c
  *
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index f34957032504..22a50fc49ab7 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m32r/kernel/sys_m32r.c
  *
diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S
index f365c19795ef..cf0bcf014b98 100644
--- a/arch/m32r/kernel/syscall_table.S
+++ b/arch/m32r/kernel/syscall_table.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 ENTRY(sys_call_table)
 	.long sys_restart_syscall	/* 0  -  old "setup()" system call*/
 	.long sys_exit
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index 093f2761aa51..521749fbbb56 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/kernel/time.c
  *
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index 72b96f282689..cb79fba79d43 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/kernel/traps.c
  *
diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S
index ad1fe56455aa..7e4d957f7f7f 100644
--- a/arch/m32r/kernel/vmlinux.lds.S
+++ b/arch/m32r/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make M32R Linux kernel
  */
 
diff --git a/arch/m32r/lib/ashxdi3.S b/arch/m32r/lib/ashxdi3.S
index 7fc0c19801ba..cd1acca53911 100644
--- a/arch/m32r/lib/ashxdi3.S
+++ b/arch/m32r/lib/ashxdi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/arch/m32r/lib/ashxdi3.S
  *
diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c
index 940f4837e42b..ae1fe90892f9 100644
--- a/arch/m32r/lib/delay.c
+++ b/arch/m32r/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m32r/lib/delay.c
  *
diff --git a/arch/m32r/lib/libgcc.h b/arch/m32r/lib/libgcc.h
index 267aa435bc35..4854690d944a 100644
--- a/arch/m32r/lib/libgcc.h
+++ b/arch/m32r/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LIBGCC_H
 #define __ASM_LIBGCC_H
 
diff --git a/arch/m32r/lib/memcpy.S b/arch/m32r/lib/memcpy.S
index 05987cd639ef..249da3e3358d 100644
--- a/arch/m32r/lib/memcpy.S
+++ b/arch/m32r/lib/memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/lib/memcpy.S
  *
diff --git a/arch/m32r/lib/memset.S b/arch/m32r/lib/memset.S
index 2b2831a37927..e7f45e6c73f5 100644
--- a/arch/m32r/lib/memset.S
+++ b/arch/m32r/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/lib/memset.S
  *
diff --git a/arch/m32r/lib/strlen.S b/arch/m32r/lib/strlen.S
index 916de9e8f801..41c77e387593 100644
--- a/arch/m32r/lib/strlen.S
+++ b/arch/m32r/lib/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/strlen.S --  strlen code.
  *
diff --git a/arch/m32r/lib/ucmpdi2.c b/arch/m32r/lib/ucmpdi2.c
index 9d3c682c89b5..e20fa3484fd8 100644
--- a/arch/m32r/lib/ucmpdi2.c
+++ b/arch/m32r/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "libgcc.h"
 
 int __ucmpdi2(unsigned long long a, unsigned long long b)
diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
index b723b11107c7..0892a4341b3a 100644
--- a/arch/m32r/lib/usercopy.c
+++ b/arch/m32r/lib/usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User address space access functions.
  * The non inlined parts of asm-m32r/uaccess.h are here.
diff --git a/arch/m32r/mm/Makefile b/arch/m32r/mm/Makefile
index c51c1c3b4a5f..cb20d90c51d1 100644
--- a/arch/m32r/mm/Makefile
+++ b/arch/m32r/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux M32R-specific parts of the memory manager.
 #
diff --git a/arch/m32r/mm/cache.c b/arch/m32r/mm/cache.c
index fac759584875..0d1ae744e56f 100644
--- a/arch/m32r/mm/cache.c
+++ b/arch/m32r/mm/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/mm/cache.c
  *
diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c
index 27196303ce36..eb8e7966dcaf 100644
--- a/arch/m32r/mm/discontig.c
+++ b/arch/m32r/mm/discontig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/mm/discontig.c
  *
diff --git a/arch/m32r/mm/extable.c b/arch/m32r/mm/extable.c
index 8ac8ba6ef60c..066982756a4e 100644
--- a/arch/m32r/mm/extable.c
+++ b/arch/m32r/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m32r/mm/extable.c
  */
diff --git a/arch/m32r/mm/fault-nommu.c b/arch/m32r/mm/fault-nommu.c
index e22d5ddae5cb..240e00067d5e 100644
--- a/arch/m32r/mm/fault-nommu.c
+++ b/arch/m32r/mm/fault-nommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/mm/fault.c
  *
diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
index a05dc3184594..46d9a5ca0e3a 100644
--- a/arch/m32r/mm/fault.c
+++ b/arch/m32r/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/mm/fault.c
  *
diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c
index 11fa717d93b1..93abc8c3a46e 100644
--- a/arch/m32r/mm/init.c
+++ b/arch/m32r/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/mm/init.c
  *
diff --git a/arch/m32r/mm/mmu.S b/arch/m32r/mm/mmu.S
index e9491a5ae827..fd8f9c9b7b07 100644
--- a/arch/m32r/mm/mmu.S
+++ b/arch/m32r/mm/mmu.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/m32r/mm/mmu.S
  *
diff --git a/arch/m32r/oprofile/Makefile b/arch/m32r/oprofile/Makefile
index 06e7c81ead2e..8e63a3a5a64c 100644
--- a/arch/m32r/oprofile/Makefile
+++ b/arch/m32r/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/m32r/platforms/Makefile b/arch/m32r/platforms/Makefile
index da03e1a8fe91..9e1a82529ad9 100644
--- a/arch/m32r/platforms/Makefile
+++ b/arch/m32r/platforms/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # arch/m32r/platforms/Makefile
 obj-$(CONFIG_PLAT_M32104UT)	+= m32104ut/
 obj-$(CONFIG_PLAT_M32700UT)	+= m32700ut/
diff --git a/arch/m32r/platforms/m32104ut/io.c b/arch/m32r/platforms/m32104ut/io.c
index e5d8be6fbb2d..ff2bb3b58bb5 100644
--- a/arch/m32r/platforms/m32104ut/io.c
+++ b/arch/m32r/platforms/m32104ut/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/m32104ut/io.c
  *
diff --git a/arch/m32r/platforms/m32104ut/setup.c b/arch/m32r/platforms/m32104ut/setup.c
index e2dd778aeac7..297936003b1f 100644
--- a/arch/m32r/platforms/m32104ut/setup.c
+++ b/arch/m32r/platforms/m32104ut/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/m32104ut/setup.c
  *
diff --git a/arch/m32r/platforms/mappi/io.c b/arch/m32r/platforms/mappi/io.c
index ac1c396d477d..06ea6d9bc576 100644
--- a/arch/m32r/platforms/mappi/io.c
+++ b/arch/m32r/platforms/mappi/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi/io.c
  *
diff --git a/arch/m32r/platforms/mappi/setup.c b/arch/m32r/platforms/mappi/setup.c
index 767d2f4d6ded..c8d642ec4bfb 100644
--- a/arch/m32r/platforms/mappi/setup.c
+++ b/arch/m32r/platforms/mappi/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi/setup.c
  *
diff --git a/arch/m32r/platforms/mappi2/io.c b/arch/m32r/platforms/mappi2/io.c
index da58960b3f8a..18a408ff3fd1 100644
--- a/arch/m32r/platforms/mappi2/io.c
+++ b/arch/m32r/platforms/mappi2/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi2/io.c
  *
diff --git a/arch/m32r/platforms/mappi2/setup.c b/arch/m32r/platforms/mappi2/setup.c
index 76d665abf51e..7253258a7880 100644
--- a/arch/m32r/platforms/mappi2/setup.c
+++ b/arch/m32r/platforms/mappi2/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi2/setup.c
  *
diff --git a/arch/m32r/platforms/mappi3/io.c b/arch/m32r/platforms/mappi3/io.c
index 1bc3f90fdc53..e7edcab72a6b 100644
--- a/arch/m32r/platforms/mappi3/io.c
+++ b/arch/m32r/platforms/mappi3/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi3/io.c
  *
diff --git a/arch/m32r/platforms/mappi3/setup.c b/arch/m32r/platforms/mappi3/setup.c
index a3646d4b05bd..87d2000081f7 100644
--- a/arch/m32r/platforms/mappi3/setup.c
+++ b/arch/m32r/platforms/mappi3/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/mappi3/setup.c
  *
diff --git a/arch/m32r/platforms/oaks32r/io.c b/arch/m32r/platforms/oaks32r/io.c
index 364a3b2e8907..3ce1f3ac0d16 100644
--- a/arch/m32r/platforms/oaks32r/io.c
+++ b/arch/m32r/platforms/oaks32r/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/oaks32r/io.c
  *
diff --git a/arch/m32r/platforms/oaks32r/setup.c b/arch/m32r/platforms/oaks32r/setup.c
index f8373c069524..8188c0baa064 100644
--- a/arch/m32r/platforms/oaks32r/setup.c
+++ b/arch/m32r/platforms/oaks32r/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/oaks32r/setup.c
  *
diff --git a/arch/m32r/platforms/usrv/setup.c b/arch/m32r/platforms/usrv/setup.c
index dcde0ec777f6..ba828b16c6e3 100644
--- a/arch/m32r/platforms/usrv/setup.c
+++ b/arch/m32r/platforms/usrv/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m32r/platforms/usrv/setup.c
  *
diff --git a/arch/m68k/68000/Makefile b/arch/m68k/68000/Makefile
index 1eab70c7194b..4f7d4b45a46f 100644
--- a/arch/m68k/68000/Makefile
+++ b/arch/m68k/68000/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ##################################################
 #
 # Makefile for 68000 core based cpus
diff --git a/arch/m68k/68000/bootlogo-vz.h b/arch/m68k/68000/bootlogo-vz.h
index 6ff09beba1ba..1afa33955368 100644
--- a/arch/m68k/68000/bootlogo-vz.h
+++ b/arch/m68k/68000/bootlogo-vz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/compiler.h>
 
 #define splash_width 640
diff --git a/arch/m68k/68000/bootlogo.h b/arch/m68k/68000/bootlogo.h
index c466db3ca3a8..b4d7e6c26cad 100644
--- a/arch/m68k/68000/bootlogo.h
+++ b/arch/m68k/68000/bootlogo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/compiler.h>
 
 #define bootlogo_width 160
diff --git a/arch/m68k/68000/head.S b/arch/m68k/68000/head.S
index 536ef9616dad..140220662e33 100644
--- a/arch/m68k/68000/head.S
+++ b/arch/m68k/68000/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * head.S - Common startup code for 68000 core based CPU's
  *
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 353d90487c2b..785612b576f7 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config M68K
 	bool
 	default y
diff --git a/arch/m68k/Kconfig.bus b/arch/m68k/Kconfig.bus
index 675b087198f6..d5e66ec136db 100644
--- a/arch/m68k/Kconfig.bus
+++ b/arch/m68k/Kconfig.bus
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MMU
 
 comment "Bus Support"
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index d2219f30b78f..ff5f0896318b 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 comment "Processor Type"
 
 choice
diff --git a/arch/m68k/Kconfig.debug b/arch/m68k/Kconfig.debug
index 50a67d08aec4..04690b179a6e 100644
--- a/arch/m68k/Kconfig.debug
+++ b/arch/m68k/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index 42b6fcfc30ef..3e9b0b826f8a 100644
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MMU
 
 config ARCH_MAY_HAVE_PC_FDC
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index 9225b4ad9aeb..5cd57b4d3615 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 comment "Machine Types"
 
 if M68KCLASSIC
diff --git a/arch/m68k/amiga/chipram.c b/arch/m68k/amiga/chipram.c
index ba03cec3f711..a537953bc10c 100644
--- a/arch/m68k/amiga/chipram.c
+++ b/arch/m68k/amiga/chipram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
 **  linux/amiga/chipram.c
 **
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
index 432bc8bacfc2..0d27706f14d4 100644
--- a/arch/m68k/apollo/config.c
+++ b/arch/m68k/apollo/config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index 17be1e7e2df2..02cff7efc834 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 
diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index e4f1faffe32b..b43eeef0982c 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Real Time Clock interface for Linux on the BVME6000
  *
diff --git a/arch/m68k/coldfire/Makefile b/arch/m68k/coldfire/Makefile
index 4aa2c57afc35..f8cef9681416 100644
--- a/arch/m68k/coldfire/Makefile
+++ b/arch/m68k/coldfire/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the m68knommu kernel.
 #
diff --git a/arch/m68k/coldfire/cache.c b/arch/m68k/coldfire/cache.c
index 71beeaf0c5c4..98ee89b87439 100644
--- a/arch/m68k/coldfire/cache.c
+++ b/arch/m68k/coldfire/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c
index 856069a3196d..849cd208e2ed 100644
--- a/arch/m68k/coldfire/clk.c
+++ b/arch/m68k/coldfire/clk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/dma.c b/arch/m68k/coldfire/dma.c
index df5ce20d181c..c3279f7467d7 100644
--- a/arch/m68k/coldfire/dma.c
+++ b/arch/m68k/coldfire/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/dma_timer.c b/arch/m68k/coldfire/dma_timer.c
index 8273eea57874..cbb289439606 100644
--- a/arch/m68k/coldfire/dma_timer.c
+++ b/arch/m68k/coldfire/dma_timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dma_timer.c -- Freescale ColdFire DMA Timer.
  *
diff --git a/arch/m68k/coldfire/firebee.c b/arch/m68k/coldfire/firebee.c
index 46d50534f981..3b9d4fc6f12e 100644
--- a/arch/m68k/coldfire/firebee.c
+++ b/arch/m68k/coldfire/firebee.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/head.S b/arch/m68k/coldfire/head.S
index bdb472c48401..c6d7fd28c602 100644
--- a/arch/m68k/coldfire/head.S
+++ b/arch/m68k/coldfire/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*****************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5206.c b/arch/m68k/coldfire/m5206.c
index a3bcf0883f98..2f14ea95c391 100644
--- a/arch/m68k/coldfire/m5206.c
+++ b/arch/m68k/coldfire/m5206.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m520x.c b/arch/m68k/coldfire/m520x.c
index 5ba69217ce6c..b5b2a267dada 100644
--- a/arch/m68k/coldfire/m520x.c
+++ b/arch/m68k/coldfire/m520x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m523x.c b/arch/m68k/coldfire/m523x.c
index f7a0fcc5618c..ddf2496ed117 100644
--- a/arch/m68k/coldfire/m523x.c
+++ b/arch/m68k/coldfire/m523x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5249.c b/arch/m68k/coldfire/m5249.c
index b16cf9b4580c..0590f8c421f1 100644
--- a/arch/m68k/coldfire/m5249.c
+++ b/arch/m68k/coldfire/m5249.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m525x.c b/arch/m68k/coldfire/m525x.c
index 110e2cd34e62..1772359c416c 100644
--- a/arch/m68k/coldfire/m525x.c
+++ b/arch/m68k/coldfire/m525x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5272.c b/arch/m68k/coldfire/m5272.c
index 9abb1a441da0..ad1185c68df7 100644
--- a/arch/m68k/coldfire/m5272.c
+++ b/arch/m68k/coldfire/m5272.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m527x.c b/arch/m68k/coldfire/m527x.c
index b10b436b5a31..cad462df6861 100644
--- a/arch/m68k/coldfire/m527x.c
+++ b/arch/m68k/coldfire/m527x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m528x.c b/arch/m68k/coldfire/m528x.c
index ea76998d5ab9..7ad3193887e8 100644
--- a/arch/m68k/coldfire/m528x.c
+++ b/arch/m68k/coldfire/m528x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5307.c b/arch/m68k/coldfire/m5307.c
index cc5e8a50a423..64b4b1fd34ff 100644
--- a/arch/m68k/coldfire/m5307.c
+++ b/arch/m68k/coldfire/m5307.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5407.c b/arch/m68k/coldfire/m5407.c
index 38863ddbeab0..0400d76115a1 100644
--- a/arch/m68k/coldfire/m5407.c
+++ b/arch/m68k/coldfire/m5407.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c
index 04fd7fde9fb3..315d14b0dca0 100644
--- a/arch/m68k/coldfire/m5441x.c
+++ b/arch/m68k/coldfire/m5441x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	m5441x.c -- support for Coldfire m5441x processors
  *
diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index c552851ec617..e53ffed13ba8 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/nettel.c b/arch/m68k/coldfire/nettel.c
index ddc48ec1b800..ea8df6e7a6cc 100644
--- a/arch/m68k/coldfire/nettel.c
+++ b/arch/m68k/coldfire/nettel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/pit.c b/arch/m68k/coldfire/pit.c
index 6c0878018b44..eb6f16b0e2e6 100644
--- a/arch/m68k/coldfire/pit.c
+++ b/arch/m68k/coldfire/pit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/sltimers.c b/arch/m68k/coldfire/sltimers.c
index 3292c0d68b18..1b11e7bacab3 100644
--- a/arch/m68k/coldfire/sltimers.c
+++ b/arch/m68k/coldfire/sltimers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/timers.c b/arch/m68k/coldfire/timers.c
index 2dc7a58204f6..227aa5d13709 100644
--- a/arch/m68k/coldfire/timers.c
+++ b/arch/m68k/coldfire/timers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/coldfire/vectors.c b/arch/m68k/coldfire/vectors.c
index 08923fe600e0..3bf0d69eec9e 100644
--- a/arch/m68k/coldfire/vectors.c
+++ b/arch/m68k/coldfire/vectors.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /***************************************************************************/
 
 /*
diff --git a/arch/m68k/fpsp040/Makefile b/arch/m68k/fpsp040/Makefile
index 9506d883ace5..aab04d372ae7 100644
--- a/arch/m68k/fpsp040/Makefile
+++ b/arch/m68k/fpsp040/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Linux arch/m68k/fpsp040 source directory
 #
diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
index 7cfab158fb61..a19bcd23f80b 100644
--- a/arch/m68k/hp300/config.c
+++ b/arch/m68k/hp300/config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/hp300/config.c
  *
diff --git a/arch/m68k/hp300/time.c b/arch/m68k/hp300/time.c
index 749543b425a4..289d928a46cb 100644
--- a/arch/m68k/hp300/time.c
+++ b/arch/m68k/hp300/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/hp300/time.c
  *
diff --git a/arch/m68k/include/asm/MC68328.h b/arch/m68k/include/asm/MC68328.h
index b61230e74e63..6e14e92260fd 100644
--- a/arch/m68k/include/asm/MC68328.h
+++ b/arch/m68k/include/asm/MC68328.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* include/asm-m68knommu/MC68328.h: '328 control registers
  *
diff --git a/arch/m68k/include/asm/MC68EZ328.h b/arch/m68k/include/asm/MC68EZ328.h
index 703331ece328..c50b9f6a8f66 100644
--- a/arch/m68k/include/asm/MC68EZ328.h
+++ b/arch/m68k/include/asm/MC68EZ328.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* include/asm-m68knommu/MC68EZ328.h: 'EZ328 control registers
  *
diff --git a/arch/m68k/include/asm/MC68VZ328.h b/arch/m68k/include/asm/MC68VZ328.h
index fbaed7ddfb41..dc894cfcff68 100644
--- a/arch/m68k/include/asm/MC68VZ328.h
+++ b/arch/m68k/include/asm/MC68VZ328.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* include/asm-m68knommu/MC68VZ328.h: 'VZ328 control registers
  *
diff --git a/arch/m68k/include/asm/adb_iop.h b/arch/m68k/include/asm/adb_iop.h
index 8a48e56f2d62..195d7fb1268c 100644
--- a/arch/m68k/include/asm/adb_iop.h
+++ b/arch/m68k/include/asm/adb_iop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ADB through the IOP
  * Written by Joshua M. Thompson
diff --git a/arch/m68k/include/asm/apollohw.h b/arch/m68k/include/asm/apollohw.h
index 87fc899d32ee..52066f3b8658 100644
--- a/arch/m68k/include/asm/apollohw.h
+++ b/arch/m68k/include/asm/apollohw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* apollohw.h : some structures to access apollo HW */
 
 #ifndef _ASMm68k_APOLLOHW_H_
diff --git a/arch/m68k/include/asm/atafd.h b/arch/m68k/include/asm/atafd.h
index 8456889ee7da..ad7014cad633 100644
--- a/arch/m68k/include/asm/atafd.h
+++ b/arch/m68k/include/asm/atafd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_FD_H
 #define _ASM_M68K_FD_H
 
diff --git a/arch/m68k/include/asm/atafdreg.h b/arch/m68k/include/asm/atafdreg.h
index bbf80949fd9f..c31b4919ed2d 100644
--- a/arch/m68k/include/asm/atafdreg.h
+++ b/arch/m68k/include/asm/atafdreg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FDREG_H
 #define _LINUX_FDREG_H
 
diff --git a/arch/m68k/include/asm/atari_joystick.h b/arch/m68k/include/asm/atari_joystick.h
index 93be7da9f2c7..c4a6a06e68c8 100644
--- a/arch/m68k/include/asm/atari_joystick.h
+++ b/arch/m68k/include/asm/atari_joystick.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ATARI_JOYSTICK_H
 #define _LINUX_ATARI_JOYSTICK_H
 
diff --git a/arch/m68k/include/asm/atari_stdma.h b/arch/m68k/include/asm/atari_stdma.h
index d24e34d870dc..70de9b12470a 100644
--- a/arch/m68k/include/asm/atari_stdma.h
+++ b/arch/m68k/include/asm/atari_stdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _atari_stdma_h
 #define _atari_stdma_h
diff --git a/arch/m68k/include/asm/atari_stram.h b/arch/m68k/include/asm/atari_stram.h
index 4e771c22d6a9..1fc19102aac9 100644
--- a/arch/m68k/include/asm/atari_stram.h
+++ b/arch/m68k/include/asm/atari_stram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_ATARI_STRAM_H
 #define _M68K_ATARI_STRAM_H
 
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index cf4c3a7b1a45..e993e2860ee1 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_M68K_ATOMIC__
 #define __ARCH_M68K_ATOMIC__
 
diff --git a/arch/m68k/include/asm/bootstd.h b/arch/m68k/include/asm/bootstd.h
index e518f5a575b7..1dab93ddb090 100644
--- a/arch/m68k/include/asm/bootstd.h
+++ b/arch/m68k/include/asm/bootstd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* bootstd.h:  Bootloader system call interface
  *
  * (c) 1999, Rt-Control, Inc.
diff --git a/arch/m68k/include/asm/bug.h b/arch/m68k/include/asm/bug.h
index 5bc8d91d68d4..b7e2bf1ba4a6 100644
--- a/arch/m68k/include/asm/bug.h
+++ b/arch/m68k/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_BUG_H
 #define _M68K_BUG_H
 
diff --git a/arch/m68k/include/asm/bugs.h b/arch/m68k/include/asm/bugs.h
index d06207b9ba5a..745530651e0b 100644
--- a/arch/m68k/include/asm/bugs.h
+++ b/arch/m68k/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/asm-m68k/bugs.h
  *
diff --git a/arch/m68k/include/asm/bvme6000hw.h b/arch/m68k/include/asm/bvme6000hw.h
index f40d2f8510ee..7b1309bb2c07 100644
--- a/arch/m68k/include/asm/bvme6000hw.h
+++ b/arch/m68k/include/asm/bvme6000hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_BVME6000HW_H_
 #define _M68K_BVME6000HW_H_
 
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
index 0395c51e46a6..9c06458f3bc9 100644
--- a/arch/m68k/include/asm/cache.h
+++ b/arch/m68k/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-m68k/cache.h
  */
diff --git a/arch/m68k/include/asm/cacheflush.h b/arch/m68k/include/asm/cacheflush.h
index 4fc738209bd1..29b8e638b912 100644
--- a/arch/m68k/include/asm/cacheflush.h
+++ b/arch/m68k/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __uClinux__
 #include <asm/cacheflush_no.h>
 #else
diff --git a/arch/m68k/include/asm/cacheflush_mm.h b/arch/m68k/include/asm/cacheflush_mm.h
index fa2c3d681d84..1e2544ecaf88 100644
--- a/arch/m68k/include/asm/cacheflush_mm.h
+++ b/arch/m68k/include/asm/cacheflush_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_CACHEFLUSH_H
 #define _M68K_CACHEFLUSH_H
 
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index d2b3935ae147..11e9a9dcbfb2 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68KNOMMU_CACHEFLUSH_H
 #define _M68KNOMMU_CACHEFLUSH_H
 
diff --git a/arch/m68k/include/asm/checksum.h b/arch/m68k/include/asm/checksum.h
index 75e91f03b178..f9b94e4b94f9 100644
--- a/arch/m68k/include/asm/checksum.h
+++ b/arch/m68k/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_CHECKSUM_H
 #define _M68K_CHECKSUM_H
 
diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h
index 83b1df80f0ac..38e1d7acc44d 100644
--- a/arch/m68k/include/asm/cmpxchg.h
+++ b/arch/m68k/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_M68K_CMPXCHG__
 #define __ARCH_M68K_CMPXCHG__
 
diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h
index 50aa4dac9ca2..d9cb26fb3e65 100644
--- a/arch/m68k/include/asm/coldfire.h
+++ b/arch/m68k/include/asm/coldfire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/contregs.h b/arch/m68k/include/asm/contregs.h
index d1ea750bddfe..f82ca0ab38bc 100644
--- a/arch/m68k/include/asm/contregs.h
+++ b/arch/m68k/include/asm/contregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_CONTREGS_H
 #define _M68K_CONTREGS_H
 
diff --git a/arch/m68k/include/asm/current.h b/arch/m68k/include/asm/current.h
index 91fcc5358cfe..6390ef2f7f86 100644
--- a/arch/m68k/include/asm/current.h
+++ b/arch/m68k/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_CURRENT_H
 #define _M68K_CURRENT_H
 
diff --git a/arch/m68k/include/asm/delay.h b/arch/m68k/include/asm/delay.h
index c598d847d56b..7f474121e4ca 100644
--- a/arch/m68k/include/asm/delay.h
+++ b/arch/m68k/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_DELAY_H
 #define _M68K_DELAY_H
 
diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h
index ef881cfbbca9..365f39f5e256 100644
--- a/arch/m68k/include/asm/div64.h
+++ b/arch/m68k/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_DIV64_H
 #define _M68K_DIV64_H
 
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
index 9210e470771b..3e1a3ffba291 100644
--- a/arch/m68k/include/asm/dma-mapping.h
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_DMA_MAPPING_H
 #define _M68K_DMA_MAPPING_H
 
diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h
index 208b4daa14b3..b0978a23bad1 100644
--- a/arch/m68k/include/asm/dma.h
+++ b/arch/m68k/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_DMA_H
 #define _M68K_DMA_H 1
 
diff --git a/arch/m68k/include/asm/dvma.h b/arch/m68k/include/asm/dvma.h
index 890bbf7e7758..f609ec1de36d 100644
--- a/arch/m68k/include/asm/dvma.h
+++ b/arch/m68k/include/asm/dvma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-m68k/dma.h
  *
diff --git a/arch/m68k/include/asm/elf.h b/arch/m68k/include/asm/elf.h
index b1c26de438be..3d387ceaea3f 100644
--- a/arch/m68k/include/asm/elf.h
+++ b/arch/m68k/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMm68k_ELF_H
 #define __ASMm68k_ELF_H
 
diff --git a/arch/m68k/include/asm/entry.h b/arch/m68k/include/asm/entry.h
index d7de0f1a8957..9b52b060c76a 100644
--- a/arch/m68k/include/asm/entry.h
+++ b/arch/m68k/include/asm/entry.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68K_ENTRY_H
 #define __M68K_ENTRY_H
 
diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h
index be4e4c6797e8..b86c6e2e26dd 100644
--- a/arch/m68k/include/asm/fb.h
+++ b/arch/m68k/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/m68k/include/asm/fbio.h b/arch/m68k/include/asm/fbio.h
index 0a21da87f7d6..590b923c470d 100644
--- a/arch/m68k/include/asm/fbio.h
+++ b/arch/m68k/include/asm/fbio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_FBIO_H
 #define __LINUX_FBIO_H
 
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index b2a41f5b3890..4f1d1e373420 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * flat.h -- uClinux flat-format executables
  */
diff --git a/arch/m68k/include/asm/fpu.h b/arch/m68k/include/asm/fpu.h
index 526db9da9e43..ab12be88d75f 100644
--- a/arch/m68k/include/asm/fpu.h
+++ b/arch/m68k/include/asm/fpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68K_FPU_H
 #define __M68K_FPU_H
 
diff --git a/arch/m68k/include/asm/hardirq.h b/arch/m68k/include/asm/hardirq.h
index 6c618529d9b9..11793165445d 100644
--- a/arch/m68k/include/asm/hardirq.h
+++ b/arch/m68k/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68K_HARDIRQ_H
 #define __M68K_HARDIRQ_H
 
diff --git a/arch/m68k/include/asm/hash.h b/arch/m68k/include/asm/hash.h
index 6407af84a994..6d0d0c893f16 100644
--- a/arch/m68k/include/asm/hash.h
+++ b/arch/m68k/include/asm/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HASH_H
 #define _ASM_HASH_H
 
diff --git a/arch/m68k/include/asm/hp300hw.h b/arch/m68k/include/asm/hp300hw.h
index 64f5271dd7be..0909800beef4 100644
--- a/arch/m68k/include/asm/hp300hw.h
+++ b/arch/m68k/include/asm/hp300hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_HP300HW_H
 #define _M68K_HP300HW_H
 
diff --git a/arch/m68k/include/asm/hwtest.h b/arch/m68k/include/asm/hwtest.h
index 402c8a4401fe..f8d646205ba3 100644
--- a/arch/m68k/include/asm/hwtest.h
+++ b/arch/m68k/include/asm/hwtest.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Routines to test for presence/absence of hardware registers:
  * see arch/m68k/mm/hwtest.c.
  *  -- PMM <pmaydell@chiark.greenend.org.uk> 05/1998
diff --git a/arch/m68k/include/asm/ide.h b/arch/m68k/include/asm/ide.h
index 492fee8a1ab2..05cc7dc00e0c 100644
--- a/arch/m68k/include/asm/ide.h
+++ b/arch/m68k/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1994-1996  Linus Torvalds & authors
  */
diff --git a/arch/m68k/include/asm/idprom.h b/arch/m68k/include/asm/idprom.h
index 160616a89e05..13b099d011b5 100644
--- a/arch/m68k/include/asm/idprom.h
+++ b/arch/m68k/include/asm/idprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_IDPROM_H
 #define _M68K_IDPROM_H
 /*
diff --git a/arch/m68k/include/asm/intersil.h b/arch/m68k/include/asm/intersil.h
index f482902cac8a..b696348f9ab8 100644
--- a/arch/m68k/include/asm/intersil.h
+++ b/arch/m68k/include/asm/intersil.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SUN3_INTERSIL_H
 #define _SUN3_INTERSIL_H
 /* bits 0 and 1 */
diff --git a/arch/m68k/include/asm/io.h b/arch/m68k/include/asm/io.h
index bccd5a914eb6..756089cc019c 100644
--- a/arch/m68k/include/asm/io.h
+++ b/arch/m68k/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __uClinux__
 #include <asm/io_no.h>
 #else
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index c98ac81582ac..ed5333e87879 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-m68k/io.h
  *
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index ad7bd40e6742..86f45b403bcc 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68KNOMMU_IO_H
 #define _M68KNOMMU_IO_H
 
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index a644f4a53b94..91dd493791d7 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_IRQ_H_
 #define _M68K_IRQ_H_
 
diff --git a/arch/m68k/include/asm/irqflags.h b/arch/m68k/include/asm/irqflags.h
index b5941818346f..3799a2481095 100644
--- a/arch/m68k/include/asm/irqflags.h
+++ b/arch/m68k/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_IRQFLAGS_H
 #define _M68K_IRQFLAGS_H
 
diff --git a/arch/m68k/include/asm/kexec.h b/arch/m68k/include/asm/kexec.h
index 3df97abac147..f5a8b2defa4b 100644
--- a/arch/m68k/include/asm/kexec.h
+++ b/arch/m68k/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_KEXEC_H
 #define _ASM_M68K_KEXEC_H
 
diff --git a/arch/m68k/include/asm/linkage.h b/arch/m68k/include/asm/linkage.h
index 066e74f666ae..c8b84282764c 100644
--- a/arch/m68k/include/asm/linkage.h
+++ b/arch/m68k/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/m68k/include/asm/m5206sim.h b/arch/m68k/include/asm/m5206sim.h
index 0ddf3efbcae9..ceb42670aee5 100644
--- a/arch/m68k/include/asm/m5206sim.h
+++ b/arch/m68k/include/asm/m5206sim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
index 6d50cefa76c3..8b3da5624a73 100644
--- a/arch/m68k/include/asm/m520xsim.h
+++ b/arch/m68k/include/asm/m520xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index d43f6ab1edc9..a3082411abee 100644
--- a/arch/m68k/include/asm/m523xsim.h
+++ b/arch/m68k/include/asm/m523xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m525xsim.h b/arch/m68k/include/asm/m525xsim.h
index 699f20c8a0fe..de01b701d95f 100644
--- a/arch/m68k/include/asm/m525xsim.h
+++ b/arch/m68k/include/asm/m525xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m5272sim.h b/arch/m68k/include/asm/m5272sim.h
index 1fb01bb05d6c..135dd50f0f8f 100644
--- a/arch/m68k/include/asm/m5272sim.h
+++ b/arch/m68k/include/asm/m5272sim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h
index 35f6fbc89b92..d92814bf9915 100644
--- a/arch/m68k/include/asm/m527xsim.h
+++ b/arch/m68k/include/asm/m527xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index 67f6182d10a4..7b60a57e9b70 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m52xxacr.h b/arch/m68k/include/asm/m52xxacr.h
index abc391a9ae8d..2cb29ed5266c 100644
--- a/arch/m68k/include/asm/m52xxacr.h
+++ b/arch/m68k/include/asm/m52xxacr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m5307sim.h b/arch/m68k/include/asm/m5307sim.h
index d2595e04eb1d..25059f20524b 100644
--- a/arch/m68k/include/asm/m5307sim.h
+++ b/arch/m68k/include/asm/m5307sim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m53xxacr.h b/arch/m68k/include/asm/m53xxacr.h
index 3177ce8331d6..9138a624c5c8 100644
--- a/arch/m68k/include/asm/m53xxacr.h
+++ b/arch/m68k/include/asm/m53xxacr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m53xxsim.h b/arch/m68k/include/asm/m53xxsim.h
index 53329ae4d3e3..22c1c92b9811 100644
--- a/arch/m68k/include/asm/m53xxsim.h
+++ b/arch/m68k/include/asm/m53xxsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m5407sim.h b/arch/m68k/include/asm/m5407sim.h
index ab40c16ba989..0c2720d8ede9 100644
--- a/arch/m68k/include/asm/m5407sim.h
+++ b/arch/m68k/include/asm/m5407sim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h
index 64f60be47066..4e9095b9480a 100644
--- a/arch/m68k/include/asm/m5441xsim.h
+++ b/arch/m68k/include/asm/m5441xsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	m5441xsim.h -- Coldfire 5441x register definitions
  *
diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h
index c6ac05cda282..466df7b03c6b 100644
--- a/arch/m68k/include/asm/m54xxacr.h
+++ b/arch/m68k/include/asm/m54xxacr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Bit definitions for the MCF54xx ACR and CACR registers.
  */
diff --git a/arch/m68k/include/asm/m54xxgpt.h b/arch/m68k/include/asm/m54xxgpt.h
index 0b69cd1ed0ed..b1f912157be9 100644
--- a/arch/m68k/include/asm/m54xxgpt.h
+++ b/arch/m68k/include/asm/m54xxgpt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	m54xxgpt.h
  * Purpose:	Register and bit definitions for the MCF54XX
diff --git a/arch/m68k/include/asm/m54xxsim.h b/arch/m68k/include/asm/m54xxsim.h
index 7758d0a1a84d..2a3305f6fac6 100644
--- a/arch/m68k/include/asm/m54xxsim.h
+++ b/arch/m68k/include/asm/m54xxsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	m54xxsim.h -- ColdFire 547x/548x System Integration Unit support.
  */
diff --git a/arch/m68k/include/asm/mac_asc.h b/arch/m68k/include/asm/mac_asc.h
index fc2e5467b41e..075990251345 100644
--- a/arch/m68k/include/asm/mac_asc.h
+++ b/arch/m68k/include/asm/mac_asc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Apple Sound Chip
  */
diff --git a/arch/m68k/include/asm/mac_baboon.h b/arch/m68k/include/asm/mac_baboon.h
index a2d32f6589f9..08d9b8829a1a 100644
--- a/arch/m68k/include/asm/mac_baboon.h
+++ b/arch/m68k/include/asm/mac_baboon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for the "Baboon" custom IC on the PowerBook 190.
  */
diff --git a/arch/m68k/include/asm/mac_iop.h b/arch/m68k/include/asm/mac_iop.h
index 42566fd052bc..73dae2abeba3 100644
--- a/arch/m68k/include/asm/mac_iop.h
+++ b/arch/m68k/include/asm/mac_iop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * I/O Processor (IOP) defines and structures, mostly snagged from A/UX
  * header files.
diff --git a/arch/m68k/include/asm/mac_oss.h b/arch/m68k/include/asm/mac_oss.h
index 425fbff4f4d8..56ef986c0a9b 100644
--- a/arch/m68k/include/asm/mac_oss.h
+++ b/arch/m68k/include/asm/mac_oss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	OSS
  *
diff --git a/arch/m68k/include/asm/mac_psc.h b/arch/m68k/include/asm/mac_psc.h
index 923305117a69..86a5a5eab89e 100644
--- a/arch/m68k/include/asm/mac_psc.h
+++ b/arch/m68k/include/asm/mac_psc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Apple Peripheral System Controller (PSC)
  *
diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h
index 53c632c85b03..de1470c4d829 100644
--- a/arch/m68k/include/asm/mac_via.h
+++ b/arch/m68k/include/asm/mac_via.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	6522 Versatile Interface Adapter (VIA)
  *
diff --git a/arch/m68k/include/asm/machdep.h b/arch/m68k/include/asm/machdep.h
index 953ca21da8ee..1605da48ebf2 100644
--- a/arch/m68k/include/asm/machdep.h
+++ b/arch/m68k/include/asm/machdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_MACHDEP_H
 #define _M68K_MACHDEP_H
 
diff --git a/arch/m68k/include/asm/machines.h b/arch/m68k/include/asm/machines.h
index be667e84f01b..1332bad001fa 100644
--- a/arch/m68k/include/asm/machines.h
+++ b/arch/m68k/include/asm/machines.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * machines.h:  Defines for taking apart the machine type value in the
  *              idprom and determining the kind of machine we are on.
diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h
index 5b81ab188aa5..f42c27400dbc 100644
--- a/arch/m68k/include/asm/macintosh.h
+++ b/arch/m68k/include/asm/macintosh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACINTOSH_H
 #define __ASM_MACINTOSH_H
 
diff --git a/arch/m68k/include/asm/math-emu.h b/arch/m68k/include/asm/math-emu.h
index b062696d5a0d..eefaa3a2b596 100644
--- a/arch/m68k/include/asm/math-emu.h
+++ b/arch/m68k/include/asm/math-emu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_SETUP_H
 #define _ASM_M68K_SETUP_H
 
diff --git a/arch/m68k/include/asm/mc146818rtc.h b/arch/m68k/include/asm/mc146818rtc.h
index 05b43bf5cdf3..6e9f319ce478 100644
--- a/arch/m68k/include/asm/mc146818rtc.h
+++ b/arch/m68k/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/m68k/include/asm/mcf8390.h b/arch/m68k/include/asm/mcf8390.h
index a72a20819a54..412360ef1dc1 100644
--- a/arch/m68k/include/asm/mcf8390.h
+++ b/arch/m68k/include/asm/mcf8390.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index fb95aed5f428..8b707c249026 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef M68K_MCF_PGALLOC_H
 #define M68K_MCF_PGALLOC_H
 
diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h
index 2500ce04fcc4..5d5502cb2b2d 100644
--- a/arch/m68k/include/asm/mcf_pgtable.h
+++ b/arch/m68k/include/asm/mcf_pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MCF_PGTABLE_H
 #define _MCF_PGTABLE_H
 
diff --git a/arch/m68k/include/asm/mcfclk.h b/arch/m68k/include/asm/mcfclk.h
index ea4791e3a557..0aca504fae31 100644
--- a/arch/m68k/include/asm/mcfclk.h
+++ b/arch/m68k/include/asm/mcfclk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mcfclk.h -- coldfire specific clock structure
  */
diff --git a/arch/m68k/include/asm/mcfdma.h b/arch/m68k/include/asm/mcfdma.h
index 10bc7e391c14..6227317dd0f7 100644
--- a/arch/m68k/include/asm/mcfdma.h
+++ b/arch/m68k/include/asm/mcfdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfintc.h b/arch/m68k/include/asm/mcfintc.h
index 4183320a3813..8bcfa33efa0f 100644
--- a/arch/m68k/include/asm/mcfintc.h
+++ b/arch/m68k/include/asm/mcfintc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfpit.h b/arch/m68k/include/asm/mcfpit.h
index 9fd321ca0725..20c81e07df1b 100644
--- a/arch/m68k/include/asm/mcfpit.h
+++ b/arch/m68k/include/asm/mcfpit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h
index bc867de8a1e9..bef089510e55 100644
--- a/arch/m68k/include/asm/mcfsim.h
+++ b/arch/m68k/include/asm/mcfsim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfslt.h b/arch/m68k/include/asm/mcfslt.h
index c2314b6f8caa..a539f0eccfcb 100644
--- a/arch/m68k/include/asm/mcfslt.h
+++ b/arch/m68k/include/asm/mcfslt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcftimer.h b/arch/m68k/include/asm/mcftimer.h
index 1150e42c3f19..4fe83db6497d 100644
--- a/arch/m68k/include/asm/mcftimer.h
+++ b/arch/m68k/include/asm/mcftimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h
index b40c20f66647..a1f35352f328 100644
--- a/arch/m68k/include/asm/mcfuart.h
+++ b/arch/m68k/include/asm/mcfuart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mcfwdebug.h b/arch/m68k/include/asm/mcfwdebug.h
index 27f70e45d700..bbe06cf036d1 100644
--- a/arch/m68k/include/asm/mcfwdebug.h
+++ b/arch/m68k/include/asm/mcfwdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/mmu.h b/arch/m68k/include/asm/mmu.h
index 8a11a63ee15a..5c15aacb1370 100644
--- a/arch/m68k/include/asm/mmu.h
+++ b/arch/m68k/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/m68k/include/asm/mmu_context.h b/arch/m68k/include/asm/mmu_context.h
index 4a6ae6dffa34..836acea8f758 100644
--- a/arch/m68k/include/asm/mmu_context.h
+++ b/arch/m68k/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68K_MMU_CONTEXT_H
 #define __M68K_MMU_CONTEXT_H
 
diff --git a/arch/m68k/include/asm/mmzone.h b/arch/m68k/include/asm/mmzone.h
index e1f1ec7b7006..64573fe8e60d 100644
--- a/arch/m68k/include/asm/mmzone.h
+++ b/arch/m68k/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_MMZONE_H_
 #define _ASM_M68K_MMZONE_H_
 
diff --git a/arch/m68k/include/asm/module.h b/arch/m68k/include/asm/module.h
index 8b58fce843dd..36cb06cc03e6 100644
--- a/arch/m68k/include/asm/module.h
+++ b/arch/m68k/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_MODULE_H
 #define _ASM_M68K_MODULE_H
 
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
index c895b987202c..7859a86319cf 100644
--- a/arch/m68k/include/asm/motorola_pgalloc.h
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MOTOROLA_PGALLOC_H
 #define _MOTOROLA_PGALLOC_H
 
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 0085aab80e5a..7f66a7bad7a5 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MOTOROLA_PGTABLE_H
 #define _MOTOROLA_PGTABLE_H
 
diff --git a/arch/m68k/include/asm/movs.h b/arch/m68k/include/asm/movs.h
index 67dbea36960f..390d7b47b8eb 100644
--- a/arch/m68k/include/asm/movs.h
+++ b/arch/m68k/include/asm/movs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef  __MOVS_H__
 #define __MOVS_H__
 
diff --git a/arch/m68k/include/asm/mvme147hw.h b/arch/m68k/include/asm/mvme147hw.h
index b81043108472..9c7ff67c5ffd 100644
--- a/arch/m68k/include/asm/mvme147hw.h
+++ b/arch/m68k/include/asm/mvme147hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MVME147HW_H_
 #define _MVME147HW_H_
 
diff --git a/arch/m68k/include/asm/mvme16xhw.h b/arch/m68k/include/asm/mvme16xhw.h
index 1eb89de631e5..cc7f5ae1220f 100644
--- a/arch/m68k/include/asm/mvme16xhw.h
+++ b/arch/m68k/include/asm/mvme16xhw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_MVME16xHW_H_
 #define _M68K_MVME16xHW_H_
 
diff --git a/arch/m68k/include/asm/nettel.h b/arch/m68k/include/asm/nettel.h
index 926375d538ec..45716ead7b9d 100644
--- a/arch/m68k/include/asm/nettel.h
+++ b/arch/m68k/include/asm/nettel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/arch/m68k/include/asm/nubus.h b/arch/m68k/include/asm/nubus.h
index d6be9976f1ae..d0d2039e434e 100644
--- a/arch/m68k/include/asm/nubus.h
+++ b/arch/m68k/include/asm/nubus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_NUBUS_H
 #define _ASM_M68K_NUBUS_H
 
diff --git a/arch/m68k/include/asm/openprom.h b/arch/m68k/include/asm/openprom.h
index d33cdadf78e1..dd22e649f5c5 100644
--- a/arch/m68k/include/asm/openprom.h
+++ b/arch/m68k/include/asm/openprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_OPENPROM_H
 #define __SPARC_OPENPROM_H
 
diff --git a/arch/m68k/include/asm/oplib.h b/arch/m68k/include/asm/oplib.h
index f082d03336bd..48cb4fd09f8d 100644
--- a/arch/m68k/include/asm/oplib.h
+++ b/arch/m68k/include/asm/oplib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * oplib.h:  Describes the interface and available routines in the
  *           Linux Prom library.
diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h
index d8a02c7e72d3..700d8195880c 100644
--- a/arch/m68k/include/asm/page.h
+++ b/arch/m68k/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_PAGE_H
 #define _M68K_PAGE_H
 
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index e7a1946455a8..e6b75992192b 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_PAGE_MM_H
 #define _M68K_PAGE_MM_H
 
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index fa7f32d9836b..e644c4daf540 100644
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_PAGE_NO_H
 #define _M68K_PAGE_NO_H
 
diff --git a/arch/m68k/include/asm/page_offset.h b/arch/m68k/include/asm/page_offset.h
index 82626a8f1d0a..11dc3cb8c35b 100644
--- a/arch/m68k/include/asm/page_offset.h
+++ b/arch/m68k/include/asm/page_offset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* This handles the memory map.. */
 
 #if defined(CONFIG_RAMBASE)
diff --git a/arch/m68k/include/asm/parport.h b/arch/m68k/include/asm/parport.h
index c85cece778e8..becfebd5c6b7 100644
--- a/arch/m68k/include/asm/parport.h
+++ b/arch/m68k/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * parport.h: platform-specific PC-style parport initialisation
  *
diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h
index 3a3dbcf4051d..ef26fae8cf0b 100644
--- a/arch/m68k/include/asm/pci.h
+++ b/arch/m68k/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_PCI_H
 #define _ASM_M68K_PCI_H
 
diff --git a/arch/m68k/include/asm/pgalloc.h b/arch/m68k/include/asm/pgalloc.h
index 37bee7e3223d..24ca46d2e090 100644
--- a/arch/m68k/include/asm/pgalloc.h
+++ b/arch/m68k/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef M68K_PGALLOC_H
 #define M68K_PGALLOC_H
 
diff --git a/arch/m68k/include/asm/pgtable.h b/arch/m68k/include/asm/pgtable.h
index a3d733b524d2..ad15d655a9bf 100644
--- a/arch/m68k/include/asm/pgtable.h
+++ b/arch/m68k/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __uClinux__
 #include <asm/pgtable_no.h>
 #else
diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h
index 35ed4a9981ae..6181e4134483 100644
--- a/arch/m68k/include/asm/pgtable_mm.h
+++ b/arch/m68k/include/asm/pgtable_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_PGTABLE_H
 #define _M68K_PGTABLE_H
 
diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h
index ac7d87a02335..fc3a96c77bd8 100644
--- a/arch/m68k/include/asm/pgtable_no.h
+++ b/arch/m68k/include/asm/pgtable_no.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68KNOMMU_PGTABLE_H
 #define _M68KNOMMU_PGTABLE_H
 
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index 94c36030440c..464e9f5f50ee 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-m68k/processor.h
  *
diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h
index a45cb6894ad3..ea5a80ca1ab3 100644
--- a/arch/m68k/include/asm/ptrace.h
+++ b/arch/m68k/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_PTRACE_H
 #define _M68K_PTRACE_H
 
diff --git a/arch/m68k/include/asm/q40_master.h b/arch/m68k/include/asm/q40_master.h
index c48d21b68f04..3a89c088800c 100644
--- a/arch/m68k/include/asm/q40_master.h
+++ b/arch/m68k/include/asm/q40_master.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Q40 master Chip Control
  * RTC stuff merged for compactness.
diff --git a/arch/m68k/include/asm/q40ints.h b/arch/m68k/include/asm/q40ints.h
index 22f12c9eb910..7c93ac4117b8 100644
--- a/arch/m68k/include/asm/q40ints.h
+++ b/arch/m68k/include/asm/q40ints.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * contains some Q40 related interrupt definitions
  */
diff --git a/arch/m68k/include/asm/quicc_simple.h b/arch/m68k/include/asm/quicc_simple.h
index c3636932d4bc..b9e2808b44ac 100644
--- a/arch/m68k/include/asm/quicc_simple.h
+++ b/arch/m68k/include/asm/quicc_simple.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /***********************************
  * $Id: quicc_simple.h,v 1.1 2002/03/02 15:01:10 gerg Exp $
  ***********************************
diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h
index 932faa35655b..05e940c29b54 100644
--- a/arch/m68k/include/asm/raw_io.h
+++ b/arch/m68k/include/asm/raw_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-m68k/raw_io.h
  *
diff --git a/arch/m68k/include/asm/segment.h b/arch/m68k/include/asm/segment.h
index 98216b8111f0..0b4cc1e079b5 100644
--- a/arch/m68k/include/asm/segment.h
+++ b/arch/m68k/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_SEGMENT_H
 #define _M68K_SEGMENT_H
 
diff --git a/arch/m68k/include/asm/serial.h b/arch/m68k/include/asm/serial.h
index 6d4497049b4b..3f76bc7b9edb 100644
--- a/arch/m68k/include/asm/serial.h
+++ b/arch/m68k/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-m68k/serial.h
  *
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 3bc64d02ba5f..8af85c38d377 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_SIGNAL_H
 #define _M68K_SIGNAL_H
 
diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h
index c30c03d98581..f759d944c449 100644
--- a/arch/m68k/include/asm/string.h
+++ b/arch/m68k/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_STRING_H_
 #define _M68K_STRING_H_
 
diff --git a/arch/m68k/include/asm/sun3-head.h b/arch/m68k/include/asm/sun3-head.h
index 05af2f18b3bd..5656a265ea58 100644
--- a/arch/m68k/include/asm/sun3-head.h
+++ b/arch/m68k/include/asm/sun3-head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUN3_HEAD_H
 #define __SUN3_HEAD_H
 
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index 1901f61f926f..11485d38de4e 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sun3_pgalloc.h --
  * reorganization around 2.3.39, routines moved from sun3_pgtable.h
  *
diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h
index d5104a7b5388..c987d50866b4 100644
--- a/arch/m68k/include/asm/sun3_pgtable.h
+++ b/arch/m68k/include/asm/sun3_pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SUN3_PGTABLE_H
 #define _SUN3_PGTABLE_H
 
diff --git a/arch/m68k/include/asm/sun3mmu.h b/arch/m68k/include/asm/sun3mmu.h
index d8f17a0d8c9f..21a75daa278f 100644
--- a/arch/m68k/include/asm/sun3mmu.h
+++ b/arch/m68k/include/asm/sun3mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for Sun3 custom MMU.
  */
diff --git a/arch/m68k/include/asm/sun3x.h b/arch/m68k/include/asm/sun3x.h
index f5691a1ed7cc..b3a83bcaf47e 100644
--- a/arch/m68k/include/asm/sun3x.h
+++ b/arch/m68k/include/asm/sun3x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SUN3X_H
 #define SUN3X_H
 
diff --git a/arch/m68k/include/asm/sun3xflop.h b/arch/m68k/include/asm/sun3xflop.h
index 159269b7f2e8..ef04c43acd13 100644
--- a/arch/m68k/include/asm/sun3xflop.h
+++ b/arch/m68k/include/asm/sun3xflop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sun3xflop.h: Sun3/80 specific parts of the floppy driver.
  *
  * Derived partially from asm-sparc/floppy.h, which is:
diff --git a/arch/m68k/include/asm/sun3xprom.h b/arch/m68k/include/asm/sun3xprom.h
index 6735efcf5f6d..d244ca4a9149 100644
--- a/arch/m68k/include/asm/sun3xprom.h
+++ b/arch/m68k/include/asm/sun3xprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Useful PROM locations */
 
 #ifndef SUN3X_PROM_H
diff --git a/arch/m68k/include/asm/switch_to.h b/arch/m68k/include/asm/switch_to.h
index 16fd6b634982..94f02f46c5fb 100644
--- a/arch/m68k/include/asm/switch_to.h
+++ b/arch/m68k/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_SWITCH_TO_H
 #define _M68K_SWITCH_TO_H
 
diff --git a/arch/m68k/include/asm/thread_info.h b/arch/m68k/include/asm/thread_info.h
index cee13c2e5161..928035591f2e 100644
--- a/arch/m68k/include/asm/thread_info.h
+++ b/arch/m68k/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_THREAD_INFO_H
 #define _ASM_M68K_THREAD_INFO_H
 
diff --git a/arch/m68k/include/asm/timex.h b/arch/m68k/include/asm/timex.h
index efc1f4892357..6a21d9358280 100644
--- a/arch/m68k/include/asm/timex.h
+++ b/arch/m68k/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-m68k/timex.h
  *
diff --git a/arch/m68k/include/asm/tlb.h b/arch/m68k/include/asm/tlb.h
index 1785cff73449..b4b9efb6f963 100644
--- a/arch/m68k/include/asm/tlb.h
+++ b/arch/m68k/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_TLB_H
 #define _M68K_TLB_H
 
diff --git a/arch/m68k/include/asm/tlbflush.h b/arch/m68k/include/asm/tlbflush.h
index 965ea35c9a40..191e75a6bb24 100644
--- a/arch/m68k/include/asm/tlbflush.h
+++ b/arch/m68k/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_TLBFLUSH_H
 #define _M68K_TLBFLUSH_H
 
diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h
index 63ba18e4c9a2..e896466a41a4 100644
--- a/arch/m68k/include/asm/uaccess.h
+++ b/arch/m68k/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __uClinux__
 #include <asm/uaccess_no.h>
 #else
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 1da1e23de74c..75c172e909ac 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68K_UACCESS_H
 #define __M68K_UACCESS_H
 
diff --git a/arch/m68k/include/asm/uaccess_no.h b/arch/m68k/include/asm/uaccess_no.h
index 53d7b792a43d..892efb56beef 100644
--- a/arch/m68k/include/asm/uaccess_no.h
+++ b/arch/m68k/include/asm/uaccess_no.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __M68KNOMMU_UACCESS_H
 #define __M68KNOMMU_UACCESS_H
 
diff --git a/arch/m68k/include/asm/ucontext.h b/arch/m68k/include/asm/ucontext.h
index e4e22669edc0..1523a8e5ff22 100644
--- a/arch/m68k/include/asm/ucontext.h
+++ b/arch/m68k/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_UCONTEXT_H
 #define _M68K_UCONTEXT_H
 
diff --git a/arch/m68k/include/asm/unaligned.h b/arch/m68k/include/asm/unaligned.h
index 2b3ca0bf7a0d..98c8930d3d35 100644
--- a/arch/m68k/include/asm/unaligned.h
+++ b/arch/m68k/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_UNALIGNED_H
 #define _ASM_M68K_UNALIGNED_H
 
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index aab1edd0d4ba..30d0d3fbd4ef 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_UNISTD_H_
 #define _ASM_M68K_UNISTD_H_
 
diff --git a/arch/m68k/include/asm/user.h b/arch/m68k/include/asm/user.h
index f1f478d6e050..509d555977c8 100644
--- a/arch/m68k/include/asm/user.h
+++ b/arch/m68k/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _M68K_USER_H
 #define _M68K_USER_H
 
diff --git a/arch/m68k/include/asm/vga.h b/arch/m68k/include/asm/vga.h
index d3aa1401e7aa..010a624d1b39 100644
--- a/arch/m68k/include/asm/vga.h
+++ b/arch/m68k/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_VGA_H
 #define _ASM_M68K_VGA_H
 
diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h
index b8a82fb1cef8..4aea6be7b220 100644
--- a/arch/m68k/include/asm/virtconvert.h
+++ b/arch/m68k/include/asm/virtconvert.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __VIRT_CONVERT__
 #define __VIRT_CONVERT__
 
diff --git a/arch/m68k/include/asm/zorro.h b/arch/m68k/include/asm/zorro.h
index 5ce97c22b582..96f64bf7bcaa 100644
--- a/arch/m68k/include/asm/zorro.h
+++ b/arch/m68k/include/asm/zorro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_M68K_ZORRO_H
 #define _ASM_M68K_ZORRO_H
 
diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index 74c898ced8cc..dbac7f8743fc 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c
index 3a386341aa6e..ccea355052ef 100644
--- a/arch/m68k/kernel/asm-offsets.c
+++ b/arch/m68k/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This program is used to generate definitions needed by
  * assembly language modules.
diff --git a/arch/m68k/kernel/bootinfo_proc.c b/arch/m68k/kernel/bootinfo_proc.c
index 2a33a9645ad8..3b9cab84917d 100644
--- a/arch/m68k/kernel/bootinfo_proc.c
+++ b/arch/m68k/kernel/bootinfo_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Based on arch/arm/kernel/atags_proc.c
  */
diff --git a/arch/m68k/kernel/machine_kexec.c b/arch/m68k/kernel/machine_kexec.c
index d4affc917d9d..206f84983120 100644
--- a/arch/m68k/kernel/machine_kexec.c
+++ b/arch/m68k/kernel/machine_kexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * machine_kexec.c - handle transition of Linux booting another kernel
  */
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 7df92f8b0781..4e77a06735c1 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/kernel/process.c
  *
diff --git a/arch/m68k/kernel/relocate_kernel.S b/arch/m68k/kernel/relocate_kernel.S
index 3e09a89067ad..ab0f1e7d4653 100644
--- a/arch/m68k/kernel/relocate_kernel.S
+++ b/arch/m68k/kernel/relocate_kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 #include <asm/asm-offsets.h>
diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index 4bf129f1d2e2..854e09f403e7 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef CONFIG_MMU
 #include "setup_mm.c"
 #else
diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c
index 7a2c21212820..657a9843ebfa 100644
--- a/arch/m68k/kernel/setup_mm.c
+++ b/arch/m68k/kernel/setup_mm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/kernel/setup.c
  *
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index 8afe6f651c1c..a98af1018201 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68knommu/kernel/setup.c
  *
diff --git a/arch/m68k/kernel/sun3-head.S b/arch/m68k/kernel/sun3-head.S
index 43036bf4aeed..faf18f4fab1f 100644
--- a/arch/m68k/kernel/sun3-head.S
+++ b/arch/m68k/kernel/sun3-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <linux/init.h>
 
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 933e4815dac8..27e10af5153a 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m68k/kernel/sys_m68k.c
  *
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 8c9fcfafe0dd..2c8402e75f62 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 2002, Greg Ungerer (gerg@snapgear.com)
  *
diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-nommu.lds
index d2c8abf1c8c4..3aa571a513b5 100644
--- a/arch/m68k/kernel/vmlinux-nommu.lds
+++ b/arch/m68k/kernel/vmlinux-nommu.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	vmlinux.lds.S -- master linker script for m68knommu arch
  *
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index 5b5ce1e4d1ed..89172b8974b9 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make m68k Linux kernel */
 
 #include <asm-generic/vmlinux.lds.h>
diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds
index fe5ea1974b16..293990efc917 100644
--- a/arch/m68k/kernel/vmlinux-sun3.lds
+++ b/arch/m68k/kernel/vmlinux-sun3.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make m68k Linux kernel */
 
 #include <asm-generic/vmlinux.lds.h>
diff --git a/arch/m68k/kernel/vmlinux.lds.S b/arch/m68k/kernel/vmlinux.lds.S
index 69ec79638870..d3d3c305ebc9 100644
--- a/arch/m68k/kernel/vmlinux.lds.S
+++ b/arch/m68k/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
 PHDRS
 {
diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile
index fcd8eb1d7c7d..eca17f14b4d5 100644
--- a/arch/m68k/lib/Makefile
+++ b/arch/m68k/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # Makefile for m68k-specific library files..
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index 514acde3cd40..850f0dc284ca 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Baboon Custom IC Management
  *
diff --git a/arch/m68k/mac/mac_penguin.S b/arch/m68k/mac/mac_penguin.S
index b3ce30b6071d..359e63bb632d 100644
--- a/arch/m68k/mac/mac_penguin.S
+++ b/arch/m68k/mac/mac_penguin.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 .byte \
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
diff --git a/arch/m68k/mac/macboing.c b/arch/m68k/mac/macboing.c
index ffaa1f6439ae..fa2b9604fd24 100644
--- a/arch/m68k/mac/macboing.c
+++ b/arch/m68k/mac/macboing.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Mac bong noise generator. Note - we ought to put a boingy noise
  *	here 8)
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 9637dee90dac..e3575388cd05 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Macintosh interrupts
  *
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index d96348a52362..4956edaac926 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Miscellaneous Mac68K-specific stuff
  */
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index ca84dcf41fc9..34c0993dc689 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Operating System Services (OSS) chip handling
  *	Written by Joshua M. Thompson (funaho@jurai.org)
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 16629e91feba..9f59a662ace5 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	6522 Versatile Interface Adapter (VIA)
  *
diff --git a/arch/m68k/mm/Makefile b/arch/m68k/mm/Makefile
index cfbf3205724a..b3adb5253393 100644
--- a/arch/m68k/mm/Makefile
+++ b/arch/m68k/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux m68k-specific parts of the memory manager.
 #
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c
index 3d84c1f2ffb2..079e64898e6a 100644
--- a/arch/m68k/mm/cache.c
+++ b/arch/m68k/mm/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/mm/cache.c
  *
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 2795e4ca09d7..127d7c1f2090 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/mm/fault.c
  *
diff --git a/arch/m68k/mm/hwtest.c b/arch/m68k/mm/hwtest.c
index fb8be4dd38c4..fe99aa99987e 100644
--- a/arch/m68k/mm/hwtest.c
+++ b/arch/m68k/mm/hwtest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Tests for presence or absence of hardware registers.
  * This code was originally in atari/config.c, but I noticed
  * that it was also in drivers/nubus/nubus.c and I wanted to
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index a6ffead9bef5..e85acd131fa8 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/mm/init.c
  *
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c
index 6e4955bc542b..c2a38321c96d 100644
--- a/arch/m68k/mm/kmap.c
+++ b/arch/m68k/mm/kmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/mm/kmap.c
  *
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index 87131cd3bc8f..8d1408583cf4 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Based upon linux/arch/m68k/mm/sun3mmu.c
  * Based upon linux/arch/ppc/mm/mmu_context.c
diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c
index 4902b681a9fc..b86a2e21693b 100644
--- a/arch/m68k/mm/memory.c
+++ b/arch/m68k/mm/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/mm/memory.c
  *
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 7cb72dbc2eaa..e490ecc7842c 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m68k/mm/motorola.c
  *
diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c
index 177d776de1a0..4a9979908357 100644
--- a/arch/m68k/mm/sun3mmu.c
+++ b/arch/m68k/mm/sun3mmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m68k/mm/sun3mmu.c
  *
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index 7b24577a7bd0..ccbaae1125e6 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Real Time Clock interface for Linux on the MVME16x
  *
diff --git a/arch/m68k/sun3/dvma.c b/arch/m68k/sun3/dvma.c
index ca02ee25894c..5f92c72b05c3 100644
--- a/arch/m68k/sun3/dvma.c
+++ b/arch/m68k/sun3/dvma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m68k/sun3/dvma.c
  *
diff --git a/arch/m68k/sun3/idprom.c b/arch/m68k/sun3/idprom.c
index 9c23f506d60d..1ace5353d78f 100644
--- a/arch/m68k/sun3/idprom.c
+++ b/arch/m68k/sun3/idprom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * idprom.c: Routines to load the idprom into kernel addresses and
  *           interpret the data contained within.
diff --git a/arch/m68k/sun3/leds.c b/arch/m68k/sun3/leds.c
index aad2e0a0682e..7c67b58ebf13 100644
--- a/arch/m68k/sun3/leds.c
+++ b/arch/m68k/sun3/leds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/contregs.h>
 #include <asm/sun3mmu.h>
 #include <asm/io.h>
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
index 7fdc61525e0b..d30da12a1702 100644
--- a/arch/m68k/sun3/mmu_emu.c
+++ b/arch/m68k/sun3/mmu_emu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
 ** Tablewalk MMU emulator
 **
diff --git a/arch/m68k/sun3/prom/console.c b/arch/m68k/sun3/prom/console.c
index e92364373b07..eb4f6c903fb8 100644
--- a/arch/m68k/sun3/prom/console.c
+++ b/arch/m68k/sun3/prom/console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * console.c: Routines that deal with sending and receiving IO
  *            to/from the current console device using the PROM.
diff --git a/arch/m68k/sun3/prom/init.c b/arch/m68k/sun3/prom/init.c
index eeba067d565f..0c6d99df6aee 100644
--- a/arch/m68k/sun3/prom/init.c
+++ b/arch/m68k/sun3/prom/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * init.c:  Initialize internal variables used by the PROM
  *          library functions.
diff --git a/arch/m68k/sun3/prom/misc.c b/arch/m68k/sun3/prom/misc.c
index 3d60e1337f75..b8c95940d089 100644
--- a/arch/m68k/sun3/prom/misc.c
+++ b/arch/m68k/sun3/prom/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c:  Miscellaneous prom functions that don't belong
  *          anywhere else.
diff --git a/arch/m68k/sun3/prom/printf.c b/arch/m68k/sun3/prom/printf.c
index 5b82bea03493..b6724cc66795 100644
--- a/arch/m68k/sun3/prom/printf.c
+++ b/arch/m68k/sun3/prom/printf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * printf.c:  Internal prom library printf facility.
  *
diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c
index d36bd15f9fdc..8546922adb47 100644
--- a/arch/m68k/sun3/sun3dvma.c
+++ b/arch/m68k/sun3/sun3dvma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/m68k/sun3/sun3dvma.c
  *
diff --git a/arch/m68k/sun3x/config.c b/arch/m68k/sun3x/config.c
index 0532d64d191e..33d3a1c6fba0 100644
--- a/arch/m68k/sun3x/config.c
+++ b/arch/m68k/sun3x/config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Setup kernel for a Sun3x machine
  *
diff --git a/arch/m68k/sun3x/dvma.c b/arch/m68k/sun3x/dvma.c
index 9413c8724b0d..b2acbc862f60 100644
--- a/arch/m68k/sun3x/dvma.c
+++ b/arch/m68k/sun3x/dvma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Virtual DMA allocation
  *
diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c
index 5d60e65c1ee5..be14c899ab7d 100644
--- a/arch/m68k/sun3x/prom.c
+++ b/arch/m68k/sun3x/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Prom access routines for the sun3x */
 
 #include <linux/types.h>
diff --git a/arch/m68k/sun3x/time.c b/arch/m68k/sun3x/time.c
index 431d3c4306dd..7a2c53d9f779 100644
--- a/arch/m68k/sun3x/time.c
+++ b/arch/m68k/sun3x/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/m68k/sun3x/time.c
  *
diff --git a/arch/m68k/sun3x/time.h b/arch/m68k/sun3x/time.h
index a4f9126be7e2..496f406412ad 100644
--- a/arch/m68k/sun3x/time.h
+++ b/arch/m68k/sun3x/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SUN3X_TIME_H
 #define SUN3X_TIME_H
 
diff --git a/arch/m68k/tools/amiga/Makefile b/arch/m68k/tools/amiga/Makefile
index 113436136089..e6425b367ca8 100644
--- a/arch/m68k/tools/amiga/Makefile
+++ b/arch/m68k/tools/amiga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 CC =		m68k-cbm-amigados-gcc
 CFLAGS =	-Wall -O2
diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index 7d8b322e5101..c7b62a339539 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config METAG
 	def_bool y
 	select EMBEDDED
diff --git a/arch/metag/Kconfig.debug b/arch/metag/Kconfig.debug
index cb5c92860540..ac4516c605db 100644
--- a/arch/metag/Kconfig.debug
+++ b/arch/metag/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/metag/Kconfig.soc b/arch/metag/Kconfig.soc
index 50f979c2b02d..c521f0e00d8e 100644
--- a/arch/metag/Kconfig.soc
+++ b/arch/metag/Kconfig.soc
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "SoC Type"
 	default META21_FPGA
diff --git a/arch/metag/boot/dts/Makefile b/arch/metag/boot/dts/Makefile
index 097c6da4547f..ad5dde558db1 100644
--- a/arch/metag/boot/dts/Makefile
+++ b/arch/metag/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-y	+= skeleton.dtb
 dtb-y	+= tz1090_generic.dtb
 
diff --git a/arch/metag/boot/dts/skeleton.dtsi b/arch/metag/boot/dts/skeleton.dtsi
index 78229eacced7..43e2ffe73c27 100644
--- a/arch/metag/boot/dts/skeleton.dtsi
+++ b/arch/metag/boot/dts/skeleton.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Skeleton device tree; the bare minimum needed to boot; just include and
  * add a compatible value.  The bootloader will typically populate the memory
diff --git a/arch/metag/include/asm/atomic.h b/arch/metag/include/asm/atomic.h
index 8ff0a70865f6..97ae189c2dd8 100644
--- a/arch/metag/include/asm/atomic.h
+++ b/arch/metag/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_ATOMIC_H
 #define __ASM_METAG_ATOMIC_H
 
diff --git a/arch/metag/include/asm/atomic_lnkget.h b/arch/metag/include/asm/atomic_lnkget.h
index def2c642f053..17e8c61c946d 100644
--- a/arch/metag/include/asm/atomic_lnkget.h
+++ b/arch/metag/include/asm/atomic_lnkget.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_ATOMIC_LNKGET_H
 #define __ASM_METAG_ATOMIC_LNKGET_H
 
diff --git a/arch/metag/include/asm/atomic_lock1.h b/arch/metag/include/asm/atomic_lock1.h
index eee779f26cc4..2ce8fa3a79c2 100644
--- a/arch/metag/include/asm/atomic_lock1.h
+++ b/arch/metag/include/asm/atomic_lock1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_ATOMIC_LOCK1_H
 #define __ASM_METAG_ATOMIC_LOCK1_H
 
diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h
index 5418517aa5eb..2661fec5696a 100644
--- a/arch/metag/include/asm/barrier.h
+++ b/arch/metag/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_BARRIER_H
 #define _ASM_METAG_BARRIER_H
 
diff --git a/arch/metag/include/asm/bitops.h b/arch/metag/include/asm/bitops.h
index 2671134ee745..766ad43010ad 100644
--- a/arch/metag/include/asm/bitops.h
+++ b/arch/metag/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_BITOPS_H
 #define __ASM_METAG_BITOPS_H
 
diff --git a/arch/metag/include/asm/bug.h b/arch/metag/include/asm/bug.h
index 9f8967f10f8c..ee07a943f931 100644
--- a/arch/metag/include/asm/bug.h
+++ b/arch/metag/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_BUG_H
 #define _ASM_METAG_BUG_H
 
diff --git a/arch/metag/include/asm/cache.h b/arch/metag/include/asm/cache.h
index a43b650cfdc0..b5df02239c8d 100644
--- a/arch/metag/include/asm/cache.h
+++ b/arch/metag/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CACHE_H
 #define __ASM_METAG_CACHE_H
 
diff --git a/arch/metag/include/asm/cacheflush.h b/arch/metag/include/asm/cacheflush.h
index 7787ec5e3ed0..2584a51eca1a 100644
--- a/arch/metag/include/asm/cacheflush.h
+++ b/arch/metag/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_CACHEFLUSH_H
 #define _METAG_CACHEFLUSH_H
 
diff --git a/arch/metag/include/asm/cachepart.h b/arch/metag/include/asm/cachepart.h
index cf6b44e916b5..79411e977586 100644
--- a/arch/metag/include/asm/cachepart.h
+++ b/arch/metag/include/asm/cachepart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Meta cache partition manipulation.
  *
diff --git a/arch/metag/include/asm/checksum.h b/arch/metag/include/asm/checksum.h
index f65fe83b1730..6533d14e9789 100644
--- a/arch/metag/include/asm/checksum.h
+++ b/arch/metag/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_CHECKSUM_H
 #define _METAG_CHECKSUM_H
 
diff --git a/arch/metag/include/asm/cmpxchg.h b/arch/metag/include/asm/cmpxchg.h
index be29e3e44321..68c4ab1466fd 100644
--- a/arch/metag/include/asm/cmpxchg.h
+++ b/arch/metag/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CMPXCHG_H
 #define __ASM_METAG_CMPXCHG_H
 
diff --git a/arch/metag/include/asm/cmpxchg_irq.h b/arch/metag/include/asm/cmpxchg_irq.h
index 649573168b05..5255e37f8496 100644
--- a/arch/metag/include/asm/cmpxchg_irq.h
+++ b/arch/metag/include/asm/cmpxchg_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CMPXCHG_IRQ_H
 #define __ASM_METAG_CMPXCHG_IRQ_H
 
diff --git a/arch/metag/include/asm/cmpxchg_lnkget.h b/arch/metag/include/asm/cmpxchg_lnkget.h
index 2369ad394876..c69be00a4739 100644
--- a/arch/metag/include/asm/cmpxchg_lnkget.h
+++ b/arch/metag/include/asm/cmpxchg_lnkget.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CMPXCHG_LNKGET_H
 #define __ASM_METAG_CMPXCHG_LNKGET_H
 
diff --git a/arch/metag/include/asm/cmpxchg_lock1.h b/arch/metag/include/asm/cmpxchg_lock1.h
index fd6850474969..5976e39db2b4 100644
--- a/arch/metag/include/asm/cmpxchg_lock1.h
+++ b/arch/metag/include/asm/cmpxchg_lock1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CMPXCHG_LOCK1_H
 #define __ASM_METAG_CMPXCHG_LOCK1_H
 
diff --git a/arch/metag/include/asm/core_reg.h b/arch/metag/include/asm/core_reg.h
index bdbc3a51f31c..ca70a0a29b61 100644
--- a/arch/metag/include/asm/core_reg.h
+++ b/arch/metag/include/asm/core_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_CORE_REG_H_
 #define __ASM_METAG_CORE_REG_H_
 
diff --git a/arch/metag/include/asm/cpu.h b/arch/metag/include/asm/cpu.h
index decf12969268..9dac67de4748 100644
--- a/arch/metag/include/asm/cpu.h
+++ b/arch/metag/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_CPU_H
 #define _ASM_METAG_CPU_H
 
diff --git a/arch/metag/include/asm/da.h b/arch/metag/include/asm/da.h
index 81bd5212fb03..901daa540e6e 100644
--- a/arch/metag/include/asm/da.h
+++ b/arch/metag/include/asm/da.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Meta DA JTAG debugger control.
  *
diff --git a/arch/metag/include/asm/delay.h b/arch/metag/include/asm/delay.h
index 9c92f996957a..fd73d3d5d294 100644
--- a/arch/metag/include/asm/delay.h
+++ b/arch/metag/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_DELAY_H
 #define _METAG_DELAY_H
 
diff --git a/arch/metag/include/asm/div64.h b/arch/metag/include/asm/div64.h
index 0fdd11676212..e3686d2ae20e 100644
--- a/arch/metag/include/asm/div64.h
+++ b/arch/metag/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_DIV64_H__
 #define __ASM_DIV64_H__
 
diff --git a/arch/metag/include/asm/dma-mapping.h b/arch/metag/include/asm/dma-mapping.h
index ea573be2b6d0..7465ce54a4a9 100644
--- a/arch/metag/include/asm/dma-mapping.h
+++ b/arch/metag/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_DMA_MAPPING_H
 #define _ASM_METAG_DMA_MAPPING_H
 
diff --git a/arch/metag/include/asm/elf.h b/arch/metag/include/asm/elf.h
index 87b0cf1e0acb..a6c33800ba66 100644
--- a/arch/metag/include/asm/elf.h
+++ b/arch/metag/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_ELF_H
 #define __ASM_METAG_ELF_H
 
diff --git a/arch/metag/include/asm/ftrace.h b/arch/metag/include/asm/ftrace.h
index a2269d60a945..b1c8c76fb772 100644
--- a/arch/metag/include/asm/ftrace.h
+++ b/arch/metag/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_FTRACE
 #define _ASM_METAG_FTRACE
 
diff --git a/arch/metag/include/asm/global_lock.h b/arch/metag/include/asm/global_lock.h
index fc831c88c22a..4d3da9682233 100644
--- a/arch/metag/include/asm/global_lock.h
+++ b/arch/metag/include/asm/global_lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_GLOBAL_LOCK_H
 #define __ASM_METAG_GLOBAL_LOCK_H
 
diff --git a/arch/metag/include/asm/highmem.h b/arch/metag/include/asm/highmem.h
index 9b1d172cd884..8b0dfd684e15 100644
--- a/arch/metag/include/asm/highmem.h
+++ b/arch/metag/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HIGHMEM_H
 #define _ASM_HIGHMEM_H
 
diff --git a/arch/metag/include/asm/hugetlb.h b/arch/metag/include/asm/hugetlb.h
index 905ed422dbeb..1607363d2639 100644
--- a/arch/metag/include/asm/hugetlb.h
+++ b/arch/metag/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_HUGETLB_H
 #define _ASM_METAG_HUGETLB_H
 
diff --git a/arch/metag/include/asm/hwthread.h b/arch/metag/include/asm/hwthread.h
index 8f9786619b1d..8d2171da5414 100644
--- a/arch/metag/include/asm/hwthread.h
+++ b/arch/metag/include/asm/hwthread.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008 Imagination Technologies
  */
diff --git a/arch/metag/include/asm/io.h b/arch/metag/include/asm/io.h
index 9890f21eadbe..71cd2bc54718 100644
--- a/arch/metag/include/asm/io.h
+++ b/arch/metag/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_IO_H
 #define _ASM_METAG_IO_H
 
diff --git a/arch/metag/include/asm/irq.h b/arch/metag/include/asm/irq.h
index 6ac6d4a051dd..cb02c29935a4 100644
--- a/arch/metag/include/asm/irq.h
+++ b/arch/metag/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_IRQ_H
 #define __ASM_METAG_IRQ_H
 
diff --git a/arch/metag/include/asm/irqflags.h b/arch/metag/include/asm/irqflags.h
index 339b16f062eb..e2fe34acb93b 100644
--- a/arch/metag/include/asm/irqflags.h
+++ b/arch/metag/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IRQ flags handling
  *
diff --git a/arch/metag/include/asm/l2cache.h b/arch/metag/include/asm/l2cache.h
index bffbeaa4d93b..f260b158b8fe 100644
--- a/arch/metag/include/asm/l2cache.h
+++ b/arch/metag/include/asm/l2cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_L2CACHE_H
 #define _METAG_L2CACHE_H
 
diff --git a/arch/metag/include/asm/linkage.h b/arch/metag/include/asm/linkage.h
index 73bf25ba4e18..3a9024ecb827 100644
--- a/arch/metag/include/asm/linkage.h
+++ b/arch/metag/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/metag/include/asm/mman.h b/arch/metag/include/asm/mman.h
index 17999dba9275..dcb0d20a64fd 100644
--- a/arch/metag/include/asm/mman.h
+++ b/arch/metag/include/asm/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __METAG_MMAN_H__
 #define __METAG_MMAN_H__
 
diff --git a/arch/metag/include/asm/mmu.h b/arch/metag/include/asm/mmu.h
index 9c321147c0b4..cab5a01c3dcb 100644
--- a/arch/metag/include/asm/mmu.h
+++ b/arch/metag/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/metag/include/asm/mmu_context.h b/arch/metag/include/asm/mmu_context.h
index 2e0312748197..7b4766379622 100644
--- a/arch/metag/include/asm/mmu_context.h
+++ b/arch/metag/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __METAG_MMU_CONTEXT_H
 #define __METAG_MMU_CONTEXT_H
 
diff --git a/arch/metag/include/asm/mmzone.h b/arch/metag/include/asm/mmzone.h
index 9c88a9c65f59..8627fb532206 100644
--- a/arch/metag/include/asm/mmzone.h
+++ b/arch/metag/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_MMZONE_H
 #define __ASM_METAG_MMZONE_H
 
diff --git a/arch/metag/include/asm/module.h b/arch/metag/include/asm/module.h
index e47e60941b2b..e957171c320b 100644
--- a/arch/metag/include/asm/module.h
+++ b/arch/metag/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_MODULE_H
 #define _ASM_METAG_MODULE_H
 
diff --git a/arch/metag/include/asm/page.h b/arch/metag/include/asm/page.h
index 1e8e281b8bb7..9e994d77069d 100644
--- a/arch/metag/include/asm/page.h
+++ b/arch/metag/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_PAGE_H
 #define _METAG_PAGE_H
 
diff --git a/arch/metag/include/asm/pgalloc.h b/arch/metag/include/asm/pgalloc.h
index c2caa1ee4360..0b9d95d78b61 100644
--- a/arch/metag/include/asm/pgalloc.h
+++ b/arch/metag/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_PGALLOC_H
 #define _METAG_PGALLOC_H
 
diff --git a/arch/metag/include/asm/pgtable-bits.h b/arch/metag/include/asm/pgtable-bits.h
index 25ba6729f496..5f6b82282a41 100644
--- a/arch/metag/include/asm/pgtable-bits.h
+++ b/arch/metag/include/asm/pgtable-bits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Meta page table definitions.
  */
diff --git a/arch/metag/include/asm/pgtable.h b/arch/metag/include/asm/pgtable.h
index 0c151e5af079..a3422f06c03b 100644
--- a/arch/metag/include/asm/pgtable.h
+++ b/arch/metag/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Macros and functions to manipulate Meta page tables.
  */
diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h
index 8ae92d6abfd2..9a0c502cd4a0 100644
--- a/arch/metag/include/asm/processor.h
+++ b/arch/metag/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2005,2006,2007,2008 Imagination Technologies
  */
diff --git a/arch/metag/include/asm/ptrace.h b/arch/metag/include/asm/ptrace.h
index fcabc18daf25..9074f254c9ca 100644
--- a/arch/metag/include/asm/ptrace.h
+++ b/arch/metag/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_PTRACE_H
 #define _METAG_PTRACE_H
 
diff --git a/arch/metag/include/asm/setup.h b/arch/metag/include/asm/setup.h
index e9fdee9452b1..504621d79ef5 100644
--- a/arch/metag/include/asm/setup.h
+++ b/arch/metag/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_SETUP_H
 #define _ASM_METAG_SETUP_H
 
diff --git a/arch/metag/include/asm/smp.h b/arch/metag/include/asm/smp.h
index 1d7e770f7a54..8d3683d83680 100644
--- a/arch/metag/include/asm/smp.h
+++ b/arch/metag/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
diff --git a/arch/metag/include/asm/sparsemem.h b/arch/metag/include/asm/sparsemem.h
index 03fe255d697a..2942894bace5 100644
--- a/arch/metag/include/asm/sparsemem.h
+++ b/arch/metag/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_SPARSEMEM_H
 #define __ASM_METAG_SPARSEMEM_H
 
diff --git a/arch/metag/include/asm/spinlock.h b/arch/metag/include/asm/spinlock.h
index ddf7fe5708a6..349938c35f2d 100644
--- a/arch/metag/include/asm/spinlock.h
+++ b/arch/metag/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_H
 #define __ASM_SPINLOCK_H
 
diff --git a/arch/metag/include/asm/spinlock_lnkget.h b/arch/metag/include/asm/spinlock_lnkget.h
index ad8436feed8d..029935560b7f 100644
--- a/arch/metag/include/asm/spinlock_lnkget.h
+++ b/arch/metag/include/asm/spinlock_lnkget.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_LNKGET_H
 #define __ASM_SPINLOCK_LNKGET_H
 
diff --git a/arch/metag/include/asm/spinlock_lock1.h b/arch/metag/include/asm/spinlock_lock1.h
index c630444cffe9..12de9862d190 100644
--- a/arch/metag/include/asm/spinlock_lock1.h
+++ b/arch/metag/include/asm/spinlock_lock1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_LOCK1_H
 #define __ASM_SPINLOCK_LOCK1_H
 
diff --git a/arch/metag/include/asm/spinlock_types.h b/arch/metag/include/asm/spinlock_types.h
index b76391405fea..cd197f1bed59 100644
--- a/arch/metag/include/asm/spinlock_types.h
+++ b/arch/metag/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_SPINLOCK_TYPES_H
 #define _ASM_METAG_SPINLOCK_TYPES_H
 
diff --git a/arch/metag/include/asm/stacktrace.h b/arch/metag/include/asm/stacktrace.h
index 2830a0fe7ac9..f45e3cb2bbb5 100644
--- a/arch/metag/include/asm/stacktrace.h
+++ b/arch/metag/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_STACKTRACE_H
 #define __ASM_STACKTRACE_H
 
diff --git a/arch/metag/include/asm/string.h b/arch/metag/include/asm/string.h
index 53e3806eee04..86f9614d5fc6 100644
--- a/arch/metag/include/asm/string.h
+++ b/arch/metag/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_STRING_H_
 #define _METAG_STRING_H_
 
diff --git a/arch/metag/include/asm/syscalls.h b/arch/metag/include/asm/syscalls.h
index a02b95556522..eac0cf120323 100644
--- a/arch/metag/include/asm/syscalls.h
+++ b/arch/metag/include/asm/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_SYSCALLS_H
 #define _ASM_METAG_SYSCALLS_H
 
diff --git a/arch/metag/include/asm/tcm.h b/arch/metag/include/asm/tcm.h
index 7711c317b1d2..a0a4997e4b8a 100644
--- a/arch/metag/include/asm/tcm.h
+++ b/arch/metag/include/asm/tcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TCM_H__
 #define __ASM_TCM_H__
 
diff --git a/arch/metag/include/asm/thread_info.h b/arch/metag/include/asm/thread_info.h
index 32677cc278aa..554f73a77e6e 100644
--- a/arch/metag/include/asm/thread_info.h
+++ b/arch/metag/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: Meta low-level thread information
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/arch/metag/include/asm/tlb.h b/arch/metag/include/asm/tlb.h
index 048282f1cc1f..fbe6ee91e8e7 100644
--- a/arch/metag/include/asm/tlb.h
+++ b/arch/metag/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_TLB_H
 #define __ASM_METAG_TLB_H
 
diff --git a/arch/metag/include/asm/tlbflush.h b/arch/metag/include/asm/tlbflush.h
index 566acf918a64..f3e5d99a3891 100644
--- a/arch/metag/include/asm/tlbflush.h
+++ b/arch/metag/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_METAG_TLBFLUSH_H
 #define __ASM_METAG_TLBFLUSH_H
 
diff --git a/arch/metag/include/asm/topology.h b/arch/metag/include/asm/topology.h
index 707c7f7b6bea..df0d9e6b7f12 100644
--- a/arch/metag/include/asm/topology.h
+++ b/arch/metag/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_METAG_TOPOLOGY_H
 #define _ASM_METAG_TOPOLOGY_H
 
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h
index 47469e26641a..a5311eb36e32 100644
--- a/arch/metag/include/asm/uaccess.h
+++ b/arch/metag/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __METAG_UACCESS_H
 #define __METAG_UACCESS_H
 
diff --git a/arch/metag/include/asm/user_gateway.h b/arch/metag/include/asm/user_gateway.h
index e404c09e3b74..cf2392b95a56 100644
--- a/arch/metag/include/asm/user_gateway.h
+++ b/arch/metag/include/asm/user_gateway.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2010 Imagination Technologies
  */
diff --git a/arch/metag/kernel/Makefile b/arch/metag/kernel/Makefile
index d7675f4a5df8..73441d8c0369 100644
--- a/arch/metag/kernel/Makefile
+++ b/arch/metag/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/Meta kernel.
 #
diff --git a/arch/metag/kernel/asm-offsets.c b/arch/metag/kernel/asm-offsets.c
index bfc9205f9647..d9b348b99ff2 100644
--- a/arch/metag/kernel/asm-offsets.c
+++ b/arch/metag/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This program is used to generate definitions needed by
  * assembly language modules.
diff --git a/arch/metag/kernel/cachepart.c b/arch/metag/kernel/cachepart.c
index db944c2e7d88..6e0f8a80cc96 100644
--- a/arch/metag/kernel/cachepart.c
+++ b/arch/metag/kernel/cachepart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Meta cache partition manipulation.
  *
diff --git a/arch/metag/kernel/core_reg.c b/arch/metag/kernel/core_reg.c
index 671cce8c34f2..df2833f2766f 100644
--- a/arch/metag/kernel/core_reg.c
+++ b/arch/metag/kernel/core_reg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Support for reading and writing Meta core internal registers.
  *
diff --git a/arch/metag/kernel/head.S b/arch/metag/kernel/head.S
index 713f71d1bdfe..3ed27813413e 100644
--- a/arch/metag/kernel/head.S
+++ b/arch/metag/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	! Copyright 2005,2006,2007,2009 Imagination Technologies
 
 #include <linux/init.h>
diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c
index c9939604a38f..704cf17f8370 100644
--- a/arch/metag/kernel/irq.c
+++ b/arch/metag/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux/Meta general interrupt handling code
  *
diff --git a/arch/metag/kernel/machines.c b/arch/metag/kernel/machines.c
index 1edf6ba193b1..e49790181051 100644
--- a/arch/metag/kernel/machines.c
+++ b/arch/metag/kernel/machines.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/metag/kernel/machines.c
  *
diff --git a/arch/metag/kernel/metag_ksyms.c b/arch/metag/kernel/metag_ksyms.c
index 215c94ad63ac..e312386efb72 100644
--- a/arch/metag/kernel/metag_ksyms.c
+++ b/arch/metag/kernel/metag_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/types.h>
 
diff --git a/arch/metag/kernel/perf_callchain.c b/arch/metag/kernel/perf_callchain.c
index 3e8e048040df..d325ba101de0 100644
--- a/arch/metag/kernel/perf_callchain.c
+++ b/arch/metag/kernel/perf_callchain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Perf callchain handling code.
  *
diff --git a/arch/metag/kernel/process.c b/arch/metag/kernel/process.c
index c4606ce743d2..0909834c83a7 100644
--- a/arch/metag/kernel/process.c
+++ b/arch/metag/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2005,2006,2007,2008,2009,2010,2011 Imagination Technologies
  *
diff --git a/arch/metag/kernel/signal.c b/arch/metag/kernel/signal.c
index 338925d808e6..e64e8b0a9363 100644
--- a/arch/metag/kernel/signal.c
+++ b/arch/metag/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991,1992  Linus Torvalds
  *  Copyright (C) 2005-2012  Imagination Technologies Ltd.
diff --git a/arch/metag/kernel/sys_metag.c b/arch/metag/kernel/sys_metag.c
index efe833a452f7..27d96499dd38 100644
--- a/arch/metag/kernel/sys_metag.c
+++ b/arch/metag/kernel/sys_metag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains various random system calls that
  * have a non-standard calling sequence on the Linux/Meta
diff --git a/arch/metag/kernel/tbiunexp.S b/arch/metag/kernel/tbiunexp.S
index 907bbe0b2e68..2664808086c7 100644
--- a/arch/metag/kernel/tbiunexp.S
+++ b/arch/metag/kernel/tbiunexp.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Pass a breakpoint through to Codescape */
 
 #include <asm/tbx.h>
diff --git a/arch/metag/kernel/tcm.c b/arch/metag/kernel/tcm.c
index 5d102b31ce84..1d7b4e33b114 100644
--- a/arch/metag/kernel/tcm.c
+++ b/arch/metag/kernel/tcm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2010 Imagination Technologies Ltd.
  */
diff --git a/arch/metag/kernel/time.c b/arch/metag/kernel/time.c
index f1c8c53dace7..1e809e3b43d1 100644
--- a/arch/metag/kernel/time.c
+++ b/arch/metag/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2005-2013 Imagination Technologies Ltd.
  *
diff --git a/arch/metag/kernel/user_gateway.S b/arch/metag/kernel/user_gateway.S
index 7167f3e8db6b..7833fb8f9ddd 100644
--- a/arch/metag/kernel/user_gateway.S
+++ b/arch/metag/kernel/user_gateway.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2010 Imagination Technologies Ltd.
  *
diff --git a/arch/metag/kernel/vmlinux.lds.S b/arch/metag/kernel/vmlinux.lds.S
index e6c700eaf207..1efadae2ea8e 100644
--- a/arch/metag/kernel/vmlinux.lds.S
+++ b/arch/metag/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make Meta Linux kernel */
 
 #include <asm/thread_info.h>
diff --git a/arch/metag/lib/Makefile b/arch/metag/lib/Makefile
index a41d24e270e6..3982850d692c 100644
--- a/arch/metag/lib/Makefile
+++ b/arch/metag/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Meta-specific library files.
 #
diff --git a/arch/metag/lib/ashldi3.S b/arch/metag/lib/ashldi3.S
index 78d6974cffef..5055df9e5c7b 100644
--- a/arch/metag/lib/ashldi3.S
+++ b/arch/metag/lib/ashldi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit arithmetic shift left routine.
diff --git a/arch/metag/lib/ashrdi3.S b/arch/metag/lib/ashrdi3.S
index 7cb7ed3bb1ad..0c838fd9da85 100644
--- a/arch/metag/lib/ashrdi3.S
+++ b/arch/metag/lib/ashrdi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit arithmetic shift right routine.
diff --git a/arch/metag/lib/clear_page.S b/arch/metag/lib/clear_page.S
index 43144eebec55..87756a5d1367 100644
--- a/arch/metag/lib/clear_page.S
+++ b/arch/metag/lib/clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
         ! Copyright 2007,2008,2009 Imagination Technologies Ltd.
 
 #include <asm/page.h>
diff --git a/arch/metag/lib/cmpdi2.S b/arch/metag/lib/cmpdi2.S
index 9c5c663c5aea..ab70bd94fd81 100644
--- a/arch/metag/lib/cmpdi2.S
+++ b/arch/metag/lib/cmpdi2.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit signed compare routine.
diff --git a/arch/metag/lib/copy_page.S b/arch/metag/lib/copy_page.S
index 91f7d461239c..abbc75e94374 100644
--- a/arch/metag/lib/copy_page.S
+++ b/arch/metag/lib/copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
         ! Copyright 2007,2008 Imagination Technologies Ltd.
 
 #include <asm/page.h>
diff --git a/arch/metag/lib/delay.c b/arch/metag/lib/delay.c
index 0b308f48b37a..6754012a261f 100644
--- a/arch/metag/lib/delay.c
+++ b/arch/metag/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Precise Delay Loops for Meta
  *
diff --git a/arch/metag/lib/div64.S b/arch/metag/lib/div64.S
index 1cfc93498f70..55eece273a6b 100644
--- a/arch/metag/lib/div64.S
+++ b/arch/metag/lib/div64.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 Imagination Technologies Ltd.
 !
 ! Signed/unsigned 64-bit division routines.
diff --git a/arch/metag/lib/divsi3.S b/arch/metag/lib/divsi3.S
index 11124cc93dee..9e31abefb160 100644
--- a/arch/metag/lib/divsi3.S
+++ b/arch/metag/lib/divsi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
 !               Imagination Technologies Ltd
 !
diff --git a/arch/metag/lib/ip_fast_csum.S b/arch/metag/lib/ip_fast_csum.S
index 533b1e73deac..441f489d6a81 100644
--- a/arch/metag/lib/ip_fast_csum.S
+++ b/arch/metag/lib/ip_fast_csum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 	.text
 /*
diff --git a/arch/metag/lib/lshrdi3.S b/arch/metag/lib/lshrdi3.S
index 47f720283077..cf7ffc9b377f 100644
--- a/arch/metag/lib/lshrdi3.S
+++ b/arch/metag/lib/lshrdi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit logical shift right routine.
diff --git a/arch/metag/lib/memcpy.S b/arch/metag/lib/memcpy.S
index 46b7a2b9479e..c2e8395f9456 100644
--- a/arch/metag/lib/memcpy.S
+++ b/arch/metag/lib/memcpy.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 !   Copyright (C) 2008-2012 Imagination Technologies Ltd.
 
 	.text
diff --git a/arch/metag/lib/memmove.S b/arch/metag/lib/memmove.S
index 228ea04d7b39..934abda0e680 100644
--- a/arch/metag/lib/memmove.S
+++ b/arch/metag/lib/memmove.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 !   Copyright (C) 2008-2012 Imagination Technologies Ltd.
 
 	.text
diff --git a/arch/metag/lib/memset.S b/arch/metag/lib/memset.S
index 721085bad1d2..6ee246d831c7 100644
--- a/arch/metag/lib/memset.S
+++ b/arch/metag/lib/memset.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 !   Copyright (C) 2008-2012 Imagination Technologies Ltd.
 
 	.text
diff --git a/arch/metag/lib/modsi3.S b/arch/metag/lib/modsi3.S
index 210cfa856593..d65a2e5b3154 100644
--- a/arch/metag/lib/modsi3.S
+++ b/arch/metag/lib/modsi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
 !               Imagination Technologies Ltd
 !
diff --git a/arch/metag/lib/muldi3.S b/arch/metag/lib/muldi3.S
index ee66ca8644d0..9d106790244d 100644
--- a/arch/metag/lib/muldi3.S
+++ b/arch/metag/lib/muldi3.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit multiply routine.
diff --git a/arch/metag/lib/ucmpdi2.S b/arch/metag/lib/ucmpdi2.S
index 6f3347f7daeb..46f5686db8b1 100644
--- a/arch/metag/lib/ucmpdi2.S
+++ b/arch/metag/lib/ucmpdi2.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! Copyright (C) 2012 by Imagination Technologies Ltd.
 !
 ! 64-bit unsigned compare routine.
diff --git a/arch/metag/lib/usercopy.c b/arch/metag/lib/usercopy.c
index c941abdb8f85..a48ef522c02d 100644
--- a/arch/metag/lib/usercopy.c
+++ b/arch/metag/lib/usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User address space access functions.
  * The non-inlined parts of asm-metag/uaccess.h are here.
diff --git a/arch/metag/mm/Kconfig b/arch/metag/mm/Kconfig
index 03fb8f1555a1..9d4b2c67dcc1 100644
--- a/arch/metag/mm/Kconfig
+++ b/arch/metag/mm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Memory management options"
 
 config PAGE_OFFSET
diff --git a/arch/metag/mm/Makefile b/arch/metag/mm/Makefile
index 994331164125..0c7c91ba9fb9 100644
--- a/arch/metag/mm/Makefile
+++ b/arch/metag/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux Meta-specific parts of the memory manager.
 #
diff --git a/arch/metag/mm/extable.c b/arch/metag/mm/extable.c
index 3aa90b78b43d..9b92d3ad7f9c 100644
--- a/arch/metag/mm/extable.c
+++ b/arch/metag/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/extable.h>
 #include <linux/uaccess.h>
 
diff --git a/arch/metag/mm/fault.c b/arch/metag/mm/fault.c
index 5055477486b6..de54fe686080 100644
--- a/arch/metag/mm/fault.c
+++ b/arch/metag/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Meta page fault handling.
  *
diff --git a/arch/metag/mm/highmem.c b/arch/metag/mm/highmem.c
index f19a87f2c1ec..83527fc7c8a7 100644
--- a/arch/metag/mm/highmem.c
+++ b/arch/metag/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/highmem.h>
 #include <linux/sched.h>
diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c
index 67fd53e2935a..012ee4c80dc7 100644
--- a/arch/metag/mm/hugetlbpage.c
+++ b/arch/metag/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/metag/mm/hugetlbpage.c
  *
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index 188d4d9fbed4..0e2ca9058998 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 2005,2006,2007,2008,2009,2010 Imagination Technologies
  *
diff --git a/arch/metag/mm/ioremap.c b/arch/metag/mm/ioremap.c
index a136a435fdaa..df2b59cb02eb 100644
--- a/arch/metag/mm/ioremap.c
+++ b/arch/metag/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Re-map IO memory to kernel address space so that we can access it.
  * Needed for memory-mapped I/O devices mapped outside our normal DRAM
diff --git a/arch/metag/mm/l2cache.c b/arch/metag/mm/l2cache.c
index c64ee615cf90..addffc58989c 100644
--- a/arch/metag/mm/l2cache.c
+++ b/arch/metag/mm/l2cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
diff --git a/arch/metag/mm/maccess.c b/arch/metag/mm/maccess.c
index eba2cfc935b1..c22755165df9 100644
--- a/arch/metag/mm/maccess.c
+++ b/arch/metag/mm/maccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * safe read and write memory routines callable while atomic
  *
diff --git a/arch/metag/mm/mmu-meta1.c b/arch/metag/mm/mmu-meta1.c
index 62ebab90924d..53190b13dc54 100644
--- a/arch/metag/mm/mmu-meta1.c
+++ b/arch/metag/mm/mmu-meta1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 2005,2006,2007,2008,2009 Imagination Technologies
  *
diff --git a/arch/metag/mm/mmu-meta2.c b/arch/metag/mm/mmu-meta2.c
index 81dcbb0bba34..8b668a69c980 100644
--- a/arch/metag/mm/mmu-meta2.c
+++ b/arch/metag/mm/mmu-meta2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2008,2009,2010,2011 Imagination Technologies Ltd.
  *
diff --git a/arch/metag/oprofile/Makefile b/arch/metag/oprofile/Makefile
index c9639d4734d6..dc92a4a3d618 100644
--- a/arch/metag/oprofile/Makefile
+++ b/arch/metag/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE)	+= oprofile.o
 
 oprofile-core-y	+= buffer_sync.o
diff --git a/arch/metag/oprofile/backtrace.h b/arch/metag/oprofile/backtrace.h
index c0fcc4265abb..60adb862aa2c 100644
--- a/arch/metag/oprofile/backtrace.h
+++ b/arch/metag/oprofile/backtrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METAG_OPROFILE_BACKTRACE_H
 #define _METAG_OPROFILE_BACKTRACE_H
 
diff --git a/arch/metag/tbx/Makefile b/arch/metag/tbx/Makefile
index e994239e518c..98bc5453cf24 100644
--- a/arch/metag/tbx/Makefile
+++ b/arch/metag/tbx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for TBX library files..
 #
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 1f6c486826a0..830ee7d42fa0 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 KBUILD_DEFCONFIG := mmu_defconfig
 
 ifeq ($(CONFIG_MMU),y)
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 91d2068da1b9..47f94cc383b6 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/microblaze/boot/Makefile
 #
diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile
index a3d2e42c3c97..1f77913d404d 100644
--- a/arch/microblaze/boot/dts/Makefile
+++ b/arch/microblaze/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 
 obj-y += linked_dtb.o
diff --git a/arch/microblaze/include/asm/asm-compat.h b/arch/microblaze/include/asm/asm-compat.h
index e7bc9dc11b57..c05259ce2d2c 100644
--- a/arch/microblaze/include/asm/asm-compat.h
+++ b/arch/microblaze/include/asm/asm-compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_ASM_COMPAT_H
 #define _ASM_MICROBLAZE_ASM_COMPAT_H
 
diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h
index 42ac382a09da..41e9aff23a62 100644
--- a/arch/microblaze/include/asm/atomic.h
+++ b/arch/microblaze/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_ATOMIC_H
 #define _ASM_MICROBLAZE_ATOMIC_H
 
diff --git a/arch/microblaze/include/asm/cmpxchg.h b/arch/microblaze/include/asm/cmpxchg.h
index 538afc0ab9f3..596300c74509 100644
--- a/arch/microblaze/include/asm/cmpxchg.h
+++ b/arch/microblaze/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_CMPXCHG_H
 #define _ASM_MICROBLAZE_CMPXCHG_H
 
diff --git a/arch/microblaze/include/asm/ftrace.h b/arch/microblaze/include/asm/ftrace.h
index da0144f40d99..5db7f4489f05 100644
--- a/arch/microblaze/include/asm/ftrace.h
+++ b/arch/microblaze/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_FTRACE
 #define _ASM_MICROBLAZE_FTRACE
 
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index a9dad9e5e132..2572077b04ea 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_FUTEX_H
 #define _ASM_MICROBLAZE_FUTEX_H
 
diff --git a/arch/microblaze/include/asm/hash.h b/arch/microblaze/include/asm/hash.h
index 753513ae8cb0..ef4741a40583 100644
--- a/arch/microblaze/include/asm/hash.h
+++ b/arch/microblaze/include/asm/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HASH_H
 #define _ASM_HASH_H
 
diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h
index 67925ef18cfa..332c78e15198 100644
--- a/arch/microblaze/include/asm/highmem.h
+++ b/arch/microblaze/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/microblaze/include/asm/kgdb.h b/arch/microblaze/include/asm/kgdb.h
index ad27acb2b15f..8dc5ebb07fd5 100644
--- a/arch/microblaze/include/asm/kgdb.h
+++ b/arch/microblaze/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __KERNEL__
 #ifndef __MICROBLAZE_KGDB_H__
 #define __MICROBLAZE_KGDB_H__
diff --git a/arch/microblaze/include/asm/mmu_context.h b/arch/microblaze/include/asm/mmu_context.h
index 0ccd8c402cd9..f74f9da07fdc 100644
--- a/arch/microblaze/include/asm/mmu_context.h
+++ b/arch/microblaze/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_MMU
 # include <asm/mmu_context_mm.h>
 #else
diff --git a/arch/microblaze/include/asm/seccomp.h b/arch/microblaze/include/asm/seccomp.h
index 204618a2ce84..95cdcabee28c 100644
--- a/arch/microblaze/include/asm/seccomp.h
+++ b/arch/microblaze/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MICROBLAZE_SECCOMP_H
 #define _ASM_MICROBLAZE_SECCOMP_H
 
diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h
index 04a5bece8168..220decd605a4 100644
--- a/arch/microblaze/include/asm/syscall.h
+++ b/arch/microblaze/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MICROBLAZE_SYSCALL_H
 #define __ASM_MICROBLAZE_SYSCALL_H
 
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index e098381af928..0da76fa1ab17 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile
 #
diff --git a/arch/microblaze/kernel/cpu/Makefile b/arch/microblaze/kernel/cpu/Makefile
index fceed4edea41..059afc75a976 100644
--- a/arch/microblaze/kernel/cpu/Makefile
+++ b/arch/microblaze/kernel/cpu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Build the appropriate CPU version support
 #
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 94700c5270a9..e63f154be964 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2009-2010 PetaLogix
  * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corporation
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index c48ff4ad2070..56bcf313121f 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 ENTRY(sys_call_table)
 	.long sys_restart_syscall	/* 0 - old "setup()" system call,
 					 * used for restarting */
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index 70c7ae6a3fb5..9fe7ab688ca5 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile
 #
diff --git a/arch/microblaze/lib/ashldi3.c b/arch/microblaze/lib/ashldi3.c
index 1af904cd972d..4d0f9481bdb7 100644
--- a/arch/microblaze/lib/ashldi3.c
+++ b/arch/microblaze/lib/ashldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/ashrdi3.c b/arch/microblaze/lib/ashrdi3.c
index 32c334c05d04..268098a962a1 100644
--- a/arch/microblaze/lib/ashrdi3.c
+++ b/arch/microblaze/lib/ashrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/cmpdi2.c b/arch/microblaze/lib/cmpdi2.c
index 67abc9ac1bd4..b3f89638518c 100644
--- a/arch/microblaze/lib/cmpdi2.c
+++ b/arch/microblaze/lib/cmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/divsi3.S b/arch/microblaze/lib/divsi3.S
index 595b02d6e86b..919fb69f8589 100644
--- a/arch/microblaze/lib/divsi3.S
+++ b/arch/microblaze/lib/divsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /*
diff --git a/arch/microblaze/lib/libgcc.h b/arch/microblaze/lib/libgcc.h
index ab077ef7e14b..a909366c202e 100644
--- a/arch/microblaze/lib/libgcc.h
+++ b/arch/microblaze/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LIBGCC_H
 #define __ASM_LIBGCC_H
 
diff --git a/arch/microblaze/lib/lshrdi3.c b/arch/microblaze/lib/lshrdi3.c
index adcb253f11c8..00eb8268227a 100644
--- a/arch/microblaze/lib/lshrdi3.c
+++ b/arch/microblaze/lib/lshrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/modsi3.S b/arch/microblaze/lib/modsi3.S
index 84e0bee6e8c7..64154865c1c5 100644
--- a/arch/microblaze/lib/modsi3.S
+++ b/arch/microblaze/lib/modsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /*
diff --git a/arch/microblaze/lib/muldi3.c b/arch/microblaze/lib/muldi3.c
index a3f9a03acdcd..8e6bc17e2cd3 100644
--- a/arch/microblaze/lib/muldi3.c
+++ b/arch/microblaze/lib/muldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/mulsi3.S b/arch/microblaze/lib/mulsi3.S
index 90bd7b93afe6..d6703a4d91f6 100644
--- a/arch/microblaze/lib/mulsi3.S
+++ b/arch/microblaze/lib/mulsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /*
diff --git a/arch/microblaze/lib/ucmpdi2.c b/arch/microblaze/lib/ucmpdi2.c
index d05f1585121c..c60e068ff8bb 100644
--- a/arch/microblaze/lib/ucmpdi2.c
+++ b/arch/microblaze/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/microblaze/lib/udivsi3.S b/arch/microblaze/lib/udivsi3.S
index 64cf57e4bb85..acdc667235c4 100644
--- a/arch/microblaze/lib/udivsi3.S
+++ b/arch/microblaze/lib/udivsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /*
diff --git a/arch/microblaze/lib/umodsi3.S b/arch/microblaze/lib/umodsi3.S
index 17d16bafae58..f4b814e88ce3 100644
--- a/arch/microblaze/lib/umodsi3.S
+++ b/arch/microblaze/lib/umodsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /*
diff --git a/arch/microblaze/mm/highmem.c b/arch/microblaze/mm/highmem.c
index ed4454c5ce35..d7569f77fa15 100644
--- a/arch/microblaze/mm/highmem.c
+++ b/arch/microblaze/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * highmem.c: virtual kernel memory mappings for high memory
  *
diff --git a/arch/microblaze/oprofile/Makefile b/arch/microblaze/oprofile/Makefile
index 0d0348c8af97..107f2f55d995 100644
--- a/arch/microblaze/oprofile/Makefile
+++ b/arch/microblaze/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # arch/microblaze/oprofile/Makefile
 #
diff --git a/arch/microblaze/pci/iomap.c b/arch/microblaze/pci/iomap.c
index 94149f5e6ebe..bde74af4c1cd 100644
--- a/arch/microblaze/pci/iomap.c
+++ b/arch/microblaze/pci/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ppc64 "iomap" interface implementation.
  *
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cb7fcc4216fd..5d3284d20678 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MIPS
 	bool
 	default y
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index 42a97c59200f..464af5e025d6 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/mips/Makefile.postlink b/arch/mips/Makefile.postlink
index 4b7f5a648c79..4eea4188cb20 100644
--- a/arch/mips/Makefile.postlink
+++ b/arch/mips/Makefile.postlink
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # Post-link MIPS pass
 # ===========================================================================
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 88b4d6a792c1..7d73f7f4202b 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # au1000-style gpio and interrupt controllers
 config ALCHEMY_GPIOINT_AU1000
 	bool
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c
index 7ba7ea0a22f8..a83c7b7e2eb1 100644
--- a/arch/mips/alchemy/common/clock.c
+++ b/arch/mips/alchemy/common/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy clocks.
  *
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index cd1ae29f95a3..efb318e03e0a 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DBAu1300 init and platform device setup.
  *
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 421bd5793f7e..7d3dfaa10231 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Db1550/Pb1550 board support
  *
diff --git a/arch/mips/alchemy/devboards/db1xxx.c b/arch/mips/alchemy/devboards/db1xxx.c
index c9ad28995cd2..e6d25aad8350 100644
--- a/arch/mips/alchemy/devboards/db1xxx.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy DB/PB1xxx board support.
  */
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index be139a0198b0..4640edab207c 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * devoard misc stuff.
  */
diff --git a/arch/mips/alchemy/devboards/platform.h b/arch/mips/alchemy/devboards/platform.h
index 5ac055d2cda9..23d98fc09a43 100644
--- a/arch/mips/alchemy/devboards/platform.h
+++ b/arch/mips/alchemy/devboards/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DEVBOARD_PLATFORM_H_
 #define _DEVBOARD_PLATFORM_H_
 
diff --git a/arch/mips/alchemy/devboards/pm.c b/arch/mips/alchemy/devboards/pm.c
index 93024dc6b314..73c77814687a 100644
--- a/arch/mips/alchemy/devboards/pm.c
+++ b/arch/mips/alchemy/devboards/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Development Board example suspend userspace interface.
  *
diff --git a/arch/mips/ar7/Makefile b/arch/mips/ar7/Makefile
index 7435e44b3964..cd51c6c6e686 100644
--- a/arch/mips/ar7/Makefile
+++ b/arch/mips/ar7/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-y := \
 	prom.o \
diff --git a/arch/mips/ath25/Kconfig b/arch/mips/ath25/Kconfig
index fc19dd57e42d..7070b4bcd01d 100644
--- a/arch/mips/ath25/Kconfig
+++ b/arch/mips/ath25/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SOC_AR5312
 	bool "Atheros AR5312/AR2312+ SoC support"
 	depends on ATH25
diff --git a/arch/mips/ath25/ar2315.h b/arch/mips/ath25/ar2315.h
index 877afe63eed5..fccc64f6db6c 100644
--- a/arch/mips/ath25/ar2315.h
+++ b/arch/mips/ath25/ar2315.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AR2315_H
 #define __AR2315_H
 
diff --git a/arch/mips/ath25/ar5312.h b/arch/mips/ath25/ar5312.h
index 470abb0052bd..67518a59ac3c 100644
--- a/arch/mips/ath25/ar5312.h
+++ b/arch/mips/ath25/ar5312.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AR5312_H
 #define __AR5312_H
 
diff --git a/arch/mips/ath25/devices.c b/arch/mips/ath25/devices.c
index 7a64567d1ac3..e1156347da53 100644
--- a/arch/mips/ath25/devices.c
+++ b/arch/mips/ath25/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/serial_8250.h>
diff --git a/arch/mips/ath25/devices.h b/arch/mips/ath25/devices.h
index 04d414115356..44cf690634b8 100644
--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATH25_DEVICES_H
 #define __ATH25_DEVICES_H
 
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index dfc60209dc63..9547cf1ea38d 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ATH79
 
 menu "Atheros AR71XX/AR724X/AR913X machine selection"
diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig
index e970fd9cf769..29471038d817 100644
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if BCM47XX
 
 config BCM47XX_SSB
diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
index 0367ac7286fe..bb96743bb92e 100644
--- a/arch/mips/bcm47xx/bcm47xx_private.h
+++ b/arch/mips/bcm47xx/bcm47xx_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCM47XX_PRIVATE_H_
 #define LINUX_BCM47XX_PRIVATE_H_
 
diff --git a/arch/mips/bcm47xx/board.c b/arch/mips/bcm47xx/board.c
index 8cbe60cc51d4..edfaef0d73a4 100644
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/string.h>
diff --git a/arch/mips/bcm47xx/buttons.c b/arch/mips/bcm47xx/buttons.c
index 8a760d801895..88a8fb2bbc71 100644
--- a/arch/mips/bcm47xx/buttons.c
+++ b/arch/mips/bcm47xx/buttons.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/input.h>
diff --git a/arch/mips/bcm47xx/leds.c b/arch/mips/bcm47xx/leds.c
index a35f1d5cde9f..d4f2407a42c6 100644
--- a/arch/mips/bcm47xx/leds.c
+++ b/arch/mips/bcm47xx/leds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/leds.h>
diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c
index e81ce4623070..1a8a07e7a563 100644
--- a/arch/mips/bcm47xx/workarounds.c
+++ b/arch/mips/bcm47xx/workarounds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/gpio.h>
diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
index a057fdf111c6..96ed735a4f4a 100644
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "CPU support"
 	depends on BCM63XX
 
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index 9019f54aee69..c69f297fc1df 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y		+= clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
 		   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
 		   dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \
diff --git a/arch/mips/bcm63xx/boards/Kconfig b/arch/mips/bcm63xx/boards/Kconfig
index c6aed33d893e..6ff0a7481081 100644
--- a/arch/mips/bcm63xx/boards/Kconfig
+++ b/arch/mips/bcm63xx/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Board support"
 	depends on BCM63XX
diff --git a/arch/mips/bmips/Kconfig b/arch/mips/bmips/Kconfig
index 2d60f25403de..63dfc695087b 100644
--- a/arch/mips/bmips/Kconfig
+++ b/arch/mips/bmips/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if BMIPS_GENERIC
 
 choice
diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c
index 06c6a5bd175d..f6728a8fd1c3 100644
--- a/arch/mips/boot/compressed/dbg.c
+++ b/arch/mips/boot/compressed/dbg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MIPS-specific debug support for pre-boot environment
  *
diff --git a/arch/mips/boot/compressed/string.c b/arch/mips/boot/compressed/string.c
index 9de9885acd0d..43beecc3587c 100644
--- a/arch/mips/boot/compressed/string.c
+++ b/arch/mips/boot/compressed/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/mips/boot/compressed/string.c
  *
diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c
index f7521142deda..b3043c08f769 100644
--- a/arch/mips/boot/compressed/uart-16550.c
+++ b/arch/mips/boot/compressed/uart-16550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 16550 compatible uart based serial debug support for zboot
  */
diff --git a/arch/mips/boot/compressed/uart-alchemy.c b/arch/mips/boot/compressed/uart-alchemy.c
index 4bee55b93f6a..8ec63011e7dc 100644
--- a/arch/mips/boot/compressed/uart-alchemy.c
+++ b/arch/mips/boot/compressed/uart-alchemy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/mach-au1x00/au1000.h>
 
 void putc(char c)
diff --git a/arch/mips/boot/compressed/uart-prom.c b/arch/mips/boot/compressed/uart-prom.c
index 1c3d51bc90bb..d6f0fee0a151 100644
--- a/arch/mips/boot/compressed/uart-prom.c
+++ b/arch/mips/boot/compressed/uart-prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 extern void prom_putchar(unsigned char ch);
 
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index cbac26ce063e..e0a4e939f843 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dts-dirs	+= brcm
 dts-dirs	+= cavium-octeon
 dts-dirs	+= img
diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index d61bc2aebf69..9e09cc4556b3 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_BCM93384WVG)		+= bcm93384wvg.dtb
 dtb-$(CONFIG_DT_BCM93384WVG_VIPER)	+= bcm93384wvg_viper.dtb
 dtb-$(CONFIG_DT_BCM96368MVWG)		+= bcm96368mvwg.dtb
diff --git a/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
index 2f2e80fdcde8..ed6023a91763 100644
--- a/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
+++ b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3368.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm3368.dtsi b/arch/mips/boot/dts/brcm/bcm3368.dtsi
index bee855cb8073..277cde02b744 100644
--- a/arch/mips/boot/dts/brcm/bcm3368.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3368.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi b/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
index aa406b43c65f..eb2a9c6ed604 100644
--- a/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi b/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
index a7bd8564e9f6..d7ad769a42fc 100644
--- a/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
index 430d35ca33d5..2bc0d8401ad6 100644
--- a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
+++ b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm63268.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi
index 7e6bf2cc0287..3b09f44e67fb 100644
--- a/arch/mips/boot/dts/brcm/bcm63268.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi
index 5633b9d90f55..644486fe4159 100644
--- a/arch/mips/boot/dts/brcm/bcm6328.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
index 702eae2a22a0..5e62190aa3d5 100644
--- a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
+++ b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6358.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm6358.dtsi b/arch/mips/boot/dts/brcm/bcm6358.dtsi
index f9d8d392162b..682df7fb7069 100644
--- a/arch/mips/boot/dts/brcm/bcm6358.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6358.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts b/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
index 480f2a5bf1da..3e83bee5b91e 100644
--- a/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
+++ b/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6362.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi
index c507da594f2f..a82a5e5de672 100644
--- a/arch/mips/boot/dts/brcm/bcm6362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6368.dtsi b/arch/mips/boot/dts/brcm/bcm6368.dtsi
index d0e3a70b32e2..7a72f59ae457 100644
--- a/arch/mips/boot/dts/brcm/bcm6368.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6368.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7125.dtsi b/arch/mips/boot/dts/brcm/bcm7125.dtsi
index 79f838ed96c5..2f9ef565e5d0 100644
--- a/arch/mips/boot/dts/brcm/bcm7125.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7125.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi
index da7bfa45a57d..02e426fe6013 100644
--- a/arch/mips/boot/dts/brcm/bcm7346.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7358.dtsi b/arch/mips/boot/dts/brcm/bcm7358.dtsi
index 9b05760453f0..1089d6ebc841 100644
--- a/arch/mips/boot/dts/brcm/bcm7358.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7358.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi
index 57b613c6acf2..4b87ebec407a 100644
--- a/arch/mips/boot/dts/brcm/bcm7360.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi
index c2a2843aaa9a..ca657df34b6d 100644
--- a/arch/mips/boot/dts/brcm/bcm7362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7420.dtsi b/arch/mips/boot/dts/brcm/bcm7420.dtsi
index 532fc8a15796..d262e11bc3f9 100644
--- a/arch/mips/boot/dts/brcm/bcm7420.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7420.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index f56fb25f2e6b..e4fb9b6e6dce 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index f2cead2eae5c..1484e8990e52 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm93384wvg.dts b/arch/mips/boot/dts/brcm/bcm93384wvg.dts
index d1e44a17d41a..601e4d9293ab 100644
--- a/arch/mips/boot/dts/brcm/bcm93384wvg.dts
+++ b/arch/mips/boot/dts/brcm/bcm93384wvg.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3384_zephyr.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts b/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
index 1ecb2696aca8..938a8e66128c 100644
--- a/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
+++ b/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3384_viper.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
index 8c71c6845730..6d772c394e41 100644
--- a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
+++ b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6368.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
index d72bc423ceaa..7f59ea2ded6c 100644
--- a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7125.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts b/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
index ea52d7b5772f..9e7d5228f2b7 100644
--- a/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7346.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97358svmb.dts b/arch/mips/boot/dts/brcm/bcm97358svmb.dts
index 71357fdc19af..708207a0002d 100644
--- a/arch/mips/boot/dts/brcm/bcm97358svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97358svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7358.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97360svmb.dts b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
index e2fed406c6ee..73c6dc9c8c6d 100644
--- a/arch/mips/boot/dts/brcm/bcm97360svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7360.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97362svmb.dts b/arch/mips/boot/dts/brcm/bcm97362svmb.dts
index 78bffdf11872..37bacfdcf9d9 100644
--- a/arch/mips/boot/dts/brcm/bcm97362svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97362svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7362.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97420c.dts b/arch/mips/boot/dts/brcm/bcm97420c.dts
index d62b448a152d..f96241e94874 100644
--- a/arch/mips/boot/dts/brcm/bcm97420c.dts
+++ b/arch/mips/boot/dts/brcm/bcm97420c.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7420.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97425svmb.dts b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
index 73aa006bd9ce..ce762c7b2e54 100644
--- a/arch/mips/boot/dts/brcm/bcm97425svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7425.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97435svmb.dts b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
index 0a915f3feab6..d4dd31a543fd 100644
--- a/arch/mips/boot/dts/brcm/bcm97435svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7435.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
index 3c24f97de922..96c30d857be4 100644
--- a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &nand {
 	nandcs@1 {
 		compatible = "brcm,nandcs";
diff --git a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
index cb531816ef4c..7b5afefbbfab 100644
--- a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &nand {
 	nandcs@1 {
 		compatible = "brcm,nandcs";
diff --git a/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts b/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
index 1da4608680aa..8d58c1971b30 100644
--- a/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
+++ b/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6328.dtsi"
diff --git a/arch/mips/boot/dts/cavium-octeon/Makefile b/arch/mips/boot/dts/cavium-octeon/Makefile
index 5b99c40a058f..35300e091573 100644
--- a/arch/mips/boot/dts/cavium-octeon/Makefile
+++ b/arch/mips/boot/dts/cavium-octeon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_CAVIUM_OCTEON_SOC)	+= octeon_3xxx.dtb octeon_68xx.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
index ca6b4467bcd3..0fa3dd1819ff 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OCTEON 3XXX, 5XXX, 63XX device tree skeleton.
  *
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
index 5302148e05a3..3c296623d870 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* OCTEON 3XXX DTS common parts. */
 
 /dts-v1/;
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts b/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
index 79b46fcb0a11..3d0acbb2e15f 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /*
  * OCTEON 68XX device tree skeleton.
diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile
index 3d70958d0f5a..139bcd887b86 100644
--- a/arch/mips/boot/dts/img/Makefile
+++ b/arch/mips/boot/dts/img/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_FIT_IMAGE_FDT_BOSTON)	+= boston.dtb
 
 dtb-$(CONFIG_MACH_PISTACHIO)	+= pistachio_marduk.dtb
diff --git a/arch/mips/boot/dts/img/boston.dts b/arch/mips/boot/dts/img/boston.dts
index 53bfa29a7093..2cd49b60e030 100644
--- a/arch/mips/boot/dts/img/boston.dts
+++ b/arch/mips/boot/dts/img/boston.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/clock/boston-clock.h>
diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
index f2b864f07850..7798262570da 100644
--- a/arch/mips/boot/dts/ingenic/Makefile
+++ b/arch/mips/boot/dts/ingenic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_JZ4740_QI_LB60)	+= qi_lb60.dtb
 dtb-$(CONFIG_JZ4780_CI20)	+= ci20.dtb
 
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 6c381844929c..a4cc52214dbd 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "jz4780.dtsi"
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 2ca7ce7481f1..cd5185bb90ae 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/jz4740-cgu.h>
 
 / {
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index e906134ecaef..ff3298f29ec4 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/jz4780-cgu.h>
 
 / {
diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index b715ee2ac2ee..76aaf8982554 100644
--- a/arch/mips/boot/dts/ingenic/qi_lb60.dts
+++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "jz4740.dtsi"
diff --git a/arch/mips/boot/dts/lantiq/Makefile b/arch/mips/boot/dts/lantiq/Makefile
index 0906c62141b9..0c50e3246a63 100644
--- a/arch/mips/boot/dts/lantiq/Makefile
+++ b/arch/mips/boot/dts/lantiq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_EASY50712)	+= easy50712.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/lantiq/danube.dtsi b/arch/mips/boot/dts/lantiq/danube.dtsi
index d4c59e003708..2dd950181f8a 100644
--- a/arch/mips/boot/dts/lantiq/danube.dtsi
+++ b/arch/mips/boot/dts/lantiq/danube.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/lantiq/easy50712.dts b/arch/mips/boot/dts/lantiq/easy50712.dts
index b59962585dde..c37a33962f28 100644
--- a/arch/mips/boot/dts/lantiq/easy50712.dts
+++ b/arch/mips/boot/dts/lantiq/easy50712.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "danube.dtsi"
diff --git a/arch/mips/boot/dts/mti/Makefile b/arch/mips/boot/dts/mti/Makefile
index fcabd69b7030..5ee06f73c348 100644
--- a/arch/mips/boot/dts/mti/Makefile
+++ b/arch/mips/boot/dts/mti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_MIPS_MALTA)	+= malta.dtb
 dtb-$(CONFIG_LEGACY_BOARD_SEAD3)	+= sead3.dtb
 
diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts
index ffe3a1508e72..9944e716eac8 100644
--- a/arch/mips/boot/dts/mti/malta.dts
+++ b/arch/mips/boot/dts/mti/malta.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/arch/mips/boot/dts/mti/sead3.dts b/arch/mips/boot/dts/mti/sead3.dts
index 4f8bc83c2960..192c26ff1d3d 100644
--- a/arch/mips/boot/dts/mti/sead3.dts
+++ b/arch/mips/boot/dts/mti/sead3.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /memreserve/ 0x00000000 0x00001000;	// reserved
diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile
index 9868057140b5..1cb2fdbd8949 100644
--- a/arch/mips/boot/dts/netlogic/Makefile
+++ b/arch/mips/boot/dts/netlogic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_XLP_EVP)	+= xlp_evp.dtb
 dtb-$(CONFIG_DT_XLP_SVP)	+= xlp_svp.dtb
 dtb-$(CONFIG_DT_XLP_FVP)	+= xlp_fvp.dtb
diff --git a/arch/mips/boot/dts/netlogic/xlp_evp.dts b/arch/mips/boot/dts/netlogic/xlp_evp.dts
index ec16ec2d8d02..e63e55926e04 100644
--- a/arch/mips/boot/dts/netlogic/xlp_evp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_evp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP8XX Device Tree Source for EVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_fvp.dts b/arch/mips/boot/dts/netlogic/xlp_fvp.dts
index 4bcebe641d8e..d05abf13fb7d 100644
--- a/arch/mips/boot/dts/netlogic/xlp_fvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_fvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP2XX Device Tree Source for FVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_gvp.dts b/arch/mips/boot/dts/netlogic/xlp_gvp.dts
index b3ccb82ad7e4..d47de4851786 100644
--- a/arch/mips/boot/dts/netlogic/xlp_gvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_gvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP9XX Device Tree Source for GVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_rvp.dts b/arch/mips/boot/dts/netlogic/xlp_rvp.dts
index 3783639a318a..aa0faee194ec 100644
--- a/arch/mips/boot/dts/netlogic/xlp_rvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_rvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP5XX Device Tree Source for RVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_svp.dts b/arch/mips/boot/dts/netlogic/xlp_svp.dts
index 44d6640c1441..3bb0b2e08e4a 100644
--- a/arch/mips/boot/dts/netlogic/xlp_svp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_svp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP3XX Device Tree Source for SVP boards
  */
diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile
index 7ac790551ec9..a86ddd289cfd 100644
--- a/arch/mips/boot/dts/pic32/Makefile
+++ b/arch/mips/boot/dts/pic32/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DTB_PIC32_MZDA_SK)		+= pic32mzda_sk.dtb
 
 dtb-$(CONFIG_DTB_PIC32_NONE)		+= \
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 63a9ddf048c9..eabd94eb59db 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # All DTBs
 dtb-$(CONFIG_ATH79)			+= ar9132_tl_wr1043nd_v1.dtb
 dtb-$(CONFIG_ATH79)			+= ar9331_dpt_module.dtb
diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi
index 302f0a8d2988..1fe561c5f90e 100644
--- a/arch/mips/boot/dts/qca/ar9132.dtsi
+++ b/arch/mips/boot/dts/qca/ar9132.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/ath79-clk.h>
 
 / {
diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
index 3c3b7ce5737b..3931033e47c8 100644
--- a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
+++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
index cf47ed4d8569..efd5f0722206 100644
--- a/arch/mips/boot/dts/qca/ar9331.dtsi
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/ath79-clk.h>
 
 / {
diff --git a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
index 98e74500e79d..d4e4502daaa8 100644
--- a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
index 56f832076a69..4f95ccf17c4c 100644
--- a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_omega.dts b/arch/mips/boot/dts/qca/ar9331_omega.dts
index b2be3b04479d..f70f79c4d0d5 100644
--- a/arch/mips/boot/dts/qca/ar9331_omega.dts
+++ b/arch/mips/boot/dts/qca/ar9331_omega.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
index 919cf3b854a5..748131aea22e 100644
--- a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
+++ b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index 55e2937b61f3..a80eeeecf613 100644
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DTB_RT2880_EVAL)	+= rt2880_eval.dtb
 dtb-$(CONFIG_DTB_RT305X_EVAL)	+= rt3052_eval.dtb
 dtb-$(CONFIG_DTB_RT3883_EVAL)	+= rt3883_eval.dtb
diff --git a/arch/mips/boot/dts/ralink/mt7620a.dtsi b/arch/mips/boot/dts/ralink/mt7620a.dtsi
index 793c0c7ca921..1f6e5320f486 100644
--- a/arch/mips/boot/dts/ralink/mt7620a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7620a.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/mt7620a_eval.dts b/arch/mips/boot/dts/ralink/mt7620a_eval.dts
index 709f58132f5c..8de8f89f31b8 100644
--- a/arch/mips/boot/dts/ralink/mt7620a_eval.dts
+++ b/arch/mips/boot/dts/ralink/mt7620a_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "mt7620a.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt2880.dtsi b/arch/mips/boot/dts/ralink/rt2880.dtsi
index fb2faef0ab79..8fc1987d9063 100644
--- a/arch/mips/boot/dts/ralink/rt2880.dtsi
+++ b/arch/mips/boot/dts/ralink/rt2880.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt2880_eval.dts b/arch/mips/boot/dts/ralink/rt2880_eval.dts
index 0a685db093d4..759bc1dd5b83 100644
--- a/arch/mips/boot/dts/ralink/rt2880_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt2880_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "rt2880.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt3050.dtsi b/arch/mips/boot/dts/ralink/rt3050.dtsi
index d3cb57f985da..23062333a76d 100644
--- a/arch/mips/boot/dts/ralink/rt3050.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3050.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt3052_eval.dts b/arch/mips/boot/dts/ralink/rt3052_eval.dts
index ec9e9a035541..674efdd42e74 100644
--- a/arch/mips/boot/dts/ralink/rt3052_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt3052_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "rt3050.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt3883.dtsi b/arch/mips/boot/dts/ralink/rt3883.dtsi
index 3d6fc9afdaf6..61132cf157e5 100644
--- a/arch/mips/boot/dts/ralink/rt3883.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3883.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt3883_eval.dts b/arch/mips/boot/dts/ralink/rt3883_eval.dts
index e8df21a5d10d..c22bc84df219 100644
--- a/arch/mips/boot/dts/ralink/rt3883_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt3883_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "rt3883.dtsi"
diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
index 913a752a9ff1..498ac081e2fe 100644
--- a/arch/mips/boot/dts/xilfpga/Makefile
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_XILFPGA_NEXYS4DDR)	+= nexys4ddr.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/xilfpga/microAptiv.dtsi b/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
index 81d518e75785..87b2b1f9a1b0 100644
--- a/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
+++ b/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
index 09a62f2e2f8f..41fee03dc312 100644
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "microAptiv.dtsi"
diff --git a/arch/mips/boot/ecoff.h b/arch/mips/boot/ecoff.h
index 7a75ce2c1bcd..b3e73c22c345 100644
--- a/arch/mips/boot/ecoff.h
+++ b/arch/mips/boot/ecoff.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Some ECOFF definitions.
  */
diff --git a/arch/mips/boot/tools/Makefile b/arch/mips/boot/tools/Makefile
index d232a68f6c8a..5f8e737348eb 100644
--- a/arch/mips/boot/tools/Makefile
+++ b/arch/mips/boot/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 hostprogs-y	+= relocs
 relocs-objs	+= relocs_32.o
diff --git a/arch/mips/boot/tools/relocs.c b/arch/mips/boot/tools/relocs.c
index b9cbf78527e8..1bf53f3524b3 100644
--- a/arch/mips/boot/tools/relocs.c
+++ b/arch/mips/boot/tools/relocs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* This is included from relocs_32/64.c */
 
 #define ElfW(type)		_ElfW(ELF_BITS, type)
diff --git a/arch/mips/boot/tools/relocs.h b/arch/mips/boot/tools/relocs.h
index 3cf676f49e18..607ff0103064 100644
--- a/arch/mips/boot/tools/relocs.h
+++ b/arch/mips/boot/tools/relocs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RELOCS_H
 #define RELOCS_H
 
diff --git a/arch/mips/boot/tools/relocs_32.c b/arch/mips/boot/tools/relocs_32.c
index 915bdc07f5ed..428bea489303 100644
--- a/arch/mips/boot/tools/relocs_32.c
+++ b/arch/mips/boot/tools/relocs_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 32
diff --git a/arch/mips/boot/tools/relocs_64.c b/arch/mips/boot/tools/relocs_64.c
index 06066e6ac2f9..154015d745d6 100644
--- a/arch/mips/boot/tools/relocs_64.c
+++ b/arch/mips/boot/tools/relocs_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 64
diff --git a/arch/mips/boot/tools/relocs_main.c b/arch/mips/boot/tools/relocs_main.c
index d8fe2343b8d0..e2453a564b11 100644
--- a/arch/mips/boot/tools/relocs_main.c
+++ b/arch/mips/boot/tools/relocs_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <stdio.h>
 #include <stdint.h>
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 5c0b56203bae..204a1670fd9b 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if CPU_CAVIUM_OCTEON
 
 config CAVIUM_CN63XXP1
diff --git a/arch/mips/cavium-octeon/crypto/Makefile b/arch/mips/cavium-octeon/crypto/Makefile
index f7aa9d5d3b87..db26c73fa0ed 100644
--- a/arch/mips/cavium-octeon/crypto/Makefile
+++ b/arch/mips/cavium-octeon/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # OCTEON-specific crypto modules.
 #
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index cea2bb1621e6..a25ef822e725 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995, 1996, 1997 Paul M. Antoine and Harald Koerfgen
  * Copyright (C) 2000, 2001, 2002, 2003, 2005  Maciej W. Rozycki
diff --git a/arch/mips/dec/prom/cmdline.c b/arch/mips/dec/prom/cmdline.c
index c3490bebbc5d..3ed63280ae29 100644
--- a/arch/mips/dec/prom/cmdline.c
+++ b/arch/mips/dec/prom/cmdline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cmdline.c: read the command line passed to us by the PROM.
  *
diff --git a/arch/mips/dec/prom/dectypes.h b/arch/mips/dec/prom/dectypes.h
index 69ea5b9c8190..9fcbcc7cdbd3 100644
--- a/arch/mips/dec/prom/dectypes.h
+++ b/arch/mips/dec/prom/dectypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECTYPES
 #define DECTYPES
 
diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c
index 0c14a9d6a84a..80cd14cd1a63 100644
--- a/arch/mips/dec/prom/identify.c
+++ b/arch/mips/dec/prom/identify.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * identify.c: machine identification code.
  *
diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c
index d88eb7a6662b..cc988bbd27fc 100644
--- a/arch/mips/dec/prom/init.c
+++ b/arch/mips/dec/prom/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * init.c: PROM library initialisation code.
  *
diff --git a/arch/mips/dec/prom/locore.S b/arch/mips/dec/prom/locore.S
index f72b5741025f..0eb8fab62ab0 100644
--- a/arch/mips/dec/prom/locore.S
+++ b/arch/mips/dec/prom/locore.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * locore.S
  */
diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c
index 8c62316f22f4..a2acc6454cf3 100644
--- a/arch/mips/dec/prom/memory.c
+++ b/arch/mips/dec/prom/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * memory.c: memory initialisation code.
  *
diff --git a/arch/mips/dec/reset.c b/arch/mips/dec/reset.c
index c15a879046e5..3df01f1da347 100644
--- a/arch/mips/dec/reset.c
+++ b/arch/mips/dec/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Reset a DECstation machine.
  *
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 1914e56f0d96..a2a150e4fbc2 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
  *  Copyright (C) 2000, 2003  Maciej W. Rozycki
diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile
index 4f349ec1ea2d..31dd7305d643 100644
--- a/arch/mips/fw/arc/Makefile
+++ b/arch/mips/fw/arc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ARC prom monitor library routines under Linux.
 #
diff --git a/arch/mips/fw/arc/arc_con.c b/arch/mips/fw/arc/arc_con.c
index bc32fe64f42a..769d4b9ac82e 100644
--- a/arch/mips/fw/arc/arc_con.c
+++ b/arch/mips/fw/arc/arc_con.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Wrap-around code for a console using the
  * ARC io-routines.
diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index 0d75b5a0bad4..dd9496f26e6a 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * memory.c: PROM library functions for acquiring/using memory descriptors
  *	     given to us from the ARCS firmware.
diff --git a/arch/mips/fw/arc/salone.c b/arch/mips/fw/arc/salone.c
index 9b568950d1fd..2d99f44d5576 100644
--- a/arch/mips/fw/arc/salone.c
+++ b/arch/mips/fw/arc/salone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Routines to load into memory and execute stand-along program images using
  * ARCS PROM firmware.
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index e0436aaf7f38..0b67c46666cc 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MIPS_GENERIC
 
 config LEGACY_BOARDS
diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
index f67fbf1c8541..1a08438fd893 100644
--- a/arch/mips/generic/vmlinux.its.S
+++ b/arch/mips/generic/vmlinux.its.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /dts-v1/;
 
 / {
diff --git a/arch/mips/include/asm/asm-prototypes.h b/arch/mips/include/asm/asm-prototypes.h
index 6e28971fe73a..d60b57f34e92 100644
--- a/arch/mips/include/asm/asm-prototypes.h
+++ b/arch/mips/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/checksum.h>
 #include <asm/page.h>
 #include <asm/fpu.h>
diff --git a/arch/mips/include/asm/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h
index 0ef39ad0f2d4..1c08c1f7903c 100644
--- a/arch/mips/include/asm/asmmacro-32.h
+++ b/arch/mips/include/asm/asmmacro-32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asmmacro.h: Assembler macros to make things easier to read.
  *
diff --git a/arch/mips/include/asm/asmmacro-64.h b/arch/mips/include/asm/asmmacro-64.h
index 38ea609465b1..68039dee5ba6 100644
--- a/arch/mips/include/asm/asmmacro-64.h
+++ b/arch/mips/include/asm/asmmacro-64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asmmacro.h: Assembler macros to make things easier to read.
  *
diff --git a/arch/mips/include/asm/bitrev.h b/arch/mips/include/asm/bitrev.h
index bc739a404ae3..8a2538e08a4e 100644
--- a/arch/mips/include/asm/bitrev.h
+++ b/arch/mips/include/asm/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MIPS_ASM_BITREV_H__
 #define __MIPS_ASM_BITREV_H__
 
diff --git a/arch/mips/include/asm/bmips-spaces.h b/arch/mips/include/asm/bmips-spaces.h
index eb96541ae67e..febc4c30a308 100644
--- a/arch/mips/include/asm/bmips-spaces.h
+++ b/arch/mips/include/asm/bmips-spaces.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BMIPS_SPACES_H
 #define __ASM_BMIPS_SPACES_H
 
diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 540c98a810d1..745dc160a069 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BUG_H
 #define __ASM_BUG_H
 
diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h
index b160a706795d..d8ab8b7129b5 100644
--- a/arch/mips/include/asm/bugs.h
+++ b/arch/mips/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is included by init/main.c to check for architecture-dependent bugs.
  *
diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h
index 4809c29a4890..5a8f96ebe5fa 100644
--- a/arch/mips/include/asm/clock.h
+++ b/arch/mips/include/asm/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MIPS_CLOCK_H
 #define __ASM_MIPS_CLOCK_H
 
diff --git a/arch/mips/include/asm/cmp.h b/arch/mips/include/asm/cmp.h
index 033d97303c85..e9e87504bb0c 100644
--- a/arch/mips/include/asm/cmp.h
+++ b/arch/mips/include/asm/cmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CMP_H
 #define _ASM_CMP_H
 
diff --git a/arch/mips/include/asm/compat-signal.h b/arch/mips/include/asm/compat-signal.h
index 4c6176467146..e87cd243b0f4 100644
--- a/arch/mips/include/asm/compat-signal.h
+++ b/arch/mips/include/asm/compat-signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_COMPAT_SIGNAL_H
 #define __ASM_COMPAT_SIGNAL_H
 
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index a9580097cba8..8e2b5b556488 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_COMPAT_H
 #define _ASM_COMPAT_H
 /*
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index ece9b84f3bcb..d39324c4adf1 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cpu.h: Values of the PRId register used to match up
  *	  various MIPS cpu types.
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index aba71385f9d1..42f8cbad6c23 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_DMA_MAPPING_H
 #define _ASM_DMA_MAPPING_H
 
diff --git a/arch/mips/include/asm/dma.h b/arch/mips/include/asm/dma.h
index 5b9ed1bffdbc..be726b943530 100644
--- a/arch/mips/include/asm/dma.h
+++ b/arch/mips/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm/dma.h: Defines for using and allocating dma channels.
  * Written by Hennus Bergman, 1992.
diff --git a/arch/mips/include/asm/edac.h b/arch/mips/include/asm/edac.h
index 980b16527374..fc467767329b 100644
--- a/arch/mips/include/asm/edac.h
+++ b/arch/mips/include/asm/edac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_EDAC_H
 #define ASM_EDAC_H
 
diff --git a/arch/mips/include/asm/extable.h b/arch/mips/include/asm/extable.h
index dce7a627a925..78d0ae156058 100644
--- a/arch/mips/include/asm/extable.h
+++ b/arch/mips/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EXTABLE_H
 #define _ASM_EXTABLE_H
 
diff --git a/arch/mips/include/asm/fw/arc/hinv.h b/arch/mips/include/asm/fw/arc/hinv.h
index 9fac64a26353..d67b6a90f9b3 100644
--- a/arch/mips/include/asm/fw/arc/hinv.h
+++ b/arch/mips/include/asm/fw/arc/hinv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ARCS hardware/memory inventory/configuration and system ID definitions.
  */
diff --git a/arch/mips/include/asm/gio_device.h b/arch/mips/include/asm/gio_device.h
index 71a986e9b694..c52948f9ca95 100644
--- a/arch/mips/include/asm/gio_device.h
+++ b/arch/mips/include/asm/gio_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 
diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h
index 279b6d14ffeb..9d84aafc33d0 100644
--- a/arch/mips/include/asm/highmem.h
+++ b/arch/mips/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/mips/include/asm/hpet.h b/arch/mips/include/asm/hpet.h
index 18a8f778bfaa..d47268eceabc 100644
--- a/arch/mips/include/asm/hpet.h
+++ b/arch/mips/include/asm/hpet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HPET_H
 #define _ASM_HPET_H
 
diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h
index a2d18ab57ac6..655a6dbc861a 100644
--- a/arch/mips/include/asm/idle.h
+++ b/arch/mips/include/asm/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IDLE_H
 #define __ASM_IDLE_H
 
diff --git a/arch/mips/include/asm/isadep.h b/arch/mips/include/asm/isadep.h
index b4af6eb24ab9..d1683202399b 100644
--- a/arch/mips/include/asm/isadep.h
+++ b/arch/mips/include/asm/isadep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Various ISA level dependent constants.
  * Most of the following constants reflect the different layout
diff --git a/arch/mips/include/asm/jazzdma.h b/arch/mips/include/asm/jazzdma.h
index 2cefc3c47241..d913439c738c 100644
--- a/arch/mips/include/asm/jazzdma.h
+++ b/arch/mips/include/asm/jazzdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Helpfile for jazzdma.c -- Mips Jazz R4030 DMA controller support
  */
diff --git a/arch/mips/include/asm/kdebug.h b/arch/mips/include/asm/kdebug.h
index 8e3d08e739c1..a55a207cfaa3 100644
--- a/arch/mips/include/asm/kdebug.h
+++ b/arch/mips/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MIPS_KDEBUG_H
 #define _ASM_MIPS_KDEBUG_H
 
diff --git a/arch/mips/include/asm/kgdb.h b/arch/mips/include/asm/kgdb.h
index 69dc0df94a96..4f2302267deb 100644
--- a/arch/mips/include/asm/kgdb.h
+++ b/arch/mips/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_KGDB_H_
 #define __ASM_KGDB_H_
 
diff --git a/arch/mips/include/asm/kmap_types.h b/arch/mips/include/asm/kmap_types.h
index c1909dcada39..16665dc2431b 100644
--- a/arch/mips/include/asm/kmap_types.h
+++ b/arch/mips/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/mips/include/asm/kvm_para.h b/arch/mips/include/asm/kvm_para.h
index 5a9aa918abe6..60b1aa0b7014 100644
--- a/arch/mips/include/asm/kvm_para.h
+++ b/arch/mips/include/asm/kvm_para.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MIPS_KVM_PARA_H
 #define _ASM_MIPS_KVM_PARA_H
 
diff --git a/arch/mips/include/asm/lasat/ds1603.h b/arch/mips/include/asm/lasat/ds1603.h
index edcd7544b358..ab833be9637d 100644
--- a/arch/mips/include/asm/lasat/ds1603.h
+++ b/arch/mips/include/asm/lasat/ds1603.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/addrspace.h>
 
 /* Lasat 100	*/
diff --git a/arch/mips/include/asm/lasat/eeprom.h b/arch/mips/include/asm/lasat/eeprom.h
index d918b822e376..24001a5cbb11 100644
--- a/arch/mips/include/asm/lasat/eeprom.h
+++ b/arch/mips/include/asm/lasat/eeprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/addrspace.h>
 
 /* lasat 100 */
diff --git a/arch/mips/include/asm/lasat/head.h b/arch/mips/include/asm/lasat/head.h
index f5589f31a197..20b0ecedd4b5 100644
--- a/arch/mips/include/asm/lasat/head.h
+++ b/arch/mips/include/asm/lasat/head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Image header stuff
  */
diff --git a/arch/mips/include/asm/lasat/lasatint.h b/arch/mips/include/asm/lasat/lasatint.h
index e0d2458b43d0..b2b346e0ca38 100644
--- a/arch/mips/include/asm/lasat/lasatint.h
+++ b/arch/mips/include/asm/lasat/lasatint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LASAT_LASATINT_H
 #define __ASM_LASAT_LASATINT_H
 
diff --git a/arch/mips/include/asm/lasat/picvue.h b/arch/mips/include/asm/lasat/picvue.h
index 42a492edc40e..99987c5a4b83 100644
--- a/arch/mips/include/asm/lasat/picvue.h
+++ b/arch/mips/include/asm/lasat/picvue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Lasat 100 */
 #define PVC_REG_100		KSEG1ADDR(0x1c820000)
 #define PVC_DATA_SHIFT_100	0
diff --git a/arch/mips/include/asm/lasat/serial.h b/arch/mips/include/asm/lasat/serial.h
index a2f6c7a9cfe8..7b43d74089d1 100644
--- a/arch/mips/include/asm/lasat/serial.h
+++ b/arch/mips/include/asm/lasat/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/lasat/lasat.h>
 
 /* Lasat 100 boards serial configuration */
diff --git a/arch/mips/include/asm/linkage.h b/arch/mips/include/asm/linkage.h
index 99651b0ea7c7..1829c2b6da6c 100644
--- a/arch/mips/include/asm/linkage.h
+++ b/arch/mips/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
index 8feaed62a2ab..ac8264eca1e9 100644
--- a/arch/mips/include/asm/local.h
+++ b/arch/mips/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_MIPS_LOCAL_H
 #define _ARCH_MIPS_LOCAL_H
 
diff --git a/arch/mips/include/asm/m48t37.h b/arch/mips/include/asm/m48t37.h
index e6eaf5339e4e..3687a02e692b 100644
--- a/arch/mips/include/asm/m48t37.h
+++ b/arch/mips/include/asm/m48t37.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
  */
diff --git a/arch/mips/include/asm/mach-ath25/ath25_platform.h b/arch/mips/include/asm/mach-ath25/ath25_platform.h
index 4f4ee4f9e5ec..0aacc55aa51d 100644
--- a/arch/mips/include/asm/mach-ath25/ath25_platform.h
+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_ATH25_PLATFORM_H
 #define __ASM_MACH_ATH25_PLATFORM_H
 
diff --git a/arch/mips/include/asm/mach-au1x00/au1200fb.h b/arch/mips/include/asm/mach-au1x00/au1200fb.h
index b3c87cc64bb9..e0e98f06c642 100644
--- a/arch/mips/include/asm/mach-au1x00/au1200fb.h
+++ b/arch/mips/include/asm/mach-au1x00/au1200fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * platform data for au1200fb driver.
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1550_spi.h b/arch/mips/include/asm/mach-au1x00/au1550_spi.h
index 08e1958e9410..fe6ca4606d77 100644
--- a/arch/mips/include/asm/mach-au1x00/au1550_spi.h
+++ b/arch/mips/include/asm/mach-au1x00/au1550_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * au1550_spi.h - Au1550 PSC SPI controller driver - platform data structure
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1550nd.h b/arch/mips/include/asm/mach-au1x00/au1550nd.h
index ad4c0a03afef..d26dc1dadf44 100644
--- a/arch/mips/include/asm/mach-au1x00/au1550nd.h
+++ b/arch/mips/include/asm/mach-au1x00/au1550nd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * platform data for the Au1550 NAND driver
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
index 49dc8d9db186..9d1c8d5ed4a8 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AU1X00_ETH_DATA_H
 #define __AU1X00_ETH_DATA_H
 
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
index d607d643b973..d25846a1291f 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * gpio-au1300.h -- GPIO control for Au1300 GPIC and compatibles.
  *
diff --git a/arch/mips/include/asm/mach-au1x00/prom.h b/arch/mips/include/asm/mach-au1x00/prom.h
index 4c0e09cf1735..c62ee0246d76 100644
--- a/arch/mips/include/asm/mach-au1x00/prom.h
+++ b/arch/mips/include/asm/mach-au1x00/prom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AU1X00_PROM_H
 #define __AU1X00_PROM_H
 
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
index ee3d4fe515a0..cbf9da7f2f94 100644
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM47XX_BOARD_H
 #define __BCM47XX_BOARD_H
 
diff --git a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
index b7992cd4aaf9..b23ff47ea475 100644
--- a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
index fa3e7e617b09..1d19a726f86c 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_BOARD_H_
 #define BCM63XX_BOARD_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 56bb19219d48..1cad18e6681d 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_CPU_H_
 #define BCM63XX_CPU_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
index b1821c866e53..1c634d7c1597 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_CS_H
 #define BCM63XX_CS_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
index b587d45c3045..4e4970787371 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_DSP_H
 #define __BCM63XX_DSP_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
index c4e856f27040..c0bd47444cff 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_ENET_H_
 #define BCM63XX_DEV_ENET_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
index 354b8481ec4a..4d5005f2b8b5 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_FLASH_H
 #define __BCM63XX_FLASH_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
index 1b1acafb3d79..f93f176c1bee 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_HSSPI_H
 #define BCM63XX_DEV_HSSPI_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
index c549344b70ad..1951c125cf0e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_PCI_H_
 #define BCM63XX_DEV_PCI_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
index 2beb3969ce3b..01674ac58bb5 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_PCMCIA_H_
 #define BCM63XX_DEV_PCMCIA_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
index dd299548860d..0ab750522324 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_SPI_H
 #define BCM63XX_DEV_SPI_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
index 23c705baf171..88f8cf1c7094 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_UART_H_
 #define BCM63XX_DEV_UART_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
index 5d6d6986f40b..3f920baff966 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_USB_USBD_H_
 #define BCM63XX_DEV_USB_USBD_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 565ff36a1119..8fe88c2251e4 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_GPIO_H
 #define BCM63XX_GPIO_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
index 7033144aab2d..31c692433ada 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IO_H_
 #define BCM63XX_IO_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
index 0c3074b871b8..7887bc6905f5 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IRQ_H_
 #define BCM63XX_IRQ_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
index 1e89df7244bd..73df916e414d 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IUDMA_H_
 #define BCM63XX_IUDMA_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
index 348df49dcc9f..f78d725f263f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_NVRAM_H
 #define BCM63XX_NVRAM_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 24080af570f9..bc3444cd4ef2 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_REGS_H_
 #define BCM63XX_REGS_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
index 3a6eb9c1adc6..2c0645b7da84 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_RESET_H
 #define __BCM63XX_RESET_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
index c0fce833c9ed..bcbece793fd8 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_TIMER_H_
 #define BCM63XX_TIMER_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
index b86a0efba665..5e5b1bc4a324 100644
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOARD_BCM963XX_H_
 #define BOARD_BCM963XX_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
index b56cf10b91d3..0ebecbdb9749 100644
--- a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
index aea6e64b828f..8cd261ec0a75 100644
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IOREMAP_H_
 #define BCM63XX_IOREMAP_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/irq.h b/arch/mips/include/asm/mach-bcm63xx/irq.h
index 2bbfc8d1f307..b016f0615d5f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM63XX_IRQ_H
 #define __ASM_MACH_BCM63XX_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
index fa0583e1ce0d..68a219d80407 100644
--- a/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bmips/ioremap.h b/arch/mips/include/asm/mach-bmips/ioremap.h
index 29c7a7bb7080..52632ebc705f 100644
--- a/arch/mips/include/asm/mach-bmips/ioremap.h
+++ b/arch/mips/include/asm/mach-bmips/ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BMIPS_IOREMAP_H
 #define __ASM_MACH_BMIPS_IOREMAP_H
 
diff --git a/arch/mips/include/asm/mach-db1x00/bcsr.h b/arch/mips/include/asm/mach-db1x00/bcsr.h
index 3c3ed4ae45e2..4a27738e8b22 100644
--- a/arch/mips/include/asm/mach-db1x00/bcsr.h
+++ b/arch/mips/include/asm/mach-db1x00/bcsr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction.
  *
diff --git a/arch/mips/include/asm/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h
index a5d669086ed9..74207c7bd00d 100644
--- a/arch/mips/include/asm/mach-generic/kmalloc.h
+++ b/arch/mips/include/asm/mach-generic/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_GENERIC_KMALLOC_H
 #define __ASM_MACH_GENERIC_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h
index ebc9377ff876..2ed3094dee07 100644
--- a/arch/mips/include/asm/mach-ip27/mmzone.h
+++ b/arch/mips/include/asm/mach-ip27/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_MMZONE_H
 #define _ASM_MACH_MMZONE_H
 
diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index 3fb7a0e09494..42ea1313626c 100644
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_TOPOLOGY_H
 #define _ASM_MACH_TOPOLOGY_H	1
 
diff --git a/arch/mips/include/asm/mach-ip32/kmalloc.h b/arch/mips/include/asm/mach-ip32/kmalloc.h
index 042ca926c48f..07a0146ea61f 100644
--- a/arch/mips/include/asm/mach-ip32/kmalloc.h
+++ b/arch/mips/include/asm/mach-ip32/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_IP32_KMALLOC_H
 #define __ASM_MACH_IP32_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-jz4740/base.h b/arch/mips/include/asm/mach-jz4740/base.h
index f37318605452..96b2d6674cdb 100644
--- a/arch/mips/include/asm/mach-jz4740/base.h
+++ b/arch/mips/include/asm/mach-jz4740/base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_JZ4740_BASE_H__
 #define __ASM_MACH_JZ4740_BASE_H__
 
diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
index 8543f432b4b3..e9cc62cfac99 100644
--- a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
+++ b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MMC_JZ4740_MMC
 #define __LINUX_MMC_JZ4740_MMC
 
diff --git a/arch/mips/include/asm/mach-lasat/irq.h b/arch/mips/include/asm/mach-lasat/irq.h
index 3a282419d5f9..d79cbe075084 100644
--- a/arch/mips/include/asm/mach-lasat/irq.h
+++ b/arch/mips/include/asm/mach-lasat/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_LASAT_IRQ_H
 #define _ASM_MACH_LASAT_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-lasat/mach-gt64120.h b/arch/mips/include/asm/mach-lasat/mach-gt64120.h
index c253d3fa5167..6666a8871a23 100644
--- a/arch/mips/include/asm/mach-lasat/mach-gt64120.h
+++ b/arch/mips/include/asm/mach-lasat/mach-gt64120.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  This is a direct copy of the ev96100.h file, with a global
  * search and replace.	The numbers are the same.
diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h
index 9f9bb9c53785..4f69f08717f6 100644
--- a/arch/mips/include/asm/mach-loongson64/boot_param.h
+++ b/arch/mips/include/asm/mach-loongson64/boot_param.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
 #define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
index a0ee0cb775ad..9795b3361532 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The header file of cs5536 south bridge.
  *
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
index 021d0172dad6..52e8bb0fc04d 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cs5536 mfgpt header file
  */
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
index bf9dd9eb4ceb..a0d4b752899e 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * the definition file of cs5536 Virtual Support Module(VSM).
  * pci configuration space can be accessed through the VSM, so
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
index 1f17c1815ee5..70d0153cccc3 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * the read/write interfaces for Virtual Support Module(VSM)
  *
diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h
index d18c45c7c394..3644b68c0ccc 100644
--- a/arch/mips/include/asm/mach-loongson64/irq.h
+++ b/arch/mips/include/asm/mach-loongson64/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_IRQ_H_
 #define __ASM_MACH_LOONGSON64_IRQ_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
index 74230d0ca98b..545f91f2ae16 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOONGSON_HWMON_H_
 #define __LOONGSON_HWMON_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/spaces.h b/arch/mips/include/asm/mach-loongson64/spaces.h
index c6040b9fcf94..e85bc1d9c4f2 100644
--- a/arch/mips/include/asm/mach-loongson64/spaces.h
+++ b/arch/mips/include/asm/mach-loongson64/spaces.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_SPACES_H_
 #define __ASM_MACH_LOONGSON64_SPACES_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index bcb885615fca..7ff819ab308a 100644
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_TOPOLOGY_H
 #define _ASM_MACH_TOPOLOGY_H
 
diff --git a/arch/mips/include/asm/mach-loongson64/workarounds.h b/arch/mips/include/asm/mach-loongson64/workarounds.h
index e659f041e116..17b71172a097 100644
--- a/arch/mips/include/asm/mach-loongson64/workarounds.h
+++ b/arch/mips/include/asm/mach-loongson64/workarounds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_WORKAROUNDS_H_
 #define __ASM_MACH_LOONGSON64_WORKAROUNDS_H_
 
diff --git a/arch/mips/include/asm/mach-malta/irq.h b/arch/mips/include/asm/mach-malta/irq.h
index 47cfe64efbb0..af9eeea250ed 100644
--- a/arch/mips/include/asm/mach-malta/irq.h
+++ b/arch/mips/include/asm/mach-malta/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MIPS_IRQ_H
 #define __ASM_MACH_MIPS_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-malta/mach-gt64120.h b/arch/mips/include/asm/mach-malta/mach-gt64120.h
index 62a4b2889fa7..b9dee7c3e469 100644
--- a/arch/mips/include/asm/mach-malta/mach-gt64120.h
+++ b/arch/mips/include/asm/mach-malta/mach-gt64120.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  This is a direct copy of the ev96100.h file, with a global
  * search and replace.	The numbers are the same.
diff --git a/arch/mips/include/asm/mach-ralink/irq.h b/arch/mips/include/asm/mach-ralink/irq.h
index 4321865e04b9..86473e3999aa 100644
--- a/arch/mips/include/asm/mach-ralink/irq.h
+++ b/arch/mips/include/asm/mach-ralink/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_RALINK_IRQ_H
 #define __ASM_MACH_RALINK_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-rc32434/dma.h b/arch/mips/include/asm/mach-rc32434/dma.h
index 4322191e46bf..44dc87bb8087 100644
--- a/arch/mips/include/asm/mach-rc32434/dma.h
+++ b/arch/mips/include/asm/mach-rc32434/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *		All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/dma_v.h b/arch/mips/include/asm/mach-rc32434/dma_v.h
index 28c54063a345..37d73b9877c6 100644
--- a/arch/mips/include/asm/mach-rc32434/dma_v.h
+++ b/arch/mips/include/asm/mach-rc32434/dma_v.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *		All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h
index db211212ce79..a3192da9f227 100644
--- a/arch/mips/include/asm/mach-rc32434/gpio.h
+++ b/arch/mips/include/asm/mach-rc32434/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *	All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/irq.h b/arch/mips/include/asm/mach-rc32434/irq.h
index b76dec95c04e..ebe32bd5a5fb 100644
--- a/arch/mips/include/asm/mach-rc32434/irq.h
+++ b/arch/mips/include/asm/mach-rc32434/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_RC32434_IRQ_H
 #define __ASM_RC32434_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-rc32434/rc32434.h b/arch/mips/include/asm/mach-rc32434/rc32434.h
index 02fd32b4be16..1bec6cc8abf0 100644
--- a/arch/mips/include/asm/mach-rc32434/rc32434.h
+++ b/arch/mips/include/asm/mach-rc32434/rc32434.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for IDT RC323434 CPU.
  */
diff --git a/arch/mips/include/asm/mach-tx39xx/mangle-port.h b/arch/mips/include/asm/mach-tx39xx/mangle-port.h
index ef0b502fd8b7..ab7a70bd895e 100644
--- a/arch/mips/include/asm/mach-tx39xx/mangle-port.h
+++ b/arch/mips/include/asm/mach-tx39xx/mangle-port.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX39XX_MANGLE_PORT_H
 #define __ASM_MACH_TX39XX_MANGLE_PORT_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
index b9d39dc45420..04e4247255da 100644
--- a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
index ff9a8b86cb93..c2a0a6fa483f 100644
--- a/arch/mips/include/asm/mach-tx49xx/kmalloc.h
+++ b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_KMALLOC_H
 #define __ASM_MACH_TX49XX_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/mangle-port.h b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
index 490867b03c8f..e061ef38fb5f 100644
--- a/arch/mips/include/asm/mach-tx49xx/mangle-port.h
+++ b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_MANGLE_PORT_H
 #define __ASM_MACH_TX49XX_MANGLE_PORT_H
 
diff --git a/arch/mips/include/asm/mach-vr41xx/irq.h b/arch/mips/include/asm/mach-vr41xx/irq.h
index 862058d3f81b..3d63afae37a8 100644
--- a/arch/mips/include/asm/mach-vr41xx/irq.h
+++ b/arch/mips/include/asm/mach-vr41xx/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_VR41XX_IRQ_H
 #define __ASM_MACH_VR41XX_IRQ_H
 
diff --git a/arch/mips/include/asm/mips-boards/launch.h b/arch/mips/include/asm/mips-boards/launch.h
index 653477e4074d..f93aa5ee2e2e 100644
--- a/arch/mips/include/asm/mips-boards/launch.h
+++ b/arch/mips/include/asm/mips-boards/launch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  */
diff --git a/arch/mips/include/asm/mips_mt.h b/arch/mips/include/asm/mips_mt.h
index aa4cca060e0a..b444523ecd50 100644
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions and declarations for MIPS MT support that are common between
  * the VSMP, and AP/SP kernel models.
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index 5f8052ce43bf..212336b7c0f4 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MT regs definitions, follows on from mipsregs.h
  * Copyright (C) 2004 - 2005 MIPS Technologies, Inc.  All rights reserved.
diff --git a/arch/mips/include/asm/mipsprom.h b/arch/mips/include/asm/mipsprom.h
index e93943fabeac..2eda19f8fd4c 100644
--- a/arch/mips/include/asm/mipsprom.h
+++ b/arch/mips/include/asm/mipsprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MIPSPROM_H
 #define __ASM_MIPSPROM_H
 
diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h
index f6ba08d77931..0740be7d5d4a 100644
--- a/arch/mips/include/asm/mmu.h
+++ b/arch/mips/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MMU_H
 #define __ASM_MMU_H
 
diff --git a/arch/mips/include/asm/mmzone.h b/arch/mips/include/asm/mmzone.h
index f53ec54c92ff..f085fba41da5 100644
--- a/arch/mips/include/asm/mmzone.h
+++ b/arch/mips/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
  * Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index 06552a965cf4..6dc0b21b8acd 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MODULE_H
 #define _ASM_MODULE_H
 
diff --git a/arch/mips/include/asm/nile4.h b/arch/mips/include/asm/nile4.h
index 99e97f8bfbca..9d36b7823603 100644
--- a/arch/mips/include/asm/nile4.h
+++ b/arch/mips/include/asm/nile4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  asm-mips/nile4.h -- NEC Vrc-5074 Nile 4 definitions
  *
diff --git a/arch/mips/include/asm/octeon/cvmx-config.h b/arch/mips/include/asm/octeon/cvmx-config.h
index f4f1996e0fac..a8c358c02b05 100644
--- a/arch/mips/include/asm/octeon/cvmx-config.h
+++ b/arch/mips/include/asm/octeon/cvmx-config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CVMX_CONFIG_H__
 #define __CVMX_CONFIG_H__
 
diff --git a/arch/mips/include/asm/seccomp.h b/arch/mips/include/asm/seccomp.h
index d886d6f7687a..e383d7e27b93 100644
--- a/arch/mips/include/asm/seccomp.h
+++ b/arch/mips/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SECCOMP_H
 
 #include <linux/unistd.h>
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index 4f5279a8308d..d49d247d48a1 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SETUP_H
 #define _MIPS_SETUP_H
 
diff --git a/arch/mips/include/asm/sgi/pi1.h b/arch/mips/include/asm/sgi/pi1.h
index 96b1a0771ec3..88b814ef3f18 100644
--- a/arch/mips/include/asm/sgi/pi1.h
+++ b/arch/mips/include/asm/sgi/pi1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * pi1.h: Definitions for SGI PI1 parallel port
  */
diff --git a/arch/mips/include/asm/sn/hub.h b/arch/mips/include/asm/sn/hub.h
index 1992d9254a08..338f7eed74f1 100644
--- a/arch/mips/include/asm/sn/hub.h
+++ b/arch/mips/include/asm/sn/hub.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SN_HUB_H
 #define __ASM_SN_HUB_H
 
diff --git a/arch/mips/include/asm/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h
index feb385180f87..25c8dccab51f 100644
--- a/arch/mips/include/asm/sn/ioc3.h
+++ b/arch/mips/include/asm/sn/ioc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999, 2000 Ralf Baechle
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/klkernvars.h b/arch/mips/include/asm/sn/klkernvars.h
index 6af25ba41ade..ea6b21795163 100644
--- a/arch/mips/include/asm/sn/klkernvars.h
+++ b/arch/mips/include/asm/sn/klkernvars.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File ported from IRIX to Linux by Kanoj Sarcar, 06/08/00.
  * Copyright 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/mapped_kernel.h b/arch/mips/include/asm/sn/mapped_kernel.h
index 401f3b0eee17..2f3efa91c16e 100644
--- a/arch/mips/include/asm/sn/mapped_kernel.h
+++ b/arch/mips/include/asm/sn/mapped_kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File created by Kanoj Sarcar 06/06/00.
  * Copyright 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/sn_private.h b/arch/mips/include/asm/sn/sn_private.h
index fdfae43d8b99..f09ba846c644 100644
--- a/arch/mips/include/asm/sn/sn_private.h
+++ b/arch/mips/include/asm/sn/sn_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SN_SN_PRIVATE_H
 #define __ASM_SN_SN_PRIVATE_H
 
diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h
index b1071c1e54f5..b0686ca3d8bf 100644
--- a/arch/mips/include/asm/sparsemem.h
+++ b/arch/mips/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SPARSEMEM_H
 #define _MIPS_SPARSEMEM_H
 #ifdef CONFIG_SPARSEMEM
diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h
index 177e722eb96c..28fd4b140bea 100644
--- a/arch/mips/include/asm/spinlock_types.h
+++ b/arch/mips/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPINLOCK_TYPES_H
 #define _ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h
index 0f90d88e464d..63cb90fd4148 100644
--- a/arch/mips/include/asm/spram.h
+++ b/arch/mips/include/asm/spram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SPRAM_H
 #define _MIPS_SPRAM_H
 
diff --git a/arch/mips/include/asm/stackprotector.h b/arch/mips/include/asm/stackprotector.h
index eb9b1035e926..68d4be9e1254 100644
--- a/arch/mips/include/asm/stackprotector.h
+++ b/arch/mips/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GCC stack protector support.
  *
diff --git a/arch/mips/include/asm/stacktrace.h b/arch/mips/include/asm/stacktrace.h
index 10c4e9c84448..8ad25c25b4f8 100644
--- a/arch/mips/include/asm/stacktrace.h
+++ b/arch/mips/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_STACKTRACE_H
 #define _ASM_STACKTRACE_H
 
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index b439e512792b..5e8927f99a76 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: MIPS low-level thread information
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
index 939734de4359..b6823b9e94da 100644
--- a/arch/mips/include/asm/tlb.h
+++ b/arch/mips/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
 
diff --git a/arch/mips/include/asm/tlbex.h b/arch/mips/include/asm/tlbex.h
index 53050e9dd2c9..4ed7ebed3bf1 100644
--- a/arch/mips/include/asm/tlbex.h
+++ b/arch/mips/include/asm/tlbex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBEX_H
 #define __ASM_TLBEX_H
 
diff --git a/arch/mips/include/asm/tlbflush.h b/arch/mips/include/asm/tlbflush.h
index 86b21de12e91..40a361092491 100644
--- a/arch/mips/include/asm/tlbflush.h
+++ b/arch/mips/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBFLUSH_H
 #define __ASM_TLBFLUSH_H
 
diff --git a/arch/mips/include/asm/tlbmisc.h b/arch/mips/include/asm/tlbmisc.h
index 3a452282cba0..c1a540669c23 100644
--- a/arch/mips/include/asm/tlbmisc.h
+++ b/arch/mips/include/asm/tlbmisc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBMISC_H
 #define __ASM_TLBMISC_H
 
diff --git a/arch/mips/include/asm/txx9/boards.h b/arch/mips/include/asm/txx9/boards.h
index cbe9476d963e..d45237befd3e 100644
--- a/arch/mips/include/asm/txx9/boards.h
+++ b/arch/mips/include/asm/txx9/boards.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_TOSHIBA_JMR3927
 BOARD_VEC(jmr3927_vec)
 #endif
diff --git a/arch/mips/include/asm/vga.h b/arch/mips/include/asm/vga.h
index 975ff51f80c4..0136e0366698 100644
--- a/arch/mips/include/asm/vga.h
+++ b/arch/mips/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/mips/jazz/Kconfig b/arch/mips/jazz/Kconfig
index fb1e072da30b..06838f80a5d7 100644
--- a/arch/mips/jazz/Kconfig
+++ b/arch/mips/jazz/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ACER_PICA_61
 	bool "Support for Acer PICA 1 chipset"
 	depends on MACH_JAZZ
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index 11172fdaeffc..d626a9a391cc 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Mips Jazz DMA controller support
  * Copyright (C) 1995, 1996 by Andreas Busse
diff --git a/arch/mips/jazz/reset.c b/arch/mips/jazz/reset.c
index dd889fe86bd1..052b01f5d935 100644
--- a/arch/mips/jazz/reset.c
+++ b/arch/mips/jazz/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Reset a Jazz machine.
  *
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 36f82017695d..643af2012e14 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_INGENIC
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index 6b9c1f7c31c9..88d6aa7d000b 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Ingenic JZ4740.
 #
diff --git a/arch/mips/jz4740/reset.h b/arch/mips/jz4740/reset.h
index 5202ab4ad9db..4e8746ee9b61 100644
--- a/arch/mips/jz4740/reset.h
+++ b/arch/mips/jz4740/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MIPS_JZ4740_RESET_H__
 #define __MIPS_JZ4740_RESET_H__
 
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 07f0f4a4b562..f10e1e15e1c6 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS kernel.
 #
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index a670c0c11875..c1cd41456d42 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * asm-offsets.c: Calculate pt_regs and task_struct offsets.
  *
diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
index 4a2ff3953b99..89b234844534 100644
--- a/arch/mips/kernel/binfmt_elfn32.c
+++ b/arch/mips/kernel/binfmt_elfn32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for n32 Linux/MIPS ELF binaries.
  * Author: Ralf Baechle (ralf@linux-mips.org)
diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index 3916404e7fd1..a88c59db3d48 100644
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for o32 Linux/MIPS ELF binaries.
  * Author: Ralf Baechle (ralf@linux-mips.org)
diff --git a/arch/mips/kernel/crash.c b/arch/mips/kernel/crash.c
index ca25cd393b1c..d455363d51c3 100644
--- a/arch/mips/kernel/crash.c
+++ b/arch/mips/kernel/crash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/smp.h>
 #include <linux/reboot.h>
diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c
index 77ee99a2d0aa..a8657d29c62e 100644
--- a/arch/mips/kernel/crash_dump.c
+++ b/arch/mips/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/highmem.h>
 #include <linux/bootmem.h>
 #include <linux/crash_dump.h>
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index 9d9b8fbae202..99285be0e088 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for replacing ftrace calls with jumps.
  *
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index c5bc344fc745..5f209f111e59 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * i8253.c  8253/PIT functions
  *
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index b01bdef101a8..b332f6fc1e72 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Conversion between 32-bit and 64-bit native system calls.
  *
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index 8cab633e0e5a..a7c0f97e4b0d 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * General MIPS MT support routines, usable in AP/SP and SMVP.
  * Copyright (C) 2005 Mips Technologies, Inc
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index 88b1ef5f868a..efaa2527657d 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * General MIPS MT support routines, usable in AP/SP and SMVP.
  * Copyright (C) 2005 Mips Technologies, Inc
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index bd9bf528f19b..b2de408a259e 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995, 1996, 2001  Ralf Baechle
  *  Copyright (C) 2001, 2004  MIPS Technologies, Inc.
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index e57703b1de50..665897139f30 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * r2300_switch.S: R2300 specific task switching code.
  *
diff --git a/arch/mips/kernel/spinlock_test.c b/arch/mips/kernel/spinlock_test.c
index f7d86955d1b8..eaed550e79a2 100644
--- a/arch/mips/kernel/spinlock_test.c
+++ b/arch/mips/kernel/spinlock_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kthread.h>
 #include <linux/hrtimer.h>
diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
index 1df1160b6a47..f2973ce87f53 100644
--- a/arch/mips/kernel/sync-r4k.c
+++ b/arch/mips/kernel/sync-r4k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Count register synchronisation.
  *
diff --git a/arch/mips/kernel/sysrq.c b/arch/mips/kernel/sysrq.c
index 5f055393092d..e5a2a6ab71ac 100644
--- a/arch/mips/kernel/sysrq.c
+++ b/arch/mips/kernel/sysrq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MIPS specific sysrq operations.
  *
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
index cf3eb61fad12..cd3e1f82e1a5 100644
--- a/arch/mips/kernel/topology.c
+++ b/arch/mips/kernel/topology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
 #include <linux/init.h>
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index e99e3fae5326..f7a0645ccb82 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/highmem.h>
 #include <linux/kdebug.h>
 #include <linux/types.h>
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 8ca2371aa684..971a504001c2 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
 
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 50a722dfb236..b17447ce8873 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/mips/kvm/Makefile b/arch/mips/kvm/Makefile
index 45d90f5d5177..01affc1d21c5 100644
--- a/arch/mips/kvm/Makefile
+++ b/arch/mips/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for KVM support for MIPS
 #
 
diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig
index 35bc69b78268..692ae85a3e3d 100644
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if LANTIQ
 
 config SOC_TYPE_XWAY
diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig
index 8776d0a34274..11b89e94b835 100644
--- a/arch/mips/lasat/Kconfig
+++ b/arch/mips/lasat/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PICVUE
 	tristate "PICVUE LCD display driver"
 	depends on LASAT
diff --git a/arch/mips/lasat/Makefile b/arch/mips/lasat/Makefile
index 869bd3b37c17..1789b227ef20 100644
--- a/arch/mips/lasat/Makefile
+++ b/arch/mips/lasat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the LASAT specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/lasat/at93c.c b/arch/mips/lasat/at93c.c
index 4e272a2622a4..f895fe94b937 100644
--- a/arch/mips/lasat/at93c.c
+++ b/arch/mips/lasat/at93c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Atmel AT93C46 serial eeprom driver
  *
diff --git a/arch/mips/lasat/at93c.h b/arch/mips/lasat/at93c.h
index cfe2f99b1d44..7a99a02d81d0 100644
--- a/arch/mips/lasat/at93c.h
+++ b/arch/mips/lasat/at93c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Atmel AT93C46 serial eeprom driver
  *
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
index c6fd96ff118d..8bd5cf820eed 100644
--- a/arch/mips/lasat/ds1603.c
+++ b/arch/mips/lasat/ds1603.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dallas Semiconductors 1603 RTC driver
  *
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
index 3e718b1cca02..00987d3bdc21 100644
--- a/arch/mips/lasat/ds1603.h
+++ b/arch/mips/lasat/ds1603.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Dallas Semiconductors 1603 RTC driver
  *
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
index fd32075679c6..9ab1326f57c9 100644
--- a/arch/mips/lasat/image/Makefile
+++ b/arch/mips/lasat/image/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
 #
diff --git a/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
index 41babbe43a8e..1a27312d4c2e 100644
--- a/arch/mips/lasat/image/head.S
+++ b/arch/mips/lasat/image/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/lasat/head.h>
 
 	.text
diff --git a/arch/mips/lasat/lasat_models.h b/arch/mips/lasat/lasat_models.h
index e1cbd26ae1b3..474e57342484 100644
--- a/arch/mips/lasat/lasat_models.h
+++ b/arch/mips/lasat/lasat_models.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Model description tables
  */
diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
index d0119fca3862..161d3bf50811 100644
--- a/arch/mips/lasat/picvue.h
+++ b/arch/mips/lasat/picvue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Picvue PVC160206 display driver
  *
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
index 20fde19a5fbf..17e15b50a551 100644
--- a/arch/mips/lasat/prom.c
+++ b/arch/mips/lasat/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PROM interface routines.
  */
diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h
index 337acbc27442..3d1df853e9d3 100644
--- a/arch/mips/lasat/prom.h
+++ b/arch/mips/lasat/prom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PROM_H
 #define __PROM_H
 
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 6ab430d24575..78c2affeabf8 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for MIPS-specific library files..
 #
diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c
index c3e22053d13e..24cd6903e797 100644
--- a/arch/mips/lib/ashldi3.c
+++ b/arch/mips/lib/ashldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c
index 17456024873d..23f5295af51e 100644
--- a/arch/mips/lib/ashrdi3.c
+++ b/arch/mips/lib/ashrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
index a8114148f82a..fcef74084492 100644
--- a/arch/mips/lib/bswapdi.c
+++ b/arch/mips/lib/bswapdi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/compiler.h>
 
diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c
index 106fd978317d..22d8e4f6d66e 100644
--- a/arch/mips/lib/bswapsi.c
+++ b/arch/mips/lib/bswapsi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/compiler.h>
 
diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
index 9d849d8743c9..93cfc785927d 100644
--- a/arch/mips/lib/cmpdi2.c
+++ b/arch/mips/lib/cmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 6eb50a7137db..781ad96b78c4 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dump R4x00 TLB for debugging purposes.
  *
diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c
index 8ed3f25a9047..4850509c5534 100644
--- a/arch/mips/lib/iomap-pci.c
+++ b/arch/mips/lib/iomap-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the default iomap interfaces
  *
diff --git a/arch/mips/lib/iomap.c b/arch/mips/lib/iomap.c
index 9daa92428e23..9b31653f318c 100644
--- a/arch/mips/lib/iomap.c
+++ b/arch/mips/lib/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the default iomap interfaces
  *
diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h
index 05909d58e2fe..28002ed90c2c 100644
--- a/arch/mips/lib/libgcc.h
+++ b/arch/mips/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LIBGCC_H
 #define __ASM_LIBGCC_H
 
diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c
index 221167c1be55..914b971aca3b 100644
--- a/arch/mips/lib/lshrdi3.c
+++ b/arch/mips/lib/lshrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 85b4086e553e..b97d9c5d8323 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dump R3000 TLB for debugging purposes.
  *
diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
index 08067fa538f2..c31c78ca4175 100644
--- a/arch/mips/lib/ucmpdi2.c
+++ b/arch/mips/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/loongson32/Kconfig b/arch/mips/loongson32/Kconfig
index 3c0c2f2096cd..462b126f45aa 100644
--- a/arch/mips/loongson32/Kconfig
+++ b/arch/mips/loongson32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_LOONGSON32
 
 choice
diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
index 8e6e292675b2..0d249fc3cfe9 100644
--- a/arch/mips/loongson64/Kconfig
+++ b/arch/mips/loongson64/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_LOONGSON64
 
 choice
diff --git a/arch/mips/loongson64/common/Makefile b/arch/mips/loongson64/common/Makefile
index 074d9cb15cd2..8235ac7eac95 100644
--- a/arch/mips/loongson64/common/Makefile
+++ b/arch/mips/loongson64/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for loongson based machines.
 #
diff --git a/arch/mips/loongson64/common/dma-swiotlb.c b/arch/mips/loongson64/common/dma-swiotlb.c
index 34486c138206..ef07740cee61 100644
--- a/arch/mips/loongson64/common/dma-swiotlb.c
+++ b/arch/mips/loongson64/common/dma-swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
diff --git a/arch/mips/loongson64/loongson-3/acpi_init.c b/arch/mips/loongson64/loongson-3/acpi_init.c
index dbdad79ead8f..8d7c119ddf91 100644
--- a/arch/mips/loongson64/loongson-3/acpi_init.c
+++ b/arch/mips/loongson64/loongson-3/acpi_init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/io.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
diff --git a/arch/mips/loongson64/loongson-3/hpet.c b/arch/mips/loongson64/loongson-3/hpet.c
index 4df9d4b7356a..ed15430ad64f 100644
--- a/arch/mips/loongson64/loongson-3/hpet.c
+++ b/arch/mips/loongson64/loongson-3/hpet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/percpu.h>
diff --git a/arch/mips/loongson64/loongson-3/irq.c b/arch/mips/loongson64/loongson-3/irq.c
index 7202e52cd046..cbeb20f9fc95 100644
--- a/arch/mips/loongson64/loongson-3/irq.c
+++ b/arch/mips/loongson64/loongson-3/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <loongson.h>
 #include <irq.h>
 #include <linux/interrupt.h>
diff --git a/arch/mips/loongson64/loongson-3/smp.h b/arch/mips/loongson64/loongson-3/smp.h
index d98ff654b7d7..957bde81e0e4 100644
--- a/arch/mips/loongson64/loongson-3/smp.h
+++ b/arch/mips/loongson64/loongson-3/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOONGSON_SMP_H_
 #define __LOONGSON_SMP_H_
 
diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile
index e9f10b88b695..81d25ff328a7 100644
--- a/arch/mips/math-emu/Makefile
+++ b/arch/mips/math-emu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS kernel FPU emulation.
 #
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index b6bfd3625369..5450f4d1c920 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>
diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c
index 8c0ec154aecc..62566385ce0e 100644
--- a/arch/mips/math-emu/me-debugfs.c
+++ b/arch/mips/math-emu/me-debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpumask.h>
 #include <linux/debugfs.h>
 #include <linux/fs.h>
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index b4cc8811a664..c463bdad45c7 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS-specific parts of the memory manager.
 #
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 21e4e662c1fa..3466fcdae0ca 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 5c282583edf1..5f6c099a9457 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
index d8c3c159289a..1e4658eee13f 100644
--- a/arch/mips/mm/gup.c
+++ b/arch/mips/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Lockless get_user_pages_fast for MIPS
  *
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index f13f51003bd8..d08e6d7d533b 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/init.h>
 #include <linux/export.h>
diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c
index f293a97cb885..ea059cd86496 100644
--- a/arch/mips/mm/sc-ip22.c
+++ b/arch/mips/mm/sc-ip22.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sc-ip22.c: Indy cache management functions.
  *
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index acfb89273dad..548acb7f8557 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2006 Chris Dearman (chris@mips.com),
  */
diff --git a/arch/mips/mm/sc-r5k.c b/arch/mips/mm/sc-r5k.c
index 751b5cd18bf2..c7b94c951d98 100644
--- a/arch/mips/mm/sc-r5k.c
+++ b/arch/mips/mm/sc-r5k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1997, 2001 Ralf Baechle (ralf@gnu.org),
  * derived from r4xx0.c by David S. Miller (davem@davemloft.net).
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index 78f900c59276..e9e3777a7848 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sc-rm7k.c: RM7000 cache management functions.
  *
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index 1290b995695d..6f589e0112ce 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index 5827af77c18e..63940bdce698 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Carsten Langgaard, carstenl@mips.com
 # Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index fb00606e352d..8296b13affd2 100644
--- a/arch/mips/netlogic/Kconfig
+++ b/arch/mips/netlogic/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if NLM_XLP_BOARD || NLM_XLR_BOARD
 
 if NLM_XLP_BOARD
diff --git a/arch/mips/netlogic/common/Makefile b/arch/mips/netlogic/common/Makefile
index 362739d62b1d..60d00b5d748e 100644
--- a/arch/mips/netlogic/common/Makefile
+++ b/arch/mips/netlogic/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= irq.o time.o
 obj-y				+= nlm-dma.o
 obj-y				+= reset.o
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index 6b43af0a34d9..d62465717393 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= setup.o nlm_hal.o cop2-ex.o dt.o
 obj-$(CONFIG_SMP)		+= wakeup.o
 ifdef CONFIG_USB
diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile
index 070afdb297df..011cf9f891e7 100644
--- a/arch/mips/oprofile/Makefile
+++ b/arch/mips/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 16ace558cd9d..806fb798091f 100644
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/oprofile.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
diff --git a/arch/mips/paravirt/Kconfig b/arch/mips/paravirt/Kconfig
index ecae5861b601..46b110fec967 100644
--- a/arch/mips/paravirt/Kconfig
+++ b/arch/mips/paravirt/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MIPS_PARAVIRT
 
 config MIPS_PCI_VIRTIO
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 4b821481dd44..8185a2bfaf09 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PCI specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/pci/fixup-ip32.c b/arch/mips/pci/fixup-ip32.c
index c6ec18a07e63..d091ffc53569 100644
--- a/arch/mips/pci/fixup-ip32.c
+++ b/arch/mips/pci/fixup-ip32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c
index 3ec85331795e..8131e0ffe735 100644
--- a/arch/mips/pci/fixup-malta.c
+++ b/arch/mips/pci/fixup-malta.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <asm/mips-boards/piix4.h>
diff --git a/arch/mips/pci/ops-loongson3.c b/arch/mips/pci/ops-loongson3.c
index 46ed541a3ec7..9e118431e226 100644
--- a/arch/mips/pci/ops-loongson3.c
+++ b/arch/mips/pci/ops-loongson3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/pci/ops-nile4.c b/arch/mips/pci/ops-nile4.c
index b9d1fd0ff7e2..b00658d19116 100644
--- a/arch/mips/pci/ops-nile4.c
+++ b/arch/mips/pci/ops-nile4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index f15ec98de2de..4f2411f489af 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy PCI host mode support.
  *
diff --git a/arch/mips/pci/pci-bcm63xx.h b/arch/mips/pci/pci-bcm63xx.h
index ffab4da7bd00..214def1e45a5 100644
--- a/arch/mips/pci/pci-bcm63xx.h
+++ b/arch/mips/pci/pci-bcm63xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PCI_BCM63XX_H_
 #define PCI_BCM63XX_H_
 
diff --git a/arch/mips/pic32/Kconfig b/arch/mips/pic32/Kconfig
index 527d37da05ac..e284e89183cc 100644
--- a/arch/mips/pic32/Kconfig
+++ b/arch/mips/pic32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_PIC32
 
 choice
diff --git a/arch/mips/pistachio/Kconfig b/arch/mips/pistachio/Kconfig
index 97731ea94322..9a0e06c95184 100644
--- a/arch/mips/pistachio/Kconfig
+++ b/arch/mips/pistachio/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PISTACHIO_GPTIMER_CLKSRC
 	bool "Enable General Purpose Timer based clocksource"
 	depends on MACH_PISTACHIO
diff --git a/arch/mips/pmcs-msp71xx/Kconfig b/arch/mips/pmcs-msp71xx/Kconfig
index 4190093d3053..d319bc0c3df6 100644
--- a/arch/mips/pmcs-msp71xx/Kconfig
+++ b/arch/mips/pmcs-msp71xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "PMC-Sierra MSP SOC type"
 	depends on PMC_MSP
diff --git a/arch/mips/pmcs-msp71xx/Makefile b/arch/mips/pmcs-msp71xx/Makefile
index d4f7220f2485..c040bd6ed62d 100644
--- a/arch/mips/pmcs-msp71xx/Makefile
+++ b/arch/mips/pmcs-msp71xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PMC-Sierra MSP SOCs
 #
diff --git a/arch/mips/power/hibernate.c b/arch/mips/power/hibernate.c
index 19a9af68bcdb..94ab17c3c49d 100644
--- a/arch/mips/power/hibernate.c
+++ b/arch/mips/power/hibernate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/tlbflush.h>
 
 extern int restore_image(void);
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index b4627080b828..f26736b7080b 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if RALINK
 
 config CLKEVT_RT3352
diff --git a/arch/mips/rb532/setup.c b/arch/mips/rb532/setup.c
index d0c64e71d532..1aa4df1385cb 100644
--- a/arch/mips/rb532/setup.c
+++ b/arch/mips/rb532/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * setup.c - boot time setup code
  */
diff --git a/arch/mips/sgi-ip22/Makefile b/arch/mips/sgi-ip22/Makefile
index 411cda9ee030..45f42fa08faa 100644
--- a/arch/mips/sgi-ip22/Makefile
+++ b/arch/mips/sgi-ip22/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the SGI specific kernel interface routines
 # under Linux.
diff --git a/arch/mips/sgi-ip22/ip22-berr.c b/arch/mips/sgi-ip22/ip22-berr.c
index ff8e1935c873..34bb9801d5ff 100644
--- a/arch/mips/sgi-ip22/ip22-berr.c
+++ b/arch/mips/sgi-ip22/ip22-berr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-berr.c: Bus error handling.
  *
diff --git a/arch/mips/sgi-ip22/ip22-hpc.c b/arch/mips/sgi-ip22/ip22-hpc.c
index 396956e07307..49922e86cf1d 100644
--- a/arch/mips/sgi-ip22/ip22-hpc.c
+++ b/arch/mips/sgi-ip22/ip22-hpc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-hpc.c: Routines for generic manipulation of the HPC controllers.
  *
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index c66889fc4913..3804895fa697 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-int.c: Routines for generic manipulation of the INT[23] ASIC
  *	       found on INDY and Indigo2 workstations.
diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c
index db5a64026443..1944d41507ef 100644
--- a/arch/mips/sgi-ip22/ip22-mc.c
+++ b/arch/mips/sgi-ip22/ip22-mc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-mc.c: Routines for manipulating SGI Memory Controller.
  *
diff --git a/arch/mips/sgi-ip22/ip22-nvram.c b/arch/mips/sgi-ip22/ip22-nvram.c
index cc6133bb57ca..e727ef519acf 100644
--- a/arch/mips/sgi-ip22/ip22-nvram.c
+++ b/arch/mips/sgi-ip22/ip22-nvram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-nvram.c: NVRAM and serial EEPROM handling.
  *
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
index a14fd32b76bd..37ad26716579 100644
--- a/arch/mips/sgi-ip22/ip22-platform.c
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/if_ether.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c
index 872159970935..b69daa02401b 100644
--- a/arch/mips/sgi-ip22/ip22-setup.c
+++ b/arch/mips/sgi-ip22/ip22-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-setup.c: SGI specific setup, including init of the feature struct.
  *
diff --git a/arch/mips/sgi-ip22/ip28-berr.c b/arch/mips/sgi-ip22/ip28-berr.c
index 75460e1e106b..2ed8e4990b7a 100644
--- a/arch/mips/sgi-ip22/ip28-berr.c
+++ b/arch/mips/sgi-ip22/ip28-berr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip28-berr.c: Bus error handling.
  *
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig
index 4d8705a65e4a..ef3847e7aee0 100644
--- a/arch/mips/sgi-ip27/Kconfig
+++ b/arch/mips/sgi-ip27/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Node addressing mode"
 	depends on SGI_IP27
diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile
index ab4affa626c7..73502fda13ee 100644
--- a/arch/mips/sgi-ip27/Makefile
+++ b/arch/mips/sgi-ip27/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IP27 specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/sgi-ip27/ip27-irq-pci.c b/arch/mips/sgi-ip27/ip27-irq-pci.c
index 2a1c40784bd9..cd449e90b917 100644
--- a/arch/mips/sgi-ip27/ip27-irq-pci.c
+++ b/arch/mips/sgi-ip27/ip27-irq-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip27-irq.c: Highlevel interrupt handling for IP27 architecture.
  *
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 16ec4e12daa3..0dde6164a06f 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip27-irq.c: Highlevel interrupt handling for IP27 architecture.
  *
diff --git a/arch/mips/sgi-ip27/ip27-klconfig.c b/arch/mips/sgi-ip27/ip27-klconfig.c
index c873d62ff083..41171ff0c75e 100644
--- a/arch/mips/sgi-ip27/ip27-klconfig.c
+++ b/arch/mips/sgi-ip27/ip27-klconfig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org)
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/sgi-ip27/ip27-klnuma.c b/arch/mips/sgi-ip27/ip27-klnuma.c
index 2beb03907d09..a4f01328de62 100644
--- a/arch/mips/sgi-ip27/ip27-klnuma.c
+++ b/arch/mips/sgi-ip27/ip27-klnuma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Ported from IRIX to Linux by Kanoj Sarcar, 06/08/00.
  * Copyright 2000 - 2001 Silicon Graphics, Inc.
diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c
index cfceaea92724..8ac2bfa35fb6 100644
--- a/arch/mips/sgi-ip27/ip27-nmi.c
+++ b/arch/mips/sgi-ip27/ip27-nmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/mmzone.h>
 #include <linux/nodemask.h>
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index a53f0c8c901e..9d55247533a5 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copytight (C) 1999, 2000, 05, 06 Ralf Baechle (ralf@linux-mips.org)
  * Copytight (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig
index 707b88441567..f4dbce25bc6a 100644
--- a/arch/mips/sibyte/Kconfig
+++ b/arch/mips/sibyte/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SIBYTE_SB1250
 	bool
 	select CEVT_SB1250
diff --git a/arch/mips/sibyte/Makefile b/arch/mips/sibyte/Makefile
index 455c40d6d625..d015c4d79c3e 100644
--- a/arch/mips/sibyte/Makefile
+++ b/arch/mips/sibyte/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Sibyte SB1250 / BCM1480 family of SOCs
 #
diff --git a/arch/mips/sibyte/common/cfe_console.c b/arch/mips/sibyte/common/cfe_console.c
index 1ad2da103fe9..8af7b41f7c19 100644
--- a/arch/mips/sibyte/common/cfe_console.c
+++ b/arch/mips/sibyte/common/cfe_console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/console.h>
diff --git a/arch/mips/sibyte/swarm/platform.c b/arch/mips/sibyte/swarm/platform.c
index 1cecdcf85cf1..484969db7713 100644
--- a/arch/mips/sibyte/swarm/platform.c
+++ b/arch/mips/sibyte/swarm/platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c
index 6afa34346b81..66f963d8da7e 100644
--- a/arch/mips/sni/reset.c
+++ b/arch/mips/sni/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/mips/sni/process.c
  *
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c
index 7ee14f41fc25..0eb7d1e8821b 100644
--- a/arch/mips/sni/time.c
+++ b/arch/mips/sni/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/i8253.h>
 #include <linux/interrupt.h>
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 42923478d45c..d2509c93f0ee 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MACH_TX39XX
 	bool
 	select MACH_TXX9
diff --git a/arch/mips/txx9/Makefile b/arch/mips/txx9/Makefile
index 34787dabff06..195295937282 100644
--- a/arch/mips/txx9/Makefile
+++ b/arch/mips/txx9/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Common TXx9
 #
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile
index 1863c167e66e..6d00580fc81d 100644
--- a/arch/mips/txx9/generic/Makefile
+++ b/arch/mips/txx9/generic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for common code for TXx9 based systems
 #
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index b47d2a45dbf4..ce196046ac3e 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Objects to go into the VDSO.
 obj-vdso-y := elf.o gettimeofday.o sigreturn.o
 
diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig
index 74927b4d4f0b..992c988b83b0 100644
--- a/arch/mips/vr41xx/Kconfig
+++ b/arch/mips/vr41xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_VR41XX
diff --git a/arch/mips/xilfpga/Kconfig b/arch/mips/xilfpga/Kconfig
index 42a030a0edba..ca7b2368eab7 100644
--- a/arch/mips/xilfpga/Kconfig
+++ b/arch/mips/xilfpga/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_XILFPGA
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 38e3494bfb63..e9d8d60bd28b 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MN10300
 	def_bool y
 	select HAVE_EXIT_THREAD
diff --git a/arch/mn10300/Kconfig.debug b/arch/mn10300/Kconfig.debug
index 94efb3ed223f..37ada651f756 100644
--- a/arch/mn10300/Kconfig.debug
+++ b/arch/mn10300/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/mn10300/boot/compressed/Makefile b/arch/mn10300/boot/compressed/Makefile
index 5f56f9de1061..9b9a48fc8e53 100644
--- a/arch/mn10300/boot/compressed/Makefile
+++ b/arch/mn10300/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Create a compressed vmlinux image from the original vmlinux
 #
diff --git a/arch/mn10300/boot/tools/build.c b/arch/mn10300/boot/tools/build.c
index 4f552ead0f8e..3ce158fe07b0 100644
--- a/arch/mn10300/boot/tools/build.c
+++ b/arch/mn10300/boot/tools/build.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 1997 Martin Mares
diff --git a/arch/mn10300/include/asm/kmap_types.h b/arch/mn10300/include/asm/kmap_types.h
index 76d093b58d4f..f444d7ffa766 100644
--- a/arch/mn10300/include/asm/kmap_types.h
+++ b/arch/mn10300/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/mn10300/include/asm/mmu.h b/arch/mn10300/include/asm/mmu.h
index 2d2d097e7309..b9d6d41adace 100644
--- a/arch/mn10300/include/asm/mmu.h
+++ b/arch/mn10300/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* MN10300 Memory management context
  *
  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
diff --git a/arch/mn10300/include/asm/page_offset.h b/arch/mn10300/include/asm/page_offset.h
index 8eb5b16ad86b..1e869aa09418 100644
--- a/arch/mn10300/include/asm/page_offset.h
+++ b/arch/mn10300/include/asm/page_offset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* MN10300 Kernel base address
  *
  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
diff --git a/arch/mn10300/include/asm/shmparam.h b/arch/mn10300/include/asm/shmparam.h
index ab666ed1a070..3a31faaa4353 100644
--- a/arch/mn10300/include/asm/shmparam.h
+++ b/arch/mn10300/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SHMPARAM_H
 #define _ASM_SHMPARAM_H
 
diff --git a/arch/mn10300/include/asm/spinlock_types.h b/arch/mn10300/include/asm/spinlock_types.h
index 653dc519b405..32abdc89bbc7 100644
--- a/arch/mn10300/include/asm/spinlock_types.h
+++ b/arch/mn10300/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPINLOCK_TYPES_H
 #define _ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/mn10300/include/asm/termios.h b/arch/mn10300/include/asm/termios.h
index c2e29c75dfac..4010edcaa08e 100644
--- a/arch/mn10300/include/asm/termios.h
+++ b/arch/mn10300/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_TERMIOS_H
 #define _ASM_TERMIOS_H
 
diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile
index 561029f7fa44..de32af0e4b6e 100644
--- a/arch/mn10300/kernel/Makefile
+++ b/arch/mn10300/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the MN10300-specific core kernel code
 #
diff --git a/arch/mn10300/kernel/asm-offsets.c b/arch/mn10300/kernel/asm-offsets.c
index e5a61c659b5a..57e6cc96267b 100644
--- a/arch/mn10300/kernel/asm-offsets.c
+++ b/arch/mn10300/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed
diff --git a/arch/mn10300/kernel/gdb-stub.c b/arch/mn10300/kernel/gdb-stub.c
index a128c57b586b..3399d5699804 100644
--- a/arch/mn10300/kernel/gdb-stub.c
+++ b/arch/mn10300/kernel/gdb-stub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* MN10300 GDB stub
  *
  * Originally written by Glenn Engel, Lake Stevens Instrument Division
diff --git a/arch/mn10300/mm/Kconfig.cache b/arch/mn10300/mm/Kconfig.cache
index bfbe52691f2c..8cc5d9ec3b6c 100644
--- a/arch/mn10300/mm/Kconfig.cache
+++ b/arch/mn10300/mm/Kconfig.cache
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # MN10300 CPU cache options
 #
diff --git a/arch/mn10300/mm/Makefile b/arch/mn10300/mm/Makefile
index 11f38466ac28..048ba6f67f9a 100644
--- a/arch/mn10300/mm/Makefile
+++ b/arch/mn10300/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the MN10300-specific memory management code
 #
diff --git a/arch/mn10300/oprofile/Makefile b/arch/mn10300/oprofile/Makefile
index 918dbe60ebb6..9fa95aaf496b 100644
--- a/arch/mn10300/oprofile/Makefile
+++ b/arch/mn10300/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the MN10300-specific profiling code
 #
diff --git a/arch/mn10300/proc-mn103e010/include/proc/intctl-regs.h b/arch/mn10300/proc-mn103e010/include/proc/intctl-regs.h
index f537801a44ba..516afe824055 100644
--- a/arch/mn10300/proc-mn103e010/include/proc/intctl-regs.h
+++ b/arch/mn10300/proc-mn103e010/include/proc/intctl-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PROC_INTCTL_REGS_H
 #define _ASM_PROC_INTCTL_REGS_H
 
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h b/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h
index a1e977273d19..4d4084ea6694 100644
--- a/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PROC_INTCTL_REGS_H
 #define _ASM_PROC_INTCTL_REGS_H
 
diff --git a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h
index 33f100f9b468..2901ed344b3d 100644
--- a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h
+++ b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ASB2364 FPGA registers
  */
 
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index c587764b9c5a..60fae03dac79 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config NIOS2
 	def_bool y
 	select TIMER_OF
diff --git a/arch/nios2/Kconfig.debug b/arch/nios2/Kconfig.debug
index 55105220370c..edfeef049a51 100644
--- a/arch/nios2/Kconfig.debug
+++ b/arch/nios2/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/nios2/boot/compressed/Makefile b/arch/nios2/boot/compressed/Makefile
index d5921c9a9726..791e4309250a 100644
--- a/arch/nios2/boot/compressed/Makefile
+++ b/arch/nios2/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # create a compressed vmlinux image from the original vmlinux
 #
diff --git a/arch/nios2/kernel/Makefile b/arch/nios2/kernel/Makefile
index 06d07432b38d..0b645e1e3158 100644
--- a/arch/nios2/kernel/Makefile
+++ b/arch/nios2/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the nios2 linux kernel.
 #
diff --git a/arch/nios2/mm/Makefile b/arch/nios2/mm/Makefile
index 3cbd0840873c..9d37fafd1dd1 100644
--- a/arch/nios2/mm/Makefile
+++ b/arch/nios2/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Nios2-specific parts of the memory manager.
 #
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index a0f2e4a323c1..df2136ab1dcc 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
diff --git a/arch/openrisc/boot/dts/Makefile b/arch/openrisc/boot/dts/Makefile
index b092d30d6c23..792ce7143c3a 100644
--- a/arch/openrisc/boot/dts/Makefile
+++ b/arch/openrisc/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifneq '$(CONFIG_OPENRISC_BUILTIN_DTB)' '""'
 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_OPENRISC_BUILTIN_DTB)).dtb.o
 else
diff --git a/arch/openrisc/boot/dts/or1ksim.dts b/arch/openrisc/boot/dts/or1ksim.dts
index 5d4f9027afaf..9f4b856da580 100644
--- a/arch/openrisc/boot/dts/or1ksim.dts
+++ b/arch/openrisc/boot/dts/or1ksim.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 / {
 	compatible = "opencores,or1ksim";
diff --git a/arch/openrisc/include/asm/futex.h b/arch/openrisc/include/asm/futex.h
index 8fed278a24b8..618da4a1bffb 100644
--- a/arch/openrisc/include/asm/futex.h
+++ b/arch/openrisc/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_OPENRISC_FUTEX_H
 #define __ASM_OPENRISC_FUTEX_H
 
diff --git a/arch/openrisc/include/asm/string.h b/arch/openrisc/include/asm/string.h
index 64939ccd7531..69b975454ff2 100644
--- a/arch/openrisc/include/asm/string.h
+++ b/arch/openrisc/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_OPENRISC_STRING_H
 #define __ASM_OPENRISC_STRING_H
 
diff --git a/arch/openrisc/kernel/Makefile b/arch/openrisc/kernel/Makefile
index ec6d9d37cefd..c4ea6cabad46 100644
--- a/arch/openrisc/kernel/Makefile
+++ b/arch/openrisc/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/openrisc/kernel/vmlinux.h b/arch/openrisc/kernel/vmlinux.h
index bbcdf21b0b35..bdea46c617c7 100644
--- a/arch/openrisc/kernel/vmlinux.h
+++ b/arch/openrisc/kernel/vmlinux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OPENRISC_VMLINUX_H_
 #define __OPENRISC_VMLINUX_H_
 
diff --git a/arch/openrisc/lib/memcpy.c b/arch/openrisc/lib/memcpy.c
index 669887a60e27..fe2177628fd9 100644
--- a/arch/openrisc/lib/memcpy.c
+++ b/arch/openrisc/lib/memcpy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/openrisc/lib/memcpy.c
  *
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index a57dedbfc7b7..1fd3eb5b66c6 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PARISC
 	def_bool y
 	select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug
index 0d856b94c9b1..fb3507f9b14a 100644
--- a/arch/parisc/Kconfig.debug
+++ b/arch/parisc/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/parisc/include/asm/agp.h b/arch/parisc/include/asm/agp.h
index d226ffa8fc12..cb04470e63d0 100644
--- a/arch/parisc/include/asm/agp.h
+++ b/arch/parisc/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_AGP_H
 #define _ASM_PARISC_AGP_H
 
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 17b98a87e5e2..bc54addd589f 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
  * Copyright (C) 2006 Kyle McMartin <kyle@parisc-linux.org>
  */
diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
index da87943328a5..53252d4f9a57 100644
--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_BITOPS_H
 #define _PARISC_BITOPS_H
 
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 07ea467f22fc..4b6d60b94124 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_BUG_H
 #define _PARISC_BUG_H
 
diff --git a/arch/parisc/include/asm/bugs.h b/arch/parisc/include/asm/bugs.h
index 9e6284342a5f..0a7f9db6bd1c 100644
--- a/arch/parisc/include/asm/bugs.h
+++ b/arch/parisc/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/asm-parisc/bugs.h
  *
diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index df0f52bd18b4..150b7f30ea90 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-parisc/cache.h
  */
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index c7e15cc5c668..3742508cc534 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_CACHEFLUSH_H
 #define _PARISC_CACHEFLUSH_H
 
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h
index 60c2c42619c9..3cbf1f1c1188 100644
--- a/arch/parisc/include/asm/checksum.h
+++ b/arch/parisc/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_CHECKSUM_H
 #define _PARISC_CHECKSUM_H
 
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h
index 7ada30900807..f627c37dad9c 100644
--- a/arch/parisc/include/asm/cmpxchg.h
+++ b/arch/parisc/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * forked from parisc asm/atomic.h which was:
  *	Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 3387307cc33e..07f48827afda 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_COMPAT_H
 #define _ASM_PARISC_COMPAT_H
 /*
diff --git a/arch/parisc/include/asm/compat_ucontext.h b/arch/parisc/include/asm/compat_ucontext.h
index 2f7292afde3c..c606f1bc891d 100644
--- a/arch/parisc/include/asm/compat_ucontext.h
+++ b/arch/parisc/include/asm/compat_ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_COMPAT_UCONTEXT_H
 #define _ASM_PARISC_COMPAT_UCONTEXT_H
 
diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h
index 08e58e679e3e..841b506b702a 100644
--- a/arch/parisc/include/asm/delay.h
+++ b/arch/parisc/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_DELAY_H
 #define _ASM_PARISC_DELAY_H
 
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index 2b16282add69..7af4a00b5ce2 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_DMA_MAPPING_H
 #define _PARISC_DMA_MAPPING_H
 
diff --git a/arch/parisc/include/asm/dma.h b/arch/parisc/include/asm/dma.h
index fd48ae2de950..eea80ed34e6d 100644
--- a/arch/parisc/include/asm/dma.h
+++ b/arch/parisc/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* asm/dma.h: Defines for using and allocating dma channels.
  * Written by Hennus Bergman, 1992.
  * High DMA channel support & info by Hannu Savolainen
diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index a6b2a421571e..382d75a2ee4f 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMPARISC_ELF_H
 #define __ASMPARISC_ELF_H
 
diff --git a/arch/parisc/include/asm/fb.h b/arch/parisc/include/asm/fb.h
index 4d503a023ab2..c4cd6360f996 100644
--- a/arch/parisc/include/asm/fb.h
+++ b/arch/parisc/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/parisc/include/asm/fixmap.h b/arch/parisc/include/asm/fixmap.h
index 6fec4d4a1a18..f7c3a0905de4 100644
--- a/arch/parisc/include/asm/fixmap.h
+++ b/arch/parisc/include/asm/fixmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FIXMAP_H
 #define _ASM_FIXMAP_H
 
diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h
index d635c6b0269d..42b2c75a1645 100644
--- a/arch/parisc/include/asm/ftrace.h
+++ b/arch/parisc/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_FTRACE_H
 #define _ASM_PARISC_FTRACE_H
 
diff --git a/arch/parisc/include/asm/futex.h b/arch/parisc/include/asm/futex.h
index c601aab2fb36..cf7ba058f619 100644
--- a/arch/parisc/include/asm/futex.h
+++ b/arch/parisc/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_FUTEX_H
 #define _ASM_PARISC_FUTEX_H
 
diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h
index 9b3bd039a609..077815169258 100644
--- a/arch/parisc/include/asm/hardirq.h
+++ b/arch/parisc/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* hardirq.h: PA-RISC hard IRQ support.
  *
  * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
diff --git a/arch/parisc/include/asm/hardware.h b/arch/parisc/include/asm/hardware.h
index d1d864b81bae..d6e1ed145031 100644
--- a/arch/parisc/include/asm/hardware.h
+++ b/arch/parisc/include/asm/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_HARDWARE_H
 #define _PARISC_HARDWARE_H
 
diff --git a/arch/parisc/include/asm/hash.h b/arch/parisc/include/asm/hash.h
index dbe93311aa26..525950ed862d 100644
--- a/arch/parisc/include/asm/hash.h
+++ b/arch/parisc/include/asm/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HASH_H
 #define _ASM_HASH_H
 
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index a65d888716c4..58e0f4620426 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC64_HUGETLB_H
 #define _ASM_PARISC64_HUGETLB_H
 
diff --git a/arch/parisc/include/asm/ide.h b/arch/parisc/include/asm/ide.h
index 81700a2321cf..34cdac01ed35 100644
--- a/arch/parisc/include/asm/ide.h
+++ b/arch/parisc/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/asm-parisc/ide.h
  *
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index af98254f7257..27c62baa9c4e 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IO_H
 #define _ASM_IO_H
 
diff --git a/arch/parisc/include/asm/irq.h b/arch/parisc/include/asm/irq.h
index 1073599a7be9..959e79cd2c14 100644
--- a/arch/parisc/include/asm/irq.h
+++ b/arch/parisc/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-parisc/irq.h
  *
diff --git a/arch/parisc/include/asm/irqflags.h b/arch/parisc/include/asm/irqflags.h
index 34f9cb9b4754..38a19c0bac3a 100644
--- a/arch/parisc/include/asm/irqflags.h
+++ b/arch/parisc/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_IRQFLAGS_H
 #define __PARISC_IRQFLAGS_H
 
diff --git a/arch/parisc/include/asm/kbdleds.h b/arch/parisc/include/asm/kbdleds.h
index 2e2e75a83c28..50fcce810655 100644
--- a/arch/parisc/include/asm/kbdleds.h
+++ b/arch/parisc/include/asm/kbdleds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_KBDLEDS_H
 #define _ASM_PARISC_KBDLEDS_H
 
diff --git a/arch/parisc/include/asm/kmap_types.h b/arch/parisc/include/asm/kmap_types.h
index 58e91ed0388f..3e70b5cd1123 100644
--- a/arch/parisc/include/asm/kmap_types.h
+++ b/arch/parisc/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8be707e1b6c7..dd5a08aaa4da 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_LDCW_H
 #define __PARISC_LDCW_H
 
diff --git a/arch/parisc/include/asm/led.h b/arch/parisc/include/asm/led.h
index c3405ab9d60a..6de13d08a388 100644
--- a/arch/parisc/include/asm/led.h
+++ b/arch/parisc/include/asm/led.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LED_H
 #define LED_H
 
diff --git a/arch/parisc/include/asm/linkage.h b/arch/parisc/include/asm/linkage.h
index 67e6b433d399..9a69bf6fc4b6 100644
--- a/arch/parisc/include/asm/linkage.h
+++ b/arch/parisc/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PARISC_LINKAGE_H
 #define __ASM_PARISC_LINKAGE_H
 
diff --git a/arch/parisc/include/asm/machdep.h b/arch/parisc/include/asm/machdep.h
index a231c97d703e..215d2c43989d 100644
--- a/arch/parisc/include/asm/machdep.h
+++ b/arch/parisc/include/asm/machdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_MACHDEP_H
 #define _PARISC_MACHDEP_H
 
diff --git a/arch/parisc/include/asm/mckinley.h b/arch/parisc/include/asm/mckinley.h
index d1ea6f12915e..eb84dbeb7fd9 100644
--- a/arch/parisc/include/asm/mckinley.h
+++ b/arch/parisc/include/asm/mckinley.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_PARISC_MCKINLEY_H
 #define ASM_PARISC_MCKINLEY_H
 #ifdef __KERNEL__
diff --git a/arch/parisc/include/asm/mmu.h b/arch/parisc/include/asm/mmu.h
index 6a310cf8b734..3fb70a601d5c 100644
--- a/arch/parisc/include/asm/mmu.h
+++ b/arch/parisc/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_MMU_H_
 #define _PARISC_MMU_H_
 
diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index e4a657094058..697a906ab1b0 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_MMU_CONTEXT_H
 #define __PARISC_MMU_CONTEXT_H
 
diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h
index b6b34a0987e7..fafa3893fd70 100644
--- a/arch/parisc/include/asm/mmzone.h
+++ b/arch/parisc/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_MMZONE_H
 #define _PARISC_MMZONE_H
 
diff --git a/arch/parisc/include/asm/module.h b/arch/parisc/include/asm/module.h
index bab37e99168a..c8c131a74919 100644
--- a/arch/parisc/include/asm/module.h
+++ b/arch/parisc/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_MODULE_H
 #define _ASM_PARISC_MODULE_H
 
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index bfed09d80bae..af00fe9bf846 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_PAGE_H
 #define _PARISC_PAGE_H
 
diff --git a/arch/parisc/include/asm/parisc-device.h b/arch/parisc/include/asm/parisc-device.h
index eaf4dc1c7294..d02d144c6012 100644
--- a/arch/parisc/include/asm/parisc-device.h
+++ b/arch/parisc/include/asm/parisc-device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_PARISC_DEVICE_H_
 #define _ASM_PARISC_PARISC_DEVICE_H_
 
diff --git a/arch/parisc/include/asm/parport.h b/arch/parisc/include/asm/parport.h
index c391d7cbc223..2c8e2321c24d 100644
--- a/arch/parisc/include/asm/parport.h
+++ b/arch/parisc/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  *
  * parport.h: ia32-compatible parport initialisation
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 1de1a3f412ec..6108e9df0296 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PARISC_PCI_H
 #define __ASM_PARISC_PCI_H
 
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 510341f62d97..efee44a5e063 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_PDC_H
 #define _PARISC_PDC_H
 
diff --git a/arch/parisc/include/asm/perf.h b/arch/parisc/include/asm/perf.h
index a18e11972c09..2a5a60affe70 100644
--- a/arch/parisc/include/asm/perf.h
+++ b/arch/parisc/include/asm/perf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PERF_H_
 #define _ASM_PERF_H_
 
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index f08dda3f0995..cf13275f7c6d 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PGALLOC_H
 #define _ASM_PGALLOC_H
 
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 71ca86cb0f16..fa6b7c78f18a 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_PGTABLE_H
 #define _PARISC_PGTABLE_H
 
diff --git a/arch/parisc/include/asm/prefetch.h b/arch/parisc/include/asm/prefetch.h
index 1ee7c82672c1..6e63f720024d 100644
--- a/arch/parisc/include/asm/prefetch.h
+++ b/arch/parisc/include/asm/prefetch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-parisc/prefetch.h
  *
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index b3b66c3d6f3c..0e6ab6e4a4e9 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-parisc/processor.h
  *
diff --git a/arch/parisc/include/asm/psw.h b/arch/parisc/include/asm/psw.h
index ad69a35e9c0f..76c301146c31 100644
--- a/arch/parisc/include/asm/psw.h
+++ b/arch/parisc/include/asm/psw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_PSW_H
 
 
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index 3c3cb004b7e2..46da07670c2b 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
 ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
 */
diff --git a/arch/parisc/include/asm/ropes.h b/arch/parisc/include/asm/ropes.h
index 09f51d5ab57c..8e51c775c80a 100644
--- a/arch/parisc/include/asm/ropes.h
+++ b/arch/parisc/include/asm/ropes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_ROPES_H_
 #define _ASM_PARISC_ROPES_H_
 
diff --git a/arch/parisc/include/asm/rt_sigframe.h b/arch/parisc/include/asm/rt_sigframe.h
index f0dd3b30f6c4..2b3010ade00e 100644
--- a/arch/parisc/include/asm/rt_sigframe.h
+++ b/arch/parisc/include/asm/rt_sigframe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_RT_SIGFRAME_H
 #define _ASM_PARISC_RT_SIGFRAME_H
 
diff --git a/arch/parisc/include/asm/runway.h b/arch/parisc/include/asm/runway.h
index 5bea02da7e22..f3cfe69439f6 100644
--- a/arch/parisc/include/asm/runway.h
+++ b/arch/parisc/include/asm/runway.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_PARISC_RUNWAY_H
 #define ASM_PARISC_RUNWAY_H
 #ifdef __KERNEL__
diff --git a/arch/parisc/include/asm/sections.h b/arch/parisc/include/asm/sections.h
index 9d13c3507ad6..accdf40aa5b7 100644
--- a/arch/parisc/include/asm/sections.h
+++ b/arch/parisc/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_SECTIONS_H
 #define _PARISC_SECTIONS_H
 
diff --git a/arch/parisc/include/asm/shmparam.h b/arch/parisc/include/asm/shmparam.h
index afe1300ab667..74f74e4d35b7 100644
--- a/arch/parisc/include/asm/shmparam.h
+++ b/arch/parisc/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMPARISC_SHMPARAM_H
 #define _ASMPARISC_SHMPARAM_H
 
diff --git a/arch/parisc/include/asm/signal.h b/arch/parisc/include/asm/signal.h
index 81a545773971..eeb5c8858663 100644
--- a/arch/parisc/include/asm/signal.h
+++ b/arch/parisc/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_SIGNAL_H
 #define _ASM_PARISC_SIGNAL_H
 
diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h
index ad9c9c3b4136..b9a18db4b05a 100644
--- a/arch/parisc/include/asm/smp.h
+++ b/arch/parisc/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index 748016cb122d..79feff1b0721 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SOCKET_H
 #define _ASM_SOCKET_H
 
diff --git a/arch/parisc/include/asm/special_insns.h b/arch/parisc/include/asm/special_insns.h
index e1509308899f..3d4dd68e181b 100644
--- a/arch/parisc/include/asm/special_insns.h
+++ b/arch/parisc/include/asm/special_insns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_SPECIAL_INSNS_H
 #define __PARISC_SPECIAL_INSNS_H
 
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index 55bfe4affca3..af03359e6ac5 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_H
 #define __ASM_SPINLOCK_H
 
diff --git a/arch/parisc/include/asm/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h
index 8c373aa28a86..42979c5704dc 100644
--- a/arch/parisc/include/asm/spinlock_types.h
+++ b/arch/parisc/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_TYPES_H
 #define __ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/parisc/include/asm/string.h b/arch/parisc/include/asm/string.h
index eda01be65e35..f6e1132f4e35 100644
--- a/arch/parisc/include/asm/string.h
+++ b/arch/parisc/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PA_STRING_H_
 #define _PA_STRING_H_
 
diff --git a/arch/parisc/include/asm/superio.h b/arch/parisc/include/asm/superio.h
index 6598acb4d46d..5e11c11d4395 100644
--- a/arch/parisc/include/asm/superio.h
+++ b/arch/parisc/include/asm/superio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_SUPERIO_H
 #define _PARISC_SUPERIO_H
 
diff --git a/arch/parisc/include/asm/switch_to.h b/arch/parisc/include/asm/switch_to.h
index 8ed8fea1e784..f2ac9cc0de60 100644
--- a/arch/parisc/include/asm/switch_to.h
+++ b/arch/parisc/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_SWITCH_TO_H
 #define __PARISC_SWITCH_TO_H
 
diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h
index 5e0b4e6bd99d..8bff1a58c97f 100644
--- a/arch/parisc/include/asm/syscall.h
+++ b/arch/parisc/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* syscall.h */
 
 #ifndef _ASM_PARISC_SYSCALL_H_
diff --git a/arch/parisc/include/asm/termios.h b/arch/parisc/include/asm/termios.h
index 9bbc0c8974ea..cded9dc90c1b 100644
--- a/arch/parisc/include/asm/termios.h
+++ b/arch/parisc/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_TERMIOS_H
 #define _PARISC_TERMIOS_H
 
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index bc208136bbb2..c980a02a52bc 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_THREAD_INFO_H
 #define _ASM_PARISC_THREAD_INFO_H
 
diff --git a/arch/parisc/include/asm/timex.h b/arch/parisc/include/asm/timex.h
index 2bd51f6d832b..45537cd4d1d3 100644
--- a/arch/parisc/include/asm/timex.h
+++ b/arch/parisc/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-parisc/timex.h
  *
diff --git a/arch/parisc/include/asm/tlb.h b/arch/parisc/include/asm/tlb.h
index 07924903989e..0c881e74d8a6 100644
--- a/arch/parisc/include/asm/tlb.h
+++ b/arch/parisc/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_TLB_H
 #define _PARISC_TLB_H
 
diff --git a/arch/parisc/include/asm/tlbflush.h b/arch/parisc/include/asm/tlbflush.h
index e84b96478193..14668bd52d60 100644
--- a/arch/parisc/include/asm/tlbflush.h
+++ b/arch/parisc/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PARISC_TLBFLUSH_H
 #define _PARISC_TLBFLUSH_H
 
diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h
index 63670231f48a..e00013248907 100644
--- a/arch/parisc/include/asm/traps.h
+++ b/arch/parisc/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TRAPS_H
 #define __ASM_TRAPS_H
 
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index cab33a0d0e82..ea70e36ce6af 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PARISC_UACCESS_H
 #define __PARISC_UACCESS_H
 
diff --git a/arch/parisc/include/asm/ucontext.h b/arch/parisc/include/asm/ucontext.h
index 6c8883e4b0bd..ac7f863864c5 100644
--- a/arch/parisc/include/asm/ucontext.h
+++ b/arch/parisc/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_UCONTEXT_H
 #define _ASM_PARISC_UCONTEXT_H
 
diff --git a/arch/parisc/include/asm/unaligned.h b/arch/parisc/include/asm/unaligned.h
index dfc5d3321a54..e9029c7c2a69 100644
--- a/arch/parisc/include/asm/unaligned.h
+++ b/arch/parisc/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_UNALIGNED_H
 #define _ASM_PARISC_UNALIGNED_H
 
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index 7dc31c84dd37..3d507d04eb4c 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_PARISC_UNISTD_H_
 #define _ASM_PARISC_UNISTD_H_
 
diff --git a/arch/parisc/include/asm/unwind.h b/arch/parisc/include/asm/unwind.h
index 52482e4fc20d..c73a3ee20226 100644
--- a/arch/parisc/include/asm/unwind.h
+++ b/arch/parisc/include/asm/unwind.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UNWIND_H_
 #define _UNWIND_H_
 
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index c4294df69fb6..649dc3eda448 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for arch/parisc/kernel
 #
diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c
index eb64a6148c82..9eb47b2225d2 100644
--- a/arch/parisc/kernel/audit.c
+++ b/arch/parisc/kernel/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c
index f2adcf33f8f2..20dfa081ed0b 100644
--- a/arch/parisc/kernel/binfmt_elf32.c
+++ b/arch/parisc/kernel/binfmt_elf32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for 32-bit Linux/Parisc ELF binaries on 64 bit kernels
  *
diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c
index c74478f6bc74..20c39c9d86a9 100644
--- a/arch/parisc/kernel/compat_audit.c
+++ b/arch/parisc/kernel/compat_audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/unistd.h>
 
 unsigned int parisc32_dir_class[] = {
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 5a5506a35395..6fa8535d3cce 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for tracing calls in Linux kernel.
  * Copyright (C) 2009-2016 Helge Deller <deller@gmx.de>
diff --git a/arch/parisc/kernel/pa7300lc.c b/arch/parisc/kernel/pa7300lc.c
index 9b245fc67560..0d770ac83f70 100644
--- a/arch/parisc/kernel/pa7300lc.c
+++ b/arch/parisc/kernel/pa7300lc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *   linux/arch/parisc/kernel/pa7300lc.c
  *	- PA7300LC-specific functions	
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index bd4c0a7471d3..412231d101f9 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
 ** PARISC 1.1 Dynamic DMA mapping support.
 ** This implementation is for PA-RISC platforms that do not support
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index 00aed082969b..e07eb34c8750 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Page Deallocation Table (PDT) support
  *
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index f8b6959d2d97..1a2be6e639b5 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel support for the ptrace() and syscall tracing interfaces.
  *
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 26f12f45b4bb..f2a4038e275b 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/parisc/kernel/signal.c: Architecture-specific signal
  *  handling support.
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 93c1963d76fe..2a12a547b447 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sys_parisc32.c: Conversion between 32bit and 64bit native syscalls.
  *
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 8c0105a49839..4b8fd6dc22da 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/parisc/kernel/time.c
  *
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 230333157fe3..8453724b8009 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/parisc/traps.c
  *
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index caab39dfa95d..5a657986ebbf 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel unwinding support
  *
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index ffe2cbf52d1a..159a2ec0b4e0 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*    Kernel link layout for various "sections"
  *
  *    Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org>
diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c
index 8e45b0a97abf..70ffbcf889b8 100644
--- a/arch/parisc/lib/bitops.c
+++ b/arch/parisc/lib/bitops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bitops.c: atomic operations which got too long to be inlined all over
  *      the place.
diff --git a/arch/parisc/lib/delay.c b/arch/parisc/lib/delay.c
index ec9255f27a81..7eab4bb8abe6 100644
--- a/arch/parisc/lib/delay.c
+++ b/arch/parisc/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Precise Delay Loops for parisc
  *
diff --git a/arch/parisc/lib/io.c b/arch/parisc/lib/io.c
index 7c1406ff825e..7c00496b47d4 100644
--- a/arch/parisc/lib/io.c
+++ b/arch/parisc/lib/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/parisc/lib/io.c
  *
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index eaffbb90aa14..4b19e6e64fb7 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * iomap.c - Implement iomap interface for PA-RISC
  * Copyright (c) 2004 Matthew Wilcox
diff --git a/arch/parisc/lib/ucmpdi2.c b/arch/parisc/lib/ucmpdi2.c
index 149c016f32c5..8e6014a142ef 100644
--- a/arch/parisc/lib/ucmpdi2.c
+++ b/arch/parisc/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 union ull_union {
diff --git a/arch/parisc/math-emu/Makefile b/arch/parisc/math-emu/Makefile
index 0bd63b08a79a..b6c4b254901a 100644
--- a/arch/parisc/math-emu/Makefile
+++ b/arch/parisc/math-emu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux/parisc floating point code
 #
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index 5eb8f633b282..d77479ae3af2 100644
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PARISC64 Huge TLB page support.
  *
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 1ca9a2b4239f..13f7854e0d49 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/parisc/mm/init.c
  *
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index 838d0259cd27..92a9b5f12f98 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/parisc/mm/ioremap.c
  *
diff --git a/arch/parisc/oprofile/Makefile b/arch/parisc/oprofile/Makefile
index e9feca1ca28b..86a1ccc328eb 100644
--- a/arch/parisc/oprofile/Makefile
+++ b/arch/parisc/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 809c468edab1..cb782ac1c35d 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 source "arch/powerpc/platforms/Kconfig.cputype"
 
 config PPC32
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index c86df246339e..be1c8c5beb61 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/powerpc/Makefile.postlink b/arch/powerpc/Makefile.postlink
index 5db43ebbe2df..83f8e5ba2722 100644
--- a/arch/powerpc/Makefile.postlink
+++ b/arch/powerpc/Makefile.postlink
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # Post-link powerpc pass
 # ===========================================================================
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index c4e6fe35c075..651974192c4d 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for making ELF bootable images for booting on CHRP
 # using Open Firmware.
 #
diff --git a/arch/powerpc/boot/cpm-serial.c b/arch/powerpc/boot/cpm-serial.c
index 19dc15abe43d..dfb56829cace 100644
--- a/arch/powerpc/boot/cpm-serial.c
+++ b/arch/powerpc/boot/cpm-serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CPM serial console support.
  *
diff --git a/arch/powerpc/boot/cuboot.h b/arch/powerpc/boot/cuboot.h
index cd2aa7f348f3..c2b2c58eaa0b 100644
--- a/arch/powerpc/boot/cuboot.h
+++ b/arch/powerpc/boot/cuboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_CUBOOT_H_
 #define _PPC_BOOT_CUBOOT_H_
 
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h
index bf8f4ede1928..334ab8b5a668 100644
--- a/arch/powerpc/boot/dcr.h
+++ b/arch/powerpc/boot/dcr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_DCR_H_
 #define _PPC_BOOT_DCR_H_
 
diff --git a/arch/powerpc/boot/dts/virtex440-ml510.dts b/arch/powerpc/boot/dts/virtex440-ml510.dts
index 81a8dc2c6365..81201d3907e2 100644
--- a/arch/powerpc/boot/dts/virtex440-ml510.dts
+++ b/arch/powerpc/boot/dts/virtex440-ml510.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xilinx ML510 Reference Design support
  *
diff --git a/arch/powerpc/boot/elf.h b/arch/powerpc/boot/elf.h
index 1941bc50d4c5..f6aa7c20fcaf 100644
--- a/arch/powerpc/boot/elf.h
+++ b/arch/powerpc/boot/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_ELF_H_
 #define _PPC_BOOT_ELF_H_
 
diff --git a/arch/powerpc/boot/epapr-wrapper.c b/arch/powerpc/boot/epapr-wrapper.c
index c10191006673..01262f50b769 100644
--- a/arch/powerpc/boot/epapr-wrapper.c
+++ b/arch/powerpc/boot/epapr-wrapper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 extern void epapr_platform_init(unsigned long r3, unsigned long r4,
 				unsigned long r5, unsigned long r6,
 				unsigned long r7);
diff --git a/arch/powerpc/boot/fixed-head.S b/arch/powerpc/boot/fixed-head.S
index 8e14cd9e1a54..4346c750cac1 100644
--- a/arch/powerpc/boot/fixed-head.S
+++ b/arch/powerpc/boot/fixed-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.text
 	.global _zimage_start
 _zimage_start:
diff --git a/arch/powerpc/boot/fsl-soc.h b/arch/powerpc/boot/fsl-soc.h
index 5da26fc6e3cf..00b2cb89ff2f 100644
--- a/arch/powerpc/boot/fsl-soc.h
+++ b/arch/powerpc/boot/fsl-soc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_FSL_SOC_H_
 #define _PPC_BOOT_FSL_SOC_H_
 
diff --git a/arch/powerpc/boot/io.h b/arch/powerpc/boot/io.h
index 394da5500466..5c6f90c34923 100644
--- a/arch/powerpc/boot/io.h
+++ b/arch/powerpc/boot/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IO_H
 #define _IO_H
 
diff --git a/arch/powerpc/boot/libfdt_env.h b/arch/powerpc/boot/libfdt_env.h
index 7e3789ea396b..f52c31b1f48f 100644
--- a/arch/powerpc/boot/libfdt_env.h
+++ b/arch/powerpc/boot/libfdt_env.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_POWERPC_BOOT_LIBFDT_ENV_H
 #define _ARCH_POWERPC_BOOT_LIBFDT_ENV_H
 
diff --git a/arch/powerpc/boot/mktree.c b/arch/powerpc/boot/mktree.c
index e2ae24340fc8..dc603f3c15be 100644
--- a/arch/powerpc/boot/mktree.c
+++ b/arch/powerpc/boot/mktree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Makes a tree bootable image for IBM Evaluation boards.
  * Basically, just take a zImage, skip the ELF header, and stuff
diff --git a/arch/powerpc/boot/motload-head.S b/arch/powerpc/boot/motload-head.S
index 41cabb4b63fa..826dad0c19d9 100644
--- a/arch/powerpc/boot/motload-head.S
+++ b/arch/powerpc/boot/motload-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "ppc_asm.h"
 
 	.text
diff --git a/arch/powerpc/boot/mpc52xx-psc.c b/arch/powerpc/boot/mpc52xx-psc.c
index d4cb4e4e0938..c2c08633ee35 100644
--- a/arch/powerpc/boot/mpc52xx-psc.c
+++ b/arch/powerpc/boot/mpc52xx-psc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MPC5200 PSC serial console support.
  *
diff --git a/arch/powerpc/boot/mpc8xx.h b/arch/powerpc/boot/mpc8xx.h
index 3f59901ab1c0..3852ed90047f 100644
--- a/arch/powerpc/boot/mpc8xx.h
+++ b/arch/powerpc/boot/mpc8xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_MPC8xx_H_
 #define _PPC_BOOT_MPC8xx_H_
 
diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c
index 8c9ead94be06..b0da4466d419 100644
--- a/arch/powerpc/boot/ns16550.c
+++ b/arch/powerpc/boot/ns16550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 16550 serial console support.
  *
diff --git a/arch/powerpc/boot/of.h b/arch/powerpc/boot/of.h
index 53f8f27f94e4..31b2f5dfd589 100644
--- a/arch/powerpc/boot/of.h
+++ b/arch/powerpc/boot/of.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_OF_H_
 #define _PPC_BOOT_OF_H_
 
diff --git a/arch/powerpc/boot/planetcore.h b/arch/powerpc/boot/planetcore.h
index d53c733cc463..5311db06c62b 100644
--- a/arch/powerpc/boot/planetcore.h
+++ b/arch/powerpc/boot/planetcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_PLANETCORE_H_
 #define _PPC_BOOT_PLANETCORE_H_
 
diff --git a/arch/powerpc/boot/pq2.h b/arch/powerpc/boot/pq2.h
index 481698c7a51a..f577b3bec60b 100644
--- a/arch/powerpc/boot/pq2.h
+++ b/arch/powerpc/boot/pq2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_PQ2_H_
 #define _PPC_BOOT_PQ2_H_
 
diff --git a/arch/powerpc/boot/pseries-head.S b/arch/powerpc/boot/pseries-head.S
index 6ef6e02e80f9..1b1a638ce6e8 100644
--- a/arch/powerpc/boot/pseries-head.S
+++ b/arch/powerpc/boot/pseries-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "ppc_asm.h"
 
 	.text
diff --git a/arch/powerpc/boot/redboot.h b/arch/powerpc/boot/redboot.h
index ace0b7fed8eb..8f319b1add32 100644
--- a/arch/powerpc/boot/redboot.h
+++ b/arch/powerpc/boot/redboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_REDBOOT_H
 #define _PPC_REDBOOT_H
 
diff --git a/arch/powerpc/boot/rs6000.h b/arch/powerpc/boot/rs6000.h
index d70517ccc0f7..a9d879155ef9 100644
--- a/arch/powerpc/boot/rs6000.h
+++ b/arch/powerpc/boot/rs6000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* IBM RS/6000 "XCOFF" file definitions for BFD.
    Copyright (C) 1990, 1991 Free Software Foundation, Inc.
    FIXME: Can someone provide a transliteration of this name into ASCII?
diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h
index adffc58412d4..884d5959a9ae 100644
--- a/arch/powerpc/boot/stdio.h
+++ b/arch/powerpc/boot/stdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_STDIO_H_
 #define _PPC_BOOT_STDIO_H_
 
diff --git a/arch/powerpc/boot/stdlib.h b/arch/powerpc/boot/stdlib.h
index 1bf01ac73aba..0a61fcd10fdb 100644
--- a/arch/powerpc/boot/stdlib.h
+++ b/arch/powerpc/boot/stdlib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_STDLIB_H_
 #define _PPC_BOOT_STDLIB_H_
 
diff --git a/arch/powerpc/boot/string.h b/arch/powerpc/boot/string.h
index 50091cc0eed9..3fb71171da49 100644
--- a/arch/powerpc/boot/string.h
+++ b/arch/powerpc/boot/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_STRING_H_
 #define _PPC_BOOT_STRING_H_
 #include <stddef.h>
diff --git a/arch/powerpc/boot/swab.h b/arch/powerpc/boot/swab.h
index d0e1431084ca..11d2069fbb66 100644
--- a/arch/powerpc/boot/swab.h
+++ b/arch/powerpc/boot/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_BOOT_SWAB_H_
 #define _PPC_BOOT_SWAB_H_
 
diff --git a/arch/powerpc/boot/types.h b/arch/powerpc/boot/types.h
index af6b66b842c4..8a4c418b7260 100644
--- a/arch/powerpc/boot/types.h
+++ b/arch/powerpc/boot/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TYPES_H_
 #define _TYPES_H_
 
diff --git a/arch/powerpc/boot/virtex405-head.S b/arch/powerpc/boot/virtex405-head.S
index 3edb13f94669..00bab7d7c48c 100644
--- a/arch/powerpc/boot/virtex405-head.S
+++ b/arch/powerpc/boot/virtex405-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "ppc_asm.h"
 
 	.text
diff --git a/arch/powerpc/boot/xz_config.h b/arch/powerpc/boot/xz_config.h
index 5c6afdbca642..e22e5b3770dd 100644
--- a/arch/powerpc/boot/xz_config.h
+++ b/arch/powerpc/boot/xz_config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __XZ_CONFIG_H__
 #define __XZ_CONFIG_H__
 
diff --git a/arch/powerpc/boot/zImage.coff.lds.S b/arch/powerpc/boot/zImage.coff.lds.S
index de4c9e3c9344..117951295117 100644
--- a/arch/powerpc/boot/zImage.coff.lds.S
+++ b/arch/powerpc/boot/zImage.coff.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 OUTPUT_ARCH(powerpc:common)
 ENTRY(_zimage_start_opd)
 EXTERN(_zimage_start_opd)
diff --git a/arch/powerpc/boot/zImage.lds.S b/arch/powerpc/boot/zImage.lds.S
index f080abfc2f83..4ac1e36edfe7 100644
--- a/arch/powerpc/boot/zImage.lds.S
+++ b/arch/powerpc/boot/zImage.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 
 #ifdef CONFIG_PPC64_BOOT_WRAPPER
diff --git a/arch/powerpc/boot/zImage.ps3.lds.S b/arch/powerpc/boot/zImage.ps3.lds.S
index aaa469c1e60d..7b2ff2eaa73a 100644
--- a/arch/powerpc/boot/zImage.ps3.lds.S
+++ b/arch/powerpc/boot/zImage.ps3.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 OUTPUT_ARCH(powerpc:common)
 ENTRY(_zimage_start)
 EXTERN(_zimage_start)
diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile
index 67eca3af9fc7..4808d97fede5 100644
--- a/arch/powerpc/crypto/Makefile
+++ b/arch/powerpc/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # powerpc/crypto/Makefile
 #
diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S b/arch/powerpc/crypto/sha1-powerpc-asm.S
index 82ddc9bdfeb1..c8951ce0dcc4 100644
--- a/arch/powerpc/crypto/sha1-powerpc-asm.S
+++ b/arch/powerpc/crypto/sha1-powerpc-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SHA-1 implementation for PowerPC.
  *
diff --git a/arch/powerpc/include/asm/agp.h b/arch/powerpc/include/asm/agp.h
index 416e12c2d505..b29b1186f819 100644
--- a/arch/powerpc/include/asm/agp.h
+++ b/arch/powerpc/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_AGP_H
 #define _ASM_POWERPC_AGP_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h
index 85e88f7a59c0..9c63b596e6ce 100644
--- a/arch/powerpc/include/asm/archrandom.h
+++ b/arch/powerpc/include/asm/archrandom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_ARCHRANDOM_H
 #define _ASM_POWERPC_ARCHRANDOM_H
 
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index a2cc8010cd72..682b3e6a1e21 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_ATOMIC_H_
 #define _ASM_POWERPC_ATOMIC_H_
 
diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h
index 8cf5c37c3817..1b5eab62ed04 100644
--- a/arch/powerpc/include/asm/backlight.h
+++ b/arch/powerpc/include/asm/backlight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Routines for handling backlight control on PowerBooks
  *
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index 9c601adfc500..10daa1d56e0a 100644
--- a/arch/powerpc/include/asm/barrier.h
+++ b/arch/powerpc/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h
index 880db13a2e9f..f2892c7ab73e 100644
--- a/arch/powerpc/include/asm/book3s/32/hash.h
+++ b/arch/powerpc/include/asm/book3s/32/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_32_HASH_H
 #define _ASM_POWERPC_BOOK3S_32_HASH_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
index b82e063494dd..e38c91388c40 100644
--- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h
+++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_32_MMU_HASH_H_
 #define _ASM_POWERPC_BOOK3S_32_MMU_HASH_H_
 /*
diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h
index a120e7f8d535..5073cc75f1c8 100644
--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_32_PGALLOC_H
 #define _ASM_POWERPC_BOOK3S_32_PGALLOC_H
 
diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
index 4d453f979553..016579ef16d3 100644
--- a/arch/powerpc/include/asm/book3s/32/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_32_PGTABLE_H
 #define _ASM_POWERPC_BOOK3S_32_PGTABLE_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index 0c4e470571ca..197ced1eaaa0 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_HASH_4K_H
 #define _ASM_POWERPC_BOOK3S_64_HASH_4K_H
 /*
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index 9732837aaae8..8d40cf03cb67 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_HASH_64K_H
 #define _ASM_POWERPC_BOOK3S_64_HASH_64K_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index f88452019114..ecb1239d74f4 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_HASH_H
 #define _ASM_POWERPC_BOOK3S_64_HASH_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h
index 2d1ca488ca44..c459f937d484 100644
--- a/arch/powerpc/include/asm/book3s/64/hugetlb.h
+++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_HUGETLB_H
 #define _ASM_POWERPC_BOOK3S_64_HUGETLB_H
 /*
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index c3b00e8ff791..37fdede5a24c 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_MMU_H_
 #define _ASM_POWERPC_BOOK3S_64_MMU_H_
 
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
index 8708a0239a56..af5f2baac80f 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H
 #define _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H
 /*
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
index 2ce4209399ed..fb4b3ba52339 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H
 #define _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b9aff515b4de..9a677cd5997f 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_H_
 #define _ASM_POWERPC_BOOK3S_64_PGTABLE_H_
 
diff --git a/arch/powerpc/include/asm/book3s/64/radix-4k.h b/arch/powerpc/include/asm/book3s/64/radix-4k.h
index 7c3b1fe1619e..a61aa9cd63ec 100644
--- a/arch/powerpc/include/asm/book3s/64/radix-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/radix-4k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_RADIX_4K_H
 #define _ASM_POWERPC_PGTABLE_RADIX_4K_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/radix-64k.h b/arch/powerpc/include/asm/book3s/64/radix-64k.h
index 82dc355f0b45..c7e71ba29555 100644
--- a/arch/powerpc/include/asm/book3s/64/radix-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/radix-64k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_RADIX_64K_H
 #define _ASM_POWERPC_PGTABLE_RADIX_64K_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 1e5ba94e62ef..19c44e1495ae 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_RADIX_H
 #define _ASM_POWERPC_PGTABLE_RADIX_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
index 2f6373144e2c..42178897a050 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
 #define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
index 9b433a624bf3..c2115dfcef0c 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H
 #define _ASM_POWERPC_TLBFLUSH_RADIX_H
 
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h
index 72b925f97bab..fcffddbb3102 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H
 #define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H
 
diff --git a/arch/powerpc/include/asm/book3s/pgalloc.h b/arch/powerpc/include/asm/book3s/pgalloc.h
index c0a69ae92256..6b178ca143e7 100644
--- a/arch/powerpc/include/asm/book3s/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_PGALLOC_H
 #define _ASM_POWERPC_BOOK3S_PGALLOC_H
 
diff --git a/arch/powerpc/include/asm/book3s/pgtable.h b/arch/powerpc/include/asm/book3s/pgtable.h
index 8b0f4a29259a..6436b65ac7bc 100644
--- a/arch/powerpc/include/asm/book3s/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BOOK3S_PGTABLE_H
 #define _ASM_POWERPC_BOOK3S_PGTABLE_H
 
diff --git a/arch/powerpc/include/asm/bootx.h b/arch/powerpc/include/asm/bootx.h
index dd9461003dfa..1c121f3c524f 100644
--- a/arch/powerpc/include/asm/bootx.h
+++ b/arch/powerpc/include/asm/bootx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file describes the structure passed from the BootX application
  * (for MacOS) when it is used to boot Linux.
diff --git a/arch/powerpc/include/asm/btext.h b/arch/powerpc/include/asm/btext.h
index 89fc382648bc..3ffad030393c 100644
--- a/arch/powerpc/include/asm/btext.h
+++ b/arch/powerpc/include/asm/btext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for using the procedures in btext.c.
  *
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 7ee763d3bea9..3c04249bcf39 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_BUG_H
 #define _ASM_POWERPC_BUG_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index d122f7f957ce..c1d257aa4c2d 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_CACHE_H
 #define _ASM_POWERPC_CACHE_H
 
diff --git a/arch/powerpc/include/asm/cell-regs.h b/arch/powerpc/include/asm/cell-regs.h
index fdf64fd25950..e1c431ef30e0 100644
--- a/arch/powerpc/include/asm/cell-regs.h
+++ b/arch/powerpc/include/asm/cell-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cbe_regs.h
  *
diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h
index fc46b664c49e..9b001f1f6b32 100644
--- a/arch/powerpc/include/asm/cmpxchg.h
+++ b/arch/powerpc/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_CMPXCHG_H_
 #define _ASM_POWERPC_CMPXCHG_H_
 
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index f256e1d14a14..a035b1e5dfa7 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_COMPAT_H
 #define _ASM_POWERPC_COMPAT_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/context_tracking.h b/arch/powerpc/include/asm/context_tracking.h
index 40014921ffff..f2682b28b050 100644
--- a/arch/powerpc/include/asm/context_tracking.h
+++ b/arch/powerpc/include/asm/context_tracking.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_CONTEXT_TRACKING_H
 #define _ASM_POWERPC_CONTEXT_TRACKING_H
 
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h
index 2c5c5b476804..b925df1b87d0 100644
--- a/arch/powerpc/include/asm/cpm.h
+++ b/arch/powerpc/include/asm/cpm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPM_H
 #define __CPM_H
 
diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h
index 14ad37865000..3db821876d48 100644
--- a/arch/powerpc/include/asm/cpm1.h
+++ b/arch/powerpc/include/asm/cpm1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MPC8xx Communication Processor Module.
  * Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
diff --git a/arch/powerpc/include/asm/cpm2.h b/arch/powerpc/include/asm/cpm2.h
index 7c8608b09694..2211b934ecb4 100644
--- a/arch/powerpc/include/asm/cpm2.h
+++ b/arch/powerpc/include/asm/cpm2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Communication Processor Module v2.
  *
diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h
index 0d1df02bf99d..7897d16e0990 100644
--- a/arch/powerpc/include/asm/cpu_has_feature.h
+++ b/arch/powerpc/include/asm/cpu_has_feature.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_CPU_HAS_FEATURE_H
 #define __ASM_POWERPC_CPU_HAS_FEATURE_H
 
diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h
index eb43b5c3a7b5..e210a83eb196 100644
--- a/arch/powerpc/include/asm/cpuidle.h
+++ b/arch/powerpc/include/asm/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_CPUIDLE_H
 #define _ASM_POWERPC_CPUIDLE_H
 
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index a9bf921f4efc..53b31c2bcdf4 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_CPUTABLE_H
 #define __ASM_POWERPC_CPUTABLE_H
 
diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h
index 9377bdf42eb8..d71a90924f3b 100644
--- a/arch/powerpc/include/asm/cputhreads.h
+++ b/arch/powerpc/include/asm/cputhreads.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_CPUTHREADS_H
 #define _ASM_POWERPC_CPUTHREADS_H
 
diff --git a/arch/powerpc/include/asm/dbdma.h b/arch/powerpc/include/asm/dbdma.h
index 6c69836b4ec2..4785c1716b3e 100644
--- a/arch/powerpc/include/asm/dbdma.h
+++ b/arch/powerpc/include/asm/dbdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for using the Apple Descriptor-Based DMA controller
  * in Power Macintosh computers.
diff --git a/arch/powerpc/include/asm/dcr-regs.h b/arch/powerpc/include/asm/dcr-regs.h
index 380274de429f..5c1a4973f46a 100644
--- a/arch/powerpc/include/asm/dcr-regs.h
+++ b/arch/powerpc/include/asm/dcr-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common DCR / SDR / CPR register definitions used on various IBM/AMCC
  * 4xx processors
diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h
index 5d5af3fddfd8..14e71ff6579e 100644
--- a/arch/powerpc/include/asm/debug.h
+++ b/arch/powerpc/include/asm/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index eaece3d3e225..ee1e38ff1b77 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2004 IBM
  *
diff --git a/arch/powerpc/include/asm/dma.h b/arch/powerpc/include/asm/dma.h
index a5c6d83b5f60..1b4f0254868f 100644
--- a/arch/powerpc/include/asm/dma.h
+++ b/arch/powerpc/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_DMA_H
 #define _ASM_POWERPC_DMA_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/dt_cpu_ftrs.h b/arch/powerpc/include/asm/dt_cpu_ftrs.h
index 7a34fc11bf63..71515d909ed1 100644
--- a/arch/powerpc/include/asm/dt_cpu_ftrs.h
+++ b/arch/powerpc/include/asm/dt_cpu_ftrs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_DT_CPU_FTRS_H
 #define __ASM_POWERPC_DT_CPU_FTRS_H
 
diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h
index 8196e9c7d7e8..92cac4851275 100644
--- a/arch/powerpc/include/asm/exec.h
+++ b/arch/powerpc/include/asm/exec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/extable.h b/arch/powerpc/include/asm/extable.h
index 07cc45cd86d9..eb91b2d2935a 100644
--- a/arch/powerpc/include/asm/extable.h
+++ b/arch/powerpc/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_POWERPC_EXTABLE_H
 #define _ARCH_POWERPC_EXTABLE_H
 
diff --git a/arch/powerpc/include/asm/fb.h b/arch/powerpc/include/asm/fb.h
index 411af8d17a69..6541ab77c5b9 100644
--- a/arch/powerpc/include/asm/fb.h
+++ b/arch/powerpc/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 
diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index 686c5f70eb84..9abddde372ab 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_FTRACE
 #define _ASM_POWERPC_FTRACE
 
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index 719ed9b61ea7..1a944c18c539 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_FUTEX_H
 #define _ASM_POWERPC_FUTEX_H
 
diff --git a/arch/powerpc/include/asm/grackle.h b/arch/powerpc/include/asm/grackle.h
index bd7812a519d4..7376e3fa1570 100644
--- a/arch/powerpc/include/asm/grackle.h
+++ b/arch/powerpc/include/asm/grackle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_GRACKLE_H
 #define _ASM_POWERPC_GRACKLE_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h
index c97603d617e3..456f9e7b8d83 100644
--- a/arch/powerpc/include/asm/hardirq.h
+++ b/arch/powerpc/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_HARDIRQ_H
 #define _ASM_POWERPC_HARDIRQ_H
 
diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h
index d81eac5b509f..fdcff76e9a25 100644
--- a/arch/powerpc/include/asm/head-64.h
+++ b/arch/powerpc/include/asm/head-64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_HEAD_64_H
 #define _ASM_POWERPC_HEAD_64_H
 
diff --git a/arch/powerpc/include/asm/heathrow.h b/arch/powerpc/include/asm/heathrow.h
index 93f54958a9d1..8bc5b168762e 100644
--- a/arch/powerpc/include/asm/heathrow.h
+++ b/arch/powerpc/include/asm/heathrow.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_HEATHROW_H
 #define _ASM_POWERPC_HEATHROW_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h
index 01c2c23b307e..cec820f961da 100644
--- a/arch/powerpc/include/asm/highmem.h
+++ b/arch/powerpc/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index b8a0fb442c64..93f98239159f 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_HUGETLB_H
 #define _ASM_POWERPC_HUGETLB_H
 
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 3d34dc0869f6..a409177be8bd 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_HVCALL_H
 #define _ASM_POWERPC_HVCALL_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/hvsi.h b/arch/powerpc/include/asm/hvsi.h
index d4a5315718ca..3fdc54df63c9 100644
--- a/arch/powerpc/include/asm/hvsi.h
+++ b/arch/powerpc/include/asm/hvsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _HVSI_H
 #define _HVSI_H
 
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index c1dd1929342d..abd04c36c251 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/i8259.h b/arch/powerpc/include/asm/i8259.h
index c3fdfbd5a673..d7f08ae49e12 100644
--- a/arch/powerpc/include/asm/i8259.h
+++ b/arch/powerpc/include/asm/i8259.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_I8259_H
 #define _ASM_POWERPC_I8259_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/ide.h b/arch/powerpc/include/asm/ide.h
index da01b20aea59..ce87a4441ca3 100644
--- a/arch/powerpc/include/asm/ide.h
+++ b/arch/powerpc/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1994-1996 Linus Torvalds & authors
  *
diff --git a/arch/powerpc/include/asm/ima.h b/arch/powerpc/include/asm/ima.h
index 2313bdface34..ead488cf3981 100644
--- a/arch/powerpc/include/asm/ima.h
+++ b/arch/powerpc/include/asm/ima.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_IMA_H
 #define _ASM_POWERPC_IMA_H
 
diff --git a/arch/powerpc/include/asm/immap_cpm2.h b/arch/powerpc/include/asm/immap_cpm2.h
index 7c64fda5357b..845d5b3fb212 100644
--- a/arch/powerpc/include/asm/immap_cpm2.h
+++ b/arch/powerpc/include/asm/immap_cpm2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CPM2 Internal Memory Map
  * Copyright (c) 1999 Dan Malek (dmalek@jlc.net)
diff --git a/arch/powerpc/include/asm/io-defs.h b/arch/powerpc/include/asm/io-defs.h
index 44d7927aec69..faf8617cc574 100644
--- a/arch/powerpc/include/asm/io-defs.h
+++ b/arch/powerpc/include/asm/io-defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* This file is meant to be include multiple times by other headers */
 /* last 2 argments are used by platforms/cell/io-workarounds.[ch] */
 
diff --git a/arch/powerpc/include/asm/irq_work.h b/arch/powerpc/include/asm/irq_work.h
index 744fd54de374..c6d3078bd8c3 100644
--- a/arch/powerpc/include/asm/irq_work.h
+++ b/arch/powerpc/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_IRQ_WORK_H
 #define _ASM_POWERPC_IRQ_WORK_H
 
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
index f2149066fe5d..1aeb5f13b8c4 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IRQ flags handling
  */
diff --git a/arch/powerpc/include/asm/isa-bridge.h b/arch/powerpc/include/asm/isa-bridge.h
index a3a7c1d63a7c..47295894bf91 100644
--- a/arch/powerpc/include/asm/isa-bridge.h
+++ b/arch/powerpc/include/asm/isa-bridge.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ISA_BRIDGE_H
 #define __ISA_BRIDGE_H
 
diff --git a/arch/powerpc/include/asm/kdebug.h b/arch/powerpc/include/asm/kdebug.h
index ae6d206728af..0f7c1ef37d0d 100644
--- a/arch/powerpc/include/asm/kdebug.h
+++ b/arch/powerpc/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_KDEBUG_H
 #define _ASM_POWERPC_KDEBUG_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
index c9776202d7ec..fd128d1e52b3 100644
--- a/arch/powerpc/include/asm/kdump.h
+++ b/arch/powerpc/include/asm/kdump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC64_KDUMP_H
 #define _PPC64_KDUMP_H
 
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index 25668bc8cb2a..4419d435639a 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_KEXEC_H
 #define _ASM_POWERPC_KEXEC_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/keylargo.h b/arch/powerpc/include/asm/keylargo.h
index 2156315d8a90..debdf548009d 100644
--- a/arch/powerpc/include/asm/keylargo.h
+++ b/arch/powerpc/include/asm/keylargo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_KEYLARGO_H
 #define _ASM_POWERPC_KEYLARGO_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/libata-portmap.h b/arch/powerpc/include/asm/libata-portmap.h
index 4396db57b8be..7c602da62560 100644
--- a/arch/powerpc/include/asm/libata-portmap.h
+++ b/arch/powerpc/include/asm/libata-portmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_LIBATA_PORTMAP_H
 #define __ASM_POWERPC_LIBATA_PORTMAP_H
 
diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h
index 0cf5e21179fc..1f00d2891d69 100644
--- a/arch/powerpc/include/asm/linkage.h
+++ b/arch/powerpc/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_LINKAGE_H
 #define _ASM_POWERPC_LINKAGE_H
 
diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h
index b8da91363864..600a68bd77f5 100644
--- a/arch/powerpc/include/asm/local.h
+++ b/arch/powerpc/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_POWERPC_LOCAL_H
 #define _ARCH_POWERPC_LOCAL_H
 
diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 27af7f8bbb8d..ff5fd82d9ff0 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACIO_ASIC_H__
 #define __MACIO_ASIC_H__
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/mediabay.h b/arch/powerpc/include/asm/mediabay.h
index 11037a4133ee..230fda4707b8 100644
--- a/arch/powerpc/include/asm/mediabay.h
+++ b/arch/powerpc/include/asm/mediabay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mediabay.h: definitions for using the media bay
  * on PowerBook 3400 and similar computers.
diff --git a/arch/powerpc/include/asm/mmu-40x.h b/arch/powerpc/include/asm/mmu-40x.h
index 34916865eaef..74f4edb5916e 100644
--- a/arch/powerpc/include/asm/mmu-40x.h
+++ b/arch/powerpc/include/asm/mmu-40x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MMU_40X_H_
 #define _ASM_POWERPC_MMU_40X_H_
 
diff --git a/arch/powerpc/include/asm/mmu-44x.h b/arch/powerpc/include/asm/mmu-44x.h
index bf52d704fc47..cb57f29f531d 100644
--- a/arch/powerpc/include/asm/mmu-44x.h
+++ b/arch/powerpc/include/asm/mmu-44x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MMU_44X_H_
 #define _ASM_POWERPC_MMU_44X_H_
 /*
diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
index 798b5bf91427..5bb3dbede41a 100644
--- a/arch/powerpc/include/asm/mmu-8xx.h
+++ b/arch/powerpc/include/asm/mmu-8xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MMU_8XX_H_
 #define _ASM_POWERPC_MMU_8XX_H_
 /*
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 7ca8d8e80ffa..cda94a0f5146 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MMU_BOOK3E_H_
 #define _ASM_POWERPC_MMU_BOOK3E_H_
 /*
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 78260409dc9c..6364f5c2cc3e 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MMU_H_
 #define _ASM_POWERPC_MMU_H_
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 309592589e30..492d8140a395 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_MMU_CONTEXT_H
 #define __ASM_POWERPC_MMU_CONTEXT_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h
index 4d52ccfc2366..91c69ff53a8a 100644
--- a/arch/powerpc/include/asm/mmzone.h
+++ b/arch/powerpc/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
  *
diff --git a/arch/powerpc/include/asm/mpc6xx.h b/arch/powerpc/include/asm/mpc6xx.h
index effc2291beb2..6ed9f4ccc7b9 100644
--- a/arch/powerpc/include/asm/mpc6xx.h
+++ b/arch/powerpc/include/asm/mpc6xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_MPC6xx_H
 #define __ASM_POWERPC_MPC6xx_H
 
diff --git a/arch/powerpc/include/asm/mpc8260.h b/arch/powerpc/include/asm/mpc8260.h
index 03317e1e6185..fd8c5707425b 100644
--- a/arch/powerpc/include/asm/mpc8260.h
+++ b/arch/powerpc/include/asm/mpc8260.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Since there are many different boards and no standard configuration,
  * we have a unique include file for each.  Rather than change every
diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h
index 98697611e7b3..fad8ddd697ac 100644
--- a/arch/powerpc/include/asm/mpic.h
+++ b/arch/powerpc/include/asm/mpic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_MPIC_H
 #define _ASM_POWERPC_MPIC_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/nmi.h b/arch/powerpc/include/asm/nmi.h
index 3760150a0ff0..e97f58689ca7 100644
--- a/arch/powerpc/include/asm/nmi.h
+++ b/arch/powerpc/include/asm/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_NMI_H
 #define _ASM_NMI_H
 
diff --git a/arch/powerpc/include/asm/nohash/32/pgalloc.h b/arch/powerpc/include/asm/nohash/32/pgalloc.h
index cc369a70f2bb..d072139ff2e5 100644
--- a/arch/powerpc/include/asm/nohash/32/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGALLOC_32_H
 #define _ASM_POWERPC_PGALLOC_32_H
 
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index 185c6a47f9ba..cc2bfec3aa3b 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_32_PGTABLE_H
 #define _ASM_POWERPC_NOHASH_32_PGTABLE_H
 
diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h
index 9624ebdacc47..124f9ac23a1e 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-40x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_32_PTE_40x_H
 #define _ASM_POWERPC_NOHASH_32_PTE_40x_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/nohash/32/pte-44x.h b/arch/powerpc/include/asm/nohash/32/pte-44x.h
index 0656ff81e5b0..f812c0272364 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-44x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-44x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_32_PTE_44x_H
 #define _ASM_POWERPC_NOHASH_32_PTE_44x_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
index b4df2734c078..6dc0180fd5c7 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_32_PTE_8xx_H
 #define _ASM_POWERPC_NOHASH_32_PTE_8xx_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h b/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h
index 5422d00c6145..d1ee24e9e137 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
 #define _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
index 9f4de0a1035e..c40ec32b8194 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_4K_H
 #define _ASM_POWERPC_NOHASH_64_PGTABLE_4K_H
 
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h
index 1facb584dd29..7210c2818e41 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H
 #define _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H
 
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index f0ff384d4ca5..265bbd7cba73 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_H
 #define _ASM_POWERPC_NOHASH_64_PGTABLE_H
 /*
diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h
index b39ec956d71e..0634f2949438 100644
--- a/arch/powerpc/include/asm/nohash/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_PGALLOC_H
 #define _ASM_POWERPC_NOHASH_PGALLOC_H
 
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index 17989c3d9a24..5c68f4a59f75 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_PGTABLE_H
 #define _ASM_POWERPC_NOHASH_PGTABLE_H
 
diff --git a/arch/powerpc/include/asm/nohash/pte-book3e.h b/arch/powerpc/include/asm/nohash/pte-book3e.h
index e16807b78edf..2da4532ca377 100644
--- a/arch/powerpc/include/asm/nohash/pte-book3e.h
+++ b/arch/powerpc/include/asm/nohash/pte-book3e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_NOHASH_PTE_BOOK3E_H
 #define _ASM_POWERPC_NOHASH_PTE_BOOK3E_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/ohare.h b/arch/powerpc/include/asm/ohare.h
index 0d030f9dea24..da3371fc348c 100644
--- a/arch/powerpc/include/asm/ohare.h
+++ b/arch/powerpc/include/asm/ohare.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_OHARE_H
 #define _ASM_POWERPC_OHARE_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h
index 6a8e1797f223..5c378e9b78c8 100644
--- a/arch/powerpc/include/asm/page_32.h
+++ b/arch/powerpc/include/asm/page_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PAGE_32_H
 #define _ASM_POWERPC_PAGE_32_H
 
diff --git a/arch/powerpc/include/asm/parport.h b/arch/powerpc/include/asm/parport.h
index 6595ad1d18cc..8abfb8f7c33d 100644
--- a/arch/powerpc/include/asm/parport.h
+++ b/arch/powerpc/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * parport.h: platform-specific PC-style parport initialisation
  *
diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h
index 2cedefddba37..dce863a7635c 100644
--- a/arch/powerpc/include/asm/percpu.h
+++ b/arch/powerpc/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PERCPU_H_
 #define _ASM_POWERPC_PERCPU_H_
 #ifdef __powerpc64__
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h
index 45ae1212ab8a..a14203c005f1 100644
--- a/arch/powerpc/include/asm/pgalloc.h
+++ b/arch/powerpc/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGALLOC_H
 #define _ASM_POWERPC_PGALLOC_H
 
diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h
index 67e7e3d990f4..beb6e3e79788 100644
--- a/arch/powerpc/include/asm/pgtable-be-types.h
+++ b/arch/powerpc/include/asm/pgtable-be-types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_BE_TYPES_H
 #define _ASM_POWERPC_PGTABLE_BE_TYPES_H
 
diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h
index 369a164b545c..cfe89a6fc308 100644
--- a/arch/powerpc/include/asm/pgtable-types.h
+++ b/arch/powerpc/include/asm/pgtable-types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_TYPES_H
 #define _ASM_POWERPC_PGTABLE_TYPES_H
 
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index 7d0d38f58243..ab7d2d996be4 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PGTABLE_H
 #define _ASM_POWERPC_PGTABLE_H
 
diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h
index c7b164836bc3..7f01b22fa6cb 100644
--- a/arch/powerpc/include/asm/plpar_wrappers.h
+++ b/arch/powerpc/include/asm/plpar_wrappers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_PLPAR_WRAPPERS_H
 #define _ASM_POWERPC_PLPAR_WRAPPERS_H
 
diff --git a/arch/powerpc/include/asm/pmac_pfunc.h b/arch/powerpc/include/asm/pmac_pfunc.h
index 1330d6a58c57..73bd8f28f2a8 100644
--- a/arch/powerpc/include/asm/pmac_pfunc.h
+++ b/arch/powerpc/include/asm/pmac_pfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PMAC_PFUNC_H__
 #define __PMAC_PFUNC_H__
 
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index 4ba26dd259fd..ce142ef99ba7 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Included from asm/pgtable-*.h only ! */
 
 /*
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index f92eaf7a4c0d..b779f3ccd412 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Contains the definition of registers common to all PowerPC variants.
  * If a register definition has been changed in a different PowerPC
diff --git a/arch/powerpc/include/asm/reg_8xx.h b/arch/powerpc/include/asm/reg_8xx.h
index ae16fef7a4d6..53a7e2955d3e 100644
--- a/arch/powerpc/include/asm/reg_8xx.h
+++ b/arch/powerpc/include/asm/reg_8xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Contains register definitions common to PowerPC 8xx CPUs.  Notice
  */
diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h
index 0e3ddf5177f6..d7ccf93e6279 100644
--- a/arch/powerpc/include/asm/reg_fsl_emb.h
+++ b/arch/powerpc/include/asm/reg_fsl_emb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Contains register definitions for the Freescale Embedded Performance
  * Monitor.
diff --git a/arch/powerpc/include/asm/runlatch.h b/arch/powerpc/include/asm/runlatch.h
index 54e9b963876e..cfb390edf7d0 100644
--- a/arch/powerpc/include/asm/runlatch.h
+++ b/arch/powerpc/include/asm/runlatch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
index c1818e35cf02..51209f6071c5 100644
--- a/arch/powerpc/include/asm/seccomp.h
+++ b/arch/powerpc/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SECCOMP_H
 #define _ASM_POWERPC_SECCOMP_H
 
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 7902d6358854..82bec63bbd4f 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SECTIONS_H
 #define _ASM_POWERPC_SECTIONS_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index 3a3fb0ca68f5..257d23dbf55d 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SETUP_H
 #define _ASM_POWERPC_SETUP_H
 
diff --git a/arch/powerpc/include/asm/shmparam.h b/arch/powerpc/include/asm/shmparam.h
index 5cda42a6d39e..bc0968839565 100644
--- a/arch/powerpc/include/asm/shmparam.h
+++ b/arch/powerpc/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SHMPARAM_H
 #define _ASM_POWERPC_SHMPARAM_H
 
diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h
index 5ff77722a52d..0803ca8b9149 100644
--- a/arch/powerpc/include/asm/signal.h
+++ b/arch/powerpc/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SIGNAL_H
 #define _ASM_POWERPC_SIGNAL_H
 
diff --git a/arch/powerpc/include/asm/smu.h b/arch/powerpc/include/asm/smu.h
index 09f98e861869..8dff086c0cab 100644
--- a/arch/powerpc/include/asm/smu.h
+++ b/arch/powerpc/include/asm/smu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SMU_H
 #define _SMU_H
 
diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h
index c88930c9db7f..a7916ee6dfb6 100644
--- a/arch/powerpc/include/asm/sparsemem.h
+++ b/arch/powerpc/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SPARSEMEM_H
 #define _ASM_POWERPC_SPARSEMEM_H 1
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h
index 2351adc4fdc4..87adaf13b7e8 100644
--- a/arch/powerpc/include/asm/spinlock_types.h
+++ b/arch/powerpc/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SPINLOCK_TYPES_H
 #define _ASM_POWERPC_SPINLOCK_TYPES_H
 
diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h
index cc9addefb51c..d98ac188cedb 100644
--- a/arch/powerpc/include/asm/string.h
+++ b/arch/powerpc/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_STRING_H
 #define _ASM_POWERPC_STRING_H
 
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 17c8380673a6..bf820f53e27e 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
  */
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index 78efe8d5d775..63e7f5a1f105 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_SYNCH_H 
 #define _ASM_POWERPC_SYNCH_H 
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 16fab6898240..1b90a3516a35 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_POWERPC_SYSCALLS_H
 #define __ASM_POWERPC_SYSCALLS_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 1c9470881c4a..449912f057f6 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * List of powerpc syscalls. For the meaning of the _SPU suffix see
  * arch/powerpc/platforms/cell/spu_callbacks.c
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index a941cc6fc3e9..a264c3ad366b 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: PowerPC low-level thread information
  * adapted from the i386 version by Paul Mackerras
  *
diff --git a/arch/powerpc/include/asm/timex.h b/arch/powerpc/include/asm/timex.h
index cb61eae5b7ed..926b9f91a3ef 100644
--- a/arch/powerpc/include/asm/timex.h
+++ b/arch/powerpc/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_TIMEX_H
 #define _ASM_POWERPC_TIMEX_H
 
diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h
index 82e06ca3a49b..a8bc72a7f4be 100644
--- a/arch/powerpc/include/asm/tm.h
+++ b/arch/powerpc/include/asm/tm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Transactional memory support routines to reclaim and recheckpoint
  * transactional process state.
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 2d84bca8d053..023ff9f17501 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_TOPOLOGY_H
 #define _ASM_POWERPC_TOPOLOGY_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index 18f168aebae3..33f3b479138b 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM powerpc
 
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 9c0e60ca1666..11f4bd07cce0 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_POWERPC_UACCESS_H
 #define _ARCH_POWERPC_UACCESS_H
 
diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h
index 8296381ae432..ce69c5eff95e 100644
--- a/arch/powerpc/include/asm/unaligned.h
+++ b/arch/powerpc/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_UNALIGNED_H
 #define _ASM_POWERPC_UNALIGNED_H
 
diff --git a/arch/powerpc/include/asm/uninorth.h b/arch/powerpc/include/asm/uninorth.h
index a1d112979fd2..e278299b9b37 100644
--- a/arch/powerpc/include/asm/uninorth.h
+++ b/arch/powerpc/include/asm/uninorth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * uninorth.h: definitions for using the "UniNorth" host bridge chip
  *             from Apple. This chip is used on "Core99" machines
diff --git a/arch/powerpc/include/asm/user.h b/arch/powerpc/include/asm/user.h
index 3fd4545dd74e..5c0e082eae7b 100644
--- a/arch/powerpc/include/asm/user.h
+++ b/arch/powerpc/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_USER_H
 #define _ASM_POWERPC_USER_H
 
diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h
index c53f5f6d1761..b5e1f8f8a05c 100644
--- a/arch/powerpc/include/asm/vdso.h
+++ b/arch/powerpc/include/asm/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PPC64_VDSO_H__
 #define __PPC64_VDSO_H__
 
diff --git a/arch/powerpc/include/asm/vga.h b/arch/powerpc/include/asm/vga.h
index 7a7b541b7493..fcf721682a71 100644
--- a/arch/powerpc/include/asm/vga.h
+++ b/arch/powerpc/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_POWERPC_VGA_H_
 #define _ASM_POWERPC_VGA_H_
 
diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h
index 7ce2c3ac2964..8e903b3f9c24 100644
--- a/arch/powerpc/include/asm/xics.h
+++ b/arch/powerpc/include/asm/xics.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common definitions across all variants of ICP and ICS interrupt
  * controllers.
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 91960f83039c..6c6cce937dd8 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c
index a4dab7cab348..a2dddd7f3d09 100644
--- a/arch/powerpc/kernel/audit.c
+++ b/arch/powerpc/kernel/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 3f46ca1c59f9..6537cba1a758 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Procedures for drawing on the screen early on in the boot process.
  *
diff --git a/arch/powerpc/kernel/cacheinfo.h b/arch/powerpc/kernel/cacheinfo.h
index a7b74d36acd7..955f5e999f1b 100644
--- a/arch/powerpc/kernel/cacheinfo.h
+++ b/arch/powerpc/kernel/cacheinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_CACHEINFO_H
 #define _PPC_CACHEINFO_H
 
diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c
index 108ff14e2122..55c6ccda0a85 100644
--- a/arch/powerpc/kernel/compat_audit.c
+++ b/arch/powerpc/kernel/compat_audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef __powerpc64__
 #include <asm/unistd.h>
 
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 8f7abf9baa63..66f33e7f8d40 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corporation
  *
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index b82586c53560..1c80bd292e48 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains the 64-bit "server" PowerPC variant
  * of the low level exception handling including exception
diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/fsl_booke_entry_mapping.S
index 83dd0f6776b3..ea065282b303 100644
--- a/arch/powerpc/kernel/fsl_booke_entry_mapping.S
+++ b/arch/powerpc/kernel/fsl_booke_entry_mapping.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* 1. Find the index of the entry we're executing in */
 	bl	invstr				/* Find our address */
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index a620203f7de3..d0862a100d29 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HEAD_BOOKE_H__
 #define __HEAD_BOOKE_H__
 
diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
index a1854d1ded8b..aab456ed2a00 100644
--- a/arch/powerpc/kernel/iomap.c
+++ b/arch/powerpc/kernel/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ppc64 "iomap" interface implementation.
  *
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 5e5a64a8b4e4..33b34a58fc62 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/serial.h>
 #include <linux/serial_8250.h>
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 6295e646f78c..9cb7f88df563 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef DEBUG
 
 #include <linux/kernel.h>
diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index df56dfc4b681..c8c5f3a550c2 100644
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *   Copyright (C) 2000 Tilmann Bitterberg
  *   (tilmann@bitterberg.de)
diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c
index c57c19358a26..49600985c7ef 100644
--- a/arch/powerpc/kernel/rtas-rtc.c
+++ b/arch/powerpc/kernel/rtas-rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/time.h>
 #include <linux/timer.h>
diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c
index 7a37ecd3afa3..21c39355b25e 100644
--- a/arch/powerpc/kernel/smp-tbsync.c
+++ b/arch/powerpc/kernel/smp-tbsync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Smp timebase synchronization for ppc.
  *
diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S
index ba4dee3d233f..34b73a262709 100644
--- a/arch/powerpc/kernel/swsusp_32.S
+++ b/arch/powerpc/kernel/swsusp_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/threads.h>
 #include <asm/processor.h>
 #include <asm/page.h>
diff --git a/arch/powerpc/kernel/swsusp_booke.S b/arch/powerpc/kernel/swsusp_booke.S
index 553c1405ee05..88cfdbd530f1 100644
--- a/arch/powerpc/kernel/swsusp_booke.S
+++ b/arch/powerpc/kernel/swsusp_booke.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Based on swsusp_32.S, modified for FSL BookE by
  * Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c
index a753b72efbc0..a3374e8a258c 100644
--- a/arch/powerpc/kernel/tau_6xx.c
+++ b/arch/powerpc/kernel/tau_6xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * temp.c	Thermal management for cpu's with Thermal Assist Units
  *
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index c4ba37822ba0..1da12f521cb7 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Transactional memory support routines to reclaim and recheckpoint
  * transactional process state.
diff --git a/arch/powerpc/kernel/trace/Makefile b/arch/powerpc/kernel/trace/Makefile
index 729dffc5f7bc..d22d8bafb643 100644
--- a/arch/powerpc/kernel/trace/Makefile
+++ b/arch/powerpc/kernel/trace/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the powerpc trace subsystem
 #
diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c
index 32509de6ce4c..4741fe112f05 100644
--- a/arch/powerpc/kernel/trace/ftrace.c
+++ b/arch/powerpc/kernel/trace/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for replacing ftrace calls with jumps.
  *
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 78a7449bf489..b8c434d1d459 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 # List of files in the vdso, has to be asm only for now
 
diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S
index e58ee10fa5c0..099a6db14e67 100644
--- a/arch/powerpc/kernel/vdso32/vdso32.lds.S
+++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is the infamous ld script for the 32 bits vdso
  * library
diff --git a/arch/powerpc/kernel/vdso32/vdso32_wrapper.S b/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
index 6ac107ac402a..3f5ef035b0a9 100644
--- a/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
+++ b/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/page.h>
 
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 31107bf5a61f..69cecb346269 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # List of files in the vdso, has to be asm only for now
 
 obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o getcpu.o
diff --git a/arch/powerpc/kernel/vdso64/vdso64.lds.S b/arch/powerpc/kernel/vdso64/vdso64.lds.S
index 64fb183a47c2..256fb9720298 100644
--- a/arch/powerpc/kernel/vdso64/vdso64.lds.S
+++ b/arch/powerpc/kernel/vdso64/vdso64.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is the infamous ld script for the 64 bits vdso
  * library
diff --git a/arch/powerpc/kernel/vdso64/vdso64_wrapper.S b/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
index df60fca6a13d..1d56d81fe3b3 100644
--- a/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
+++ b/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/page.h>
 
diff --git a/arch/powerpc/kernel/vecemu.c b/arch/powerpc/kernel/vecemu.c
index 2d8f6d8ccafc..8812085883fd 100644
--- a/arch/powerpc/kernel/vecemu.c
+++ b/arch/powerpc/kernel/vecemu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Routines to emulate some Altivec/VMX instructions, specifically
  * those that can trap when given denormalized operands in Java mode.
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index 0c123f3406cd..f314fd475491 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/processor.h>
 #include <asm/ppc_asm.h>
 #include <asm/reg.h>
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 882628fa6987..0494e1566ee2 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_PPC64
 #define PROVIDE32(x)	PROVIDE(__unused__##x)
 #else
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index c702a8981452..57190f384f63 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Watchdog support on powerpc systems.
  *
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 0c52cb5d43f5..b12b8eb39c29 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 381a6ec0ff3b..85ba80de7133 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Kernel-based Virtual Machine module
 #
diff --git a/arch/powerpc/kvm/book3s_hv_rm_xive.c b/arch/powerpc/kvm/book3s_hv_rm_xive.c
index 5b81a807d742..174d75e476fa 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_xive.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_xive.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/kvm_host.h>
 #include <linux/err.h>
diff --git a/arch/powerpc/kvm/irq.h b/arch/powerpc/kvm/irq.h
index 3f1be85a83bc..e6463f866abc 100644
--- a/arch/powerpc/kvm/irq.h
+++ b/arch/powerpc/kvm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IRQ_H
 #define __IRQ_H
 
diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h
index 2e0e67ef3544..491b0f715d6b 100644
--- a/arch/powerpc/kvm/trace.h
+++ b/arch/powerpc/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_H
 
diff --git a/arch/powerpc/kvm/trace_book3s.h b/arch/powerpc/kvm/trace_book3s.h
index f647ce0f428b..f3b23759e017 100644
--- a/arch/powerpc/kvm/trace_book3s.h
+++ b/arch/powerpc/kvm/trace_book3s.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_BOOK3S_H)
 #define _TRACE_KVM_BOOK3S_H
 
diff --git a/arch/powerpc/kvm/trace_booke.h b/arch/powerpc/kvm/trace_booke.h
index 7ec534d1db9f..ac640e81fdc5 100644
--- a/arch/powerpc/kvm/trace_booke.h
+++ b/arch/powerpc/kvm/trace_booke.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_BOOKE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_BOOKE_H
 
diff --git a/arch/powerpc/kvm/trace_hv.h b/arch/powerpc/kvm/trace_hv.h
index ebc6dd449556..bcfe8a987f6a 100644
--- a/arch/powerpc/kvm/trace_hv.h
+++ b/arch/powerpc/kvm/trace_hv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_HV_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_HV_H
 
diff --git a/arch/powerpc/kvm/trace_pr.h b/arch/powerpc/kvm/trace_pr.h
index d44f324184fb..85785a370c0e 100644
--- a/arch/powerpc/kvm/trace_pr.h
+++ b/arch/powerpc/kvm/trace_pr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #if !defined(_TRACE_KVM_PR_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_PR_H
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 50d5bf954cff..c66c3626a216 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ppc-specific library files..
 #
diff --git a/arch/powerpc/lib/alloc.c b/arch/powerpc/lib/alloc.c
index a58abe4afbd1..06796dec01ea 100644
--- a/arch/powerpc/lib/alloc.c
+++ b/arch/powerpc/lib/alloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/slab.h>
diff --git a/arch/powerpc/lib/xor_vmx.h b/arch/powerpc/lib/xor_vmx.h
index 4746708451ae..5c2b0839b179 100644
--- a/arch/powerpc/lib/xor_vmx.h
+++ b/arch/powerpc/lib/xor_vmx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Simple interface to link xor_vmx.c and xor_vmx_glue.c
  *
diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile
index 1b46ab4f6417..494df26c5988 100644
--- a/arch/powerpc/math-emu/Makefile
+++ b/arch/powerpc/math-emu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 math-emu-common-objs = math.o fre.o fsqrt.o fsqrts.o frsqrtes.o mtfsf.o mtfsfi.o
 obj-$(CONFIG_MATH_EMULATION_HW_UNIMPLEMENTED) += $(math-emu-common-objs)
 obj-$(CONFIG_MATH_EMULATION_FULL) += $(math-emu-common-objs) fabs.o fadd.o \
diff --git a/arch/powerpc/math-emu/fabs.c b/arch/powerpc/math-emu/fabs.c
index a5e7ad1384ee..3b62fd70b77e 100644
--- a/arch/powerpc/math-emu/fabs.c
+++ b/arch/powerpc/math-emu/fabs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fadd.c b/arch/powerpc/math-emu/fadd.c
index 29de37e0e0da..727e49ad55d1 100644
--- a/arch/powerpc/math-emu/fadd.c
+++ b/arch/powerpc/math-emu/fadd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fadds.c b/arch/powerpc/math-emu/fadds.c
index 7093c5b58002..45254be05662 100644
--- a/arch/powerpc/math-emu/fadds.c
+++ b/arch/powerpc/math-emu/fadds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fcmpo.c b/arch/powerpc/math-emu/fcmpo.c
index 5d644467221c..f437d0896c59 100644
--- a/arch/powerpc/math-emu/fcmpo.c
+++ b/arch/powerpc/math-emu/fcmpo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fcmpu.c b/arch/powerpc/math-emu/fcmpu.c
index 0f9bf4864832..65631fa5dc39 100644
--- a/arch/powerpc/math-emu/fcmpu.c
+++ b/arch/powerpc/math-emu/fcmpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fctiw.c b/arch/powerpc/math-emu/fctiw.c
index 716d6da7f204..ebb0f11e735e 100644
--- a/arch/powerpc/math-emu/fctiw.c
+++ b/arch/powerpc/math-emu/fctiw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fctiwz.c b/arch/powerpc/math-emu/fctiwz.c
index 7212fa7cfd36..426271c4f004 100644
--- a/arch/powerpc/math-emu/fctiwz.c
+++ b/arch/powerpc/math-emu/fctiwz.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fdiv.c b/arch/powerpc/math-emu/fdiv.c
index e1e452069e49..6e64ece2d395 100644
--- a/arch/powerpc/math-emu/fdiv.c
+++ b/arch/powerpc/math-emu/fdiv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c
index 5511e2d1c3ad..f9f7adf46262 100644
--- a/arch/powerpc/math-emu/fdivs.c
+++ b/arch/powerpc/math-emu/fdivs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmadd.c b/arch/powerpc/math-emu/fmadd.c
index 2b6fae0bc8c2..e8458aed5edb 100644
--- a/arch/powerpc/math-emu/fmadd.c
+++ b/arch/powerpc/math-emu/fmadd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmadds.c b/arch/powerpc/math-emu/fmadds.c
index aff35f24a236..a6d3f9842f19 100644
--- a/arch/powerpc/math-emu/fmadds.c
+++ b/arch/powerpc/math-emu/fmadds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmr.c b/arch/powerpc/math-emu/fmr.c
index f6347911f6a3..48c64374286e 100644
--- a/arch/powerpc/math-emu/fmr.c
+++ b/arch/powerpc/math-emu/fmr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c
index 1fb26cebe04e..605cda49e7b2 100644
--- a/arch/powerpc/math-emu/fmsub.c
+++ b/arch/powerpc/math-emu/fmsub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmsubs.c b/arch/powerpc/math-emu/fmsubs.c
index f73965453e05..f26ec0acf0a5 100644
--- a/arch/powerpc/math-emu/fmsubs.c
+++ b/arch/powerpc/math-emu/fmsubs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmul.c b/arch/powerpc/math-emu/fmul.c
index ffd31b549290..d114f7acdbb1 100644
--- a/arch/powerpc/math-emu/fmul.c
+++ b/arch/powerpc/math-emu/fmul.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fmuls.c b/arch/powerpc/math-emu/fmuls.c
index 21aee431ca9d..aaeba0acb47f 100644
--- a/arch/powerpc/math-emu/fmuls.c
+++ b/arch/powerpc/math-emu/fmuls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fnabs.c b/arch/powerpc/math-emu/fnabs.c
index af877a53d264..6c439e6c2c58 100644
--- a/arch/powerpc/math-emu/fnabs.c
+++ b/arch/powerpc/math-emu/fnabs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fneg.c b/arch/powerpc/math-emu/fneg.c
index 8417d174758c..791e724f712f 100644
--- a/arch/powerpc/math-emu/fneg.c
+++ b/arch/powerpc/math-emu/fneg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fnmadd.c b/arch/powerpc/math-emu/fnmadd.c
index 6316ef0e0874..02a7099b26af 100644
--- a/arch/powerpc/math-emu/fnmadd.c
+++ b/arch/powerpc/math-emu/fnmadd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fnmadds.c b/arch/powerpc/math-emu/fnmadds.c
index 9ffe037df2b9..ce42a7a44d2e 100644
--- a/arch/powerpc/math-emu/fnmadds.c
+++ b/arch/powerpc/math-emu/fnmadds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fnmsub.c b/arch/powerpc/math-emu/fnmsub.c
index f97a9cfb54ea..eade699c51d5 100644
--- a/arch/powerpc/math-emu/fnmsub.c
+++ b/arch/powerpc/math-emu/fnmsub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fnmsubs.c b/arch/powerpc/math-emu/fnmsubs.c
index 7fa1217bd930..4e1f6c2b7c40 100644
--- a/arch/powerpc/math-emu/fnmsubs.c
+++ b/arch/powerpc/math-emu/fnmsubs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fre.c b/arch/powerpc/math-emu/fre.c
index b621a790aa67..584b16f53304 100644
--- a/arch/powerpc/math-emu/fre.c
+++ b/arch/powerpc/math-emu/fre.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fres.c b/arch/powerpc/math-emu/fres.c
index 211c30d0145f..f7d5654ce7d6 100644
--- a/arch/powerpc/math-emu/fres.c
+++ b/arch/powerpc/math-emu/fres.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/frsp.c b/arch/powerpc/math-emu/frsp.c
index 3e3bc73e27ae..cb33e3d9bbb2 100644
--- a/arch/powerpc/math-emu/frsp.c
+++ b/arch/powerpc/math-emu/frsp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/frsqrte.c b/arch/powerpc/math-emu/frsqrte.c
index 7c2ce43750dc..72955b27c3ca 100644
--- a/arch/powerpc/math-emu/frsqrte.c
+++ b/arch/powerpc/math-emu/frsqrte.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/frsqrtes.c b/arch/powerpc/math-emu/frsqrtes.c
index 269951a8c650..a036f7b7140c 100644
--- a/arch/powerpc/math-emu/frsqrtes.c
+++ b/arch/powerpc/math-emu/frsqrtes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fsel.c b/arch/powerpc/math-emu/fsel.c
index 32b62c6c7f48..b0d15e15a5d3 100644
--- a/arch/powerpc/math-emu/fsel.c
+++ b/arch/powerpc/math-emu/fsel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fsqrt.c b/arch/powerpc/math-emu/fsqrt.c
index 0e2a34b616dc..05438590388e 100644
--- a/arch/powerpc/math-emu/fsqrt.c
+++ b/arch/powerpc/math-emu/fsqrt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fsqrts.c b/arch/powerpc/math-emu/fsqrts.c
index 420cf19b5fd4..1624f97c69cc 100644
--- a/arch/powerpc/math-emu/fsqrts.c
+++ b/arch/powerpc/math-emu/fsqrts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fsub.c b/arch/powerpc/math-emu/fsub.c
index feedd705cf62..47a8f847b422 100644
--- a/arch/powerpc/math-emu/fsub.c
+++ b/arch/powerpc/math-emu/fsub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/fsubs.c b/arch/powerpc/math-emu/fsubs.c
index 74190514063e..fa1b3b18c379 100644
--- a/arch/powerpc/math-emu/fsubs.c
+++ b/arch/powerpc/math-emu/fsubs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/lfd.c b/arch/powerpc/math-emu/lfd.c
index d998a50740a0..3a6b03d999ab 100644
--- a/arch/powerpc/math-emu/lfd.c
+++ b/arch/powerpc/math-emu/lfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/lfs.c b/arch/powerpc/math-emu/lfs.c
index 1ee10b83d7e3..7fd3d0854cd8 100644
--- a/arch/powerpc/math-emu/lfs.c
+++ b/arch/powerpc/math-emu/lfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c
index 76ee2e5dba65..30b4b69c6941 100644
--- a/arch/powerpc/math-emu/math.c
+++ b/arch/powerpc/math-emu/math.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1999  Eddie C. Dost  (ecd@atecom.com)
  */
diff --git a/arch/powerpc/math-emu/mcrfs.c b/arch/powerpc/math-emu/mcrfs.c
index 8e8e72397ebc..9c4fdaace475 100644
--- a/arch/powerpc/math-emu/mcrfs.c
+++ b/arch/powerpc/math-emu/mcrfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/mffs.c b/arch/powerpc/math-emu/mffs.c
index e00fdc22a0bc..d42f1278e958 100644
--- a/arch/powerpc/math-emu/mffs.c
+++ b/arch/powerpc/math-emu/mffs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c
index 5ed3e7d5063e..5753170b5dfd 100644
--- a/arch/powerpc/math-emu/mtfsb0.c
+++ b/arch/powerpc/math-emu/mtfsb0.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/mtfsb1.c b/arch/powerpc/math-emu/mtfsb1.c
index 602aa16eda81..8162c3bfd149 100644
--- a/arch/powerpc/math-emu/mtfsb1.c
+++ b/arch/powerpc/math-emu/mtfsb1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/mtfsf.c b/arch/powerpc/math-emu/mtfsf.c
index b0d5593ad357..7ae990f6b58b 100644
--- a/arch/powerpc/math-emu/mtfsf.c
+++ b/arch/powerpc/math-emu/mtfsf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/mtfsfi.c b/arch/powerpc/math-emu/mtfsfi.c
index 5df30541a784..45f1edbda357 100644
--- a/arch/powerpc/math-emu/mtfsfi.c
+++ b/arch/powerpc/math-emu/mtfsfi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/stfd.c b/arch/powerpc/math-emu/stfd.c
index 6baeaec134a2..463d2f0832d9 100644
--- a/arch/powerpc/math-emu/stfd.c
+++ b/arch/powerpc/math-emu/stfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/stfiwx.c b/arch/powerpc/math-emu/stfiwx.c
index 9da7c5d1a872..24ae9622fed6 100644
--- a/arch/powerpc/math-emu/stfiwx.c
+++ b/arch/powerpc/math-emu/stfiwx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/stfs.c b/arch/powerpc/math-emu/stfs.c
index 62bd25264fb5..ddf9bbdb5b55 100644
--- a/arch/powerpc/math-emu/stfs.c
+++ b/arch/powerpc/math-emu/stfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
diff --git a/arch/powerpc/math-emu/udivmodti4.c b/arch/powerpc/math-emu/udivmodti4.c
index 6172044ab003..1e52633dcbb7 100644
--- a/arch/powerpc/math-emu/udivmodti4.c
+++ b/arch/powerpc/math-emu/udivmodti4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* This has so very few changes over libgcc2's __udivmoddi4 it isn't funny.  */
 
 #include <math-emu/soft-fp.h>
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index fb844d2f266e..a0c327d544d1 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ppc-specific parts of the memory manager.
 #
diff --git a/arch/powerpc/mm/highmem.c b/arch/powerpc/mm/highmem.c
index e292c8a60952..668e87d03f9e 100644
--- a/arch/powerpc/mm/highmem.c
+++ b/arch/powerpc/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * highmem.c: virtual kernel memory mappings for high memory
  *
diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c
index bfe4e8526b2d..f84ec46cdb26 100644
--- a/arch/powerpc/mm/hugetlbpage-book3e.c
+++ b/arch/powerpc/mm/hugetlbpage-book3e.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PPC Huge TLB Page Support for Book3E MMU
  *
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index a84bb44497f9..0c2a91df3210 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PPC64 Huge TLB Page Support for hash based MMUs (POWER4 and later)
  *
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c
index a12e86395025..558e9d3891bf 100644
--- a/arch/powerpc/mm/hugetlbpage-radix.c
+++ b/arch/powerpc/mm/hugetlbpage-radix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <asm/pgtable.h>
diff --git a/arch/powerpc/mm/vphn.c b/arch/powerpc/mm/vphn.c
index 5f8ef50e5c66..f83044faac23 100644
--- a/arch/powerpc/mm/vphn.c
+++ b/arch/powerpc/mm/vphn.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/byteorder.h>
 #include "vphn.h"
 
diff --git a/arch/powerpc/mm/vphn.h b/arch/powerpc/mm/vphn.h
index fe8b7805b78f..f9ffdb3942fc 100644
--- a/arch/powerpc/mm/vphn.h
+++ b/arch/powerpc/mm/vphn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_POWERPC_MM_VPHN_H_
 #define _ARCH_POWERPC_MM_VPHN_H_
 
diff --git a/arch/powerpc/net/Makefile b/arch/powerpc/net/Makefile
index c1ff16a6eb51..02d369ca6a53 100644
--- a/arch/powerpc/net/Makefile
+++ b/arch/powerpc/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific network modules
 #
diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile
index cedbbeced632..7a7834c39f64 100644
--- a/arch/powerpc/oprofile/Makefile
+++ b/arch/powerpc/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
 ccflags-$(CONFIG_PPC64)	:= $(NO_MINIMAL_TOC)
diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile
index 3f3a5ce66495..225c9c86d7c0 100644
--- a/arch/powerpc/perf/Makefile
+++ b/arch/powerpc/perf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
 obj-$(CONFIG_PERF_EVENTS)	+= callchain.o perf_regs.o
diff --git a/arch/powerpc/perf/hv-24x7-catalog.h b/arch/powerpc/perf/hv-24x7-catalog.h
index 69e2e1faf902..5fab5a397da9 100644
--- a/arch/powerpc/perf/hv-24x7-catalog.h
+++ b/arch/powerpc/perf/hv-24x7-catalog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
 #define LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
 
diff --git a/arch/powerpc/perf/hv-24x7-domains.h b/arch/powerpc/perf/hv-24x7-domains.h
index 49c1efd50045..6f91f62e0aa6 100644
--- a/arch/powerpc/perf/hv-24x7-domains.h
+++ b/arch/powerpc/perf/hv-24x7-domains.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  * DOMAIN(name, num, index_kind, is_physical)
diff --git a/arch/powerpc/perf/hv-24x7.h b/arch/powerpc/perf/hv-24x7.h
index 5092c4a222a6..ae4ae4813e16 100644
--- a/arch/powerpc/perf/hv-24x7.h
+++ b/arch/powerpc/perf/hv-24x7.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_POWERPC_PERF_HV_24X7_H_
 #define LINUX_POWERPC_PERF_HV_24X7_H_
 
diff --git a/arch/powerpc/perf/hv-common.c b/arch/powerpc/perf/hv-common.c
index 7dce8f109967..0370518edd20 100644
--- a/arch/powerpc/perf/hv-common.c
+++ b/arch/powerpc/perf/hv-common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/io.h>
 #include <asm/hvcall.h>
 
diff --git a/arch/powerpc/perf/hv-common.h b/arch/powerpc/perf/hv-common.h
index 349aaba4d2d1..2cce17bc321c 100644
--- a/arch/powerpc/perf/hv-common.h
+++ b/arch/powerpc/perf/hv-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
 #define LINUX_POWERPC_PERF_HV_COMMON_H_
 
diff --git a/arch/powerpc/perf/hv-gpci-requests.h b/arch/powerpc/perf/hv-gpci-requests.h
index acd17648cd18..e608f9db12dd 100644
--- a/arch/powerpc/perf/hv-gpci-requests.h
+++ b/arch/powerpc/perf/hv-gpci-requests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include "req-gen/_begin.h"
 
diff --git a/arch/powerpc/perf/hv-gpci.h b/arch/powerpc/perf/hv-gpci.h
index 86ede8275961..a3053eda5dcc 100644
--- a/arch/powerpc/perf/hv-gpci.h
+++ b/arch/powerpc/perf/hv-gpci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
 #define LINUX_POWERPC_PERF_HV_GPCI_H_
 
diff --git a/arch/powerpc/perf/req-gen/_begin.h b/arch/powerpc/perf/req-gen/_begin.h
index acfb17a55c16..549f8782c52d 100644
--- a/arch/powerpc/perf/req-gen/_begin.h
+++ b/arch/powerpc/perf/req-gen/_begin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Include paths to be used in interface defining headers */
 #ifndef POWERPC_PERF_REQ_GEN_H_
 #define POWERPC_PERF_REQ_GEN_H_
diff --git a/arch/powerpc/perf/req-gen/_clear.h b/arch/powerpc/perf/req-gen/_clear.h
index 422974f89573..67c3859157f3 100644
--- a/arch/powerpc/perf/req-gen/_clear.h
+++ b/arch/powerpc/perf/req-gen/_clear.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef __field_
 #undef __count_
diff --git a/arch/powerpc/perf/req-gen/_request-begin.h b/arch/powerpc/perf/req-gen/_request-begin.h
index f6d98642cf1d..7c74c2ab4c0c 100644
--- a/arch/powerpc/perf/req-gen/_request-begin.h
+++ b/arch/powerpc/perf/req-gen/_request-begin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #define REQUEST(r_contents) \
 	REQUEST_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, I(r_contents))
diff --git a/arch/powerpc/perf/req-gen/_request-end.h b/arch/powerpc/perf/req-gen/_request-end.h
index 5573be6c3588..7d9f4046c2ca 100644
--- a/arch/powerpc/perf/req-gen/_request-end.h
+++ b/arch/powerpc/perf/req-gen/_request-end.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef REQUEST
 #undef __field
 #undef __array
diff --git a/arch/powerpc/perf/req-gen/perf.h b/arch/powerpc/perf/req-gen/perf.h
index 1b122469323d..871a9a1766c2 100644
--- a/arch/powerpc/perf/req-gen/perf.h
+++ b/arch/powerpc/perf/req-gen/perf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_POWERPC_PERF_REQ_GEN_PERF_H_
 #define LINUX_POWERPC_PERF_REQ_GEN_PERF_H_
 
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index abc24501c4c0..60254a321a91 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ACADIA
 	bool "Acadia"
 	depends on 40x
diff --git a/arch/powerpc/platforms/44x/44x.h b/arch/powerpc/platforms/44x/44x.h
index 63f703ecd23c..0e912a6a0b9a 100644
--- a/arch/powerpc/platforms/44x/44x.h
+++ b/arch/powerpc/platforms/44x/44x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __POWERPC_PLATFORMS_44X_44X_H
 #define __POWERPC_PLATFORMS_44X_44X_H
 
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 01cb109ebf17..a6011422b861 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_47x
 	bool "Support for 47x variant"
 	depends on 44x
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 2c5651992369..1b78c6af821a 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y	+= misc_44x.o machine_check.o
 ifneq ($(CONFIG_PPC4xx_CPM),y)
 obj-y	+= idle.o
diff --git a/arch/powerpc/platforms/44x/virtex_ml510.c b/arch/powerpc/platforms/44x/virtex_ml510.c
index 1fdb8748638d..349f218b335c 100644
--- a/arch/powerpc/platforms/44x/virtex_ml510.c
+++ b/arch/powerpc/platforms/44x/virtex_ml510.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/i8259.h>
 #include <linux/pci.h>
 #include "44x.h"
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index bf7ae5cbd07a..b59eab6cbb1b 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_MPC512x
 	bool "512x-based boards"
 	depends on 6xx
diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile
index f47d422953df..2daf22ee26a0 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Freescale PowerPC 512x linux kernel.
 #
diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig
index e4c745981912..55a587070342 100644
--- a/arch/powerpc/platforms/52xx/Kconfig
+++ b/arch/powerpc/platforms/52xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_MPC52xx
 	bool "52xx-based boards"
 	depends on 6xx
diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile
index 4e62486791e9..ff2f86fe5429 100644
--- a/arch/powerpc/platforms/52xx/Makefile
+++ b/arch/powerpc/platforms/52xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for 52xx based boards
 #
diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index 870b70f5d1bd..e7da22d1df87 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/suspend.h>
 #include <asm/io.h>
diff --git a/arch/powerpc/platforms/52xx/lite5200_sleep.S b/arch/powerpc/platforms/52xx/lite5200_sleep.S
index 08ab6fefcf7a..3a9969c429b3 100644
--- a/arch/powerpc/platforms/52xx/lite5200_sleep.S
+++ b/arch/powerpc/platforms/52xx/lite5200_sleep.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/reg.h>
 #include <asm/ppc_asm.h>
 #include <asm/processor.h>
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
index 8310e8b5b57f..31d3515672f3 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/suspend.h>
 #include <linux/io.h>
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_sleep.S b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S
index 4dc170b0ae18..a66eb311b639 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_sleep.S
+++ b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/reg.h>
 #include <asm/ppc_asm.h>
 #include <asm/processor.h>
diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 994d1a959e20..6e04099361b9 100644
--- a/arch/powerpc/platforms/82xx/Kconfig
+++ b/arch/powerpc/platforms/82xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig PPC_82xx
 	bool "82xx-based boards (PQ II)"
 	depends on 6xx
diff --git a/arch/powerpc/platforms/82xx/Makefile b/arch/powerpc/platforms/82xx/Makefile
index 455fe21e37c4..8d713c601bf2 100644
--- a/arch/powerpc/platforms/82xx/Makefile
+++ b/arch/powerpc/platforms/82xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 82xx linux kernel.
 #
diff --git a/arch/powerpc/platforms/82xx/pq2.h b/arch/powerpc/platforms/82xx/pq2.h
index 3080ce3441c1..902ef0bd4949 100644
--- a/arch/powerpc/platforms/82xx/pq2.h
+++ b/arch/powerpc/platforms/82xx/pq2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PQ2_H
 #define _PQ2_H
 
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 4ef7f1cd05b7..7e38b7b71a5a 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig PPC_83xx
 	bool "83xx-based boards"
 	depends on 6xx
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index ed95bfcbcbff..bb4720897f6a 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 83xx linux kernel.
 #
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 636eb9d0401a..459145623334 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MPC83XX_H__
 #define __MPC83XX_H__
 
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 47b389dc4938..68920d42b4bc 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig FSL_SOC_BOOKE
 	bool "Freescale Book-E Machine Type"
 	depends on PPC_85xx || PPC_BOOK3E
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index fe19dad568e2..d1dd0dca5ebf 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 85xx linux kernel.
 #
diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h
index 39056f6befeb..fa23f9b0592c 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx.h
+++ b/arch/powerpc/platforms/85xx/mpc85xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MPC85xx_H
 #define MPC85xx_H
 extern int mpc85xx_common_publish_devices(void);
diff --git a/arch/powerpc/platforms/85xx/smp.h b/arch/powerpc/platforms/85xx/smp.h
index 0b20ae315c53..3936ff6dfbdb 100644
--- a/arch/powerpc/platforms/85xx/smp.h
+++ b/arch/powerpc/platforms/85xx/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef POWERPC_85XX_SMP_H_
 #define POWERPC_85XX_SMP_H_ 1
 
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index ce619bd1f82d..bcd179d3ed92 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_86xx
 menuconfig PPC_86xx
 	bool "86xx-based boards"
diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile
index 01958fedc3f2..2c04449be107 100644
--- a/arch/powerpc/platforms/86xx/Makefile
+++ b/arch/powerpc/platforms/86xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 86xx linux kernel.
 #
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index 536b0c5d5ce3..e2089d3de00c 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config CPM1
 	bool
 	select CPM
diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile
index f9af3218bd9c..708ab099e886 100644
--- a/arch/powerpc/platforms/8xx/Makefile
+++ b/arch/powerpc/platforms/8xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 8xx linux kernel.
 #
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index 1917d69f84df..e1274db53d48 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995  Linus Torvalds
  *  Adapted from 'alpha' version by Gary Thomas
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 4fd64d3f5c44..d5e34ce5fd5d 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Platform support"
 
 source "arch/powerpc/platforms/powernv/Kconfig"
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 13663efc1d31..a78f255111f2 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC64
 	bool "64-bit kernel"
 	default n
diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile
index d7a55ecfaee5..e46bb7ea710f 100644
--- a/arch/powerpc/platforms/Makefile
+++ b/arch/powerpc/platforms/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
diff --git a/arch/powerpc/platforms/amigaone/Kconfig b/arch/powerpc/platforms/amigaone/Kconfig
index 128de25cc284..03dc1e37c25b 100644
--- a/arch/powerpc/platforms/amigaone/Kconfig
+++ b/arch/powerpc/platforms/amigaone/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config AMIGAONE
 	bool "Eyetech AmigaOne/MAI Teron"
 	depends on 6xx && BROKEN_ON_SMP
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index a4522f09d65e..9f5958f16923 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_CELL
 	bool
 	default n
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 00464305763d..d5f808e8a5f3 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PPC_CELL_COMMON)		+= cbe_regs.o interrupt.o pervasive.o
 
 obj-$(CONFIG_PPC_CELL_NATIVE)		+= iommu.o setup.o spider-pic.o \
diff --git a/arch/powerpc/platforms/cell/interrupt.h b/arch/powerpc/platforms/cell/interrupt.h
index 4f60ae6ca358..a47902248541 100644
--- a/arch/powerpc/platforms/cell/interrupt.h
+++ b/arch/powerpc/platforms/cell/interrupt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_CELL_PIC_H
 #define ASM_CELL_PIC_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/platforms/cell/ras.h b/arch/powerpc/platforms/cell/ras.h
index eb7ee54c82a0..6c2e6bc0062e 100644
--- a/arch/powerpc/platforms/cell/ras.h
+++ b/arch/powerpc/platforms/cell/ras.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RAS_H
 #define RAS_H
 
diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile
index 52a7d2596d30..52e4c80ec8d0 100644
--- a/arch/powerpc/platforms/cell/spufs/Makefile
+++ b/arch/powerpc/platforms/cell/spufs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_SPU_FS) += spufs.o
 spufs-y += inode.o file.o context.o syscalls.o
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index cfacbee24d7b..07f82d7395ff 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define DEBUG
 
 #include <linux/wait.h>
diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.h b/arch/powerpc/platforms/cell/spufs/sputrace.h
index db2656aa4103..d557e999b662 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.h
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_SPUFS_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_SPUFS_H
 
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 0d290ea83dc1..157e046e6e93 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/export.h>
diff --git a/arch/powerpc/platforms/chrp/Kconfig b/arch/powerpc/platforms/chrp/Kconfig
index d3cdab582c5d..ead99eff875a 100644
--- a/arch/powerpc/platforms/chrp/Kconfig
+++ b/arch/powerpc/platforms/chrp/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_CHRP
 	bool "Common Hardware Reference Platform (CHRP) based machines"
 	depends on 6xx
diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h
index 63f0aee4c158..a5a7c338caf9 100644
--- a/arch/powerpc/platforms/chrp/chrp.h
+++ b/arch/powerpc/platforms/chrp/chrp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Declarations of CHRP platform-specific things.
  */
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 27264794f5c0..0f512d35f7c5 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CHRP pci routines.
  */
diff --git a/arch/powerpc/platforms/chrp/pegasos_eth.c b/arch/powerpc/platforms/chrp/pegasos_eth.c
index 19760712b39d..485cf5ef73d4 100644
--- a/arch/powerpc/platforms/chrp/pegasos_eth.c
+++ b/arch/powerpc/platforms/chrp/pegasos_eth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 2005 Sven Luther <sl@bplan-gmbh.de>
  *  Thanks to :
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 0ce1b45f02a8..481ed133e04b 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995  Linus Torvalds
  *  Adapted from 'alpha' version by Gary Thomas
diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c
index 14515040f7cd..f7bb6cb8d1e3 100644
--- a/arch/powerpc/platforms/chrp/smp.c
+++ b/arch/powerpc/platforms/chrp/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Smp support for CHRP machines.
  *
diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c
index f803f4b8ab6f..03d115aaa191 100644
--- a/arch/powerpc/platforms/chrp/time.c
+++ b/arch/powerpc/platforms/chrp/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
  *
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index a25f496c2ef9..9fb2d5912c5a 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config EMBEDDED6xx
 	bool "Embedded 6xx/7xx/7xxx-based boards"
 	depends on 6xx && BROKEN_ON_SMP
diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile
index f126a2a09981..12154e3257ad 100644
--- a/arch/powerpc/platforms/embedded6xx/Makefile
+++ b/arch/powerpc/platforms/embedded6xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 6xx/7xx/7xxxx linux kernel.
 #
diff --git a/arch/powerpc/platforms/maple/Kconfig b/arch/powerpc/platforms/maple/Kconfig
index e359d0db092c..376d0be36b66 100644
--- a/arch/powerpc/platforms/maple/Kconfig
+++ b/arch/powerpc/platforms/maple/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_MAPLE
 	depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
 	bool "Maple 970FX Evaluation Board"
diff --git a/arch/powerpc/platforms/maple/maple.h b/arch/powerpc/platforms/maple/maple.h
index eecfa182b06e..d10f4af3a42e 100644
--- a/arch/powerpc/platforms/maple/maple.h
+++ b/arch/powerpc/platforms/maple/maple.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Declarations for maple-specific code.
  *
diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig
index c7f1dbe94de7..d458a791d35b 100644
--- a/arch/powerpc/platforms/pasemi/Kconfig
+++ b/arch/powerpc/platforms/pasemi/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_PASEMI
 	depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
 	bool "PA Semi SoC-based platforms"
diff --git a/arch/powerpc/platforms/pasemi/pasemi.h b/arch/powerpc/platforms/pasemi/pasemi.h
index 74cbcb357612..329d2a619254 100644
--- a/arch/powerpc/platforms/pasemi/pasemi.h
+++ b/arch/powerpc/platforms/pasemi/pasemi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PASEMI_PASEMI_H
 #define _PASEMI_PASEMI_H
 
diff --git a/arch/powerpc/platforms/powermac/Kconfig b/arch/powerpc/platforms/powermac/Kconfig
index 43c606268baf..fc90cb35cea3 100644
--- a/arch/powerpc/platforms/powermac/Kconfig
+++ b/arch/powerpc/platforms/powermac/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_PMAC
 	bool "Apple PowerMac based machines"
 	depends on PPC_BOOK3S && CPU_BIG_ENDIAN
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 1eb7b45e017d..f2839eed0f89 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS_bootx_init.o  		+= -fPIC
 
 ifdef CONFIG_FUNCTION_TRACER
diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c
index 860159d46ab8..fd2e210559c8 100644
--- a/arch/powerpc/platforms/powermac/pfunc_base.c
+++ b/arch/powerpc/platforms/powermac/pfunc_base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/delay.h>
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index e7f8163d6769..6f15b8804e9b 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PMAC_H__
 #define __PMAC_H__
 
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 8680bb69795d..274af6fa388e 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for periodic interrupts (100 per second) and for getting
  * the current time from the RTC on Power Macintoshes.
diff --git a/arch/powerpc/platforms/powermac/udbg_adb.c b/arch/powerpc/platforms/powermac/udbg_adb.c
index 366bd221edec..64f38f0d15ed 100644
--- a/arch/powerpc/platforms/powermac/udbg_adb.c
+++ b/arch/powerpc/platforms/powermac/udbg_adb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig
index 340cbe263b33..f8dc98d3dc01 100644
--- a/arch/powerpc/platforms/powernv/Kconfig
+++ b/arch/powerpc/platforms/powernv/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_POWERNV
 	depends on PPC64 && PPC_BOOK3S
 	bool "IBM PowerNV (Non-Virtualized) platform support"
diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile
index 37d60f7dd86d..7a31c26500e6 100644
--- a/arch/powerpc/platforms/powernv/Makefile
+++ b/arch/powerpc/platforms/powernv/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y			+= setup.o opal-wrappers.o opal.o opal-async.o idle.o
 obj-y			+= opal-rtc.o opal-nvram.o opal-lpc.o opal-flash.o
 obj-y			+= rng.o opal-elog.o opal-dump.o opal-sysparam.o opal-sensor.o
diff --git a/arch/powerpc/platforms/powernv/opal-tracepoints.c b/arch/powerpc/platforms/powernv/opal-tracepoints.c
index 3c447002edff..1ab7d26c0a2c 100644
--- a/arch/powerpc/platforms/powernv/opal-tracepoints.c
+++ b/arch/powerpc/platforms/powernv/opal-tracepoints.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/percpu.h>
 #include <linux/jump_label.h>
 #include <asm/trace.h>
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index a95273c524f6..b47f9406d97e 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __POWERNV_PCI_H
 #define __POWERNV_PCI_H
 
diff --git a/arch/powerpc/platforms/powernv/powernv.h b/arch/powerpc/platforms/powernv/powernv.h
index a159d48573d7..94f17ab1374b 100644
--- a/arch/powerpc/platforms/powernv/powernv.h
+++ b/arch/powerpc/platforms/powernv/powernv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _POWERNV_H
 #define _POWERNV_H
 
diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index b27f40f26efc..6f7525555b19 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_PS3
 	bool "Sony PS3"
 	depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
diff --git a/arch/powerpc/platforms/ps3/Makefile b/arch/powerpc/platforms/ps3/Makefile
index 02b9e636dab7..86bf2967a8d4 100644
--- a/arch/powerpc/platforms/ps3/Makefile
+++ b/arch/powerpc/platforms/ps3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += setup.o mm.o time.o hvcall.o htab.o repository.o
 obj-y += interrupt.o exports.o os-area.o
 obj-y += system-bus.o
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 71dd69d9ec64..0c698fd6d491 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_PSERIES
 	depends on PPC64 && PPC_BOOK3S
 	bool "IBM pSeries & new (POWER5-based) iSeries"
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 8f4ba089e802..13eede60c24d 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_PPC64)			:= $(NO_MINIMAL_TOC)
 ccflags-$(CONFIG_PPC_PSERIES_DEBUG)	+= -DDEBUG
 
diff --git a/arch/powerpc/platforms/pseries/of_helpers.c b/arch/powerpc/platforms/pseries/of_helpers.c
index 2798933c0e38..7e75101fa522 100644
--- a/arch/powerpc/platforms/pseries/of_helpers.c
+++ b/arch/powerpc/platforms/pseries/of_helpers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/err.h>
 #include <linux/slab.h>
diff --git a/arch/powerpc/platforms/pseries/of_helpers.h b/arch/powerpc/platforms/pseries/of_helpers.h
index bb83d39aef65..decad6553d8f 100644
--- a/arch/powerpc/platforms/pseries/of_helpers.h
+++ b/arch/powerpc/platforms/pseries/of_helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PSERIES_OF_HELPERS_H
 #define _PSERIES_OF_HELPERS_H
 
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 08672d9136ab..51414aee2862 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OFFLINE_STATES_H_
 #define _OFFLINE_STATES_H_
 
diff --git a/arch/powerpc/purgatory/Makefile b/arch/powerpc/purgatory/Makefile
index ac8793c13348..30e05decbb4c 100644
--- a/arch/powerpc/purgatory/Makefile
+++ b/arch/powerpc/purgatory/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 targets += trampoline.o purgatory.ro kexec-purgatory.c
 
 LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined
diff --git a/arch/powerpc/sysdev/Kconfig b/arch/powerpc/sysdev/Kconfig
index caf882e749dc..bcef2ac56479 100644
--- a/arch/powerpc/sysdev/Kconfig
+++ b/arch/powerpc/sysdev/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
 #
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 79416fa2e3ba..0baba21404dc 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
 ccflags-$(CONFIG_PPC64)		:= $(NO_MINIMAL_TOC)
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index c651e668996b..c6f154b602fb 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * General Purpose functions for the global management of the
  * Communication Processor Module.
diff --git a/arch/powerpc/sysdev/cpm2_pic.h b/arch/powerpc/sysdev/cpm2_pic.h
index 2c5f70c24485..a8a26951f311 100644
--- a/arch/powerpc/sysdev/cpm2_pic.h
+++ b/arch/powerpc/sysdev/cpm2_pic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_KERNEL_CPM2_H
 #define _PPC_KERNEL_CPM2_H
 
diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h
index 2640446f8bc4..db11b06eb38f 100644
--- a/arch/powerpc/sysdev/fsl_soc.h
+++ b/arch/powerpc/sysdev/fsl_soc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PPC_FSL_SOC_H
 #define __PPC_FSL_SOC_H
 #ifdef __KERNEL__
diff --git a/arch/powerpc/sysdev/ge/ge_pic.h b/arch/powerpc/sysdev/ge/ge_pic.h
index 5bf7e4b81e36..923dedba3c9c 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.h
+++ b/arch/powerpc/sysdev/ge/ge_pic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GEF_PIC_H__
 #define __GEF_PIC_H__
 
diff --git a/arch/powerpc/sysdev/micropatch.c b/arch/powerpc/sysdev/micropatch.c
index 6727dc54d549..33a9042fca80 100644
--- a/arch/powerpc/sysdev/micropatch.c
+++ b/arch/powerpc/sysdev/micropatch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /* Microcode patches for the CPM as supplied by Motorola.
  * This is the one for IIC/SPI.  There is a newer one that
diff --git a/arch/powerpc/sysdev/mpc5xxx_clocks.c b/arch/powerpc/sysdev/mpc5xxx_clocks.c
index 573292663cf2..834a6d7fbd88 100644
--- a/arch/powerpc/sysdev/mpc5xxx_clocks.c
+++ b/arch/powerpc/sysdev/mpc5xxx_clocks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * 	mpc5xxx_get_bus_frequency - Find the bus frequency for a device
  * 	@node:	device node
diff --git a/arch/powerpc/sysdev/mv64x60.h b/arch/powerpc/sysdev/mv64x60.h
index 4f618fa465c0..60cfcb90d1fa 100644
--- a/arch/powerpc/sysdev/mv64x60.h
+++ b/arch/powerpc/sysdev/mv64x60.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MV64X60_H__
 #define __MV64X60_H__
 
diff --git a/arch/powerpc/sysdev/simple_gpio.h b/arch/powerpc/sysdev/simple_gpio.h
index 3a7b0c513c76..f3f3a20d39e2 100644
--- a/arch/powerpc/sysdev/simple_gpio.h
+++ b/arch/powerpc/sysdev/simple_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SYSDEV_SIMPLE_GPIO_H
 #define __SYSDEV_SIMPLE_GPIO_H
 
diff --git a/arch/powerpc/sysdev/xics/Kconfig b/arch/powerpc/sysdev/xics/Kconfig
index 385e7aa9e273..86fee428f5f1 100644
--- a/arch/powerpc/sysdev/xics/Kconfig
+++ b/arch/powerpc/sysdev/xics/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_XICS
        def_bool n
        select PPC_SMP_MUXED_IPI
diff --git a/arch/powerpc/sysdev/xics/Makefile b/arch/powerpc/sysdev/xics/Makefile
index 5d7f5a6564de..5d438d92472b 100644
--- a/arch/powerpc/sysdev/xics/Makefile
+++ b/arch/powerpc/sysdev/xics/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
 
 obj-y				+= xics-common.o
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c
index 78ee5c778ef8..42e0c56ff81c 100644
--- a/arch/powerpc/sysdev/xics/ics-rtas.c
+++ b/arch/powerpc/sysdev/xics/ics-rtas.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/irq.h>
diff --git a/arch/powerpc/sysdev/xive/Kconfig b/arch/powerpc/sysdev/xive/Kconfig
index 3e3e25b5e30d..70ee976e1de0 100644
--- a/arch/powerpc/sysdev/xive/Kconfig
+++ b/arch/powerpc/sysdev/xive/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PPC_XIVE
 	bool
 	default n
diff --git a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh
index c658d8cf760b..061f8035bdbe 100755
--- a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh
+++ b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 set -e
 set -o pipefail
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 1dd88315cff4..1bc3abb237cd 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for xmon
 
 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h
index f8653365667e..2202ec61972c 100644
--- a/arch/powerpc/xmon/nonstdio.h
+++ b/arch/powerpc/xmon/nonstdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define EOF	(-1)
 
 #define printf	xmon_printf
diff --git a/arch/powerpc/xmon/spr_access.S b/arch/powerpc/xmon/spr_access.S
index 7d8b0e8ed6d9..4099cbcddaaa 100644
--- a/arch/powerpc/xmon/spr_access.S
+++ b/arch/powerpc/xmon/spr_access.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/ppc_asm.h>
 
 /* unsigned long xmon_mfspr(sprn, default_value) */
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 48af970320cb..ae55e715cc74 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MMU
 	def_bool y
 
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index ba5f878a295c..2cfdfbf8d320 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/s390/appldata/appldata.h b/arch/s390/appldata/appldata.h
index 4a67f2b5f6aa..10346d2f3d4f 100644
--- a/arch/s390/appldata/appldata.h
+++ b/arch/s390/appldata/appldata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions and interface for Linux - z/VM Monitor Stream.
  *
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 9a42ecec5647..da9dad35c28e 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux s390-specific parts of the memory manager.
 #
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index f7e4c834ea24..3df10c989893 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/s390/boot/compressed/Makefile
 #
diff --git a/arch/s390/boot/compressed/head.S b/arch/s390/boot/compressed/head.S
index 11f6254c561e..231d1491d431 100644
--- a/arch/s390/boot/compressed/head.S
+++ b/arch/s390/boot/compressed/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Startup glue code to uncompress the kernel
  *
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index 33ca29333e18..77633200f42c 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Definitions and wrapper functions for kernel decompressor
  *
diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S
index 747735f83426..88e46d4a7784 100644
--- a/arch/s390/boot/compressed/vmlinux.lds.S
+++ b/arch/s390/boot/compressed/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 
 OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile
index ad4bd777768d..a51010ea62fa 100644
--- a/arch/s390/crypto/Makefile
+++ b/arch/s390/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Cryptographic API
 #
diff --git a/arch/s390/crypto/crc32be-vx.S b/arch/s390/crypto/crc32be-vx.S
index 8013989cd2e5..e8077f0971f8 100644
--- a/arch/s390/crypto/crc32be-vx.S
+++ b/arch/s390/crypto/crc32be-vx.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Hardware-accelerated CRC-32 variants for Linux on z Systems
  *
diff --git a/arch/s390/crypto/crc32le-vx.S b/arch/s390/crypto/crc32le-vx.S
index 17f2504c2633..d8c67a58c0c5 100644
--- a/arch/s390/crypto/crc32le-vx.S
+++ b/arch/s390/crypto/crc32le-vx.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Hardware-accelerated CRC-32 variants for Linux on z Systems
  *
diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h
index eecde500ed49..52348e0a812e 100644
--- a/arch/s390/hypfs/hypfs.h
+++ b/arch/s390/hypfs/hypfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Hypervisor filesystem for Linux on s390.
  *
diff --git a/arch/s390/hypfs/hypfs_dbfs.c b/arch/s390/hypfs/hypfs_dbfs.c
index 752f6df3e697..b9bdf5c1918e 100644
--- a/arch/s390/hypfs/hypfs_dbfs.c
+++ b/arch/s390/hypfs/hypfs_dbfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Hypervisor filesystem for Linux on s390 - debugfs interface
  *
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 794bebb43d23..be8cc53204b5 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Hypervisor filesystem for Linux on s390. Diag 204 and 224
  *    implementation.
diff --git a/arch/s390/hypfs/hypfs_diag0c.c b/arch/s390/hypfs/hypfs_diag0c.c
index 0f1927cbba31..dce87f1bec94 100644
--- a/arch/s390/hypfs/hypfs_diag0c.c
+++ b/arch/s390/hypfs/hypfs_diag0c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Hypervisor filesystem for Linux on s390
  *
diff --git a/arch/s390/hypfs/hypfs_sprp.c b/arch/s390/hypfs/hypfs_sprp.c
index c9e5c72f78bd..ae0ed8dd5f1b 100644
--- a/arch/s390/hypfs/hypfs_sprp.c
+++ b/arch/s390/hypfs/hypfs_sprp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Hypervisor filesystem for Linux on s390.
  *    Set Partition-Resource Parameter interface.
diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c
index 012919d9833b..c4b7b681e055 100644
--- a/arch/s390/hypfs/hypfs_vm.c
+++ b/arch/s390/hypfs/hypfs_vm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Hypervisor filesystem for Linux on s390. z/VM implementation.
  *
diff --git a/arch/s390/include/asm/airq.h b/arch/s390/include/asm/airq.h
index bd93ff6661b8..fcf539efb32f 100644
--- a/arch/s390/include/asm/airq.h
+++ b/arch/s390/include/asm/airq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2002, 2007
  *    Author(s): Ingo Adlung <adlung@de.ibm.com>
diff --git a/arch/s390/include/asm/appldata.h b/arch/s390/include/asm/appldata.h
index a6263d4e8e56..4afbb5938726 100644
--- a/arch/s390/include/asm/appldata.h
+++ b/arch/s390/include/asm/appldata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2006
  *
diff --git a/arch/s390/include/asm/archrandom.h b/arch/s390/include/asm/archrandom.h
index 6033901a40b2..e9f7d7a57f99 100644
--- a/arch/s390/include/asm/archrandom.h
+++ b/arch/s390/include/asm/archrandom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Kernel interface for the s390 arch_random_* functions
  *
diff --git a/arch/s390/include/asm/asm-prototypes.h b/arch/s390/include/asm/asm-prototypes.h
index 2c3413b0ca52..c37eb921bfbf 100644
--- a/arch/s390/include/asm/asm-prototypes.h
+++ b/arch/s390/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_PROTOTYPES_H
 
 #include <linux/kvm_host.h>
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index f7f69dfd2db2..4b55532f15c4 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2016
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
diff --git a/arch/s390/include/asm/atomic_ops.h b/arch/s390/include/asm/atomic_ops.h
index ba6d29412344..f479e4c0b87e 100644
--- a/arch/s390/include/asm/atomic_ops.h
+++ b/arch/s390/include/asm/atomic_ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Low level function for atomic operations
  *
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index 5c8db3ce61c8..10432607a573 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2009
  *
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 99902b7b9f0c..31e400c1a1f3 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 1999,2013
  *
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index ce9cc123988b..429f43a8a8e8 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_BUG_H
 #define _ASM_S390_BUG_H
 
diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
index 05219a5e0b2f..d5e22e837416 100644
--- a/arch/s390/include/asm/cache.h
+++ b/arch/s390/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index b80e456d6428..633f8da86137 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2002, 2009
  *
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 057ce0ca6377..b00777ce93b4 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CCWGROUP_H
 #define S390_CCWGROUP_H
 
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index 12bf4fef2a68..91e376b0d28c 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    S390 fast network checksum routines
  *
diff --git a/arch/s390/include/asm/chpid.h b/arch/s390/include/asm/chpid.h
index 7298eec98541..4773f747915c 100644
--- a/arch/s390/include/asm/chpid.h
+++ b/arch/s390/include/asm/chpid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 7a38ca85190b..dc84a0171bb3 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common interface for I/O on S/390
  */
diff --git a/arch/s390/include/asm/clp.h b/arch/s390/include/asm/clp.h
index 5687d62fb0cb..3925b0f085b7 100644
--- a/arch/s390/include/asm/clp.h
+++ b/arch/s390/include/asm/clp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_CLP_H
 #define _ASM_S390_CLP_H
 
diff --git a/arch/s390/include/asm/cmb.h b/arch/s390/include/asm/cmb.h
index ed2630c23f90..599594c3720f 100644
--- a/arch/s390/include/asm/cmb.h
+++ b/arch/s390/include/asm/cmb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CMB_H
 #define S390_CMB_H
 
diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h
index 24ea6948e32b..af99c1f66f12 100644
--- a/arch/s390/include/asm/cmpxchg.h
+++ b/arch/s390/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2011
  *
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 07a82bc933a7..1b60eb3676d5 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390X_COMPAT_H
 #define _ASM_S390X_COMPAT_H
 /*
diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h
index e06f2556b316..056670ebba67 100644
--- a/arch/s390/include/asm/cpacf.h
+++ b/arch/s390/include/asm/cpacf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CP Assist for Cryptographic Functions (CPACF)
  *
diff --git a/arch/s390/include/asm/cpcmd.h b/arch/s390/include/asm/cpcmd.h
index ca2b0624ad46..c3c993abe964 100644
--- a/arch/s390/include/asm/cpcmd.h
+++ b/arch/s390/include/asm/cpcmd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/cpu.h b/arch/s390/include/asm/cpu.h
index 91541000378e..62228a884e06 100644
--- a/arch/s390/include/asm/cpu.h
+++ b/arch/s390/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2000, 2009
  *    Author(s): Hartmut Penner <hp@de.ibm.com>,
diff --git a/arch/s390/include/asm/cpufeature.h b/arch/s390/include/asm/cpufeature.h
index fa7e69b7c299..1d007c6ede95 100644
--- a/arch/s390/include/asm/cpufeature.h
+++ b/arch/s390/include/asm/cpufeature.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Module interface for CPU features
  *
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 9072bf63a846..cb729d111e20 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2004
  *
diff --git a/arch/s390/include/asm/crw.h b/arch/s390/include/asm/crw.h
index bcb9cd2a730a..c6ebfd31f1db 100644
--- a/arch/s390/include/asm/crw.h
+++ b/arch/s390/include/asm/crw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *   Data definitions for channel report processing
  *    Copyright IBM Corp. 2000, 2009
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index 09d1dd46bd57..a478eb61aaf7 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CSS_CHARS_H
 #define _ASM_CSS_CHARS_H
 
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
index e508dff92535..93e0d72f6c94 100644
--- a/arch/s390/include/asm/ctl_reg.h
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2009
  *
diff --git a/arch/s390/include/asm/current.h b/arch/s390/include/asm/current.h
index b80941f30df5..68f84315277c 100644
--- a/arch/s390/include/asm/current.h
+++ b/arch/s390/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index df7b54ea956d..a4ed25dd3278 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *   S/390 debug facility
  *
diff --git a/arch/s390/include/asm/delay.h b/arch/s390/include/asm/delay.h
index 3f6e4095f471..898323fd93d2 100644
--- a/arch/s390/include/asm/delay.h
+++ b/arch/s390/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h
index 88162bb5c190..6db78567294c 100644
--- a/arch/s390/include/asm/diag.h
+++ b/arch/s390/include/asm/diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * s390 diagnose functions
  *
diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h
index 37f617dfbede..78d1b2d725b9 100644
--- a/arch/s390/include/asm/dis.h
+++ b/arch/s390/include/asm/dis.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Disassemble s390 instructions.
  *
diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h
index 512ad0eaa11a..8fc8764fe5ee 100644
--- a/arch/s390/include/asm/dma-mapping.h
+++ b/arch/s390/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_DMA_MAPPING_H
 #define _ASM_S390_DMA_MAPPING_H
 
diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h
index bb9bdcd20864..6f26f35d4a71 100644
--- a/arch/s390/include/asm/dma.h
+++ b/arch/s390/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_DMA_H
 #define _ASM_S390_DMA_H
 
diff --git a/arch/s390/include/asm/eadm.h b/arch/s390/include/asm/eadm.h
index 144809a3f4f6..eb5323161f11 100644
--- a/arch/s390/include/asm/eadm.h
+++ b/arch/s390/include/asm/eadm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_EADM_H
 #define _ASM_S390_EADM_H
 
diff --git a/arch/s390/include/asm/ebcdic.h b/arch/s390/include/asm/ebcdic.h
index b71735eab23f..29441beb92e6 100644
--- a/arch/s390/include/asm/ebcdic.h
+++ b/arch/s390/include/asm/ebcdic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    EBCDIC -> ASCII, ASCII -> EBCDIC conversion routines.
  *
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 65998a1f5d43..9a3cb3983c01 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h
index c4a93d6327fa..641bfbec9d52 100644
--- a/arch/s390/include/asm/exec.h
+++ b/arch/s390/include/asm/exec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2009
  *
diff --git a/arch/s390/include/asm/extable.h b/arch/s390/include/asm/extable.h
index 16cfe2d62eeb..80a4e5a9cb46 100644
--- a/arch/s390/include/asm/extable.h
+++ b/arch/s390/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __S390_EXTABLE_H
 #define __S390_EXTABLE_H
 /*
diff --git a/arch/s390/include/asm/extmem.h b/arch/s390/include/asm/extmem.h
index 6276002d76ba..568fd81bb77b 100644
--- a/arch/s390/include/asm/extmem.h
+++ b/arch/s390/include/asm/extmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  definitions for external memory segment support
  *  Copyright IBM Corp. 2003
diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h
index cb60d5c5755d..f040644575b7 100644
--- a/arch/s390/include/asm/facility.h
+++ b/arch/s390/include/asm/facility.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2009
  *
diff --git a/arch/s390/include/asm/fcx.h b/arch/s390/include/asm/fcx.h
index 04cb4b4bcc5f..cff0749e9657 100644
--- a/arch/s390/include/asm/fcx.h
+++ b/arch/s390/include/asm/fcx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Functions for assembling fcx enabled I/O control blocks.
  *
diff --git a/arch/s390/include/asm/fpu/api.h b/arch/s390/include/asm/fpu/api.h
index 02124d66bfb5..34a7ae68485c 100644
--- a/arch/s390/include/asm/fpu/api.h
+++ b/arch/s390/include/asm/fpu/api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * In-kernel FPU support functions
  *
diff --git a/arch/s390/include/asm/fpu/internal.h b/arch/s390/include/asm/fpu/internal.h
index 629c90865a07..4a71dbbf76fb 100644
--- a/arch/s390/include/asm/fpu/internal.h
+++ b/arch/s390/include/asm/fpu/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * FPU state and register content conversion primitives
  *
diff --git a/arch/s390/include/asm/fpu/types.h b/arch/s390/include/asm/fpu/types.h
index bce255ead72b..d889e9436865 100644
--- a/arch/s390/include/asm/fpu/types.h
+++ b/arch/s390/include/asm/fpu/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * FPU data structures
  *
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 836c56290499..cfccc0edd00d 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_FTRACE_H
 #define _ASM_S390_FTRACE_H
 
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index 8f8eec9e1198..9b5a3469fed9 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_FUTEX_H
 #define _ASM_S390_FUTEX_H
 
diff --git a/arch/s390/include/asm/gmap.h b/arch/s390/include/asm/gmap.h
index 741ddba0bf11..e07cce88dfb0 100644
--- a/arch/s390/include/asm/gmap.h
+++ b/arch/s390/include/asm/gmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  KVM guest address space mapping code
  *
diff --git a/arch/s390/include/asm/hardirq.h b/arch/s390/include/asm/hardirq.h
index b7eabaaeffbd..a296c6acfd07 100644
--- a/arch/s390/include/asm/hardirq.h
+++ b/arch/s390/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index d95869ce3ca2..9c5fc50204dd 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  IBM System z Huge TLB Page Support for Kernel.
  *
diff --git a/arch/s390/include/asm/hw_irq.h b/arch/s390/include/asm/hw_irq.h
index ee96a8b697f9..adae176757ae 100644
--- a/arch/s390/include/asm/hw_irq.h
+++ b/arch/s390/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _HW_IRQ_H
 #define _HW_IRQ_H
 
diff --git a/arch/s390/include/asm/idals.h b/arch/s390/include/asm/idals.h
index 280b60a0bcd4..15578fd762f6 100644
--- a/arch/s390/include/asm/idals.h
+++ b/arch/s390/include/asm/idals.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/idle.h b/arch/s390/include/asm/idle.h
index 51ff96d9f287..6d4226dcf42a 100644
--- a/arch/s390/include/asm/idle.h
+++ b/arch/s390/include/asm/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2014
  *
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index 904e4b3af95d..f34d729347e4 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 6810bd757312..5a8d92758a58 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * s390 (re)ipl support
  *
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 70c9bce766f5..2f7f27e5493f 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IRQ_H
 #define _ASM_IRQ_H
 
diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h
index 595a275c36f8..586df4c9e2f2 100644
--- a/arch/s390/include/asm/irqflags.h
+++ b/arch/s390/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2006, 2010
  *    Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/isc.h b/arch/s390/include/asm/isc.h
index 8a0b721a9b8d..6cb9e2ed05b6 100644
--- a/arch/s390/include/asm/isc.h
+++ b/arch/s390/include/asm/isc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_ISC_H
 #define _ASM_S390_ISC_H
 
diff --git a/arch/s390/include/asm/itcw.h b/arch/s390/include/asm/itcw.h
index fb1bedd3dc0d..59b73961320d 100644
--- a/arch/s390/include/asm/itcw.h
+++ b/arch/s390/include/asm/itcw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Functions for incremental construction of fcx enabled I/O control blocks.
  *
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 9be198f5ee79..40f651292aa7 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_JUMP_LABEL_H
 #define _ASM_S390_JUMP_LABEL_H
 
diff --git a/arch/s390/include/asm/kdebug.h b/arch/s390/include/asm/kdebug.h
index 5c1abd47612a..d5327f064799 100644
--- a/arch/s390/include/asm/kdebug.h
+++ b/arch/s390/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_KDEBUG_H
 #define _S390_KDEBUG_H
 
diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h
index dccf24ee26d3..1d708a419326 100644
--- a/arch/s390/include/asm/kexec.h
+++ b/arch/s390/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2005
  *
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h
index 27da78cf416d..1b95da3fdd64 100644
--- a/arch/s390/include/asm/linkage.h
+++ b/arch/s390/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index a6870ea6ea8b..917f7344cab6 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 1999, 2012
  *    Author(s): Hartmut Penner <hp@de.ibm.com>,
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index 3f46a6577b8d..db35c41a59d5 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 3c9abedc323c..43607bb12cc2 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/mmzone.h b/arch/s390/include/asm/mmzone.h
index a9e834e60b84..73e3e7c6976c 100644
--- a/arch/s390/include/asm/mmzone.h
+++ b/arch/s390/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h
index df1f861a848a..e0a6d29846e2 100644
--- a/arch/s390/include/asm/module.h
+++ b/arch/s390/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_MODULE_H
 #define _ASM_S390_MODULE_H
 
diff --git a/arch/s390/include/asm/nmi.h b/arch/s390/include/asm/nmi.h
index c8e211b9a002..c8a7beadd3d4 100644
--- a/arch/s390/include/asm/nmi.h
+++ b/arch/s390/include/asm/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *   Machine check handler definitions
  *
diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h
index dc19ee0c92aa..35f8cbe7e5bb 100644
--- a/arch/s390/include/asm/numa.h
+++ b/arch/s390/include/asm/numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
index 943475382d51..3c89279d2a4b 100644
--- a/arch/s390/include/asm/os_info.h
+++ b/arch/s390/include/asm/os_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * OS info memory interface
  *
diff --git a/arch/s390/include/asm/page-states.h b/arch/s390/include/asm/page-states.h
index 22b0f49e87c1..c33c4deb545f 100644
--- a/arch/s390/include/asm/page-states.h
+++ b/arch/s390/include/asm/page-states.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2017
  *    Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 5d5c2b3500a4..41e3908b397f 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 386df9adef0a..12fe3591034f 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_S390_PCI_H
 #define __ASM_S390_PCI_H
 
diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h
index 938b8cc19fc6..b3b31b31f0d3 100644
--- a/arch/s390/include/asm/pci_clp.h
+++ b/arch/s390/include/asm/pci_clp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_PCI_CLP_H
 #define _ASM_S390_PCI_CLP_H
 
diff --git a/arch/s390/include/asm/pci_debug.h b/arch/s390/include/asm/pci_debug.h
index ac24b26fc065..6c2c38060f8b 100644
--- a/arch/s390/include/asm/pci_debug.h
+++ b/arch/s390/include/asm/pci_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_ASM_PCI_DEBUG_H
 #define _S390_ASM_PCI_DEBUG_H
 
diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h
index 92df3eb8d14e..e8d9161fa17a 100644
--- a/arch/s390/include/asm/pci_dma.h
+++ b/arch/s390/include/asm/pci_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_PCI_DMA_H
 #define _ASM_S390_PCI_DMA_H
 
diff --git a/arch/s390/include/asm/pci_insn.h b/arch/s390/include/asm/pci_insn.h
index 34abcf275799..419e83fa4721 100644
--- a/arch/s390/include/asm/pci_insn.h
+++ b/arch/s390/include/asm/pci_insn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_PCI_INSN_H
 #define _ASM_S390_PCI_INSN_H
 
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index 69aa18be61af..cbb9cb9c6547 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_PCI_IO_H
 #define _ASM_S390_PCI_IO_H
 
diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h
index 90240dfef76a..0095ddb58ff6 100644
--- a/arch/s390/include/asm/percpu.h
+++ b/arch/s390/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_S390_PERCPU__
 #define __ARCH_S390_PERCPU__
 
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index dd32beb9d30c..79aa6421fedb 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Performance event support - s390 specific definitions.
  *
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index a0d9167519b1..bbe99cb8219d 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 20e75a2ca93a..d7fe9838084d 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/pkey.h b/arch/s390/include/asm/pkey.h
index 4c484590d858..053117ba7328 100644
--- a/arch/s390/include/asm/pkey.h
+++ b/arch/s390/include/asm/pkey.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Kernelspace interface to the pkey device driver
  *
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index b0776b2c8dcf..23a14d187fb1 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PREEMPT_H
 #define __ASM_PREEMPT_H
 
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index c25d57e0aad3..9cf92abe23c3 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 853b01245c20..2f84e77f1f1b 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index eaee69e7c42a..de11ecc99c7c 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2000, 2008
  * Author(s): Utz Bacher <utz.bacher@de.ibm.com>
diff --git a/arch/s390/include/asm/reset.h b/arch/s390/include/asm/reset.h
index fe11fa88a0e0..6450b31ade03 100644
--- a/arch/s390/include/asm/reset.h
+++ b/arch/s390/include/asm/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2006
  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/arch/s390/include/asm/runtime_instr.h b/arch/s390/include/asm/runtime_instr.h
index 402ad6df4897..ea8896ba5afc 100644
--- a/arch/s390/include/asm/runtime_instr.h
+++ b/arch/s390/include/asm/runtime_instr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RUNTIME_INSTR_H
 #define _RUNTIME_INSTR_H
 
diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h
index 597e7e96b59e..f731b7b518bd 100644
--- a/arch/s390/include/asm/rwsem.h
+++ b/arch/s390/include/asm/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_RWSEM_H
 #define _S390_RWSEM_H
 
diff --git a/arch/s390/include/asm/schid.h b/arch/s390/include/asm/schid.h
index 40b47dfa9d66..3ac405a67ff0 100644
--- a/arch/s390/include/asm/schid.h
+++ b/arch/s390/include/asm/schid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_SCHID_H
 #define ASM_SCHID_H
 
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 6f5167bc1928..d3c1a8a2e3ad 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/arch/s390/include/asm/scsw.h b/arch/s390/include/asm/scsw.h
index 17a7904f001a..79b7ffa91832 100644
--- a/arch/s390/include/asm/scsw.h
+++ b/arch/s390/include/asm/scsw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Helper functions for scsw access.
  *
diff --git a/arch/s390/include/asm/seccomp.h b/arch/s390/include/asm/seccomp.h
index e10f8337367b..795bbe0d7ca6 100644
--- a/arch/s390/include/asm/seccomp.h
+++ b/arch/s390/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_SECCOMP_H
 #define _ASM_S390_SECCOMP_H
 
diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h
index fbd9116eb17b..0ac3e8166e85 100644
--- a/arch/s390/include/asm/sections.h
+++ b/arch/s390/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_SECTIONS_H
 #define _S390_SECTIONS_H
 
diff --git a/arch/s390/include/asm/serial.h b/arch/s390/include/asm/serial.h
index 5b3e48ef534b..aaf85a69061c 100644
--- a/arch/s390/include/asm/serial.h
+++ b/arch/s390/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_SERIAL_H
 #define _ASM_S390_SERIAL_H
 
diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h
index 46a4db44c47a..c59a83536c70 100644
--- a/arch/s390/include/asm/set_memory.h
+++ b/arch/s390/include/asm/set_memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMS390_SET_MEMORY_H
 #define _ASMS390_SET_MEMORY_H
 
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 490e035b3716..f2c2b7cd9099 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2010
diff --git a/arch/s390/include/asm/shmparam.h b/arch/s390/include/asm/shmparam.h
index e985182738f8..e75d45649c54 100644
--- a/arch/s390/include/asm/shmparam.h
+++ b/arch/s390/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h
index abf9e5735943..7daf4d8b5ee5 100644
--- a/arch/s390/include/asm/signal.h
+++ b/arch/s390/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index 020a8814d511..53ee795cd3d3 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __S390_ASM_SIGP_H
 #define __S390_ASM_SIGP_H
 
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 3deb134587b7..babe83ed416c 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 1999, 2012
  *    Author(s): Denis Joseph Barrow,
diff --git a/arch/s390/include/asm/sparsemem.h b/arch/s390/include/asm/sparsemem.h
index 334e279f1bce..c549893602ea 100644
--- a/arch/s390/include/asm/sparsemem.h
+++ b/arch/s390/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_SPARSEMEM_H
 #define _ASM_S390_SPARSEMEM_H
 
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 8182b521c42f..f3f5e0155b10 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/spinlock_types.h b/arch/s390/include/asm/spinlock_types.h
index fe755eec275f..1861a0c5dd47 100644
--- a/arch/s390/include/asm/spinlock_types.h
+++ b/arch/s390/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_TYPES_H
 #define __ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/s390/include/asm/stp.h b/arch/s390/include/asm/stp.h
index 7689727585b2..f0ddefb06ec8 100644
--- a/arch/s390/include/asm/stp.h
+++ b/arch/s390/include/asm/stp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2006
  *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
index e5f5c7074f2c..27ce494198f5 100644
--- a/arch/s390/include/asm/string.h
+++ b/arch/s390/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/switch_to.h b/arch/s390/include/asm/switch_to.h
index f6c2b5814ab0..c21fe1d57c00 100644
--- a/arch/s390/include/asm/switch_to.h
+++ b/arch/s390/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2009
  *
diff --git a/arch/s390/include/asm/termios.h b/arch/s390/include/asm/termios.h
index db028d17f061..46fa3020b41e 100644
--- a/arch/s390/include/asm/termios.h
+++ b/arch/s390/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 1aecf432c48d..0880a37b6d3b 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 2002, 2006
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 93f2eb3f277c..64539c221672 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 3a14b864b2e3..457b7ba0fbb6 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_TLB_H
 #define _S390_TLB_H
 
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index b08d5bc2666e..8c840f0904f3 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_TLBFLUSH_H
 #define _S390_TLBFLUSH_H
 
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 5222da162b69..55de4eb73604 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390_TOPOLOGY_H
 #define _ASM_S390_TOPOLOGY_H
 
diff --git a/arch/s390/include/asm/trace/diag.h b/arch/s390/include/asm/trace/diag.h
index cc6cfe7889da..22fcac4ff9f0 100644
--- a/arch/s390/include/asm/trace/diag.h
+++ b/arch/s390/include/asm/trace/diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Tracepoint header for s390 diagnose calls
  *
diff --git a/arch/s390/include/asm/trace/zcrypt.h b/arch/s390/include/asm/trace/zcrypt.h
index adcb77fafa9d..457ddaa99e19 100644
--- a/arch/s390/include/asm/trace/zcrypt.h
+++ b/arch/s390/include/asm/trace/zcrypt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Tracepoint definitions for the s390 zcrypt device driver
  *
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 304cfe44df50..cdd0f0d999e2 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 3066031a73fe..7807093b73be 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/uprobes.h b/arch/s390/include/asm/uprobes.h
index 658393c65d7e..b60b3c7ef699 100644
--- a/arch/s390/include/asm/uprobes.h
+++ b/arch/s390/include/asm/uprobes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    User-space Probes (UProbes) for s390
  *
diff --git a/arch/s390/include/asm/user.h b/arch/s390/include/asm/user.h
index 6ed1d1886333..0ca572ced21b 100644
--- a/arch/s390/include/asm/user.h
+++ b/arch/s390/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  S390 version
  *
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index 88bdc477a843..bb2ce72300b0 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __S390_VDSO_H__
 #define __S390_VDSO_H__
 
diff --git a/arch/s390/include/asm/vtime.h b/arch/s390/include/asm/vtime.h
index af9896c53eb3..3622d4ebc73a 100644
--- a/arch/s390/include/asm/vtime.h
+++ b/arch/s390/include/asm/vtime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S390_VTIME_H
 #define _S390_VTIME_H
 
diff --git a/arch/s390/include/asm/vtimer.h b/arch/s390/include/asm/vtimer.h
index 10a179af62d8..42f707d1c1e8 100644
--- a/arch/s390/include/asm/vtimer.h
+++ b/arch/s390/include/asm/vtimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2003, 2012
  *  Virtual CPU timer
diff --git a/arch/s390/include/asm/vx-insn.h b/arch/s390/include/asm/vx-insn.h
index 49c24a2afce0..266a72320e05 100644
--- a/arch/s390/include/asm/vx-insn.h
+++ b/arch/s390/include/asm/vx-insn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Support for Vector Instructions
  *
diff --git a/arch/s390/include/asm/xor.h b/arch/s390/include/asm/xor.h
index c988df744a70..857d6759b67f 100644
--- a/arch/s390/include/asm/xor.h
+++ b/arch/s390/include/asm/xor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Optimited xor routines
  *
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index adb3fe2e3d42..4ce2d05929a7 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/s390/kernel/als.c b/arch/s390/kernel/als.c
index 14769eb52a33..d1892bf36cab 100644
--- a/arch/s390/kernel/als.c
+++ b/arch/s390/kernel/als.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2016
  */
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 3d42f91c95fd..0e6d2b032484 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed to extract
diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c
index f4932c22ebe4..d395c6c9944c 100644
--- a/arch/s390/kernel/audit.c
+++ b/arch/s390/kernel/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/s390/kernel/audit.h b/arch/s390/kernel/audit.h
index 12b56f4b5a73..4d4b596412ec 100644
--- a/arch/s390/kernel/audit.h
+++ b/arch/s390/kernel/audit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_S390_KERNEL_AUDIT_H
 #define __ARCH_S390_KERNEL_AUDIT_H
 
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index 326f717df587..f6c56009e822 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  arch/s390/kernel/base.S
  *
diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index c8a83276a4dc..d66825e53fce 100644
--- a/arch/s390/kernel/cache.c
+++ b/arch/s390/kernel/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Extract CPU cache information and expose them via sysfs.
  *
diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c
index d6487bf879e5..444fb1f66944 100644
--- a/arch/s390/kernel/compat_audit.c
+++ b/arch/s390/kernel/compat_audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef __s390x__
 #include <asm/unistd.h>
 #include "audit.h"
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index a3d14161abcb..f04db3779b34 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 2000
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index a0a886c04977..64509e7dbd3b 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_S390X_S390_H
 #define _ASM_S390X_S390_H
 
diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h
index 12b823833510..3c400fc7e987 100644
--- a/arch/s390/kernel/compat_ptrace.h
+++ b/arch/s390/kernel/compat_ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PTRACE32_H
 #define _PTRACE32_H
 
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index f549c4657376..a4a1208e3df3 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2000, 2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index 986642a3543b..d04918583971 100644
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Compat system call wrappers.
  *
diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c
index 63bc6603e0ed..af013b4244d3 100644
--- a/arch/s390/kernel/cpcmd.c
+++ b/arch/s390/kernel/cpcmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2007
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index d628afc26708..9f5ea9d87069 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * S390 kdump implementation
  *
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 1d9e83c401fc..05a9cf4ae9c2 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *   S/390 debug facility
  *
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c
index 349914571772..53a5316cc4b7 100644
--- a/arch/s390/kernel/diag.c
+++ b/arch/s390/kernel/diag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of s390 diagnose codes
  *
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 60181caf8e8a..b945448b9eae 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007, 2009
  *    Author(s): Hongjie Yang <hongjie@us.ibm.com>,
diff --git a/arch/s390/kernel/early_printk.c b/arch/s390/kernel/early_printk.c
index 819cb15c67e8..9431784d7796 100644
--- a/arch/s390/kernel/early_printk.c
+++ b/arch/s390/kernel/early_printk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2017
  */
diff --git a/arch/s390/kernel/ebcdic.c b/arch/s390/kernel/ebcdic.c
index 1d5392b36ad8..c15caeab1dbf 100644
--- a/arch/s390/kernel/ebcdic.c
+++ b/arch/s390/kernel/ebcdic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    ECBDIC -> ASCII, ASCII -> ECBDIC,
  *    upper to lower case (EBCDIC) conversion tables.
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 21900e1cee9c..c41adce6062c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    S390 low-level entry points.
  *
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index dbf5f7e18246..905bde782490 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ENTRY_H
 #define _ENTRY_H
 
diff --git a/arch/s390/kernel/fpu.c b/arch/s390/kernel/fpu.c
index 1235b9438df4..594464f2129d 100644
--- a/arch/s390/kernel/fpu.c
+++ b/arch/s390/kernel/fpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * In-kernel vector facility support functions
  *
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index d03a6d12c4bd..dc76d813e420 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dynamic function tracer architecture backend.
  *
diff --git a/arch/s390/kernel/guarded_storage.c b/arch/s390/kernel/guarded_storage.c
index 6f064745c3b1..bff39b66c9ff 100644
--- a/arch/s390/kernel/guarded_storage.c
+++ b/arch/s390/kernel/guarded_storage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2016
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 8ed753c72d9b..b86fa3ee4927 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2010
  *
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 0d8f2a858ced..172002da7075 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999, 2010
  *
diff --git a/arch/s390/kernel/head_kdump.S b/arch/s390/kernel/head_kdump.S
index d05950f02c34..174d6959bf5b 100644
--- a/arch/s390/kernel/head_kdump.S
+++ b/arch/s390/kernel/head_kdump.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * S390 kdump lowlevel functions (new kernel)
  *
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index 9340b2a07935..b9d8fe45737a 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Idle functions for s390.
  *
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index a2fdff0e730b..94f2099bceb0 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2004, 2011
  *    Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c
index 262506cee4c3..43f8430fb67d 100644
--- a/arch/s390/kernel/jump_label.c
+++ b/arch/s390/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Jump label s390 support
  *
diff --git a/arch/s390/kernel/kdebugfs.c b/arch/s390/kernel/kdebugfs.c
index ee85e17dd79d..2c46bd6c6fd2 100644
--- a/arch/s390/kernel/kdebugfs.c
+++ b/arch/s390/kernel/kdebugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/debugfs.h>
 #include <linux/export.h>
 #include <linux/init.h>
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 3d0b14afa232..b0ba2c26b45e 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2005, 2011
  *
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 9a17e4475d27..82df7d80fab2 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2008, 2009
  *
diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c
index 753ba63182b9..0a5e4bafb6ad 100644
--- a/arch/s390/kernel/os_info.c
+++ b/arch/s390/kernel/os_info.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OS info memory interface
  *
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
index d3133285b7d1..08bfa17ba0a0 100644
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Perf PMU sysfs events attributes for available CPU-measurement counters
  *
diff --git a/arch/s390/kernel/pgm_check.S b/arch/s390/kernel/pgm_check.S
index 036aa01d06a9..3e62aae34ea3 100644
--- a/arch/s390/kernel/pgm_check.S
+++ b/arch/s390/kernel/pgm_check.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Program check table.
  *
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index bb32b8618bf6..a4a84fb08046 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file handles the architecture dependent parts of process handling.
  *
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 778cd6536175..5362fd868d0d 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright IBM Corp. 2008
  *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 252ed61a128b..1427d60ce628 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Ptrace user space interface.
  *
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 89ea8c213d82..a40ebd1d29d0 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp 2000, 2011
  *    Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>,
diff --git a/arch/s390/kernel/relocate_kernel.S b/arch/s390/kernel/relocate_kernel.S
index 4bdc65636603..ca37e5d5b40c 100644
--- a/arch/s390/kernel/relocate_kernel.S
+++ b/arch/s390/kernel/relocate_kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2005
  *
diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c
index 429d3a782f1c..32aefb215e59 100644
--- a/arch/s390/kernel/runtime_instr.c
+++ b/arch/s390/kernel/runtime_instr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2012
  * Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 289dd50f9744..2d2960ab3e10 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 1999, 2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 495ff6959dec..092c4154abd7 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  SMP related functions
  *
diff --git a/arch/s390/kernel/suspend.c b/arch/s390/kernel/suspend.c
index c8ea715bfe10..a8af9c825628 100644
--- a/arch/s390/kernel/suspend.c
+++ b/arch/s390/kernel/suspend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Suspend support specific for s390.
  *
diff --git a/arch/s390/kernel/swsusp.S b/arch/s390/kernel/swsusp.S
index 6bebc935e9c2..e99187149f17 100644
--- a/arch/s390/kernel/swsusp.S
+++ b/arch/s390/kernel/swsusp.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * S390 64-bit swsusp implementation
  *
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index b7af452978ca..0090037ab148 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 54fce7b065de..d39f121e67a9 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * definitions for sys_call_table, each line represents an
  * entry in the table in the form
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index fb869b103825..a441cba8d165 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright IBM Corp. 2001, 2009
  *  Author(s): Ulrich Weigand <Ulrich.Weigand@de.ibm.com>,
diff --git a/arch/s390/kernel/trace.c b/arch/s390/kernel/trace.c
index dde7654f5c68..490b52e85014 100644
--- a/arch/s390/kernel/trace.c
+++ b/arch/s390/kernel/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tracepoint definitions for s390
  *
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 442e5423ce3d..a5297a22bc1e 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c
index d94baa8db507..d9d1f512f019 100644
--- a/arch/s390/kernel/uprobes.c
+++ b/arch/s390/kernel/uprobes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  User-space Probes (UProbes) for s390
  *
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 6cc947896c77..308564b9bf68 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # List of files in the vdso, has to be asm only for now
 
 KCOV_INSTRUMENT := n
diff --git a/arch/s390/kernel/vdso32/getcpu.S b/arch/s390/kernel/vdso32/getcpu.S
index c1ed0b72030f..6e30769dd017 100644
--- a/arch/s390/kernel/vdso32/getcpu.S
+++ b/arch/s390/kernel/vdso32/getcpu.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Userland implementation of getcpu() for 32 bits processes in a
  * s390 kernel for use in the vDSO
diff --git a/arch/s390/kernel/vdso32/note.S b/arch/s390/kernel/vdso32/note.S
index 79a071e4357e..db19d0680a0a 100644
--- a/arch/s390/kernel/vdso32/note.S
+++ b/arch/s390/kernel/vdso32/note.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
  * Here we can supply some information useful to userland.
diff --git a/arch/s390/kernel/vdso32/vdso32.lds.S b/arch/s390/kernel/vdso32/vdso32.lds.S
index 263a7f9eee1e..721c4954cb6e 100644
--- a/arch/s390/kernel/vdso32/vdso32.lds.S
+++ b/arch/s390/kernel/vdso32/vdso32.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is the infamous ld script for the 32 bits vdso
  * library
diff --git a/arch/s390/kernel/vdso32/vdso32_wrapper.S b/arch/s390/kernel/vdso32/vdso32_wrapper.S
index ae42f8ce350b..de2fb930471a 100644
--- a/arch/s390/kernel/vdso32/vdso32_wrapper.S
+++ b/arch/s390/kernel/vdso32/vdso32_wrapper.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 #include <linux/linkage.h>
 #include <asm/page.h>
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 2d54c18089eb..f81ae7998883 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # List of files in the vdso, has to be asm only for now
 
 KCOV_INSTRUMENT := n
diff --git a/arch/s390/kernel/vdso64/getcpu.S b/arch/s390/kernel/vdso64/getcpu.S
index 4cbe98291931..43983764b959 100644
--- a/arch/s390/kernel/vdso64/getcpu.S
+++ b/arch/s390/kernel/vdso64/getcpu.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Userland implementation of getcpu() for 64 bits processes in a
  * s390 kernel for use in the vDSO
diff --git a/arch/s390/kernel/vdso64/vdso64.lds.S b/arch/s390/kernel/vdso64/vdso64.lds.S
index 9e3dbbcc1cfc..7ddb116b5e2e 100644
--- a/arch/s390/kernel/vdso64/vdso64.lds.S
+++ b/arch/s390/kernel/vdso64/vdso64.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is the infamous ld script for the 64 bits vdso
  * library
diff --git a/arch/s390/kernel/vdso64/vdso64_wrapper.S b/arch/s390/kernel/vdso64/vdso64_wrapper.S
index c245842b516f..672184998623 100644
--- a/arch/s390/kernel/vdso64/vdso64_wrapper.S
+++ b/arch/s390/kernel/vdso64/vdso64_wrapper.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 #include <linux/linkage.h>
 #include <asm/page.h>
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 6e2c42bd1c3b..96a713a470e7 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script to make s390 Linux kernel
  * Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index b1900239b0ab..9a4594e0a1ff 100644
--- a/arch/s390/kvm/Kconfig
+++ b/arch/s390/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 3cc77391a102..c24bfa72baf7 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * guest access functions
  *
diff --git a/arch/s390/kvm/trace-s390.h b/arch/s390/kvm/trace-s390.h
index 78b7e847984a..6f0209d45164 100644
--- a/arch/s390/kvm/trace-s390.h
+++ b/arch/s390/kvm/trace-s390.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVMS390_H
 
diff --git a/arch/s390/kvm/trace.h b/arch/s390/kvm/trace.h
index 4fc9d4e5be89..aa419eb6a0c8 100644
--- a/arch/s390/kvm/trace.h
+++ b/arch/s390/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_H
 
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index 1d1af31e8354..9bfe0802684b 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for s390-specific library files..
 #
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index 7f17555ad4d5..d4aa10795605 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Precise Delay Loops for S390
  *
diff --git a/arch/s390/lib/find.c b/arch/s390/lib/find.c
index d90b9245ea41..96a8a2e2d067 100644
--- a/arch/s390/lib/find.c
+++ b/arch/s390/lib/find.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MSB0 numbered special bitops handling.
  *
diff --git a/arch/s390/lib/mem.S b/arch/s390/lib/mem.S
index 7ff79a4ff00c..d66751397e72 100644
--- a/arch/s390/lib/mem.S
+++ b/arch/s390/lib/mem.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * String handling functions.
  *
diff --git a/arch/s390/lib/probes.c b/arch/s390/lib/probes.c
index 1963ddbf4ab3..1e184a03442d 100644
--- a/arch/s390/lib/probes.c
+++ b/arch/s390/lib/probes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Common helper functions for kprobes and uprobes
  *
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index b12663d653d8..1dc85f552f48 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Out of line spinlock code.
  *
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index 4ee27339c792..dbf2fdad2724 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Optimized string functions
  *
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 4ea9106417ee..802903c50de1 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Standard user space access functions based on mvcp/mvcs and doing
  *  interesting things in the secondary space mode.
diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c
index b4fd05c36151..96580590ccaf 100644
--- a/arch/s390/lib/xor.c
+++ b/arch/s390/lib/xor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Optimized xor_block operation for RAID4/5
  *
diff --git a/arch/s390/mm/Makefile b/arch/s390/mm/Makefile
index 0aa0ad165d8b..33fe418506bc 100644
--- a/arch/s390/mm/Makefile
+++ b/arch/s390/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux s390-specific parts of the memory manager.
 #
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c
index 049c3c455b32..507f23ba2034 100644
--- a/arch/s390/mm/dump_pagetables.c
+++ b/arch/s390/mm/dump_pagetables.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/sched.h>
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 9f118629b55f..920d40894535 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Carsten Otte <cotte@de.ibm.com>
  * 		    Rob M van der Heij <rvdheij@nl.ibm.com>
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index bdabb013537b..242b78c0a9ec 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index 98ffe3ee9411..05c8abd864f1 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Lockless get_user_pages_fast for s390
  *
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 44a8e6f0391e..e804090f4470 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  IBM System z Huge TLB Page Support for Kernel.
  *
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 3b567838b905..41ba9bd53e48 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  S390 version
  *    Copyright IBM Corp. 1999
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 792f9c63fbca..7be06475809b 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Access kernel memory without faulting -- s390 specific implementation.
  *
diff --git a/arch/s390/mm/mem_detect.c b/arch/s390/mm/mem_detect.c
index e58dca05b962..21f6c82c8296 100644
--- a/arch/s390/mm/mem_detect.c
+++ b/arch/s390/mm/mem_detect.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2008, 2009
  *
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
index 07fa7b8ae233..382153ff17e3 100644
--- a/arch/s390/mm/page-states.c
+++ b/arch/s390/mm/page-states.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2008
  *
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index 552f898dfa74..c44171588d08 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2011
  * Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 05f1f27e6708..cc2faffa7d6e 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Page table allocation functions
  *
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index c0af0d7b6e5f..f2ada0bc08e6 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2006
  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/arch/s390/net/bpf_jit.S b/arch/s390/net/bpf_jit.S
index a1c917d881ec..25bb4643c4f4 100644
--- a/arch/s390/net/bpf_jit.S
+++ b/arch/s390/net/bpf_jit.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * BPF Jit compiler for s390, help functions.
  *
diff --git a/arch/s390/net/bpf_jit.h b/arch/s390/net/bpf_jit.h
index fda605dbc1b4..7fa55ccffe48 100644
--- a/arch/s390/net/bpf_jit.h
+++ b/arch/s390/net/bpf_jit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * BPF Jit compiler defines
  *
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 8ec88497a28d..b15cd2f0320f 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * BPF Jit compiler for s390.
  *
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c
index cfd08384f0ab..83b222c57609 100644
--- a/arch/s390/numa/mode_emu.c
+++ b/arch/s390/numa/mode_emu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index f576f1073378..06a80434cfe6 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/numa/numa_mode.h b/arch/s390/numa/numa_mode.h
index 08953b0b1c7f..dfd3e2784081 100644
--- a/arch/s390/numa/numa_mode.h
+++ b/arch/s390/numa/numa_mode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/numa/toptree.c b/arch/s390/numa/toptree.c
index 26f622b1cd11..21d1e8a1546d 100644
--- a/arch/s390/numa/toptree.c
+++ b/arch/s390/numa/toptree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/numa/toptree.h b/arch/s390/numa/toptree.h
index bdf502027af4..5246371ec713 100644
--- a/arch/s390/numa/toptree.h
+++ b/arch/s390/numa/toptree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NUMA support for s390
  *
diff --git a/arch/s390/oprofile/Makefile b/arch/s390/oprofile/Makefile
index e9dd41b0b8d3..36261f9d360b 100644
--- a/arch/s390/oprofile/Makefile
+++ b/arch/s390/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 9a4de4599c7b..43d9525c36fc 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * S390 Version
  *   Copyright IBM Corp. 2002, 2011
diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c
index 0ae3936e266f..93cd0f1ca12b 100644
--- a/arch/s390/pci/pci_clp.c
+++ b/arch/s390/pci/pci_clp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2012
  *
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index 0bbc04af4418..8d6ee4af4230 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright IBM Corp. 2012
  *
diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c
index b1bb2b72302c..7d42a8794f10 100644
--- a/arch/s390/pci/pci_mmio.c
+++ b/arch/s390/pci/pci_mmio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Access to PCI I/O memory from user space programs.
  *
diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c
index ed484dc84d14..430c14b006d1 100644
--- a/arch/s390/pci/pci_sysfs.c
+++ b/arch/s390/pci/pci_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2012
  *
diff --git a/arch/s390/tools/Makefile b/arch/s390/tools/Makefile
index 4b5e1e499527..d54c149fbb6b 100644
--- a/arch/s390/tools/Makefile
+++ b/arch/s390/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for s390 specific build tools
 #
diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c
index 70dd8f17d054..0373801d9860 100644
--- a/arch/s390/tools/gen_facilities.c
+++ b/arch/s390/tools/gen_facilities.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple program to generate defines out of facility lists that use the bit
  * numbering scheme from the Princples of Operations: most significant bit
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index 507d63181389..d881f99c9ddd 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Machine selection"
 
 config SCORE
diff --git a/arch/score/Kconfig.debug b/arch/score/Kconfig.debug
index d8a9b2d146ee..041e51dcdafb 100644
--- a/arch/score/Kconfig.debug
+++ b/arch/score/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/score/include/asm/asmmacro.h b/arch/score/include/asm/asmmacro.h
index a04a54cea25d..7370a35d17d1 100644
--- a/arch/score/include/asm/asmmacro.h
+++ b/arch/score/include/asm/asmmacro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_ASMMACRO_H
 #define _ASM_SCORE_ASMMACRO_H
 
diff --git a/arch/score/include/asm/atomic.h b/arch/score/include/asm/atomic.h
index edf33dbded1e..56700980b9be 100644
--- a/arch/score/include/asm/atomic.h
+++ b/arch/score/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_ATOMIC_H
 #define _ASM_SCORE_ATOMIC_H
 
diff --git a/arch/score/include/asm/bitops.h b/arch/score/include/asm/bitops.h
index c1bf8d6d0fb0..6342b0123725 100644
--- a/arch/score/include/asm/bitops.h
+++ b/arch/score/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_BITOPS_H
 #define _ASM_SCORE_BITOPS_H
 
diff --git a/arch/score/include/asm/bug.h b/arch/score/include/asm/bug.h
index fd7164af1f04..966b2e9e8d74 100644
--- a/arch/score/include/asm/bug.h
+++ b/arch/score/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_BUG_H
 #define _ASM_SCORE_BUG_H
 
diff --git a/arch/score/include/asm/bugs.h b/arch/score/include/asm/bugs.h
index a062e1056bb3..81185dced763 100644
--- a/arch/score/include/asm/bugs.h
+++ b/arch/score/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_BUGS_H
 #define _ASM_SCORE_BUGS_H
 
diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
index ae3d59f2d2c4..d55de3cbbb9f 100644
--- a/arch/score/include/asm/cache.h
+++ b/arch/score/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_CACHE_H
 #define _ASM_SCORE_CACHE_H
 
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h
index 1d545d0ce206..cf1e609634fd 100644
--- a/arch/score/include/asm/cacheflush.h
+++ b/arch/score/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_CACHEFLUSH_H
 #define _ASM_SCORE_CACHEFLUSH_H
 
diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h
index 0338927f4826..9f00ca5fd49d 100644
--- a/arch/score/include/asm/checksum.h
+++ b/arch/score/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_CHECKSUM_H
 #define _ASM_SCORE_CHECKSUM_H
 
diff --git a/arch/score/include/asm/cmpxchg.h b/arch/score/include/asm/cmpxchg.h
index cc3f6420b71c..e503073c8978 100644
--- a/arch/score/include/asm/cmpxchg.h
+++ b/arch/score/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_CMPXCHG_H
 #define _ASM_SCORE_CMPXCHG_H
 
diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h
index 529e494712a5..a4bd2c748ab4 100644
--- a/arch/score/include/asm/delay.h
+++ b/arch/score/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_DELAY_H
 #define _ASM_SCORE_DELAY_H
 
diff --git a/arch/score/include/asm/device.h b/arch/score/include/asm/device.h
index 2dc7cc5d5ef9..818ad4d01197 100644
--- a/arch/score/include/asm/device.h
+++ b/arch/score/include/asm/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_DEVICE_H
 #define _ASM_SCORE_DEVICE_H
 
diff --git a/arch/score/include/asm/div64.h b/arch/score/include/asm/div64.h
index 75fae19824eb..cf73dc218bec 100644
--- a/arch/score/include/asm/div64.h
+++ b/arch/score/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_DIV64_H
 #define _ASM_SCORE_DIV64_H
 
diff --git a/arch/score/include/asm/dma.h b/arch/score/include/asm/dma.h
index 9f44185298bf..fd44a9cbee4f 100644
--- a/arch/score/include/asm/dma.h
+++ b/arch/score/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_DMA_H
 #define _ASM_SCORE_DMA_H
 
diff --git a/arch/score/include/asm/elf.h b/arch/score/include/asm/elf.h
index 6a9421c693ca..c970ac160f3c 100644
--- a/arch/score/include/asm/elf.h
+++ b/arch/score/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_ELF_H
 #define _ASM_SCORE_ELF_H
 
diff --git a/arch/score/include/asm/emergency-restart.h b/arch/score/include/asm/emergency-restart.h
index ca31e9803a8a..b0612c677764 100644
--- a/arch/score/include/asm/emergency-restart.h
+++ b/arch/score/include/asm/emergency-restart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_EMERGENCY_RESTART_H
 #define _ASM_SCORE_EMERGENCY_RESTART_H
 
diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
index f9f3cd59c860..a1f95e1d8a31 100644
--- a/arch/score/include/asm/exec.h
+++ b/arch/score/include/asm/exec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_EXEC_H
 #define _ASM_SCORE_EXEC_H
 
diff --git a/arch/score/include/asm/fixmap.h b/arch/score/include/asm/fixmap.h
index ee1676694024..68ca314830c9 100644
--- a/arch/score/include/asm/fixmap.h
+++ b/arch/score/include/asm/fixmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_FIXMAP_H
 #define _ASM_SCORE_FIXMAP_H
 
diff --git a/arch/score/include/asm/futex.h b/arch/score/include/asm/futex.h
index 1dca2420f8db..ec247fb364c9 100644
--- a/arch/score/include/asm/futex.h
+++ b/arch/score/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_FUTEX_H
 #define _ASM_SCORE_FUTEX_H
 
diff --git a/arch/score/include/asm/hardirq.h b/arch/score/include/asm/hardirq.h
index dc932c50d3ee..d8dd8909cb18 100644
--- a/arch/score/include/asm/hardirq.h
+++ b/arch/score/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_HARDIRQ_H
 #define _ASM_SCORE_HARDIRQ_H
 
diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h
index 574c8827abe2..37ce8723b06b 100644
--- a/arch/score/include/asm/io.h
+++ b/arch/score/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_IO_H
 #define _ASM_SCORE_IO_H
 
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
index c883f3df33fa..c1434c889de2 100644
--- a/arch/score/include/asm/irq.h
+++ b/arch/score/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_IRQ_H
 #define _ASM_SCORE_IRQ_H
 
diff --git a/arch/score/include/asm/irq_regs.h b/arch/score/include/asm/irq_regs.h
index b8e881c9a69f..740b2315d848 100644
--- a/arch/score/include/asm/irq_regs.h
+++ b/arch/score/include/asm/irq_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_IRQ_REGS_H
 #define _ASM_SCORE_IRQ_REGS_H
 
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h
index 37c6ac9dd6e8..354c1979ea8d 100644
--- a/arch/score/include/asm/irqflags.h
+++ b/arch/score/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_IRQFLAGS_H
 #define _ASM_SCORE_IRQFLAGS_H
 
diff --git a/arch/score/include/asm/kdebug.h b/arch/score/include/asm/kdebug.h
index a666e513f747..481ba1fb5372 100644
--- a/arch/score/include/asm/kdebug.h
+++ b/arch/score/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_KDEBUG_H
 #define _ASM_SCORE_KDEBUG_H
 
diff --git a/arch/score/include/asm/kmap_types.h b/arch/score/include/asm/kmap_types.h
index 6c46eb5077d3..14261872c9c7 100644
--- a/arch/score/include/asm/kmap_types.h
+++ b/arch/score/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_KMAP_TYPES_H
 #define _ASM_SCORE_KMAP_TYPES_H
 
diff --git a/arch/score/include/asm/linkage.h b/arch/score/include/asm/linkage.h
index 2323a8ecf445..0c11c009969a 100644
--- a/arch/score/include/asm/linkage.h
+++ b/arch/score/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_LINKAGE_H
 #define _ASM_SCORE_LINKAGE_H
 
diff --git a/arch/score/include/asm/local.h b/arch/score/include/asm/local.h
index 7e02f13dbba8..00bdebdf75f2 100644
--- a/arch/score/include/asm/local.h
+++ b/arch/score/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_LOCAL_H
 #define _ASM_SCORE_LOCAL_H
 
diff --git a/arch/score/include/asm/mmu.h b/arch/score/include/asm/mmu.h
index 676828e4c10a..d913369adda3 100644
--- a/arch/score/include/asm/mmu.h
+++ b/arch/score/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_MMU_H
 #define _ASM_SCORE_MMU_H
 
diff --git a/arch/score/include/asm/mmu_context.h b/arch/score/include/asm/mmu_context.h
index 073f95d350de..d0aa2a5aebca 100644
--- a/arch/score/include/asm/mmu_context.h
+++ b/arch/score/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_MMU_CONTEXT_H
 #define _ASM_SCORE_MMU_CONTEXT_H
 
diff --git a/arch/score/include/asm/module.h b/arch/score/include/asm/module.h
index 6dc1f2935eef..33777ed32e9e 100644
--- a/arch/score/include/asm/module.h
+++ b/arch/score/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_MODULE_H
 #define _ASM_SCORE_MODULE_H
 
diff --git a/arch/score/include/asm/page.h b/arch/score/include/asm/page.h
index 1e9ade8e77e6..17d9c68b6bd5 100644
--- a/arch/score/include/asm/page.h
+++ b/arch/score/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PAGE_H
 #define _ASM_SCORE_PAGE_H
 
diff --git a/arch/score/include/asm/percpu.h b/arch/score/include/asm/percpu.h
index e7bd4e05b475..5a6a2f7e5d62 100644
--- a/arch/score/include/asm/percpu.h
+++ b/arch/score/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PERCPU_H
 #define _ASM_SCORE_PERCPU_H
 
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
index 49b012d78c1a..7dfc5c163093 100644
--- a/arch/score/include/asm/pgalloc.h
+++ b/arch/score/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PGALLOC_H
 #define _ASM_SCORE_PGALLOC_H
 
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h
index 0e5c6f466520..fb8f306f4d11 100644
--- a/arch/score/include/asm/pgtable-bits.h
+++ b/arch/score/include/asm/pgtable-bits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PGTABLE_BITS_H
 #define _ASM_SCORE_PGTABLE_BITS_H
 
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index 46ff8fd678a7..c14226be0559 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PGTABLE_H
 #define _ASM_SCORE_PGTABLE_H
 
diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h
index 299274581968..1412c774c6b1 100644
--- a/arch/score/include/asm/processor.h
+++ b/arch/score/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PROCESSOR_H
 #define _ASM_SCORE_PROCESSOR_H
 
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index abc279d96b73..026b9c51bee8 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_PTRACE_H
 #define _ASM_SCORE_PTRACE_H
 
diff --git a/arch/score/include/asm/scoreregs.h b/arch/score/include/asm/scoreregs.h
index d0ad29204518..ff8d20a49aa7 100644
--- a/arch/score/include/asm/scoreregs.h
+++ b/arch/score/include/asm/scoreregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SCOREREGS_H
 #define _ASM_SCORE_SCOREREGS_H
 
diff --git a/arch/score/include/asm/segment.h b/arch/score/include/asm/segment.h
index e16cf6afb495..b00c277e17ff 100644
--- a/arch/score/include/asm/segment.h
+++ b/arch/score/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SEGMENT_H
 #define _ASM_SCORE_SEGMENT_H
 
diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h
index 1f3aa7262fa3..a596d0bd0632 100644
--- a/arch/score/include/asm/setup.h
+++ b/arch/score/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SETUP_H
 #define _ASM_SCORE_SETUP_H
 
diff --git a/arch/score/include/asm/shmparam.h b/arch/score/include/asm/shmparam.h
index 1d60813141b6..01a3d0eaed80 100644
--- a/arch/score/include/asm/shmparam.h
+++ b/arch/score/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SHMPARAM_H
 #define _ASM_SCORE_SHMPARAM_H
 
diff --git a/arch/score/include/asm/string.h b/arch/score/include/asm/string.h
index 8a6bf5063aa5..3debf3b234b7 100644
--- a/arch/score/include/asm/string.h
+++ b/arch/score/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_STRING_H
 #define _ASM_SCORE_STRING_H
 
diff --git a/arch/score/include/asm/switch_to.h b/arch/score/include/asm/switch_to.h
index fda3f83308d2..ce730e60cd43 100644
--- a/arch/score/include/asm/switch_to.h
+++ b/arch/score/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SWITCH_TO_H
 #define _ASM_SCORE_SWITCH_TO_H
 
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
index 98d1df92fbd1..caa099fd9a8e 100644
--- a/arch/score/include/asm/syscalls.h
+++ b/arch/score/include/asm/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_SYSCALLS_H
 #define _ASM_SCORE_SYSCALLS_H
 
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h
index 7d9ffb15c477..ad51b56e51bd 100644
--- a/arch/score/include/asm/thread_info.h
+++ b/arch/score/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_THREAD_INFO_H
 #define _ASM_SCORE_THREAD_INFO_H
 
diff --git a/arch/score/include/asm/timex.h b/arch/score/include/asm/timex.h
index a524ae0c5e7b..ea8e7ff49e57 100644
--- a/arch/score/include/asm/timex.h
+++ b/arch/score/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_TIMEX_H
 #define _ASM_SCORE_TIMEX_H
 
diff --git a/arch/score/include/asm/tlb.h b/arch/score/include/asm/tlb.h
index 46882ed524e6..6e7206428877 100644
--- a/arch/score/include/asm/tlb.h
+++ b/arch/score/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_TLB_H
 #define _ASM_SCORE_TLB_H
 
diff --git a/arch/score/include/asm/tlbflush.h b/arch/score/include/asm/tlbflush.h
index 9cce978367d5..f48722f4b00e 100644
--- a/arch/score/include/asm/tlbflush.h
+++ b/arch/score/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_TLBFLUSH_H
 #define _ASM_SCORE_TLBFLUSH_H
 
diff --git a/arch/score/include/asm/topology.h b/arch/score/include/asm/topology.h
index 425fba381f88..06577d2a1808 100644
--- a/arch/score/include/asm/topology.h
+++ b/arch/score/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_TOPOLOGY_H
 #define _ASM_SCORE_TOPOLOGY_H
 
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
index 0ef220474d9b..a233f3236846 100644
--- a/arch/score/include/asm/uaccess.h
+++ b/arch/score/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SCORE_UACCESS_H
 #define __SCORE_UACCESS_H
 
diff --git a/arch/score/include/asm/unaligned.h b/arch/score/include/asm/unaligned.h
index 2fc06de51c62..5db6c805ce7e 100644
--- a/arch/score/include/asm/unaligned.h
+++ b/arch/score/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_UNALIGNED_H
 #define _ASM_SCORE_UNALIGNED_H
 
diff --git a/arch/score/include/asm/user.h b/arch/score/include/asm/user.h
index 7bfb8e2c8054..f7b0f3434e72 100644
--- a/arch/score/include/asm/user.h
+++ b/arch/score/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SCORE_USER_H
 #define _ASM_SCORE_USER_H
 
diff --git a/arch/score/kernel/Makefile b/arch/score/kernel/Makefile
index fb1802b3f542..42def8cff873 100644
--- a/arch/score/kernel/Makefile
+++ b/arch/score/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SCORE kernel.
 #
diff --git a/arch/score/kernel/sys_call_table.c b/arch/score/kernel/sys_call_table.c
index 287369b88c43..9e6ae793e690 100644
--- a/arch/score/kernel/sys_call_table.c
+++ b/arch/score/kernel/sys_call_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/syscalls.h>
 #include <linux/signal.h>
 #include <linux/unistd.h>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 640a85925060..97fe29316476 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SUPERH
 	def_bool y
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu
index 05b518e90cf7..4a4edc7e03d4 100644
--- a/arch/sh/Kconfig.cpu
+++ b/arch/sh/Kconfig.cpu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Processor features"
 
 choice
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 5f2bb4242c0f..d0767672640d 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 3554fcaa023b..6394b4f0a69b 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Board support"
 
 config SOLUTION_ENGINE
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index cea300362035..4002a22a7c40 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Specific board support, not covered by a mach group.
 #
diff --git a/arch/sh/boards/board-edosk7705.c b/arch/sh/boards/board-edosk7705.c
index 5e24c17bbdad..67a8803eb3f9 100644
--- a/arch/sh/boards/board-edosk7705.c
+++ b/arch/sh/boards/board-edosk7705.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/renesas/edosk7705/setup.c
  *
diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c
index 37a08d094727..3de7bac01903 100644
--- a/arch/sh/boards/board-polaris.c
+++ b/arch/sh/boards/board-polaris.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * June 2006 Steve Glendinning <steve.glendinning@shawell.net>
  *
diff --git a/arch/sh/boards/board-secureedge5410.c b/arch/sh/boards/board-secureedge5410.c
index 97ec67ffec2b..603a82325c65 100644
--- a/arch/sh/boards/board-secureedge5410.c
+++ b/arch/sh/boards/board-secureedge5410.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
  * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/board-sh2007.c b/arch/sh/boards/board-sh2007.c
index 1980bb7e5780..ef9c87deeb08 100644
--- a/arch/sh/boards/board-sh2007.c
+++ b/arch/sh/boards/board-sh2007.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SH-2007 board support.
  *
diff --git a/arch/sh/boards/board-shmin.c b/arch/sh/boards/board-shmin.c
index 325bed53b87e..83296c0b75c4 100644
--- a/arch/sh/boards/board-shmin.c
+++ b/arch/sh/boards/board-shmin.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/shmin/setup.c
  *
diff --git a/arch/sh/boards/mach-highlander/Kconfig b/arch/sh/boards/mach-highlander/Kconfig
index 42f5589b4bf3..b0abd03cac4e 100644
--- a/arch/sh/boards/mach-highlander/Kconfig
+++ b/arch/sh/boards/mach-highlander/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if SH_HIGHLANDER
 
 choice
diff --git a/arch/sh/boards/mach-highlander/Makefile b/arch/sh/boards/mach-highlander/Makefile
index d93aaf880134..880ed68138b0 100644
--- a/arch/sh/boards/mach-highlander/Makefile
+++ b/arch/sh/boards/mach-highlander/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Highlander specific parts of the kernel
 #
diff --git a/arch/sh/boards/mach-migor/Kconfig b/arch/sh/boards/mach-migor/Kconfig
index a7b3b728ec3c..fb64a10e2170 100644
--- a/arch/sh/boards/mach-migor/Kconfig
+++ b/arch/sh/boards/mach-migor/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if SH_MIGOR
 
 choice
diff --git a/arch/sh/boards/mach-r2d/Kconfig b/arch/sh/boards/mach-r2d/Kconfig
index 8122a9667fc9..21770e668de2 100644
--- a/arch/sh/boards/mach-r2d/Kconfig
+++ b/arch/sh/boards/mach-r2d/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if SH_RTS7751R2D
 
 menu "RTS7751R2D Board Revision"
diff --git a/arch/sh/boards/mach-r2d/irq.c b/arch/sh/boards/mach-r2d/irq.c
index 574f009c3c31..e34f81e9ae81 100644
--- a/arch/sh/boards/mach-r2d/irq.c
+++ b/arch/sh/boards/mach-r2d/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/renesas/rts7751r2d/irq.c
  *
diff --git a/arch/sh/boards/mach-rsk/Kconfig b/arch/sh/boards/mach-rsk/Kconfig
index 0b9b2c4952c1..f0299bc4416f 100644
--- a/arch/sh/boards/mach-rsk/Kconfig
+++ b/arch/sh/boards/mach-rsk/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if SH_RSK
 
 choice
diff --git a/arch/sh/boards/mach-sdk7780/Kconfig b/arch/sh/boards/mach-sdk7780/Kconfig
index 065f1df09bf1..d4392efd2f74 100644
--- a/arch/sh/boards/mach-sdk7780/Kconfig
+++ b/arch/sh/boards/mach-sdk7780/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if SH_SDK7780
 
 choice
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
index 0db058e709e9..2b15370829ae 100644
--- a/arch/sh/boards/mach-se/7206/irq.c
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/se/7206/irq.c
  *
diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c
index 68883ec95682..dc55d3a69665 100644
--- a/arch/sh/boards/mach-se/7206/setup.c
+++ b/arch/sh/boards/mach-se/7206/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  * linux/arch/sh/boards/se/7206/setup.c
diff --git a/arch/sh/boards/mach-se/7343/setup.c b/arch/sh/boards/mach-se/7343/setup.c
index 8ce4f2a202a8..fe0e550601a2 100644
--- a/arch/sh/boards/mach-se/7343/setup.c
+++ b/arch/sh/boards/mach-se/7343/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
diff --git a/arch/sh/boards/mach-se/770x/irq.c b/arch/sh/boards/mach-se/770x/irq.c
index 1028c17b81bc..66e2c8aa0b69 100644
--- a/arch/sh/boards/mach-se/770x/irq.c
+++ b/arch/sh/boards/mach-se/770x/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/se/770x/irq.c
  *
diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c
index 658326f44df8..77c35350ee77 100644
--- a/arch/sh/boards/mach-se/770x/setup.c
+++ b/arch/sh/boards/mach-se/770x/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/se/770x/setup.c
  *
diff --git a/arch/sh/boards/mach-se/7751/irq.c b/arch/sh/boards/mach-se/7751/irq.c
index 5c9847ea1e7c..dcefe58d8753 100644
--- a/arch/sh/boards/mach-se/7751/irq.c
+++ b/arch/sh/boards/mach-se/7751/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/se/7751/irq.c
  *
diff --git a/arch/sh/boards/mach-se/7751/setup.c b/arch/sh/boards/mach-se/7751/setup.c
index 820f4e7ba0d2..4c480605557f 100644
--- a/arch/sh/boards/mach-se/7751/setup.c
+++ b/arch/sh/boards/mach-se/7751/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/se/7751/setup.c
  *
diff --git a/arch/sh/boards/mach-se/Makefile b/arch/sh/boards/mach-se/Makefile
index b537e238c6bc..8f69fc147c73 100644
--- a/arch/sh/boards/mach-se/Makefile
+++ b/arch/sh/boards/mach-se/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SH_7619_SOLUTION_ENGINE)	+= board-se7619.o
 
 obj-$(CONFIG_SH_SOLUTION_ENGINE)	+= 770x/
diff --git a/arch/sh/boards/mach-se/board-se7619.c b/arch/sh/boards/mach-se/board-se7619.c
index 958bcd7aacc5..4431da64a56f 100644
--- a/arch/sh/boards/mach-se/board-se7619.c
+++ b/arch/sh/boards/mach-se/board-se7619.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/se/7619/setup.c
  *
diff --git a/arch/sh/boards/mach-sh03/rtc.c b/arch/sh/boards/mach-sh03/rtc.c
index f83ac7995d0f..dc3d50e3b7a2 100644
--- a/arch/sh/boards/mach-sh03/rtc.c
+++ b/arch/sh/boards/mach-sh03/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/sh03/rtc.c -- CTP/PCI-SH03 on-chip RTC support
  *
diff --git a/arch/sh/boards/mach-sh03/setup.c b/arch/sh/boards/mach-sh03/setup.c
index f582dab59343..85e7059a77e9 100644
--- a/arch/sh/boards/mach-sh03/setup.c
+++ b/arch/sh/boards/mach-sh03/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/boards/sh03/setup.c
  *
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index c4c47ea9fa94..f5e1bd779789 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/sh/boot/compressed/Makefile
 #
diff --git a/arch/sh/boot/compressed/cache.c b/arch/sh/boot/compressed/cache.c
index d0b77b68a4d0..31e04ff4841e 100644
--- a/arch/sh/boot/compressed/cache.c
+++ b/arch/sh/boot/compressed/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 int cache_control(unsigned int command)
 {
 	volatile unsigned int *p = (volatile unsigned int *) 0x80000000;
diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
index 3e150326f1fd..7bb168133dbb 100644
--- a/arch/sh/boot/compressed/head_32.S
+++ b/arch/sh/boot/compressed/head_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/sh/boot/compressed/head.S
  *
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index ae1dfdb0013b..f2d9d3079d4e 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boot/compressed/misc.c
  *
diff --git a/arch/sh/boot/dts/j2_mimas_v2.dts b/arch/sh/boot/dts/j2_mimas_v2.dts
index 880de75360b3..9f4742fab329 100644
--- a/arch/sh/boot/dts/j2_mimas_v2.dts
+++ b/arch/sh/boot/dts/j2_mimas_v2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 / {
diff --git a/arch/sh/boot/romimage/Makefile b/arch/sh/boot/romimage/Makefile
index 43c41191de5d..c7c8be58400c 100644
--- a/arch/sh/boot/romimage/Makefile
+++ b/arch/sh/boot/romimage/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/sh/boot/romimage/Makefile
 #
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
index 4671d1b82150..81a0652a3dff 100644
--- a/arch/sh/boot/romimage/head.S
+++ b/arch/sh/boot/romimage/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/sh/boot/romimage/head.S
  *
diff --git a/arch/sh/cchips/Kconfig b/arch/sh/cchips/Kconfig
index a5ab2eccdaa6..6be5ddec14d3 100644
--- a/arch/sh/cchips/Kconfig
+++ b/arch/sh/cchips/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Companion Chips"
 
 config HD6446X_SERIES
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index 8180092502f7..f3fba967445a 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Copyright (C) 2000 YAEGASHI Takeshi
  *	Hitachi HD64461 companion chip support
diff --git a/arch/sh/drivers/Kconfig b/arch/sh/drivers/Kconfig
index 420c6b2f33a5..80a45ad2852f 100644
--- a/arch/sh/drivers/Kconfig
+++ b/arch/sh/drivers/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 source "arch/sh/drivers/dma/Kconfig"
 source "arch/sh/cchips/Kconfig"
 
diff --git a/arch/sh/drivers/Makefile b/arch/sh/drivers/Makefile
index e13f06bebd92..3e93b434e604 100644
--- a/arch/sh/drivers/Makefile
+++ b/arch/sh/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux SuperH-specific device drivers.
 #
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 78bc97b1d027..d0de378beefe 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "DMA support"
 
 
diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile
index 82f0a335fd19..947bfe8bb0a7 100644
--- a/arch/sh/drivers/pci/Makefile
+++ b/arch/sh/drivers/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PCI specific kernel interface routines under Linux.
 #
diff --git a/arch/sh/drivers/pci/common.c b/arch/sh/drivers/pci/common.c
index dbf138199871..cae707f3472d 100644
--- a/arch/sh/drivers/pci/common.c
+++ b/arch/sh/drivers/pci/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 #include <linux/timer.h>
diff --git a/arch/sh/drivers/pci/fixups-cayman.c b/arch/sh/drivers/pci/fixups-cayman.c
index 32467884d6f7..c797bfbe2e98 100644
--- a/arch/sh/drivers/pci/fixups-cayman.c
+++ b/arch/sh/drivers/pci/fixups-cayman.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pci.h>
diff --git a/arch/sh/drivers/pci/fixups-se7751.c b/arch/sh/drivers/pci/fixups-se7751.c
index 1cb8d0ac4fdb..608f6521ceff 100644
--- a/arch/sh/drivers/pci/fixups-se7751.c
+++ b/arch/sh/drivers/pci/fixups-se7751.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
diff --git a/arch/sh/drivers/pci/fixups-sh03.c b/arch/sh/drivers/pci/fixups-sh03.c
index 55ac1ba2c74f..7ec4a74ab12c 100644
--- a/arch/sh/drivers/pci/fixups-sh03.c
+++ b/arch/sh/drivers/pci/fixups-sh03.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/types.h>
diff --git a/arch/sh/drivers/pci/pci-sh4.h b/arch/sh/drivers/pci/pci-sh4.h
index 0288efc17ff3..1543c50b6503 100644
--- a/arch/sh/drivers/pci/pci-sh4.h
+++ b/arch/sh/drivers/pci/pci-sh4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PCI_SH4_H
 #define __PCI_SH4_H
 
diff --git a/arch/sh/include/asm/adc.h b/arch/sh/include/asm/adc.h
index 48824c1fab80..99ec66849559 100644
--- a/arch/sh/include/asm/adc.h
+++ b/arch/sh/include/asm/adc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ADC_H
 #define __ASM_ADC_H
 #ifdef __KERNEL__
diff --git a/arch/sh/include/asm/alignment.h b/arch/sh/include/asm/alignment.h
index b12efecf5294..4f3e715b8c26 100644
--- a/arch/sh/include/asm/alignment.h
+++ b/arch/sh/include/asm/alignment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ALIGNMENT_H
 #define __ASM_SH_ALIGNMENT_H
 
diff --git a/arch/sh/include/asm/atomic-grb.h b/arch/sh/include/asm/atomic-grb.h
index d755e96c3064..aace62d42288 100644
--- a/arch/sh/include/asm/atomic-grb.h
+++ b/arch/sh/include/asm/atomic-grb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ATOMIC_GRB_H
 #define __ASM_SH_ATOMIC_GRB_H
 
diff --git a/arch/sh/include/asm/atomic-irq.h b/arch/sh/include/asm/atomic-irq.h
index 8e2da5fa0178..ee523bd2120f 100644
--- a/arch/sh/include/asm/atomic-irq.h
+++ b/arch/sh/include/asm/atomic-irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ATOMIC_IRQ_H
 #define __ASM_SH_ATOMIC_IRQ_H
 
diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h
index 1d159ce50f5a..1d06e4d288dc 100644
--- a/arch/sh/include/asm/atomic-llsc.h
+++ b/arch/sh/include/asm/atomic-llsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ATOMIC_LLSC_H
 #define __ASM_SH_ATOMIC_LLSC_H
 
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index 8a7bd80c8b33..0fd0099f43cc 100644
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ATOMIC_H
 #define __ASM_SH_ATOMIC_H
 
diff --git a/arch/sh/include/asm/barrier.h b/arch/sh/include/asm/barrier.h
index 3c30b6e166b6..66faae19d254 100644
--- a/arch/sh/include/asm/barrier.h
+++ b/arch/sh/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999, 2000  Niibe Yutaka  &  Kaz Kojima
  * Copyright (C) 2002 Paul Mundt
diff --git a/arch/sh/include/asm/bitops-cas.h b/arch/sh/include/asm/bitops-cas.h
index 88f793c04d3c..ba517b3f24da 100644
--- a/arch/sh/include/asm/bitops-cas.h
+++ b/arch/sh/include/asm/bitops-cas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BITOPS_CAS_H
 #define __ASM_SH_BITOPS_CAS_H
 
diff --git a/arch/sh/include/asm/bitops-grb.h b/arch/sh/include/asm/bitops-grb.h
index e73af33acbf4..75b5980399d4 100644
--- a/arch/sh/include/asm/bitops-grb.h
+++ b/arch/sh/include/asm/bitops-grb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BITOPS_GRB_H
 #define __ASM_SH_BITOPS_GRB_H
 
diff --git a/arch/sh/include/asm/bitops-llsc.h b/arch/sh/include/asm/bitops-llsc.h
index d8328be06191..47036845fc68 100644
--- a/arch/sh/include/asm/bitops-llsc.h
+++ b/arch/sh/include/asm/bitops-llsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BITOPS_LLSC_H
 #define __ASM_SH_BITOPS_LLSC_H
 
diff --git a/arch/sh/include/asm/bitops-op32.h b/arch/sh/include/asm/bitops-op32.h
index f0ae7e9218e0..466880362ad1 100644
--- a/arch/sh/include/asm/bitops-op32.h
+++ b/arch/sh/include/asm/bitops-op32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BITOPS_OP32_H
 #define __ASM_SH_BITOPS_OP32_H
 
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index a8699d60a8c4..8c3578288db5 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BITOPS_H
 #define __ASM_SH_BITOPS_H
 
diff --git a/arch/sh/include/asm/bl_bit.h b/arch/sh/include/asm/bl_bit.h
index 06e4163c6746..7e3d81691ad5 100644
--- a/arch/sh/include/asm/bl_bit.h
+++ b/arch/sh/include/asm/bl_bit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BL_BIT_H
 #define __ASM_SH_BL_BIT_H
 
diff --git a/arch/sh/include/asm/bl_bit_32.h b/arch/sh/include/asm/bl_bit_32.h
index fd21eee62149..1f7d225fc604 100644
--- a/arch/sh/include/asm/bl_bit_32.h
+++ b/arch/sh/include/asm/bl_bit_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BL_BIT_32_H
 #define __ASM_SH_BL_BIT_32_H
 
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index 5b5086367639..05a485c4fabc 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BUG_H
 #define __ASM_SH_BUG_H
 
diff --git a/arch/sh/include/asm/bugs.h b/arch/sh/include/asm/bugs.h
index 02a19a1c033a..030df56bfdb2 100644
--- a/arch/sh/include/asm/bugs.h
+++ b/arch/sh/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BUGS_H
 #define __ASM_SH_BUGS_H
 
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
index ef9e555aafba..2408ac4873aa 100644
--- a/arch/sh/include/asm/cache.h
+++ b/arch/sh/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
  *
  * include/asm-sh/cache.h
diff --git a/arch/sh/include/asm/cache_insns.h b/arch/sh/include/asm/cache_insns.h
index 355cb06b7a30..c5a4acdc53f9 100644
--- a/arch/sh/include/asm/cache_insns.h
+++ b/arch/sh/include/asm/cache_insns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CACHE_INSNS_H
 #define __ASM_SH_CACHE_INSNS_H
 
diff --git a/arch/sh/include/asm/cache_insns_32.h b/arch/sh/include/asm/cache_insns_32.h
index b92fe5416092..470880b972cb 100644
--- a/arch/sh/include/asm/cache_insns_32.h
+++ b/arch/sh/include/asm/cache_insns_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CACHE_INSNS_32_H
 #define __ASM_SH_CACHE_INSNS_32_H
 
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 82e1eabeac98..d103ab5a4e4b 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CACHEFLUSH_H
 #define __ASM_SH_CACHEFLUSH_H
 
diff --git a/arch/sh/include/asm/checksum.h b/arch/sh/include/asm/checksum.h
index 34ae26204524..a460a108969d 100644
--- a/arch/sh/include/asm/checksum.h
+++ b/arch/sh/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_SUPERH32
 # include <asm/checksum_32.h>
 #else
diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index 0390a07e7e3b..b65bc2908e8a 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CLOCK_H
 #define __ASM_SH_CLOCK_H
 
diff --git a/arch/sh/include/asm/cmpxchg-cas.h b/arch/sh/include/asm/cmpxchg-cas.h
index d0d86649e8c1..f508db6eaf31 100644
--- a/arch/sh/include/asm/cmpxchg-cas.h
+++ b/arch/sh/include/asm/cmpxchg-cas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CMPXCHG_CAS_H
 #define __ASM_SH_CMPXCHG_CAS_H
 
diff --git a/arch/sh/include/asm/cmpxchg-grb.h b/arch/sh/include/asm/cmpxchg-grb.h
index 2ed557b31bd9..e12279ea35cf 100644
--- a/arch/sh/include/asm/cmpxchg-grb.h
+++ b/arch/sh/include/asm/cmpxchg-grb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CMPXCHG_GRB_H
 #define __ASM_SH_CMPXCHG_GRB_H
 
diff --git a/arch/sh/include/asm/cmpxchg-irq.h b/arch/sh/include/asm/cmpxchg-irq.h
index f88877257171..07d3e7f08389 100644
--- a/arch/sh/include/asm/cmpxchg-irq.h
+++ b/arch/sh/include/asm/cmpxchg-irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CMPXCHG_IRQ_H
 #define __ASM_SH_CMPXCHG_IRQ_H
 
diff --git a/arch/sh/include/asm/cmpxchg-llsc.h b/arch/sh/include/asm/cmpxchg-llsc.h
index fcfd32271bff..d5270cd297c1 100644
--- a/arch/sh/include/asm/cmpxchg-llsc.h
+++ b/arch/sh/include/asm/cmpxchg-llsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CMPXCHG_LLSC_H
 #define __ASM_SH_CMPXCHG_LLSC_H
 
diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h
index 3dfe0467a773..e9501d85c278 100644
--- a/arch/sh/include/asm/cmpxchg.h
+++ b/arch/sh/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CMPXCHG_H
 #define __ASM_SH_CMPXCHG_H
 
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 9b06be07db4d..68c1536b3aab 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_DMA_MAPPING_H
 #define __ASM_SH_DMA_MAPPING_H
 
diff --git a/arch/sh/include/asm/dmabrg.h b/arch/sh/include/asm/dmabrg.h
index c5edba216cf1..69e119cfd711 100644
--- a/arch/sh/include/asm/dmabrg.h
+++ b/arch/sh/include/asm/dmabrg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SH7760 DMABRG (USB/Audio) support
  */
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index bf9f44f17c29..5ec8db1ddc20 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ELF_H
 #define __ASM_SH_ELF_H
 
diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S
index cc43a55e1fcf..5ce142d8c5a8 100644
--- a/arch/sh/include/asm/entry-macros.S
+++ b/arch/sh/include/asm/entry-macros.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 ! entry.S macro define
 	
 	.macro	cli
diff --git a/arch/sh/include/asm/extable.h b/arch/sh/include/asm/extable.h
index df2ee2fcb8d3..ed46f8bebb9f 100644
--- a/arch/sh/include/asm/extable.h
+++ b/arch/sh/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_EXTABLE_H
 #define __ASM_SH_EXTABLE_H
 
diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h
index 50921c7cc3f0..43cfaf929aa7 100644
--- a/arch/sh/include/asm/fpu.h
+++ b/arch/sh/include/asm/fpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FPU_H
 #define __ASM_SH_FPU_H
 
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index 1f157b86eaa7..b1c1dc0cc261 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FTRACE_H
 #define __ASM_SH_FTRACE_H
 
diff --git a/arch/sh/include/asm/futex-cas.h b/arch/sh/include/asm/futex-cas.h
index 267cb7a5f101..ed738e32b5ec 100644
--- a/arch/sh/include/asm/futex-cas.h
+++ b/arch/sh/include/asm/futex-cas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FUTEX_CAS_H
 #define __ASM_SH_FUTEX_CAS_H
 
diff --git a/arch/sh/include/asm/futex-irq.h b/arch/sh/include/asm/futex-irq.h
index ab01dbee0a82..9bc053242ea0 100644
--- a/arch/sh/include/asm/futex-irq.h
+++ b/arch/sh/include/asm/futex-irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FUTEX_IRQ_H
 #define __ASM_SH_FUTEX_IRQ_H
 
diff --git a/arch/sh/include/asm/futex-llsc.h b/arch/sh/include/asm/futex-llsc.h
index 23591703bec0..6e1570752bc1 100644
--- a/arch/sh/include/asm/futex-llsc.h
+++ b/arch/sh/include/asm/futex-llsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FUTEX_LLSC_H
 #define __ASM_SH_FUTEX_LLSC_H
 
diff --git a/arch/sh/include/asm/futex.h b/arch/sh/include/asm/futex.h
index 8f8cf941a8cd..15bf07bfa96b 100644
--- a/arch/sh/include/asm/futex.h
+++ b/arch/sh/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_FUTEX_H
 #define __ASM_SH_FUTEX_H
 
diff --git a/arch/sh/include/asm/hardirq.h b/arch/sh/include/asm/hardirq.h
index 48b191313a99..edaea3559a23 100644
--- a/arch/sh/include/asm/hardirq.h
+++ b/arch/sh/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HARDIRQ_H
 #define __ASM_SH_HARDIRQ_H
 
diff --git a/arch/sh/include/asm/hd64461.h b/arch/sh/include/asm/hd64461.h
index 977355f0a483..afb24cb034b1 100644
--- a/arch/sh/include/asm/hd64461.h
+++ b/arch/sh/include/asm/hd64461.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HD64461
 #define __ASM_SH_HD64461
 /*
diff --git a/arch/sh/include/asm/heartbeat.h b/arch/sh/include/asm/heartbeat.h
index caaafe5a3ef1..4028ca4058d1 100644
--- a/arch/sh/include/asm/heartbeat.h
+++ b/arch/sh/include/asm/heartbeat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HEARTBEAT_H
 #define __ASM_SH_HEARTBEAT_H
 
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index ef489a56fcce..735939c0f513 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SH_HUGETLB_H
 #define _ASM_SH_HUGETLB_H
 
diff --git a/arch/sh/include/asm/hw_breakpoint.h b/arch/sh/include/asm/hw_breakpoint.h
index ec9ad593c3da..7431c172c0cb 100644
--- a/arch/sh/include/asm/hw_breakpoint.h
+++ b/arch/sh/include/asm/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HW_BREAKPOINT_H
 #define __ASM_SH_HW_BREAKPOINT_H
 
diff --git a/arch/sh/include/asm/hw_irq.h b/arch/sh/include/asm/hw_irq.h
index 693d44184058..ce23e3332f9c 100644
--- a/arch/sh/include/asm/hw_irq.h
+++ b/arch/sh/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HW_IRQ_H
 #define __ASM_SH_HW_IRQ_H
 
diff --git a/arch/sh/include/asm/i2c-sh7760.h b/arch/sh/include/asm/i2c-sh7760.h
index 69fee1239b03..a777f1410a6e 100644
--- a/arch/sh/include/asm/i2c-sh7760.h
+++ b/arch/sh/include/asm/i2c-sh7760.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MMIO/IRQ and platform data for SH7760 I2C channels
  */
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 3280a6bfa503..98cb8c802b1a 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IO_H
 #define __ASM_SH_IO_H
 
diff --git a/arch/sh/include/asm/io_generic.h b/arch/sh/include/asm/io_generic.h
index b5f6956f19c8..87ec38f4e532 100644
--- a/arch/sh/include/asm/io_generic.h
+++ b/arch/sh/include/asm/io_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Trivial I/O routine definitions, intentionally meant to be included
  * multiple times. Ugly I/O routine concatenation helpers taken from
diff --git a/arch/sh/include/asm/io_noioport.h b/arch/sh/include/asm/io_noioport.h
index c727e6ddf69e..90d6109f1622 100644
--- a/arch/sh/include/asm/io_noioport.h
+++ b/arch/sh/include/asm/io_noioport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IO_NOIOPORT_H
 #define __ASM_SH_IO_NOIOPORT_H
 
diff --git a/arch/sh/include/asm/io_trapped.h b/arch/sh/include/asm/io_trapped.h
index 4ab94ef51071..ac01b201d9aa 100644
--- a/arch/sh/include/asm/io_trapped.h
+++ b/arch/sh/include/asm/io_trapped.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IO_TRAPPED_H
 #define __ASM_SH_IO_TRAPPED_H
 
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 0e4f532e4737..8065a3222e19 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IRQ_H
 #define __ASM_SH_IRQ_H
 
diff --git a/arch/sh/include/asm/irqflags.h b/arch/sh/include/asm/irqflags.h
index 43b7608606c3..25f6cfef3f04 100644
--- a/arch/sh/include/asm/irqflags.h
+++ b/arch/sh/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IRQFLAGS_H
 #define __ASM_SH_IRQFLAGS_H
 
diff --git a/arch/sh/include/asm/kdebug.h b/arch/sh/include/asm/kdebug.h
index 8d6a831e7ba1..5212f5fcd752 100644
--- a/arch/sh/include/asm/kdebug.h
+++ b/arch/sh/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_KDEBUG_H
 #define __ASM_SH_KDEBUG_H
 
diff --git a/arch/sh/include/asm/kexec.h b/arch/sh/include/asm/kexec.h
index ad6ef8a275ee..fd5f331a3912 100644
--- a/arch/sh/include/asm/kexec.h
+++ b/arch/sh/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_KEXEC_H
 #define __ASM_SH_KEXEC_H
 
diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h
index 9e7d2d1b03e0..0d5b840cb289 100644
--- a/arch/sh/include/asm/kgdb.h
+++ b/arch/sh/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_KGDB_H
 #define __ASM_SH_KGDB_H
 
diff --git a/arch/sh/include/asm/kmap_types.h b/arch/sh/include/asm/kmap_types.h
index 5962b08b6dd8..b78107f923dd 100644
--- a/arch/sh/include/asm/kmap_types.h
+++ b/arch/sh/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SH_KMAP_TYPES_H
 #define __SH_KMAP_TYPES_H
 
diff --git a/arch/sh/include/asm/kprobes.h b/arch/sh/include/asm/kprobes.h
index f0986f9b3844..85d8bcaa8493 100644
--- a/arch/sh/include/asm/kprobes.h
+++ b/arch/sh/include/asm/kprobes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_KPROBES_H
 #define __ASM_SH_KPROBES_H
 
diff --git a/arch/sh/include/asm/linkage.h b/arch/sh/include/asm/linkage.h
index 3565a4f4009f..7c2fa27a43f8 100644
--- a/arch/sh/include/asm/linkage.h
+++ b/arch/sh/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index 56e4418c19b9..172e329fd92d 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h
index eb6ac3c10c44..2d09650093c7 100644
--- a/arch/sh/include/asm/mmu_context.h
+++ b/arch/sh/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999 Niibe Yutaka
  * Copyright (C) 2003 - 2007 Paul Mundt
diff --git a/arch/sh/include/asm/mmu_context_32.h b/arch/sh/include/asm/mmu_context_32.h
index 10e2e17210d2..71bf12ef1f65 100644
--- a/arch/sh/include/asm/mmu_context_32.h
+++ b/arch/sh/include/asm/mmu_context_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_MMU_CONTEXT_32_H
 #define __ASM_SH_MMU_CONTEXT_32_H
 
diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h
index 15a8496960e6..cbaee1d1b673 100644
--- a/arch/sh/include/asm/mmzone.h
+++ b/arch/sh/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_MMZONE_H
 #define __ASM_SH_MMZONE_H
 
diff --git a/arch/sh/include/asm/module.h b/arch/sh/include/asm/module.h
index 81300d8b5448..9f38fb35fe96 100644
--- a/arch/sh/include/asm/module.h
+++ b/arch/sh/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SH_MODULE_H
 #define _ASM_SH_MODULE_H
 
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index ceb5201a30ed..5eef8be3e59f 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PAGE_H
 #define __ASM_SH_PAGE_H
 
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index 17fa69bc814d..53f7ae6abaa7 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PCI_H
 #define __ASM_SH_PCI_H
 
diff --git a/arch/sh/include/asm/perf_event.h b/arch/sh/include/asm/perf_event.h
index 14308bed7ea5..468c7ca8bd2e 100644
--- a/arch/sh/include/asm/perf_event.h
+++ b/arch/sh/include/asm/perf_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PERF_EVENT_H
 #define __ASM_SH_PERF_EVENT_H
 
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h
index f3f42c84c40f..ed053a359ab7 100644
--- a/arch/sh/include/asm/pgalloc.h
+++ b/arch/sh/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PGALLOC_H
 #define __ASM_SH_PGALLOC_H
 
diff --git a/arch/sh/include/asm/pgtable-2level.h b/arch/sh/include/asm/pgtable-2level.h
index f75cf4387257..bf1eb51c3ee5 100644
--- a/arch/sh/include/asm/pgtable-2level.h
+++ b/arch/sh/include/asm/pgtable-2level.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PGTABLE_2LEVEL_H
 #define __ASM_SH_PGTABLE_2LEVEL_H
 
diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h
index 9b1e776eca31..7d8587eb65ff 100644
--- a/arch/sh/include/asm/pgtable-3level.h
+++ b/arch/sh/include/asm/pgtable-3level.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PGTABLE_3LEVEL_H
 #define __ASM_SH_PGTABLE_3LEVEL_H
 
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index c646e563abce..29274f0e428e 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PGTABLE_32_H
 #define __ASM_SH_PGTABLE_32_H
 
diff --git a/arch/sh/include/asm/posix_types.h b/arch/sh/include/asm/posix_types.h
index 1aa781079b1e..0d670fd94fe7 100644
--- a/arch/sh/include/asm/posix_types.h
+++ b/arch/sh/include/asm/posix_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 # ifdef CONFIG_SUPERH32
 #  include <asm/posix_types_32.h>
 # else
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 5addd69f70ef..6fbf8c80e498 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PROCESSOR_H
 #define __ASM_SH_PROCESSOR_H
 
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 88ce1e22237b..95100d8a0b7b 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-sh/processor.h
  *
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 2506c7db76b7..9143c7babcbe 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999, 2000  Niibe Yutaka
  */
diff --git a/arch/sh/include/asm/ptrace_32.h b/arch/sh/include/asm/ptrace_32.h
index 1dd4480c5363..5f37ad7c6065 100644
--- a/arch/sh/include/asm/ptrace_32.h
+++ b/arch/sh/include/asm/ptrace_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PTRACE_32_H
 #define __ASM_SH_PTRACE_32_H
 
diff --git a/arch/sh/include/asm/ptrace_64.h b/arch/sh/include/asm/ptrace_64.h
index 97f4b5660f2c..6ee08229b433 100644
--- a/arch/sh/include/asm/ptrace_64.h
+++ b/arch/sh/include/asm/ptrace_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PTRACE_64_H
 #define __ASM_SH_PTRACE_64_H
 
diff --git a/arch/sh/include/asm/push-switch.h b/arch/sh/include/asm/push-switch.h
index 4903f9e52dd8..c5f072572fd1 100644
--- a/arch/sh/include/asm/push-switch.h
+++ b/arch/sh/include/asm/push-switch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_PUSH_SWITCH_H
 #define __ASM_SH_PUSH_SWITCH_H
 
diff --git a/arch/sh/include/asm/reboot.h b/arch/sh/include/asm/reboot.h
index b3da0c63fc3d..5c445c90df14 100644
--- a/arch/sh/include/asm/reboot.h
+++ b/arch/sh/include/asm/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_REBOOT_H
 #define __ASM_SH_REBOOT_H
 
diff --git a/arch/sh/include/asm/romimage-macros.h b/arch/sh/include/asm/romimage-macros.h
index ae17a150bb58..f9352ee7c21b 100644
--- a/arch/sh/include/asm/romimage-macros.h
+++ b/arch/sh/include/asm/romimage-macros.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ROMIMAGE_MACRO_H
 #define __ROMIMAGE_MACRO_H
 
diff --git a/arch/sh/include/asm/rtc.h b/arch/sh/include/asm/rtc.h
index f7b010d48af7..c63555ee1255 100644
--- a/arch/sh/include/asm/rtc.h
+++ b/arch/sh/include/asm/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_RTC_H
 #define _ASM_RTC_H
 
diff --git a/arch/sh/include/asm/seccomp.h b/arch/sh/include/asm/seccomp.h
index 3280ed3802ef..54111e4d32b8 100644
--- a/arch/sh/include/asm/seccomp.h
+++ b/arch/sh/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SECCOMP_H
 
 #include <linux/unistd.h>
diff --git a/arch/sh/include/asm/sections.h b/arch/sh/include/asm/sections.h
index 7a99e6af6372..8edb824049b9 100644
--- a/arch/sh/include/asm/sections.h
+++ b/arch/sh/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SECTIONS_H
 #define __ASM_SH_SECTIONS_H
 
diff --git a/arch/sh/include/asm/segment.h b/arch/sh/include/asm/segment.h
index ff795d3a6909..101c13c0c6ad 100644
--- a/arch/sh/include/asm/segment.h
+++ b/arch/sh/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SEGMENT_H
 #define __ASM_SH_SEGMENT_H
 
diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index 99238108e7a5..fc807011187f 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SH_SETUP_H
 #define _SH_SETUP_H
 
diff --git a/arch/sh/include/asm/sh7760fb.h b/arch/sh/include/asm/sh7760fb.h
index 8767f61aceca..2d9433d75402 100644
--- a/arch/sh/include/asm/sh7760fb.h
+++ b/arch/sh/include/asm/sh7760fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sh7760fb.h -- platform data for SH7760/SH7763 LCDC framebuffer driver.
  *
diff --git a/arch/sh/include/asm/sh_bios.h b/arch/sh/include/asm/sh_bios.h
index 95714c28422b..ab693b982442 100644
--- a/arch/sh/include/asm/sh_bios.h
+++ b/arch/sh/include/asm/sh_bios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_BIOS_H
 #define __ASM_SH_BIOS_H
 
diff --git a/arch/sh/include/asm/smc37c93x.h b/arch/sh/include/asm/smc37c93x.h
index 585da2a8fc45..f054c30a171a 100644
--- a/arch/sh/include/asm/smc37c93x.h
+++ b/arch/sh/include/asm/smc37c93x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SMC37C93X_H
 #define __ASM_SH_SMC37C93X_H
 
diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h
index c590f76856f1..e27702130eb6 100644
--- a/arch/sh/include/asm/smp-ops.h
+++ b/arch/sh/include/asm/smp-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SMP_OPS_H
 #define __ASM_SH_SMP_OPS_H
 
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index c9f8bbdb1bf8..1a0d7cf71c10 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SMP_H
 #define __ASM_SH_SMP_H
 
diff --git a/arch/sh/include/asm/sparsemem.h b/arch/sh/include/asm/sparsemem.h
index 547a540b6667..4eb899751e45 100644
--- a/arch/sh/include/asm/sparsemem.h
+++ b/arch/sh/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SPARSEMEM_H
 #define __ASM_SH_SPARSEMEM_H
 
diff --git a/arch/sh/include/asm/spi.h b/arch/sh/include/asm/spi.h
index e96f5b0953c8..6780753bd249 100644
--- a/arch/sh/include/asm/spi.h
+++ b/arch/sh/include/asm/spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPI_H__
 #define __ASM_SPI_H__
 
diff --git a/arch/sh/include/asm/spinlock_types.h b/arch/sh/include/asm/spinlock_types.h
index 9b7560db06ca..e82369f286a2 100644
--- a/arch/sh/include/asm/spinlock_types.h
+++ b/arch/sh/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SPINLOCK_TYPES_H
 #define __ASM_SH_SPINLOCK_TYPES_H
 
diff --git a/arch/sh/include/asm/sram.h b/arch/sh/include/asm/sram.h
index a2808ce4c0aa..c125cf219868 100644
--- a/arch/sh/include/asm/sram.h
+++ b/arch/sh/include/asm/sram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SRAM_H
 #define __ASM_SRAM_H
 
diff --git a/arch/sh/include/asm/stackprotector.h b/arch/sh/include/asm/stackprotector.h
index 141515a43b78..35616841d0a1 100644
--- a/arch/sh/include/asm/stackprotector.h
+++ b/arch/sh/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_STACKPROTECTOR_H
 #define __ASM_SH_STACKPROTECTOR_H
 
diff --git a/arch/sh/include/asm/stacktrace.h b/arch/sh/include/asm/stacktrace.h
index a7e2d4dfd087..50c173c0b9f5 100644
--- a/arch/sh/include/asm/stacktrace.h
+++ b/arch/sh/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2009  Matt Fleming
  *
diff --git a/arch/sh/include/asm/string.h b/arch/sh/include/asm/string.h
index 114011fa08af..84fc5ed9c5b3 100644
--- a/arch/sh/include/asm/string.h
+++ b/arch/sh/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_SUPERH32
 # include <asm/string_32.h>
 #else
diff --git a/arch/sh/include/asm/string_64.h b/arch/sh/include/asm/string_64.h
index 742007172624..d51d6150a4e2 100644
--- a/arch/sh/include/asm/string_64.h
+++ b/arch/sh/include/asm/string_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_STRING_64_H
 #define __ASM_SH_STRING_64_H
 
diff --git a/arch/sh/include/asm/suspend.h b/arch/sh/include/asm/suspend.h
index 70ae0b2888ab..47db17520261 100644
--- a/arch/sh/include/asm/suspend.h
+++ b/arch/sh/include/asm/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SH_SUSPEND_H
 #define _ASM_SH_SUSPEND_H
 
diff --git a/arch/sh/include/asm/switch_to_32.h b/arch/sh/include/asm/switch_to_32.h
index 7661b4ba8259..9c93fb91adb4 100644
--- a/arch/sh/include/asm/switch_to_32.h
+++ b/arch/sh/include/asm/switch_to_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SWITCH_TO_32_H
 #define __ASM_SH_SWITCH_TO_32_H
 
diff --git a/arch/sh/include/asm/syscall.h b/arch/sh/include/asm/syscall.h
index 847128da6eac..90ba00002626 100644
--- a/arch/sh/include/asm/syscall.h
+++ b/arch/sh/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALL_H
 #define __ASM_SH_SYSCALL_H
 
diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h
index 95be3b0ce0ac..6e118799831c 100644
--- a/arch/sh/include/asm/syscall_32.h
+++ b/arch/sh/include/asm/syscall_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALL_32_H
 #define __ASM_SH_SYSCALL_32_H
 
diff --git a/arch/sh/include/asm/syscall_64.h b/arch/sh/include/asm/syscall_64.h
index c6a797b90b80..43882580c7f9 100644
--- a/arch/sh/include/asm/syscall_64.h
+++ b/arch/sh/include/asm/syscall_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALL_64_H
 #define __ASM_SH_SYSCALL_64_H
 
diff --git a/arch/sh/include/asm/syscalls.h b/arch/sh/include/asm/syscalls.h
index 3dbfef06f6b2..995ef046232c 100644
--- a/arch/sh/include/asm/syscalls.h
+++ b/arch/sh/include/asm/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALLS_H
 #define __ASM_SH_SYSCALLS_H
 
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index 4f643aa718e3..9f9faf63b48c 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALLS_32_H
 #define __ASM_SH_SYSCALLS_32_H
 
diff --git a/arch/sh/include/asm/syscalls_64.h b/arch/sh/include/asm/syscalls_64.h
index d62e8eb22f74..df42656cebea 100644
--- a/arch/sh/include/asm/syscalls_64.h
+++ b/arch/sh/include/asm/syscalls_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SYSCALLS_64_H
 #define __ASM_SH_SYSCALLS_64_H
 
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 6c65dcd470ab..becb798f1b04 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_THREAD_INFO_H
 #define __ASM_SH_THREAD_INFO_H
 
diff --git a/arch/sh/include/asm/timex.h b/arch/sh/include/asm/timex.h
index 18bf06d9c764..f53f95bf4288 100644
--- a/arch/sh/include/asm/timex.h
+++ b/arch/sh/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-sh/timex.h
  *
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index 51a8bc967e75..77abe192fb43 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_TLB_H
 #define __ASM_SH_TLB_H
 
diff --git a/arch/sh/include/asm/tlbflush.h b/arch/sh/include/asm/tlbflush.h
index 0df66f0c7284..8f180cd3bcd6 100644
--- a/arch/sh/include/asm/tlbflush.h
+++ b/arch/sh/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_TLBFLUSH_H
 #define __ASM_SH_TLBFLUSH_H
 
diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h
index 358e3f516ef6..9a32eb4098df 100644
--- a/arch/sh/include/asm/topology.h
+++ b/arch/sh/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SH_TOPOLOGY_H
 #define _ASM_SH_TOPOLOGY_H
 
diff --git a/arch/sh/include/asm/traps.h b/arch/sh/include/asm/traps.h
index 9cc149a0dbd1..8844ed0c0fde 100644
--- a/arch/sh/include/asm/traps.h
+++ b/arch/sh/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_TRAPS_H
 #define __ASM_SH_TRAPS_H
 
diff --git a/arch/sh/include/asm/traps_32.h b/arch/sh/include/asm/traps_32.h
index 17e129fe459c..8c5bbb7b6053 100644
--- a/arch/sh/include/asm/traps_32.h
+++ b/arch/sh/include/asm/traps_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_TRAPS_32_H
 #define __ASM_SH_TRAPS_32_H
 
diff --git a/arch/sh/include/asm/types.h b/arch/sh/include/asm/types.h
index 6a31053fa5e3..df96c511bb6e 100644
--- a/arch/sh/include/asm/types.h
+++ b/arch/sh/include/asm/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_TYPES_H
 #define __ASM_SH_TYPES_H
 
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 211b44920dbe..32eb56e00c11 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_UACCESS_H
 #define __ASM_SH_UACCESS_H
 
diff --git a/arch/sh/include/asm/uaccess_32.h b/arch/sh/include/asm/uaccess_32.h
index c0de7ee35ab7..624cf55acc27 100644
--- a/arch/sh/include/asm/uaccess_32.h
+++ b/arch/sh/include/asm/uaccess_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * User space memory access functions
  *
diff --git a/arch/sh/include/asm/unaligned-sh4a.h b/arch/sh/include/asm/unaligned-sh4a.h
index 95adc500cabc..d311f00ed530 100644
--- a/arch/sh/include/asm/unaligned-sh4a.h
+++ b/arch/sh/include/asm/unaligned-sh4a.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_UNALIGNED_SH4A_H
 #define __ASM_SH_UNALIGNED_SH4A_H
 
diff --git a/arch/sh/include/asm/unaligned.h b/arch/sh/include/asm/unaligned.h
index 7d14e0669961..0c92e2c73af4 100644
--- a/arch/sh/include/asm/unaligned.h
+++ b/arch/sh/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SH_UNALIGNED_H
 #define _ASM_SH_UNALIGNED_H
 
diff --git a/arch/sh/include/asm/uncached.h b/arch/sh/include/asm/uncached.h
index 6f8816b79cf1..e7f68ec61014 100644
--- a/arch/sh/include/asm/uncached.h
+++ b/arch/sh/include/asm/uncached.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_UNCACHED_H
 #define __ASM_SH_UNCACHED_H
 
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index 126fe8340b22..b36200af9ce7 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 # ifdef CONFIG_SUPERH32
 #  include <asm/unistd_32.h>
 # else
diff --git a/arch/sh/include/asm/unwinder.h b/arch/sh/include/asm/unwinder.h
index 1e65c07b3e18..ce82c96c7899 100644
--- a/arch/sh/include/asm/unwinder.h
+++ b/arch/sh/include/asm/unwinder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNWINDER_H
 #define _LINUX_UNWINDER_H
 
diff --git a/arch/sh/include/asm/user.h b/arch/sh/include/asm/user.h
index 8fd3cf6c58d4..e97f2efed527 100644
--- a/arch/sh/include/asm/user.h
+++ b/arch/sh/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_USER_H
 #define __ASM_SH_USER_H
 
diff --git a/arch/sh/include/asm/vmlinux.lds.h b/arch/sh/include/asm/vmlinux.lds.h
index d58ad493b3a6..f312813f39d8 100644
--- a/arch/sh/include/asm/vmlinux.lds.h
+++ b/arch/sh/include/asm/vmlinux.lds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_VMLINUX_LDS_H
 #define __ASM_SH_VMLINUX_LDS_H
 
diff --git a/arch/sh/include/asm/word-at-a-time.h b/arch/sh/include/asm/word-at-a-time.h
index 6e38953ff7fd..4aa398455b94 100644
--- a/arch/sh/include/asm/word-at-a-time.h
+++ b/arch/sh/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_WORD_AT_A_TIME_H
 #define __ASM_SH_WORD_AT_A_TIME_H
 
diff --git a/arch/sh/include/cpu-common/cpu/rtc.h b/arch/sh/include/cpu-common/cpu/rtc.h
index 39e2d6e94782..5fe726acd9f8 100644
--- a/arch/sh/include/cpu-common/cpu/rtc.h
+++ b/arch/sh/include/cpu-common/cpu/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH2_RTC_H
 #define __ASM_SH_CPU_SH2_RTC_H
 
diff --git a/arch/sh/include/cpu-common/cpu/sigcontext.h b/arch/sh/include/cpu-common/cpu/sigcontext.h
index fe5c15dd6e87..e005dd176ff2 100644
--- a/arch/sh/include/cpu-common/cpu/sigcontext.h
+++ b/arch/sh/include/cpu-common/cpu/sigcontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH2_SIGCONTEXT_H
 #define __ASM_CPU_SH2_SIGCONTEXT_H
 
diff --git a/arch/sh/include/cpu-sh2a/cpu/addrspace.h b/arch/sh/include/cpu-sh2a/cpu/addrspace.h
index 31eb4b58aa6d..3afa46c09fb5 100644
--- a/arch/sh/include/cpu-sh2a/cpu/addrspace.h
+++ b/arch/sh/include/cpu-sh2a/cpu/addrspace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH2A_ADDRSPACE_H
 #define __ASM_SH_CPU_SH2A_ADDRSPACE_H
 
diff --git a/arch/sh/include/cpu-sh2a/cpu/rtc.h b/arch/sh/include/cpu-sh2a/cpu/rtc.h
index afb511e2bed7..6b6c7ee752de 100644
--- a/arch/sh/include/cpu-sh2a/cpu/rtc.h
+++ b/arch/sh/include/cpu-sh2a/cpu/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH2A_RTC_H
 #define __ASM_SH_CPU_SH2A_RTC_H
 
diff --git a/arch/sh/include/cpu-sh2a/cpu/sh7203.h b/arch/sh/include/cpu-sh2a/cpu/sh7203.h
index 79f93159018d..f250adfa46c6 100644
--- a/arch/sh/include/cpu-sh2a/cpu/sh7203.h
+++ b/arch/sh/include/cpu-sh2a/cpu/sh7203.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7203_H__
 #define __ASM_SH7203_H__
 
diff --git a/arch/sh/include/cpu-sh2a/cpu/sh7264.h b/arch/sh/include/cpu-sh2a/cpu/sh7264.h
index 2ae0e938b657..d12c19186845 100644
--- a/arch/sh/include/cpu-sh2a/cpu/sh7264.h
+++ b/arch/sh/include/cpu-sh2a/cpu/sh7264.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7264_H__
 #define __ASM_SH7264_H__
 
diff --git a/arch/sh/include/cpu-sh2a/cpu/sh7269.h b/arch/sh/include/cpu-sh2a/cpu/sh7269.h
index 13c495a9fc00..d516e5d48818 100644
--- a/arch/sh/include/cpu-sh2a/cpu/sh7269.h
+++ b/arch/sh/include/cpu-sh2a/cpu/sh7269.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7269_H__
 #define __ASM_SH7269_H__
 
diff --git a/arch/sh/include/cpu-sh3/cpu/adc.h b/arch/sh/include/cpu-sh3/cpu/adc.h
index b289e3ca19a6..2ee206c9bf1a 100644
--- a/arch/sh/include/cpu-sh3/cpu/adc.h
+++ b/arch/sh/include/cpu-sh3/cpu/adc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH3_ADC_H
 #define __ASM_CPU_SH3_ADC_H
 
diff --git a/arch/sh/include/cpu-sh3/cpu/dac.h b/arch/sh/include/cpu-sh3/cpu/dac.h
index 98f1d15f0ab5..fd02331608a8 100644
--- a/arch/sh/include/cpu-sh3/cpu/dac.h
+++ b/arch/sh/include/cpu-sh3/cpu/dac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH3_DAC_H
 #define __ASM_CPU_SH3_DAC_H
 
diff --git a/arch/sh/include/cpu-sh3/cpu/dma.h b/arch/sh/include/cpu-sh3/cpu/dma.h
index bccb4144a5e3..cd139681af4b 100644
--- a/arch/sh/include/cpu-sh3/cpu/dma.h
+++ b/arch/sh/include/cpu-sh3/cpu/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH3_DMA_H
 #define __ASM_CPU_SH3_DMA_H
 
diff --git a/arch/sh/include/cpu-sh3/cpu/serial.h b/arch/sh/include/cpu-sh3/cpu/serial.h
index 7766329bc103..7b2ce6e3003e 100644
--- a/arch/sh/include/cpu-sh3/cpu/serial.h
+++ b/arch/sh/include/cpu-sh3/cpu/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPU_SH3_SERIAL_H
 #define __CPU_SH3_SERIAL_H
 
diff --git a/arch/sh/include/cpu-sh3/cpu/sh7720.h b/arch/sh/include/cpu-sh3/cpu/sh7720.h
index 41c1406d6da2..449790c9eb77 100644
--- a/arch/sh/include/cpu-sh3/cpu/sh7720.h
+++ b/arch/sh/include/cpu-sh3/cpu/sh7720.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7720_H__
 #define __ASM_SH7720_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h
index a520eb219621..38187d06b234 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH4_DMA_H
 #define __ASM_CPU_SH4_DMA_H
 
diff --git a/arch/sh/include/cpu-sh4/cpu/rtc.h b/arch/sh/include/cpu-sh4/cpu/rtc.h
index 95e6fb76c24d..45647566940f 100644
--- a/arch/sh/include/cpu-sh4/cpu/rtc.h
+++ b/arch/sh/include/cpu-sh4/cpu/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH4_RTC_H
 #define __ASM_SH_CPU_SH4_RTC_H
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h
index 78961ab78a5a..2306c79f4b5e 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7722.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7722.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7722_H__
 #define __ASM_SH7722_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7723.h b/arch/sh/include/cpu-sh4/cpu/sh7723.h
index 668da89bdac4..41f675307503 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7723.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7723.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7723_H__
 #define __ASM_SH7723_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 38859f96d4e5..b3a7caf54c9d 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7724_H__
 #define __ASM_SH7724_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7734.h b/arch/sh/include/cpu-sh4/cpu/sh7734.h
index 2fb9a7b71b41..96f0246ad2f2 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7734.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7734.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7734_H__
 #define __ASM_SH7734_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h
index b40fb541e72a..6781d41b7467 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7757.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7757_H__
 #define __ASM_SH7757_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7785.h b/arch/sh/include/cpu-sh4/cpu/sh7785.h
index 9dc9d91e0a8e..37f42071e7d3 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7785.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7785.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH7785_H__
 #define __ASM_SH7785_H__
 
diff --git a/arch/sh/include/cpu-sh4/cpu/shx3.h b/arch/sh/include/cpu-sh4/cpu/shx3.h
index 68d9080a8da9..f356810b0bea 100644
--- a/arch/sh/include/cpu-sh4/cpu/shx3.h
+++ b/arch/sh/include/cpu-sh4/cpu/shx3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPU_SHX3_H
 #define __CPU_SHX3_H
 
diff --git a/arch/sh/include/cpu-sh4/cpu/sigcontext.h b/arch/sh/include/cpu-sh4/cpu/sigcontext.h
index ab392f120e06..2cc5f55dcadd 100644
--- a/arch/sh/include/cpu-sh4/cpu/sigcontext.h
+++ b/arch/sh/include/cpu-sh4/cpu/sigcontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_SH4_SIGCONTEXT_H
 #define __ASM_CPU_SH4_SIGCONTEXT_H
 
diff --git a/arch/sh/include/cpu-sh4a/cpu/dma.h b/arch/sh/include/cpu-sh4a/cpu/dma.h
index 8ceccceae844..bdbbba8a784a 100644
--- a/arch/sh/include/cpu-sh4a/cpu/dma.h
+++ b/arch/sh/include/cpu-sh4a/cpu/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H
 #define __ASM_SH_CPU_SH4_DMA_SH7780_H
 
diff --git a/arch/sh/include/cpu-sh4a/cpu/serial.h b/arch/sh/include/cpu-sh4a/cpu/serial.h
index ff1bc275d210..fc206c0bf6fb 100644
--- a/arch/sh/include/cpu-sh4a/cpu/serial.h
+++ b/arch/sh/include/cpu-sh4a/cpu/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPU_SH4A_SERIAL_H
 #define __CPU_SH4A_SERIAL_H
 
diff --git a/arch/sh/include/cpu-sh5/cpu/addrspace.h b/arch/sh/include/cpu-sh5/cpu/addrspace.h
index dc36b9a03af6..6dd1e72f31b2 100644
--- a/arch/sh/include/cpu-sh5/cpu/addrspace.h
+++ b/arch/sh/include/cpu-sh5/cpu/addrspace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH5_ADDRSPACE_H
 #define __ASM_SH_CPU_SH5_ADDRSPACE_H
 
diff --git a/arch/sh/include/cpu-sh5/cpu/mmu_context.h b/arch/sh/include/cpu-sh5/cpu/mmu_context.h
index 68a1d2cff457..23c53be945b7 100644
--- a/arch/sh/include/cpu-sh5/cpu/mmu_context.h
+++ b/arch/sh/include/cpu-sh5/cpu/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH5_MMU_CONTEXT_H
 #define __ASM_SH_CPU_SH5_MMU_CONTEXT_H
 
diff --git a/arch/sh/include/cpu-sh5/cpu/rtc.h b/arch/sh/include/cpu-sh5/cpu/rtc.h
index 12ea0ed144e1..d7e25d435f4a 100644
--- a/arch/sh/include/cpu-sh5/cpu/rtc.h
+++ b/arch/sh/include/cpu-sh5/cpu/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_CPU_SH5_RTC_H
 #define __ASM_SH_CPU_SH5_RTC_H
 
diff --git a/arch/sh/include/mach-common/mach/highlander.h b/arch/sh/include/mach-common/mach/highlander.h
index 6ce944e33e59..66d3e40fd046 100644
--- a/arch/sh/include/mach-common/mach/highlander.h
+++ b/arch/sh/include/mach-common/mach/highlander.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_RENESAS_R7780RP_H
 #define __ASM_SH_RENESAS_R7780RP_H
 
diff --git a/arch/sh/include/mach-common/mach/r2d.h b/arch/sh/include/mach-common/mach/r2d.h
index e04f75eaa153..0d7e483c7d3f 100644
--- a/arch/sh/include/mach-common/mach/r2d.h
+++ b/arch/sh/include/mach-common/mach/r2d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_RENESAS_RTS7751R2D_H
 #define __ASM_SH_RENESAS_RTS7751R2D_H
 
diff --git a/arch/sh/include/mach-common/mach/romimage.h b/arch/sh/include/mach-common/mach/romimage.h
index 3670455faaac..1915714263aa 100644
--- a/arch/sh/include/mach-common/mach/romimage.h
+++ b/arch/sh/include/mach-common/mach/romimage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __ASSEMBLY__
 
 /* do nothing here by default */
diff --git a/arch/sh/include/mach-common/mach/sh2007.h b/arch/sh/include/mach-common/mach/sh2007.h
index 48180b9aa03d..eeb12901a44a 100644
--- a/arch/sh/include/mach-common/mach/sh2007.h
+++ b/arch/sh/include/mach-common/mach/sh2007.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SH2007_H
 #define __MACH_SH2007_H
 
diff --git a/arch/sh/include/mach-common/mach/sh7785lcr.h b/arch/sh/include/mach-common/mach/sh7785lcr.h
index 1292ae5c21b3..0f3dc3a1329e 100644
--- a/arch/sh/include/mach-common/mach/sh7785lcr.h
+++ b/arch/sh/include/mach-common/mach/sh7785lcr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_RENESAS_SH7785LCR_H
 #define __ASM_SH_RENESAS_SH7785LCR_H
 
diff --git a/arch/sh/include/mach-common/mach/shmin.h b/arch/sh/include/mach-common/mach/shmin.h
index 36ba138a81fb..c2c3e26d1453 100644
--- a/arch/sh/include/mach-common/mach/shmin.h
+++ b/arch/sh/include/mach-common/mach/shmin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SHMIN_H
 #define __ASM_SH_SHMIN_H
 
diff --git a/arch/sh/include/mach-common/mach/titan.h b/arch/sh/include/mach-common/mach/titan.h
index fa3cd801cf2e..54df351de5e4 100644
--- a/arch/sh/include/mach-common/mach/titan.h
+++ b/arch/sh/include/mach-common/mach/titan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Platform definitions for Titan
  */
diff --git a/arch/sh/include/mach-common/mach/urquell.h b/arch/sh/include/mach-common/mach/urquell.h
index 14b3e1d01777..6c9bff3f93f1 100644
--- a/arch/sh/include/mach-common/mach/urquell.h
+++ b/arch/sh/include/mach-common/mach/urquell.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_URQUELL_H
 #define __MACH_URQUELL_H
 
diff --git a/arch/sh/include/mach-dreamcast/mach/maple.h b/arch/sh/include/mach-dreamcast/mach/maple.h
index 51f6a87f1f11..169bdf415d89 100644
--- a/arch/sh/include/mach-dreamcast/mach/maple.h
+++ b/arch/sh/include/mach-dreamcast/mach/maple.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MAPLE_H
 #define __ASM_MAPLE_H
 
diff --git a/arch/sh/include/mach-ecovec24/mach/romimage.h b/arch/sh/include/mach-ecovec24/mach/romimage.h
index 60f3e8af05fa..2da6ff326cbd 100644
--- a/arch/sh/include/mach-ecovec24/mach/romimage.h
+++ b/arch/sh/include/mach-ecovec24/mach/romimage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __ASSEMBLY__
 
 /* EcoVec board specific boot code:
diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
index 79f154e5cb9c..0e97473afe0b 100644
--- a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
+++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_KFR2R09_H
 #define __ASM_SH_KFR2R09_H
 
diff --git a/arch/sh/include/mach-kfr2r09/mach/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
index 1afae21ced5f..209275872ff0 100644
--- a/arch/sh/include/mach-kfr2r09/mach/romimage.h
+++ b/arch/sh/include/mach-kfr2r09/mach/romimage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __ASSEMBLY__
 
 /* kfr2r09 board specific boot code:
diff --git a/arch/sh/include/mach-landisk/mach/gio.h b/arch/sh/include/mach-landisk/mach/gio.h
index 35d7368b718a..b954de617b49 100644
--- a/arch/sh/include/mach-landisk/mach/gio.h
+++ b/arch/sh/include/mach-landisk/mach/gio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_LANDISK_GIO_H
 #define __ASM_SH_LANDISK_GIO_H
 
diff --git a/arch/sh/include/mach-landisk/mach/iodata_landisk.h b/arch/sh/include/mach-landisk/mach/iodata_landisk.h
index ceeea48cc7af..b41308c94d1e 100644
--- a/arch/sh/include/mach-landisk/mach/iodata_landisk.h
+++ b/arch/sh/include/mach-landisk/mach/iodata_landisk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_IODATA_LANDISK_H
 #define __ASM_SH_IODATA_LANDISK_H
 
diff --git a/arch/sh/include/mach-migor/mach/migor.h b/arch/sh/include/mach-migor/mach/migor.h
index 7de7bb74c290..2a422b778e00 100644
--- a/arch/sh/include/mach-migor/mach/migor.h
+++ b/arch/sh/include/mach-migor/mach/migor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_MIGOR_H
 #define __ASM_SH_MIGOR_H
 
diff --git a/arch/sh/include/mach-sdk7786/mach/fpga.h b/arch/sh/include/mach-sdk7786/mach/fpga.h
index a9cdac469927..76c2e84893cc 100644
--- a/arch/sh/include/mach-sdk7786/mach/fpga.h
+++ b/arch/sh/include/mach-sdk7786/mach/fpga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SDK7786_FPGA_H
 #define __MACH_SDK7786_FPGA_H
 
diff --git a/arch/sh/include/mach-sdk7786/mach/irq.h b/arch/sh/include/mach-sdk7786/mach/irq.h
index 0f584635e6e5..3343380907b2 100644
--- a/arch/sh/include/mach-sdk7786/mach/irq.h
+++ b/arch/sh/include/mach-sdk7786/mach/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SDK7786_IRQ_H
 #define __MACH_SDK7786_IRQ_H
 
diff --git a/arch/sh/include/mach-se/mach/mrshpc.h b/arch/sh/include/mach-se/mach/mrshpc.h
index 56287ee8563a..4e260f399b79 100644
--- a/arch/sh/include/mach-se/mach/mrshpc.h
+++ b/arch/sh/include/mach-se/mach/mrshpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SE_MRSHPC_H
 #define __MACH_SE_MRSHPC_H
 
diff --git a/arch/sh/include/mach-se/mach/se.h b/arch/sh/include/mach-se/mach/se.h
index 8a6d44b4987b..4246ef9b07a3 100644
--- a/arch/sh/include/mach-se/mach/se.h
+++ b/arch/sh/include/mach-se/mach/se.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HITACHI_SE_H
 #define __ASM_SH_HITACHI_SE_H
 
diff --git a/arch/sh/include/mach-se/mach/se7206.h b/arch/sh/include/mach-se/mach/se7206.h
index 698eb80389ab..cf190279bb1d 100644
--- a/arch/sh/include/mach-se/mach/se7206.h
+++ b/arch/sh/include/mach-se/mach/se7206.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SE7206_H
 #define __ASM_SH_SE7206_H
 
diff --git a/arch/sh/include/mach-se/mach/se7343.h b/arch/sh/include/mach-se/mach/se7343.h
index 542521c970c6..107fb5f3ef80 100644
--- a/arch/sh/include/mach-se/mach/se7343.h
+++ b/arch/sh/include/mach-se/mach/se7343.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HITACHI_SE7343_H
 #define __ASM_SH_HITACHI_SE7343_H
 
diff --git a/arch/sh/include/mach-se/mach/se7751.h b/arch/sh/include/mach-se/mach/se7751.h
index 271871793d59..ee5b5e6e5979 100644
--- a/arch/sh/include/mach-se/mach/se7751.h
+++ b/arch/sh/include/mach-se/mach/se7751.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_HITACHI_7751SE_H
 #define __ASM_SH_HITACHI_7751SE_H
 
diff --git a/arch/sh/include/mach-sh03/mach/io.h b/arch/sh/include/mach-sh03/mach/io.h
index c39c785bba94..5eacdabd71b6 100644
--- a/arch/sh/include/mach-sh03/mach/io.h
+++ b/arch/sh/include/mach-sh03/mach/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm-sh/sh03/io.h
  *
diff --git a/arch/sh/include/mach-sh03/mach/sh03.h b/arch/sh/include/mach-sh03/mach/sh03.h
index 19c40b80428d..4ced684b16a4 100644
--- a/arch/sh/include/mach-sh03/mach/sh03.h
+++ b/arch/sh/include/mach-sh03/mach/sh03.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_SH03_H
 #define __ASM_SH_SH03_H
 
diff --git a/arch/sh/include/mach-x3proto/mach/hardware.h b/arch/sh/include/mach-x3proto/mach/hardware.h
index 52bca57bfeb6..57ea4a5cca35 100644
--- a/arch/sh/include/mach-x3proto/mach/hardware.h
+++ b/arch/sh/include/mach-x3proto/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_X3PROTO_HARDWARE_H
 #define __MACH_X3PROTO_HARDWARE_H
 
diff --git a/arch/sh/include/mach-x3proto/mach/ilsel.h b/arch/sh/include/mach-x3proto/mach/ilsel.h
index e3d304b280f6..47aeb4b55ea1 100644
--- a/arch/sh/include/mach-x3proto/mach/ilsel.h
+++ b/arch/sh/include/mach-x3proto/mach/ilsel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ILSEL_H
 #define __ASM_SH_ILSEL_H
 
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 09040fd07d2e..dc80041f7363 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH kernel.
 #
diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c
index 4bd44da910f3..a0322e832845 100644
--- a/arch/sh/kernel/asm-offsets.c
+++ b/arch/sh/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This program is used to generate definitions needed by
  * assembly language modules.
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 252e9fee687f..f7c22ea98b0f 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH CPU-specific backends.
 #
diff --git a/arch/sh/kernel/cpu/adc.c b/arch/sh/kernel/cpu/adc.c
index d307571d54b6..509136715ed5 100644
--- a/arch/sh/kernel/cpu/adc.c
+++ b/arch/sh/kernel/cpu/adc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/kernel/adc.c -- SH3 on-chip ADC support
  *
diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c
index 786c0769b4c3..5b75a384cbf3 100644
--- a/arch/sh/kernel/cpu/clock-cpg.c
+++ b/arch/sh/kernel/cpu/clock-cpg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clk.h>
 #include <linux/compiler.h>
 #include <linux/slab.h>
diff --git a/arch/sh/kernel/cpu/fpu.c b/arch/sh/kernel/cpu/fpu.c
index 547c73478459..ae354a2931e7 100644
--- a/arch/sh/kernel/cpu/fpu.c
+++ b/arch/sh/kernel/cpu/fpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched/signal.h>
 #include <linux/sched/task.h>
 #include <linux/sched/task_stack.h>
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index e7f1745bd121..572585c3f2fd 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/irq/imask.c
  *
diff --git a/arch/sh/kernel/cpu/proc.c b/arch/sh/kernel/cpu/proc.c
index 4df4b284f591..85961b4f9c69 100644
--- a/arch/sh/kernel/cpu/proc.c
+++ b/arch/sh/kernel/cpu/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/seq_file.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
index 990195d98456..2a7515b658fd 100644
--- a/arch/sh/kernel/cpu/sh2a/Makefile
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-2A backends.
 #
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index d3634ae7b71a..1dcb43d93c86 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-3 backends.
 #
diff --git a/arch/sh/kernel/cpu/sh3/serial-sh770x.c b/arch/sh/kernel/cpu/sh3/serial-sh770x.c
index 4f7242c676b3..dec027f233f2 100644
--- a/arch/sh/kernel/cpu/sh3/serial-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/serial-sh770x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/serial_sci.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/cpu/sh3/serial-sh7710.c b/arch/sh/kernel/cpu/sh3/serial-sh7710.c
index 42190ef6aebf..ee04052e5bdd 100644
--- a/arch/sh/kernel/cpu/sh3/serial-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/serial-sh7710.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/serial_sci.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/cpu/sh3/serial-sh7720.c b/arch/sh/kernel/cpu/sh3/serial-sh7720.c
index c4a0336660dd..75aaea49de43 100644
--- a/arch/sh/kernel/cpu/sh3/serial-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/serial-sh7720.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/serial_sci.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 3a1dbc709831..00c16331e07e 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-4 backends.
 #
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 0705df775208..baf73a8fc2a0 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-4 backends.
 #
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
index 271bbc864929..0dd5312f930b 100644
--- a/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/arch/sh/kernel/cpu/sh4a/serial-sh7722.c b/arch/sh/kernel/cpu/sh4a/serial-sh7722.c
index 59bc3a72702e..6ecc8b6e133c 100644
--- a/arch/sh/kernel/cpu/sh4a/serial-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/serial-sh7722.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/serial_sci.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/cpu/sh5/Makefile b/arch/sh/kernel/cpu/sh5/Makefile
index a184a31e686e..97d23ec3005f 100644
--- a/arch/sh/kernel/cpu/sh5/Makefile
+++ b/arch/sh/kernel/cpu/sh5/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-5 backends.
 #
diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c
index b33be505361e..a9086127b16d 100644
--- a/arch/sh/kernel/crash_dump.c
+++ b/arch/sh/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	crash_dump.c - Memory preserving reboot related code.
  *
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index d18724d186f3..96dd9f7da250 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2008 Matt Fleming <matt@console-pimps.org>
  * Copyright (C) 2008 Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 04487e8fc9b1..245dbeb20afe 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/kernel/irq.c
  *
diff --git a/arch/sh/kernel/kdebugfs.c b/arch/sh/kernel/kdebugfs.c
index e11c30bb100c..95428e05d212 100644
--- a/arch/sh/kernel/kdebugfs.c
+++ b/arch/sh/kernel/kdebugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/debugfs.h>
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index f8a695a223dd..b2d9963d5978 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c
index 0a05983633ca..bfc59f2c2602 100644
--- a/arch/sh/kernel/ptrace.c
+++ b/arch/sh/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ptrace.h>
 
 /**
diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c
index 04afe5b20663..11001a8a5fe0 100644
--- a/arch/sh/kernel/reboot.c
+++ b/arch/sh/kernel/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pm.h>
 #include <linux/kexec.h>
 #include <linux/kernel.h>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 3a44c753b642..b95c411d0333 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/setup.c
  *
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 0b30b9dfc87f..282774472603 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/string.h>
 #include <linux/uaccess.h>
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 08bce11badc6..c46c0020ff55 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/sh/kernel/signal.c
  *
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 6576e5ee1fc3..724911c59e7d 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/kernel/sys_sh.c
  *
diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c
index a2e1231a90a3..f8dc8bfd4606 100644
--- a/arch/sh/kernel/sys_sh32.c
+++ b/arch/sh/kernel/sys_sh32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/sched/task_stack.h>
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index b32d1c3a4655..8b49cced663d 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/io.h>
 #include <linux/types.h>
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 5b9a3cc90c58..77a59d8c6b4d 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ld script to make SuperH Linux kernel
  * Written by Niibe Yutaka and Paul Mundt
diff --git a/arch/sh/kernel/vsyscall/Makefile b/arch/sh/kernel/vsyscall/Makefile
index 6ab108f1a0c6..5db6579bc44c 100644
--- a/arch/sh/kernel/vsyscall/Makefile
+++ b/arch/sh/kernel/vsyscall/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += vsyscall.o vsyscall-syscall.o vsyscall-syms.o
 
 $(obj)/vsyscall-syscall.o: \
diff --git a/arch/sh/kernel/vsyscall/vsyscall-note.S b/arch/sh/kernel/vsyscall/vsyscall-note.S
index d4b5be4f3d5f..bb350918bebd 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-note.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-note.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
  * Here we can supply some information useful to userland.
diff --git a/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S
index 23af17584054..bece5fa73618 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/unistd.h>
 
 	.text
diff --git a/arch/sh/kernel/vsyscall/vsyscall-syscall.S b/arch/sh/kernel/vsyscall/vsyscall-syscall.S
index c2ac7f0282b3..2aeaa2ddee50 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-syscall.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-syscall.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 
 __INITDATA
diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
index 0eb74d00690a..854ea3235704 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-trapa.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.text
 	.globl __kernel_vsyscall
 	.type __kernel_vsyscall,@function
diff --git a/arch/sh/kernel/vsyscall/vsyscall.lds.S b/arch/sh/kernel/vsyscall/vsyscall.lds.S
index 6d59ee7c23dd..e3582e03c0eb 100644
--- a/arch/sh/kernel/vsyscall/vsyscall.lds.S
+++ b/arch/sh/kernel/vsyscall/vsyscall.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for vsyscall DSO.  The vsyscall page is an ELF shared
  * object prelinked to its virtual address, and with only one read-only
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 3baff31e58cf..d0abbe5e38b0 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for SuperH-specific library files..
 #
diff --git a/arch/sh/lib/__clear_user.S b/arch/sh/lib/__clear_user.S
index db1dca7aad14..0978606907ed 100644
--- a/arch/sh/lib/__clear_user.S
+++ b/arch/sh/lib/__clear_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * __clear_user_page, __clear_user, clear_page implementation of SuperH
  *
diff --git a/arch/sh/lib/ashldi3.c b/arch/sh/lib/ashldi3.c
index beb80f316095..e5afe0935847 100644
--- a/arch/sh/lib/ashldi3.c
+++ b/arch/sh/lib/ashldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 #include "libgcc.h"
diff --git a/arch/sh/lib/ashrdi3.c b/arch/sh/lib/ashrdi3.c
index c884a912b660..ae263fbf2538 100644
--- a/arch/sh/lib/ashrdi3.c
+++ b/arch/sh/lib/ashrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 #include "libgcc.h"
diff --git a/arch/sh/lib/copy_page.S b/arch/sh/lib/copy_page.S
index 9d7b8bc51866..d4e9d18cee0b 100644
--- a/arch/sh/lib/copy_page.S
+++ b/arch/sh/lib/copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * copy_page, __copy_user_page, __copy_user implementation of SuperH
  *
diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c
index 0901b2f14e15..dad8e6a54906 100644
--- a/arch/sh/lib/delay.c
+++ b/arch/sh/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Precise Delay Loops for SuperH
  *
diff --git a/arch/sh/lib/div64-generic.c b/arch/sh/lib/div64-generic.c
index 60e76aa8b53e..0b67fbc44f6f 100644
--- a/arch/sh/lib/div64-generic.c
+++ b/arch/sh/lib/div64-generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic __div64_32 wrapper for __xdiv64_32.
  */
diff --git a/arch/sh/lib/div64.S b/arch/sh/lib/div64.S
index 5ee7334ea64f..4a9a966e71b0 100644
--- a/arch/sh/lib/div64.S
+++ b/arch/sh/lib/div64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*	
  * unsigned long __xdiv64_32(unsigned long long n, unsigned long d); 
  */
diff --git a/arch/sh/lib/lshrdi3.c b/arch/sh/lib/lshrdi3.c
index dcf8d6810b7c..33eaa1edbc3c 100644
--- a/arch/sh/lib/lshrdi3.c
+++ b/arch/sh/lib/lshrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 #include "libgcc.h"
diff --git a/arch/sh/lib/memchr.S b/arch/sh/lib/memchr.S
index bc6036ad5706..8ded104077aa 100644
--- a/arch/sh/lib/memchr.S
+++ b/arch/sh/lib/memchr.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $
  *
  * "memchr" implementation of SuperH
diff --git a/arch/sh/lib/memcpy-sh4.S b/arch/sh/lib/memcpy-sh4.S
index 459fa92a7c53..a2435c0f6302 100644
--- a/arch/sh/lib/memcpy-sh4.S
+++ b/arch/sh/lib/memcpy-sh4.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * "memcpy" implementation of SuperH
  *
diff --git a/arch/sh/lib/memcpy.S b/arch/sh/lib/memcpy.S
index 232fab34c261..08ab3062c4b2 100644
--- a/arch/sh/lib/memcpy.S
+++ b/arch/sh/lib/memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: memcpy.S,v 1.3 2001/07/27 11:50:52 gniibe Exp $
  *
  * "memcpy" implementation of SuperH
diff --git a/arch/sh/lib/memmove.S b/arch/sh/lib/memmove.S
index 5a2211f09202..bdca321814a9 100644
--- a/arch/sh/lib/memmove.S
+++ b/arch/sh/lib/memmove.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: memmove.S,v 1.2 2001/07/27 11:51:09 gniibe Exp $
  *
  * "memmove" implementation of SuperH
diff --git a/arch/sh/lib/memset-sh4.S b/arch/sh/lib/memset-sh4.S
index 1a6e32cc4e4d..10649c4cdab8 100644
--- a/arch/sh/lib/memset-sh4.S
+++ b/arch/sh/lib/memset-sh4.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * "memset" implementation for SH4
  *
diff --git a/arch/sh/lib/memset.S b/arch/sh/lib/memset.S
index af91fe2b72a6..a6d5ec0bd9cf 100644
--- a/arch/sh/lib/memset.S
+++ b/arch/sh/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: memset.S,v 1.1 2000/04/14 16:49:01 mjd Exp $
  *
  * "memset" implementation of SuperH
diff --git a/arch/sh/lib/strlen.S b/arch/sh/lib/strlen.S
index 1bcc13f05962..80ea53dd34f6 100644
--- a/arch/sh/lib/strlen.S
+++ b/arch/sh/lib/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: strlen.S,v 1.2 2001/06/29 14:07:15 gniibe Exp $
  *
  * "strlen" implementation of SuperH
diff --git a/arch/sh/lib64/copy_user_memcpy.S b/arch/sh/lib64/copy_user_memcpy.S
index 49aeabeba2c2..515f81b00202 100644
--- a/arch/sh/lib64/copy_user_memcpy.S
+++ b/arch/sh/lib64/copy_user_memcpy.S
@@ -1,3 +1,4 @@
+! SPDX-License-Identifier: GPL-2.0
 !
 ! Fast SH memcpy
 !
diff --git a/arch/sh/lib64/memcpy.S b/arch/sh/lib64/memcpy.S
index 5d682e0ee24f..231ea595b39a 100644
--- a/arch/sh/lib64/memcpy.S
+++ b/arch/sh/lib64/memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Cloned and hacked for uClibc by Paul Mundt, December 2003 */
 /* Modified by SuperH, Inc. September 2003 */
 !
diff --git a/arch/sh/lib64/memset.S b/arch/sh/lib64/memset.S
index 2d37b0488552..453aa5f1d263 100644
--- a/arch/sh/lib64/memset.S
+++ b/arch/sh/lib64/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Cloned and hacked for uClibc by Paul Mundt, December 2003 */
 /* Modified by SuperH, Inc. September 2003 */
 !
diff --git a/arch/sh/lib64/sdivsi3.S b/arch/sh/lib64/sdivsi3.S
index 1963bbd42288..b422e2374430 100644
--- a/arch/sh/lib64/sdivsi3.S
+++ b/arch/sh/lib64/sdivsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.global	__sdivsi3
 	.global	__sdivsi3_1
 	.global	__sdivsi3_2
diff --git a/arch/sh/lib64/strcpy.S b/arch/sh/lib64/strcpy.S
index ea7c9c533eea..b61631e523d4 100644
--- a/arch/sh/lib64/strcpy.S
+++ b/arch/sh/lib64/strcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Cloned and hacked for uClibc by Paul Mundt, December 2003 */
 /* Modified by SuperH, Inc. September 2003 */
 ! Entry: arg0: destination
diff --git a/arch/sh/lib64/strlen.S b/arch/sh/lib64/strlen.S
index cbc0d912e5f3..c00b972f9999 100644
--- a/arch/sh/lib64/strlen.S
+++ b/arch/sh/lib64/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Simplistic strlen() implementation for SHmedia.
  *
diff --git a/arch/sh/lib64/udivdi3.S b/arch/sh/lib64/udivdi3.S
index 6895c0225b85..c032cb157589 100644
--- a/arch/sh/lib64/udivdi3.S
+++ b/arch/sh/lib64/udivdi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.section	.text..SHmedia32,"ax"
 	.align	2
 	.global	__udivdi3
diff --git a/arch/sh/lib64/udivsi3.S b/arch/sh/lib64/udivsi3.S
index e68120e4b847..e4788fb4fe82 100644
--- a/arch/sh/lib64/udivsi3.S
+++ b/arch/sh/lib64/udivsi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.global	__udivsi3
 	.section	.text..SHmedia32,"ax"
 	.align	2
diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h
index 8ae1bd310ad0..784f541344f3 100644
--- a/arch/sh/math-emu/sfp-util.h
+++ b/arch/sh/math-emu/sfp-util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * These are copied from glibc/stdlib/longlong.h
  */
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index dba285e86808..50cdd1349015 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Memory management options"
 
 config QUICKLIST
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 92c3bd96aee5..fbe5e79751b3 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux SuperH-specific parts of the memory manager.
 #
diff --git a/arch/sh/mm/extable_32.c b/arch/sh/mm/extable_32.c
index 940e871bc816..14312027bb08 100644
--- a/arch/sh/mm/extable_32.c
+++ b/arch/sh/mm/extable_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sh/mm/extable.c
  *  Taken from:
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index 0b85dd9dd3a7..8b8ef8972104 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <asm/mmu_context.h>
 #include <asm/cache_insns.h>
diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c
index 063c298ba56c..8045b5bb7075 100644
--- a/arch/sh/mm/gup.c
+++ b/arch/sh/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Lockless get_user_pages_fast for SuperH
  *
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index d2412d2d6462..960deb1f24a1 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/mm/hugetlbpage.c
  *
diff --git a/arch/sh/mm/ioremap_fixed.c b/arch/sh/mm/ioremap_fixed.c
index efbe84af9983..927a1294c465 100644
--- a/arch/sh/mm/ioremap_fixed.c
+++ b/arch/sh/mm/ioremap_fixed.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Re-map IO memory to kernel address space so that we can access it.
  *
diff --git a/arch/sh/mm/pgtable.c b/arch/sh/mm/pgtable.c
index a62bd8696779..5c8f9247c3c2 100644
--- a/arch/sh/mm/pgtable.c
+++ b/arch/sh/mm/pgtable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/slab.h>
 
diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c
index a7767da815e9..010010bf205a 100644
--- a/arch/sh/mm/uncached.c
+++ b/arch/sh/mm/uncached.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/module.h>
 #include <asm/sizes.h>
diff --git a/arch/sh/oprofile/Makefile b/arch/sh/oprofile/Makefile
index ce3b119021e7..d478dd8dac0b 100644
--- a/arch/sh/oprofile/Makefile
+++ b/arch/sh/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 CFLAGS_common.o	+= -DUTS_MACHINE='"$(UTS_MACHINE)"'
diff --git a/arch/sh/tools/gen-mach-types b/arch/sh/tools/gen-mach-types
index f5ff7c5d8913..6d7c2d8eaf55 100644
--- a/arch/sh/tools/gen-mach-types
+++ b/arch/sh/tools/gen-mach-types
@@ -1,4 +1,5 @@
 #!/bin/awk
+# SPDX-License-Identifier: GPL-2.0
 #
 # Awk script to generate include/generated/machtypes.h
 # Heavily based on arch/arm/tools/gen-mach-types
diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug
index 6db35fba79fd..4aef29a11925 100644
--- a/arch/sparc/Kconfig.debug
+++ b/arch/sparc/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index 8496a074bd0e..dbc448923f48 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # sparc/Makefile
 #
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
index 6a4ceae5ec67..ec8cd703b708 100644
--- a/arch/sparc/boot/Makefile
+++ b/arch/sparc/boot/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Sparc boot stuff.
 #
 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile
index 5d469d81761f..818d3aa5172e 100644
--- a/arch/sparc/crypto/Makefile
+++ b/arch/sparc/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S
index 1cda8aa7cb85..155cefb98520 100644
--- a/arch/sparc/crypto/aes_asm.S
+++ b/arch/sparc/crypto/aes_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/camellia_asm.S b/arch/sparc/crypto/camellia_asm.S
index cc39553a4e43..dcdc9193fcd7 100644
--- a/arch/sparc/crypto/camellia_asm.S
+++ b/arch/sparc/crypto/camellia_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/crypto/crc32c_asm.S
index 2b1976e765b5..b8659a479242 100644
--- a/arch/sparc/crypto/crc32c_asm.S
+++ b/arch/sparc/crypto/crc32c_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 #include <asm/asi.h>
diff --git a/arch/sparc/crypto/crop_devid.c b/arch/sparc/crypto/crop_devid.c
index 5f5724a0ae22..83fc4536dcd5 100644
--- a/arch/sparc/crypto/crop_devid.c
+++ b/arch/sparc/crypto/crop_devid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/of_device.h>
 
diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S
index b5c8fc269b5f..7157468a679d 100644
--- a/arch/sparc/crypto/des_asm.S
+++ b/arch/sparc/crypto/des_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/md5_asm.S b/arch/sparc/crypto/md5_asm.S
index 3150404e602e..7a6637455f37 100644
--- a/arch/sparc/crypto/md5_asm.S
+++ b/arch/sparc/crypto/md5_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/opcodes.h b/arch/sparc/crypto/opcodes.h
index 19cbaea6976f..417b6a10a337 100644
--- a/arch/sparc/crypto/opcodes.h
+++ b/arch/sparc/crypto/opcodes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OPCODES_H
 #define _OPCODES_H
 
diff --git a/arch/sparc/crypto/sha1_asm.S b/arch/sparc/crypto/sha1_asm.S
index 219d10c5ae0e..7d8bf354f0e7 100644
--- a/arch/sparc/crypto/sha1_asm.S
+++ b/arch/sparc/crypto/sha1_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/sha256_asm.S b/arch/sparc/crypto/sha256_asm.S
index b5f3d5826eb4..0b39ec7d7ca2 100644
--- a/arch/sparc/crypto/sha256_asm.S
+++ b/arch/sparc/crypto/sha256_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/crypto/sha512_asm.S b/arch/sparc/crypto/sha512_asm.S
index 54bfba713c0e..b2f6e6728802 100644
--- a/arch/sparc/crypto/sha512_asm.S
+++ b/arch/sparc/crypto/sha512_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/visasm.h>
 
diff --git a/arch/sparc/include/asm/agp.h b/arch/sparc/include/asm/agp.h
index 70f52c1661bc..efe0d6a12e5a 100644
--- a/arch/sparc/include/asm/agp.h
+++ b/arch/sparc/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AGP_H
 #define AGP_H 1
 
diff --git a/arch/sparc/include/asm/apb.h b/arch/sparc/include/asm/apb.h
index 8f3b57db810f..b1dfb1a99f07 100644
--- a/arch/sparc/include/asm/apb.h
+++ b/arch/sparc/include/asm/apb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * apb.h: Advanced PCI Bridge Configuration Registers and Bits
  *
diff --git a/arch/sparc/include/asm/asm-prototypes.h b/arch/sparc/include/asm/asm-prototypes.h
index d381e11c5dbb..96e0972e8dbf 100644
--- a/arch/sparc/include/asm/asm-prototypes.h
+++ b/arch/sparc/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
  */
diff --git a/arch/sparc/include/asm/asm.h b/arch/sparc/include/asm/asm.h
index e8e1d94b4cc9..eaed0117a838 100644
--- a/arch/sparc/include/asm/asm.h
+++ b/arch/sparc/include/asm/asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_ASM_H
 #define _SPARC_ASM_H
 
diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h
index a0e28ef02558..49aaf6f3bc55 100644
--- a/arch/sparc/include/asm/asmmacro.h
+++ b/arch/sparc/include/asm/asmmacro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* asmmacro.h: Assembler macros.
  *
  * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
diff --git a/arch/sparc/include/asm/atomic.h b/arch/sparc/include/asm/atomic.h
index 8ff83d8cc33f..425151cc4808 100644
--- a/arch/sparc/include/asm/atomic.h
+++ b/arch/sparc/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_ATOMIC_H
 #define ___ASM_SPARC_ATOMIC_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index 7643e979e333..0c3b3b4a9963 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atomic.h: These still suck, but the I-cache hit rate is higher.
  *
  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 24827a3f733a..abad97edf736 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atomic.h: Thankfully the V9 is at least reasonable for this
  *           stuff.
  *
diff --git a/arch/sparc/include/asm/auxio.h b/arch/sparc/include/asm/auxio.h
index 3e09a07b77e9..a2681052e900 100644
--- a/arch/sparc/include/asm/auxio.h
+++ b/arch/sparc/include/asm/auxio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_AUXIO_H
 #define ___ASM_SPARC_AUXIO_H
 
diff --git a/arch/sparc/include/asm/auxio_32.h b/arch/sparc/include/asm/auxio_32.h
index 5d685df427b4..852457c7a265 100644
--- a/arch/sparc/include/asm/auxio_32.h
+++ b/arch/sparc/include/asm/auxio_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * auxio.h:  Definitions and code for the Auxiliary I/O register.
  *
diff --git a/arch/sparc/include/asm/auxio_64.h b/arch/sparc/include/asm/auxio_64.h
index 6079e59a7ad1..ae1ed41987db 100644
--- a/arch/sparc/include/asm/auxio_64.h
+++ b/arch/sparc/include/asm/auxio_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * auxio.h:  Definitions and code for the Auxiliary I/O registers.
  *
diff --git a/arch/sparc/include/asm/backoff.h b/arch/sparc/include/asm/backoff.h
index 4e02086b839c..8625946d8d00 100644
--- a/arch/sparc/include/asm/backoff.h
+++ b/arch/sparc/include/asm/backoff.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_BACKOFF_H
 #define _SPARC64_BACKOFF_H
 
diff --git a/arch/sparc/include/asm/barrier.h b/arch/sparc/include/asm/barrier.h
index b25f02a029e0..c10b4164be59 100644
--- a/arch/sparc/include/asm/barrier.h
+++ b/arch/sparc/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_BARRIER_H
 #define ___ASM_SPARC_BARRIER_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h
index 8059130a6cee..304f9c3f7c4a 100644
--- a/arch/sparc/include/asm/barrier_32.h
+++ b/arch/sparc/include/asm/barrier_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_BARRIER_H
 #define __SPARC_BARRIER_H
 
diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
index c9f6ee64f41d..9fb148bd3c97 100644
--- a/arch/sparc/include/asm/barrier_64.h
+++ b/arch/sparc/include/asm/barrier_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_BARRIER_H
 #define __SPARC64_BARRIER_H
 
diff --git a/arch/sparc/include/asm/bbc.h b/arch/sparc/include/asm/bbc.h
index 423a85800aae..00a4f116144d 100644
--- a/arch/sparc/include/asm/bbc.h
+++ b/arch/sparc/include/asm/bbc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bbc.h: Defines for BootBus Controller found on UltraSPARC-III
  *        systems.
diff --git a/arch/sparc/include/asm/bitext.h b/arch/sparc/include/asm/bitext.h
index 9c988bf3adb6..2c2a2d85e8ec 100644
--- a/arch/sparc/include/asm/bitext.h
+++ b/arch/sparc/include/asm/bitext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bitext.h: Bit string operations on the sparc, specific to architecture.
  *
diff --git a/arch/sparc/include/asm/bitops.h b/arch/sparc/include/asm/bitops.h
index b1edd94bd64f..4c431d274926 100644
--- a/arch/sparc/include/asm/bitops.h
+++ b/arch/sparc/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_BITOPS_H
 #define ___ASM_SPARC_BITOPS_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
index 600ed1d9c8c8..0ceff3b915a8 100644
--- a/arch/sparc/include/asm/bitops_32.h
+++ b/arch/sparc/include/asm/bitops_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bitops.h: Bit string operations on the Sparc.
  *
diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
index 2d522402a937..a90eea24b286 100644
--- a/arch/sparc/include/asm/bitops_64.h
+++ b/arch/sparc/include/asm/bitops_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bitops.h: Bit string operations on the V9.
  *
diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h
index 75a32b109e15..01cdc4265733 100644
--- a/arch/sparc/include/asm/btext.h
+++ b/arch/sparc/include/asm/btext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_BTEXT_H
 #define _SPARC_BTEXT_H
 
diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index eaa8f8d38125..6f17528356b2 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_BUG_H
 #define _SPARC_BUG_H
 
diff --git a/arch/sparc/include/asm/bugs.h b/arch/sparc/include/asm/bugs.h
index 61d86bbbe2b2..02fa369b9c21 100644
--- a/arch/sparc/include/asm/bugs.h
+++ b/arch/sparc/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* include/asm/bugs.h:  Sparc probes for various bugs.
  *
  * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
index 5bb6991b4857..dcfd58118c11 100644
--- a/arch/sparc/include/asm/cache.h
+++ b/arch/sparc/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* cache.h:  Cache specific code for the Sparc.  These include flushing
  *           and direct tag/data line access.
  *
diff --git a/arch/sparc/include/asm/cacheflush.h b/arch/sparc/include/asm/cacheflush.h
index f6c4839b8388..881ac76eab93 100644
--- a/arch/sparc/include/asm/cacheflush.h
+++ b/arch/sparc/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_CACHEFLUSH_H
 #define ___ASM_SPARC_CACHEFLUSH_H
 
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
index 12164006181c..fb66094a2c30 100644
--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_CACHEFLUSH_H
 #define _SPARC_CACHEFLUSH_H
 
diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
index 68513c41e10d..e7517434d1fa 100644
--- a/arch/sparc/include/asm/cacheflush_64.h
+++ b/arch/sparc/include/asm/cacheflush_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_CACHEFLUSH_H
 #define _SPARC64_CACHEFLUSH_H
 
diff --git a/arch/sparc/include/asm/cachetlb_32.h b/arch/sparc/include/asm/cachetlb_32.h
index efb19889a083..534da70c6357 100644
--- a/arch/sparc/include/asm/cachetlb_32.h
+++ b/arch/sparc/include/asm/cachetlb_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_CACHETLB_H
 #define _SPARC_CACHETLB_H
 
diff --git a/arch/sparc/include/asm/chafsr.h b/arch/sparc/include/asm/chafsr.h
index 85c69b38220b..01540eca1671 100644
--- a/arch/sparc/include/asm/chafsr.h
+++ b/arch/sparc/include/asm/chafsr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_CHAFSR_H
 #define _SPARC64_CHAFSR_H
 
diff --git a/arch/sparc/include/asm/checksum.h b/arch/sparc/include/asm/checksum.h
index 7ac0d7497bc5..c3be56e2e768 100644
--- a/arch/sparc/include/asm/checksum.h
+++ b/arch/sparc/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_CHECKSUM_H
 #define ___ASM_SPARC_CHECKSUM_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h
index e25af5fc99fd..d1e53d7aed39 100644
--- a/arch/sparc/include/asm/checksum_32.h
+++ b/arch/sparc/include/asm/checksum_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_CHECKSUM_H
 #define __SPARC_CHECKSUM_H
 
diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h
index 96a5ed58cea6..e52450930e4e 100644
--- a/arch/sparc/include/asm/checksum_64.h
+++ b/arch/sparc/include/asm/checksum_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_CHECKSUM_H
 #define __SPARC64_CHECKSUM_H
 
diff --git a/arch/sparc/include/asm/chmctrl.h b/arch/sparc/include/asm/chmctrl.h
index 859b4a4b0d30..96f043cb2c3e 100644
--- a/arch/sparc/include/asm/chmctrl.h
+++ b/arch/sparc/include/asm/chmctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_CHMCTRL_H
 #define _SPARC64_CHMCTRL_H
 
diff --git a/arch/sparc/include/asm/cmpxchg.h b/arch/sparc/include/asm/cmpxchg.h
index 9355893efa52..b7955c6b91fc 100644
--- a/arch/sparc/include/asm/cmpxchg.h
+++ b/arch/sparc/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_CMPXCHG_H
 #define ___ASM_SPARC_CMPXCHG_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h
index 83ffb83c5397..3e3823db303e 100644
--- a/arch/sparc/include/asm/cmpxchg_32.h
+++ b/arch/sparc/include/asm/cmpxchg_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 32-bit atomic xchg() and cmpxchg() definitions.
  *
  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h
index 4028f4f1e561..f71ef3729888 100644
--- a/arch/sparc/include/asm/cmpxchg_64.h
+++ b/arch/sparc/include/asm/cmpxchg_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 64-bit atomic xchg() and cmpxchg() definitions.
  *
  * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 6f251c4d613e..977c3f280ba1 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC64_COMPAT_H
 #define _ASM_SPARC64_COMPAT_H
 /*
diff --git a/arch/sparc/include/asm/compat_signal.h b/arch/sparc/include/asm/compat_signal.h
index 4b027b1044fa..e5f7a7f281d2 100644
--- a/arch/sparc/include/asm/compat_signal.h
+++ b/arch/sparc/include/asm/compat_signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _COMPAT_SIGNAL_H
 #define _COMPAT_SIGNAL_H
 
diff --git a/arch/sparc/include/asm/contregs.h b/arch/sparc/include/asm/contregs.h
index b8abdfcf5555..4df56a6ba7d9 100644
--- a/arch/sparc/include/asm/contregs.h
+++ b/arch/sparc/include/asm/contregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_CONTREGS_H
 #define _SPARC_CONTREGS_H
 
diff --git a/arch/sparc/include/asm/cpu_type.h b/arch/sparc/include/asm/cpu_type.h
index 84d7d83b8084..2b59799859d1 100644
--- a/arch/sparc/include/asm/cpu_type.h
+++ b/arch/sparc/include/asm/cpu_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CPU_TYPE_H
 #define __ASM_CPU_TYPE_H
 
diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h
index 128b56b08676..d213165ee713 100644
--- a/arch/sparc/include/asm/cpudata.h
+++ b/arch/sparc/include/asm/cpudata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_CPUDATA_H
 #define ___ASM_SPARC_CPUDATA_H
 
diff --git a/arch/sparc/include/asm/cpudata_32.h b/arch/sparc/include/asm/cpudata_32.h
index 05f366379f53..895d0964b802 100644
--- a/arch/sparc/include/asm/cpudata_32.h
+++ b/arch/sparc/include/asm/cpudata_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* cpudata.h: Per-cpu parameters.
  *
  * Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org)
diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h
index 5b0ed48e5b0c..666d6b5c0440 100644
--- a/arch/sparc/include/asm/cpudata_64.h
+++ b/arch/sparc/include/asm/cpudata_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* cpudata.h: Per-cpu parameters.
  *
  * Copyright (C) 2003, 2005, 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/current.h b/arch/sparc/include/asm/current.h
index 10a0df55a574..c68312a89d14 100644
--- a/arch/sparc/include/asm/current.h
+++ b/arch/sparc/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* include/asm/current.h
  *
  * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
diff --git a/arch/sparc/include/asm/dcr.h b/arch/sparc/include/asm/dcr.h
index 620c9ba642e9..c810e1b4285c 100644
--- a/arch/sparc/include/asm/dcr.h
+++ b/arch/sparc/include/asm/dcr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_DCR_H
 #define _SPARC64_DCR_H
 
diff --git a/arch/sparc/include/asm/dcu.h b/arch/sparc/include/asm/dcu.h
index 0f704e106a1b..93f32507125e 100644
--- a/arch/sparc/include/asm/dcu.h
+++ b/arch/sparc/include/asm/dcu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_DCU_H
 #define _SPARC64_DCU_H
 
diff --git a/arch/sparc/include/asm/delay.h b/arch/sparc/include/asm/delay.h
index 467caa2a97a0..c96af9b91661 100644
--- a/arch/sparc/include/asm/delay.h
+++ b/arch/sparc/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_DELAY_H
 #define ___ASM_SPARC_DELAY_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/delay_32.h b/arch/sparc/include/asm/delay_32.h
index 3fb8ca144b4f..0e6dfe857d67 100644
--- a/arch/sparc/include/asm/delay_32.h
+++ b/arch/sparc/include/asm/delay_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * delay.h: Linux delay routines on the Sparc.
  *
diff --git a/arch/sparc/include/asm/delay_64.h b/arch/sparc/include/asm/delay_64.h
index 0ba5424856d8..22213b1c119d 100644
--- a/arch/sparc/include/asm/delay_64.h
+++ b/arch/sparc/include/asm/delay_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* delay.h: Linux delay routines on sparc64.
  *
  * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net).
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 60bf1633d554..2f3490dd37de 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_DMA_MAPPING_H
 #define ___ASM_SPARC_DMA_MAPPING_H
 
diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h
index 3d434ef5eae3..a1d7c86917c6 100644
--- a/arch/sparc/include/asm/dma.h
+++ b/arch/sparc/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_DMA_H
 #define _ASM_SPARC_DMA_H
 
diff --git a/arch/sparc/include/asm/ebus_dma.h b/arch/sparc/include/asm/ebus_dma.h
index fcfb4948147f..75563ed090f5 100644
--- a/arch/sparc/include/asm/ebus_dma.h
+++ b/arch/sparc/include/asm/ebus_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPARC_EBUS_DMA_H
 #define __ASM_SPARC_EBUS_DMA_H
 
diff --git a/arch/sparc/include/asm/ecc.h b/arch/sparc/include/asm/ecc.h
index ccb84b66fef1..3d5edee36b4c 100644
--- a/arch/sparc/include/asm/ecc.h
+++ b/arch/sparc/include/asm/ecc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ecc.h: Definitions and defines for the external cache/memory
  *        controller on the sun4m.
diff --git a/arch/sparc/include/asm/elf.h b/arch/sparc/include/asm/elf.h
index 0a2816c50b07..bbfb4b002ff3 100644
--- a/arch/sparc/include/asm/elf.h
+++ b/arch/sparc/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_ELF_H
 #define ___ASM_SPARC_ELF_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index a24e41fcdde1..37a6016c9ccd 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASMSPARC_ELF_H
 #define __ASMSPARC_ELF_H
 
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 3f2d403873bd..5894389f5ed5 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPARC64_ELF_H
 #define __ASM_SPARC64_ELF_H
 
diff --git a/arch/sparc/include/asm/estate.h b/arch/sparc/include/asm/estate.h
index 520c08560d1b..e5e0f84accea 100644
--- a/arch/sparc/include/asm/estate.h
+++ b/arch/sparc/include/asm/estate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_ESTATE_H
 #define _SPARC64_ESTATE_H
 
diff --git a/arch/sparc/include/asm/extable_64.h b/arch/sparc/include/asm/extable_64.h
index 1121cb056ffb..5a0171907b7e 100644
--- a/arch/sparc/include/asm/extable_64.h
+++ b/arch/sparc/include/asm/extable_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_EXTABLE64_H
 #define __ASM_EXTABLE64_H
 /*
diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h
index 2173432ad7f7..f699962e9ddf 100644
--- a/arch/sparc/include/asm/fb.h
+++ b/arch/sparc/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_FB_H_
 #define _SPARC_FB_H_
 #include <linux/console.h>
diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h
index 1d9afe277e9c..02654cb95dec 100644
--- a/arch/sparc/include/asm/fbio.h
+++ b/arch/sparc/include/asm/fbio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_FBIO_H
 #define __LINUX_FBIO_H
 
diff --git a/arch/sparc/include/asm/fhc.h b/arch/sparc/include/asm/fhc.h
index 57f1b303ad54..0627fa126540 100644
--- a/arch/sparc/include/asm/fhc.h
+++ b/arch/sparc/include/asm/fhc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* fhc.h: FHC and Clock board register definitions.
  *
  * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/include/asm/floppy.h b/arch/sparc/include/asm/floppy.h
index faebd335b600..4b315802e635 100644
--- a/arch/sparc/include/asm/floppy.h
+++ b/arch/sparc/include/asm/floppy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_FLOPPY_H
 #define ___ASM_SPARC_FLOPPY_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index 071b83e52f15..dd63aa301658 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* asm/floppy.h: Sparc specific parts of the Floppy driver.
  *
  * Copyright (C) 1995 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 625756406a7e..22fbeab92a4c 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* floppy.h: Sparc specific parts of the Floppy driver.
  *
  * Copyright (C) 1996, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/fpumacro.h b/arch/sparc/include/asm/fpumacro.h
index cc463fec806f..bc378df97fa8 100644
--- a/arch/sparc/include/asm/fpumacro.h
+++ b/arch/sparc/include/asm/fpumacro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* fpumacro.h: FPU related macros.
  *
  * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/include/asm/ftrace.h b/arch/sparc/include/asm/ftrace.h
index 62755a339a59..d3aa1a524431 100644
--- a/arch/sparc/include/asm/ftrace.h
+++ b/arch/sparc/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC64_FTRACE
 #define _ASM_SPARC64_FTRACE
 
diff --git a/arch/sparc/include/asm/futex.h b/arch/sparc/include/asm/futex.h
index 736335f36713..75a13a20cc64 100644
--- a/arch/sparc/include/asm/futex.h
+++ b/arch/sparc/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_FUTEX_H
 #define ___ASM_SPARC_FUTEX_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h
index 1cfd89d92208..0865ce77ec00 100644
--- a/arch/sparc/include/asm/futex_64.h
+++ b/arch/sparc/include/asm/futex_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_FUTEX_H
 #define _SPARC64_FUTEX_H
 
diff --git a/arch/sparc/include/asm/hardirq.h b/arch/sparc/include/asm/hardirq.h
index 44d4e2345148..a185f6647348 100644
--- a/arch/sparc/include/asm/hardirq.h
+++ b/arch/sparc/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_HARDIRQ_H
 #define ___ASM_SPARC_HARDIRQ_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/hardirq_32.h b/arch/sparc/include/asm/hardirq_32.h
index ee93923b7f82..9830d8731a09 100644
--- a/arch/sparc/include/asm/hardirq_32.h
+++ b/arch/sparc/include/asm/hardirq_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* hardirq.h: 32-bit Sparc hard IRQ support.
  *
  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/hardirq_64.h b/arch/sparc/include/asm/hardirq_64.h
index f478ff1ddd02..f56540271993 100644
--- a/arch/sparc/include/asm/hardirq_64.h
+++ b/arch/sparc/include/asm/hardirq_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* hardirq.h: 64-bit Sparc hard IRQ support.
  *
  * Copyright (C) 1997, 1998, 2005 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/head.h b/arch/sparc/include/asm/head.h
index be8f03f3e731..25299b701df5 100644
--- a/arch/sparc/include/asm/head.h
+++ b/arch/sparc/include/asm/head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_HEAD_H
 #define ___ASM_SPARC_HEAD_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h
index 6fc60fd182c4..d2809c859d0c 100644
--- a/arch/sparc/include/asm/head_32.h
+++ b/arch/sparc/include/asm/head_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_HEAD_H
 #define __SPARC_HEAD_H
 
diff --git a/arch/sparc/include/asm/head_64.h b/arch/sparc/include/asm/head_64.h
index f0700cfeedd7..69a2062d992c 100644
--- a/arch/sparc/include/asm/head_64.h
+++ b/arch/sparc/include/asm/head_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_HEAD_H
 #define _SPARC64_HEAD_H
 
diff --git a/arch/sparc/include/asm/hibernate.h b/arch/sparc/include/asm/hibernate.h
index 2ec34f842249..3bb0a96ec4ef 100644
--- a/arch/sparc/include/asm/hibernate.h
+++ b/arch/sparc/include/asm/hibernate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hibernate.h:  Hibernaton support specific for sparc64.
  *
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 92ded294a4ec..18d776925c45 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 0ca7caab1b06..300557c66698 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC64_HUGETLB_H
 #define _ASM_SPARC64_HUGETLB_H
 
diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h
index 04b56f862bbe..688ea43af0f5 100644
--- a/arch/sparc/include/asm/hvtramp.h
+++ b/arch/sparc/include/asm/hvtramp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_HVTRAP_H
 #define _SPARC64_HVTRAP_H
 
diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h
index 3dc9215d0357..89a0c57aed59 100644
--- a/arch/sparc/include/asm/hypervisor.h
+++ b/arch/sparc/include/asm/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_HYPERVISOR_H
 #define _SPARC64_HYPERVISOR_H
 
diff --git a/arch/sparc/include/asm/ide.h b/arch/sparc/include/asm/ide.h
index b7af3d658239..09f026585550 100644
--- a/arch/sparc/include/asm/ide.h
+++ b/arch/sparc/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ide.h: SPARC PCI specific IDE glue.
  *
  * Copyright (C) 1997  David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/idprom.h b/arch/sparc/include/asm/idprom.h
index 3793f7f91c42..4c372199cd70 100644
--- a/arch/sparc/include/asm/idprom.h
+++ b/arch/sparc/include/asm/idprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * idprom.h: Macros and defines for idprom routines
  *
diff --git a/arch/sparc/include/asm/intr_queue.h b/arch/sparc/include/asm/intr_queue.h
index 206077dedc2a..d61be2a3aac1 100644
--- a/arch/sparc/include/asm/intr_queue.h
+++ b/arch/sparc/include/asm/intr_queue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_INTR_QUEUE_H
 #define _SPARC64_INTR_QUEUE_H
 
diff --git a/arch/sparc/include/asm/io-unit.h b/arch/sparc/include/asm/io-unit.h
index 04a9701e7202..3ce96e8c088f 100644
--- a/arch/sparc/include/asm/io-unit.h
+++ b/arch/sparc/include/asm/io-unit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* io-unit.h: Definitions for the sun4d IO-UNIT.
  *
  * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h
index f6902cf3cbe9..2eefa526b38f 100644
--- a/arch/sparc/include/asm/io.h
+++ b/arch/sparc/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_IO_H
 #define ___ASM_SPARC_IO_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index 4dd268a3a8b0..cd51a89b393c 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_IO_H
 #define __SPARC_IO_H
 
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index c32fa3f752c8..9a1e9cbc7e6d 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_IO_H
 #define __SPARC64_IO_H
 
diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h
index 77413b7e3a18..c92ac780c39f 100644
--- a/arch/sparc/include/asm/ioctls.h
+++ b/arch/sparc/include/asm/ioctls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_IOCTLS_H
 #define _ASM_SPARC_IOCTLS_H
 
diff --git a/arch/sparc/include/asm/iommu.h b/arch/sparc/include/asm/iommu.h
index e650965b4a8d..37935cb34865 100644
--- a/arch/sparc/include/asm/iommu.h
+++ b/arch/sparc/include/asm/iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_IOMMU_H
 #define ___ASM_SPARC_IOMMU_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/iommu_32.h b/arch/sparc/include/asm/iommu_32.h
index f6c066b52fd6..af51cd5ea3c1 100644
--- a/arch/sparc/include/asm/iommu_32.h
+++ b/arch/sparc/include/asm/iommu_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* iommu.h: Definitions for the sun4m IOMMU.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h
index f24f356f2503..9ed6b54caa4b 100644
--- a/arch/sparc/include/asm/iommu_64.h
+++ b/arch/sparc/include/asm/iommu_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* iommu.h: Definitions for the sun5 IOMMU.
  *
  * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h
index 3b44a6a14074..a2efc274dbb0 100644
--- a/arch/sparc/include/asm/irq.h
+++ b/arch/sparc/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_IRQ_H
 #define ___ASM_SPARC_IRQ_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h
index eecd3d8442c9..43ec2609b811 100644
--- a/arch/sparc/include/asm/irq_32.h
+++ b/arch/sparc/include/asm/irq_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* irq.h: IRQ registers on the Sparc.
  *
  * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index 1d51a11fb261..4d748e93b974 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* irq.h: IRQ registers on the 64-bit Sparc.
  *
  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/irqflags.h b/arch/sparc/include/asm/irqflags.h
index 1e138632bd3f..d1bdf6c398d1 100644
--- a/arch/sparc/include/asm/irqflags.h
+++ b/arch/sparc/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_IRQFLAGS_H
 #define ___ASM_SPARC_IRQFLAGS_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h
index 71cc284f55c5..7ca3eaf3dace 100644
--- a/arch/sparc/include/asm/irqflags_32.h
+++ b/arch/sparc/include/asm/irqflags_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm/irqflags.h
  *
diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h
index 23cd27f6beb4..c29ed571ae49 100644
--- a/arch/sparc/include/asm/irqflags_64.h
+++ b/arch/sparc/include/asm/irqflags_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm/irqflags.h
  *
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h
index 62d0354d1727..94eb529dcb77 100644
--- a/arch/sparc/include/asm/jump_label.h
+++ b/arch/sparc/include/asm/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_JUMP_LABEL_H
 #define _ASM_SPARC_JUMP_LABEL_H
 
diff --git a/arch/sparc/include/asm/kdebug.h b/arch/sparc/include/asm/kdebug.h
index 8d12581ca386..830053f91da1 100644
--- a/arch/sparc/include/asm/kdebug.h
+++ b/arch/sparc/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_KDEBUG_H
 #define ___ASM_SPARC_KDEBUG_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/kdebug_32.h b/arch/sparc/include/asm/kdebug_32.h
index 1d0b240222ef..763d423823bd 100644
--- a/arch/sparc/include/asm/kdebug_32.h
+++ b/arch/sparc/include/asm/kdebug_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * kdebug.h:  Defines and definitions for debugging the Linux kernel
  *            under various kernel debuggers.
diff --git a/arch/sparc/include/asm/kdebug_64.h b/arch/sparc/include/asm/kdebug_64.h
index 867286bf7b1a..89428bd4f94b 100644
--- a/arch/sparc/include/asm/kdebug_64.h
+++ b/arch/sparc/include/asm/kdebug_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_KDEBUG_H
 #define _SPARC64_KDEBUG_H
 
diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h
index a6ad7bf84bac..deabe0279cd9 100644
--- a/arch/sparc/include/asm/kgdb.h
+++ b/arch/sparc/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_KGDB_H
 #define _SPARC_KGDB_H
 
diff --git a/arch/sparc/include/asm/kmap_types.h b/arch/sparc/include/asm/kmap_types.h
index aad21745fbb9..55a99b6bd91e 100644
--- a/arch/sparc/include/asm/kmap_types.h
+++ b/arch/sparc/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h
index 49f8402035d7..3704490b4488 100644
--- a/arch/sparc/include/asm/kprobes.h
+++ b/arch/sparc/include/asm/kprobes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_KPROBES_H
 #define _SPARC64_KPROBES_H
 
diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h
index 698738a10414..ca973955ca86 100644
--- a/arch/sparc/include/asm/ldc.h
+++ b/arch/sparc/include/asm/ldc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_LDC_H
 #define _SPARC64_LDC_H
 
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 204771cd74a5..c68bb5b76e3d 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com) Gaisler Research
  * Copyright (C) 2004 Stefan Holst (mail@s-holst.de) Uni-Stuttgart
diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h
index 24ec48c3ff90..6433a93f5126 100644
--- a/arch/sparc/include/asm/leon_amba.h
+++ b/arch/sparc/include/asm/leon_amba.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
 *Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com), Gaisler Research
 *Copyright (C) 2004 Stefan Holst (mail@s-holst.de), Uni-Stuttgart
diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h
index 049d067ed8be..484a56e81dcc 100644
--- a/arch/sparc/include/asm/leon_pci.h
+++ b/arch/sparc/include/asm/leon_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asm/leon_pci.h
  *
diff --git a/arch/sparc/include/asm/lsu.h b/arch/sparc/include/asm/lsu.h
index 7190f8de90a0..154ae76c0244 100644
--- a/arch/sparc/include/asm/lsu.h
+++ b/arch/sparc/include/asm/lsu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_LSU_H
 #define _SPARC64_LSU_H
 
diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h
index fd6ddb05d1b7..9f78f70c6f11 100644
--- a/arch/sparc/include/asm/machines.h
+++ b/arch/sparc/include/asm/machines.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * machines.h:  Defines for taking apart the machine type value in the
  *              idprom and determining the kind of machine we are on.
diff --git a/arch/sparc/include/asm/mbus.h b/arch/sparc/include/asm/mbus.h
index 14128bcc5821..8b6dbe701b9b 100644
--- a/arch/sparc/include/asm/mbus.h
+++ b/arch/sparc/include/asm/mbus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mbus.h:  Various defines for MBUS modules.
  *
diff --git a/arch/sparc/include/asm/mc146818rtc.h b/arch/sparc/include/asm/mc146818rtc.h
index d8e72f37dc4b..07faf754eb71 100644
--- a/arch/sparc/include/asm/mc146818rtc.h
+++ b/arch/sparc/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_MC146818RTC_H
 #define ___ASM_SPARC_MC146818RTC_H
 
diff --git a/arch/sparc/include/asm/mc146818rtc_32.h b/arch/sparc/include/asm/mc146818rtc_32.h
index fa7eac926582..d8fd75da8d49 100644
--- a/arch/sparc/include/asm/mc146818rtc_32.h
+++ b/arch/sparc/include/asm/mc146818rtc_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/sparc/include/asm/mc146818rtc_64.h b/arch/sparc/include/asm/mc146818rtc_64.h
index 7238d174e0e3..b1708a7e5735 100644
--- a/arch/sparc/include/asm/mc146818rtc_64.h
+++ b/arch/sparc/include/asm/mc146818rtc_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h
index e8a4c413a1c7..ec31a06d04cc 100644
--- a/arch/sparc/include/asm/mdesc.h
+++ b/arch/sparc/include/asm/mdesc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_MDESC_H
 #define _SPARC64_MDESC_H
 
diff --git a/arch/sparc/include/asm/memctrl.h b/arch/sparc/include/asm/memctrl.h
index 4065c56af7b6..6790ed608cbc 100644
--- a/arch/sparc/include/asm/memctrl.h
+++ b/arch/sparc/include/asm/memctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_MEMCTRL_H
 #define _SPARC_MEMCTRL_H
 
diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h
index 59bb5938d852..7e9472143f9b 100644
--- a/arch/sparc/include/asm/mman.h
+++ b/arch/sparc/include/asm/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_MMAN_H__
 #define __SPARC_MMAN_H__
 
diff --git a/arch/sparc/include/asm/mmu.h b/arch/sparc/include/asm/mmu.h
index 88fa313887db..286457e589a6 100644
--- a/arch/sparc/include/asm/mmu.h
+++ b/arch/sparc/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_MMU_H
 #define ___ASM_SPARC_MMU_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/mmu_32.h b/arch/sparc/include/asm/mmu_32.h
index 6f056e535cf8..d5b220ca7f40 100644
--- a/arch/sparc/include/asm/mmu_32.h
+++ b/arch/sparc/include/asm/mmu_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h
index 83b36a5371ff..5fe64a57b4ba 100644
--- a/arch/sparc/include/asm/mmu_64.h
+++ b/arch/sparc/include/asm/mmu_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MMU_H
 #define __MMU_H
 
diff --git a/arch/sparc/include/asm/mmu_context.h b/arch/sparc/include/asm/mmu_context.h
index 5531346c64f9..5e1ea38511f4 100644
--- a/arch/sparc/include/asm/mmu_context.h
+++ b/arch/sparc/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_MMU_CONTEXT_H
 #define ___ASM_SPARC_MMU_CONTEXT_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h
index 2df2a9be8f6d..7ddcb8badf70 100644
--- a/arch/sparc/include/asm/mmu_context_32.h
+++ b/arch/sparc/include/asm/mmu_context_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_MMU_CONTEXT_H
 #define __SPARC_MMU_CONTEXT_H
 
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 87841d687f8d..e25d25b0a34b 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_MMU_CONTEXT_H
 #define __SPARC64_MMU_CONTEXT_H
 
diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h
index 99d9b9f577bf..6543fb97a849 100644
--- a/arch/sparc/include/asm/mmzone.h
+++ b/arch/sparc/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_MMZONE_H
 #define _SPARC64_MMZONE_H
 
diff --git a/arch/sparc/include/asm/msi.h b/arch/sparc/include/asm/msi.h
index 724ca5667052..3c17c1074431 100644
--- a/arch/sparc/include/asm/msi.h
+++ b/arch/sparc/include/asm/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * msi.h:  Defines specific to the MBus - Sbus - Interface.
  *
diff --git a/arch/sparc/include/asm/mxcc.h b/arch/sparc/include/asm/mxcc.h
index c0517bd05bde..3a2561bea4dd 100644
--- a/arch/sparc/include/asm/mxcc.h
+++ b/arch/sparc/include/asm/mxcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mxcc.h:  Definitions of the Viking MXCC registers
  *
diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h
index 284eac3ffaf2..90ee7863d9fe 100644
--- a/arch/sparc/include/asm/nmi.h
+++ b/arch/sparc/include/asm/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NMI_H
 #define __NMI_H
 
diff --git a/arch/sparc/include/asm/ns87303.h b/arch/sparc/include/asm/ns87303.h
index 6b947ee0f6aa..5401894a6065 100644
--- a/arch/sparc/include/asm/ns87303.h
+++ b/arch/sparc/include/asm/ns87303.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ns87303.h: Configuration Register Description for the
  *            National Semiconductor PC87303 (SuperIO).
  *
diff --git a/arch/sparc/include/asm/obio.h b/arch/sparc/include/asm/obio.h
index 426ad75103fb..1b151f738b00 100644
--- a/arch/sparc/include/asm/obio.h
+++ b/arch/sparc/include/asm/obio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * obio.h:  Some useful locations in 0xFXXXXXXXX PA obio space on sun4d.
  *
diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h
index 63374c4413a8..69545b3e5454 100644
--- a/arch/sparc/include/asm/openprom.h
+++ b/arch/sparc/include/asm/openprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_OPENPROM_H
 #define __SPARC_OPENPROM_H
 
diff --git a/arch/sparc/include/asm/oplib.h b/arch/sparc/include/asm/oplib.h
index 72e04e13a6b4..df49a7700d73 100644
--- a/arch/sparc/include/asm/oplib.h
+++ b/arch/sparc/include/asm/oplib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_OPLIB_H
 #define ___ASM_SPARC_OPLIB_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h
index 56a09b9d7b1b..d1cf3a27a40d 100644
--- a/arch/sparc/include/asm/oplib_32.h
+++ b/arch/sparc/include/asm/oplib_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * oplib.h:  Describes the interface and available routines in the
  *           Linux Prom library.
diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index 2e3a4add8591..a67abebd4359 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* oplib.h:  Describes the interface and available routines in the
  *           Linux Prom library.
  *
diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h
index 1be2fdec6268..5e44cdf2a8f2 100644
--- a/arch/sparc/include/asm/page.h
+++ b/arch/sparc/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PAGE_H
 #define ___ASM_SPARC_PAGE_H
 
diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h
index 6249214148c2..b76d59edec8c 100644
--- a/arch/sparc/include/asm/page_32.h
+++ b/arch/sparc/include/asm/page_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * page.h:  Various defines and such for MMU operations on the Sparc for
  *          the Linux kernel.
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index 8ee1f97589a1..c28379b1b0fc 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_PAGE_H
 #define _SPARC64_PAGE_H
 
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index f005ccac91cc..05df5f043053 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* parport.h: sparc64 specific parport initialization and dma.
  *
  * Copyright (C) 1999  Eddie C. Dost  (ecd@skynet.be)
diff --git a/arch/sparc/include/asm/pbm.h b/arch/sparc/include/asm/pbm.h
index 458a4916d14d..0c86261721e7 100644
--- a/arch/sparc/include/asm/pbm.h
+++ b/arch/sparc/include/asm/pbm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * pbm.h: PCI bus module pseudo driver software state
diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h
index 6e14fd179335..cad79a6ce0e4 100644
--- a/arch/sparc/include/asm/pci.h
+++ b/arch/sparc/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PCI_H
 #define ___ASM_SPARC_PCI_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
index b7c092df3134..fe361d3d180d 100644
--- a/arch/sparc/include/asm/pci_32.h
+++ b/arch/sparc/include/asm/pci_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_PCI_H
 #define __SPARC_PCI_H
 
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index b957ca5527a3..671274e36cfa 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_PCI_H
 #define __SPARC64_PCI_H
 
diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h
index f41706792592..238376b1ffcc 100644
--- a/arch/sparc/include/asm/pcic.h
+++ b/arch/sparc/include/asm/pcic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * pcic.h: JavaEngine 1 specific PCI definitions.
  *
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index cdf800c3326c..da834ffbe75d 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PCR_H
 #define __PCR_H
 
diff --git a/arch/sparc/include/asm/percpu.h b/arch/sparc/include/asm/percpu.h
index bfb1d19ff1bf..0cd704ef5ff9 100644
--- a/arch/sparc/include/asm/percpu.h
+++ b/arch/sparc/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PERCPU_H
 #define ___ASM_SPARC_PERCPU_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/percpu_32.h b/arch/sparc/include/asm/percpu_32.h
index 06066a7aaec3..ee6c7c1934f6 100644
--- a/arch/sparc/include/asm/percpu_32.h
+++ b/arch/sparc/include/asm/percpu_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_SPARC_PERCPU__
 #define __ARCH_SPARC_PERCPU__
 
diff --git a/arch/sparc/include/asm/percpu_64.h b/arch/sparc/include/asm/percpu_64.h
index 007aafb4ae97..32ef6f05cc56 100644
--- a/arch/sparc/include/asm/percpu_64.h
+++ b/arch/sparc/include/asm/percpu_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_SPARC64_PERCPU__
 #define __ARCH_SPARC64_PERCPU__
 
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h
index 4d3dbe3703e9..c2aec0c7f4f5 100644
--- a/arch/sparc/include/asm/perf_event.h
+++ b/arch/sparc/include/asm/perf_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPARC_PERF_EVENT_H
 #define __ASM_SPARC_PERF_EVENT_H
 
diff --git a/arch/sparc/include/asm/pgalloc.h b/arch/sparc/include/asm/pgalloc.h
index b6db1f7cdcab..9ea0b37586c9 100644
--- a/arch/sparc/include/asm/pgalloc.h
+++ b/arch/sparc/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PGALLOC_H
 #define ___ASM_SPARC_PGALLOC_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index 0346c7e62452..90459481c6c7 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_PGALLOC_H
 #define _SPARC_PGALLOC_H
 
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 3529f1378cd8..874632f34f62 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_PGALLOC_H
 #define _SPARC64_PGALLOC_H
 
diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h
index 59ba6f620732..e48891170f84 100644
--- a/arch/sparc/include/asm/pgtable.h
+++ b/arch/sparc/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PGTABLE_H
 #define ___ASM_SPARC_PGTABLE_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index cf190728360b..4eebed6c6781 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_PGTABLE_H
 #define _SPARC_PGTABLE_H
 
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 4fefe3762083..fd9d9bac7cfa 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * pgtable.h: SpitFire page table operations.
  *
diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
index ae51a111a8c7..32a508897501 100644
--- a/arch/sparc/include/asm/pgtsrmmu.h
+++ b/arch/sparc/include/asm/pgtsrmmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * pgtsrmmu.h:  SRMMU page table defines and code.
  *
diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h
index 522b43db2ed3..4003c35304bd 100644
--- a/arch/sparc/include/asm/pil.h
+++ b/arch/sparc/include/asm/pil.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_PIL_H
 #define _SPARC64_PIL_H
 
diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h
index 9da9646bf6c6..18295ea625dd 100644
--- a/arch/sparc/include/asm/processor.h
+++ b/arch/sparc/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_PROCESSOR_H
 #define ___ASM_SPARC_PROCESSOR_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index b395e5620c0b..192493c257fa 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* include/asm/processor.h
  *
  * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index f04dc5a43062..c7c79fe8d265 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm/processor.h
  *
diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h
index e71eb57945e0..65127ce565ab 100644
--- a/arch/sparc/include/asm/psr.h
+++ b/arch/sparc/include/asm/psr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * psr.h: This file holds the macros for masking off various parts of
  *        the processor status register on the Sparc. This is valid
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index d73428e4333c..6a339a78f4f4 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_PTRACE_H
 #define __SPARC_PTRACE_H
 
diff --git a/arch/sparc/include/asm/qrwlock.h b/arch/sparc/include/asm/qrwlock.h
index d68a4b102100..c277729152c6 100644
--- a/arch/sparc/include/asm/qrwlock.h
+++ b/arch/sparc/include/asm/qrwlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_QRWLOCK_H
 #define _ASM_SPARC_QRWLOCK_H
 
diff --git a/arch/sparc/include/asm/qspinlock.h b/arch/sparc/include/asm/qspinlock.h
index 5ae9a2802846..48808f3d9dd7 100644
--- a/arch/sparc/include/asm/qspinlock.h
+++ b/arch/sparc/include/asm/qspinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_QSPINLOCK_H
 #define _ASM_SPARC_QSPINLOCK_H
 
diff --git a/arch/sparc/include/asm/ross.h b/arch/sparc/include/asm/ross.h
index ecb6e81786a6..79a54d66a2c0 100644
--- a/arch/sparc/include/asm/ross.h
+++ b/arch/sparc/include/asm/ross.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ross.h: Ross module specific definitions and defines.
  *
diff --git a/arch/sparc/include/asm/sbi.h b/arch/sparc/include/asm/sbi.h
index 5eb7f1965d33..4d6026c1e446 100644
--- a/arch/sparc/include/asm/sbi.h
+++ b/arch/sparc/include/asm/sbi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sbi.h:  SBI (Sbus Interface on sun4d) definitions
  *
diff --git a/arch/sparc/include/asm/scratchpad.h b/arch/sparc/include/asm/scratchpad.h
index 5e8b01fb3343..958351190788 100644
--- a/arch/sparc/include/asm/scratchpad.h
+++ b/arch/sparc/include/asm/scratchpad.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_SCRATCHPAD_H
 #define _SPARC64_SCRATCHPAD_H
 
diff --git a/arch/sparc/include/asm/seccomp.h b/arch/sparc/include/asm/seccomp.h
index 5ef8826d44f8..62d4579efb1a 100644
--- a/arch/sparc/include/asm/seccomp.h
+++ b/arch/sparc/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SECCOMP_H
 #define _ASM_SECCOMP_H
 
diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h
index f300d1a9b2b6..08f833453ab3 100644
--- a/arch/sparc/include/asm/sections.h
+++ b/arch/sparc/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_SECTIONS_H
 #define __SPARC_SECTIONS_H
 
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 8b32538084f7..72205684e51e 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Just a place holder.
  */
diff --git a/arch/sparc/include/asm/sfafsr.h b/arch/sparc/include/asm/sfafsr.h
index e96137b04a4f..9c98f4fc8839 100644
--- a/arch/sparc/include/asm/sfafsr.h
+++ b/arch/sparc/include/asm/sfafsr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_SFAFSR_H
 #define _SPARC64_SFAFSR_H
 
diff --git a/arch/sparc/include/asm/sfp-machine.h b/arch/sparc/include/asm/sfp-machine.h
index 4ebc3823ed4f..4a247b40573c 100644
--- a/arch/sparc/include/asm/sfp-machine.h
+++ b/arch/sparc/include/asm/sfp-machine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_SFP_MACHINE_H
 #define ___ASM_SPARC_SFP_MACHINE_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/shmparam.h b/arch/sparc/include/asm/shmparam.h
index 8bf0cfe0694f..951a4525fa4b 100644
--- a/arch/sparc/include/asm/shmparam.h
+++ b/arch/sparc/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_SHMPARAM_H
 #define ___ASM_SPARC_SHMPARAM_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/shmparam_32.h b/arch/sparc/include/asm/shmparam_32.h
index 142825c8d3ac..9767a8b30242 100644
--- a/arch/sparc/include/asm/shmparam_32.h
+++ b/arch/sparc/include/asm/shmparam_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMSPARC_SHMPARAM_H
 #define _ASMSPARC_SHMPARAM_H
 
diff --git a/arch/sparc/include/asm/shmparam_64.h b/arch/sparc/include/asm/shmparam_64.h
index 1ed0d6701a9b..c0731b57124c 100644
--- a/arch/sparc/include/asm/shmparam_64.h
+++ b/arch/sparc/include/asm/shmparam_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASMSPARC64_SHMPARAM_H
 #define _ASMSPARC64_SHMPARAM_H
 
diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h
index f4eb630a58ed..ee05f9d2bcf2 100644
--- a/arch/sparc/include/asm/sigcontext.h
+++ b/arch/sparc/include/asm/sigcontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_SIGCONTEXT_H
 #define __SPARC_SIGCONTEXT_H
 
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
index c33ce3f2ba84..827b73a97f8a 100644
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_SIGNAL_H
 #define __SPARC_SIGNAL_H
 
diff --git a/arch/sparc/include/asm/smp.h b/arch/sparc/include/asm/smp.h
index b59672d0e19b..dea59f6ce79f 100644
--- a/arch/sparc/include/asm/smp.h
+++ b/arch/sparc/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_SMP_H
 #define ___ASM_SPARC_SMP_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 7c24e08a88d2..856081761b0f 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* smp.h: Sparc specific SMP stuff.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index a75089285db8..e75783b6abc4 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* smp.h: Sparc64 specific SMP stuff.
  *
  * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/sparsemem.h b/arch/sparc/include/asm/sparsemem.h
index e5e1752d5d78..1dd1b61432db 100644
--- a/arch/sparc/include/asm/sparsemem.h
+++ b/arch/sparc/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_SPARSEMEM_H
 #define _SPARC64_SPARSEMEM_H
 
diff --git a/arch/sparc/include/asm/spinlock.h b/arch/sparc/include/asm/spinlock.h
index f276b0036b2c..3f4ce55bc4d6 100644
--- a/arch/sparc/include/asm/spinlock.h
+++ b/arch/sparc/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_SPINLOCK_H
 #define ___ASM_SPARC_SPINLOCK_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index 67345b2dc408..26f00ac2b470 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* spinlock.h: 32-bit Sparc spinlock support.
  *
  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index f7028f5e1a5a..4822a7e94a30 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* spinlock.h: 64-bit Sparc spinlock support.
  *
  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h
index bce8ef44dfa9..ed1d569b638e 100644
--- a/arch/sparc/include/asm/spinlock_types.h
+++ b/arch/sparc/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_SPINLOCK_TYPES_H
 #define __SPARC_SPINLOCK_TYPES_H
 
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 1b1286d05069..e9b7d25b29fa 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* spitfire.h: SpitFire/BlackBird/Cheetah inline MMU operations.
  *
  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/stacktrace.h b/arch/sparc/include/asm/stacktrace.h
index c30d066f3048..556ec5d59c88 100644
--- a/arch/sparc/include/asm/stacktrace.h
+++ b/arch/sparc/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_STACKTRACE_H
 #define _SPARC64_STACKTRACE_H
 
diff --git a/arch/sparc/include/asm/starfire.h b/arch/sparc/include/asm/starfire.h
index 176fa0ad19f1..fb1a8c499cb0 100644
--- a/arch/sparc/include/asm/starfire.h
+++ b/arch/sparc/include/asm/starfire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * starfire.h: Group all starfire specific code together.
  *
diff --git a/arch/sparc/include/asm/string.h b/arch/sparc/include/asm/string.h
index 86f34be14ce0..3d9cd082716b 100644
--- a/arch/sparc/include/asm/string.h
+++ b/arch/sparc/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_STRING_H
 #define ___ASM_SPARC_STRING_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 649412476a69..f488946bd7d6 100644
--- a/arch/sparc/include/asm/string_32.h
+++ b/arch/sparc/include/asm/string_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * string.h: External definitions for optimized assembly string
  *           routines for the Linux Kernel.
diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h
index 6b9ccb308605..ee9ba67321bd 100644
--- a/arch/sparc/include/asm/string_64.h
+++ b/arch/sparc/include/asm/string_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * string.h: External definitions for optimized assembly string
  *           routines for the Linux Kernel.
diff --git a/arch/sparc/include/asm/sunbpp.h b/arch/sparc/include/asm/sunbpp.h
index d81a02eaf78b..55de4da70dff 100644
--- a/arch/sparc/include/asm/sunbpp.h
+++ b/arch/sparc/include/asm/sunbpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/asm/sunbpp.h
  */
diff --git a/arch/sparc/include/asm/swift.h b/arch/sparc/include/asm/swift.h
index e535061bf755..96f6526b964e 100644
--- a/arch/sparc/include/asm/swift.h
+++ b/arch/sparc/include/asm/swift.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* swift.h: Specific definitions for the _broken_ Swift SRMMU
  *          MMU module.
  *
diff --git a/arch/sparc/include/asm/switch_to.h b/arch/sparc/include/asm/switch_to.h
index 2dc4fa5c6f8c..7cf1c5dc734c 100644
--- a/arch/sparc/include/asm/switch_to.h
+++ b/arch/sparc/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_SWITCH_TO_H
 #define ___ASM_SPARC_SWITCH_TO_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/switch_to_32.h b/arch/sparc/include/asm/switch_to_32.h
index 475dd4158ae4..42eeafcb8a41 100644
--- a/arch/sparc/include/asm/switch_to_32.h
+++ b/arch/sparc/include/asm/switch_to_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_SWITCH_TO_H
 #define __SPARC_SWITCH_TO_H
 
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index 10e76332dc99..4ff29b1406a9 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC64_SWITCH_TO_64_H
 #define __SPARC64_SWITCH_TO_64_H
 
diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h
index 1757cd6c521b..053989e3f6a6 100644
--- a/arch/sparc/include/asm/syscall.h
+++ b/arch/sparc/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPARC_SYSCALL_H
 #define __ASM_SPARC_SYSCALL_H
 
diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h
index b0a0db8ea61a..1d819f5e21da 100644
--- a/arch/sparc/include/asm/syscalls.h
+++ b/arch/sparc/include/asm/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_SYSCALLS_H
 #define _SPARC64_SYSCALLS_H
 
diff --git a/arch/sparc/include/asm/termbits.h b/arch/sparc/include/asm/termbits.h
index 948067065ac5..fa9de4a46d36 100644
--- a/arch/sparc/include/asm/termbits.h
+++ b/arch/sparc/include/asm/termbits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_TERMBITS_H
 #define _SPARC_TERMBITS_H
 
diff --git a/arch/sparc/include/asm/termios.h b/arch/sparc/include/asm/termios.h
index 0c2414ddd52c..4a558efdfa93 100644
--- a/arch/sparc/include/asm/termios.h
+++ b/arch/sparc/include/asm/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_TERMIOS_H
 #define _SPARC_TERMIOS_H
 
diff --git a/arch/sparc/include/asm/thread_info.h b/arch/sparc/include/asm/thread_info.h
index 122d7acc07e6..740b1743ed8c 100644
--- a/arch/sparc/include/asm/thread_info.h
+++ b/arch/sparc/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_THREAD_INFO_H
 #define ___ASM_SPARC_THREAD_INFO_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 229475f0d7ce..febaaeb1a0fe 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * thread_info.h: sparc low-level thread information
  * adapted from the ppc version by Pete Zaitcev, which was
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 38a24f257b85..caf915321ba9 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: sparc64 low-level thread information
  *
  * Copyright (C) 2002  David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/include/asm/timer.h b/arch/sparc/include/asm/timer.h
index 612fd2779d9e..eaf6195d17e2 100644
--- a/arch/sparc/include/asm/timer.h
+++ b/arch/sparc/include/asm/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_TIMER_H
 #define ___ASM_SPARC_TIMER_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h
index f8e708a0aa58..eecd2696922d 100644
--- a/arch/sparc/include/asm/timer_32.h
+++ b/arch/sparc/include/asm/timer_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * timer.h:  Definitions for the timer chips on the Sparc.
  *
diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h
index 51bc3bc54bfe..c7e4fb601a57 100644
--- a/arch/sparc/include/asm/timer_64.h
+++ b/arch/sparc/include/asm/timer_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* timer.h: System timer definitions for sun5.
  *
  * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/include/asm/timex.h b/arch/sparc/include/asm/timex.h
index 70cc37b73827..9aac26b1f45f 100644
--- a/arch/sparc/include/asm/timex.h
+++ b/arch/sparc/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_TIMEX_H
 #define ___ASM_SPARC_TIMEX_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/timex_32.h b/arch/sparc/include/asm/timex_32.h
index b6ccdb0d6f7d..542915b46209 100644
--- a/arch/sparc/include/asm/timex_32.h
+++ b/arch/sparc/include/asm/timex_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm/timex.h
  *
diff --git a/arch/sparc/include/asm/timex_64.h b/arch/sparc/include/asm/timex_64.h
index 18b30bc9823b..076c44f6845d 100644
--- a/arch/sparc/include/asm/timex_64.h
+++ b/arch/sparc/include/asm/timex_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm/timex.h
  *
diff --git a/arch/sparc/include/asm/tlb.h b/arch/sparc/include/asm/tlb.h
index 92d0393bbcdc..7146a577257f 100644
--- a/arch/sparc/include/asm/tlb.h
+++ b/arch/sparc/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_TLB_H
 #define ___ASM_SPARC_TLB_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/tlb_32.h b/arch/sparc/include/asm/tlb_32.h
index 6d02d1ce53f3..343cea19e573 100644
--- a/arch/sparc/include/asm/tlb_32.h
+++ b/arch/sparc/include/asm/tlb_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_TLB_H
 #define _SPARC_TLB_H
 
diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h
index 4cb392f75d2b..a2f3fa61ee36 100644
--- a/arch/sparc/include/asm/tlb_64.h
+++ b/arch/sparc/include/asm/tlb_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_TLB_H
 #define _SPARC64_TLB_H
 
diff --git a/arch/sparc/include/asm/tlbflush.h b/arch/sparc/include/asm/tlbflush.h
index 2c9629fad1e2..30ae3ea21054 100644
--- a/arch/sparc/include/asm/tlbflush.h
+++ b/arch/sparc/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_TLBFLUSH_H
 #define ___ASM_SPARC_TLBFLUSH_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/tlbflush_32.h b/arch/sparc/include/asm/tlbflush_32.h
index a5c4142130f5..470531991a08 100644
--- a/arch/sparc/include/asm/tlbflush_32.h
+++ b/arch/sparc/include/asm/tlbflush_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_TLBFLUSH_H
 #define _SPARC_TLBFLUSH_H
 
diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h
index 54be88a6774c..8b8cdaa69272 100644
--- a/arch/sparc/include/asm/tlbflush_64.h
+++ b/arch/sparc/include/asm/tlbflush_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_TLBFLUSH_H
 #define _SPARC64_TLBFLUSH_H
 
diff --git a/arch/sparc/include/asm/topology.h b/arch/sparc/include/asm/topology.h
index ee4f191d394a..ba7b9d9d91cf 100644
--- a/arch/sparc/include/asm/topology.h
+++ b/arch/sparc/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_TOPOLOGY_H
 #define ___ASM_SPARC_TOPOLOGY_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/topology_32.h b/arch/sparc/include/asm/topology_32.h
index ee5ac9c9da28..66c4f9ff700d 100644
--- a/arch/sparc/include/asm/topology_32.h
+++ b/arch/sparc/include/asm/topology_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_TOPOLOGY_H
 #define _ASM_SPARC_TOPOLOGY_H
 
diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
index ad5293f89680..3831b1911a19 100644
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC64_TOPOLOGY_H
 #define _ASM_SPARC64_TOPOLOGY_H
 
diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h
index dfc538609eb2..6a4c8652ad67 100644
--- a/arch/sparc/include/asm/trap_block.h
+++ b/arch/sparc/include/asm/trap_block.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_TRAP_BLOCK_H
 #define _SPARC_TRAP_BLOCK_H
 
diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h
index 51abcb1f9b3b..2fba2602ba69 100644
--- a/arch/sparc/include/asm/traps.h
+++ b/arch/sparc/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * traps.h:  Format of entries for the Sparc trap table.
  *
diff --git a/arch/sparc/include/asm/tsb.h b/arch/sparc/include/asm/tsb.h
index acf55063aa3d..25b6abdb3908 100644
--- a/arch/sparc/include/asm/tsb.h
+++ b/arch/sparc/include/asm/tsb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_TSB_H
 #define _SPARC64_TSB_H
 
diff --git a/arch/sparc/include/asm/tsunami.h b/arch/sparc/include/asm/tsunami.h
index 5bbd1d523baa..acaf014eff46 100644
--- a/arch/sparc/include/asm/tsunami.h
+++ b/arch/sparc/include/asm/tsunami.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * tsunami.h:  Module specific definitions for Tsunami V8 Sparcs
  *
diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h
index 82e7df296abc..ede2b66cf4a0 100644
--- a/arch/sparc/include/asm/ttable.h
+++ b/arch/sparc/include/asm/ttable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_TTABLE_H
 #define _SPARC64_TTABLE_H
 
diff --git a/arch/sparc/include/asm/turbosparc.h b/arch/sparc/include/asm/turbosparc.h
index 17c73282db0a..23df777f9cea 100644
--- a/arch/sparc/include/asm/turbosparc.h
+++ b/arch/sparc/include/asm/turbosparc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * turbosparc.h:  Defines specific to the TurboSparc module.
  *            This is SRMMU stuff.
diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
index 9e068bf9060a..dd85bc2c2cad 100644
--- a/arch/sparc/include/asm/uaccess.h
+++ b/arch/sparc/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_UACCESS_H
 #define ___ASM_SPARC_UACCESS_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index bdb1447aa1bb..de71c65b99f0 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * uaccess.h: User space memore access functions.
  *
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 6d4c997d1a9e..cbb308cee394 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UACCESS_H
 #define _ASM_UACCESS_H
 
diff --git a/arch/sparc/include/asm/unaligned.h b/arch/sparc/include/asm/unaligned.h
index 11d2d5fb5902..7971d89d2f54 100644
--- a/arch/sparc/include/asm/unaligned.h
+++ b/arch/sparc/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPARC_UNALIGNED_H
 #define _ASM_SPARC_UNALIGNED_H
 
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 0aac1e8f2968..b2a6a955113e 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * System calls under the Sparc.
  *
diff --git a/arch/sparc/include/asm/upa.h b/arch/sparc/include/asm/upa.h
index 5b1633223f92..782691b30f54 100644
--- a/arch/sparc/include/asm/upa.h
+++ b/arch/sparc/include/asm/upa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_UPA_H
 #define _SPARC64_UPA_H
 
diff --git a/arch/sparc/include/asm/vaddrs.h b/arch/sparc/include/asm/vaddrs.h
index c3dbcf902034..84d054b07a6f 100644
--- a/arch/sparc/include/asm/vaddrs.h
+++ b/arch/sparc/include/asm/vaddrs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC_VADDRS_H
 #define _SPARC_VADDRS_H
 
diff --git a/arch/sparc/include/asm/vga.h b/arch/sparc/include/asm/vga.h
index f54e8b6fb197..2952d667d936 100644
--- a/arch/sparc/include/asm/vga.h
+++ b/arch/sparc/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/sparc/include/asm/viking.h b/arch/sparc/include/asm/viking.h
index 989930aeb093..0bbefd184221 100644
--- a/arch/sparc/include/asm/viking.h
+++ b/arch/sparc/include/asm/viking.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * viking.h:  Defines specific to the GNU/Viking MBUS module.
  *            This is SRMMU stuff.
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index f3d4ac232690..059f0eb678e0 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_VIO_H
 #define _SPARC64_VIO_H
 
diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h
index 6424249d5f78..7903e84e09e0 100644
--- a/arch/sparc/include/asm/visasm.h
+++ b/arch/sparc/include/asm/visasm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_VISASM_H
 #define _SPARC64_VISASM_H
 
diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h
index 9b7b21764cde..b6e911f5d93c 100644
--- a/arch/sparc/include/asm/winmacro.h
+++ b/arch/sparc/include/asm/winmacro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * winmacro.h: Window loading-unloading macros.
  *
diff --git a/arch/sparc/include/asm/xor.h b/arch/sparc/include/asm/xor.h
index 8ed591c7db2d..f4c651e203c4 100644
--- a/arch/sparc/include/asm/xor.h
+++ b/arch/sparc/include/asm/xor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___ASM_SPARC_XOR_H
 #define ___ASM_SPARC_XOR_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index aac609889ee4..8de9617589a5 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # Makefile for the linux kernel.
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index c988e7fa069b..ecd05bc0a104 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* apc - Driver implementation for power management functions
  * of Aurora Personality Chip (APC) on SPARCstation-4/5 and
  * derivatives.
diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c
index 3f09e1c83f58..5784f2df489a 100644
--- a/arch/sparc/kernel/asm-offsets.c
+++ b/arch/sparc/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This program is used to generate definitions needed by
  * assembly language modules.
diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c
index 2585c1e14bcc..a6e91bf34d48 100644
--- a/arch/sparc/kernel/audit.c
+++ b/arch/sparc/kernel/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index ae88c223e4d3..a32d588174f2 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* auxio.c: Probing for the Sparc AUXIO register at boot time.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index 086435c17981..4e8f56c3793c 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* auxio.c: Probing for the Sparc AUXIO register at boot time.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c
index 987f7ec497cc..5869773f3dc4 100644
--- a/arch/sparc/kernel/btext.c
+++ b/arch/sparc/kernel/btext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Procedures for drawing on the screen early on in the boot process.
  *
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 4696958299e9..38ae4fdc9eb4 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* central.c: Central FHC driver for Sunfire/Starfire/Wildfire.
  *
  * Copyright (C) 1997, 1999, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S
index 655628def68e..7f3d3d264390 100644
--- a/arch/sparc/kernel/cherrs.S
+++ b/arch/sparc/kernel/cherrs.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* These get patched into the trap table at boot time
 	 * once we know we have a cheetah processor.
 	 */
diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c
index e5611cd428f1..10eeb4f15b20 100644
--- a/arch/sparc/kernel/compat_audit.c
+++ b/arch/sparc/kernel/compat_audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define __32bit_syscall_numbers__
 #include <asm/unistd.h>
 #include "kernel.h"
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index ef4f18f7a674..4401dee30018 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* cpu.c: Dinky routines to look for the kind of Sparc cpu
  *        we are on.
  *
diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c
index 90d550bbfeef..d1d52822603d 100644
--- a/arch/sparc/kernel/cpumap.c
+++ b/arch/sparc/kernel/cpumap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* cpumap.c: used for optimizing CPU assignment
  *
  * Copyright (C) 2009 Hong H. Pham <hong.pham@windriver.com>
diff --git a/arch/sparc/kernel/cpumap.h b/arch/sparc/kernel/cpumap.h
index 9dac398c434a..7d5b774862e7 100644
--- a/arch/sparc/kernel/cpumap.h
+++ b/arch/sparc/kernel/cpumap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CPUMAP_H
 #define _CPUMAP_H
 
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index 8d5d09f09caf..23b6e50d4ada 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* devices.c: Initial scan of the prom device tree for important
  *	      Sparc device nodes which we need to find.
  *
diff --git a/arch/sparc/kernel/dma.c b/arch/sparc/kernel/dma.c
index b667aa6f28f6..f73e7597c971 100644
--- a/arch/sparc/kernel/dma.c
+++ b/arch/sparc/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-debug.h>
diff --git a/arch/sparc/kernel/dtlb_miss.S b/arch/sparc/kernel/dtlb_miss.S
index 09a6a15a7105..fb9c788437b0 100644
--- a/arch/sparc/kernel/dtlb_miss.S
+++ b/arch/sparc/kernel/dtlb_miss.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* DTLB ** ICACHE line 1: Context 0 check and TSB load	*/
 	ldxa	[%g0] ASI_DMMU_TSB_8KB_PTR, %g1	! Get TSB 8K pointer
 	ldxa	[%g0] ASI_DMMU, %g6		! Get TAG TARGET
diff --git a/arch/sparc/kernel/dtlb_prot.S b/arch/sparc/kernel/dtlb_prot.S
index 4087a62f96b0..9f945771bbd1 100644
--- a/arch/sparc/kernel/dtlb_prot.S
+++ b/arch/sparc/kernel/dtlb_prot.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dtlb_prot.S: DTLB protection trap strategy.
  *              This is included directly into the trap table.
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index acf8314cec48..264b186478f3 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ebus.c: EBUS DMA library code.
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index d85bdb999819..358fe4ef08a2 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* arch/sparc/kernel/entry.S:  Sparc trap low-level entry points.
  *
  * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index 0f679421b468..7378567b601f 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ENTRY_H
 #define _ENTRY_H
 
diff --git a/arch/sparc/kernel/etrap_32.S b/arch/sparc/kernel/etrap_32.S
index e3e80d65e39a..9f243f918619 100644
--- a/arch/sparc/kernel/etrap_32.S
+++ b/arch/sparc/kernel/etrap_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * etrap.S: Sparc trap window preparation for entry into the
  *          Linux kernel.
diff --git a/arch/sparc/kernel/etrap_64.S b/arch/sparc/kernel/etrap_64.S
index 5c237467d156..5c77a2e0e991 100644
--- a/arch/sparc/kernel/etrap_64.S
+++ b/arch/sparc/kernel/etrap_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * etrap.S: Preparing for entry into the kernel on Sparc V9.
  *
diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S
index 336d2750fe78..051659e29c7a 100644
--- a/arch/sparc/kernel/fpu_traps.S
+++ b/arch/sparc/kernel/fpu_traps.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* This is trivial with the new code... */
 	.globl		do_fpdis
 	.type		do_fpdis,#function
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index cec54dc4ab81..915dda4ae412 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/spinlock.h>
 #include <linux/hardirq.h>
 #include <linux/ftrace.h>
diff --git a/arch/sparc/kernel/getsetcc.S b/arch/sparc/kernel/getsetcc.S
index a14d272d2061..181e09fd1c55 100644
--- a/arch/sparc/kernel/getsetcc.S
+++ b/arch/sparc/kernel/getsetcc.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.globl		getcc
 	.type		getcc,#function
 getcc:
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index 7274e43ff9be..e55f2c075165 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * head.S: The initial boot code for the Sparc port of Linux.
  *
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 4de9fbd1a177..9e293de12052 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* head.S: Initial boot code for the Sparc64 port of Linux.
  *
  * Copyright (C) 1996, 1997, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/hvapi.c b/arch/sparc/kernel/hvapi.c
index d41ce33d87d6..a2bc1b2955b4 100644
--- a/arch/sparc/kernel/hvapi.c
+++ b/arch/sparc/kernel/hvapi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* hvapi.c: Hypervisor API management.
  *
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index e57007ff7f8f..bdfd3d8c6707 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* %o0: devhandle
 	 * %o1:	devino
 	 *
diff --git a/arch/sparc/kernel/hvtramp.S b/arch/sparc/kernel/hvtramp.S
index cdbfec299f2f..f39220471b65 100644
--- a/arch/sparc/kernel/hvtramp.S
+++ b/arch/sparc/kernel/hvtramp.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* hvtramp.S: Hypervisor start-cpu trampoline code.
  *
  * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c
index f95dd11b75ea..d6c46d512220 100644
--- a/arch/sparc/kernel/idprom.c
+++ b/arch/sparc/kernel/idprom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * idprom.c: Routines to load the idprom into kernel addresses and
  *           interpret the data contained within.
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index fcbcc031f615..b08dc3416f06 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* iommu.c: Generic sparc64 IOMMU support.
  *
  * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/iommu_common.h b/arch/sparc/kernel/iommu_common.h
index 5ea5c192b1d9..e3c02ba32500 100644
--- a/arch/sparc/kernel/iommu_common.h
+++ b/arch/sparc/kernel/iommu_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* iommu_common.h: UltraSparc SBUS/PCI common iommu declarations.
  *
  * Copyright (C) 1999, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 12894f259bea..7eeef80c02f7 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ioport.c:  Simple io mapping allocator.
  *
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index 70a0b8ddd0ba..b02026ad6e34 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/platform_device.h>
 
 #include <asm/cpu_type.h>
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index cac4a5554c0e..e8452be5123b 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Interrupt request handling routines. On the
  * Sparc the IRQs are basically 'cast in stone'
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 99dd133a029f..d66dde833f5e 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* irq.c: UltraSparc IRQ handling/init/registry.
  *
  * Copyright (C) 1997, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/itlb_miss.S b/arch/sparc/kernel/itlb_miss.S
index 5a8377b54955..5a5d92482e8d 100644
--- a/arch/sparc/kernel/itlb_miss.S
+++ b/arch/sparc/kernel/itlb_miss.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ITLB ** ICACHE line 1: Context 0 check and TSB load	*/
 	ldxa	[%g0] ASI_IMMU_TSB_8KB_PTR, %g1	! Get TSB 8K pointer
 	ldxa	[%g0] ASI_IMMU, %g6		! Get TAG TARGET
diff --git a/arch/sparc/kernel/ivec.S b/arch/sparc/kernel/ivec.S
index d29f92ebca5e..94ba2c3a29c1 100644
--- a/arch/sparc/kernel/ivec.S
+++ b/arch/sparc/kernel/ivec.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* The registers for cross calls will be:
 	 *
 	 * DATA 0: [low 32-bits]  Address of function to call, jmp to this
diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c
index 93adde1ac166..7f8eac51df33 100644
--- a/arch/sparc/kernel/jump_label.c
+++ b/arch/sparc/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/mutex.h>
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index b625db4cfb78..ddffd368e057 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPARC_KERNEL_H
 #define __SPARC_KERNEL_H
 
diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c
index 6e8e318c57be..5868fc333ea8 100644
--- a/arch/sparc/kernel/kgdb_32.c
+++ b/arch/sparc/kernel/kgdb_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* kgdb.c: KGDB support for 32-bit sparc.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index cbf21d0870e0..d5f7dc6323d5 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* kgdb.c: KGDB support for 64-bit sparc.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index 2d13a4fc0384..ab4ba4347941 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* arch/sparc64/kernel/kprobes.c
  *
  * Copyright (C) 2004 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/kstack.h b/arch/sparc/kernel/kstack.h
index 53dfb92e09fb..b3c5e8f2443a 100644
--- a/arch/sparc/kernel/kstack.h
+++ b/arch/sparc/kernel/kstack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KSTACK_H
 #define _KSTACK_H
 
diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S
index f22bec0db645..1cf91c05e275 100644
--- a/arch/sparc/kernel/ktlb.S
+++ b/arch/sparc/kernel/ktlb.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling.
  *
  * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index acffbc894ab0..86b625f9d8dc 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ldc.c: Logical Domain Channel link-layer protocol driver.
  *
  * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index afcdd5e4f43f..84b233752f28 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
  * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB
diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index 98c223edac84..15b59169c535 100644
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * leon_pci.c: LEON Host PCI support
  *
diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
index 83ba5005d44c..e6935d0ac1ec 100644
--- a/arch/sparc/kernel/leon_pci_grpci1.c
+++ b/arch/sparc/kernel/leon_pci_grpci1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * leon_pci_grpci1.c: GRPCI1 Host PCI driver
  *
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index ff0e5c90310f..ca22f93d9045 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * leon_pci_grpci2.c: GRPCI2 Host PCI driver
  *
diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c
index ddcf950282ed..065e2d4b7290 100644
--- a/arch/sparc/kernel/leon_pmc.c
+++ b/arch/sparc/kernel/leon_pmc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* leon_pmc.c: LEON Power-down cpu_idle() handler
  *
  * Copyright (C) 2011 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index db7acf27bea2..da6f1486318e 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* leon_smp.c: Sparc-Leon SMP support.
  *
  * based on sun4m_smp.c
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index fa466ce45bc9..1ef6156b1530 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* mdesc.c: Sun4V machine description handling.
  *
  * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S
index 9276d2f0dd86..b5c84177521e 100644
--- a/arch/sparc/kernel/misctrap.S
+++ b/arch/sparc/kernel/misctrap.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_KGDB
 	.globl		arch_kgdb_breakpoint
 	.type		arch_kgdb_breakpoint,#function
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 192a617a32f3..df39580f398d 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Kernel module help for sparc64.
  *
  * Copyright (C) 2001 Rusty Russell.
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 185aa96fa5be..3641a294ed54 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 7bbdc26d9512..44e4d4435bed 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
diff --git a/arch/sparc/kernel/of_device_common.h b/arch/sparc/kernel/of_device_common.h
index cdfd23992841..3d66230c61b6 100644
--- a/arch/sparc/kernel/of_device_common.h
+++ b/arch/sparc/kernel/of_device_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OF_DEVICE_COMMON_H
 #define _OF_DEVICE_COMMON_H
 
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 3f8670c92951..220d0f36560a 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci.c: UltraSparc PCI controller support.
  *
  * Copyright (C) 1997, 1998, 1999 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 33524c1d5328..1e10fb26fa88 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_common.c: PCI controller common support.
  *
  * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 11a1f0d289d2..be71ae086622 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_fire.c: Sun4u platform PCI-E controller support.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index 37222ca849df..ac172961d276 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* pci_impl.h: Helper definitions for PCI controller support.
  *
  * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index 84e16d81a6d8..1994d7638406 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_msi.c: Sparc64 MSI support common layer.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 7dce27b3c761..f413371da387 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_psycho.c: PSYCHO/U2P specific PCI controller support.
  *
  * Copyright (C) 1997, 1998, 1999, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 00a616ffa35b..8107286be9ab 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_sabre.c: Sabre specific PCI controller support.
  *
  * Copyright (C) 1997, 1998, 1999, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c
index c664d3e3aa8d..934b97c72f7c 100644
--- a/arch/sparc/kernel/pci_schizo.c
+++ b/arch/sparc/kernel/pci_schizo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_schizo.c: SCHIZO/TOMATILLO specific PCI controller support.
  *
  * Copyright (C) 2001, 2002, 2003, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 9ebebf1fd93d..249367228c33 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pci_sun4v.c: SUN4V specific PCI controller support.
  *
  * Copyright (C) 2006, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_sun4v.h b/arch/sparc/kernel/pci_sun4v.h
index 22603a4e48bf..d47263a9901a 100644
--- a/arch/sparc/kernel/pci_sun4v.h
+++ b/arch/sparc/kernel/pci_sun4v.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* pci_sun4v.h: SUN4V specific PCI controller support.
  *
  * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/pci_sun4v_asm.S b/arch/sparc/kernel/pci_sun4v_asm.S
index 578f09657916..2b8051871a15 100644
--- a/arch/sparc/kernel/pci_sun4v_asm.S
+++ b/arch/sparc/kernel/pci_sun4v_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* pci_sun4v_asm: Hypervisor calls for PCI support.
  *
  * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 4a133c052af8..22f8774977d5 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * pcic.c: MicroSPARC-IIep PCI controller support
  *
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 710f3278d448..5c1f54758312 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Performance event support for sparc64.
  *
  * Copyright (C) 2009, 2010 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c
index 3b26cf62df6d..b5c1eb33b951 100644
--- a/arch/sparc/kernel/pmc.c
+++ b/arch/sparc/kernel/pmc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* pmc - Driver implementation for power management functions
  * of Power Management Controller (PMC) on SPARCstation-Voyager.
  *
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index 4b60f385c98f..92627abce311 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* power.c: Power management driver.
  *
  * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 9245f93398c7..d9662cf7e648 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*  linux/arch/sparc/kernel/process.c
  *
  *  Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 44e5da405f96..318efd784a0b 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*  arch/sparc64/kernel/process.c
  *
  *  Copyright (C) 1995, 1996, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index 890281b12b28..26a1cca7c761 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PROM_H
 #define __PROM_H
 
diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c
index 40e4936bd479..f3fecac7facb 100644
--- a/arch/sparc/kernel/prom_irqtrans.c
+++ b/arch/sparc/kernel/prom_irqtrans.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c
index 8db48e808ed4..81aa91e5c0e6 100644
--- a/arch/sparc/kernel/psycho_common.c
+++ b/arch/sparc/kernel/psycho_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* psycho_common.c: Code common to PSYCHO and derivative PCI controllers.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h
index 05a6e30a928e..6925231c50e4 100644
--- a/arch/sparc/kernel/psycho_common.h
+++ b/arch/sparc/kernel/psycho_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PSYCHO_COMMON_H
 #define _PSYCHO_COMMON_H
 
diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c
index eca3dc76793c..16b50afe7b52 100644
--- a/arch/sparc/kernel/ptrace_32.c
+++ b/arch/sparc/kernel/ptrace_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ptrace.c: Sparc process tracing support.
  *
  * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/reboot.c b/arch/sparc/kernel/reboot.c
index eba7d918162a..7933ee365207 100644
--- a/arch/sparc/kernel/reboot.c
+++ b/arch/sparc/kernel/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* reboot.c: reboot/shutdown/halt/poweroff handling
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/rtrap_32.S b/arch/sparc/kernel/rtrap_32.S
index 6c34de0c2abd..dca8ed810046 100644
--- a/arch/sparc/kernel/rtrap_32.S
+++ b/arch/sparc/kernel/rtrap_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * rtrap.S: Return from Sparc trap low-level code.
  *
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index dff86fad0a1f..0b21042ab181 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * rtrap.S: Preparing for return from trap on Sparc V9.
  *
diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index be5bdf93c767..c133dfc37c5c 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sbus.c: UltraSparc SBUS controller support.
  *
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 6722308d1a98..2e3a3e203061 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/sparc/kernel/setup.c
  *
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index db4c4d7e28a0..34f7a533a74f 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/sparc64/kernel/setup.c
  *
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 0e4c08c45a37..5c572de64c74 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*  arch/sparc64/kernel/signal32.c
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 62c3e255ae7c..5665261cee37 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*  linux/arch/sparc/kernel/signal.c
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 965d50e833e7..20426a1c28f2 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/sparc64/kernel/signal.c
  *
diff --git a/arch/sparc/kernel/sigutil.h b/arch/sparc/kernel/sigutil.h
index d223aa432bb6..21d332d8bddd 100644
--- a/arch/sparc/kernel/sigutil.h
+++ b/arch/sparc/kernel/sigutil.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SIGUTIL_H
 #define _SIGUTIL_H
 
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c
index e5fe8cef9a69..1e9fae56a853 100644
--- a/arch/sparc/kernel/sigutil_32.c
+++ b/arch/sparc/kernel/sigutil_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/thread_info.h>
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
index 36aadcbeac69..512e4639e4a1 100644
--- a/arch/sparc/kernel/sigutil_64.c
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/thread_info.h>
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index e80e6ba3d500..e078680a1768 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* smp.c: Sparc SMP support.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 4898329970c5..c50182cd2f64 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* smp.c: Sparc64 SMP support.
  *
  * Copyright (C) 1997, 2007, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S
index d7e540842809..5427af44099a 100644
--- a/arch/sparc/kernel/spiterrs.S
+++ b/arch/sparc/kernel/spiterrs.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* We need to carefully read the error status, ACK the errors,
 	 * prevent recursive traps, and pass the information on to C
 	 * code for logging.
diff --git a/arch/sparc/kernel/sstate.c b/arch/sparc/kernel/sstate.c
index 3caed4023589..ac8677c3841e 100644
--- a/arch/sparc/kernel/sstate.c
+++ b/arch/sparc/kernel/sstate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* sstate.c: System soft state support.
  *
  * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/starfire.c b/arch/sparc/kernel/starfire.c
index 167fdfd9c837..b8cd57d9182b 100644
--- a/arch/sparc/kernel/starfire.c
+++ b/arch/sparc/kernel/starfire.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * starfire.c: Starfire/E10000 support.
  *
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index a87d0e47c168..d869d409fce6 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SS1000/SC2000 interrupt handling.
  *
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index af93b50e3ce4..ff30f03beb7c 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Sparc SS1000/SC2000 SMP support.
  *
  * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index aa84da0b2d30..c01767a0480e 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sun4m irq support
  *
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 5547fcb1d72d..228a6527082d 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  sun4m SMP support.
  *
diff --git a/arch/sparc/kernel/sun4v_ivec.S b/arch/sparc/kernel/sun4v_ivec.S
index 34631995859a..6478ef4f6a15 100644
--- a/arch/sparc/kernel/sun4v_ivec.S
+++ b/arch/sparc/kernel/sun4v_ivec.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sun4v_ivec.S: Sun4v interrupt vector handling.
  *
  * Copyright (C) 2006 <davem@davemloft.net>
diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S
index c19f352f46c7..7ac9f3367674 100644
--- a/arch/sparc/kernel/sun4v_tlb_miss.S
+++ b/arch/sparc/kernel/sun4v_tlb_miss.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sun4v_tlb_miss.S: Sun4v TLB miss handlers.
  *
  * Copyright (C) 2006 <davem@davemloft.net>
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index f834224208ed..7e7011a1e712 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sys32.S: I-cache tricks for 32-bit compatibility layer simple
  *          conversions.
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index bca44f3e6b86..b4e1478413a1 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* sys_sparc32.c: Conversion between 32bit and 64bit native syscalls.
  *
  * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 7aecb239626d..990703b7cf4d 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* linux/arch/sparc/kernel/sys_sparc.c
  *
  * This file contains various random system calls that
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 043544d0cda3..55416db482ad 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* linux/arch/sparc64/kernel/sys_sparc.c
  *
  * This file contains various random system calls that
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index c4a1b5c40e4e..c5f9ec8c52eb 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	/* SunOS's execv() call only specifies the argv argument, the
 	 * environment settings are the same as the calling processes.
 	 */
diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c
index 5fd352b759af..6d60d416f0dd 100644
--- a/arch/sparc/kernel/sysfs.c
+++ b/arch/sparc/kernel/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* sysfs.c: Topology sysfs support code for sparc64.
  *
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 2dab8236d490..5a01cfe19a0e 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SYSTBLS_H
 #define _SYSTBLS_H
 
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 5253e895b81b..731b25d572a1 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* systbls.S: System call entry point tables for OS compatibility.
  *            The native Linux system call table lives here also.
  *
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 82339f6be0b2..293c1cb31262 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* systbls.S: System call entry point tables for OS compatibility.
  *            The native Linux system call table lives here also.
  *
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 2ce2e7b2abbb..8a08830e4a65 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* linux/arch/sparc/kernel/time.c
  *
  * Copyright (C) 1995 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 564f0e46ffd4..3b397081047a 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* time.c: UltraSparc timer and TOD clock support.
  *
  * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/trampoline_32.S b/arch/sparc/kernel/trampoline_32.S
index 3eed99fc6989..82fafeeb3a62 100644
--- a/arch/sparc/kernel/trampoline_32.S
+++ b/arch/sparc/kernel/trampoline_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * trampoline.S: SMP cpu boot-up trampoline code.
  *
diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S
index 88ede1d53b4c..fe59122d257d 100644
--- a/arch/sparc/kernel/trampoline_64.S
+++ b/arch/sparc/kernel/trampoline_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * trampoline.S: Jump start slave processors on sparc64.
  *
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 581cf35ee7e3..b1ed763e4787 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sparc/kernel/traps.c
  *
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index f74115364b1e..eaed39ce8938 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* tsb.S: Sparc64 TSB table handling.
  *
  * Copyright (C) 2006 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/ttable_32.S b/arch/sparc/kernel/ttable_32.S
index 8a7a96ca676f..e79fd786fbbb 100644
--- a/arch/sparc/kernel/ttable_32.S
+++ b/arch/sparc/kernel/ttable_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* The Sparc trap table, bootloader gives us control at _start. */
         __HEAD
 
diff --git a/arch/sparc/kernel/ttable_64.S b/arch/sparc/kernel/ttable_64.S
index efe93ab4a9c0..18685fe69b91 100644
--- a/arch/sparc/kernel/ttable_64.S
+++ b/arch/sparc/kernel/ttable_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ttable.S: Sparc V9 Trap Table(s) with SpitFire/Cheetah/SUN4V extensions.
  *
  * Copyright (C) 1996, 2001, 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/una_asm_32.S b/arch/sparc/kernel/una_asm_32.S
index 8f096e84a937..f8bf839289fb 100644
--- a/arch/sparc/kernel/una_asm_32.S
+++ b/arch/sparc/kernel/una_asm_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* una_asm.S: Kernel unaligned trap assembler helpers.
  *
  * Copyright (C) 1996,2005,2008 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/una_asm_64.S b/arch/sparc/kernel/una_asm_64.S
index 1c8d33228b2a..e256f395e9f6 100644
--- a/arch/sparc/kernel/una_asm_64.S
+++ b/arch/sparc/kernel/una_asm_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* una_asm.S: Kernel unaligned trap assembler helpers.
  *
  * Copyright (C) 1996,2005 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index 8367dce5f41b..7642d7e4f0d9 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * unaligned.c: Unaligned load/store trap handling with special
  *              cases for the kernel to do them more quickly.
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index cda7fd367c4f..23db2efda570 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * unaligned.c: Unaligned load/store trap handling with special
  *              cases for the kernel to do them more quickly.
diff --git a/arch/sparc/kernel/urtt_fill.S b/arch/sparc/kernel/urtt_fill.S
index 364af3250646..44183aa59168 100644
--- a/arch/sparc/kernel/urtt_fill.S
+++ b/arch/sparc/kernel/urtt_fill.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/thread_info.h>
 #include <asm/trap_block.h>
 #include <asm/spitfire.h>
diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S
index c731e8023d3e..7a2d9a9bea59 100644
--- a/arch/sparc/kernel/utrap.S
+++ b/arch/sparc/kernel/utrap.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.globl		utrap_trap
 	.type		utrap_trap,#function
 utrap_trap:		/* %g3=handler,%g4=level */
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index da1ac3f22b24..1a0fa10cb6b7 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* vio.c: Virtual I/O channel devices probing infrastructure.
  *
  *    Copyright (c) 2003-2005 IBM Corp.
diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c
index dcd278f29573..c858f5f3ce2c 100644
--- a/arch/sparc/kernel/viohs.c
+++ b/arch/sparc/kernel/viohs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* viohs.c: LDOM Virtual I/O handshake helper layer.
  *
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index 8f35eea2103a..64ed80ed6cc2 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* visemul.c: Emulation of VIS instructions.
  *
  * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index d78847d56a4b..5a2344574f39 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ld script for sparc32/sparc64 kernel */
 
 #include <asm-generic/vmlinux.lds.h>
diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c
index 435a467b0595..69a6ba6e9293 100644
--- a/arch/sparc/kernel/windows.c
+++ b/arch/sparc/kernel/windows.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* windows.c: Routines to deal with register window management
  *            at the C-code level.
  *
diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S
index 1ee173cc3c39..448accee090f 100644
--- a/arch/sparc/kernel/winfixup.S
+++ b/arch/sparc/kernel/winfixup.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* winfixup.S: Handle cases where user stack pointer is found to be bogus.
  *
  * Copyright (C) 1997, 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/kernel/wof.S b/arch/sparc/kernel/wof.S
index 28a7bc69f82b..96a3a112423a 100644
--- a/arch/sparc/kernel/wof.S
+++ b/arch/sparc/kernel/wof.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * wof.S: Sparc window overflow handler.
  *
diff --git a/arch/sparc/kernel/wuf.S b/arch/sparc/kernel/wuf.S
index 2c21cc59683e..1a4ca490e9c2 100644
--- a/arch/sparc/kernel/wuf.S
+++ b/arch/sparc/kernel/wuf.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * wuf.S: Window underflow trap handler for the Sparc.
  *
diff --git a/arch/sparc/lib/GENbzero.S b/arch/sparc/lib/GENbzero.S
index 2fbf6297d57c..63d618857d49 100644
--- a/arch/sparc/lib/GENbzero.S
+++ b/arch/sparc/lib/GENbzero.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENbzero.S: Generic sparc64 memset/clear_user.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S
index 8aa16ef113f2..6891a5678ea3 100644
--- a/arch/sparc/lib/GENcopy_from_user.S
+++ b/arch/sparc/lib/GENcopy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENcopy_from_user.S: Generic sparc64 copy from userspace.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S
index 311c8fa5e98e..df75b532a934 100644
--- a/arch/sparc/lib/GENcopy_to_user.S
+++ b/arch/sparc/lib/GENcopy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENcopy_to_user.S: Generic sparc64 copy to userspace.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/GENmemcpy.S b/arch/sparc/lib/GENmemcpy.S
index 059ea24ad73d..114340a0d36e 100644
--- a/arch/sparc/lib/GENmemcpy.S
+++ b/arch/sparc/lib/GENmemcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENmemcpy.S: Generic sparc64 memcpy.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/GENpage.S b/arch/sparc/lib/GENpage.S
index 2ef9d05f21bc..c143c4d1de3f 100644
--- a/arch/sparc/lib/GENpage.S
+++ b/arch/sparc/lib/GENpage.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENpage.S: Generic clear and copy page.
  *
  * Copyright (C) 2007 (davem@davemloft.net)
diff --git a/arch/sparc/lib/GENpatch.S b/arch/sparc/lib/GENpatch.S
index 95e2f1f9e477..1ec1f02c8b7b 100644
--- a/arch/sparc/lib/GENpatch.S
+++ b/arch/sparc/lib/GENpatch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* GENpatch.S: Patch Ultra-I routines with generic variant.
  *
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index a1a2d39ec96e..44829a8dc458 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for Sparc library files..
 #
 
diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S
index 0d8a018118c2..e57bc514f538 100644
--- a/arch/sparc/lib/NG2copy_from_user.S
+++ b/arch/sparc/lib/NG2copy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG2copy_from_user.S: Niagara-2 optimized copy from userspace.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S
index a7a0ea0d8a0b..367c0bf01518 100644
--- a/arch/sparc/lib/NG2copy_to_user.S
+++ b/arch/sparc/lib/NG2copy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG2copy_to_user.S: Niagara-2 optimized copy to userspace.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S
index 64dcd6cdb606..bcb21b3a82f1 100644
--- a/arch/sparc/lib/NG2memcpy.S
+++ b/arch/sparc/lib/NG2memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG2memcpy.S: Niagara-2 optimized memcpy.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG2patch.S b/arch/sparc/lib/NG2patch.S
index 56ccc19adde8..72431b24491a 100644
--- a/arch/sparc/lib/NG2patch.S
+++ b/arch/sparc/lib/NG2patch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG2patch.S: Patch Ultra-I routines with Niagara-2 variant.
  *
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/NG4clear_page.S b/arch/sparc/lib/NG4clear_page.S
index e16c88204a42..97e2678d042a 100644
--- a/arch/sparc/lib/NG4clear_page.S
+++ b/arch/sparc/lib/NG4clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4copy_page.S: Niagara-4 optimized clear page.
  *
  * Copyright (C) 2012 (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S
index 5bb506bd61fa..0cac15a6db3c 100644
--- a/arch/sparc/lib/NG4copy_from_user.S
+++ b/arch/sparc/lib/NG4copy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4copy_from_user.S: Niagara-4 optimized copy from userspace.
  *
  * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4copy_page.S b/arch/sparc/lib/NG4copy_page.S
index 28504e88c535..581062f8ba5f 100644
--- a/arch/sparc/lib/NG4copy_page.S
+++ b/arch/sparc/lib/NG4copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4copy_page.S: Niagara-4 optimized copy page.
  *
  * Copyright (C) 2012 (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S
index a82d4d45fc1c..c5c9abb3cb77 100644
--- a/arch/sparc/lib/NG4copy_to_user.S
+++ b/arch/sparc/lib/NG4copy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4copy_to_user.S: Niagara-4 optimized copy to userspace.
  *
  * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S
index b5dacd1d2078..7ad58ebe0d00 100644
--- a/arch/sparc/lib/NG4memcpy.S
+++ b/arch/sparc/lib/NG4memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4memcpy.S: Niagara-4 optimized memcpy.
  *
  * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4memset.S b/arch/sparc/lib/NG4memset.S
index 7c0c81f18837..f81ee5419e2c 100644
--- a/arch/sparc/lib/NG4memset.S
+++ b/arch/sparc/lib/NG4memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4memset.S: Niagara-4 optimized memset/bzero.
  *
  * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NG4patch.S b/arch/sparc/lib/NG4patch.S
index 3cc0f8cc95df..aa58ab39f9a6 100644
--- a/arch/sparc/lib/NG4patch.S
+++ b/arch/sparc/lib/NG4patch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NG4patch.S: Patch Ultra-I routines with Niagara-4 variant.
  *
  * Copyright (C) 2012 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/NGbzero.S b/arch/sparc/lib/NGbzero.S
index 33053bdf3766..19327614d57d 100644
--- a/arch/sparc/lib/NGbzero.S
+++ b/arch/sparc/lib/NGbzero.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGbzero.S: Niagara optimized memset/clear_user.
  *
  * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S
index 2333b6f3e824..9abc49fcdbbe 100644
--- a/arch/sparc/lib/NGcopy_from_user.S
+++ b/arch/sparc/lib/NGcopy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGcopy_from_user.S: Niagara optimized copy from userspace.
  *
  * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S
index 07ba20bc4ea4..9cbe2f18e5cc 100644
--- a/arch/sparc/lib/NGcopy_to_user.S
+++ b/arch/sparc/lib/NGcopy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGcopy_to_user.S: Niagara optimized copy to userspace.
  *
  * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S
index cd654a719b27..8e4d22a6ba0b 100644
--- a/arch/sparc/lib/NGmemcpy.S
+++ b/arch/sparc/lib/NGmemcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGmemcpy.S: Niagara optimized memcpy.
  *
  * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/NGpage.S b/arch/sparc/lib/NGpage.S
index 423d46e2258b..88fec7818065 100644
--- a/arch/sparc/lib/NGpage.S
+++ b/arch/sparc/lib/NGpage.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGpage.S: Niagara optimize clear and copy page.
  *
  * Copyright (C) 2006 (davem@davemloft.net)
diff --git a/arch/sparc/lib/NGpatch.S b/arch/sparc/lib/NGpatch.S
index 62ccda7e7b38..e9f843f1063e 100644
--- a/arch/sparc/lib/NGpatch.S
+++ b/arch/sparc/lib/NGpatch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* NGpatch.S: Patch Ultra-I routines with Niagara variant.
  *
  * Copyright (C) 2006 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/PeeCeeI.c b/arch/sparc/lib/PeeCeeI.c
index e6d183675990..cde4c9a51b2e 100644
--- a/arch/sparc/lib/PeeCeeI.c
+++ b/arch/sparc/lib/PeeCeeI.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PeeCeeI.c: The emerging standard...
  *
diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S
index 9a6e68a9bf4a..bf08d1c78836 100644
--- a/arch/sparc/lib/U1copy_from_user.S
+++ b/arch/sparc/lib/U1copy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U1copy_from_user.S: UltraSparc-I/II/IIi/IIe optimized copy from userspace.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S
index d7b28491eddf..15169851e7ab 100644
--- a/arch/sparc/lib/U1copy_to_user.S
+++ b/arch/sparc/lib/U1copy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U1copy_to_user.S: UltraSparc-I/II/IIi/IIe optimized copy to userspace.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S
index 4f0d50b33a72..a6f4ee391897 100644
--- a/arch/sparc/lib/U1memcpy.S
+++ b/arch/sparc/lib/U1memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimized memcpy.
  *
  * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S
index db73010a1af8..9c891e9edc7b 100644
--- a/arch/sparc/lib/U3copy_from_user.S
+++ b/arch/sparc/lib/U3copy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U3copy_from_user.S: UltraSparc-III optimized copy from userspace.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S
index f48fb87fe9f2..da424608272c 100644
--- a/arch/sparc/lib/U3copy_to_user.S
+++ b/arch/sparc/lib/U3copy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S
index f9b42b3c63b0..9248d59c734c 100644
--- a/arch/sparc/lib/U3memcpy.S
+++ b/arch/sparc/lib/U3memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U3memcpy.S: UltraSparc-III optimized memcpy.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/U3patch.S b/arch/sparc/lib/U3patch.S
index 91cd6539b6e1..9a888088f3c9 100644
--- a/arch/sparc/lib/U3patch.S
+++ b/arch/sparc/lib/U3patch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* U3patch.S: Patch Ultra-I routines with Ultra-III variant.
  *
  * Copyright (C) 2004 David S. Miller <davem@redhat.com>
diff --git a/arch/sparc/lib/VISsave.S b/arch/sparc/lib/VISsave.S
index 1c7b6a39b942..9c8eb2017d5b 100644
--- a/arch/sparc/lib/VISsave.S
+++ b/arch/sparc/lib/VISsave.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * VISsave.S: Code for saving FPU register state for
  *            VIS routines. One should not call this directly,
diff --git a/arch/sparc/lib/ashldi3.S b/arch/sparc/lib/ashldi3.S
index c8b1cf71bc73..2d72de88af90 100644
--- a/arch/sparc/lib/ashldi3.S
+++ b/arch/sparc/lib/ashldi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ashldi3.S:	GCC emits these for certain drivers playing
  *		with long longs.
diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S
index 4310256e7964..05dfda9f5005 100644
--- a/arch/sparc/lib/ashrdi3.S
+++ b/arch/sparc/lib/ashrdi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ashrdi3.S:	The filesystem code creates all kinds of references to
  *              this little routine on the sparc with gcc.
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 2c373329d5cb..5010df497387 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * atomic32.c: 32-bit atomic_t implementation
  *
diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S
index ce17c3094ba6..456b65a30ecf 100644
--- a/arch/sparc/lib/atomic_64.S
+++ b/arch/sparc/lib/atomic_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atomic.S: These things are too big to do inline.
  *
  * Copyright (C) 1999, 2007 2012 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c
index 8ec4e9c0251a..32a5c1d9459c 100644
--- a/arch/sparc/lib/bitext.c
+++ b/arch/sparc/lib/bitext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bitext.c: kernel little helper (of bit shuffling variety).
  *
diff --git a/arch/sparc/lib/bitops.S b/arch/sparc/lib/bitops.S
index 7031bf1587cb..9d647f977618 100644
--- a/arch/sparc/lib/bitops.S
+++ b/arch/sparc/lib/bitops.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* bitops.S: Sparc64 atomic bit operations.
  *
  * Copyright (C) 2000, 2007 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/blockops.S b/arch/sparc/lib/blockops.S
index 1f2692d59d18..76ddd1ff6833 100644
--- a/arch/sparc/lib/blockops.S
+++ b/arch/sparc/lib/blockops.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * blockops.S: Common block zero optimized routines.
  *
diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S
index 3bb1914c4fa4..87fec4cbe10c 100644
--- a/arch/sparc/lib/bzero.S
+++ b/arch/sparc/lib/bzero.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* bzero.S: Simple prefetching memset, bzero, and clear_user
  *          implementations.
  *
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index c9d8b6232111..6a5469c97246 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* checksum.S: Sparc optimized checksum code.
  *
  *  Copyright(C) 1995 Linus Torvalds
diff --git a/arch/sparc/lib/checksum_64.S b/arch/sparc/lib/checksum_64.S
index 6cfa521f444d..9700ef1730df 100644
--- a/arch/sparc/lib/checksum_64.S
+++ b/arch/sparc/lib/checksum_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* checksum.S: Sparc V9 optimized checksum code.
  *
  *  Copyright(C) 1995 Linus Torvalds
diff --git a/arch/sparc/lib/clear_page.S b/arch/sparc/lib/clear_page.S
index f30d6b78afbd..8a6c783a6301 100644
--- a/arch/sparc/lib/clear_page.S
+++ b/arch/sparc/lib/clear_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* clear_page.S: UltraSparc optimized clear page.
  *
  * Copyright (C) 1996, 1998, 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/cmpdi2.c b/arch/sparc/lib/cmpdi2.c
index 8c1306437ed1..333367fe7353 100644
--- a/arch/sparc/lib/cmpdi2.c
+++ b/arch/sparc/lib/cmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 #include "libgcc.h"
diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S
index 1b73bb80aeb0..66e90bf528e2 100644
--- a/arch/sparc/lib/copy_in_user.S
+++ b/arch/sparc/lib/copy_in_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* copy_in_user.S: Copy from userspace to userspace.
  *
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/copy_page.S b/arch/sparc/lib/copy_page.S
index 7197b7250895..c088e871e8e3 100644
--- a/arch/sparc/lib/copy_page.S
+++ b/arch/sparc/lib/copy_page.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* clear_page.S: UltraSparc optimized copy page.
  *
  * Copyright (C) 1996, 1998, 1999, 2000, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/copy_user.S b/arch/sparc/lib/copy_user.S
index bc243ee807cc..dc72f2b970b7 100644
--- a/arch/sparc/lib/copy_user.S
+++ b/arch/sparc/lib/copy_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* copy_user.S: Sparc optimized copy_from_user and copy_to_user code.
  *
  *  Copyright(C) 1995 Linus Torvalds
diff --git a/arch/sparc/lib/csum_copy.S b/arch/sparc/lib/csum_copy.S
index b1051e77c49a..26c644ba3ecb 100644
--- a/arch/sparc/lib/csum_copy.S
+++ b/arch/sparc/lib/csum_copy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* csum_copy.S: Checksum+copy code for sparc64
  *
  * Copyright (C) 2005 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/csum_copy_from_user.S b/arch/sparc/lib/csum_copy_from_user.S
index e0304e6a2242..d20b9594f0c7 100644
--- a/arch/sparc/lib/csum_copy_from_user.S
+++ b/arch/sparc/lib/csum_copy_from_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* csum_copy_from_user.S: Checksum+copy from userspace.
  *
  * Copyright (C) 2005 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/csum_copy_to_user.S b/arch/sparc/lib/csum_copy_to_user.S
index afd01acc587c..d71c0c81e8ab 100644
--- a/arch/sparc/lib/csum_copy_to_user.S
+++ b/arch/sparc/lib/csum_copy_to_user.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* csum_copy_to_user.S: Checksum+copy to userspace.
  *
  * Copyright (C) 2005 David S. Miller (davem@davemloft.net)
diff --git a/arch/sparc/lib/ffs.S b/arch/sparc/lib/ffs.S
index 23aab144d28e..5a11d864fa05 100644
--- a/arch/sparc/lib/ffs.S
+++ b/arch/sparc/lib/ffs.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/sparc/lib/hweight.S b/arch/sparc/lib/hweight.S
index d21cf20e5c1e..e5547b22cd18 100644
--- a/arch/sparc/lib/hweight.S
+++ b/arch/sparc/lib/hweight.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c
index c4d42a50ebc0..c9da9f139694 100644
--- a/arch/sparc/lib/iomap.c
+++ b/arch/sparc/lib/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the sparc iomap interfaces
  */
diff --git a/arch/sparc/lib/ipcsum.S b/arch/sparc/lib/ipcsum.S
index 5d61648b53dd..531d89c9d5d9 100644
--- a/arch/sparc/lib/ipcsum.S
+++ b/arch/sparc/lib/ipcsum.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/sparc/lib/libgcc.h b/arch/sparc/lib/libgcc.h
index b84fd797f3ea..79845c941b87 100644
--- a/arch/sparc/lib/libgcc.h
+++ b/arch/sparc/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LIBGCC_H
 #define __ASM_LIBGCC_H
 
diff --git a/arch/sparc/lib/locks.S b/arch/sparc/lib/locks.S
index f38c4e59d078..9a1289a3fb28 100644
--- a/arch/sparc/lib/locks.S
+++ b/arch/sparc/lib/locks.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * locks.S: SMP low-level lock primitives on Sparc.
  *
diff --git a/arch/sparc/lib/lshrdi3.S b/arch/sparc/lib/lshrdi3.S
index c9b9373f8d81..509ca6682da8 100644
--- a/arch/sparc/lib/lshrdi3.S
+++ b/arch/sparc/lib/lshrdi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S
index 194f383611c0..deba6fa0bc78 100644
--- a/arch/sparc/lib/mcount.S
+++ b/arch/sparc/lib/mcount.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com)
  *
diff --git a/arch/sparc/lib/memcmp.S b/arch/sparc/lib/memcmp.S
index cee7f30dbb61..a18076ef5af1 100644
--- a/arch/sparc/lib/memcmp.S
+++ b/arch/sparc/lib/memcmp.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Sparc optimized memcmp code.
  *
  * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S
index 8913feaa7ac7..ee823d8c9215 100644
--- a/arch/sparc/lib/memcpy.S
+++ b/arch/sparc/lib/memcpy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* memcpy.S: Sparc optimized memcpy and memmove code
  * Hand optimized from GNU libc's memcpy and memmove
  * Copyright (C) 1991,1996 Free Software Foundation
diff --git a/arch/sparc/lib/memmove.S b/arch/sparc/lib/memmove.S
index 012cdb6ca467..3132b6316144 100644
--- a/arch/sparc/lib/memmove.S
+++ b/arch/sparc/lib/memmove.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* memmove.S: Simple memmove implementation.
  *
  * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com)
diff --git a/arch/sparc/lib/memscan_32.S b/arch/sparc/lib/memscan_32.S
index 51ce690c42a8..c4c2d5b3a2e9 100644
--- a/arch/sparc/lib/memscan_32.S
+++ b/arch/sparc/lib/memscan_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * memscan.S: Optimized memscan for the Sparc.
  *
diff --git a/arch/sparc/lib/memscan_64.S b/arch/sparc/lib/memscan_64.S
index 5efee1f4be36..36dd638905c3 100644
--- a/arch/sparc/lib/memscan_64.S
+++ b/arch/sparc/lib/memscan_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * memscan.S: Optimized memscan for Sparc64.
  *
diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S
index e23338dbfc43..b89d42b29e34 100644
--- a/arch/sparc/lib/memset.S
+++ b/arch/sparc/lib/memset.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/arch/sparc/lib/memset.S: Sparc optimized memset, bzero and clear_user code
  * Copyright (C) 1991,1996 Free Software Foundation
  * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S
index 703127aaf4a5..2f187b299345 100644
--- a/arch/sparc/lib/multi3.S
+++ b/arch/sparc/lib/multi3.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/sparc/lib/strlen.S b/arch/sparc/lib/strlen.S
index ca0e7077e871..dd111bbad5df 100644
--- a/arch/sparc/lib/strlen.S
+++ b/arch/sparc/lib/strlen.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* strlen.S: Sparc optimized strlen code
  * Hand optimized from GNU libc's strlen
  * Copyright (C) 1991,1996 Free Software Foundation
diff --git a/arch/sparc/lib/strncmp_32.S b/arch/sparc/lib/strncmp_32.S
index e3fe014813af..794733f036b6 100644
--- a/arch/sparc/lib/strncmp_32.S
+++ b/arch/sparc/lib/strncmp_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc
  *            generic strncmp routine.
diff --git a/arch/sparc/lib/strncmp_64.S b/arch/sparc/lib/strncmp_64.S
index efb5f884330d..3d37d65f674c 100644
--- a/arch/sparc/lib/strncmp_64.S
+++ b/arch/sparc/lib/strncmp_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Sparc64 optimized strncmp code.
  *
diff --git a/arch/sparc/lib/ucmpdi2.c b/arch/sparc/lib/ucmpdi2.c
index 1e06ed500682..82c1cccb1264 100644
--- a/arch/sparc/lib/ucmpdi2.c
+++ b/arch/sparc/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include "libgcc.h"
 
diff --git a/arch/sparc/lib/xor.S b/arch/sparc/lib/xor.S
index 45a49cb618b5..f6af7c7ee6fc 100644
--- a/arch/sparc/lib/xor.S
+++ b/arch/sparc/lib/xor.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/sparc64/lib/xor.S
  *
diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c
index 4d7e0fff054f..72e560ef4a09 100644
--- a/arch/sparc/math-emu/math_32.c
+++ b/arch/sparc/math-emu/math_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sparc/math-emu/math.c
  *
diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c
index 9647051853d3..1379dee26a65 100644
--- a/arch/sparc/math-emu/math_64.c
+++ b/arch/sparc/math-emu/math_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sparc64/math-emu/math.c
  *
diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h
index bb587d5f3d9d..b57375ff28ee 100644
--- a/arch/sparc/math-emu/sfp-util_32.h
+++ b/arch/sparc/math-emu/sfp-util_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/types.h>
diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h
index 51320a861cc2..8fdb55aae9c8 100644
--- a/arch/sparc/math-emu/sfp-util_64.h
+++ b/arch/sparc/math-emu/sfp-util_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/sparc64/math-emu/sfp-util.h
  *
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index 30c3eccfdf5a..d39075b1e3b7 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the linux Sparc-specific parts of the memory manager.
 #
 
diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c
index 2422511dc8c5..241b40641873 100644
--- a/arch/sparc/mm/extable.c
+++ b/arch/sparc/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sparc/mm/extable.c
  */
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 4714061d6cd3..be3136f142a9 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fault.c:  Page fault handlers for the Sparc.
  *
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index b84c4dd14954..815c03d7a765 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sparc64/mm/fault.c: Page fault handlers for the 64-bit Sparc.
  *
diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c
index d809099ffd47..5335ba3c850e 100644
--- a/arch/sparc/mm/gup.c
+++ b/arch/sparc/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Lockless get_user_pages_fast for sparc, cribbed from powerpc
  *
diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c
index a454ec5ff07a..86bc2a58d26c 100644
--- a/arch/sparc/mm/highmem.c
+++ b/arch/sparc/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  highmem.c: virtual kernel memory mappings for high memory
  *
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index bcd8cdbc377f..5078b7f68890 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SPARC64 Huge TLB page support.
  *
diff --git a/arch/sparc/mm/hypersparc.S b/arch/sparc/mm/hypersparc.S
index 969f96450f69..66885a8dc50a 100644
--- a/arch/sparc/mm/hypersparc.S
+++ b/arch/sparc/mm/hypersparc.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hypersparc.S: High speed Hypersparc mmu/cache operations.
  *
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 3bd0d513bddb..95fe4f081ba3 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/sparc/mm/init.c
  *
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index b2ba410b26f4..61bdc1270d19 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/sparc64/mm/init.c
  *
diff --git a/arch/sparc/mm/init_64.h b/arch/sparc/mm/init_64.h
index a4c09603b05c..d920a75b5f14 100644
--- a/arch/sparc/mm/init_64.h
+++ b/arch/sparc/mm/init_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPARC64_MM_INIT_H
 #define _SPARC64_MM_INIT_H
 
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 338fb71535de..c8cb27d3ea75 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * io-unit.c:  IO-UNIT specific routines for memory management.
  *
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 491511d37e37..2c5f8a648f8c 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * iommu.c:  IOMMU specific routines for memory management.
  *
diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c
index 3b17b6f7895a..ec61ff1f96b7 100644
--- a/arch/sparc/mm/leon_mm.c
+++ b/arch/sparc/mm/leon_mm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/sparc/mm/leon_m.c
  *
diff --git a/arch/sparc/mm/mm_32.h b/arch/sparc/mm/mm_32.h
index a6c27ca9a721..0d0b06e952a5 100644
--- a/arch/sparc/mm/mm_32.h
+++ b/arch/sparc/mm/mm_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* fault_32.c - visible as they are called from assembler */
 asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
                             unsigned long address);
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 8e76ebba2986..1d70c3f6d986 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * srmmu.c:  SRMMU specific routines for memory management.
  *
diff --git a/arch/sparc/mm/srmmu_access.S b/arch/sparc/mm/srmmu_access.S
index d0a67b2c2383..d8d2e644a5ca 100644
--- a/arch/sparc/mm/srmmu_access.S
+++ b/arch/sparc/mm/srmmu_access.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Assembler variants of srmmu access functions.
  * Implemented in assembler to allow run-time patching.
  * LEON uses a different ASI for MMUREGS than SUN.
diff --git a/arch/sparc/mm/swift.S b/arch/sparc/mm/swift.S
index 5d2b88d39424..f414bfd8d899 100644
--- a/arch/sparc/mm/swift.S
+++ b/arch/sparc/mm/swift.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * swift.S: MicroSparc-II mmu/cache operations.
  *
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index ee8066c3d96c..4ae86bc0d35c 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* arch/sparc64/mm/tlb.c
  *
  * Copyright (C) 2004 David S. Miller <davem@redhat.com>
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index 0d4b998c7d7b..75a04c1a2383 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* arch/sparc64/mm/tsb.c
  *
  * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/mm/tsunami.S b/arch/sparc/mm/tsunami.S
index bf10a345fa8b..62b742df65dc 100644
--- a/arch/sparc/mm/tsunami.S
+++ b/arch/sparc/mm/tsunami.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * tsunami.S: High speed MicroSparc-I mmu/cache operations.
  *
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index fcf4d27a38fb..d245f89d1395 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ultra.S: Don't expand these all over the place...
  *
diff --git a/arch/sparc/mm/viking.S b/arch/sparc/mm/viking.S
index 852257fcc82b..adaef6e7b8cf 100644
--- a/arch/sparc/mm/viking.S
+++ b/arch/sparc/mm/viking.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * viking.S: High speed Viking cache/mmu operations
  *
diff --git a/arch/sparc/net/bpf_jit_32.h b/arch/sparc/net/bpf_jit_32.h
index d5c069bff5f9..cfd6a8be0eb4 100644
--- a/arch/sparc/net/bpf_jit_32.h
+++ b/arch/sparc/net/bpf_jit_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BPF_JIT_H
 #define _BPF_JIT_H
 
diff --git a/arch/sparc/net/bpf_jit_64.h b/arch/sparc/net/bpf_jit_64.h
index 74abd45796ea..428f7fd19175 100644
--- a/arch/sparc/net/bpf_jit_64.h
+++ b/arch/sparc/net/bpf_jit_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BPF_JIT_H
 #define _BPF_JIT_H
 
diff --git a/arch/sparc/net/bpf_jit_asm_32.S b/arch/sparc/net/bpf_jit_asm_32.S
index dcc402f5738a..a2e28e0464a3 100644
--- a/arch/sparc/net/bpf_jit_asm_32.S
+++ b/arch/sparc/net/bpf_jit_asm_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/ptrace.h>
 
 #include "bpf_jit_32.h"
diff --git a/arch/sparc/net/bpf_jit_asm_64.S b/arch/sparc/net/bpf_jit_asm_64.S
index 3b3f14655f81..7177867052a1 100644
--- a/arch/sparc/net/bpf_jit_asm_64.S
+++ b/arch/sparc/net/bpf_jit_asm_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/ptrace.h>
 
 #include "bpf_jit_64.h"
diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c
index d193748548e2..09e318eb34ee 100644
--- a/arch/sparc/net/bpf_jit_comp_32.c
+++ b/arch/sparc/net/bpf_jit_comp_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/moduleloader.h>
 #include <linux/workqueue.h>
 #include <linux/netdevice.h>
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index c340af7b1371..5765e7e711f7 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/moduleloader.h>
 #include <linux/workqueue.h>
 #include <linux/netdevice.h>
diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c
index df707a8ad311..47b06f4af1f9 100644
--- a/arch/sparc/power/hibernate.c
+++ b/arch/sparc/power/hibernate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * hibernate.c:  Hibernaton support specific for sparc64.
  *
diff --git a/arch/sparc/power/hibernate_asm.S b/arch/sparc/power/hibernate_asm.S
index d7d9017dcb15..8cfaf5b6a32e 100644
--- a/arch/sparc/power/hibernate_asm.S
+++ b/arch/sparc/power/hibernate_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hibernate_asm.S:  Hibernaton support specific for sparc64.
  *
diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile
index 020300b18c0b..397b79af77f7 100644
--- a/arch/sparc/prom/Makefile
+++ b/arch/sparc/prom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Sun Boot PROM interface library under
 # Linux.
 #
diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c
index d2b49d2365e7..e3b731ff00f0 100644
--- a/arch/sparc/prom/bootstr_32.c
+++ b/arch/sparc/prom/bootstr_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bootstr.c:  Boot string/argument acquisition from the PROM.
  *
diff --git a/arch/sparc/prom/bootstr_64.c b/arch/sparc/prom/bootstr_64.c
index 7149e77714a4..f1cc34d99eec 100644
--- a/arch/sparc/prom/bootstr_64.c
+++ b/arch/sparc/prom/bootstr_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bootstr.c:  Boot string/argument acquisition from the PROM.
  *
diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S
index 8050f381f518..dd06bb1fb90c 100644
--- a/arch/sparc/prom/cif.S
+++ b/arch/sparc/prom/cif.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* cif.S: PROM entry/exit assembler trampolines.
  *
  * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index 1cfb50f4cb9c..6404e5bbb7e6 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * console.c: Routines that deal with sending and receiving IO
  *            to/from the current console device using the PROM.
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index f95edcc54fd5..86dace787ae6 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* console.c: Routines that deal with sending and receiving IO
  *            to/from the current console device using the PROM.
  *
diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c
index 9ac30c2b7dba..d20470166cb1 100644
--- a/arch/sparc/prom/init_32.c
+++ b/arch/sparc/prom/init_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * init.c:  Initialize internal variables used by the PROM
  *          library functions.
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c
index 110b0d78b864..103aa9104318 100644
--- a/arch/sparc/prom/init_64.c
+++ b/arch/sparc/prom/init_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * init.c:  Initialize internal variables used by the PROM
  *          library functions.
diff --git a/arch/sparc/prom/memory.c b/arch/sparc/prom/memory.c
index 3f263a64857d..269d6ab5ef5e 100644
--- a/arch/sparc/prom/memory.c
+++ b/arch/sparc/prom/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* memory.c: Prom routine for acquiring various bits of information
  *           about RAM on the machine, both virtual and physical.
  *
diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c
index 8dc0b6b271e8..625750924860 100644
--- a/arch/sparc/prom/misc_32.c
+++ b/arch/sparc/prom/misc_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c:  Miscellaneous prom functions that don't belong
  *          anywhere else.
diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c
index 53a696d3eb3b..aed94cd4a1e7 100644
--- a/arch/sparc/prom/misc_64.c
+++ b/arch/sparc/prom/misc_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c:  Miscellaneous prom functions that don't belong
  *          anywhere else.
diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c
index 0da8256cf76f..67cf0e957e38 100644
--- a/arch/sparc/prom/mp.c
+++ b/arch/sparc/prom/mp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mp.c:  OpenBoot Prom Multiprocessor support routines.  Don't call
  *        these on a UP or else you will halt and catch fire. ;)
diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c
index 545d8bb79b65..889aa602f8d8 100644
--- a/arch/sparc/prom/p1275.c
+++ b/arch/sparc/prom/p1275.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * p1275.c: Sun IEEE 1275 PROM low level interface routines
  *
diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c
index d9682f06b3b0..dcee3dfa6de9 100644
--- a/arch/sparc/prom/printf.c
+++ b/arch/sparc/prom/printf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * printf.c:  Internal prom library printf facility.
  *
diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c
index 6d8dc2aa94ce..20cb828bc5f4 100644
--- a/arch/sparc/prom/ranges.c
+++ b/arch/sparc/prom/ranges.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ranges.c: Handle ranges in newer proms for obio/sbus.
  *
diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c
index f30e8d038f01..0fed89375b74 100644
--- a/arch/sparc/prom/tree_32.c
+++ b/arch/sparc/prom/tree_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * tree.c: Basic device tree traversal/scanning for the Linux
  *         prom library.
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index bd1b2a3ac34e..989e7992d629 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * tree.c: Basic device tree traversal/scanning for the Linux
  *         prom library.
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 4583c0320059..02f269cfa538 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
 
diff --git a/arch/tile/Kconfig.debug b/arch/tile/Kconfig.debug
index 19734d3ab1e8..9f665d1a805f 100644
--- a/arch/tile/Kconfig.debug
+++ b/arch/tile/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/tile/gxio/Kconfig b/arch/tile/gxio/Kconfig
index d4e10d58071b..903c8646bdd7 100644
--- a/arch/tile/gxio/Kconfig
+++ b/arch/tile/gxio/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Support direct access to TILE-Gx hardware from user space, via the
 # gxio library, or from kernel space, via kernel IORPC support.
 config TILE_GXIO
diff --git a/arch/tile/gxio/Makefile b/arch/tile/gxio/Makefile
index 26ae2c727467..fcc903c4cf87 100644
--- a/arch/tile/gxio/Makefile
+++ b/arch/tile/gxio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Tile-Gx device access support.
 #
diff --git a/arch/tile/include/asm/div64.h b/arch/tile/include/asm/div64.h
index 9f765cdf09a5..a0a798344d5f 100644
--- a/arch/tile/include/asm/div64.h
+++ b/arch/tile/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_TILE_DIV64_H
 #define _ASM_TILE_DIV64_H
 
diff --git a/arch/tile/include/asm/irq_work.h b/arch/tile/include/asm/irq_work.h
index 48af33a61a2c..78d3b6a7b27a 100644
--- a/arch/tile/include/asm/irq_work.h
+++ b/arch/tile/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IRQ_WORK_H
 #define __ASM_IRQ_WORK_H
 
diff --git a/arch/tile/include/asm/word-at-a-time.h b/arch/tile/include/asm/word-at-a-time.h
index b66a693c2c34..2f2515867760 100644
--- a/arch/tile/include/asm/word-at-a-time.h
+++ b/arch/tile/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
diff --git a/arch/tile/kernel/Makefile b/arch/tile/kernel/Makefile
index 09936d0bcb42..3e43d78731a8 100644
--- a/arch/tile/kernel/Makefile
+++ b/arch/tile/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/TILE kernel.
 #
diff --git a/arch/tile/kernel/hvglue.S b/arch/tile/kernel/hvglue.S
index d78ee2ad610c..70c661448638 100644
--- a/arch/tile/kernel/hvglue.S
+++ b/arch/tile/kernel/hvglue.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Hypervisor call vector addresses; see <hv/hypervisor.h> */
 .macro gensym sym, val, size
 .org \val
diff --git a/arch/tile/kernel/vdso/Makefile b/arch/tile/kernel/vdso/Makefile
index 71d5f5d71f79..b596a7396382 100644
--- a/arch/tile/kernel/vdso/Makefile
+++ b/arch/tile/kernel/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Symbols present in the vdso
 vdso-syms = rt_sigreturn gettimeofday
 
diff --git a/arch/tile/kernel/vmlinux.lds.S b/arch/tile/kernel/vmlinux.lds.S
index e1baf094fba4..3558d981e336 100644
--- a/arch/tile/kernel/vmlinux.lds.S
+++ b/arch/tile/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
 #include <asm/cache.h>
diff --git a/arch/tile/kvm/Kconfig b/arch/tile/kvm/Kconfig
index 1e968f7550dc..efce89a8473b 100644
--- a/arch/tile/kvm/Kconfig
+++ b/arch/tile/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/tile/lib/Makefile b/arch/tile/lib/Makefile
index c4211cbb2021..815a1fdeb2e4 100644
--- a/arch/tile/lib/Makefile
+++ b/arch/tile/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for TILE-specific library files..
 #
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
index f10738d68b2d..f184bde7030e 100644
--- a/arch/um/Kconfig.char
+++ b/arch/um/Kconfig.char
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "UML Character Devices"
 
 config STDERR_CONSOLE
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 85f6dd204ab6..d9280482a2f8 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config UML
 	bool
 	default y
diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index 68205fd3b08c..967d3109689f 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/um/Kconfig.net b/arch/um/Kconfig.net
index 820a56f00332..e871af24d9cd 100644
--- a/arch/um/Kconfig.net
+++ b/arch/um/Kconfig.net
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 menu "UML Network Devices"
 	depends on NET
diff --git a/arch/um/Kconfig.rest b/arch/um/Kconfig.rest
index 567eb5fc21df..08327b9c0cbe 100644
--- a/arch/um/Kconfig.rest
+++ b/arch/um/Kconfig.rest
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um
index e26376ab5452..3e7f228b22e1 100644
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig.um
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config STATIC_LINK
 	bool "Force a static link"
 	default n
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index 6673508f3426..760c507dd5b6 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __COW_H__
 #define __COW_H__
 
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index 67cbee63e702..916811ef5317 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __COW_SYS_H__
 #define __COW_SYS_H__
 
diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
index c64f8c61d274..0f3b7ca99465 100644
--- a/arch/um/drivers/slip.h
+++ b/arch/um/drivers/slip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SLIP_H
 #define __UM_SLIP_H
 
diff --git a/arch/um/drivers/slip_common.c b/arch/um/drivers/slip_common.c
index f597fa7c91d3..20fe4f42743d 100644
--- a/arch/um/drivers/slip_common.c
+++ b/arch/um/drivers/slip_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "slip_common.h"
 #include <net_user.h>
diff --git a/arch/um/drivers/slip_common.h b/arch/um/drivers/slip_common.h
index d574e0a9dc13..d3798b5caf7f 100644
--- a/arch/um/drivers/slip_common.h
+++ b/arch/um/drivers/slip_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SLIP_COMMON_H
 #define __UM_SLIP_COMMON_H
 
diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index 89ccf83b7577..4aef2b88249a 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SLIRP_H
 #define __UM_SLIRP_H
 
diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c
index d07a97f8b994..ecc3a5814932 100644
--- a/arch/um/drivers/stderr_console.c
+++ b/arch/um/drivers/stderr_console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/console.h>
diff --git a/arch/um/include/asm/bugs.h b/arch/um/include/asm/bugs.h
index 6a72e240d5fc..4473942a0839 100644
--- a/arch/um/include/asm/bugs.h
+++ b/arch/um/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_BUGS_H
 #define __UM_BUGS_H
 
diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h
index 19e1bdd67416..5c156273484b 100644
--- a/arch/um/include/asm/cache.h
+++ b/arch/um/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_CACHE_H
 #define __UM_CACHE_H
 
diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S
index 9e6d5997cfc4..b30d73ca29d0 100644
--- a/arch/um/include/asm/common.lds.S
+++ b/arch/um/include/asm/common.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 
   .fini      : { *(.fini)    } =0x9090
diff --git a/arch/um/include/asm/dma.h b/arch/um/include/asm/dma.h
index f88c5860520b..fdc53642c718 100644
--- a/arch/um/include/asm/dma.h
+++ b/arch/um/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_DMA_H
 #define __UM_DMA_H
 
diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h
index 1761fd75bf13..2c697a145ac1 100644
--- a/arch/um/include/asm/fixmap.h
+++ b/arch/um/include/asm/fixmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_FIXMAP_H
 #define __UM_FIXMAP_H
 
diff --git a/arch/um/include/asm/hardirq.h b/arch/um/include/asm/hardirq.h
index 756f0778e327..b426796d26fd 100644
--- a/arch/um/include/asm/hardirq.h
+++ b/arch/um/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_UM_HARDIRQ_H
 #define __ASM_UM_HARDIRQ_H
 
diff --git a/arch/um/include/asm/io.h b/arch/um/include/asm/io.h
index 8f35d574f35b..96f77b5232aa 100644
--- a/arch/um/include/asm/io.h
+++ b/arch/um/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UM_IO_H
 #define _ASM_UM_IO_H
 
diff --git a/arch/um/include/asm/irq.h b/arch/um/include/asm/irq.h
index 4a2037f8204b..b5cdd3f91157 100644
--- a/arch/um/include/asm/irq.h
+++ b/arch/um/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_IRQ_H
 #define __UM_IRQ_H
 
diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h
index 3bb221e1d5a4..cbc6c0013a64 100644
--- a/arch/um/include/asm/irqflags.h
+++ b/arch/um/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_IRQFLAGS_H
 #define __UM_IRQFLAGS_H
 
diff --git a/arch/um/include/asm/sections.h b/arch/um/include/asm/sections.h
index cafcf684d947..a3c1fb6ed6ad 100644
--- a/arch/um/include/asm/sections.h
+++ b/arch/um/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SECTIONS_H
 #define __UM_SECTIONS_H
 
diff --git a/arch/um/include/asm/setup.h b/arch/um/include/asm/setup.h
index 99f086301f4c..80ada899f254 100644
--- a/arch/um/include/asm/setup.h
+++ b/arch/um/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SETUP_H_INCLUDED
 #define SETUP_H_INCLUDED
 
diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
index 9c3be355ed01..a8cc1d46ddcb 100644
--- a/arch/um/include/asm/smp.h
+++ b/arch/um/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SMP_H
 #define __UM_SMP_H
 
diff --git a/arch/um/include/asm/stacktrace.h b/arch/um/include/asm/stacktrace.h
index 9a864328c67f..436b55952c3a 100644
--- a/arch/um/include/asm/stacktrace.h
+++ b/arch/um/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UML_STACKTRACE_H
 #define _ASM_UML_STACKTRACE_H
 
diff --git a/arch/um/include/asm/sysrq.h b/arch/um/include/asm/sysrq.h
index c8d332b56b98..8fc8c65cd357 100644
--- a/arch/um/include/asm/sysrq.h
+++ b/arch/um/include/asm/sysrq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SYSRQ_H
 #define __UM_SYSRQ_H
 
diff --git a/arch/um/include/asm/timex.h b/arch/um/include/asm/timex.h
index 0f4ada08f748..e392a9a5bc9b 100644
--- a/arch/um/include/asm/timex.h
+++ b/arch/um/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_TIMEX_H
 #define __UM_TIMEX_H
 
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 344d95619d03..dce6db147f24 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_TLB_H
 #define __UM_TLB_H
 
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index c92306809029..4e99fe05576a 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* for use by sys-$SUBARCH/kernel-offsets.c */
 
 DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
diff --git a/arch/um/include/shared/init.h b/arch/um/include/shared/init.h
index 233e2593eee0..390572daa40d 100644
--- a/arch/um/include/shared/init.h
+++ b/arch/um/include/shared/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UML_INIT_H
 #define _LINUX_UML_INIT_H
 
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h
index 9bdddf4c405b..b3315c1f198b 100644
--- a/arch/um/include/shared/longjmp.h
+++ b/arch/um/include/shared/longjmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UML_LONGJMP_H
 #define __UML_LONGJMP_H
 
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index 4fdbcf958cd5..d417e3899700 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
 
diff --git a/arch/um/kernel/kmsg_dump.c b/arch/um/kernel/kmsg_dump.c
index 407d49251d6f..98bdf69e4c2e 100644
--- a/arch/um/kernel/kmsg_dump.c
+++ b/arch/um/kernel/kmsg_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kmsg_dump.h>
 #include <linux/console.h>
 #include <shared/init.h>
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 1840f55ed042..3d6ed6ba5b78 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
 
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 1a365ddc4d02..77a9321379b7 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/um/kernel/elf_aux.c
  *
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index db4a034aeee1..715594fe5719 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/module.h>
 
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 15889df9b466..a4dfa7d7636e 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # arch/um: Generic definitions
 # ===========================================================================
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 0769066929c6..d39f0bc6a046 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config UNICORE32
 	def_bool y
 	select ARCH_HAS_DEVMEM_IS_ALLOWED
diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug
index f075bbe1d46f..de8dae3abc0a 100644
--- a/arch/unicore32/Kconfig.debug
+++ b/arch/unicore32/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/unicore32/include/mach/regs-ac97.h b/arch/unicore32/include/mach/regs-ac97.h
index b7563e9d6503..85c601898d02 100644
--- a/arch/unicore32/include/mach/regs-ac97.h
+++ b/arch/unicore32/include/mach/regs-ac97.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity AC97 Registers
  */
diff --git a/arch/unicore32/include/mach/regs-dmac.h b/arch/unicore32/include/mach/regs-dmac.h
index 66de9e7d1c8f..bbdc52d06a98 100644
--- a/arch/unicore32/include/mach/regs-dmac.h
+++ b/arch/unicore32/include/mach/regs-dmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Direct Memory Access Controller (DMAC)
  */
diff --git a/arch/unicore32/include/mach/regs-gpio.h b/arch/unicore32/include/mach/regs-gpio.h
index 0273b861ef96..806350e1ccb6 100644
--- a/arch/unicore32/include/mach/regs-gpio.h
+++ b/arch/unicore32/include/mach/regs-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity General-Purpose Input/Output (GPIO) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-i2c.h b/arch/unicore32/include/mach/regs-i2c.h
index 463d108f8bfb..b41aa7c92430 100644
--- a/arch/unicore32/include/mach/regs-i2c.h
+++ b/arch/unicore32/include/mach/regs-i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Inter-integrated Circuit (I2C) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-intc.h b/arch/unicore32/include/mach/regs-intc.h
index 25648f89cbd3..4eb1b5b571bb 100644
--- a/arch/unicore32/include/mach/regs-intc.h
+++ b/arch/unicore32/include/mach/regs-intc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUNITY Interrupt Controller (INTC) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-nand.h b/arch/unicore32/include/mach/regs-nand.h
index a7c5563bb550..7f29939251ef 100644
--- a/arch/unicore32/include/mach/regs-nand.h
+++ b/arch/unicore32/include/mach/regs-nand.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity NAND Controller Registers
  */
diff --git a/arch/unicore32/include/mach/regs-ost.h b/arch/unicore32/include/mach/regs-ost.h
index 4a85fb463848..6c63e7b7569e 100644
--- a/arch/unicore32/include/mach/regs-ost.h
+++ b/arch/unicore32/include/mach/regs-ost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Operating System Timer (OST) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-pci.h b/arch/unicore32/include/mach/regs-pci.h
index 6a9341686bf8..25bb307b87c3 100644
--- a/arch/unicore32/include/mach/regs-pci.h
+++ b/arch/unicore32/include/mach/regs-pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity AHB-PCI Bridge Registers
  */
diff --git a/arch/unicore32/include/mach/regs-pm.h b/arch/unicore32/include/mach/regs-pm.h
index 854844aa8f4b..777b1ace39b9 100644
--- a/arch/unicore32/include/mach/regs-pm.h
+++ b/arch/unicore32/include/mach/regs-pm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUNITY Power Manager (PM) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-ps2.h b/arch/unicore32/include/mach/regs-ps2.h
index 17d4e6dc0069..d539d7482462 100644
--- a/arch/unicore32/include/mach/regs-ps2.h
+++ b/arch/unicore32/include/mach/regs-ps2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity PS2 Controller Registers
  */
diff --git a/arch/unicore32/include/mach/regs-resetc.h b/arch/unicore32/include/mach/regs-resetc.h
index 39900cf4c936..5f2b9d77a9ec 100644
--- a/arch/unicore32/include/mach/regs-resetc.h
+++ b/arch/unicore32/include/mach/regs-resetc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Reset Controller (RC) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-rtc.h b/arch/unicore32/include/mach/regs-rtc.h
index e94ca193271d..f2f7f47eb65e 100644
--- a/arch/unicore32/include/mach/regs-rtc.h
+++ b/arch/unicore32/include/mach/regs-rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Real-Time Clock (RTC) control registers
  */
diff --git a/arch/unicore32/include/mach/regs-sdc.h b/arch/unicore32/include/mach/regs-sdc.h
index 1303ecf660ba..658bfaf4cb3c 100644
--- a/arch/unicore32/include/mach/regs-sdc.h
+++ b/arch/unicore32/include/mach/regs-sdc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Multi-Media Card and Security Digital Card (MMC/SD) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-spi.h b/arch/unicore32/include/mach/regs-spi.h
index de16895e2dc0..3460647a9c2a 100644
--- a/arch/unicore32/include/mach/regs-spi.h
+++ b/arch/unicore32/include/mach/regs-spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Serial Peripheral Interface (SPI) Registers
  */
diff --git a/arch/unicore32/include/mach/regs-umal.h b/arch/unicore32/include/mach/regs-umal.h
index aa22df74e11d..7023089c61c6 100644
--- a/arch/unicore32/include/mach/regs-umal.h
+++ b/arch/unicore32/include/mach/regs-umal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity Ultra Media Access Layer (UMAL) Ethernet MAC Registers
  */
diff --git a/arch/unicore32/include/mach/regs-unigfx.h b/arch/unicore32/include/mach/regs-unigfx.h
index faf8b287fccf..553d1157c6b2 100644
--- a/arch/unicore32/include/mach/regs-unigfx.h
+++ b/arch/unicore32/include/mach/regs-unigfx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PKUnity UNIGFX Registers
  */
diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile
index 607a72f2ae35..2f79aa56735b 100644
--- a/arch/unicore32/kernel/Makefile
+++ b/arch/unicore32/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/unicore32/kernel/ksyms.h b/arch/unicore32/kernel/ksyms.h
index 31472ad9467a..5d2d5ba324ac 100644
--- a/arch/unicore32/kernel/ksyms.h
+++ b/arch/unicore32/kernel/ksyms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
diff --git a/arch/unicore32/lib/Makefile b/arch/unicore32/lib/Makefile
index 87229a558b36..098981a01841 100644
--- a/arch/unicore32/lib/Makefile
+++ b/arch/unicore32/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/unicore32/lib/Makefile
 #
diff --git a/arch/unicore32/mm/Kconfig b/arch/unicore32/mm/Kconfig
index 5f77fb3c63be..c256460cd363 100644
--- a/arch/unicore32/mm/Kconfig
+++ b/arch/unicore32/mm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 comment "Processor Type"
 
 # Select CPU types depending on the architecture selected.  This selects
diff --git a/arch/unicore32/mm/Makefile b/arch/unicore32/mm/Makefile
index 46c166699319..681c0ef5ec9e 100644
--- a/arch/unicore32/mm/Makefile
+++ b/arch/unicore32/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux unicore-specific parts of the memory manager.
 #
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 971feac13506..2fdb23313dd5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Select 32 or 64 bit
 config 64BIT
 	bool "64-bit kernel" if ARCH = "x86"
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 3ba5ff2f2d08..65a9a4716e34 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Put here option for CPU selection and depending optimization
 choice
 	prompt "Processor family"
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 71a48a30fc84..90b123056f4b 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 6276572259c8..a20eacd9c7e9 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Unified Makefile for i386 and x86_64
 
 # select defconfig based on actual architecture
diff --git a/arch/x86/Makefile.um b/arch/x86/Makefile.um
index 5b7e898ffd9a..45af19921ebd 100644
--- a/arch/x86/Makefile.um
+++ b/arch/x86/Makefile.um
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 core-y += arch/x86/crypto/
 
 ifeq ($(CONFIG_X86_32),y)
diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu
index f3717d36718a..1f5faf8606b4 100644
--- a/arch/x86/Makefile_32.cpu
+++ b/arch/x86/Makefile_32.cpu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # CPU tuning section - shared with UML.
 # Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.
 
diff --git a/arch/x86/boot/code16gcc.h b/arch/x86/boot/code16gcc.h
index 5ff426535397..e19fd7536307 100644
--- a/arch/x86/boot/code16gcc.h
+++ b/arch/x86/boot/code16gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #
 # code16gcc.h
 #
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 8a958274b54c..4b7575b00563 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/arch/x86/boot/compressed/Makefile
 #
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index 9dc1ce6ba3c0..0cb325734cfb 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "misc.h"
 
 #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
diff --git a/arch/x86/boot/compressed/cpuflags.c b/arch/x86/boot/compressed/cpuflags.c
index aa313466118b..6448a8196d32 100644
--- a/arch/x86/boot/compressed/cpuflags.c
+++ b/arch/x86/boot/compressed/cpuflags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef CONFIG_RANDOMIZE_BASE
 
 #include "../cpuflags.c"
diff --git a/arch/x86/boot/compressed/eboot.h b/arch/x86/boot/compressed/eboot.h
index c0223f1a89d7..e799dc5c6448 100644
--- a/arch/x86/boot/compressed/eboot.h
+++ b/arch/x86/boot/compressed/eboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_COMPRESSED_EBOOT_H
 #define BOOT_COMPRESSED_EBOOT_H
 
diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S
index a53440e81d52..257e341fd2c8 100644
--- a/arch/x86/boot/compressed/efi_stub_32.S
+++ b/arch/x86/boot/compressed/efi_stub_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * EFI call stub for IA32.
  *
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S
index 630384a4c14a..bff9ab7c6317 100644
--- a/arch/x86/boot/compressed/efi_thunk_64.S
+++ b/arch/x86/boot/compressed/efi_thunk_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2014, 2015 Intel Corporation; author Matt Fleming
  *
diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c
index 31922023de49..c881878e56d3 100644
--- a/arch/x86/boot/compressed/error.c
+++ b/arch/x86/boot/compressed/error.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Callers outside of misc.c need access to the error reporting routines,
  * but the *_putstr() functions need to stay in misc.c because of how
diff --git a/arch/x86/boot/compressed/error.h b/arch/x86/boot/compressed/error.h
index d732e608e3af..1de5821184f1 100644
--- a/arch/x86/boot/compressed/error.h
+++ b/arch/x86/boot/compressed/error.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_COMPRESSED_ERROR_H
 #define BOOT_COMPRESSED_ERROR_H
 
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 11c68cf53d4e..37380c0d5999 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/boot/head.S
  *
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index b4a5d284391c..beb255b66447 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/boot/head.S
  *
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index 17818ba6906f..a63fbc25ce84 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kaslr.c
  *
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index c14217cd0155..b50c42455e25 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * misc.c
  *
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index 766a5211f827..32d4ec2e0243 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_COMPRESSED_MISC_H
 #define BOOT_COMPRESSED_MISC_H
 
diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c
index f1aa43854bed..972319ff5b01 100644
--- a/arch/x86/boot/compressed/pagetable.c
+++ b/arch/x86/boot/compressed/pagetable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This code is used on x86_64 to create page table identity mappings on
  * demand by building up a new set of page tables (or appending to the
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c
index cea140ce6b42..19dbbcdd1a53 100644
--- a/arch/x86/boot/compressed/string.c
+++ b/arch/x86/boot/compressed/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This provides an optimized implementation of memcpy, and a simplified
  * implementation of memset and memmove. These are used here because the
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
index e24e0a0c90c9..f491bbde8493 100644
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/vmlinux.lds.h>
 
 OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
diff --git a/arch/x86/boot/cpuflags.c b/arch/x86/boot/cpuflags.c
index 9e77c23c2422..a0b75f73dc63 100644
--- a/arch/x86/boot/cpuflags.c
+++ b/arch/x86/boot/cpuflags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include "bitops.h"
 
diff --git a/arch/x86/boot/cpuflags.h b/arch/x86/boot/cpuflags.h
index 15ad56a3f905..2e20814d3ce3 100644
--- a/arch/x86/boot/cpuflags.h
+++ b/arch/x86/boot/cpuflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_CPUFLAGS_H
 #define BOOT_CPUFLAGS_H
 
diff --git a/arch/x86/boot/ctype.h b/arch/x86/boot/ctype.h
index 020f137df7a2..8f5ef2994b5e 100644
--- a/arch/x86/boot/ctype.h
+++ b/arch/x86/boot/ctype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_CTYPE_H
 #define BOOT_CTYPE_H
 
diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c
index f0b8d6d93164..b25c53527a94 100644
--- a/arch/x86/boot/early_serial_console.c
+++ b/arch/x86/boot/early_serial_console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Serial port routines for use during early boot reporting. This code is
  * included from both the compressed kernel and the regular kernel.
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 1bb08ecffd24..9c7ea597eee6 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	header.S
  *
diff --git a/arch/x86/boot/string.h b/arch/x86/boot/string.h
index f274a50db5fa..3d78e27077f4 100644
--- a/arch/x86/boot/string.h
+++ b/arch/x86/boot/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOOT_STRING_H
 #define BOOT_STRING_H
 
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 0702d2531bc7..d4e6cd4577e5 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 1997 Martin Mares
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index 9e32d40d71bd..5f07333bb224 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S
index 9279e0b2d60e..10db30d58006 100644
--- a/arch/x86/crypto/salsa20-x86_64-asm_64.S
+++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 # enter salsa20_encrypt_bytes
diff --git a/arch/x86/crypto/sha1-mb/Makefile b/arch/x86/crypto/sha1-mb/Makefile
index 2e14acc3da25..815ded3ba90e 100644
--- a/arch/x86/crypto/sha1-mb/Makefile
+++ b/arch/x86/crypto/sha1-mb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/x86/crypto/sha256-mb/Makefile b/arch/x86/crypto/sha256-mb/Makefile
index 45b4fca6c4a8..53ad6e7db747 100644
--- a/arch/x86/crypto/sha256-mb/Makefile
+++ b/arch/x86/crypto/sha256-mb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/x86/crypto/sha512-mb/Makefile b/arch/x86/crypto/sha512-mb/Makefile
index 0a57e2103980..90f1ef69152e 100644
--- a/arch/x86/crypto/sha512-mb/Makefile
+++ b/arch/x86/crypto/sha512-mb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Arch-specific CryptoAPI modules.
 #
diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile
index af28a8a24366..06fc70cf5433 100644
--- a/arch/x86/entry/Makefile
+++ b/arch/x86/entry/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the x86 low level entry code
 #
diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index 640aafebdc00..6e160031cfea 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/jump_label.h>
 #include <asm/unwind_hints.h>
 
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 50e0d2bc4528..4838037f97f6 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1991,1992  Linus Torvalds
  *
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 49167258d587..4b1ad51eb7cc 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/x86_64/entry.S
  *
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index e26c25ca7756..b5c7a56ed256 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Compatibility mode system call entry point for x86-64.
  *
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c
index 8f895ee13a1c..95c294963612 100644
--- a/arch/x86/entry/syscall_32.c
+++ b/arch/x86/entry/syscall_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* System call table for i386. */
 
 #include <linux/linkage.h>
diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c
index 9dbc5abb6162..9c09775e589d 100644
--- a/arch/x86/entry/syscall_64.c
+++ b/arch/x86/entry/syscall_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* System call table for x86-64. */
 
 #include <linux/linkage.h>
diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile
index 57aa59fd140c..331f1dca5085 100644
--- a/arch/x86/entry/syscalls/Makefile
+++ b/arch/x86/entry/syscalls/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 out := $(obj)/../../include/generated/asm
 uapi := $(obj)/../../include/generated/uapi/asm
 
diff --git a/arch/x86/entry/syscalls/syscallhdr.sh b/arch/x86/entry/syscalls/syscallhdr.sh
index 31fd5f1f38f7..12fbbcfe7ef3 100644
--- a/arch/x86/entry/syscalls/syscallhdr.sh
+++ b/arch/x86/entry/syscalls/syscallhdr.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 in="$1"
 out="$2"
diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh
index 751d1f992630..d71ef4bd3615 100644
--- a/arch/x86/entry/syscalls/syscalltbl.sh
+++ b/arch/x86/entry/syscalls/syscalltbl.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 in="$1"
 out="$2"
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index d5409660f5de..c366c0adeb40 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Building vDSO images for x86.
 #
diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S
index 8ebb4b6454fe..acfd5ba7d943 100644
--- a/arch/x86/entry/vdso/vdso-layout.lds.S
+++ b/arch/x86/entry/vdso/vdso-layout.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/vdso.h>
 
 /*
diff --git a/arch/x86/entry/vdso/vdso.lds.S b/arch/x86/entry/vdso/vdso.lds.S
index 6807932643c2..d3a2dce4cfa9 100644
--- a/arch/x86/entry/vdso/vdso.lds.S
+++ b/arch/x86/entry/vdso/vdso.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for 64-bit vDSO.
  * We #include the file to define the layout details.
diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h
index 3dab75f2a673..fa847a620f40 100644
--- a/arch/x86/entry/vdso/vdso2c.h
+++ b/arch/x86/entry/vdso/vdso2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is included twice from vdso2c.c.  It generates code for 32-bit
  * and 64-bit vDSOs.  We need both for 64-bit builds, since 32-bit vDSOs
diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c
index 3f9d1a83891a..42d4c89f990e 100644
--- a/arch/x86/entry/vdso/vdso32-setup.c
+++ b/arch/x86/entry/vdso/vdso32-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) Copyright 2002 Linus Torvalds
  * Portions based on the vdso-randomization code from exec-shield:
diff --git a/arch/x86/entry/vdso/vdso32/note.S b/arch/x86/entry/vdso/vdso32/note.S
index c83f25734696..9fd51f206314 100644
--- a/arch/x86/entry/vdso/vdso32/note.S
+++ b/arch/x86/entry/vdso/vdso32/note.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
  * Here we can supply some information useful to userland.
diff --git a/arch/x86/entry/vdso/vdso32/sigreturn.S b/arch/x86/entry/vdso/vdso32/sigreturn.S
index 20633e026e82..c3233ee98a6b 100644
--- a/arch/x86/entry/vdso/vdso32/sigreturn.S
+++ b/arch/x86/entry/vdso/vdso32/sigreturn.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/unistd_32.h>
 #include <asm/asm-offsets.h>
diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index ed4bc9731cbb..263d7433dea8 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * AT_SYSINFO entry point
 */
diff --git a/arch/x86/entry/vdso/vdso32/vclock_gettime.c b/arch/x86/entry/vdso/vdso32/vclock_gettime.c
index 87a86e017f0e..7780bbfb06ef 100644
--- a/arch/x86/entry/vdso/vdso32/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vdso32/vclock_gettime.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define BUILD_VDSO32
 
 #ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE
diff --git a/arch/x86/entry/vdso/vdso32/vdso32.lds.S b/arch/x86/entry/vdso/vdso32/vdso32.lds.S
index 31056cf294bf..422764a81d32 100644
--- a/arch/x86/entry/vdso/vdso32/vdso32.lds.S
+++ b/arch/x86/entry/vdso/vdso32/vdso32.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for 32-bit vDSO.
  * We #include the file to define the layout details.
diff --git a/arch/x86/entry/vdso/vdsox32.lds.S b/arch/x86/entry/vdso/vdsox32.lds.S
index 697c11ece90c..05cd1c5c4a15 100644
--- a/arch/x86/entry/vdso/vdsox32.lds.S
+++ b/arch/x86/entry/vdso/vdsox32.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for x32 vDSO.
  * We #include the file to define the layout details.
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index ce1d7534fa53..f279ba2643dc 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2012-2014 Andy Lutomirski <luto@amacapital.net>
  *
diff --git a/arch/x86/entry/vsyscall/vsyscall_gtod.c b/arch/x86/entry/vsyscall/vsyscall_gtod.c
index 0fb3a104ac62..e1216dd95c04 100644
--- a/arch/x86/entry/vsyscall/vsyscall_gtod.c
+++ b/arch/x86/entry/vsyscall/vsyscall_gtod.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 2001 Andrea Arcangeli <andrea@suse.de> SuSE
  *  Copyright 2003 Andi Kleen, SuSE Labs.
diff --git a/arch/x86/entry/vsyscall/vsyscall_trace.h b/arch/x86/entry/vsyscall/vsyscall_trace.h
index 9dd7359a38a8..3c3f9765a85c 100644
--- a/arch/x86/entry/vsyscall/vsyscall_trace.h
+++ b/arch/x86/entry/vsyscall/vsyscall_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM vsyscall
 
diff --git a/arch/x86/events/Kconfig b/arch/x86/events/Kconfig
index 98397db5ceae..9a7a1446cb3a 100644
--- a/arch/x86/events/Kconfig
+++ b/arch/x86/events/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Performance monitoring"
 
 config PERF_EVENTS_INTEL_UNCORE
diff --git a/arch/x86/events/amd/Makefile b/arch/x86/events/amd/Makefile
index b1da46f396e0..fe8795a67385 100644
--- a/arch/x86/events/amd/Makefile
+++ b/arch/x86/events/amd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CPU_SUP_AMD)		+= core.o uncore.o
 obj-$(CONFIG_PERF_EVENTS_AMD_POWER)	+= power.o
 obj-$(CONFIG_X86_LOCAL_APIC)		+= ibs.o
diff --git a/arch/x86/events/intel/Makefile b/arch/x86/events/intel/Makefile
index e9d8520a801a..3468b0c1dc7c 100644
--- a/arch/x86/events/intel/Makefile
+++ b/arch/x86/events/intel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CPU_SUP_INTEL)		+= core.o bts.o
 obj-$(CONFIG_CPU_SUP_INTEL)		+= ds.o knc.o
 obj-$(CONFIG_CPU_SUP_INTEL)		+= lbr.o p4.o p6.o pt.o
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index e1965e5ff570..3674a4b6f8bd 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/slab.h>
diff --git a/arch/x86/events/intel/knc.c b/arch/x86/events/intel/knc.c
index 548d5f774b07..618001c208e8 100644
--- a/arch/x86/events/intel/knc.c
+++ b/arch/x86/events/intel/knc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Driver for Intel Xeon Phi "Knights Corner" PMU */
 
 #include <linux/perf_event.h>
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 8a6bbacd17dc..ae64d0b69729 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/perf_event.h>
 #include <linux/types.h>
 
diff --git a/arch/x86/events/intel/p6.c b/arch/x86/events/intel/p6.c
index 1f5c47ab4c65..a5604c352930 100644
--- a/arch/x86/events/intel/p6.c
+++ b/arch/x86/events/intel/p6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/perf_event.h>
 #include <linux/types.h>
 
diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h
index df5989f27b1b..4364191e7c6b 100644
--- a/arch/x86/events/intel/uncore.h
+++ b/arch/x86/events/intel/uncore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <asm/apicdef.h>
diff --git a/arch/x86/events/intel/uncore_nhmex.c b/arch/x86/events/intel/uncore_nhmex.c
index 6a5cbe90f859..93e7a8397cde 100644
--- a/arch/x86/events/intel/uncore_nhmex.c
+++ b/arch/x86/events/intel/uncore_nhmex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Nehalem-EX/Westmere-EX uncore support */
 #include "uncore.h"
 
diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index db1127ce685e..aee5e8496be4 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Nehalem/SandBridge/Haswell/Broadwell/Skylake uncore support */
 #include "uncore.h"
 
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index a7196818416a..95cb19f4e06f 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* SandyBridge-EP/IvyTown uncore support */
 #include "uncore.h"
 
diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index 06723671ae4e..14efaa0e8684 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/perf_event.h>
 #include <asm/intel-family.h>
 
diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c
index 2eccc8932ae6..3d21eab7aaed 100644
--- a/arch/x86/ia32/audit.c
+++ b/arch/x86/ia32/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/unistd_32.h>
 
 unsigned ia32_dir_class[] = {
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 0e2a5edbce00..41c671854642 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/x86_64/ia32/ia32_signal.c
  *
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 47956c6a4fd8..96cd33bbfc85 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sys_ia32.c: Conversion between 32bit and 64bit native syscalls. Based on
  *             sys_sparc32
diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h
index eec2a70d4376..8e25bf4f323a 100644
--- a/arch/x86/include/asm/agp.h
+++ b/arch/x86/include/asm/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_AGP_H
 #define _ASM_X86_AGP_H
 
diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
index 6c98821fef5e..31b627b43a8e 100644
--- a/arch/x86/include/asm/alternative-asm.h
+++ b/arch/x86/include/asm/alternative-asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ALTERNATIVE_ASM_H
 #define _ASM_X86_ALTERNATIVE_ASM_H
 
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index ccbe24e697c4..dbfd0854651f 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ALTERNATIVE_H
 #define _ASM_X86_ALTERNATIVE_H
 
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index da181ad1d5f8..fddb6d26239f 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_AMD_NB_H
 #define _ASM_X86_AMD_NB_H
 
diff --git a/arch/x86/include/asm/apic_flat_64.h b/arch/x86/include/asm/apic_flat_64.h
index a2d312796440..d3a2b3876ce6 100644
--- a/arch/x86/include/asm/apic_flat_64.h
+++ b/arch/x86/include/asm/apic_flat_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_APIC_FLAT_64_H
 #define _ASM_X86_APIC_FLAT_64_H
 
diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
index c46bb99d5fb2..05e694ed8386 100644
--- a/arch/x86/include/asm/apicdef.h
+++ b/arch/x86/include/asm/apicdef.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_APICDEF_H
 #define _ASM_X86_APICDEF_H
 
diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h
index 93eebc636c76..4d4015ddcf26 100644
--- a/arch/x86/include/asm/apm.h
+++ b/arch/x86/include/asm/apm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Machine specific APM BIOS functions for generic.
  *  Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp>
diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
index e7cd63175de4..34a10b2d5b73 100644
--- a/arch/x86/include/asm/arch_hweight.h
+++ b/arch/x86/include/asm/arch_hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HWEIGHT_H
 #define _ASM_X86_HWEIGHT_H
 
diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h
index 830b19dbfa31..ff700d81e91e 100644
--- a/arch/x86/include/asm/asm-prototypes.h
+++ b/arch/x86/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/ftrace.h>
 #include <linux/uaccess.h>
 #include <asm/string.h>
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
index b0dc91f4bedc..219faaec51df 100644
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ASM_H
 #define _ASM_X86_ASM_H
 
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 0874ebda3069..72759f131cc5 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ATOMIC_H
 #define _ASM_X86_ATOMIC_H
 
diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
index 9e206f31ce2a..97c46b8169b7 100644
--- a/arch/x86/include/asm/atomic64_32.h
+++ b/arch/x86/include/asm/atomic64_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ATOMIC64_32_H
 #define _ASM_X86_ATOMIC64_32_H
 
diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
index 5d9de36a2f04..738495caf05f 100644
--- a/arch/x86/include/asm/atomic64_64.h
+++ b/arch/x86/include/asm/atomic64_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ATOMIC64_64_H
 #define _ASM_X86_ATOMIC64_64_H
 
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index bfb28caf97b1..01727dbc294a 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BARRIER_H
 #define _ASM_X86_BARRIER_H
 
diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
index 4b7b8e71607e..4d5a17e2febe 100644
--- a/arch/x86/include/asm/bios_ebda.h
+++ b/arch/x86/include/asm/bios_ebda.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BIOS_EBDA_H
 #define _ASM_X86_BIOS_EBDA_H
 
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 854022772c5b..2bcf47314959 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BITOPS_H
 #define _ASM_X86_BITOPS_H
 
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index abd06b19ddd2..680c320363db 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BOOT_H
 #define _ASM_X86_BOOT_H
 
diff --git a/arch/x86/include/asm/bootparam_utils.h b/arch/x86/include/asm/bootparam_utils.h
index 4a8cb8d7cbd5..a07ffd23e4dd 100644
--- a/arch/x86/include/asm/bootparam_utils.h
+++ b/arch/x86/include/asm/bootparam_utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BOOTPARAM_UTILS_H
 #define _ASM_X86_BOOTPARAM_UTILS_H
 
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index aa6b2023d8f8..34d99af43994 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BUG_H
 #define _ASM_X86_BUG_H
 
diff --git a/arch/x86/include/asm/bugs.h b/arch/x86/include/asm/bugs.h
index 5490bbaf71d5..542509b53e0f 100644
--- a/arch/x86/include/asm/bugs.h
+++ b/arch/x86/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BUGS_H
 #define _ASM_X86_BUGS_H
 
diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
index 48f99f15452e..abe08690a887 100644
--- a/arch/x86/include/asm/cache.h
+++ b/arch/x86/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CACHE_H
 #define _ASM_X86_CACHE_H
 
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index cb9a1af109b4..63feaf2a5f93 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CACHEFLUSH_H
 #define _ASM_X86_CACHEFLUSH_H
 
diff --git a/arch/x86/include/asm/ce4100.h b/arch/x86/include/asm/ce4100.h
index e656ad8c0a2e..2930f560d7f3 100644
--- a/arch/x86/include/asm/ce4100.h
+++ b/arch/x86/include/asm/ce4100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CE4100_H_
 #define _ASM_CE4100_H_
 
diff --git a/arch/x86/include/asm/checksum.h b/arch/x86/include/asm/checksum.h
index 5f5bb0f97361..d79d1e622dcf 100644
--- a/arch/x86/include/asm/checksum.h
+++ b/arch/x86/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_X86_32
 # include <asm/checksum_32.h>
 #else
diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
index 7b53743ed267..7a659c74cd03 100644
--- a/arch/x86/include/asm/checksum_32.h
+++ b/arch/x86/include/asm/checksum_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CHECKSUM_32_H
 #define _ASM_X86_CHECKSUM_32_H
 
diff --git a/arch/x86/include/asm/checksum_64.h b/arch/x86/include/asm/checksum_64.h
index 08e7efb2c140..3ec6d3267cf9 100644
--- a/arch/x86/include/asm/checksum_64.h
+++ b/arch/x86/include/asm/checksum_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CHECKSUM_64_H
 #define _ASM_X86_CHECKSUM_64_H
 
diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h
index 47bea8cadbd0..dc4cfc888d6d 100644
--- a/arch/x86/include/asm/clocksource.h
+++ b/arch/x86/include/asm/clocksource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* x86-specific clocksource additions */
 
 #ifndef _ASM_X86_CLOCKSOURCE_H
diff --git a/arch/x86/include/asm/cmdline.h b/arch/x86/include/asm/cmdline.h
index 84ae170bc3d0..6faaf27e8899 100644
--- a/arch/x86/include/asm/cmdline.h
+++ b/arch/x86/include/asm/cmdline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CMDLINE_H
 #define _ASM_X86_CMDLINE_H
 
diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
index b5069e802d5c..56bd436ed01b 100644
--- a/arch/x86/include/asm/cmpxchg.h
+++ b/arch/x86/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_CMPXCHG_H
 #define ASM_X86_CMPXCHG_H
 
diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
index e4959d023af8..1732704f0445 100644
--- a/arch/x86/include/asm/cmpxchg_32.h
+++ b/arch/x86/include/asm/cmpxchg_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CMPXCHG_32_H
 #define _ASM_X86_CMPXCHG_32_H
 
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index caa23a34c963..03cad196a301 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CMPXCHG_64_H
 #define _ASM_X86_CMPXCHG_64_H
 
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 5343c19814b3..9eef9cc64c68 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_COMPAT_H
 #define _ASM_X86_COMPAT_H
 
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 9b7fa6313f1a..adc6cc86b062 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CPU_H
 #define _ASM_X86_CPU_H
 
diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h
index ff501e511d91..baeba0567126 100644
--- a/arch/x86/include/asm/cpu_device_id.h
+++ b/arch/x86/include/asm/cpu_device_id.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CPU_DEVICE_ID
 #define _CPU_DEVICE_ID 1
 
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index d59c15c3defd..0dfa68438e80 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CPUFEATURE_H
 #define _ASM_X86_CPUFEATURE_H
 
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 2519c6c801c9..793690fbda36 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CPUFEATURES_H
 #define _ASM_X86_CPUFEATURES_H
 
diff --git a/arch/x86/include/asm/cpumask.h b/arch/x86/include/asm/cpumask.h
index 61c852fa346b..6722ffcef2e6 100644
--- a/arch/x86/include/asm/cpumask.h
+++ b/arch/x86/include/asm/cpumask.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CPUMASK_H
 #define _ASM_X86_CPUMASK_H
 #ifndef __ASSEMBLY__
diff --git a/arch/x86/include/asm/crash.h b/arch/x86/include/asm/crash.h
index f498411f2500..a7adb2bfbf0b 100644
--- a/arch/x86/include/asm/crash.h
+++ b/arch/x86/include/asm/crash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CRASH_H
 #define _ASM_X86_CRASH_H
 
diff --git a/arch/x86/include/asm/crypto/aes.h b/arch/x86/include/asm/crypto/aes.h
index 80545a1cbe39..c508521dd190 100644
--- a/arch/x86/include/asm/crypto/aes.h
+++ b/arch/x86/include/asm/crypto/aes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_AES_H
 #define ASM_X86_AES_H
 
diff --git a/arch/x86/include/asm/crypto/camellia.h b/arch/x86/include/asm/crypto/camellia.h
index bb93333d9200..10f8d590bcfe 100644
--- a/arch/x86/include/asm/crypto/camellia.h
+++ b/arch/x86/include/asm/crypto/camellia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_CAMELLIA_H
 #define ASM_X86_CAMELLIA_H
 
diff --git a/arch/x86/include/asm/crypto/glue_helper.h b/arch/x86/include/asm/crypto/glue_helper.h
index ed8b66de541f..553a03de55c3 100644
--- a/arch/x86/include/asm/crypto/glue_helper.h
+++ b/arch/x86/include/asm/crypto/glue_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared glue code for 128bit block ciphers
  */
diff --git a/arch/x86/include/asm/crypto/serpent-avx.h b/arch/x86/include/asm/crypto/serpent-avx.h
index 33c2b8a435da..c958b7bd0fcb 100644
--- a/arch/x86/include/asm/crypto/serpent-avx.h
+++ b/arch/x86/include/asm/crypto/serpent-avx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_SERPENT_AVX_H
 #define ASM_X86_SERPENT_AVX_H
 
diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h
index e6e77dffbdab..1a345e8a7496 100644
--- a/arch/x86/include/asm/crypto/serpent-sse2.h
+++ b/arch/x86/include/asm/crypto/serpent-sse2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_SERPENT_SSE2_H
 #define ASM_X86_SERPENT_SSE2_H
 
diff --git a/arch/x86/include/asm/crypto/twofish.h b/arch/x86/include/asm/crypto/twofish.h
index 878c51ceebb5..65bb80adba3e 100644
--- a/arch/x86/include/asm/crypto/twofish.h
+++ b/arch/x86/include/asm/crypto/twofish.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_TWOFISH_H
 #define ASM_X86_TWOFISH_H
 
diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h
index 9476c04ee635..3e204e6140b5 100644
--- a/arch/x86/include/asm/current.h
+++ b/arch/x86/include/asm/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CURRENT_H
 #define _ASM_X86_CURRENT_H
 
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index 12cb66f6d3a5..4505ac2735ad 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DEBUGREG_H
 #define _ASM_X86_DEBUGREG_H
 
diff --git a/arch/x86/include/asm/delay.h b/arch/x86/include/asm/delay.h
index 36a760bda462..de9e7841f953 100644
--- a/arch/x86/include/asm/delay.h
+++ b/arch/x86/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DELAY_H
 #define _ASM_X86_DELAY_H
 
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index 9d0e13738ed3..0a3e808b9123 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DESC_H
 #define _ASM_X86_DESC_H
 
diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
index 346d252029b7..a91f3b6e4f2a 100644
--- a/arch/x86/include/asm/desc_defs.h
+++ b/arch/x86/include/asm/desc_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Written 2000 by Andi Kleen */
 #ifndef _ASM_X86_DESC_DEFS_H
 #define _ASM_X86_DESC_DEFS_H
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 1b3ef26e77df..5e12c63b47aa 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DEVICE_H
 #define _ASM_X86_DEVICE_H
 
diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h
index af95c47d5c9e..20a46150e0a8 100644
--- a/arch/x86/include/asm/div64.h
+++ b/arch/x86/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DIV64_H
 #define _ASM_X86_DIV64_H
 
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 1387dafdba2d..836ca1178a6a 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DMA_MAPPING_H
 #define _ASM_X86_DMA_MAPPING_H
 
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h
index fe884e18fa6e..00f7cf45e699 100644
--- a/arch/x86/include/asm/dma.h
+++ b/arch/x86/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm/dma.h: Defines for using and allocating dma channels.
  * Written by Hennus Bergman, 1992.
diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h
index a8e15b04565b..0ab2ab27ad1f 100644
--- a/arch/x86/include/asm/dmi.h
+++ b/arch/x86/include/asm/dmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DMI_H
 #define _ASM_X86_DMI_H
 
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index b7a1ab865d68..ae391f609840 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DWARF2_H
 #define _ASM_X86_DWARF2_H
 
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index cd266d830e49..62be73b23d5c 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_E820_API_H
 #define _ASM_E820_API_H
 
diff --git a/arch/x86/include/asm/e820/types.h b/arch/x86/include/asm/e820/types.h
index 4adeed03a9a1..c3aa4b5e49e2 100644
--- a/arch/x86/include/asm/e820/types.h
+++ b/arch/x86/include/asm/e820/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_E820_TYPES_H
 #define _ASM_E820_TYPES_H
 
diff --git a/arch/x86/include/asm/edac.h b/arch/x86/include/asm/edac.h
index cf8fdf83b231..426fc53ff803 100644
--- a/arch/x86/include/asm/edac.h
+++ b/arch/x86/include/asm/edac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_EDAC_H
 #define _ASM_X86_EDAC_H
 
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 796ff6c1aa53..85f6ccb80b91 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_EFI_H
 #define _ASM_X86_EFI_H
 
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 04330c8d9af9..c1a125e47ff3 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ELF_H
 #define _ASM_X86_ELF_H
 
diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
index 77a99ac06d00..2abde717db31 100644
--- a/arch/x86/include/asm/emergency-restart.h
+++ b/arch/x86/include/asm/emergency-restart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_EMERGENCY_RESTART_H
 #define _ASM_X86_EMERGENCY_RESTART_H
 
diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h
index aa15d1f7e530..416422762845 100644
--- a/arch/x86/include/asm/entry_arch.h
+++ b/arch/x86/include/asm/entry_arch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is designed to contain the BUILD_INTERRUPT specifications for
  * all of the extra named interrupt vectors used by the architecture.
diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h
index ca3ce9ab9385..0211029076ea 100644
--- a/arch/x86/include/asm/espfix.h
+++ b/arch/x86/include/asm/espfix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_ESPFIX_H
 #define _ASM_X86_ESPFIX_H
 
diff --git a/arch/x86/include/asm/export.h b/arch/x86/include/asm/export.h
index 138de56b13eb..2a51d66689c5 100644
--- a/arch/x86/include/asm/export.h
+++ b/arch/x86/include/asm/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_64BIT
 #define KSYM_ALIGN 16
 #endif
diff --git a/arch/x86/include/asm/extable.h b/arch/x86/include/asm/extable.h
index c66d19e3c23e..f9c3a5d502f4 100644
--- a/arch/x86/include/asm/extable.h
+++ b/arch/x86/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_EXTABLE_H
 #define _ASM_X86_EXTABLE_H
 /*
diff --git a/arch/x86/include/asm/fb.h b/arch/x86/include/asm/fb.h
index c3dd5e71f439..ab4c960146e3 100644
--- a/arch/x86/include/asm/fb.h
+++ b/arch/x86/include/asm/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_FB_H
 #define _ASM_X86_FB_H
 
diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index 0877ae018fc9..a9caac9d4a72 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1994 Linus Torvalds
  *
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index e3221ffa304e..a38bf5a1e37a 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1994 Linus Torvalds
  *
diff --git a/arch/x86/include/asm/fpu/regset.h b/arch/x86/include/asm/fpu/regset.h
index 39d3107ac6c7..d5bdffb9d27f 100644
--- a/arch/x86/include/asm/fpu/regset.h
+++ b/arch/x86/include/asm/fpu/regset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * FPU regset handling methods:
  */
diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h
index 20a1fbf7fe4e..4df2754ef380 100644
--- a/arch/x86/include/asm/fpu/signal.h
+++ b/arch/x86/include/asm/fpu/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * x86 FPU signal frame handling methods:
  */
diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h
index a1520575d86b..202c53918ecf 100644
--- a/arch/x86/include/asm/fpu/types.h
+++ b/arch/x86/include/asm/fpu/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * FPU data structures:
  */
diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index 83fee2469eb7..48581988d78c 100644
--- a/arch/x86/include/asm/fpu/xstate.h
+++ b/arch/x86/include/asm/fpu/xstate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_X86_XSAVE_H
 #define __ASM_X86_XSAVE_H
 
diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h
index 6e4d170726b7..5cbce6fbb534 100644
--- a/arch/x86/include/asm/frame.h
+++ b/arch/x86/include/asm/frame.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_FRAME_H
 #define _ASM_X86_FRAME_H
 
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index eccd0ac6bc38..09ad88572746 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_FTRACE_H
 #define _ASM_X86_FTRACE_H
 
diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index f4dc9b63bdda..de4d68852d3a 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_FUTEX_H
 #define _ASM_X86_FUTEX_H
 
diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
index 1d268098ac2e..318556574345 100644
--- a/arch/x86/include/asm/gart.h
+++ b/arch/x86/include/asm/gart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_GART_H
 #define _ASM_X86_GART_H
 
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index ad1ed531febc..51cc979dd364 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HARDIRQ_H
 #define _ASM_X86_HARDIRQ_H
 
diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h
index 1c0b43724ce3..a8059930056d 100644
--- a/arch/x86/include/asm/highmem.h
+++ b/arch/x86/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index cc285ec4b2c1..67385d56d4f4 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HPET_H
 #define _ASM_X86_HPET_H
 
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 535af0f2d8ac..5ed826da5e07 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HUGETLB_H
 #define _ASM_X86_HUGETLB_H
 
diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h
index 6c98be864a75..f59c39835a5a 100644
--- a/arch/x86/include/asm/hw_breakpoint.h
+++ b/arch/x86/include/asm/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	_I386_HW_BREAKPOINT_H
 #define	_I386_HW_BREAKPOINT_H
 
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 6dfe366a8804..8ec99a55e6b9 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HW_IRQ_H
 #define _ASM_X86_HW_IRQ_H
 
diff --git a/arch/x86/include/asm/hypertransport.h b/arch/x86/include/asm/hypertransport.h
index 334b1a885d9c..5d55df352879 100644
--- a/arch/x86/include/asm/hypertransport.h
+++ b/arch/x86/include/asm/hypertransport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HYPERTRANSPORT_H
 #define _ASM_X86_HYPERTRANSPORT_H
 
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index 39bcefc20de7..c8376b40e882 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_I8259_H
 #define _ASM_X86_I8259_H
 
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index a9bdf5569ab3..2c5f7861d373 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IA32_H
 #define _ASM_X86_IA32_H
 
diff --git a/arch/x86/include/asm/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h
index b0d5716ca1e4..aa065c94ccf5 100644
--- a/arch/x86/include/asm/ia32_unistd.h
+++ b/arch/x86/include/asm/ia32_unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IA32_UNISTD_H
 #define _ASM_X86_IA32_UNISTD_H
 
diff --git a/arch/x86/include/asm/init.h b/arch/x86/include/asm/init.h
index 05c4aa00cc86..5f1d3c421f68 100644
--- a/arch/x86/include/asm/init.h
+++ b/arch/x86/include/asm/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INIT_H
 #define _ASM_X86_INIT_H
 
diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h
index 3e115273ed88..f5a796da07f8 100644
--- a/arch/x86/include/asm/inst.h
+++ b/arch/x86/include/asm/inst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generate .byte code for some instructions not supported by old
  * binutils.
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 75b748a1deb8..35a6bc4da8ad 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_FAMILY_H
 #define _ASM_X86_INTEL_FAMILY_H
 
diff --git a/arch/x86/include/asm/intel_mid_vrtc.h b/arch/x86/include/asm/intel_mid_vrtc.h
index 86ff4685c409..35555016b1be 100644
--- a/arch/x86/include/asm/intel_mid_vrtc.h
+++ b/arch/x86/include/asm/intel_mid_vrtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INTEL_MID_VRTC_H
 #define _INTEL_MID_VRTC_H
 
diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h
index fac89eb78a6b..528ed4be4393 100644
--- a/arch/x86/include/asm/intel_pmc_ipc.h
+++ b/arch/x86/include/asm/intel_pmc_ipc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_PMC_IPC_H_
 #define  _ASM_X86_INTEL_PMC_IPC_H_
 
diff --git a/arch/x86/include/asm/intel_pt.h b/arch/x86/include/asm/intel_pt.h
index e1a411786bf5..b523f51c5400 100644
--- a/arch/x86/include/asm/intel_pt.h
+++ b/arch/x86/include/asm/intel_pt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_PT_H
 #define _ASM_X86_INTEL_PT_H
 
diff --git a/arch/x86/include/asm/intel_punit_ipc.h b/arch/x86/include/asm/intel_punit_ipc.h
index 201eb9dce595..ce16da719596 100644
--- a/arch/x86/include/asm/intel_punit_ipc.h
+++ b/arch/x86/include/asm/intel_punit_ipc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_PUNIT_IPC_H_
 #define  _ASM_X86_INTEL_PUNIT_IPC_H_
 
diff --git a/arch/x86/include/asm/intel_rdt_sched.h b/arch/x86/include/asm/intel_rdt_sched.h
index b4bbf8b21512..9acb06b6f81e 100644
--- a/arch/x86/include/asm/intel_rdt_sched.h
+++ b/arch/x86/include/asm/intel_rdt_sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_RDT_SCHED_H
 #define _ASM_X86_INTEL_RDT_SCHED_H
 
diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 81d3d8776fd9..4a8c6e817398 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_SCU_IPC_H_
 #define  _ASM_X86_INTEL_SCU_IPC_H_
 
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 322d25ae23ab..efb6c17ca902 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IO_H
 #define _ASM_X86_IO_H
 
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 6cbf2cfb3f8a..5c27e146a166 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IO_APIC_H
 #define _ASM_X86_IO_APIC_H
 
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index fca144a104e4..1e5d5d92eb40 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IOMMU_H
 #define _ASM_X86_IOMMU_H
 
diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h
index e37d6b3ad983..1fb3fd1a83c2 100644
--- a/arch/x86/include/asm/iommu_table.h
+++ b/arch/x86/include/asm/iommu_table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IOMMU_TABLE_H
 #define _ASM_X86_IOMMU_TABLE_H
 
diff --git a/arch/x86/include/asm/iosf_mbi.h b/arch/x86/include/asm/iosf_mbi.h
index c313cac36f56..7d87437bd030 100644
--- a/arch/x86/include/asm/iosf_mbi.h
+++ b/arch/x86/include/asm/iosf_mbi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Intel OnChip System Fabric MailBox access support
  */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 9958ceea2fa3..d8632f8fa17d 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IRQ_H
 #define _ASM_X86_IRQ_H
 /*
diff --git a/arch/x86/include/asm/irq_regs.h b/arch/x86/include/asm/irq_regs.h
index d82250b1debb..8f3bee821e6c 100644
--- a/arch/x86/include/asm/irq_regs.h
+++ b/arch/x86/include/asm/irq_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Per-cpu current frame pointer - the location of the last exception frame on
  * the stack, stored in the per-cpu area.
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index aaf8d28b5d00..c20ffca8fef1 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_IRQ_VECTORS_H
 #define _ASM_X86_IRQ_VECTORS_H
 
diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h
index ddbb8ea0f5a9..800ffce0db29 100644
--- a/arch/x86/include/asm/irq_work.h
+++ b/arch/x86/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IRQ_WORK_H
 #define _ASM_IRQ_WORK_H
 
diff --git a/arch/x86/include/asm/irqdomain.h b/arch/x86/include/asm/irqdomain.h
index d26075b52885..423e112c1e8f 100644
--- a/arch/x86/include/asm/irqdomain.h
+++ b/arch/x86/include/asm/irqdomain.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_IRQDOMAIN_H
 #define _ASM_IRQDOMAIN_H
 
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index ac7692dcfa2e..c8ef23f2c28f 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _X86_IRQFLAGS_H_
 #define _X86_IRQFLAGS_H_
 
diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h
index adc54c12cbd1..8c0de4282659 100644
--- a/arch/x86/include/asm/jump_label.h
+++ b/arch/x86/include/asm/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_JUMP_LABEL_H
 #define _ASM_X86_JUMP_LABEL_H
 
diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h
index f527b02a0ee3..b577dd0916aa 100644
--- a/arch/x86/include/asm/kasan.h
+++ b/arch/x86/include/asm/kasan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KASAN_H
 #define _ASM_X86_KASAN_H
 
diff --git a/arch/x86/include/asm/kaslr.h b/arch/x86/include/asm/kaslr.h
index 1052a797d71d..460991e3b529 100644
--- a/arch/x86/include/asm/kaslr.h
+++ b/arch/x86/include/asm/kaslr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KASLR_H_
 #define _ASM_KASLR_H_
 
diff --git a/arch/x86/include/asm/kbdleds.h b/arch/x86/include/asm/kbdleds.h
index f27ac5ff597d..197ea4fedd53 100644
--- a/arch/x86/include/asm/kbdleds.h
+++ b/arch/x86/include/asm/kbdleds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KBDLEDS_H
 #define _ASM_X86_KBDLEDS_H
 
diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h
index 29a594a3b82a..f86a8caa561e 100644
--- a/arch/x86/include/asm/kdebug.h
+++ b/arch/x86/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KDEBUG_H
 #define _ASM_X86_KDEBUG_H
 
diff --git a/arch/x86/include/asm/kexec-bzimage64.h b/arch/x86/include/asm/kexec-bzimage64.h
index d1b5d194e31d..9f07cff43705 100644
--- a/arch/x86/include/asm/kexec-bzimage64.h
+++ b/arch/x86/include/asm/kexec-bzimage64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KEXEC_BZIMAGE64_H
 #define _ASM_KEXEC_BZIMAGE64_H
 
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index 942c1f444da8..f327236f0fa7 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KEXEC_H
 #define _ASM_X86_KEXEC_H
 
diff --git a/arch/x86/include/asm/kgdb.h b/arch/x86/include/asm/kgdb.h
index 22a8537eb780..aacaf2502bd2 100644
--- a/arch/x86/include/asm/kgdb.h
+++ b/arch/x86/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KGDB_H
 #define _ASM_X86_KGDB_H
 
diff --git a/arch/x86/include/asm/kmap_types.h b/arch/x86/include/asm/kmap_types.h
index 9e00a731a7fb..04ab8266e347 100644
--- a/arch/x86/include/asm/kmap_types.h
+++ b/arch/x86/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KMAP_TYPES_H
 #define _ASM_X86_KMAP_TYPES_H
 
diff --git a/arch/x86/include/asm/kmemcheck.h b/arch/x86/include/asm/kmemcheck.h
index ed01518f297e..945a0337fbcf 100644
--- a/arch/x86/include/asm/kmemcheck.h
+++ b/arch/x86/include/asm/kmemcheck.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_X86_KMEMCHECK_H
 #define ASM_X86_KMEMCHECK_H
 
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index fa2558e12024..ee23a43386a2 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * x86_emulate.h
  *
diff --git a/arch/x86/include/asm/kvm_guest.h b/arch/x86/include/asm/kvm_guest.h
index a92b1763c419..46185263d9c2 100644
--- a/arch/x86/include/asm/kvm_guest.h
+++ b/arch/x86/include/asm/kvm_guest.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KVM_GUEST_H
 #define _ASM_X86_KVM_GUEST_H
 
diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h
index c4eda791f877..172f9749dbb2 100644
--- a/arch/x86/include/asm/kvm_page_track.h
+++ b/arch/x86/include/asm/kvm_page_track.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KVM_PAGE_TRACK_H
 #define _ASM_X86_KVM_PAGE_TRACK_H
 
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 59ad3d132353..c373e44049b1 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KVM_PARA_H
 #define _ASM_X86_KVM_PARA_H
 
diff --git a/arch/x86/include/asm/kvmclock.h b/arch/x86/include/asm/kvmclock.h
index f260bef63591..eceea9299097 100644
--- a/arch/x86/include/asm/kvmclock.h
+++ b/arch/x86/include/asm/kvmclock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_KVM_CLOCK_H
 #define _ASM_X86_KVM_CLOCK_H
 
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index 0ccb26dda126..14caa9d9fb7f 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_LINKAGE_H
 #define _ASM_X86_LINKAGE_H
 
diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
index 7511978093eb..c91083c59845 100644
--- a/arch/x86/include/asm/local.h
+++ b/arch/x86/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_LOCAL_H
 #define _ASM_X86_LOCAL_H
 
diff --git a/arch/x86/include/asm/mach_timer.h b/arch/x86/include/asm/mach_timer.h
index 88d0c3c74c13..044daf6fb8f6 100644
--- a/arch/x86/include/asm/mach_timer.h
+++ b/arch/x86/include/asm/mach_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Machine specific calibrate_tsc() for generic.
  *  Split out from timer_tsc.c by Osamu Tomita <tomita@cinet.co.jp>
diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h
index a01e7ec7d237..e39a517467cd 100644
--- a/arch/x86/include/asm/mach_traps.h
+++ b/arch/x86/include/asm/mach_traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Machine specific NMI handling for generic.
  *  Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
diff --git a/arch/x86/include/asm/math_emu.h b/arch/x86/include/asm/math_emu.h
index 0d9b14f60d2c..3c42743083ed 100644
--- a/arch/x86/include/asm/math_emu.h
+++ b/arch/x86/include/asm/math_emu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MATH_EMU_H
 #define _ASM_X86_MATH_EMU_H
 
diff --git a/arch/x86/include/asm/mc146818rtc.h b/arch/x86/include/asm/mc146818rtc.h
index 24acd9ba7837..1775a32f7ea6 100644
--- a/arch/x86/include/asm/mc146818rtc.h
+++ b/arch/x86/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Machine dependent access functions for RTC registers.
  */
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 8edac1de2e35..b1e8d8db921f 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MCE_H
 #define _ASM_X86_MCE_H
 
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index daadeeea00b1..55520cec8b27 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MICROCODE_H
 #define _ASM_X86_MICROCODE_H
 
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index 3d57009e168b..209492849566 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MICROCODE_AMD_H
 #define _ASM_X86_MICROCODE_AMD_H
 
diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h
index e793fc9a9b20..d85a07d7154f 100644
--- a/arch/x86/include/asm/microcode_intel.h
+++ b/arch/x86/include/asm/microcode_intel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MICROCODE_INTEL_H
 #define _ASM_X86_MICROCODE_INTEL_H
 
diff --git a/arch/x86/include/asm/misc.h b/arch/x86/include/asm/misc.h
index 475f5bbc7f53..bb049cca3729 100644
--- a/arch/x86/include/asm/misc.h
+++ b/arch/x86/include/asm/misc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MISC_H
 #define _ASM_X86_MISC_H
 
diff --git a/arch/x86/include/asm/mmconfig.h b/arch/x86/include/asm/mmconfig.h
index 04a3fed22cfe..976486447e10 100644
--- a/arch/x86/include/asm/mmconfig.h
+++ b/arch/x86/include/asm/mmconfig.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MMCONFIG_H
 #define _ASM_X86_MMCONFIG_H
 
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index bb8c597c2248..9ea26f167497 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MMU_H
 #define _ASM_X86_MMU_H
 
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index 3c856a15b98e..6699fc441644 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MMU_CONTEXT_H
 #define _ASM_X86_MMU_CONTEXT_H
 
diff --git a/arch/x86/include/asm/mmx.h b/arch/x86/include/asm/mmx.h
index 5cbf3135b971..f572d0f944bb 100644
--- a/arch/x86/include/asm/mmx.h
+++ b/arch/x86/include/asm/mmx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MMX_H
 #define _ASM_X86_MMX_H
 
diff --git a/arch/x86/include/asm/mmzone.h b/arch/x86/include/asm/mmzone.h
index d497bc425cae..c41b41edd691 100644
--- a/arch/x86/include/asm/mmzone.h
+++ b/arch/x86/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_X86_32
 # include <asm/mmzone_32.h>
 #else
diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h
index 1ec990bd7dc0..73d8dd14dda2 100644
--- a/arch/x86/include/asm/mmzone_32.h
+++ b/arch/x86/include/asm/mmzone_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002
  *
diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h
index 129d9aa3ceb3..0c585046f744 100644
--- a/arch/x86/include/asm/mmzone_64.h
+++ b/arch/x86/include/asm/mmzone_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* K8 NUMA support */
 /* Copyright 2002,2003 by Andi Kleen, SuSE Labs */
 /* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */
diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
index 9eb7c718aaf8..8546fafa21a9 100644
--- a/arch/x86/include/asm/module.h
+++ b/arch/x86/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MODULE_H
 #define _ASM_X86_MODULE_H
 
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index c471ca1f9412..606cbaebd336 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MPSPEC_H
 #define _ASM_X86_MPSPEC_H
 
diff --git a/arch/x86/include/asm/mpspec_def.h b/arch/x86/include/asm/mpspec_def.h
index b31f8c098271..9492893aec52 100644
--- a/arch/x86/include/asm/mpspec_def.h
+++ b/arch/x86/include/asm/mpspec_def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MPSPEC_DEF_H
 #define _ASM_X86_MPSPEC_DEF_H
 
diff --git a/arch/x86/include/asm/mpx.h b/arch/x86/include/asm/mpx.h
index 7d7404756bb4..61eb4b63c5ec 100644
--- a/arch/x86/include/asm/mpx.h
+++ b/arch/x86/include/asm/mpx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MPX_H
 #define _ASM_X86_MPX_H
 
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 530f448fddaf..581bb54dd464 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MSHYPER_H
 #define _ASM_X86_MSHYPER_H
 
diff --git a/arch/x86/include/asm/msi.h b/arch/x86/include/asm/msi.h
index eb4b09b41df5..25ddd0916bb2 100644
--- a/arch/x86/include/asm/msi.h
+++ b/arch/x86/include/asm/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MSI_H
 #define _ASM_X86_MSI_H
 #include <asm/hw_irq.h>
diff --git a/arch/x86/include/asm/msidef.h b/arch/x86/include/asm/msidef.h
index 4cc48af23fef..ee2f8ccc32d0 100644
--- a/arch/x86/include/asm/msidef.h
+++ b/arch/x86/include/asm/msidef.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MSIDEF_H
 #define _ASM_X86_MSIDEF_H
 
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 17f5c12e1afd..ab022618a50a 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MSR_INDEX_H
 #define _ASM_X86_MSR_INDEX_H
 
diff --git a/arch/x86/include/asm/msr-trace.h b/arch/x86/include/asm/msr-trace.h
index 7567225747d8..f6adbe96856a 100644
--- a/arch/x86/include/asm/msr-trace.h
+++ b/arch/x86/include/asm/msr-trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM msr
 
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 898dba2e2e2c..07962f5f6fba 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MSR_H
 #define _ASM_X86_MSR_H
 
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
index bda3c27f0da0..39a2fb29378a 100644
--- a/arch/x86/include/asm/mwait.h
+++ b/arch/x86/include/asm/mwait.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_MWAIT_H
 #define _ASM_X86_MWAIT_H
 
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index 5f2fc4441b11..75ded1d13d98 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_NMI_H
 #define _ASM_X86_NMI_H
 
diff --git a/arch/x86/include/asm/nops.h b/arch/x86/include/asm/nops.h
index aff2b3356101..12f12b5cf2ca 100644
--- a/arch/x86/include/asm/nops.h
+++ b/arch/x86/include/asm/nops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_NOPS_H
 #define _ASM_X86_NOPS_H
 
diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h
index 01b493e5a99b..bbfde3d2662f 100644
--- a/arch/x86/include/asm/numa.h
+++ b/arch/x86/include/asm/numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_NUMA_H
 #define _ASM_X86_NUMA_H
 
diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h
index e7d6b8254742..9c8e9e85be77 100644
--- a/arch/x86/include/asm/numa_32.h
+++ b/arch/x86/include/asm/numa_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_NUMA_32_H
 #define _ASM_X86_NUMA_32_H
 
diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h
index 72f9adf6eca4..c2bf1de5d901 100644
--- a/arch/x86/include/asm/olpc.h
+++ b/arch/x86/include/asm/olpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* OLPC machine specific definitions */
 
 #ifndef _ASM_X86_OLPC_H
diff --git a/arch/x86/include/asm/olpc_ofw.h b/arch/x86/include/asm/olpc_ofw.h
index 24487712e0b1..8c2a1daf7f72 100644
--- a/arch/x86/include/asm/olpc_ofw.h
+++ b/arch/x86/include/asm/olpc_ofw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_OLPC_OFW_H
 #define _ASM_X86_OLPC_OFW_H
 
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index cf8f619b305f..7555b48803a8 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_H
 #define _ASM_X86_PAGE_H
 
diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h
index 904f528cc8e8..94dbd51df58f 100644
--- a/arch/x86/include/asm/page_32.h
+++ b/arch/x86/include/asm/page_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_32_H
 #define _ASM_X86_PAGE_32_H
 
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index 3bae4969ac65..aa30c3241ea7 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_32_DEFS_H
 #define _ASM_X86_PAGE_32_DEFS_H
 
diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h
index b50df06ad251..4baa6bceb232 100644
--- a/arch/x86/include/asm/page_64.h
+++ b/arch/x86/include/asm/page_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_64_H
 #define _ASM_X86_PAGE_64_H
 
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 3f5f08b010d0..e1407312c412 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_64_DEFS_H
 #define _ASM_X86_PAGE_64_DEFS_H
 
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index b98ed9d14630..1e53560a84bb 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAGE_DEFS_H
 #define _ASM_X86_PAGE_DEFS_H
 
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 12deec722cf0..fd81228e8037 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PARAVIRT_H
 #define _ASM_X86_PARAVIRT_H
 /* Various instructions on x86 need to be replaced for
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 280d94c36dad..10cc3b9709fe 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PARAVIRT_TYPES_H
 #define _ASM_X86_PARAVIRT_TYPES_H
 
diff --git a/arch/x86/include/asm/parport.h b/arch/x86/include/asm/parport.h
index 0d2d3b29118f..163f78259a7e 100644
--- a/arch/x86/include/asm/parport.h
+++ b/arch/x86/include/asm/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PARPORT_H
 #define _ASM_X86_PARPORT_H
 
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h
index fffb2794dd89..8a3ee355b422 100644
--- a/arch/x86/include/asm/pat.h
+++ b/arch/x86/include/asm/pat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PAT_H
 #define _ASM_X86_PAT_H
 
diff --git a/arch/x86/include/asm/pci-direct.h b/arch/x86/include/asm/pci-direct.h
index b1e7a45d868a..e1084f71a295 100644
--- a/arch/x86/include/asm/pci-direct.h
+++ b/arch/x86/include/asm/pci-direct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PCI_DIRECT_H
 #define _ASM_X86_PCI_DIRECT_H
 
diff --git a/arch/x86/include/asm/pci-functions.h b/arch/x86/include/asm/pci-functions.h
index ed0bab427354..1bbc10812ae1 100644
--- a/arch/x86/include/asm/pci-functions.h
+++ b/arch/x86/include/asm/pci-functions.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	PCI BIOS function numbering for conventional PCI BIOS 
  *	systems
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 473a7295ab10..09c06b0fb964 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PCI_H
 #define _ASM_X86_PCI_H
 
diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h
index fe15cfb21b9b..f5411de0ae11 100644
--- a/arch/x86/include/asm/pci_64.h
+++ b/arch/x86/include/asm/pci_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PCI_64_H
 #define _ASM_X86_PCI_64_H
 
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 9f1b21f372fe..7a5d6695abd3 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Low-Level PCI Access for i386 machines.
  *
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 9fa03604b2b3..377f1ffd18be 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PERCPU_H
 #define _ASM_X86_PERCPU_H
 
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index f353061bba1d..12f54082f4c8 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PERF_EVENT_H
 #define _ASM_X86_PERF_EVENT_H
 
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index d725382c2ae0..94de1a05aeba 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Netburst Performance Events (P4, old Xeon)
  */
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index b2d0cd8288aa..4b5e1eafada7 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGALLOC_H
 #define _ASM_X86_PGALLOC_H
 
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index a8b96e708c2b..685ffe8a0eaf 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_2LEVEL_H
 #define _ASM_X86_PGTABLE_2LEVEL_H
 
diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
index 373ab1de909f..f982ef808e7e 100644
--- a/arch/x86/include/asm/pgtable-2level_types.h
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
 #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
 
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index c8821bab938f..bc4af5453802 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_3LEVEL_H
 #define _ASM_X86_PGTABLE_3LEVEL_H
 
diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h
index b8a4341faafa..876b4c77d983 100644
--- a/arch/x86/include/asm/pgtable-3level_types.h
+++ b/arch/x86/include/asm/pgtable-3level_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H
 #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H
 
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index b714934512b3..f735c3016325 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_H
 #define _ASM_X86_PGTABLE_H
 
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index bfab55675c16..e67c0620aec2 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_32_H
 #define _ASM_X86_PGTABLE_32_H
 
diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h
index 9fb2f2bc8245..f2ca9b28fd68 100644
--- a/arch/x86/include/asm/pgtable_32_types.h
+++ b/arch/x86/include/asm/pgtable_32_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_32_DEFS_H
 #define _ASM_X86_PGTABLE_32_DEFS_H
 
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 972a4698c530..e9f05331e732 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_64_H
 #define _ASM_X86_PGTABLE_64_H
 
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 06470da156ba..6d5f45dcd4a1 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_64_DEFS_H
 #define _ASM_X86_PGTABLE_64_DEFS_H
 
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index f1492473f10e..59df7b47a434 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PGTABLE_DEFS_H
 #define _ASM_X86_PGTABLE_DEFS_H
 
diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h
index b3b09b98896d..a0ba1ffda0df 100644
--- a/arch/x86/include/asm/pkeys.h
+++ b/arch/x86/include/asm/pkeys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PKEYS_H
 #define _ASM_X86_PKEYS_H
 
diff --git a/arch/x86/include/asm/pm-trace.h b/arch/x86/include/asm/pm-trace.h
index 7b7ac42c3661..bfa32aa428e5 100644
--- a/arch/x86/include/asm/pm-trace.h
+++ b/arch/x86/include/asm/pm-trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PM_TRACE_H
 #define _ASM_X86_PM_TRACE_H
 
diff --git a/arch/x86/include/asm/posix_types.h b/arch/x86/include/asm/posix_types.h
index f565f6dd59d4..374336e217ff 100644
--- a/arch/x86/include/asm/posix_types.h
+++ b/arch/x86/include/asm/posix_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 # ifdef CONFIG_X86_32
 #  include <asm/posix_types_32.h>
 # else
diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h
index 4f44505dbf87..7f2dbd91fc74 100644
--- a/arch/x86/include/asm/preempt.h
+++ b/arch/x86/include/asm/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PREEMPT_H
 #define __ASM_PREEMPT_H
 
diff --git a/arch/x86/include/asm/probe_roms.h b/arch/x86/include/asm/probe_roms.h
index 4950a0b1d09c..1c7f3815bbd6 100644
--- a/arch/x86/include/asm/probe_roms.h
+++ b/arch/x86/include/asm/probe_roms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PROBE_ROMS_H_
 #define _PROBE_ROMS_H_
 struct pci_dev;
diff --git a/arch/x86/include/asm/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h
index 1198f2a0e42c..aaedd73ea2c6 100644
--- a/arch/x86/include/asm/processor-cyrix.h
+++ b/arch/x86/include/asm/processor-cyrix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NSC/Cyrix CPU indexed register access. Must be inlined instead of
  * macros to ensure correct access ordering
diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h
index dc723b64acf0..43212a43ee69 100644
--- a/arch/x86/include/asm/processor-flags.h
+++ b/arch/x86/include/asm/processor-flags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PROCESSOR_FLAGS_H
 #define _ASM_X86_PROCESSOR_FLAGS_H
 
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index b390ff76e58f..bdac19ab2488 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PROCESSOR_H
 #define _ASM_X86_PROCESSOR_H
 
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index b408b1886195..6e81788a30c1 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PROTO_H
 #define _ASM_X86_PROTO_H
 
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 91c04c8e67fa..c0e3c45cf6ab 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PTRACE_H
 #define _ASM_X86_PTRACE_H
 
diff --git a/arch/x86/include/asm/purgatory.h b/arch/x86/include/asm/purgatory.h
index d7da2729903d..92c34e517da1 100644
--- a/arch/x86/include/asm/purgatory.h
+++ b/arch/x86/include/asm/purgatory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PURGATORY_H
 #define _ASM_X86_PURGATORY_H
 
diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
index 67f08230103a..1436226efe3e 100644
--- a/arch/x86/include/asm/pvclock-abi.h
+++ b/arch/x86/include/asm/pvclock-abi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PVCLOCK_ABI_H
 #define _ASM_X86_PVCLOCK_ABI_H
 #ifndef __ASSEMBLY__
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index 448cfe1b48cf..3e4ed8fb5f91 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PVCLOCK_H
 #define _ASM_X86_PVCLOCK_H
 
diff --git a/arch/x86/include/asm/qrwlock.h b/arch/x86/include/asm/qrwlock.h
index c537cbb038a7..8656b5a6e8e7 100644
--- a/arch/x86/include/asm/qrwlock.h
+++ b/arch/x86/include/asm/qrwlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_QRWLOCK_H
 #define _ASM_X86_QRWLOCK_H
 
diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h
index 48a706f641f2..9982dd96f093 100644
--- a/arch/x86/include/asm/qspinlock.h
+++ b/arch/x86/include/asm/qspinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_QSPINLOCK_H
 #define _ASM_X86_QSPINLOCK_H
 
diff --git a/arch/x86/include/asm/qspinlock_paravirt.h b/arch/x86/include/asm/qspinlock_paravirt.h
index 9d55f9b6e167..923307ea11c7 100644
--- a/arch/x86/include/asm/qspinlock_paravirt.h
+++ b/arch/x86/include/asm/qspinlock_paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_QSPINLOCK_PARAVIRT_H
 #define __ASM_QSPINLOCK_PARAVIRT_H
 
diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
index 90d91520c13a..63b3393bd98e 100644
--- a/arch/x86/include/asm/realmode.h
+++ b/arch/x86/include/asm/realmode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_X86_REALMODE_H
 #define _ARCH_X86_REALMODE_H
 
diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
index fc62ba8dce93..a671a1145906 100644
--- a/arch/x86/include/asm/reboot.h
+++ b/arch/x86/include/asm/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_REBOOT_H
 #define _ASM_X86_REBOOT_H
 
diff --git a/arch/x86/include/asm/reboot_fixups.h b/arch/x86/include/asm/reboot_fixups.h
index 765debe4c54c..96515658ce12 100644
--- a/arch/x86/include/asm/reboot_fixups.h
+++ b/arch/x86/include/asm/reboot_fixups.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_REBOOT_FIXUPS_H
 #define _ASM_X86_REBOOT_FIXUPS_H
 
diff --git a/arch/x86/include/asm/rio.h b/arch/x86/include/asm/rio.h
index 97bab6388a92..0a21986d2238 100644
--- a/arch/x86/include/asm/rio.h
+++ b/arch/x86/include/asm/rio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Derived from include/asm-x86/mach-summit/mach_mpparse.h
  *          and include/asm-x86/mach-default/bios_ebda.h
diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h
index 045f99211a99..d8f3a6ae9f6c 100644
--- a/arch/x86/include/asm/rmwcc.h
+++ b/arch/x86/include/asm/rmwcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_RMWcc
 #define _ASM_X86_RMWcc
 
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
index 7116b7931c7b..4d38d85a16ad 100644
--- a/arch/x86/include/asm/rwsem.h
+++ b/arch/x86/include/asm/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* rwsem.h: R/W semaphores implemented using XADD/CMPXCHG for i486+
  *
  * Written by David Howells (dhowells@redhat.com).
diff --git a/arch/x86/include/asm/seccomp.h b/arch/x86/include/asm/seccomp.h
index 0c8c7c8861b4..2bd1338de236 100644
--- a/arch/x86/include/asm/seccomp.h
+++ b/arch/x86/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SECCOMP_H
 #define _ASM_X86_SECCOMP_H
 
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
index 2f75f30cb2f6..d6baf23782bc 100644
--- a/arch/x86/include/asm/sections.h
+++ b/arch/x86/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SECTIONS_H
 #define _ASM_X86_SECTIONS_H
 
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
index 066aaf813141..b20f9d623f9c 100644
--- a/arch/x86/include/asm/segment.h
+++ b/arch/x86/include/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SEGMENT_H
 #define _ASM_X86_SEGMENT_H
 
diff --git a/arch/x86/include/asm/serial.h b/arch/x86/include/asm/serial.h
index bb658211edad..ece8299d2695 100644
--- a/arch/x86/include/asm/serial.h
+++ b/arch/x86/include/asm/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SERIAL_H
 #define _ASM_X86_SERIAL_H
 
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index cd71273ec49d..bd090367236c 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SET_MEMORY_H
 #define _ASM_X86_SET_MEMORY_H
 
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index a65cf544686a..ae13bc974416 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SETUP_H
 #define _ASM_X86_SETUP_H
 
diff --git a/arch/x86/include/asm/shmparam.h b/arch/x86/include/asm/shmparam.h
index 0880cf0917b9..c4041819c3e5 100644
--- a/arch/x86/include/asm/shmparam.h
+++ b/arch/x86/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SHMPARAM_H
 #define _ASM_X86_SHMPARAM_H
 
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index e6cd2c489dbb..140d890c2c98 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SIGCONTEXT_H
 #define _ASM_X86_SIGCONTEXT_H
 
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index 34edd1650bae..f176114c04d4 100644
--- a/arch/x86/include/asm/sigframe.h
+++ b/arch/x86/include/asm/sigframe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SIGFRAME_H
 #define _ASM_X86_SIGFRAME_H
 
diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h
index 452c88b8ad06..bd26834724e5 100644
--- a/arch/x86/include/asm/sighandling.h
+++ b/arch/x86/include/asm/sighandling.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SIGHANDLING_H
 #define _ASM_X86_SIGHANDLING_H
 
diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
index 8af22be0fe61..5f9012ff52ed 100644
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SIGNAL_H
 #define _ASM_X86_SIGNAL_H
 
diff --git a/arch/x86/include/asm/simd.h b/arch/x86/include/asm/simd.h
index 6c8a7ed13365..a341c878e977 100644
--- a/arch/x86/include/asm/simd.h
+++ b/arch/x86/include/asm/simd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <asm/fpu/api.h>
 
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 47103eca3775..461f53d27708 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SMP_H
 #define _ASM_X86_SMP_H
 #ifndef __ASSEMBLY__
diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
index 1f5bee2c202f..4fc1e9d3c43e 100644
--- a/arch/x86/include/asm/sparsemem.h
+++ b/arch/x86/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SPARSEMEM_H
 #define _ASM_X86_SPARSEMEM_H
 
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index a24dfcf79f4a..317fc59b512c 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SPECIAL_INSNS_H
 #define _ASM_X86_SPECIAL_INSNS_H
 
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 6d391909e864..b34625796eb2 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SPINLOCK_H
 #define _ASM_X86_SPINLOCK_H
 
diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h
index 25311ebb446c..bf3e34b25afc 100644
--- a/arch/x86/include/asm/spinlock_types.h
+++ b/arch/x86/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SPINLOCK_TYPES_H
 #define _ASM_X86_SPINLOCK_TYPES_H
 
diff --git a/arch/x86/include/asm/sta2x11.h b/arch/x86/include/asm/sta2x11.h
index e9d32df89ccc..e0975e9c4f47 100644
--- a/arch/x86/include/asm/sta2x11.h
+++ b/arch/x86/include/asm/sta2x11.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Header file for STMicroelectronics ConneXt (STA2X11) IOHub
  */
diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
index 8abedf1d650e..371b3a4af000 100644
--- a/arch/x86/include/asm/stackprotector.h
+++ b/arch/x86/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GCC stack protector support.
  *
diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
index 2e41c50ddf47..8da111b3c342 100644
--- a/arch/x86/include/asm/stacktrace.h
+++ b/arch/x86/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
diff --git a/arch/x86/include/asm/string.h b/arch/x86/include/asm/string.h
index 09224d7a5862..c3c2c1914d65 100644
--- a/arch/x86/include/asm/string.h
+++ b/arch/x86/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_X86_32
 # include <asm/string_32.h>
 #else
diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h
index e371e7229042..076502241eae 100644
--- a/arch/x86/include/asm/string_32.h
+++ b/arch/x86/include/asm/string_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_STRING_32_H
 #define _ASM_X86_STRING_32_H
 
diff --git a/arch/x86/include/asm/string_64.h b/arch/x86/include/asm/string_64.h
index f372a70a523f..0b1b4445f4c5 100644
--- a/arch/x86/include/asm/string_64.h
+++ b/arch/x86/include/asm/string_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_STRING_64_H
 #define _ASM_X86_STRING_64_H
 
diff --git a/arch/x86/include/asm/suspend.h b/arch/x86/include/asm/suspend.h
index 2fab6c2c3575..ecffe81ff65c 100644
--- a/arch/x86/include/asm/suspend.h
+++ b/arch/x86/include/asm/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_X86_32
 # include <asm/suspend_32.h>
 #else
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index 8e9dbe7b73a1..982c325dad33 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
  * Based on code
diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h
index 2bd96b4df140..7306e911faee 100644
--- a/arch/x86/include/asm/suspend_64.h
+++ b/arch/x86/include/asm/suspend_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
  * Based on code
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 14835dd205a5..78dd9df88157 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SVM_H
 #define __SVM_H
 
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h
index d2f69b9ff732..bdf9aed40403 100644
--- a/arch/x86/include/asm/swiotlb.h
+++ b/arch/x86/include/asm/swiotlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SWIOTLB_H
 #define _ASM_X86_SWIOTLB_H
 
diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
index fcc5cd387fd1..899084b70412 100644
--- a/arch/x86/include/asm/switch_to.h
+++ b/arch/x86/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SWITCH_TO_H
 #define _ASM_X86_SWITCH_TO_H
 
diff --git a/arch/x86/include/asm/sync_bitops.h b/arch/x86/include/asm/sync_bitops.h
index cbf8847d02a0..2fe745356fb1 100644
--- a/arch/x86/include/asm/sync_bitops.h
+++ b/arch/x86/include/asm/sync_bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SYNC_BITOPS_H
 #define _ASM_X86_SYNC_BITOPS_H
 
diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h
index 90395063383c..2ecd34e2d46c 100644
--- a/arch/x86/include/asm/text-patching.h
+++ b/arch/x86/include/asm/text-patching.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TEXT_PATCHING_H
 #define _ASM_X86_TEXT_PATCHING_H
 
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 89e7eeb5cec1..70f425947dc5 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: low-level thread information
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
index 92b8aec06970..cef818b16045 100644
--- a/arch/x86/include/asm/time.h
+++ b/arch/x86/include/asm/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TIME_H
 #define _ASM_X86_TIME_H
 
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index 2016962103df..47457ab975fd 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TIMER_H
 #define _ASM_X86_TIMER_H
 #include <linux/pm.h>
diff --git a/arch/x86/include/asm/timex.h b/arch/x86/include/asm/timex.h
index 1375cfc93960..a4a8b1b16c0c 100644
--- a/arch/x86/include/asm/timex.h
+++ b/arch/x86/include/asm/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TIMEX_H
 #define _ASM_X86_TIMEX_H
 
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index 79a4ca6a9606..cb0a1f470980 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TLB_H
 #define _ASM_X86_TLB_H
 
diff --git a/arch/x86/include/asm/tlbbatch.h b/arch/x86/include/asm/tlbbatch.h
index f4a6ff352a0e..1ad56eb3e8a8 100644
--- a/arch/x86/include/asm/tlbbatch.h
+++ b/arch/x86/include/asm/tlbbatch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_X86_TLBBATCH_H
 #define _ARCH_X86_TLBBATCH_H
 
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index c4aed0de565e..509046cfa5ce 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TLBFLUSH_H
 #define _ASM_X86_TLBFLUSH_H
 
diff --git a/arch/x86/include/asm/trace/exceptions.h b/arch/x86/include/asm/trace/exceptions.h
index 5665bf205b8d..69615e387973 100644
--- a/arch/x86/include/asm/trace/exceptions.h
+++ b/arch/x86/include/asm/trace/exceptions.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM exceptions
 
diff --git a/arch/x86/include/asm/trace/fpu.h b/arch/x86/include/asm/trace/fpu.h
index 39f7a27bef13..fa60398bbc3a 100644
--- a/arch/x86/include/asm/trace/fpu.h
+++ b/arch/x86/include/asm/trace/fpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM x86_fpu
 
diff --git a/arch/x86/include/asm/trace/irq_vectors.h b/arch/x86/include/asm/trace/irq_vectors.h
index 1599d394c8c1..8eb139ed1a03 100644
--- a/arch/x86/include/asm/trace/irq_vectors.h
+++ b/arch/x86/include/asm/trace/irq_vectors.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM irq_vectors
 
diff --git a/arch/x86/include/asm/trace/mpx.h b/arch/x86/include/asm/trace/mpx.h
index 0f492fc50bce..7bd92db09e8d 100644
--- a/arch/x86/include/asm/trace/mpx.h
+++ b/arch/x86/include/asm/trace/mpx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mpx
 
diff --git a/arch/x86/include/asm/trace_clock.h b/arch/x86/include/asm/trace_clock.h
index beab86cc282d..7061a5650969 100644
--- a/arch/x86/include/asm/trace_clock.h
+++ b/arch/x86/include/asm/trace_clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TRACE_CLOCK_H
 #define _ASM_X86_TRACE_CLOCK_H
 
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 5545f6459bf5..b0cced97a6ce 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TRAPS_H
 #define _ASM_X86_TRAPS_H
 
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index f5e6f1c417df..8da0efb13544 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * x86 TSC related functions
  */
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 4b892917edeb..574dff4d2913 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UACCESS_H
 #define _ASM_X86_UACCESS_H
 /*
diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
index aeda9bb8af50..72950401b223 100644
--- a/arch/x86/include/asm/uaccess_32.h
+++ b/arch/x86/include/asm/uaccess_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UACCESS_32_H
 #define _ASM_X86_UACCESS_32_H
 
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index b16f6a1d8b26..f07ef3c575db 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UACCESS_64_H
 #define _ASM_X86_UACCESS_64_H
 
diff --git a/arch/x86/include/asm/unaligned.h b/arch/x86/include/asm/unaligned.h
index a7bd416b4763..9c754a7447aa 100644
--- a/arch/x86/include/asm/unaligned.h
+++ b/arch/x86/include/asm/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UNALIGNED_H
 #define _ASM_X86_UNALIGNED_H
 
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
index 1ba1536f627e..51c4eee00732 100644
--- a/arch/x86/include/asm/unistd.h
+++ b/arch/x86/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UNISTD_H
 #define _ASM_X86_UNISTD_H 1
 
diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h
index e9f793e2df7a..87adc0d38c4a 100644
--- a/arch/x86/include/asm/unwind.h
+++ b/arch/x86/include/asm/unwind.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UNWIND_H
 #define _ASM_X86_UNWIND_H
 
diff --git a/arch/x86/include/asm/user.h b/arch/x86/include/asm/user.h
index 59a54e869f15..413c91746b27 100644
--- a/arch/x86/include/asm/user.h
+++ b/arch/x86/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_USER_H
 #define _ASM_X86_USER_H
 
diff --git a/arch/x86/include/asm/user32.h b/arch/x86/include/asm/user32.h
index 14cbb73ebcba..fa577312f63a 100644
--- a/arch/x86/include/asm/user32.h
+++ b/arch/x86/include/asm/user32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_USER32_H
 #define _ASM_X86_USER32_H
 
diff --git a/arch/x86/include/asm/user_32.h b/arch/x86/include/asm/user_32.h
index bebfd8644016..d72c3d66e94f 100644
--- a/arch/x86/include/asm/user_32.h
+++ b/arch/x86/include/asm/user_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_USER_32_H
 #define _ASM_X86_USER_32_H
 
diff --git a/arch/x86/include/asm/user_64.h b/arch/x86/include/asm/user_64.h
index faf2cd3e0d76..db909923611c 100644
--- a/arch/x86/include/asm/user_64.h
+++ b/arch/x86/include/asm/user_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_USER_64_H
 #define _ASM_X86_USER_64_H
 
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index b5a32231abd8..a80c0673798f 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_UV_UV_H
 #define _ASM_X86_UV_UV_H
 
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
index bccdf4938ddf..27566e57e87d 100644
--- a/arch/x86/include/asm/vdso.h
+++ b/arch/x86/include/asm/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_VDSO_H
 #define _ASM_X86_VDSO_H
 
diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h
index 9f42beefc67a..46f9b2deab4d 100644
--- a/arch/x86/include/asm/vga.h
+++ b/arch/x86/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 022e59714562..52250681f68c 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_VGTOD_H
 #define _ASM_X86_VGTOD_H
 
diff --git a/arch/x86/include/asm/vm86.h b/arch/x86/include/asm/vm86.h
index 1e491f3af317..26efbec94448 100644
--- a/arch/x86/include/asm/vm86.h
+++ b/arch/x86/include/asm/vm86.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_VM86_H
 #define _ASM_X86_VM86_H
 
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..d9a7c659009c 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_VSYSCALL_H
 #define _ASM_X86_VSYSCALL_H
 
diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h
index 5b238981542a..06006b0351f3 100644
--- a/arch/x86/include/asm/word-at-a-time.h
+++ b/arch/x86/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
diff --git a/arch/x86/include/asm/x2apic.h b/arch/x86/include/asm/x2apic.h
index f90f0a587c66..78ccf28d17db 100644
--- a/arch/x86/include/asm/x2apic.h
+++ b/arch/x86/include/asm/x2apic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common bits for X2APIC cluster/physical modes.
  */
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 7ba7e90a9ad6..8a1ebf9540dd 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_PLATFORM_H
 #define _ASM_X86_PLATFORM_H
 
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h
index e6911caf5bbf..d383140e1dc8 100644
--- a/arch/x86/include/asm/xen/events.h
+++ b/arch/x86/include/asm/xen/events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XEN_EVENTS_H
 #define _ASM_X86_XEN_EVENTS_H
 
diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h
index 8413688b2571..dc40578abded 100644
--- a/arch/x86/include/asm/xen/interface_32.h
+++ b/arch/x86/include/asm/xen/interface_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * arch-x86_32.h
  *
diff --git a/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h
index 839a4811cf98..c599ec269a25 100644
--- a/arch/x86/include/asm/xen/interface_64.h
+++ b/arch/x86/include/asm/xen/interface_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XEN_INTERFACE_64_H
 #define _ASM_X86_XEN_INTERFACE_64_H
 
diff --git a/arch/x86/include/asm/xen/page-coherent.h b/arch/x86/include/asm/xen/page-coherent.h
index f02f025ff988..116777e7f387 100644
--- a/arch/x86/include/asm/xen/page-coherent.h
+++ b/arch/x86/include/asm/xen/page-coherent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XEN_PAGE_COHERENT_H
 #define _ASM_X86_XEN_PAGE_COHERENT_H
 
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 07b6531813c4..c6b84245e5ab 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XEN_PAGE_H
 #define _ASM_X86_XEN_PAGE_H
 
diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h
index f320ee32d5a1..3506d8c598c1 100644
--- a/arch/x86/include/asm/xen/pci.h
+++ b/arch/x86/include/asm/xen/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XEN_PCI_H
 #define _ASM_X86_XEN_PCI_H
 
diff --git a/arch/x86/include/asm/xen/swiotlb-xen.h b/arch/x86/include/asm/xen/swiotlb-xen.h
index ee52fcac6f72..6b56d0d45d15 100644
--- a/arch/x86/include/asm/xen/swiotlb-xen.h
+++ b/arch/x86/include/asm/xen/swiotlb-xen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SWIOTLB_XEN_H
 #define _ASM_X86_SWIOTLB_XEN_H
 
diff --git a/arch/x86/include/asm/xen/trace_types.h b/arch/x86/include/asm/xen/trace_types.h
index 21e1874c0a0b..2aad0abd68e2 100644
--- a/arch/x86/include/asm/xen/trace_types.h
+++ b/arch/x86/include/asm/xen/trace_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_XEN_TRACE_TYPES_H
 #define _ASM_XEN_TRACE_TYPES_H
 
diff --git a/arch/x86/include/asm/xor_64.h b/arch/x86/include/asm/xor_64.h
index 546f1e3b87cc..0307e4ec5044 100644
--- a/arch/x86/include/asm/xor_64.h
+++ b/arch/x86/include/asm/xor_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_XOR_64_H
 #define _ASM_X86_XOR_64_H
 
diff --git a/arch/x86/include/uapi/asm/byteorder.h b/arch/x86/include/uapi/asm/byteorder.h
index b13a7a88f3eb..484e3cfd7ef2 100644
--- a/arch/x86/include/uapi/asm/byteorder.h
+++ b/arch/x86/include/uapi/asm/byteorder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_BYTEORDER_H
 #define _ASM_X86_BYTEORDER_H
 
diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h
index 0bd2be5c7617..6ebaae90e207 100644
--- a/arch/x86/include/uapi/asm/hwcap2.h
+++ b/arch/x86/include/uapi/asm/hwcap2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_HWCAP2_H
 #define _ASM_X86_HWCAP2_H
 
diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h
index a92b0f0dc09e..6b18e88de8a6 100644
--- a/arch/x86/include/uapi/asm/sigcontext32.h
+++ b/arch/x86/include/uapi/asm/sigcontext32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_SIGCONTEXT32_H
 #define _ASM_X86_SIGCONTEXT32_H
 
diff --git a/arch/x86/include/uapi/asm/types.h b/arch/x86/include/uapi/asm/types.h
index 8e8c23fef08c..df55e1ddb0c9 100644
--- a/arch/x86/include/uapi/asm/types.h
+++ b/arch/x86/include/uapi/asm/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_TYPES_H
 #define _ASM_X86_TYPES_H
 
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index fd0a7895b63f..5f70044340ff 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 85a9e17e0dbc..f1bb57b0e41e 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD_wakeup_$(BITS).o := y
 
 obj-$(CONFIG_ACPI)		+= boot.o
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index ed014814ea35..7188aea91549 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sleep.c - x86-specific ACPI sleep support.
  *
diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
index 65c7b606b606..fbb60ca4255c 100644
--- a/arch/x86/kernel/acpi/sleep.h
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Variables and functions used by the code in sleep.c
  */
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index ef2859f9fcce..f5d92bc3b884 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Firmware replacement code.
  *
diff --git a/arch/x86/kernel/apic/Makefile b/arch/x86/kernel/apic/Makefile
index 8e63ebdcbd0b..2fb7309c6900 100644
--- a/arch/x86/kernel/apic/Makefile
+++ b/arch/x86/kernel/apic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for local APIC drivers and for the IO-APIC code
 #
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index 6599f437b4ab..c8d211277315 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NOOP APIC driver.
  *
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index 456e45e8bf84..e12fbcfc9571 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * APIC driver for "bigsmp" xAPIC machines with more than 8 virtual CPUs.
  *
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index d6f387780849..d1fc62a67320 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  HW NMI watchdog support
  *
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 70e48aa6af98..3b89b27945ff 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Intel IO-APIC support for multi-Pentium hosts.
  *
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index 3a205d4a12d0..82f9244fe61f 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpumask.h>
 #include <linux/interrupt.h>
 
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index 481237cb1544..e216cf3d64d2 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <linux/string.h>
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 3baf0c3dc875..b94d35320f85 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <linux/string.h>
diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index de827d6ac8c2..8ea78275480d 100644
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by assembly language modules.
  * This code generates raw asm output which is post-processed to extract
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index 710edab9e644..dedf428b20b6 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef __LINUX_KBUILD_H
 # error "Please do not build this file directly, build asm-offsets.c instead"
 #endif
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index cf42206926af..630212fa9b9d 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef __LINUX_KBUILD_H
 # error "Please do not build this file directly, build asm-offsets.c instead"
 #endif
diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c
index f3672508b249..e1efe44ebefc 100644
--- a/arch/x86/kernel/audit_64.c
+++ b/arch/x86/kernel/audit_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/arch/x86/kernel/bootflag.c b/arch/x86/kernel/bootflag.c
index 52c8e3c7789d..3fed7ae58b60 100644
--- a/arch/x86/kernel/bootflag.c
+++ b/arch/x86/kernel/bootflag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Implement 'Simple Boot Flag Specification 2.0'
  */
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index 145863d4d343..33399426793e 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/kthread.h>
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index e17942c131c8..c60922a66385 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for x86-compatible CPU details, features and quirks
 #
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 0af86d9242da..ba0b2424c9b0 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1994  Linus Torvalds
  *
diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
index 44207b71fee1..68bc6d9b3132 100644
--- a/arch/x86/kernel/cpu/centaur.c
+++ b/arch/x86/kernel/cpu/centaur.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/sched.h>
 #include <linux/sched/clock.h>
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
index 2584265d4745..f52a370b6c00 100644
--- a/arch/x86/kernel/cpu/cpu.h
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_X86_CPU_H
 #define ARCH_X86_CPU_H
 
diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 6f077445647a..6b4bb335641f 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index dfa90a3a5145..b720dacac051 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 
 #include <linux/string.h>
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 9990a71e311f..54d04d574148 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Routines to identify caches on Intel CPU.
  *
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h
index ebaddaeef023..a43a72d8e88e 100644
--- a/arch/x86/kernel/cpu/intel_rdt.h
+++ b/arch/x86/kernel/cpu/intel_rdt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_INTEL_RDT_H
 #define _ASM_X86_INTEL_RDT_H
 
diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c
index e42117d5f4d7..3fed38812eea 100644
--- a/arch/x86/kernel/cpu/match.c
+++ b/arch/x86/kernel/cpu/match.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/cpu_device_id.h>
 #include <asm/cpufeature.h>
 #include <linux/cpu.h>
diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile
index 43051f0777d4..bcc7c54c7041 100644
--- a/arch/x86/kernel/cpu/mcheck/Makefile
+++ b/arch/x86/kernel/cpu/mcheck/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				=  mce.o mce-severity.o mce-genpool.o
 
 obj-$(CONFIG_X86_ANCIENT_MCE)	+= winchip.o p5.o
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index debb974fd17d..aa0d5df9dc60 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-internal.h
+++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __X86_MCE_INTERNAL_H__
 #define __X86_MCE_INTERNAL_H__
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index e84db79ef272..d05be307d081 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Intel specific MCE features.
  * Copyright 2004 Zwane Mwaikambo <zwane@linuxpower.ca>
diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
index 2a0717bf8033..5cddf831720f 100644
--- a/arch/x86/kernel/cpu/mcheck/p5.c
+++ b/arch/x86/kernel/cpu/mcheck/p5.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * P5 specific Machine Check Exception Reporting
  * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk>
diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c
index 5e7249e42f8f..2b584b319eff 100644
--- a/arch/x86/kernel/cpu/mcheck/threshold.c
+++ b/arch/x86/kernel/cpu/mcheck/threshold.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common corrected MCE threshold handler code:
  */
diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
index c6a722e1d011..3b45b270a865 100644
--- a/arch/x86/kernel/cpu/mcheck/winchip.c
+++ b/arch/x86/kernel/cpu/mcheck/winchip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IDT Winchip specific Machine Check Exception Reporting
  * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk>
diff --git a/arch/x86/kernel/cpu/mkcapflags.sh b/arch/x86/kernel/cpu/mkcapflags.sh
index 6988c74409a8..d0dfb892c72f 100644
--- a/arch/x86/kernel/cpu/mkcapflags.sh
+++ b/arch/x86/kernel/cpu/mkcapflags.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h
 #
diff --git a/arch/x86/kernel/cpu/mtrr/amd.c b/arch/x86/kernel/cpu/mtrr/amd.c
index 92ba9cd31c9a..a65a0272096d 100644
--- a/arch/x86/kernel/cpu/mtrr/amd.c
+++ b/arch/x86/kernel/cpu/mtrr/amd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <asm/mtrr.h>
diff --git a/arch/x86/kernel/cpu/mtrr/centaur.c b/arch/x86/kernel/cpu/mtrr/centaur.c
index 3d689937fc1b..f27177816569 100644
--- a/arch/x86/kernel/cpu/mtrr/centaur.c
+++ b/arch/x86/kernel/cpu/mtrr/centaur.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/mm.h>
 
diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c
index b1086f79e57e..4296c702a3f7 100644
--- a/arch/x86/kernel/cpu/mtrr/cyrix.c
+++ b/arch/x86/kernel/cpu/mtrr/cyrix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/mm.h>
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index 6d9b45549109..558444b23923 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/capability.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h
index ad8bd763efa5..2ac99e561181 100644
--- a/arch/x86/kernel/cpu/mtrr/mtrr.h
+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * local MTRR defines.
  */
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 181eabecae25..d389083330c5 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * local apic based NMI watchdog for various CPUs.
  *
diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c
index 1dd8294fd730..fd6ec2aa0303 100644
--- a/arch/x86/kernel/cpu/powerflags.c
+++ b/arch/x86/kernel/cpu/powerflags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Strings for the various x86 power flags
  *
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 218f79825b3c..5455f3b8b969 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/smp.h>
 #include <linux/timex.h>
 #include <linux/string.h>
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index cd531355e838..b099024d339c 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Check for extended topology enumeration cpuid leaf 0xb and if it
  * exists, use it for populating initial_apicid and cpu topology
diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
index d77d07ab310b..42c939827621 100644
--- a/arch/x86/kernel/cpu/transmeta.c
+++ b/arch/x86/kernel/cpu/transmeta.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/sched/clock.h>
diff --git a/arch/x86/kernel/cpu/umc.c b/arch/x86/kernel/cpu/umc.c
index ef9c2a0078bd..65a58a390fc3 100644
--- a/arch/x86/kernel/cpu/umc.c
+++ b/arch/x86/kernel/cpu/umc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <asm/processor.h>
 #include "cpu.h"
diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c
index 538fedea9b3f..33ee47670b99 100644
--- a/arch/x86/kernel/crash_dump_32.c
+++ b/arch/x86/kernel/crash_dump_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Memory preserving reboot related code.
  *
diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
index afa64adb75ee..4f2e0778feac 100644
--- a/arch/x86/kernel/crash_dump_64.c
+++ b/arch/x86/kernel/crash_dump_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Memory preserving reboot related code.
  *
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index cbf1f6ba39a8..76e07698e6d1 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Architecture specific OF callbacks.
  */
diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c
index f9c324e08d85..0e662c55ae90 100644
--- a/arch/x86/kernel/doublefault.c
+++ b/arch/x86/kernel/doublefault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 4f0481474903..daefae83a3aa 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 225af4184f06..88ce2ffdb110 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 927abeaf63e2..1e82f787c160 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Various workarounds for chipset bugs.
    This code runs very early and can't use the regular PCI subsystem
    The entries are keyed to PCI bridges which usually identify chipsets
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 0f0840304452..5e801c8c8ce7 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/console.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/x86/kernel/ebda.c b/arch/x86/kernel/ebda.c
index 4312f8ae71b7..38e7d597b660 100644
--- a/arch/x86/kernel/ebda.c
+++ b/arch/x86/kernel/ebda.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/memblock.h>
diff --git a/arch/x86/kernel/fpu/bugs.c b/arch/x86/kernel/fpu/bugs.c
index d913047f832c..2954fab15e51 100644
--- a/arch/x86/kernel/fpu/bugs.c
+++ b/arch/x86/kernel/fpu/bugs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * x86 FPU bug checks:
  */
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index 3ea151372389..bc02f5144b95 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * FPU register's regset abstraction, for ptrace, core dumps, etc.
  */
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index fb639e70048f..23f1691670b6 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * FPU signal frame handling routines.
  */
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 9bef1bbeba63..01ebcb6f263e 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dynamic function tracing support.
  *
diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S
index 722a145b4139..b6c6468e10bc 100644
--- a/arch/x86/kernel/ftrace_32.S
+++ b/arch/x86/kernel/ftrace_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 2017  Steven Rostedt, VMware Inc.
  */
diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S
index 1dfac634bbf7..c832291d948a 100644
--- a/arch/x86/kernel/ftrace_64.S
+++ b/arch/x86/kernel/ftrace_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 2014  Steven Rostedt, Red Hat Inc
  */
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 2902ca4d5993..ec6fefbfd3c0 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/i386/kernel/head32.c -- prepare to run common code
  *
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index bab4fa579450..6a5d757b9cfd 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  prepare to run common code
  *
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 9ed3074d0d27..f1d528bb66a6 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 513cbb012ecc..6dde3f3fc1f8 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/arch/x86/kernel/head_64.S -- start in 32bit and switch to 64bit
  *
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 6ebe00cb4a3b..0d307a657abb 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 8253/PIT functions
  *
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 4e3b8a587c88..8f5cb2c7060c 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/linkage.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index 7ebcc4a74438..805b7a341aca 100644
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * I/O delay strategies for inb_p/outb_p
  *
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 9c3cf0944bce..3feb648781c4 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This contains the io-permission bitmap code - written by obz, with changes
  * by Linus. 32/64 bits code unification by Miguel Botón.
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index d4eb450144fd..a83b3346a0e1 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  *
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 3be74fbdeff2..020efbf5786b 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  *
diff --git a/arch/x86/kernel/irq_work.c b/arch/x86/kernel/irq_work.c
index 70dee056f92b..80bee7695a20 100644
--- a/arch/x86/kernel/irq_work.c
+++ b/arch/x86/kernel/irq_work.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * x86 specific code for irq_work
  *
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 1add9e08e83e..1e4094eba15e 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/linkage.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c
index ab4f491da2a9..e56c95be2808 100644
--- a/arch/x86/kernel/jump_label.c
+++ b/arch/x86/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * jump label x86 support
  *
diff --git a/arch/x86/kernel/kprobes/common.h b/arch/x86/kernel/kprobes/common.h
index 3fc0f9a794cb..615105cf7d58 100644
--- a/arch/x86/kernel/kprobes/common.h
+++ b/arch/x86/kernel/kprobes/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __X86_KERNEL_KPROBES_COMMON_H
 #define __X86_KERNEL_KPROBES_COMMON_H
 
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index f0e64db18ac8..4d17bacf4030 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds
  * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com>
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index f4c886d9165c..b5cb49e57df8 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * AMD Family 10h mmconfig enablement
  */
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 5cbb3177ed17..410c5dadcee3 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Intel Multiprocessor Specification 1.1 and 1.4
  *	compliant MP-table parsing routines.
diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
index d27f8d84c4ff..a1a96df3dff1 100644
--- a/arch/x86/kernel/nmi_selftest.c
+++ b/arch/x86/kernel/nmi_selftest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/x86/kernel/nmi-selftest.c
  *
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
index 8f2d1c9d43a8..71f2d1125ec0 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Split spinlock implementation out into its own file, so it can be
  * compiled in a FTRACE-compatible way.
diff --git a/arch/x86/kernel/paravirt_patch_32.c b/arch/x86/kernel/paravirt_patch_32.c
index 553acbbb4d32..758e69d72ebf 100644
--- a/arch/x86/kernel/paravirt_patch_32.c
+++ b/arch/x86/kernel/paravirt_patch_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/paravirt.h>
 
 DEF_NATIVE(pv_irq_ops, irq_disable, "cli");
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
index 11aaf1eaa0e4..ac0be8283325 100644
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ b/arch/x86/kernel/paravirt_patch_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/paravirt.h>
 #include <asm/asm-offsets.h>
 #include <linux/stringify.h>
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0accc2404b92..599d7462eccc 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/dma-mapping.h>
 #include <linux/dma-debug.h>
 #include <linux/dmar.h>
diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c
index f712dfdf1357..4dfd90a75e63 100644
--- a/arch/x86/kernel/pci-iommu_table.c
+++ b/arch/x86/kernel/pci-iommu_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/dma-mapping.h>
 #include <asm/iommu_table.h>
 #include <linux/string.h>
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 4fc3cb60ea11..b0caae27e1b7 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Fallback functions when the main IOMMU code is not compiled in. This
    code is roughly equivalent to i386. */
 #include <linux/dma-mapping.h>
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 677077510e30..53bd05ea90d8 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Glue code to lib/swiotlb.c */
 
 #include <linux/pci.h>
diff --git a/arch/x86/kernel/pcspeaker.c b/arch/x86/kernel/pcspeaker.c
index a311ffcaad16..da5190a1ea16 100644
--- a/arch/x86/kernel/pcspeaker.c
+++ b/arch/x86/kernel/pcspeaker.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/init.h>
diff --git a/arch/x86/kernel/perf_regs.c b/arch/x86/kernel/perf_regs.c
index 587d887f7f17..e47b2dbbdef3 100644
--- a/arch/x86/kernel/perf_regs.c
+++ b/arch/x86/kernel/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c
index 502a77d0adb0..39a59299bfa0 100644
--- a/arch/x86/kernel/platform-quirks.c
+++ b/arch/x86/kernel/platform-quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 
diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c
index 0c5315d322c8..3fe690067802 100644
--- a/arch/x86/kernel/pmem.c
+++ b/arch/x86/kernel/pmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, Christoph Hellwig.
  * Copyright (c) 2015, Intel Corporation.
diff --git a/arch/x86/kernel/probe_roms.c b/arch/x86/kernel/probe_roms.c
index 963e3fb56437..ee0286390a4c 100644
--- a/arch/x86/kernel/probe_roms.c
+++ b/arch/x86/kernel/probe_roms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/uaccess.h>
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index bd6b85fac666..c67685337c5a 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/errno.h>
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index eaa591cfd98b..697a4ce04308 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains work-arounds for x86 and x86_64 platform bugs.
  */
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index add33f600531..2126b9d27c34 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/export.h>
diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
index c8e41e90f59c..b7c0f142d026 100644
--- a/arch/x86/kernel/reboot_fixups_32.c
+++ b/arch/x86/kernel/reboot_fixups_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is a good place to put board specific reboot fixups.
  *
diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
index 5ab3895516ac..9b9fb7882c20 100644
--- a/arch/x86/kernel/resource.c
+++ b/arch/x86/kernel/resource.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ioport.h>
 #include <asm/e820/api.h>
 
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 5b21cb7d84d6..69ac9cb9cac6 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * RTC related functions
  */
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 28dafed6c682..497aa766fab3 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 4e188fda5961..b9e00e8f1c9b 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002 Andi Kleen SuSE Labs
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c
index ab9feb5887b1..8c6da1a643da 100644
--- a/arch/x86/kernel/signal_compat.c
+++ b/arch/x86/kernel/signal_compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compat.h>
 #include <linux/uaccess.h>
 #include <linux/ptrace.h>
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
index 5ee663836c08..60d2c3798ba2 100644
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * x86 single-step support code, common to 32-bit and 64-bit.
  */
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 73e4d28112f8..a63fe77b3217 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index e0754cdbad37..879af864d99a 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (c) 1991,1992,1995  Linus Torvalds
  *  Copyright (c) 1994  Alan Modra
diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
index a106b9719c58..9a9c9b076955 100644
--- a/arch/x86/kernel/tls.c
+++ b/arch/x86/kernel/tls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
diff --git a/arch/x86/kernel/trace_clock.c b/arch/x86/kernel/trace_clock.c
index 80bb24d9b880..b8e7abe00b06 100644
--- a/arch/x86/kernel/trace_clock.c
+++ b/arch/x86/kernel/trace_clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * X86 trace clocks
  */
diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c
index c6636d1f60b9..5bd30c442794 100644
--- a/arch/x86/kernel/tracepoint.c
+++ b/arch/x86/kernel/tracepoint.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for supporting irq vector tracepoints.
  *
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 7842371bc9e4..e76a9881306b 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * check TSC synchronization.
  *
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index 7924a5356c8a..68244742ecb0 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1994  Linus Torvalds
  *
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index f05f00acac89..a4009fb9be87 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ld script for the x86 kernel
  *
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 3c48bc8bf08c..3df51c287844 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 09d4b17be022..dc4f2fdf5e57 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-y += -Iarch/x86/kvm
 
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 0bc5c1315708..cdc70a3a6583 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_X86_KVM_CPUID_H
 #define ARCH_X86_KVM_CPUID_H
 
diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h
index 600bee9dcbbd..394d9527da7e 100644
--- a/arch/x86/kvm/i8254.h
+++ b/arch/x86/kvm/i8254.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __I8254_H
 #define __I8254_H
 
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
index 29ce19732ccf..ea1a4e0297da 100644
--- a/arch/x86/kvm/ioapic.h
+++ b/arch/x86/kvm/ioapic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_IO_APIC_H
 #define __KVM_IO_APIC_H
 
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index 9add410f195f..f500293dad8d 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_KVM_CACHE_REGS_H
 #define ASM_KVM_CACHE_REGS_H
 
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 215721e1426a..4b9935a38347 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_X86_LAPIC_H
 #define __KVM_X86_LAPIC_H
 
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 64a2dbd2b1af..efc857615d8e 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_X86_MMU_H
 #define __KVM_X86_MMU_H
 
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 8b97a6cba8d1..c73bf4e4988c 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVMMMU_H
 
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index f96e1f962587..a9a62b9a73e2 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_X86_PMU_H
 #define __KVM_X86_PMU_H
 
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 8a202c49e2a0..9807c314c478 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_H
 
diff --git a/arch/x86/kvm/tss.h b/arch/x86/kvm/tss.h
index 622aa10f692f..3f9150125e70 100644
--- a/arch/x86/kvm/tss.h
+++ b/arch/x86/kvm/tss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TSS_SEGMENT_H
 #define __TSS_SEGMENT_H
 
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 51e349cf5f45..d0b95b7a90b4 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_X86_KVM_X86_H
 #define ARCH_X86_KVM_X86_H
 
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 34a74131a12c..457f681ef379 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for x86 specific library files.
 #
diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c
index 216a629a4a1a..1811fa4a1b1a 100644
--- a/arch/x86/lib/cache-smp.c
+++ b/arch/x86/lib/cache-smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/smp.h>
 #include <linux/export.h>
 
diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S
index e8508156c99d..fd2d09afa097 100644
--- a/arch/x86/lib/copy_page_64.S
+++ b/arch/x86/lib/copy_page_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */
 
 #include <linux/linkage.h>
diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c
index 378e5d5bf9b1..9baca3e054be 100644
--- a/arch/x86/lib/csum-partial_64.c
+++ b/arch/x86/lib/csum-partial_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/x86_64/lib/csum-partial.c
  *
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index 29df077cb089..553f8fd23cc4 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Precise Delay Loops for i386
  *
diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
index 37b62d412148..c97d935a29e8 100644
--- a/arch/x86/lib/getuser.S
+++ b/arch/x86/lib/getuser.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * __get_user functions.
  *
diff --git a/arch/x86/lib/hweight.S b/arch/x86/lib/hweight.S
index 23d893cbc200..a14f9939c365 100644
--- a/arch/x86/lib/hweight.S
+++ b/arch/x86/lib/hweight.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/export.h>
 
diff --git a/arch/x86/lib/kaslr.c b/arch/x86/lib/kaslr.c
index ab2d1d73e9e7..79778ab200e4 100644
--- a/arch/x86/lib/kaslr.c
+++ b/arch/x86/lib/kaslr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Entropy functions used on early boot for KASLR base and memory
  * randomization. The base randomization is done in the compressed
diff --git a/arch/x86/lib/memcpy_32.c b/arch/x86/lib/memcpy_32.c
index 2eab7d0bfedd..e565d1c9019e 100644
--- a/arch/x86/lib/memcpy_32.c
+++ b/arch/x86/lib/memcpy_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/export.h>
 
diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
index 15de86cd15b0..bbec69d8223b 100644
--- a/arch/x86/lib/memmove_64.S
+++ b/arch/x86/lib/memmove_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Normally compiler builtins are used, but sometimes the compiler calls out
  * of line code. Based on asm-i386/string.h.
diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S
index 55b95db30a61..9bc861c71e75 100644
--- a/arch/x86/lib/memset_64.S
+++ b/arch/x86/lib/memset_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright 2002 Andi Kleen, SuSE Labs */
 
 #include <linux/linkage.h>
diff --git a/arch/x86/lib/misc.c b/arch/x86/lib/misc.c
index 76b373af03f0..a018ec4fba53 100644
--- a/arch/x86/lib/misc.c
+++ b/arch/x86/lib/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Count the digits of @val including a possible sign.
  *
diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c
index c2311a678332..4321fa02e18d 100644
--- a/arch/x86/lib/mmx_32.c
+++ b/arch/x86/lib/mmx_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	MMX 3DNow! library helper functions
  *
diff --git a/arch/x86/lib/msr-reg-export.c b/arch/x86/lib/msr-reg-export.c
index ff29e8d39414..876b4168ab0a 100644
--- a/arch/x86/lib/msr-reg-export.c
+++ b/arch/x86/lib/msr-reg-export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <asm/msr.h>
 
diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S
index 10ffa7e8519f..ed33cbab3958 100644
--- a/arch/x86/lib/msr-reg.S
+++ b/arch/x86/lib/msr-reg.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <linux/errno.h>
 #include <asm/asm.h>
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c
index ce68b6a9d7d1..693cce0be82d 100644
--- a/arch/x86/lib/msr-smp.c
+++ b/arch/x86/lib/msr-smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/preempt.h>
 #include <linux/smp.h>
diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c
index 07764255b611..3bd905e10ee2 100644
--- a/arch/x86/lib/msr.c
+++ b/arch/x86/lib/msr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/percpu.h>
 #include <linux/preempt.h>
diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S
index cd5d716d2897..96dce5fe2a35 100644
--- a/arch/x86/lib/putuser.S
+++ b/arch/x86/lib/putuser.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * __put_user functions.
  *
diff --git a/arch/x86/lib/string_32.c b/arch/x86/lib/string_32.c
index dc0ad12f80bb..d15fdae9656e 100644
--- a/arch/x86/lib/string_32.c
+++ b/arch/x86/lib/string_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Most of the string-functions are rather heavily hand-optimized,
  * see especially strsep,strstr,str[c]spn. They should work, but are not
diff --git a/arch/x86/lib/strstr_32.c b/arch/x86/lib/strstr_32.c
index a03b1c750bfe..38f37df056f7 100644
--- a/arch/x86/lib/strstr_32.c
+++ b/arch/x86/lib/strstr_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/export.h>
 
diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index bd057a4ffe6e..1b377f734e64 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User address space access functions.
  * The non inlined parts of asm-i386/uaccess.h are here.
diff --git a/arch/x86/math-emu/Makefile b/arch/x86/math-emu/Makefile
index 1b2dac174321..02211fc6f2ec 100644
--- a/arch/x86/math-emu/Makefile
+++ b/arch/x86/math-emu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #               Makefile for wm-FPU-emu
 #
diff --git a/arch/x86/math-emu/control_w.h b/arch/x86/math-emu/control_w.h
index ae2274dbd305..60f4dcc5edc3 100644
--- a/arch/x86/math-emu/control_w.h
+++ b/arch/x86/math-emu/control_w.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  control_w.h                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/div_Xsig.S b/arch/x86/math-emu/div_Xsig.S
index 066996dba6a2..ee08449d20fd 100644
--- a/arch/x86/math-emu/div_Xsig.S
+++ b/arch/x86/math-emu/div_Xsig.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"div_Xsig.S"
 /*---------------------------------------------------------------------------+
  |  div_Xsig.S                                                               |
diff --git a/arch/x86/math-emu/div_small.S b/arch/x86/math-emu/div_small.S
index 2c71527bd917..8f5025c80ee0 100644
--- a/arch/x86/math-emu/div_small.S
+++ b/arch/x86/math-emu/div_small.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"div_small.S"
 /*---------------------------------------------------------------------------+
  |  div_small.S                                                              |
diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c
index 2ccc424a57d9..6b468517ab71 100644
--- a/arch/x86/math-emu/errors.c
+++ b/arch/x86/math-emu/errors.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  errors.c                                                                 |
  |                                                                           |
diff --git a/arch/x86/math-emu/exception.h b/arch/x86/math-emu/exception.h
index 67f43a4683d5..75230b977577 100644
--- a/arch/x86/math-emu/exception.h
+++ b/arch/x86/math-emu/exception.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  exception.h                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_arith.c b/arch/x86/math-emu/fpu_arith.c
index aeab24e083c4..09006dc474a0 100644
--- a/arch/x86/math-emu/fpu_arith.c
+++ b/arch/x86/math-emu/fpu_arith.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_arith.c                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_asm.h b/arch/x86/math-emu/fpu_asm.h
index 955b932735a4..a83353d5271c 100644
--- a/arch/x86/math-emu/fpu_asm.h
+++ b/arch/x86/math-emu/fpu_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  fpu_asm.h                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c
index 024f6e971174..034748459482 100644
--- a/arch/x86/math-emu/fpu_aux.c
+++ b/arch/x86/math-emu/fpu_aux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_aux.c                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_emu.h b/arch/x86/math-emu/fpu_emu.h
index c9c320dccca1..a5a41ec58072 100644
--- a/arch/x86/math-emu/fpu_emu.h
+++ b/arch/x86/math-emu/fpu_emu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  fpu_emu.h                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index 220638a4cb94..9e2ba7e667f6 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/arch/x86/math-emu/fpu_entry.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_entry.c                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_etc.c b/arch/x86/math-emu/fpu_etc.c
index 233e5af566f5..1b118fd93140 100644
--- a/arch/x86/math-emu/fpu_etc.c
+++ b/arch/x86/math-emu/fpu_etc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_etc.c                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_proto.h b/arch/x86/math-emu/fpu_proto.h
index caff438b9c1d..70d35c200945 100644
--- a/arch/x86/math-emu/fpu_proto.h
+++ b/arch/x86/math-emu/fpu_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FPU_PROTO_H
 #define _FPU_PROTO_H
 
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h
index 699f329f1d40..c8b1b31ed7c4 100644
--- a/arch/x86/math-emu/fpu_system.h
+++ b/arch/x86/math-emu/fpu_system.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  fpu_system.h                                                             |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_tags.c b/arch/x86/math-emu/fpu_tags.c
index d9c657cd7746..bff95d4e7dca 100644
--- a/arch/x86/math-emu/fpu_tags.c
+++ b/arch/x86/math-emu/fpu_tags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_tags.c                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c
index ecd06680581c..783c509f957a 100644
--- a/arch/x86/math-emu/fpu_trig.c
+++ b/arch/x86/math-emu/fpu_trig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  fpu_trig.c                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c
index c48967c6a0e2..b82ca14ba718 100644
--- a/arch/x86/math-emu/get_address.c
+++ b/arch/x86/math-emu/get_address.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  get_address.c                                                            |
  |                                                                           |
diff --git a/arch/x86/math-emu/load_store.c b/arch/x86/math-emu/load_store.c
index 1643054766eb..f821a9cd7753 100644
--- a/arch/x86/math-emu/load_store.c
+++ b/arch/x86/math-emu/load_store.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  load_store.c                                                             |
  |                                                                           |
diff --git a/arch/x86/math-emu/mul_Xsig.S b/arch/x86/math-emu/mul_Xsig.S
index 22e0631bb85a..3e489122a2b0 100644
--- a/arch/x86/math-emu/mul_Xsig.S
+++ b/arch/x86/math-emu/mul_Xsig.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  mul_Xsig.S                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly.h b/arch/x86/math-emu/poly.h
index 168eb44c93c8..fc1c887ca073 100644
--- a/arch/x86/math-emu/poly.h
+++ b/arch/x86/math-emu/poly.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  poly.h                                                                   |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly_2xm1.c b/arch/x86/math-emu/poly_2xm1.c
index b00e9e10cdce..aa33006bafd5 100644
--- a/arch/x86/math-emu/poly_2xm1.c
+++ b/arch/x86/math-emu/poly_2xm1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  poly_2xm1.c                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly_atan.c b/arch/x86/math-emu/poly_atan.c
index 20c28e58e2d4..7e7412c5a1fe 100644
--- a/arch/x86/math-emu/poly_atan.c
+++ b/arch/x86/math-emu/poly_atan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  poly_atan.c                                                              |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly_l2.c b/arch/x86/math-emu/poly_l2.c
index 8e2ff4b28a0a..98b6949bb854 100644
--- a/arch/x86/math-emu/poly_l2.c
+++ b/arch/x86/math-emu/poly_l2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  poly_l2.c                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly_sin.c b/arch/x86/math-emu/poly_sin.c
index b862039c728e..c192fba51526 100644
--- a/arch/x86/math-emu/poly_sin.c
+++ b/arch/x86/math-emu/poly_sin.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  poly_sin.c                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/poly_tan.c b/arch/x86/math-emu/poly_tan.c
index 1875763e0c02..1f5b1d712323 100644
--- a/arch/x86/math-emu/poly_tan.c
+++ b/arch/x86/math-emu/poly_tan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  poly_tan.c                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/polynom_Xsig.S b/arch/x86/math-emu/polynom_Xsig.S
index a9aaf414135d..604f0b2d17e8 100644
--- a/arch/x86/math-emu/polynom_Xsig.S
+++ b/arch/x86/math-emu/polynom_Xsig.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  polynomial_Xsig.S                                                        |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_add_sub.c b/arch/x86/math-emu/reg_add_sub.c
index deea48b9f13a..29451dd07556 100644
--- a/arch/x86/math-emu/reg_add_sub.c
+++ b/arch/x86/math-emu/reg_add_sub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_add_sub.c                                                            |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_compare.c b/arch/x86/math-emu/reg_compare.c
index 19b33b50adfa..eacb5128fc09 100644
--- a/arch/x86/math-emu/reg_compare.c
+++ b/arch/x86/math-emu/reg_compare.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_compare.c                                                            |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_constant.c b/arch/x86/math-emu/reg_constant.c
index 00548354912f..8dc9095bab22 100644
--- a/arch/x86/math-emu/reg_constant.c
+++ b/arch/x86/math-emu/reg_constant.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_constant.c                                                           |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_constant.h b/arch/x86/math-emu/reg_constant.h
index 1bffaec3a134..f2fdd344dcaa 100644
--- a/arch/x86/math-emu/reg_constant.h
+++ b/arch/x86/math-emu/reg_constant.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  reg_constant.h                                                           |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_convert.c b/arch/x86/math-emu/reg_convert.c
index 108060779977..251180623ce0 100644
--- a/arch/x86/math-emu/reg_convert.c
+++ b/arch/x86/math-emu/reg_convert.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_convert.c                                                            |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_divide.c b/arch/x86/math-emu/reg_divide.c
index 6827012db341..08c2f6de0288 100644
--- a/arch/x86/math-emu/reg_divide.c
+++ b/arch/x86/math-emu/reg_divide.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_divide.c                                                             |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c
index 2c98965a60ba..d40ff45497b9 100644
--- a/arch/x86/math-emu/reg_ld_str.c
+++ b/arch/x86/math-emu/reg_ld_str.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_ld_str.c                                                             |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_mul.c b/arch/x86/math-emu/reg_mul.c
index 36c37f71f713..d69618572f14 100644
--- a/arch/x86/math-emu/reg_mul.c
+++ b/arch/x86/math-emu/reg_mul.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*---------------------------------------------------------------------------+
  |  reg_mul.c                                                                |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_norm.S b/arch/x86/math-emu/reg_norm.S
index 53ac1a343c69..7f6b4392a15d 100644
--- a/arch/x86/math-emu/reg_norm.S
+++ b/arch/x86/math-emu/reg_norm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  reg_norm.S                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/reg_round.S b/arch/x86/math-emu/reg_round.S
index 41af5b208d88..04563421ee7d 100644
--- a/arch/x86/math-emu/reg_round.S
+++ b/arch/x86/math-emu/reg_round.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file "reg_round.S"
 /*---------------------------------------------------------------------------+
  |  reg_round.S                                                              |
diff --git a/arch/x86/math-emu/reg_u_add.S b/arch/x86/math-emu/reg_u_add.S
index 3b1bc5e9b2f6..50fe9f8c893c 100644
--- a/arch/x86/math-emu/reg_u_add.S
+++ b/arch/x86/math-emu/reg_u_add.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"reg_u_add.S"
 /*---------------------------------------------------------------------------+
  |  reg_u_add.S                                                              |
diff --git a/arch/x86/math-emu/reg_u_div.S b/arch/x86/math-emu/reg_u_div.S
index 796eb5ab921b..94d545e118e4 100644
--- a/arch/x86/math-emu/reg_u_div.S
+++ b/arch/x86/math-emu/reg_u_div.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"reg_u_div.S"
 /*---------------------------------------------------------------------------+
  |  reg_u_div.S                                                              |
diff --git a/arch/x86/math-emu/reg_u_mul.S b/arch/x86/math-emu/reg_u_mul.S
index 6196f68cf3c1..21cde47fb3e5 100644
--- a/arch/x86/math-emu/reg_u_mul.S
+++ b/arch/x86/math-emu/reg_u_mul.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"reg_u_mul.S"
 /*---------------------------------------------------------------------------+
  |  reg_u_mul.S                                                              |
diff --git a/arch/x86/math-emu/reg_u_sub.S b/arch/x86/math-emu/reg_u_sub.S
index d115b900919a..f05dea7dec38 100644
--- a/arch/x86/math-emu/reg_u_sub.S
+++ b/arch/x86/math-emu/reg_u_sub.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"reg_u_sub.S"
 /*---------------------------------------------------------------------------+
  |  reg_u_sub.S                                                              |
diff --git a/arch/x86/math-emu/round_Xsig.S b/arch/x86/math-emu/round_Xsig.S
index 87c99749a495..226a51e991f1 100644
--- a/arch/x86/math-emu/round_Xsig.S
+++ b/arch/x86/math-emu/round_Xsig.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  round_Xsig.S                                                             |
  |                                                                           |
diff --git a/arch/x86/math-emu/shr_Xsig.S b/arch/x86/math-emu/shr_Xsig.S
index c8552edeec75..96f4779aa9c1 100644
--- a/arch/x86/math-emu/shr_Xsig.S
+++ b/arch/x86/math-emu/shr_Xsig.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"shr_Xsig.S"
 /*---------------------------------------------------------------------------+
  |  shr_Xsig.S                                                               |
diff --git a/arch/x86/math-emu/status_w.h b/arch/x86/math-emu/status_w.h
index 54a3f226982d..b77bafec9526 100644
--- a/arch/x86/math-emu/status_w.h
+++ b/arch/x86/math-emu/status_w.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*---------------------------------------------------------------------------+
  |  status_w.h                                                               |
  |                                                                           |
diff --git a/arch/x86/math-emu/wm_shrx.S b/arch/x86/math-emu/wm_shrx.S
index 340dd6897f85..d588874eb6fb 100644
--- a/arch/x86/math-emu/wm_shrx.S
+++ b/arch/x86/math-emu/wm_shrx.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"wm_shrx.S"
 /*---------------------------------------------------------------------------+
  |  wm_shrx.S                                                                |
diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S
index 695afae38fdf..f031c0e19356 100644
--- a/arch/x86/math-emu/wm_sqrt.S
+++ b/arch/x86/math-emu/wm_sqrt.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.file	"wm_sqrt.S"
 /*---------------------------------------------------------------------------+
  |  wm_sqrt.S                                                                |
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index e1f095884386..7ba7f3d7f477 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Kernel does not boot with instrumentation of tlb.c and mem_encrypt.c
 KCOV_INSTRUMENT_tlb.o		:= n
 KCOV_INSTRUMENT_mem_encrypt.o	:= n
diff --git a/arch/x86/mm/amdtopology.c b/arch/x86/mm/amdtopology.c
index 91f501b2da3b..048c761d97b0 100644
--- a/arch/x86/mm/amdtopology.c
+++ b/arch/x86/mm/amdtopology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * AMD NUMA support.
  * Discover the memory map and associated nodes.
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index e2baeaa053a5..f5ff142e6fe0 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995  Linus Torvalds
  *  Copyright (C) 2001, 2002 Andi Kleen, SuSE Labs.
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 6d06cf33e3de..8ae0000cbdb3 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IA-32 Huge TLB Page Support for Kernel.
  *
diff --git a/arch/x86/mm/ident_map.c b/arch/x86/mm/ident_map.c
index 31cea988fa36..ab33a32df2a8 100644
--- a/arch/x86/mm/ident_map.c
+++ b/arch/x86/mm/ident_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Helper routines for building identity mapping page tables. This is
  * included by both the compressed kernel and the regular kernel.
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index bc84b73684b7..8f5be3eb40dd 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define DISABLE_BRANCH_PROFILING
 #define pr_fmt(fmt) "kasan: " fmt
 #include <linux/bootmem.h>
diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c
index af599167fe3c..879ef930e2c2 100644
--- a/arch/x86/mm/kaslr.c
+++ b/arch/x86/mm/kaslr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file implements KASLR memory randomization for x86_64. It randomizes
  * the virtual address space of kernel memory regions (physical memory
diff --git a/arch/x86/mm/kmemcheck/error.c b/arch/x86/mm/kmemcheck/error.c
index dab41876cdd5..872ec4159a68 100644
--- a/arch/x86/mm/kmemcheck/error.c
+++ b/arch/x86/mm/kmemcheck/error.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/interrupt.h>
 #include <linux/kdebug.h>
 #include <linux/kmemcheck.h>
diff --git a/arch/x86/mm/kmemcheck/error.h b/arch/x86/mm/kmemcheck/error.h
index 0efc2e8d0a20..39f80d7a874d 100644
--- a/arch/x86/mm/kmemcheck/error.h
+++ b/arch/x86/mm/kmemcheck/error.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH__X86__MM__KMEMCHECK__ERROR_H
 #define ARCH__X86__MM__KMEMCHECK__ERROR_H
 
diff --git a/arch/x86/mm/kmemcheck/opcode.c b/arch/x86/mm/kmemcheck/opcode.c
index 324aa3f07237..df8109ddf7fe 100644
--- a/arch/x86/mm/kmemcheck/opcode.c
+++ b/arch/x86/mm/kmemcheck/opcode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 
 #include "opcode.h"
diff --git a/arch/x86/mm/kmemcheck/opcode.h b/arch/x86/mm/kmemcheck/opcode.h
index 6956aad66b5b..51a1ce94c24a 100644
--- a/arch/x86/mm/kmemcheck/opcode.h
+++ b/arch/x86/mm/kmemcheck/opcode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH__X86__MM__KMEMCHECK__OPCODE_H
 #define ARCH__X86__MM__KMEMCHECK__OPCODE_H
 
diff --git a/arch/x86/mm/kmemcheck/pte.c b/arch/x86/mm/kmemcheck/pte.c
index 4ead26eeaf96..8a03be90272a 100644
--- a/arch/x86/mm/kmemcheck/pte.c
+++ b/arch/x86/mm/kmemcheck/pte.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 
 #include <asm/pgtable.h>
diff --git a/arch/x86/mm/kmemcheck/pte.h b/arch/x86/mm/kmemcheck/pte.h
index 9f5966456492..b595612382c2 100644
--- a/arch/x86/mm/kmemcheck/pte.h
+++ b/arch/x86/mm/kmemcheck/pte.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH__X86__MM__KMEMCHECK__PTE_H
 #define ARCH__X86__MM__KMEMCHECK__PTE_H
 
diff --git a/arch/x86/mm/kmemcheck/selftest.c b/arch/x86/mm/kmemcheck/selftest.c
index aef7140c0063..7ce0be1f99eb 100644
--- a/arch/x86/mm/kmemcheck/selftest.c
+++ b/arch/x86/mm/kmemcheck/selftest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/kernel.h>
 
diff --git a/arch/x86/mm/kmemcheck/selftest.h b/arch/x86/mm/kmemcheck/selftest.h
index 8fed4fe11f95..8d759aae453d 100644
--- a/arch/x86/mm/kmemcheck/selftest.h
+++ b/arch/x86/mm/kmemcheck/selftest.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_X86_MM_KMEMCHECK_SELFTEST_H
 #define ARCH_X86_MM_KMEMCHECK_SELFTEST_H
 
diff --git a/arch/x86/mm/kmemcheck/shadow.h b/arch/x86/mm/kmemcheck/shadow.h
index ff0b2f70fbcb..49768dc18664 100644
--- a/arch/x86/mm/kmemcheck/shadow.h
+++ b/arch/x86/mm/kmemcheck/shadow.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH__X86__MM__KMEMCHECK__SHADOW_H
 #define ARCH__X86__MM__KMEMCHECK__SHADOW_H
 
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index afc47f5c9531..c21c2ed04612 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Support for MMIO probes.
  * Benfit many code from kprobes
  * (C) 2002 Louis Zhuang <louis.zhuang@intel.com>.
diff --git a/arch/x86/mm/mm_internal.h b/arch/x86/mm/mm_internal.h
index 62474ba66c8e..4e1f6e1b8159 100644
--- a/arch/x86/mm/mm_internal.h
+++ b/arch/x86/mm/mm_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __X86_MM_INTERNAL_H
 #define __X86_MM_INTERNAL_H
 
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index 9ceaa955d2ba..7eb06701a935 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mpx.c - Memory Protection eXtensions
  *
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 9405ffc91502..066f3511d5f1 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic VM initialization for x86-64 NUMA setups.
  * Copyright 2002,2003 Andi Kleen, SuSE Labs.
diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
index d805162e6045..34a2a3bfde9c 100644
--- a/arch/x86/mm/numa_emulation.c
+++ b/arch/x86/mm/numa_emulation.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NUMA emulation
  */
diff --git a/arch/x86/mm/numa_internal.h b/arch/x86/mm/numa_internal.h
index ad86ec91e640..86860f279662 100644
--- a/arch/x86/mm/numa_internal.h
+++ b/arch/x86/mm/numa_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __X86_MM_NUMA_INTERNAL_H
 #define __X86_MM_NUMA_INTERNAL_H
 
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 5f169d5d76a8..a25588ad75ef 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * self test for change_page_attr.
  *
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h
index a739bfc40690..eeb5caeb089b 100644
--- a/arch/x86/mm/pat_internal.h
+++ b/arch/x86/mm/pat_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PAT_INTERNAL_H_
 #define __PAT_INTERNAL_H_
 
diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c
index d76485b22824..fa16036fa592 100644
--- a/arch/x86/mm/pat_rbtree.c
+++ b/arch/x86/mm/pat_rbtree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Handle caching attributes in page tables (PAT)
  *
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index b372f3442bbf..17ebc5a978cc 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/gfp.h>
 #include <asm/pgalloc.h>
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index b9bd5b8b14fa..6b9bf023a700 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/arch/x86/mm/physaddr.c b/arch/x86/mm/physaddr.c
index cfc3b9121ce4..7f9acb68324c 100644
--- a/arch/x86/mm/physaddr.c
+++ b/arch/x86/mm/physaddr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bootmem.h>
 #include <linux/mmdebug.h>
 #include <linux/export.h>
diff --git a/arch/x86/mm/physaddr.h b/arch/x86/mm/physaddr.h
index a3cd5a0c97b3..9f6419cafc32 100644
--- a/arch/x86/mm/physaddr.h
+++ b/arch/x86/mm/physaddr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/processor.h>
 
 static inline int phys_addr_valid(resource_size_t addr)
diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
index f65a33f505b6..adb3c5784dac 100644
--- a/arch/x86/mm/setup_nx.c
+++ b/arch/x86/mm/setup_nx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/init.h>
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 3ea20d61b523..dac07e4f5834 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ACPI 3.0 based NUMA setup
  * Copyright 2004 Andi Kleen, SuSE Labs.
diff --git a/arch/x86/oprofile/Makefile b/arch/x86/oprofile/Makefile
index 1599f568f0e2..4d49b5a27025 100644
--- a/arch/x86/oprofile/Makefile
+++ b/arch/x86/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index 5c6fc3577a49..c806b57d3f22 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				:= i386.o init.o
 
 obj-$(CONFIG_PCI_BIOS)		+= pcbios.o
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 3961103e9176..7df49c40665e 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/init.h>
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index ae387e5ee6f7..649bdde63e32 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/topology.h>
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index 6eb3c8af96e2..2752c02e3f0e 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/range.h>
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
index ff8f65b04574..697dd841b118 100644
--- a/arch/x86/pci/bus_numa.h
+++ b/arch/x86/pci/bus_numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BUS_NUMA_H
 #define __BUS_NUMA_H
 /*
diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c
index 15460590b8c5..2d9503323d10 100644
--- a/arch/x86/pci/direct.c
+++ b/arch/x86/pci/direct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * direct.c - Low-level direct PCI config space access
  */
diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c
index d1067d539bee..f0114007e915 100644
--- a/arch/x86/pci/early.c
+++ b/arch/x86/pci/early.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <asm/pci-direct.h>
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index f2228b150faa..4210da7b44de 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Exceptions for specific devices. Usually work-arounds for fatal design flaws.
  */
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 7b4307163eac..ed4ac215305d 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Low-Level PCI Access for i386 machines
  *
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index adb62aaa7ecd..5fc617edf108 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <asm/pci_x86.h>
diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c
index b901ece278dd..1012a5f0f98d 100644
--- a/arch/x86/pci/intel_mid_pci.c
+++ b/arch/x86/pci/intel_mid_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Intel MID PCI support
  *   Copyright (c) 2008 Intel Corporation
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 0f5f60b14f48..0452629148be 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Low-Level PCI Support for PC -- Routing of Interrupts
  *
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index d1b47d5bc9c3..96684d0adcf9 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mmconfig-shared.c - Low-level direct PCI config space access via
  *                     MMCONFIG - common code between i386 and x86-64.
diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c
index f1c1aa0430ae..887d181b769b 100644
--- a/arch/x86/pci/mmconfig_64.c
+++ b/arch/x86/pci/mmconfig_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mmconfig.c - Low-level direct PCI config space access via MMCONFIG
  *
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
index 76595408ff53..9c97d814125e 100644
--- a/arch/x86/pci/pcbios.c
+++ b/arch/x86/pci/pcbios.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * BIOS32 and PCI BIOS handling.
  */
diff --git a/arch/x86/platform/Makefile b/arch/x86/platform/Makefile
index 184842ef332e..d0e835470d01 100644
--- a/arch/x86/platform/Makefile
+++ b/arch/x86/platform/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Platform specific code goes here
 obj-y	+= atom/
 obj-y	+= ce4100/
diff --git a/arch/x86/platform/efi/Makefile b/arch/x86/platform/efi/Makefile
index 2f56e1ed61c3..e4dc3862d423 100644
--- a/arch/x86/platform/efi/Makefile
+++ b/arch/x86/platform/efi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD_efi_thunk_$(BITS).o := y
 OBJECT_FILES_NON_STANDARD_efi_stub_$(BITS).o := y
 
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 928b6dceeca0..9061babfbc83 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common EFI (Extensible Firmware Interface) support functions
  * Based on Extensible Firmware Interface Specification version 1.0
diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
index 52f7faa1538f..324b93328b37 100644
--- a/arch/x86/platform/efi/efi_32.c
+++ b/arch/x86/platform/efi/efi_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Extensible Firmware Interface
  *
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 12e83888e5b9..20fb31579b69 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * x86_64 specific EFI support functions
  * Based on Extensible Firmware Interface Specification version 1.0
diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S
index 040192b50d02..ab2e91e76894 100644
--- a/arch/x86/platform/efi/efi_stub_32.S
+++ b/arch/x86/platform/efi/efi_stub_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * EFI call stub for IA32.
  *
diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
index cd95075944ab..74628ec78f29 100644
--- a/arch/x86/platform/efi/efi_stub_64.S
+++ b/arch/x86/platform/efi/efi_stub_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Function calling ABI conversion from Linux to EFI for x86_64
  *
diff --git a/arch/x86/platform/efi/efi_thunk_64.S b/arch/x86/platform/efi/efi_thunk_64.S
index ff85d28c50f2..189b218da87c 100644
--- a/arch/x86/platform/efi/efi_thunk_64.S
+++ b/arch/x86/platform/efi/efi_thunk_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2014 Intel Corporation; author Matt Fleming
  *
diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile
index 53e0235e308f..480fed21cc7d 100644
--- a/arch/x86/platform/intel-mid/device_libs/Makefile
+++ b/arch/x86/platform/intel-mid/device_libs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Family-Level Interface Shim (FLIS)
 obj-$(subst m,y,$(CONFIG_PINCTRL_MERRIFIELD)) += platform_mrfld_pinctrl.o
 # SDHCI Devices
diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c
index b8f562049cad..42f879b75f9b 100644
--- a/arch/x86/platform/intel-quark/imr_selftest.c
+++ b/arch/x86/platform/intel-quark/imr_selftest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * imr_selftest.c -- Intel Isolated Memory Region self-test driver
  *
diff --git a/arch/x86/platform/olpc/Makefile b/arch/x86/platform/olpc/Makefile
index fd332c533947..049f92a9379d 100644
--- a/arch/x86/platform/olpc/Makefile
+++ b/arch/x86/platform/olpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OLPC)		+= olpc.o olpc_ofw.o olpc_dt.o
 obj-$(CONFIG_OLPC_XO1_PM)		+= olpc-xo1-pm.o xo1-wakeup.o
 obj-$(CONFIG_OLPC_XO1_RTC)	+= olpc-xo1-rtc.o
diff --git a/arch/x86/platform/olpc/xo1-wakeup.S b/arch/x86/platform/olpc/xo1-wakeup.S
index 948deb289753..5fee3a2c2fd4 100644
--- a/arch/x86/platform/olpc/xo1-wakeup.S
+++ b/arch/x86/platform/olpc/xo1-wakeup.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 .text
 #include <linux/linkage.h>
 #include <asm/segment.h>
diff --git a/arch/x86/power/Makefile b/arch/x86/power/Makefile
index 05041871ac90..a4701389562c 100644
--- a/arch/x86/power/Makefile
+++ b/arch/x86/power/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD_hibernate_asm_$(BITS).o := y
 
 # __restore_processor_state() restores %gs after S3 resume and so should not
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index 1d0fa0e24070..6e56815e13a0 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This may not use any stack, nor any variable that is not "NoSave":
  *
diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 7dbdb780264d..2f15a2ac4209 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD := y
 
 purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o
diff --git a/arch/x86/ras/Kconfig b/arch/x86/ras/Kconfig
index bb026699ad19..a9c3db125222 100644
--- a/arch/x86/ras/Kconfig
+++ b/arch/x86/ras/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config RAS_CEC
 	bool "Correctable Errors Collector"
 	depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 1f71980fc5e0..ed84d3917a59 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/io.h>
 #include <linux/slab.h>
 #include <linux/memblock.h>
diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S
index a28221d94e69..30b0d30d861a 100644
--- a/arch/x86/realmode/rm/header.S
+++ b/arch/x86/realmode/rm/header.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Real-mode blob header; this should match realmode.h and be
  * readonly; for mutable data instead add pointers into the .data
diff --git a/arch/x86/realmode/rm/realmode.h b/arch/x86/realmode/rm/realmode.h
index d74cff6350ed..c76041a35397 100644
--- a/arch/x86/realmode/rm/realmode.h
+++ b/arch/x86/realmode/rm/realmode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_X86_REALMODE_RM_REALMODE_H
 #define ARCH_X86_REALMODE_RM_REALMODE_H
 
diff --git a/arch/x86/realmode/rm/realmode.lds.S b/arch/x86/realmode/rm/realmode.lds.S
index 86b2e8d6b1f1..df8e11e26bc3 100644
--- a/arch/x86/realmode/rm/realmode.lds.S
+++ b/arch/x86/realmode/rm/realmode.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * realmode.lds.S
  *
diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S
index d66c607bdc58..cd2f97b9623b 100644
--- a/arch/x86/realmode/rm/reboot.S
+++ b/arch/x86/realmode/rm/reboot.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 #include <asm/segment.h>
 #include <asm/page_types.h>
diff --git a/arch/x86/realmode/rm/stack.S b/arch/x86/realmode/rm/stack.S
index 867ae87adfae..8d4cb64799ea 100644
--- a/arch/x86/realmode/rm/stack.S
+++ b/arch/x86/realmode/rm/stack.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common heap and stack allocations
  */
diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
index 48ddd76bc4c3..2dd866c9e21e 100644
--- a/arch/x86/realmode/rm/trampoline_32.S
+++ b/arch/x86/realmode/rm/trampoline_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *	Trampoline.S	Derived from Setup.S by Linus Torvalds
diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
index 614fd7064d0a..de53bd15df5a 100644
--- a/arch/x86/realmode/rm/trampoline_64.S
+++ b/arch/x86/realmode/rm/trampoline_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *	Trampoline.S	Derived from Setup.S by Linus Torvalds
diff --git a/arch/x86/realmode/rm/trampoline_common.S b/arch/x86/realmode/rm/trampoline_common.S
index b1ecdb9692ad..7c706772ab59 100644
--- a/arch/x86/realmode/rm/trampoline_common.S
+++ b/arch/x86/realmode/rm/trampoline_common.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	.section ".rodata","a"
 	.balign	16
 tr_idt: .fill 1, 6, 0
diff --git a/arch/x86/realmode/rm/wakemain.c b/arch/x86/realmode/rm/wakemain.c
index 91405d515ec6..1d6437e6d2ba 100644
--- a/arch/x86/realmode/rm/wakemain.c
+++ b/arch/x86/realmode/rm/wakemain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "wakeup.h"
 #include "boot.h"
 
diff --git a/arch/x86/realmode/rm/wakeup.h b/arch/x86/realmode/rm/wakeup.h
index 7dd86a419f5d..0e4fd08ae447 100644
--- a/arch/x86/realmode/rm/wakeup.h
+++ b/arch/x86/realmode/rm/wakeup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for the wakeup data structure at the head of the
  * wakeup code.
diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S
index 9e7e14797a72..05ac9c17c811 100644
--- a/arch/x86/realmode/rm/wakeup_asm.S
+++ b/arch/x86/realmode/rm/wakeup_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ACPI wakeup real mode startup stub
  */
diff --git a/arch/x86/realmode/rmpiggy.S b/arch/x86/realmode/rmpiggy.S
index 204c6ece0e97..c078dba40cef 100644
--- a/arch/x86/realmode/rmpiggy.S
+++ b/arch/x86/realmode/rmpiggy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Wrapper script for the realmode binary as a transport object
  * before copying to low memory.
diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
index 604a37efd4d5..972b8e8d939c 100644
--- a/arch/x86/tools/Makefile
+++ b/arch/x86/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 PHONY += posttest
 
 ifeq ($(KBUILD_VERBOSE),1)
diff --git a/arch/x86/tools/distill.awk b/arch/x86/tools/distill.awk
index c13c0ee48ab4..e0edeccc1429 100644
--- a/arch/x86/tools/distill.awk
+++ b/arch/x86/tools/distill.awk
@@ -1,4 +1,5 @@
 #!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 # Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
 # Distills the disassembly as follows:
 # - Removes all lines except the disassembled instructions.
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk
index a3d2c62fd805..b02a36b2c14f 100644
--- a/arch/x86/tools/gen-insn-attr-x86.awk
+++ b/arch/x86/tools/gen-insn-attr-x86.awk
@@ -1,4 +1,5 @@
 #!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 # gen-insn-attr-x86.awk: Instruction attribute table generator
 # Written by Masami Hiramatsu <mhiramat@redhat.com>
 #
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 73eb7fd4aec4..5d73c443e778 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* This is included from relocs_32/64.c */
 
 #define ElfW(type)		_ElfW(ELF_BITS, type)
diff --git a/arch/x86/tools/relocs.h b/arch/x86/tools/relocs.h
index 1d23bf953a4a..43c83c0fd22c 100644
--- a/arch/x86/tools/relocs.h
+++ b/arch/x86/tools/relocs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RELOCS_H
 #define RELOCS_H
 
diff --git a/arch/x86/tools/relocs_32.c b/arch/x86/tools/relocs_32.c
index b2ade2bb4162..9442ff78be83 100644
--- a/arch/x86/tools/relocs_32.c
+++ b/arch/x86/tools/relocs_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 32
diff --git a/arch/x86/tools/relocs_64.c b/arch/x86/tools/relocs_64.c
index 56b61b743c4c..9029cb619cb1 100644
--- a/arch/x86/tools/relocs_64.c
+++ b/arch/x86/tools/relocs_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 64
diff --git a/arch/x86/tools/relocs_common.c b/arch/x86/tools/relocs_common.c
index acab636bcb34..6634352a20bc 100644
--- a/arch/x86/tools/relocs_common.c
+++ b/arch/x86/tools/relocs_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 void die(char *fmt, ...)
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index ed56a1c4ae73..13ed827c7c66 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
 
 source "arch/um/Kconfig.common"
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index 46cbbfe03285..c2d3d7c51e9e 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 #
diff --git a/arch/x86/um/asm/arch_hweight.h b/arch/x86/um/asm/arch_hweight.h
index c656cf443f4a..0d2d5fbb3a39 100644
--- a/arch/x86/um/asm/arch_hweight.h
+++ b/arch/x86/um/asm/arch_hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UM_HWEIGHT_H
 #define _ASM_UM_HWEIGHT_H
 
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h
index 00c319048d52..b7d73400ea29 100644
--- a/arch/x86/um/asm/barrier.h
+++ b/arch/x86/um/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_UM_BARRIER_H_
 #define _ASM_UM_BARRIER_H_
 
diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h
index 54d96f1e3594..2a56cac64687 100644
--- a/arch/x86/um/asm/checksum.h
+++ b/arch/x86/um/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_CHECKSUM_H
 #define __UM_CHECKSUM_H
 
diff --git a/arch/x86/um/asm/desc.h b/arch/x86/um/asm/desc.h
index 4ec34a51b62c..34de4e93d945 100644
--- a/arch/x86/um/asm/desc.h
+++ b/arch/x86/um/asm/desc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_DESC_H
 #define __UM_DESC_H
 
diff --git a/arch/x86/um/asm/module.h b/arch/x86/um/asm/module.h
index 61af80e932eb..a3b061d66082 100644
--- a/arch/x86/um/asm/module.h
+++ b/arch/x86/um/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_MODULE_H
 #define __UM_MODULE_H
 
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h
index c77db2288982..593d5f3902bd 100644
--- a/arch/x86/um/asm/processor.h
+++ b/arch/x86/um/asm/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_PROCESSOR_H
 #define __UM_PROCESSOR_H
 
diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h
index b291ca5cf66b..83822fd42204 100644
--- a/arch/x86/um/asm/ptrace.h
+++ b/arch/x86/um/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_X86_PTRACE_H
 #define __UM_X86_PTRACE_H
 
diff --git a/arch/x86/um/asm/segment.h b/arch/x86/um/asm/segment.h
index 41dd5e1f3cd7..453db377150d 100644
--- a/arch/x86/um/asm/segment.h
+++ b/arch/x86/um/asm/segment.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_SEGMENT_H
 #define __UM_SEGMENT_H
 
diff --git a/arch/x86/um/asm/syscall.h b/arch/x86/um/asm/syscall.h
index 11ab90dc5f14..ef898af102d1 100644
--- a/arch/x86/um/asm/syscall.h
+++ b/arch/x86/um/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_ASM_SYSCALL_H
 #define __UM_ASM_SYSCALL_H
 
diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c
index 7bb89a27a5e4..48a3eb09d951 100644
--- a/arch/x86/um/elfcore.c
+++ b/arch/x86/um/elfcore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/elf.h>
 #include <linux/coredump.h>
 #include <linux/fs.h>
diff --git a/arch/x86/um/mem_64.c b/arch/x86/um/mem_64.c
index 7642e2e2aa61..c027e93d1002 100644
--- a/arch/x86/um/mem_64.c
+++ b/arch/x86/um/mem_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <asm/elf.h>
 
diff --git a/arch/x86/um/os-Linux/mcontext.c b/arch/x86/um/os-Linux/mcontext.c
index 1d33d72c6284..49c3744cac37 100644
--- a/arch/x86/um/os-Linux/mcontext.c
+++ b/arch/x86/um/os-Linux/mcontext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/ucontext.h>
 #define __FRAME_OFFSETS
 #include <asm/ptrace.h>
diff --git a/arch/x86/um/os-Linux/task_size.c b/arch/x86/um/os-Linux/task_size.c
index 5adb6a2fd117..e62174638f00 100644
--- a/arch/x86/um/os-Linux/task_size.c
+++ b/arch/x86/um/os-Linux/task_size.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
diff --git a/arch/x86/um/os-Linux/tls.c b/arch/x86/um/os-Linux/tls.c
index ed8ea90967dc..3e1b1bf6acbc 100644
--- a/arch/x86/um/os-Linux/tls.c
+++ b/arch/x86/um/os-Linux/tls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <linux/unistd.h>
 
diff --git a/arch/x86/um/setjmp_32.S b/arch/x86/um/setjmp_32.S
index 39053192918d..62eaf8c80e04 100644
--- a/arch/x86/um/setjmp_32.S
+++ b/arch/x86/um/setjmp_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #
 # arch/i386/setjmp.S
 #
diff --git a/arch/x86/um/setjmp_64.S b/arch/x86/um/setjmp_64.S
index c56942e1a38c..1b5d40d4ff46 100644
--- a/arch/x86/um/setjmp_64.S
+++ b/arch/x86/um/setjmp_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #
 # arch/x86_64/setjmp.S
 #
diff --git a/arch/x86/um/shared/sysdep/archsetjmp.h b/arch/x86/um/shared/sysdep/archsetjmp.h
index ff7766d28226..166cedbab926 100644
--- a/arch/x86/um/shared/sysdep/archsetjmp.h
+++ b/arch/x86/um/shared/sysdep/archsetjmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __i386__
 #include "archsetjmp_32.h"
 #else
diff --git a/arch/x86/um/shared/sysdep/archsetjmp_32.h b/arch/x86/um/shared/sysdep/archsetjmp_32.h
index 0f312085ce1d..fb08f2576438 100644
--- a/arch/x86/um/shared/sysdep/archsetjmp_32.h
+++ b/arch/x86/um/shared/sysdep/archsetjmp_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/um/include/sysdep-i386/archsetjmp.h
  */
diff --git a/arch/x86/um/shared/sysdep/archsetjmp_64.h b/arch/x86/um/shared/sysdep/archsetjmp_64.h
index 2af8f12ca161..9b499e457ba0 100644
--- a/arch/x86/um/shared/sysdep/archsetjmp_64.h
+++ b/arch/x86/um/shared/sysdep/archsetjmp_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * arch/um/include/sysdep-x86_64/archsetjmp.h
  */
diff --git a/arch/x86/um/shared/sysdep/faultinfo.h b/arch/x86/um/shared/sysdep/faultinfo.h
index 862ecb1c7781..4390803e07a1 100644
--- a/arch/x86/um/shared/sysdep/faultinfo.h
+++ b/arch/x86/um/shared/sysdep/faultinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __i386__
 #include "faultinfo_32.h"
 #else
diff --git a/arch/x86/um/shared/sysdep/kernel-offsets.h b/arch/x86/um/shared/sysdep/kernel-offsets.h
index 7e1d35b6ad5c..a004bffb7b8d 100644
--- a/arch/x86/um/shared/sysdep/kernel-offsets.h
+++ b/arch/x86/um/shared/sysdep/kernel-offsets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/elf.h>
diff --git a/arch/x86/um/shared/sysdep/ptrace.h b/arch/x86/um/shared/sysdep/ptrace.h
index eb9356904ad3..6ca4ecabc55b 100644
--- a/arch/x86/um/shared/sysdep/ptrace.h
+++ b/arch/x86/um/shared/sysdep/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SYSDEP_X86_PTRACE_H
 #define __SYSDEP_X86_PTRACE_H
 
diff --git a/arch/x86/um/shared/sysdep/ptrace_user.h b/arch/x86/um/shared/sysdep/ptrace_user.h
index 16cd6b5e71f7..44782bbad41e 100644
--- a/arch/x86/um/shared/sysdep/ptrace_user.h
+++ b/arch/x86/um/shared/sysdep/ptrace_user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <generated/user_constants.h>
 
 #define PT_OFFSET(r) ((r) * sizeof(long))
diff --git a/arch/x86/um/shared/sysdep/stub.h b/arch/x86/um/shared/sysdep/stub.h
index 3f55e5bd3cec..ce0ca46ad383 100644
--- a/arch/x86/um/shared/sysdep/stub.h
+++ b/arch/x86/um/shared/sysdep/stub.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/unistd.h>
 #include <sys/mman.h>
 #include <signal.h>
diff --git a/arch/x86/um/shared/sysdep/syscalls.h b/arch/x86/um/shared/sysdep/syscalls.h
index bd9a89b67e41..b2060ac707f0 100644
--- a/arch/x86/um/shared/sysdep/syscalls.h
+++ b/arch/x86/um/shared/sysdep/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __i386__
 #include "syscalls_32.h"
 #else
diff --git a/arch/x86/um/shared/sysdep/tls.h b/arch/x86/um/shared/sysdep/tls.h
index a682db13df23..b968016aa379 100644
--- a/arch/x86/um/shared/sysdep/tls.h
+++ b/arch/x86/um/shared/sysdep/tls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SYSDEP_TLS_H
 #define _SYSDEP_TLS_H
 
diff --git a/arch/x86/um/stub_32.S b/arch/x86/um/stub_32.S
index 98816804e131..a193e88536a9 100644
--- a/arch/x86/um/stub_32.S
+++ b/arch/x86/um/stub_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <as-layout.h>
 
 .section .__syscall_stub, "ax"
diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S
index ba914b3b8cc4..8a95c5b2eaf9 100644
--- a/arch/x86/um/stub_64.S
+++ b/arch/x86/um/stub_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <as-layout.h>
 
 .section .__syscall_stub, "ax"
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index bfce503dffae..9649b5ad2ca2 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
  * with some changes for UML.
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index f306413d3eb6..c8bc7fb8cbd6 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c
  * with some changes for UML.
diff --git a/arch/x86/um/syscalls_32.c b/arch/x86/um/syscalls_32.c
index 627d68836b16..5c65254c8f35 100644
--- a/arch/x86/um/syscalls_32.c
+++ b/arch/x86/um/syscalls_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/syscalls.h>
 #include <os.h>
 
diff --git a/arch/x86/um/tls_64.c b/arch/x86/um/tls_64.c
index 3ad714373d7f..3a621e0d3925 100644
--- a/arch/x86/um/tls_64.c
+++ b/arch/x86/um/tls_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched.h>
 #include <asm/ptrace-abi.h>
 
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c
index 3099c209546f..5b37b7f952dd 100644
--- a/arch/x86/um/user-offsets.c
+++ b/arch/x86/um/user-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stddef.h>
 #include <signal.h>
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 329406224330..10003359e633 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Building vDSO images for x86.
 #
diff --git a/arch/x86/um/vdso/checkundef.sh b/arch/x86/um/vdso/checkundef.sh
index 7ee90a9b549d..8e3ea6bb956f 100644
--- a/arch/x86/um/vdso/checkundef.sh
+++ b/arch/x86/um/vdso/checkundef.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 nm="$1"
 file="$2"
 $nm "$file" | grep '^ *U' > /dev/null 2>&1
diff --git a/arch/x86/um/vdso/vdso-layout.lds.S b/arch/x86/um/vdso/vdso-layout.lds.S
index 634a2cf62046..439b790df18f 100644
--- a/arch/x86/um/vdso/vdso-layout.lds.S
+++ b/arch/x86/um/vdso/vdso-layout.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for vDSO.  This is an ELF shared object prelinked to
  * its virtual address, and with only one read-only segment.
diff --git a/arch/x86/um/vdso/vdso.S b/arch/x86/um/vdso/vdso.S
index 1cb468adacbb..a4a3870dc059 100644
--- a/arch/x86/um/vdso/vdso.S
+++ b/arch/x86/um/vdso/vdso.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 
 __INITDATA
diff --git a/arch/x86/um/vdso/vdso.lds.S b/arch/x86/um/vdso/vdso.lds.S
index b96b2677cad8..73c508587a98 100644
--- a/arch/x86/um/vdso/vdso.lds.S
+++ b/arch/x86/um/vdso/vdso.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linker script for 64-bit vDSO.
  * We #include the file to define the layout details.
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 1ecd419811a2..f605825a04ab 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # This Kconfig describes xen options
 #
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index bced7a369a11..d83cb5478f54 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD_xen-asm_$(BITS).o := y
 OBJECT_FILES_NON_STANDARD_xen-pvh.o := y
 
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
index b5e48da7fbff..30434b8708f2 100644
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 
 #include <asm/x86_init.h>
diff --git a/arch/x86/xen/debugfs.c b/arch/x86/xen/debugfs.c
index 1daff5545c0a..13da87918b4f 100644
--- a/arch/x86/xen/debugfs.c
+++ b/arch/x86/xen/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/debugfs.h>
 #include <linux/slab.h>
diff --git a/arch/x86/xen/debugfs.h b/arch/x86/xen/debugfs.h
index 12ebf3325c7b..6b813ad1091c 100644
--- a/arch/x86/xen/debugfs.h
+++ b/arch/x86/xen/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_DEBUGFS_H
 #define _XEN_DEBUGFS_H
 
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 69b9deff7e5c..d4396e27b1fb 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Core of Xen paravirt_ops implementation.
  *
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index 98ab17673454..7bd3ee08393e 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/acpi.h>
 
 #include <xen/hvc-console.h>
diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index d4eff5676cfa..74179852e46c 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/hardirq.h>
 
 #include <asm/x86_init.h>
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index 3fe2b3292915..a7e47cf7ec6c 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_MMU_H
 
 #include <linux/linkage.h>
diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c
index 1c57f1cd545c..2cfcfe4f6b2a 100644
--- a/arch/x86/xen/mmu_hvm.c
+++ b/arch/x86/xen/mmu_hvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/crash_dump.h>
 
diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index ea54a08d8301..dc502ca8263e 100644
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen hypercall batching.
  *
diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h
index 9c2e74f9096c..1c51b2c87f30 100644
--- a/arch/x86/xen/multicalls.h
+++ b/arch/x86/xen/multicalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_MULTICALLS_H
 #define _XEN_MULTICALLS_H
 
diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c
index b9fc52556bcc..7d00d4ad44d4 100644
--- a/arch/x86/xen/pmu.c
+++ b/arch/x86/xen/pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/interrupt.h>
 
diff --git a/arch/x86/xen/pmu.h b/arch/x86/xen/pmu.h
index 4be5355b56f7..0e83a160589b 100644
--- a/arch/x86/xen/pmu.h
+++ b/arch/x86/xen/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __XEN_PMU_H
 #define __XEN_PMU_H
 
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index ac55c02f98e9..c114ca767b3b 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Machine specific setup for xen
  *
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index e7f02eb73727..77c959cf81e7 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/smp.h>
 #include <linux/cpu.h>
 #include <linux/slab.h>
diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h
index 87d3c76cba37..bd02f9d50107 100644
--- a/arch/x86/xen/smp.h
+++ b/arch/x86/xen/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_SMP_H
 
 #ifdef CONFIG_SMP
diff --git a/arch/x86/xen/smp_hvm.c b/arch/x86/xen/smp_hvm.c
index fd60abedf658..f8d39440b292 100644
--- a/arch/x86/xen/smp_hvm.c
+++ b/arch/x86/xen/smp_hvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/smp.h>
 
 #include <xen/events.h>
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 51471408fdd1..05f91ce9b55e 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen SMP support
  *
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 25a7c4302ce7..08324c64005d 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Split spinlock implementation out into its own file, so it can be
  * compiled in a FTRACE-compatible way.
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index d6b1680693a9..92bf5ecb6baf 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/tick.h>
 
diff --git a/arch/x86/xen/suspend_hvm.c b/arch/x86/xen/suspend_hvm.c
index 484999416d8b..e666b614cf6d 100644
--- a/arch/x86/xen/suspend_hvm.c
+++ b/arch/x86/xen/suspend_hvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 
 #include <xen/xen.h>
diff --git a/arch/x86/xen/suspend_pv.c b/arch/x86/xen/suspend_pv.c
index 3abe4f07f34a..a2e0f110af56 100644
--- a/arch/x86/xen/suspend_pv.c
+++ b/arch/x86/xen/suspend_pv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 
 #include <asm/fixmap.h>
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 1ecb05db3632..80c2a4bdf230 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen time implementation.
  *
diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c
index a702ec2f5931..329f60eb95de 100644
--- a/arch/x86/xen/trace.c
+++ b/arch/x86/xen/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ftrace.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/xen-mca.h>
diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c
index 6722e3733f02..e336f223f7f4 100644
--- a/arch/x86/xen/vga.c
+++ b/arch/x86/xen/vga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/screen_info.h>
 #include <linux/init.h>
 
diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S
index dcd31fa39b5d..8019edd0125c 100644
--- a/arch/x86/xen/xen-asm.S
+++ b/arch/x86/xen/xen-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Asm versions of Xen pv-ops, suitable for direct use.
  *
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index 1200e262a116..c15db060a242 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Asm versions of Xen pv-ops, suitable for direct use.
  *
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index dae2cc33afb5..c98a48c861fd 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Asm versions of Xen pv-ops, suitable for direct use.
  *
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index a7525e95d53f..b5b8d7f43557 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Xen-specific pieces of head.S, intended to be included in the right
 	place in head.S */
 
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index c8a6d224f7ed..f377e1820c6c 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef XEN_OPS_H
 #define XEN_OPS_H
 
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 7ad6d77b2f22..eb1f196c3f6e 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ZONE_DMA
 	def_bool y
 
diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug
index 8430af27de0a..f64c14adadb3 100644
--- a/arch/xtensa/Kconfig.debug
+++ b/arch/xtensa/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S
index 86c34dbc9cd0..bf7fabe6310d 100644
--- a/arch/xtensa/boot/boot-redboot/bootstrap.S
+++ b/arch/xtensa/boot/boot-redboot/bootstrap.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <variant/core.h>
 #include <asm/regs.h>
 #include <asm/asmmacro.h>
diff --git a/arch/xtensa/boot/dts/csp.dts b/arch/xtensa/boot/dts/csp.dts
index 4082f26716b9..885495460f7e 100644
--- a/arch/xtensa/boot/dts/csp.dts
+++ b/arch/xtensa/boot/dts/csp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 / {
diff --git a/arch/xtensa/boot/dts/kc705.dts b/arch/xtensa/boot/dts/kc705.dts
index 6106bdc097ad..6887ff090fce 100644
--- a/arch/xtensa/boot/dts/kc705.dts
+++ b/arch/xtensa/boot/dts/kc705.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "xtfpga.dtsi"
 /include/ "xtfpga-flash-128m.dtsi"
diff --git a/arch/xtensa/boot/dts/kc705_nommu.dts b/arch/xtensa/boot/dts/kc705_nommu.dts
index 65f3d741b964..d8e194a0f64e 100644
--- a/arch/xtensa/boot/dts/kc705_nommu.dts
+++ b/arch/xtensa/boot/dts/kc705_nommu.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "xtfpga.dtsi"
 /include/ "xtfpga-flash-128m.dtsi"
diff --git a/arch/xtensa/boot/dts/lx200mx.dts b/arch/xtensa/boot/dts/lx200mx.dts
index 249822b99bd6..974a8d9041b3 100644
--- a/arch/xtensa/boot/dts/lx200mx.dts
+++ b/arch/xtensa/boot/dts/lx200mx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "xtfpga.dtsi"
 /include/ "xtfpga-flash-16m.dtsi"
diff --git a/arch/xtensa/boot/dts/lx60.dts b/arch/xtensa/boot/dts/lx60.dts
index a0f8b8ad3920..7c203c1c746a 100644
--- a/arch/xtensa/boot/dts/lx60.dts
+++ b/arch/xtensa/boot/dts/lx60.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "xtfpga.dtsi"
 /include/ "xtfpga-flash-4m.dtsi"
diff --git a/arch/xtensa/boot/dts/ml605.dts b/arch/xtensa/boot/dts/ml605.dts
index 905c3a5035e9..08e5c8d47197 100644
--- a/arch/xtensa/boot/dts/ml605.dts
+++ b/arch/xtensa/boot/dts/ml605.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /include/ "xtfpga.dtsi"
 /include/ "xtfpga-flash-16m.dtsi"
diff --git a/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi
index d3a88e029873..9bf8bad1dd18 100644
--- a/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	soc {
 		flash: flash@00000000 {
diff --git a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi
index 1d97203c18e7..40c2f81f7cb6 100644
--- a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	soc {
 		flash: flash@08000000 {
diff --git a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi
index d1c621ca8be1..fb8d3a9f33c2 100644
--- a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	soc {
 		flash: flash@08000000 {
diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index 91616a9d79df..1090528825ec 100644
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	compatible = "cdns,xtensa-xtfpga";
 	#address-cells = <1>;
diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile
index 6868f2ca6af8..d2a7f48564a4 100644
--- a/arch/xtensa/boot/lib/Makefile
+++ b/arch/xtensa/boot/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for some libs needed by zImage.
 #
diff --git a/arch/xtensa/boot/lib/zmem.c b/arch/xtensa/boot/lib/zmem.c
index d9862aa8ca25..e3ecd743c515 100644
--- a/arch/xtensa/boot/lib/zmem.c
+++ b/arch/xtensa/boot/lib/zmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/zlib.h>
 
 /* bits taken from ppc */
diff --git a/arch/xtensa/include/asm/flat.h b/arch/xtensa/include/asm/flat.h
index 60e0d6a45795..b8532d7877b3 100644
--- a/arch/xtensa/include/asm/flat.h
+++ b/arch/xtensa/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_XTENSA_FLAT_H
 #define __ASM_XTENSA_FLAT_H
 
diff --git a/arch/xtensa/include/asm/nommu_context.h b/arch/xtensa/include/asm/nommu_context.h
index 22984fd1d846..2cebdbbdb633 100644
--- a/arch/xtensa/include/asm/nommu_context.h
+++ b/arch/xtensa/include/asm/nommu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static inline void init_mmu(void)
 {
 }
diff --git a/arch/xtensa/include/asm/spinlock_types.h b/arch/xtensa/include/asm/spinlock_types.h
index 7ec5ce10c9e9..bb1fe6c1816e 100644
--- a/arch/xtensa/include/asm/spinlock_types.h
+++ b/arch/xtensa/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SPINLOCK_TYPES_H
 #define __ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index cb4c2ce8d447..ed66db3bc9bb 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XTENSA_UNISTD_H
 #define _XTENSA_UNISTD_H
 
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 264fb89c444e..bb8d55775a97 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/Xtensa kernel.
 #
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 99341028cc77..18e4ef34ac45 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/xtensa/kernel/irq.c
  *
diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c
index abe4513eb0dd..358d748d9083 100644
--- a/arch/xtensa/mm/mmu.c
+++ b/arch/xtensa/mm/mmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xtensa mmu stuff
  *
diff --git a/arch/xtensa/oprofile/Makefile b/arch/xtensa/oprofile/Makefile
index 69ffbe80f184..f559b9ffbb3f 100644
--- a/arch/xtensa/oprofile/Makefile
+++ b/arch/xtensa/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/block/Kconfig b/block/Kconfig
index 3ab42bbb06d5..28ec55752b68 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Block layer core configuration
 #
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index fd2cefa47d35..a4a8914bf7a4 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if BLOCK
 
 menu "IO Schedulers"
diff --git a/block/Makefile b/block/Makefile
index 9396ebc85d24..6a56303b9925 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel block layer
 #
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index 63898d229cb9..f23311e4b201 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to io context handling
  */
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 62240f8832ca..63fb971d6574 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to generic helpers functions
  */
diff --git a/block/blk-map.c b/block/blk-map.c
index 2547016aa7aa..d5251edcc0dd 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to mapping data to requests
  */
diff --git a/block/blk-merge.c b/block/blk-merge.c
index aa524cad5bea..f5dedd57dff6 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to segment and merge handling
  */
diff --git a/block/blk-mq-debugfs.h b/block/blk-mq-debugfs.h
index a182e6f97565..b9d366e57097 100644
--- a/block/blk-mq-debugfs.h
+++ b/block/blk-mq-debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef INT_BLK_MQ_DEBUGFS_H
 #define INT_BLK_MQ_DEBUGFS_H
 
diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h
index 9267d0b7c197..ba1d1418a96d 100644
--- a/block/blk-mq-sched.h
+++ b/block/blk-mq-sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BLK_MQ_SCHED_H
 #define BLK_MQ_SCHED_H
 
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index 5cb51e53cc03..c190165d92ea 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef INT_BLK_MQ_TAG_H
 #define INT_BLK_MQ_TAG_H
 
diff --git a/block/blk-mq.h b/block/blk-mq.h
index ef15b3414da5..4933af9d61f7 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef INT_BLK_MQ_H
 #define INT_BLK_MQ_H
 
diff --git a/block/blk-softirq.c b/block/blk-softirq.c
index 07125e7941f4..01e2b353a2b9 100644
--- a/block/blk-softirq.c
+++ b/block/blk-softirq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to softirq rq completions
  */
diff --git a/block/blk-stat.h b/block/blk-stat.h
index 2fb20d1a341a..2dd36347252a 100644
--- a/block/blk-stat.h
+++ b/block/blk-stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BLK_STAT_H
 #define BLK_STAT_H
 
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index b8362c0df51d..e54be402899d 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to sysfs handling
  */
diff --git a/block/blk-tag.c b/block/blk-tag.c
index e1a9c15eb1b8..09f19c6c52ce 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to tagged command queuing
  */
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 17816a028dcb..8631763866c6 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Interface for controlling IO bandwidth on a request queue
  *
diff --git a/block/blk-wbt.h b/block/blk-wbt.h
index df6de50c5d59..a232c98fbf4d 100644
--- a/block/blk-wbt.h
+++ b/block/blk-wbt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WB_THROTTLE_H
 #define WB_THROTTLE_H
 
diff --git a/block/blk.h b/block/blk.h
index fcb9775b997d..85be8b232b37 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BLK_INTERNAL_H
 #define BLK_INTERNAL_H
 
diff --git a/block/bounce.c b/block/bounce.c
index 5793c2dc1a15..fceb1a96480b 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* bounce buffer handling for block devices
  *
  * - Split from highmem.c
diff --git a/block/cmdline-parser.c b/block/cmdline-parser.c
index 9dbc67e42a99..f2a14571882b 100644
--- a/block/cmdline-parser.c
+++ b/block/cmdline-parser.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Parse command line, get partition information
  *
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index abaf9d78a206..6ca015f92766 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/blktrace_api.h>
diff --git a/block/partition-generic.c b/block/partition-generic.c
index 88c555db4e5d..91622db9aedf 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Code extracted from drivers/block/genhd.c
  *  Copyright (C) 1991-1998  Linus Torvalds
diff --git a/block/partitions/Kconfig b/block/partitions/Kconfig
index 9b29a996c311..37b9710cc80a 100644
--- a/block/partitions/Kconfig
+++ b/block/partitions/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Partition configuration
 #
diff --git a/block/partitions/Makefile b/block/partitions/Makefile
index 37a95270503c..2f276b677c81 100644
--- a/block/partitions/Makefile
+++ b/block/partitions/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/block/partitions/acorn.h b/block/partitions/acorn.h
index ede828529692..67b06601ca4c 100644
--- a/block/partitions/acorn.h
+++ b/block/partitions/acorn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/partitions/acorn.h
  *
diff --git a/block/partitions/aix.c b/block/partitions/aix.c
index f3ed7b2d89bf..007f95eea0e1 100644
--- a/block/partitions/aix.c
+++ b/block/partitions/aix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/aix.c
  *
diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c
index 2b13533d60a2..560936617d9c 100644
--- a/block/partitions/amiga.c
+++ b/block/partitions/amiga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/amiga.c
  *
diff --git a/block/partitions/atari.c b/block/partitions/atari.c
index ff1fb93712c1..2305840c8522 100644
--- a/block/partitions/atari.c
+++ b/block/partitions/atari.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/atari.c
  *
diff --git a/block/partitions/atari.h b/block/partitions/atari.h
index f2ec43bfeec1..01c2b9457394 100644
--- a/block/partitions/atari.h
+++ b/block/partitions/atari.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/atari.h
  *  Moved by Russell King from:
diff --git a/block/partitions/check.c b/block/partitions/check.c
index 16118d11dbfc..720145c49066 100644
--- a/block/partitions/check.c
+++ b/block/partitions/check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/check.c
  *
diff --git a/block/partitions/check.h b/block/partitions/check.h
index eade17ea910b..6042f769471a 100644
--- a/block/partitions/check.h
+++ b/block/partitions/check.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/pagemap.h>
 #include <linux/blkdev.h>
 #include <linux/genhd.h>
diff --git a/block/partitions/cmdline.c b/block/partitions/cmdline.c
index 5141b563adf1..e333583ab38c 100644
--- a/block/partitions/cmdline.c
+++ b/block/partitions/cmdline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013 HUAWEI
  * Author: Cai Zhiyong <caizhiyong@huawei.com>
diff --git a/block/partitions/cmdline.h b/block/partitions/cmdline.h
index 26e0f8da1414..e64a31636a1f 100644
--- a/block/partitions/cmdline.h
+++ b/block/partitions/cmdline.h
@@ -1,2 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 int cmdline_partition(struct parsed_partitions *state);
diff --git a/block/partitions/ibm.c b/block/partitions/ibm.c
index 14b081af8d61..a5d480f807f3 100644
--- a/block/partitions/ibm.c
+++ b/block/partitions/ibm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *                  Volker Sameske <sameske@de.ibm.com>
diff --git a/block/partitions/karma.c b/block/partitions/karma.c
index 9721fa589bb1..59812d705c3d 100644
--- a/block/partitions/karma.c
+++ b/block/partitions/karma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/karma.c
  *  Rio Karma partition info.
diff --git a/block/partitions/mac.c b/block/partitions/mac.c
index 621317ac4d59..b6095335636c 100644
--- a/block/partitions/mac.c
+++ b/block/partitions/mac.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/mac.c
  *
diff --git a/block/partitions/mac.h b/block/partitions/mac.h
index 3c7d98436380..453ed2964804 100644
--- a/block/partitions/mac.h
+++ b/block/partitions/mac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/mac.h
  */
diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index 5610cd537da7..0af3a3db6fb0 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/msdos.c
  *
diff --git a/block/partitions/osf.c b/block/partitions/osf.c
index 764b86a01965..4b873973d6c0 100644
--- a/block/partitions/osf.c
+++ b/block/partitions/osf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/osf.c
  *
diff --git a/block/partitions/sgi.c b/block/partitions/sgi.c
index ea8a86dceaf4..d7b421c6e530 100644
--- a/block/partitions/sgi.c
+++ b/block/partitions/sgi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/sgi.c
  *
diff --git a/block/partitions/sun.c b/block/partitions/sun.c
index b5b6fcfb3d36..90f36724e796 100644
--- a/block/partitions/sun.c
+++ b/block/partitions/sun.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/sun.c
  *
diff --git a/block/partitions/sysv68.c b/block/partitions/sysv68.c
index 9627ccffc1c4..92e810826b01 100644
--- a/block/partitions/sysv68.c
+++ b/block/partitions/sysv68.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/sysv68.c
  *
diff --git a/block/partitions/ultrix.c b/block/partitions/ultrix.c
index 8dbaf9f77a99..ecd0d7346c3d 100644
--- a/block/partitions/ultrix.c
+++ b/block/partitions/ultrix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/partitions/ultrix.c
  *
diff --git a/certs/Kconfig b/certs/Kconfig
index 6ce51ede9e9b..5f7663df6e8e 100644
--- a/certs/Kconfig
+++ b/certs/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Certificates for signature checking"
 
 config MODULE_SIG_KEY
diff --git a/certs/Makefile b/certs/Makefile
index 847361ce14d1..5d0999b9e21b 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel signature checking certificates.
 #
diff --git a/certs/blacklist_hashes.c b/certs/blacklist_hashes.c
index 5bd449f7db17..344892337be0 100644
--- a/certs/blacklist_hashes.c
+++ b/certs/blacklist_hashes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "blacklist.h"
 
 const char __initdata *const blacklist_hashes[] = {
diff --git a/certs/blacklist_nohashes.c b/certs/blacklist_nohashes.c
index 851de10706a5..73fd99098ad7 100644
--- a/certs/blacklist_nohashes.c
+++ b/certs/blacklist_nohashes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "blacklist.h"
 
 const char __initdata *const blacklist_hashes[] = {
diff --git a/certs/system_certificates.S b/certs/system_certificates.S
index c9ceb71a43fe..3918ff7235ed 100644
--- a/certs/system_certificates.S
+++ b/certs/system_certificates.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/export.h>
 #include <linux/init.h>
 
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 0a121f9ddf8e..ac5fb37e6f4b 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Generic algorithms support
 #
diff --git a/crypto/Makefile b/crypto/Makefile
index d41f0331b085..da190be60ce2 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Cryptographic API
 #
diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig
index 331f6baf2df8..f3702e533ff4 100644
--- a/crypto/asymmetric_keys/Kconfig
+++ b/crypto/asymmetric_keys/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ASYMMETRIC_KEY_TYPE
 	bool "Asymmetric (public-key cryptographic) key type"
 	depends on KEYS
diff --git a/crypto/asymmetric_keys/Makefile b/crypto/asymmetric_keys/Makefile
index 6516855bec18..4719aad5dec0 100644
--- a/crypto/asymmetric_keys/Makefile
+++ b/crypto/asymmetric_keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for asymmetric cryptographic keys
 #
diff --git a/crypto/async_tx/Kconfig b/crypto/async_tx/Kconfig
index f38a58aef3ec..89bafa2efc30 100644
--- a/crypto/async_tx/Kconfig
+++ b/crypto/async_tx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ASYNC_CORE
 	tristate
 
diff --git a/crypto/async_tx/Makefile b/crypto/async_tx/Makefile
index 462e4abbfe69..056e48245373 100644
--- a/crypto/async_tx/Makefile
+++ b/crypto/async_tx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ASYNC_CORE) += async_tx.o
 obj-$(CONFIG_ASYNC_MEMCPY) += async_memcpy.o
 obj-$(CONFIG_ASYNC_XOR) += async_xor.o
diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h
index 03ae5f714028..b80f45da829c 100644
--- a/crypto/ecc_curve_defs.h
+++ b/crypto/ecc_curve_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYTO_ECC_CURVE_DEFS_H
 #define _CRYTO_ECC_CURVE_DEFS_H
 
diff --git a/crypto/ripemd.h b/crypto/ripemd.h
index c57a2d4ce8d9..93edbf52197d 100644
--- a/crypto/ripemd.h
+++ b/crypto/ripemd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for RIPEMD algorithms
  */
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 505c676fa9c7..1d7af3c2ff27 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Device Drivers"
 
 source "drivers/amba/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index d90fdc413648..d242d3514d30 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux kernel device drivers.
 #
diff --git a/drivers/accessibility/Kconfig b/drivers/accessibility/Kconfig
index ef3b65bfdd0a..00f7512c9cf4 100644
--- a/drivers/accessibility/Kconfig
+++ b/drivers/accessibility/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig ACCESSIBILITY
 	bool "Accessibility support"
 	---help---
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 1ce52f84dc23..5b1938f4b626 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # ACPI Configuration
 #
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 90265ab4437a..cd1abc9bc325 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux ACPI interpreter
 #
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 1709551bc4aa..e05232da0588 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ACPICA Core interpreter
 #
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index de14d49a5c90..52ae5438edeb 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config HAVE_ACPI_APEI
 	bool
 
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index e50573de25f1..4dfac2128737 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
 obj-$(CONFIG_ACPI_APEI_GHES)	+= ghes.o
 obj-$(CONFIG_ACPI_APEI_EINJ)	+= einj.o
diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
index cb4126051f62..1d6ef9654725 100644
--- a/drivers/acpi/apei/apei-internal.h
+++ b/drivers/acpi/apei/apei-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * apei-internal.h - ACPI Platform Error Interface internal
  * definitions.
diff --git a/drivers/acpi/battery.h b/drivers/acpi/battery.h
index 6c084976987d..225f493d4c27 100644
--- a/drivers/acpi/battery.h
+++ b/drivers/acpi/battery.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_BATTERY_H
 #define __ACPI_BATTERY_H
 
diff --git a/drivers/acpi/dptf/Kconfig b/drivers/acpi/dptf/Kconfig
index ac0a6ed0cf46..90a2fd979282 100644
--- a/drivers/acpi/dptf/Kconfig
+++ b/drivers/acpi/dptf/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config DPTF_POWER
 	tristate "DPTF Platform Power Participant"
 	depends on X86
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 7fceb3b4691b..5a127f3f2d5c 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * event.c - exporting ACPI events via procfs
  *
diff --git a/drivers/acpi/nfit/Kconfig b/drivers/acpi/nfit/Kconfig
index 929ba4da0b30..f7c57e33499e 100644
--- a/drivers/acpi/nfit/Kconfig
+++ b/drivers/acpi/nfit/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ACPI_NFIT
 	tristate "ACPI NVDIMM Firmware Interface Table (NFIT)"
 	depends on PHYS_ADDR_T_64BIT
diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h
index e8bfa7b865a5..095afc96952e 100644
--- a/drivers/acpi/pmic/intel_pmic.h
+++ b/drivers/acpi/pmic/intel_pmic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INTEL_PMIC_H
 #define __INTEL_PMIC_H
 
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 85ac848ac6ab..652f19e6c541 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/export.h>
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 74f738cb6073..813f1b78c16a 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2005 Intel Corporation
  * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index a6c77e8b37bd..71769fd687b2 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/pci.h>
 #include <linux/acpi.h>
diff --git a/drivers/acpi/sbshc.h b/drivers/acpi/sbshc.h
index a57b0762dd7f..06372a37df10 100644
--- a/drivers/acpi/sbshc.h
+++ b/drivers/acpi/sbshc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 struct acpi_smb_hc;
 enum acpi_smb_protocol {
 	SMBUS_WRITE_QUICK = 2,
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index a82ff74faf7a..41675d24a9bc 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 extern void acpi_enable_wakeup_devices(u8 sleep_state);
 extern void acpi_disable_wakeup_devices(u8 sleep_state);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 78a5a23010ab..0fd57bf33524 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysfs.c - ACPI sysfs interface to userspace.
  */
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index 1638401ab282..9614126bf56e 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * wakeup.c - support wakeup devices
  * Copyright (C) 2004 Li Shaohua <shaohua.li@intel.com>
diff --git a/drivers/amba/Kconfig b/drivers/amba/Kconfig
index 294ba6f36396..fb6c7e0b4cce 100644
--- a/drivers/amba/Kconfig
+++ b/drivers/amba/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ARM_AMBA
 	bool
 
diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
index 9801d852bd56..7dce3795b887 100644
--- a/drivers/android/Kconfig
+++ b/drivers/android/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Android"
 
 config ANDROID
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 488c93724220..cb5339166563 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # SATA/PATA driver configuration
 #
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index ff9cd2e37458..8daec3e657f8 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_ATA)		+= libata.o
 
diff --git a/drivers/ata/libata-transport.h b/drivers/ata/libata-transport.h
index 2820cf864f11..08a57fb9dc61 100644
--- a/drivers/ata/libata-transport.h
+++ b/drivers/ata/libata-transport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBATA_TRANSPORT_H
 #define _LIBATA_TRANSPORT_H
 
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 23a62e4015d0..de4ddd0e8550 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/libata.h>
 #include <linux/cdrom.h>
 #include <linux/pm_runtime.h>
diff --git a/drivers/ata/sata_gemini.h b/drivers/ata/sata_gemini.h
index ca1837a394c8..6f6e691d6007 100644
--- a/drivers/ata/sata_gemini.h
+++ b/drivers/ata/sata_gemini.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Header for the Gemini SATA bridge */
 #ifndef SATA_GEMINI_H
 #define SATA_GEMINI_H
diff --git a/drivers/ata/sis.h b/drivers/ata/sis.h
index f7f3eebe666c..0be49691fb24 100644
--- a/drivers/ata/sis.h
+++ b/drivers/ata/sis.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 struct ata_port_info;
 
diff --git a/drivers/atm/Kconfig b/drivers/atm/Kconfig
index 31c60101a69a..2e2efa577437 100644
--- a/drivers/atm/Kconfig
+++ b/drivers/atm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # ATM device configuration
 #
diff --git a/drivers/atm/Makefile b/drivers/atm/Makefile
index c6c9ee9f5da2..aa191616a72e 100644
--- a/drivers/atm/Makefile
+++ b/drivers/atm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux network (ATM) device drivers.
 #
diff --git a/drivers/atm/eni.h b/drivers/atm/eni.h
index 565e53a5cb78..de1ed802cbf8 100644
--- a/drivers/atm/eni.h
+++ b/drivers/atm/eni.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/eni.h - Efficient Networks ENI155P device driver declarations */
  
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h
index ba34a02b717d..c8a02c8fba15 100644
--- a/drivers/atm/fore200e.h
+++ b/drivers/atm/fore200e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FORE200E_H
 #define _FORE200E_H
 
diff --git a/drivers/atm/idt77105.h b/drivers/atm/idt77105.h
index 3fd2bc899761..8dfea9e361de 100644
--- a/drivers/atm/idt77105.h
+++ b/drivers/atm/idt77105.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */
  
 /* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.h */
diff --git a/drivers/atm/idt77252_tables.h b/drivers/atm/idt77252_tables.h
index b6c8ee512fb4..12b81e046a7b 100644
--- a/drivers/atm/idt77252_tables.h
+++ b/drivers/atm/idt77252_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Do not edit, automatically generated by `./genrtbl'.
  *
  * Cell Line Rate: 353207.55 (155520000 bps)
diff --git a/drivers/atm/midway.h b/drivers/atm/midway.h
index d8bec0f2a71c..d47307adc0c9 100644
--- a/drivers/atm/midway.h
+++ b/drivers/atm/midway.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/midway.h - Efficient Networks Midway (SAR) description */
  
 /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/drivers/atm/nicstar.h b/drivers/atm/nicstar.h
index 9bc27ea5088e..1b7f1dfc1735 100644
--- a/drivers/atm/nicstar.h
+++ b/drivers/atm/nicstar.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * nicstar.h
  *
diff --git a/drivers/atm/nicstarmac.c b/drivers/atm/nicstarmac.c
index f594526f8c6d..e0dda9062e6b 100644
--- a/drivers/atm/nicstarmac.c
+++ b/drivers/atm/nicstarmac.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * this file included by nicstar.c
  */
diff --git a/drivers/atm/solos-attrlist.c b/drivers/atm/solos-attrlist.c
index 9a676ee30824..1830d1b8619f 100644
--- a/drivers/atm/solos-attrlist.c
+++ b/drivers/atm/solos-attrlist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 SOLOS_ATTR_RO(DriverVersion)
 SOLOS_ATTR_RO(APIVersion)
 SOLOS_ATTR_RO(FirmwareVersion)
diff --git a/drivers/atm/suni.h b/drivers/atm/suni.h
index 7e3e656b3993..d28a50d47d8b 100644
--- a/drivers/atm/suni.h
+++ b/drivers/atm/suni.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * drivers/atm/suni.h - S/UNI PHY driver
  */
diff --git a/drivers/atm/tonga.h b/drivers/atm/tonga.h
index 672da96243ca..771b3f95246c 100644
--- a/drivers/atm/tonga.h
+++ b/drivers/atm/tonga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/tonga.h - Efficient Networks Tonga (PCI bridge) declarations */
  
 /* Written 1995 by Werner Almesberger, EPFL LRC */
diff --git a/drivers/atm/uPD98401.h b/drivers/atm/uPD98401.h
index 0ab36503a4b7..f766a5ef0c5d 100644
--- a/drivers/atm/uPD98401.h
+++ b/drivers/atm/uPD98401.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/uPD98401.h - NEC uPD98401 (SAR) declarations */
  
 /* Written 1995 by Werner Almesberger, EPFL LRC */
diff --git a/drivers/atm/uPD98402.h b/drivers/atm/uPD98402.h
index c947214db7e3..437cfaa20c96 100644
--- a/drivers/atm/uPD98402.h
+++ b/drivers/atm/uPD98402.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/uPD98402.h - NEC uPD98402 (PHY) declarations */
  
 /* Written 1995 by Werner Almesberger, EPFL LRC */
diff --git a/drivers/atm/zatm.h b/drivers/atm/zatm.h
index ae9165ce15a0..8204369fe825 100644
--- a/drivers/atm/zatm.h
+++ b/drivers/atm/zatm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/zatm.h - ZeitNet ZN122x device driver declarations */
 
 /* Written 1995-1998 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/drivers/atm/zeprom.h b/drivers/atm/zeprom.h
index 019bb82490e9..88e01f808a86 100644
--- a/drivers/atm/zeprom.h
+++ b/drivers/atm/zeprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */
 
 /* Written 1995,1996 by Werner Almesberger, EPFL LRC */
diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
index 9ae6681c90ad..d7d21118d3e0 100644
--- a/drivers/auxdisplay/Kconfig
+++ b/drivers/auxdisplay/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # For a description of the syntax of this configuration file,
 # see Documentation/kbuild/kconfig-language.txt.
diff --git a/drivers/auxdisplay/Makefile b/drivers/auxdisplay/Makefile
index 2b8af3dc5e42..7ac6776ca3f6 100644
--- a/drivers/auxdisplay/Makefile
+++ b/drivers/auxdisplay/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel auxiliary displays device drivers.
 #
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 1a5f6a157a57..2f6614c9a229 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Generic Driver Options"
 
 config UEVENT_HELPER
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index 397e5c344e6a..e32a52490051 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux device tree
 
 obj-y			:= component.o core.o bus.o dd.o syscore.o \
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 539432a14b5c..d800de650fa5 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/notifier.h>
 
 /**
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index d2fb9c8ed205..50025d7959cb 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * devtmpfs - kernel-maintained tmpfs-based /dev
  *
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index 744f64f43454..1e6396bb807b 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers/base/dma-coherent.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Coherent per-device memory handling.
  * Borrowed from i386
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 4e3b61cda520..1d60b58a8c19 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Memory subsystem support
  *
diff --git a/drivers/base/node.c b/drivers/base/node.c
index aae2402f3791..ee090ab9171c 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Basic Node interface support
  */
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index 5998c53280f5..29cd71d8b360 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PM)	+= sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o
 obj-$(CONFIG_PM_SLEEP)	+= main.o wakeup.o
 obj-$(CONFIG_PM_TRACE_RTC)	+= trace.o
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index a46e97e515c5..7beee75399d4 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/pm_qos.h>
 
 static inline void device_pm_init_common(struct device *dev)
diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
index 073c0b77e5b3..0368fd7b3a41 100644
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Generic register map support.  There are no user servicable options here,
 # this is an API intended to be used by other kernel subsystems.  These
 # subsystems should select the appropriate symbols.
diff --git a/drivers/base/regmap/Makefile b/drivers/base/regmap/Makefile
index 0cf4abc8fbf1..0d298c446108 100644
--- a/drivers/base/regmap/Makefile
+++ b/drivers/base/regmap/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # For include/trace/define_trace.h to include trace.h
 CFLAGS_regmap.o := -I$(src)
 
diff --git a/drivers/base/regmap/trace.h b/drivers/base/regmap/trace.h
index 64586a1c5a42..d4066fa079ab 100644
--- a/drivers/base/regmap/trace.h
+++ b/drivers/base/regmap/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM regmap
 
diff --git a/drivers/base/test/Kconfig b/drivers/base/test/Kconfig
index 9aa0d45a60db..86e85daa80bf 100644
--- a/drivers/base/test/Kconfig
+++ b/drivers/base/test/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config TEST_ASYNC_DRIVER_PROBE
 	tristate "Build kernel module to test asynchronous driver probing"
 	depends on m
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index 54f81c554815..a2df1ad03463 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config BCMA_POSSIBLE
 	bool
 	depends on HAS_IOMEM && HAS_DMA
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
index 087948a1d20d..f8c37de35da2 100644
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 bcma-y					+= main.o scan.o core.o sprom.o
 bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
 bcma-y					+= driver_chipcommon_b.o
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index 168fa175d65a..a4aac370f21f 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_PRIVATE_H_
 #define LINUX_BCMA_PRIVATE_H_
 
diff --git a/drivers/bcma/scan.h b/drivers/bcma/scan.h
index 30eb475e4d19..e53079a3daf7 100644
--- a/drivers/bcma/scan.h
+++ b/drivers/bcma/scan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCMA_SCAN_H_
 #define BCMA_SCAN_H_
 
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 2dfe99b328f8..7b2df7a54d87 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Block device driver configuration
 #
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 1f456d86a190..dc061158b403 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel block device drivers.
 #
diff --git a/drivers/block/drbd/Kconfig b/drivers/block/drbd/Kconfig
index 7845bd6ee414..87aab6910d2d 100644
--- a/drivers/block/drbd/Kconfig
+++ b/drivers/block/drbd/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # DRBD device driver configuration
 #
diff --git a/drivers/block/drbd/Makefile b/drivers/block/drbd/Makefile
index 4464e353c1e8..8bd534697d1b 100644
--- a/drivers/block/drbd/Makefile
+++ b/drivers/block/drbd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 drbd-y := drbd_bitmap.o drbd_proc.o
 drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o
 drbd-y += drbd_main.o drbd_strings.o drbd_nl.o
diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c
index 494837e59f23..ab21976a87b2 100644
--- a/drivers/block/drbd/drbd_debugfs.c
+++ b/drivers/block/drbd/drbd_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) "drbd debugfs: " fmt
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/drivers/block/drbd/drbd_debugfs.h b/drivers/block/drbd/drbd_debugfs.h
index 8bee21340dce..4ecfbb3358d7 100644
--- a/drivers/block/drbd/drbd_debugfs.h
+++ b/drivers/block/drbd/drbd_debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/debugfs.h>
diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c
index 51b25ad85251..c58986556161 100644
--- a/drivers/block/drbd/drbd_interval.c
+++ b/drivers/block/drbd/drbd_interval.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/bug.h>
 #include <linux/rbtree_augmented.h>
 #include "drbd_interval.h"
diff --git a/drivers/block/drbd/drbd_interval.h b/drivers/block/drbd/drbd_interval.h
index 23c5a94428d2..b8c2dee5edc8 100644
--- a/drivers/block/drbd/drbd_interval.h
+++ b/drivers/block/drbd/drbd_interval.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRBD_INTERVAL_H
 #define __DRBD_INTERVAL_H
 
diff --git a/drivers/block/drbd/drbd_nla.c b/drivers/block/drbd/drbd_nla.c
index 6bf806df60dc..8e261cb5198b 100644
--- a/drivers/block/drbd/drbd_nla.c
+++ b/drivers/block/drbd/drbd_nla.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <net/netlink.h>
 #include <linux/drbd_genl_api.h>
diff --git a/drivers/block/drbd/drbd_nla.h b/drivers/block/drbd/drbd_nla.h
index 679c2d5b4535..f5eaffb6474e 100644
--- a/drivers/block/drbd/drbd_nla.h
+++ b/drivers/block/drbd/drbd_nla.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRBD_NLA_H
 #define __DRBD_NLA_H
 
diff --git a/drivers/block/drbd/drbd_protocol.h b/drivers/block/drbd/drbd_protocol.h
index 4d296800f706..c3081f93051c 100644
--- a/drivers/block/drbd/drbd_protocol.h
+++ b/drivers/block/drbd/drbd_protocol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRBD_PROTOCOL_H
 #define __DRBD_PROTOCOL_H
 
diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h
index 0276c98fbbdd..ea58301d0895 100644
--- a/drivers/block/drbd/drbd_state.h
+++ b/drivers/block/drbd/drbd_state.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DRBD_STATE_H
 #define DRBD_STATE_H
 
diff --git a/drivers/block/drbd/drbd_state_change.h b/drivers/block/drbd/drbd_state_change.h
index 9e503a1a0bfb..ba80f612d6ab 100644
--- a/drivers/block/drbd/drbd_state_change.h
+++ b/drivers/block/drbd/drbd_state_change.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DRBD_STATE_CHANGE_H
 #define DRBD_STATE_CHANGE_H
 
diff --git a/drivers/block/drbd/drbd_strings.h b/drivers/block/drbd/drbd_strings.h
index f9923cc88afb..87b94a27358a 100644
--- a/drivers/block/drbd/drbd_strings.h
+++ b/drivers/block/drbd/drbd_strings.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRBD_STRINGS_H
 #define __DRBD_STRINGS_H
 
diff --git a/drivers/block/mtip32xx/Kconfig b/drivers/block/mtip32xx/Kconfig
index 0ba837fc62a8..bf221358567e 100644
--- a/drivers/block/mtip32xx/Kconfig
+++ b/drivers/block/mtip32xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # mtip32xx device driver configuration
 #
diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig
index 3a15247942e4..b226835a909a 100644
--- a/drivers/block/paride/Kconfig
+++ b/drivers/block/paride/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # PARIDE configuration
 #
diff --git a/drivers/block/paride/Makefile b/drivers/block/paride/Makefile
index a539e004bb7a..cf1742a8475e 100644
--- a/drivers/block/paride/Makefile
+++ b/drivers/block/paride/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Parallel port IDE device drivers.
 #
diff --git a/drivers/block/paride/mkd b/drivers/block/paride/mkd
index 971f099b40aa..6d0d802479ea 100644
--- a/drivers/block/paride/mkd
+++ b/drivers/block/paride/mkd
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # mkd -- a script to create the device special files for the PARIDE subsystem
 #
diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig
index 7cd4a8ec3c8f..ac3a31d433b2 100644
--- a/drivers/block/zram/Kconfig
+++ b/drivers/block/zram/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ZRAM
 	tristate "Compressed RAM block device support"
 	depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index fae5a74dc737..98a60db8e5d1 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 menu "Bluetooth device drivers"
 	depends on BT
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index e693ca6eeed9..4e4e44d09796 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Bluetooth HCI device drivers.
 #
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index ae3d8f3444b9..3e66f4cc1a59 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Bus Devices
 #
diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile
index cc6364bec054..3ae96cffabd5 100644
--- a/drivers/bus/Makefile
+++ b/drivers/bus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the bus drivers.
 #
diff --git a/drivers/cdrom/Makefile b/drivers/cdrom/Makefile
index 8ffde4f8ab9a..a95566ff47d3 100644
--- a/drivers/cdrom/Makefile
+++ b/drivers/cdrom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the kernel cdrom device drivers.
 #
 # 30 Jan 1998, Michael Elizabeth Chastain, <mailto:mec@shout.net>
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 623714344600..c28dca0c613d 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Character device configuration
 #
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 53e33720818c..7dc3abe66464 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel character device drivers.
 #
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index c528f96ee204..6231714ef3c8 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menuconfig AGP
 	tristate "/dev/agpgart (AGP Support)"
 	depends on ALPHA || IA64 || PARISC || PPC || X86
diff --git a/drivers/char/agp/Makefile b/drivers/char/agp/Makefile
index 604489bcdbf9..4a786ffd9dee 100644
--- a/drivers/char/agp/Makefile
+++ b/drivers/char/agp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 agpgart-y := backend.o frontend.o generic.o isoch.o
 
 agpgart-$(CONFIG_COMPAT)	+= compat_ioctl.o
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index fda073dcd967..164bf651953f 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common Intel AGPGART and GTT definitions.
  */
diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index c73385cc4b8a..fc8e1bc3347d 100644
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Setup routines for AGP 3.5 compliant bridges.
  */
diff --git a/drivers/char/applicom.h b/drivers/char/applicom.h
index 35530b3d9bd6..282e08f159d5 100644
--- a/drivers/char/applicom.h
+++ b/drivers/char/applicom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: applicom.h,v 1.2 1999/08/28 15:09:49 dwmw2 Exp $ */
 
 
diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index c614a56e68cc..8e16ad5d6d89 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*!***************************************************************************
 *!
 *! FILE NAME  : ds1302.c
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index 39a67defac67..f3728d008fff 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for HW Random Number Generator (RNG) device drivers.
 #
diff --git a/drivers/char/hw_random/n2-asm.S b/drivers/char/hw_random/n2-asm.S
index 9b6eb5cd59f6..c205df43d5ae 100644
--- a/drivers/char/hw_random/n2-asm.S
+++ b/drivers/char/hw_random/n2-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* n2-asm.S: Niagara2 RNG hypervisor call assembler.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/drivers/char/hw_random/n2rng.h b/drivers/char/hw_random/n2rng.h
index 6bad6cc634e8..9a870f5dc371 100644
--- a/drivers/char/hw_random/n2rng.h
+++ b/drivers/char/hw_random/n2rng.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* n2rng.h: Niagara2 RNG defines.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
diff --git a/drivers/char/ipmi/Makefile b/drivers/char/ipmi/Makefile
index eefb0b301e83..43b7d86cc5f2 100644
--- a/drivers/char/ipmi/Makefile
+++ b/drivers/char/ipmi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ipmi drivers.
 #
diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
index 2a84401dea05..2059f79d669a 100644
--- a/drivers/char/ipmi/ipmi_dmi.c
+++ b/drivers/char/ipmi/ipmi_dmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * A hack to create a platform device from a DMI entry.  This will
  * allow autoloading of the IPMI drive based on SMBIOS entries.
diff --git a/drivers/char/ipmi/ipmi_dmi.h b/drivers/char/ipmi/ipmi_dmi.h
index 0a1afe5ceb1e..ea990a8e3b09 100644
--- a/drivers/char/ipmi/ipmi_dmi.h
+++ b/drivers/char/ipmi/ipmi_dmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * DMI defines for use by IPMI
  */
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 593a8818aca9..970e1242a282 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/drivers/char/mem.c
  *
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index c9cd1ea6844a..1bb9e7cc82e3 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/drivers/char/misc.c
  *
diff --git a/drivers/char/nwbutton.h b/drivers/char/nwbutton.h
index c3ebc16ce8a7..abee3ca74801 100644
--- a/drivers/char/nwbutton.h
+++ b/drivers/char/nwbutton.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NWBUTTON_H
 #define __NWBUTTON_H
 
diff --git a/drivers/char/pcmcia/cm4040_cs.h b/drivers/char/pcmcia/cm4040_cs.h
index 9a8b805c5095..e2ffff995d51 100644
--- a/drivers/char/pcmcia/cm4040_cs.h
+++ b/drivers/char/pcmcia/cm4040_cs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	_CM4040_H_
 #define	_CM4040_H_
 
diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile
index 23681f01f95a..34b4bcf46f43 100644
--- a/drivers/char/tpm/Makefile
+++ b/drivers/char/tpm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel tpm device drivers.
 #
diff --git a/drivers/char/tpm/st33zp24/Makefile b/drivers/char/tpm/st33zp24/Makefile
index 74a722e5e068..649e41107de9 100644
--- a/drivers/char/tpm/st33zp24/Makefile
+++ b/drivers/char/tpm/st33zp24/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ST33ZP24 TPM 1.2 driver
 #
diff --git a/drivers/char/tpm/tpm-dev.h b/drivers/char/tpm/tpm-dev.h
index ff15cf719bad..ba3b6f9dacf7 100644
--- a/drivers/char/tpm/tpm-dev.h
+++ b/drivers/char/tpm/tpm-dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TPM_DEV_H
 #define _TPM_DEV_H
 
diff --git a/drivers/char/tpm/tpm_eventlog.h b/drivers/char/tpm/tpm_eventlog.h
index b4b549559203..204466cc4d05 100644
--- a/drivers/char/tpm/tpm_eventlog.h
+++ b/drivers/char/tpm/tpm_eventlog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __TPM_EVENTLOG_H__
 #define __TPM_EVENTLOG_H__
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index c99f363826f0..f7f761b02bed 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # common clock types
 obj-$(CONFIG_HAVE_CLK)		+= clk-devres.o clk-bulk.o
 obj-$(CONFIG_CLKDEV_LOOKUP)	+= clkdev.o
diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index c68947b65a4c..082596f37c1d 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for at91 specific clk
 #
diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile
index a0c14fa4aa1e..e3f0cb0d90f3 100644
--- a/drivers/clk/bcm/Makefile
+++ b/drivers/clk/bcm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CLK_BCM_63XX)	+= clk-bcm63xx.o
 obj-$(CONFIG_CLK_BCM_KONA)	+= clk-kona.o
 obj-$(CONFIG_CLK_BCM_KONA)	+= clk-kona-setup.o
diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c
index f940e5af845b..5e66e6c0205e 100644
--- a/drivers/clk/clk-gemini.c
+++ b/drivers/clk/clk-gemini.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Cortina Gemini SoC Clock Controller driver
  * Copyright (c) 2017 Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/clk/clk-tango4.c b/drivers/clk/clk-tango4.c
index eef75e305a59..34b22b7930fb 100644
--- a/drivers/clk/clk-tango4.c
+++ b/drivers/clk/clk-tango4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/clk-provider.h>
 #include <linux/of_address.h>
diff --git a/drivers/clk/h8300/clk-div.c b/drivers/clk/h8300/clk-div.c
index 715b882205a8..4ae624425e9d 100644
--- a/drivers/clk/h8300/clk-div.c
+++ b/drivers/clk/h8300/clk-div.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * H8/300 divide clock driver
  *
diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c
index a26312460621..fc24b0b55a3d 100644
--- a/drivers/clk/h8300/clk-h8s2678.c
+++ b/drivers/clk/h8300/clk-h8s2678.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * H8S2678 clock driver
  *
diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile
index 1e4c3ddbad84..0e55612112af 100644
--- a/drivers/clk/hisilicon/Makefile
+++ b/drivers/clk/hisilicon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Hisilicon Clock specific Makefile
 #
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 1ada68abb158..f91f2b2e11cd 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-y += \
 	clk.o \
diff --git a/drivers/clk/imx/clk-imx27.c b/drivers/clk/imx/clk-imx27.c
index cf5cf75a4848..0a0ab95d16fe 100644
--- a/drivers/clk/imx/clk-imx27.c
+++ b/drivers/clk/imx/clk-imx27.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
diff --git a/drivers/clk/imx/clk-pllv1.c b/drivers/clk/imx/clk-pllv1.c
index 82fe3662b5f6..e47a1c2fe8bd 100644
--- a/drivers/clk/imx/clk-pllv1.c
+++ b/drivers/clk/imx/clk-pllv1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clk-provider.h>
 #include <linux/io.h>
 #include <linux/slab.h>
diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c
index 4aeda56ce372..9842d657e974 100644
--- a/drivers/clk/imx/clk-pllv2.c
+++ b/drivers/clk/imx/clk-pllv2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/io.h>
diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index a634b1185be3..9074e6974b6d 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/of.h>
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index d54f0720afba..d69c4bbf3597 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_IMX_CLK_H
 #define __MACH_IMX_CLK_H
 
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 2a755b5fb51b..ba2a070765f0 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.o clk-cpumux.o
 obj-$(CONFIG_RESET_CONTROLLER) += reset.o
 obj-$(CONFIG_COMMON_CLK_MT6797) += clk-mt6797.o
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index 9d4bc41e4239..7bc7ac69391e 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for mmp specific clk
 #
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
index 089927e4cda2..ad8d483a35cd 100644
--- a/drivers/clk/mmp/clk.c
+++ b/drivers/clk/mmp/clk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/io.h>
 #include <linux/clk-provider.h>
 #include <linux/slab.h>
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index adf9b711b037..70bb73257647 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MMP_CLK_H
 #define __MACH_MMP_CLK_H
 
diff --git a/drivers/clk/mmp/reset.c b/drivers/clk/mmp/reset.c
index b4e4d6aa2631..ded7e391c737 100644
--- a/drivers/clk/mmp/reset.c
+++ b/drivers/clk/mmp/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/of.h>
diff --git a/drivers/clk/mmp/reset.h b/drivers/clk/mmp/reset.h
index be8b1a7000f7..3d0470ca3fd9 100644
--- a/drivers/clk/mmp/reset.h
+++ b/drivers/clk/mmp/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MMP_CLK_RESET_H
 #define __MACH_MMP_CLK_RESET_H
 
diff --git a/drivers/clk/mvebu/Makefile b/drivers/clk/mvebu/Makefile
index d71c7fd5da16..93ac3685271f 100644
--- a/drivers/clk/mvebu/Makefile
+++ b/drivers/clk/mvebu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MVEBU_CLK_COMMON)	+= common.o
 obj-$(CONFIG_MVEBU_CLK_CPU) 	+= clk-cpu.o
 obj-$(CONFIG_MVEBU_CLK_COREDIV)	+= clk-corediv.o
diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c
index 4091f3cfee19..7e35c891e168 100644
--- a/drivers/clk/mvebu/dove-divider.c
+++ b/drivers/clk/mvebu/dove-divider.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Marvell Dove PMU Core PLL divider driver
  *
diff --git a/drivers/clk/mvebu/dove-divider.h b/drivers/clk/mvebu/dove-divider.h
index 4f2f718deb8e..38ea373088ca 100644
--- a/drivers/clk/mvebu/dove-divider.h
+++ b/drivers/clk/mvebu/dove-divider.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DOVE_DIVIDER_H
 #define DOVE_DIVIDER_H
 
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 3f3aff229fb7..26410d31446b 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_COMMON_CLK_QCOM) += clk-qcom.o
 
 clk-qcom-y += common.o
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index 9bda3ec5b199..cbbb081e2145 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # SoC
 obj-$(CONFIG_CLK_EMEV2)			+= clk-emev2.o
 obj-$(CONFIG_CLK_RZA1)			+= clk-rz.o
diff --git a/drivers/clk/renesas/clk-div6.h b/drivers/clk/renesas/clk-div6.h
index 567b31d2bfa5..065dfb49adf6 100644
--- a/drivers/clk/renesas/clk-div6.h
+++ b/drivers/clk/renesas/clk-div6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RENESAS_CLK_DIV6_H__
 #define __RENESAS_CLK_DIV6_H__
 
diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
index 6f19826cc447..59b8d320960a 100644
--- a/drivers/clk/rockchip/Makefile
+++ b/drivers/clk/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Rockchip Clock specific Makefile
 #
diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
index 7afc21dc374e..23835001e8bd 100644
--- a/drivers/clk/samsung/Makefile
+++ b/drivers/clk/samsung/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Samsung Clock specific Makefile
 #
diff --git a/drivers/clk/sirf/atlas6.h b/drivers/clk/sirf/atlas6.h
index 376217f3bf8f..cb871e30a175 100644
--- a/drivers/clk/sirf/atlas6.h
+++ b/drivers/clk/sirf/atlas6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define SIRFSOC_CLKC_CLK_EN0    0x0000
 #define SIRFSOC_CLKC_CLK_EN1    0x0004
 #define SIRFSOC_CLKC_REF_CFG    0x0020
diff --git a/drivers/clk/sirf/prima2.h b/drivers/clk/sirf/prima2.h
index 01bc3854a058..2fb56941795d 100644
--- a/drivers/clk/sirf/prima2.h
+++ b/drivers/clk/sirf/prima2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define SIRFSOC_CLKC_CLK_EN0    0x0000
 #define SIRFSOC_CLKC_CLK_EN1    0x0004
 #define SIRFSOC_CLKC_REF_CFG    0x0014
diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile
index d8bb239753a4..9146c20fe21f 100644
--- a/drivers/clk/socfpga/Makefile
+++ b/drivers/clk/socfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += clk.o
 obj-y += clk-gate.o
 obj-y += clk-pll.o
diff --git a/drivers/clk/spear/Makefile b/drivers/clk/spear/Makefile
index cdb425d3b8ee..d7e75d2d42df 100644
--- a/drivers/clk/spear/Makefile
+++ b/drivers/clk/spear/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # SPEAr Clock specific Makefile
 #
diff --git a/drivers/clk/st/clkgen.h b/drivers/clk/st/clkgen.h
index f7ec2d9139d6..44302fc7ca96 100644
--- a/drivers/clk/st/clkgen.h
+++ b/drivers/clk/st/clkgen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /************************************************************************
 File  : Clock H/w specific Information
 
diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
index 85a0633c1eac..d1c2fa93ddd9 100644
--- a/drivers/clk/sunxi-ng/Makefile
+++ b/drivers/clk/sunxi-ng/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Common objects
 lib-$(CONFIG_SUNXI_CCU)		+= ccu_common.o
 lib-$(CONFIG_SUNXI_CCU)		+= ccu_mmc_timing.o
diff --git a/drivers/clk/sunxi-ng/ccu_mult.h b/drivers/clk/sunxi-ng/ccu_mult.h
index f9c37b987d72..6b30b0c10807 100644
--- a/drivers/clk/sunxi-ng/ccu_mult.h
+++ b/drivers/clk/sunxi-ng/ccu_mult.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CCU_MULT_H_
 #define _CCU_MULT_H_
 
diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h
index f20c0bd62a47..f165395effb5 100644
--- a/drivers/clk/sunxi-ng/ccu_mux.h
+++ b/drivers/clk/sunxi-ng/ccu_mux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CCU_MUX_H_
 #define _CCU_MUX_H_
 
diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile
index 39d2044a1f49..be88368b48a1 100644
--- a/drivers/clk/sunxi/Makefile
+++ b/drivers/clk/sunxi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for sunxi specific clk
 #
diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h
index 1e63c5b2d5f4..824f746b2567 100644
--- a/drivers/clk/sunxi/clk-factors.h
+++ b/drivers/clk/sunxi/clk-factors.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SUNXI_CLK_FACTORS_H
 #define __MACH_SUNXI_CLK_FACTORS_H
 
diff --git a/drivers/clk/sunxi/clk-sun9i-cpus.c b/drivers/clk/sunxi/clk-sun9i-cpus.c
index 7626d2194b96..4d5e14142e15 100644
--- a/drivers/clk/sunxi/clk-sun9i-cpus.c
+++ b/drivers/clk/sunxi/clk-sun9i-cpus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015 Chen-Yu Tsai
  *
diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
index 4be8af28ee61..b71692391bd6 100644
--- a/drivers/clk/tegra/Makefile
+++ b/drivers/clk/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y					+= clk.o
 obj-y					+= clk-audio-sync.o
 obj-y					+= clk-dfll.o
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index 689f344377a7..11ee5f9ce99e 100644
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides IDs for clocks common between several Tegra SoCs
  */
diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile
index edb9f471e525..a2293ee09440 100644
--- a/drivers/clk/ti/Makefile
+++ b/drivers/clk/ti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq ($(CONFIG_ARCH_OMAP2PLUS), y)
 
 obj-y					+= clk.o autoidle.o clockdomain.o
diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile
index 665d1d65a90e..e5715abef180 100644
--- a/drivers/clk/uniphier/Makefile
+++ b/drivers/clk/uniphier/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y	+= clk-uniphier-core.o
 
 obj-y	+= clk-uniphier-cpugear.o
diff --git a/drivers/clk/ux500/Makefile b/drivers/clk/ux500/Makefile
index f3baef29859c..fedc083dc8be 100644
--- a/drivers/clk/ux500/Makefile
+++ b/drivers/clk/ux500/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ux500 clocks
 #
diff --git a/drivers/clk/versatile/clk-icst.h b/drivers/clk/versatile/clk-icst.h
index 5add02ebec5d..e36ca1a20e90 100644
--- a/drivers/clk/versatile/clk-icst.h
+++ b/drivers/clk/versatile/clk-icst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * struct clk_icst_desc - descriptor for the ICST VCO
  * @params: ICST parameters
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index dbc1ad14515e..72711f1491e3 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_TIMER_OF)		+= timer-of.o
 obj-$(CONFIG_TIMER_PROBE)	+= timer-probe.o
 obj-$(CONFIG_ATMEL_PIT)		+= timer-atmel-pit.o
diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c
index dfbd4f8051cb..86ca91451b2e 100644
--- a/drivers/clocksource/h8300_timer16.c
+++ b/drivers/clocksource/h8300_timer16.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  H8/300 16bit Timer driver
  *
diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c
index f6ffb0cef091..1d740a8c42ab 100644
--- a/drivers/clocksource/h8300_timer8.c
+++ b/drivers/clocksource/h8300_timer8.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/h8300/kernel/cpu/timer/timer8.c
  *
diff --git a/drivers/clocksource/h8300_tpu.c b/drivers/clocksource/h8300_tpu.c
index 45a8d17dac1e..17d4ab0f6ad1 100644
--- a/drivers/clocksource/h8300_tpu.c
+++ b/drivers/clocksource/h8300_tpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  H8S TPU Driver
  *
diff --git a/drivers/clocksource/i8253.c b/drivers/clocksource/i8253.c
index 64f6490740d7..9c38895542f4 100644
--- a/drivers/clocksource/i8253.c
+++ b/drivers/clocksource/i8253.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * i8253 PIT clocksource
  */
diff --git a/drivers/clocksource/tango_xtal.c b/drivers/clocksource/tango_xtal.c
index 6a8d9838ce33..3f94e454ef99 100644
--- a/drivers/clocksource/tango_xtal.c
+++ b/drivers/clocksource/tango_xtal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clocksource.h>
 #include <linux/sched_clock.h>
 #include <linux/of_address.h>
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 59e8aee0ec16..9de47d4d2d9e 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
diff --git a/drivers/clocksource/timer-fttmr010.c b/drivers/clocksource/timer-fttmr010.c
index 66dd909960c6..cdf23b628688 100644
--- a/drivers/clocksource/timer-fttmr010.c
+++ b/drivers/clocksource/timer-fttmr010.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Faraday Technology FTTMR010 timer driver
  * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h
index e0d727255f72..c6d995ab93d5 100644
--- a/drivers/clocksource/timer-of.h
+++ b/drivers/clocksource/timer-of.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TIMER_OF_H__
 #define __TIMER_OF_H__
 
diff --git a/drivers/clocksource/timer-sp.h b/drivers/clocksource/timer-sp.h
index 050d88561e9c..b2037eb94a41 100644
--- a/drivers/clocksource/timer-sp.h
+++ b/drivers/clocksource/timer-sp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ARM timer implementation, found in Integrator, Versatile and Realview
  * platforms.  Not all platforms support all registers and bits in these
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index c7af9b2a255e..812f9e0d01a3 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # CPUfreq core
 obj-$(CONFIG_CPU_FREQ)			+= cpufreq.o freq_table.o
 
diff --git a/drivers/cpufreq/cris-artpec3-cpufreq.c b/drivers/cpufreq/cris-artpec3-cpufreq.c
index 601b88c490cf..455b4fb78cba 100644
--- a/drivers/cpufreq/cris-artpec3-cpufreq.c
+++ b/drivers/cpufreq/cris-artpec3-cpufreq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/cpufreq.h>
diff --git a/drivers/cpufreq/cris-etraxfs-cpufreq.c b/drivers/cpufreq/cris-etraxfs-cpufreq.c
index 22b2cdde74d9..4c4b5dd685e3 100644
--- a/drivers/cpufreq/cris-etraxfs-cpufreq.c
+++ b/drivers/cpufreq/cris-etraxfs-cpufreq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/cpufreq.h>
diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.h b/drivers/cpufreq/ppc_cbe_cpufreq.h
index 3eace725ccd6..9d973519d669 100644
--- a/drivers/cpufreq/ppc_cbe_cpufreq.h
+++ b/drivers/cpufreq/ppc_cbe_cpufreq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ppc_cbe_cpufreq.h
  *
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index 0b67a05a7aae..9d7176cee3d3 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for cpuidle.
 #
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 42896a67aeae..ed6531f075c6 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  cpuidle-powernv - idle state cpuidle driver.
  *  Adapted from drivers/cpuidle/cpuidle-pseries
diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c
index e9b3853d93ea..a187a39fb866 100644
--- a/drivers/cpuidle/cpuidle-pseries.c
+++ b/drivers/cpuidle/cpuidle-pseries.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  cpuidle-pseries - idle state cpuidle driver.
  *  Adapted from drivers/idle/intel_idle.c and
diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h
index f87f399b0540..2965ab32a583 100644
--- a/drivers/cpuidle/cpuidle.h
+++ b/drivers/cpuidle/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cpuidle.h - The internal header file
  */
diff --git a/drivers/cpuidle/dt_idle_states.h b/drivers/cpuidle/dt_idle_states.h
index 4818134bc65b..14ae88cef1de 100644
--- a/drivers/cpuidle/dt_idle_states.h
+++ b/drivers/cpuidle/dt_idle_states.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_IDLE_STATES
 #define __DT_IDLE_STATES
 
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index 808432b44c6b..c00708d04be6 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_AES) += atmel-aes.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_SHA) += atmel-sha.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_TDES) += atmel-tdes.o
diff --git a/drivers/crypto/atmel-aes-regs.h b/drivers/crypto/atmel-aes-regs.h
index 7694679802b3..62f9d3038757 100644
--- a/drivers/crypto/atmel-aes-regs.h
+++ b/drivers/crypto/atmel-aes-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_AES_REGS_H__
 #define __ATMEL_AES_REGS_H__
 
diff --git a/drivers/crypto/atmel-sha-regs.h b/drivers/crypto/atmel-sha-regs.h
index 1b0eba4a2706..b2b5e634e80f 100644
--- a/drivers/crypto/atmel-sha-regs.h
+++ b/drivers/crypto/atmel-sha-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_SHA_REGS_H__
 #define __ATMEL_SHA_REGS_H__
 
diff --git a/drivers/crypto/atmel-tdes-regs.h b/drivers/crypto/atmel-tdes-regs.h
index f86734d0fda4..fbd905720dfa 100644
--- a/drivers/crypto/atmel-tdes-regs.h
+++ b/drivers/crypto/atmel-tdes-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_TDES_REGS_H__
 #define __ATMEL_TDES_REGS_H__
 
diff --git a/drivers/crypto/caam/Makefile b/drivers/crypto/caam/Makefile
index 9e2e98856b9b..cb652ee7dfc8 100644
--- a/drivers/crypto/caam/Makefile
+++ b/drivers/crypto/caam/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the CAAM backend and dependent components
 #
diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h
index 8731e4a7ff05..e412ec8f7005 100644
--- a/drivers/crypto/caam/caamalg_desc.h
+++ b/drivers/crypto/caam/caamalg_desc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared descriptors for aead, ablkcipher algorithms
  *
diff --git a/drivers/crypto/caam/caampkc.h b/drivers/crypto/caam/caampkc.h
index 87ab75e9df43..fd145c46eae1 100644
--- a/drivers/crypto/caam/caampkc.h
+++ b/drivers/crypto/caam/caampkc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
  *
diff --git a/drivers/crypto/caam/compat.h b/drivers/crypto/caam/compat.h
index 7149cd2492e0..5f2f1b288d37 100644
--- a/drivers/crypto/caam/compat.h
+++ b/drivers/crypto/caam/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2008-2011 Freescale Semiconductor, Inc.
  */
diff --git a/drivers/crypto/caam/ctrl.h b/drivers/crypto/caam/ctrl.h
index 7e7bf68c9ef5..be693a2cc25e 100644
--- a/drivers/crypto/caam/ctrl.h
+++ b/drivers/crypto/caam/ctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM control-plane driver backend public-level include definitions
  *
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index 2e6766a1573f..6633fbb80e74 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM descriptor composition header
  * Definitions to support CAAM descriptor instruction generation
diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h
index d8e83ca104e0..ba1ca0806f0a 100644
--- a/drivers/crypto/caam/desc_constr.h
+++ b/drivers/crypto/caam/desc_constr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * caam descriptor construction helper functions
  *
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 3d639f3b45aa..8da88beb1abb 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CAAM Error Reporting
  *
diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h
index 250e1a21c473..5aa332bac4b0 100644
--- a/drivers/crypto/caam/error.h
+++ b/drivers/crypto/caam/error.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM Error Reporting code header
  *
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index a52361258d3a..91f1107276e5 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM/SEC 4.x driver backend
  * Private/internal definitions between modules
diff --git a/drivers/crypto/caam/jr.h b/drivers/crypto/caam/jr.h
index 97113a6d6c58..eab611530f36 100644
--- a/drivers/crypto/caam/jr.h
+++ b/drivers/crypto/caam/jr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM public-level include definitions for the JobR backend
  *
diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
index c425d4adaf2a..8c79c3a153dc 100644
--- a/drivers/crypto/caam/key_gen.c
+++ b/drivers/crypto/caam/key_gen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CAAM/SEC 4.x functions for handling key-generation jobs
  *
diff --git a/drivers/crypto/caam/key_gen.h b/drivers/crypto/caam/key_gen.h
index 4628f389eb64..5db055c25bd2 100644
--- a/drivers/crypto/caam/key_gen.h
+++ b/drivers/crypto/caam/key_gen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM/SEC 4.x definitions for handling key-generation jobs
  *
diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h
index 31e59963f4d2..810f0bef0652 100644
--- a/drivers/crypto/caam/pdb.h
+++ b/drivers/crypto/caam/pdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM Protocol Data Block (PDB) definition header file
  *
diff --git a/drivers/crypto/caam/pkc_desc.c b/drivers/crypto/caam/pkc_desc.c
index 9e2ce6fe2e43..2a8d87ea94bf 100644
--- a/drivers/crypto/caam/pkc_desc.c
+++ b/drivers/crypto/caam/pkc_desc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
  *
diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c
index e4cf00014233..f9a44f485aac 100644
--- a/drivers/crypto/caam/qi.c
+++ b/drivers/crypto/caam/qi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CAAM/SEC 4.x QI transport/backend driver
  * Queue Interface backend functionality
diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h
index ecb21f207637..357b69f57072 100644
--- a/drivers/crypto/caam/qi.h
+++ b/drivers/crypto/caam/qi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Public definitions for the CAAM/QI (Queue Interface) backend.
  *
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index 17cfd23a38fa..fee363865d88 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM hardware register-level view
  *
diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h
index 936b1b630058..e586ffab8358 100644
--- a/drivers/crypto/caam/sg_sw_sec4.h
+++ b/drivers/crypto/caam/sg_sw_sec4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * CAAM/SEC 4.x functions for using scatterlists in caam driver
  *
diff --git a/drivers/crypto/cavium/nitrox/Makefile b/drivers/crypto/cavium/nitrox/Makefile
index 5af2e4368267..45b7379e8e30 100644
--- a/drivers/crypto/cavium/nitrox/Makefile
+++ b/drivers/crypto/cavium/nitrox/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_NITROX_CNN55XX) += n5pf.o
 
 n5pf-objs := nitrox_main.o \
diff --git a/drivers/crypto/cavium/nitrox/nitrox_algs.c b/drivers/crypto/cavium/nitrox/nitrox_algs.c
index ce330278ef8a..2ae6124e5da6 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_algs.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_algs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/crypto.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/drivers/crypto/cavium/nitrox/nitrox_common.h b/drivers/crypto/cavium/nitrox/nitrox_common.h
index 4888c7823a5f..312f72801af6 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_common.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NITROX_COMMON_H
 #define __NITROX_COMMON_H
 
diff --git a/drivers/crypto/cavium/nitrox/nitrox_csr.h b/drivers/crypto/cavium/nitrox/nitrox_csr.h
index 30b04c4c6076..9dcb7fdbe0a7 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_csr.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_csr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NITROX_CSR_H
 #define __NITROX_CSR_H
 
diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h
index 57858b04f165..9a476bb6d4c7 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_dev.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NITROX_DEV_H
 #define __NITROX_DEV_H
 
diff --git a/drivers/crypto/cavium/nitrox/nitrox_hal.c b/drivers/crypto/cavium/nitrox/nitrox_hal.c
index f0655f82fa7d..bf9900bc4804 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_hal.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_hal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/delay.h>
 
 #include "nitrox_dev.h"
diff --git a/drivers/crypto/cavium/nitrox/nitrox_isr.c b/drivers/crypto/cavium/nitrox/nitrox_isr.c
index 71f934871a89..dbead5f45df3 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_isr.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_isr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/printk.h>
 #include <linux/slab.h>
diff --git a/drivers/crypto/cavium/nitrox/nitrox_lib.c b/drivers/crypto/cavium/nitrox/nitrox_lib.c
index b4a391adb9b6..4fdc921ba611 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_lib.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpumask.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmapool.h>
diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h
index 74f4c20dc87d..d091b6f5f5dd 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_req.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_req.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NITROX_REQ_H
 #define __NITROX_REQ_H
 
diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
index 4bb4377c5ac0..4addc238a6ef 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/gfp.h>
 #include <linux/workqueue.h>
 #include <crypto/internal/skcipher.h>
diff --git a/drivers/crypto/cavium/zip/Makefile b/drivers/crypto/cavium/zip/Makefile
index b2f3baaff757..020d189d793d 100644
--- a/drivers/crypto/cavium/zip/Makefile
+++ b/drivers/crypto/cavium/zip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Cavium's ZIP Driver.
 #
diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile
index 57f8debfcfb3..c4ce726b931e 100644
--- a/drivers/crypto/ccp/Makefile
+++ b/drivers/crypto/ccp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_CCP_DD) += ccp.o
 ccp-objs  := sp-dev.o sp-platform.o
 ccp-$(CONFIG_CRYPTO_DEV_SP_CCP) += ccp-dev.o \
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h
index b7872f62f674..0032e3bf46ee 100644
--- a/drivers/crypto/marvell/cesa.h
+++ b/drivers/crypto/marvell/cesa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MARVELL_CESA_H__
 #define __MARVELL_CESA_H__
 
diff --git a/drivers/crypto/mv_cesa.h b/drivers/crypto/mv_cesa.h
index 9249d3ed184b..0be3f0aa4afd 100644
--- a/drivers/crypto/mv_cesa.h
+++ b/drivers/crypto/mv_cesa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MV_CRYPTO_H__
 #define __MV_CRYPTO_H__
 
diff --git a/drivers/crypto/n2_asm.S b/drivers/crypto/n2_asm.S
index f7c793745a1e..9a67dbf340f4 100644
--- a/drivers/crypto/n2_asm.S
+++ b/drivers/crypto/n2_asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* n2_asm.S: Hypervisor calls for NCS support.
  *
  * Copyright (C) 2009 David S. Miller <davem@davemloft.net>
diff --git a/drivers/crypto/n2_core.h b/drivers/crypto/n2_core.h
index 4bcbbeae98f5..2406763b0306 100644
--- a/drivers/crypto/n2_core.h
+++ b/drivers/crypto/n2_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _N2_CORE_H
 #define _N2_CORE_H
 
diff --git a/drivers/crypto/nx/Makefile b/drivers/crypto/nx/Makefile
index b727821c8ed4..015155da59c2 100644
--- a/drivers/crypto/nx/Makefile
+++ b/drivers/crypto/nx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o
 nx-crypto-objs := nx.o \
 		  nx_debugfs.o \
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h
index bb2f31792683..b66f19ac600f 100644
--- a/drivers/crypto/nx/nx-842.h
+++ b/drivers/crypto/nx/nx-842.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __NX_842_H__
 #define __NX_842_H__
diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h
index 9347878d4f30..c3e54af18645 100644
--- a/drivers/crypto/nx/nx.h
+++ b/drivers/crypto/nx/nx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __NX_H__
 #define __NX_H__
diff --git a/drivers/crypto/nx/nx_csbcpb.h b/drivers/crypto/nx/nx_csbcpb.h
index a304f956d6f8..493f8490ff94 100644
--- a/drivers/crypto/nx/nx_csbcpb.h
+++ b/drivers/crypto/nx/nx_csbcpb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __NX_CSBCPB_H__
 #define __NX_CSBCPB_H__
diff --git a/drivers/crypto/qat/Makefile b/drivers/crypto/qat/Makefile
index 8265106f1c8e..7dd15e751d02 100644
--- a/drivers/crypto/qat/Makefile
+++ b/drivers/crypto/qat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_QAT) += qat_common/
 obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc/
 obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx/
diff --git a/drivers/crypto/qat/qat_common/Makefile b/drivers/crypto/qat/qat_common/Makefile
index 92fb6ffdc062..47a8e3d8b81a 100644
--- a/drivers/crypto/qat/qat_common/Makefile
+++ b/drivers/crypto/qat/qat_common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_QAT) += intel_qat.o
 intel_qat-objs := adf_cfg.o \
 	adf_isr.o \
diff --git a/drivers/crypto/qce/Makefile b/drivers/crypto/qce/Makefile
index 348dc3173afa..19a7f899acff 100644
--- a/drivers/crypto/qce/Makefile
+++ b/drivers/crypto/qce/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_QCE) += qcrypto.o
 qcrypto-objs := core.o \
 		common.o \
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index ab6a1b4c40f0..d5fb4013fb42 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RK3288_CRYPTO_H__
 #define __RK3288_CRYPTO_H__
 
diff --git a/drivers/crypto/virtio/Makefile b/drivers/crypto/virtio/Makefile
index dd342c947ff9..cbfccccfa135 100644
--- a/drivers/crypto/virtio/Makefile
+++ b/drivers/crypto/virtio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio_crypto.o
 virtio_crypto-objs := \
 	virtio_crypto_algs.o \
diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile
index 55f7c392582f..cab32cfec9c4 100644
--- a/drivers/crypto/vmx/Makefile
+++ b/drivers/crypto/vmx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
 vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o
 
diff --git a/drivers/crypto/vmx/aesp8-ppc.h b/drivers/crypto/vmx/aesp8-ppc.h
index 01972e16a6c0..349646b73754 100644
--- a/drivers/crypto/vmx/aesp8-ppc.h
+++ b/drivers/crypto/vmx/aesp8-ppc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/types.h>
 #include <crypto/aes.h>
 
diff --git a/drivers/crypto/vmx/ppc-xlate.pl b/drivers/crypto/vmx/ppc-xlate.pl
index b18e67d0e065..36db2ef09e5b 100644
--- a/drivers/crypto/vmx/ppc-xlate.pl
+++ b/drivers/crypto/vmx/ppc-xlate.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 
 # PowerPC assembler distiller by <appro>.
 
diff --git a/drivers/dax/Makefile b/drivers/dax/Makefile
index dc7422530462..574286fac87c 100644
--- a/drivers/dax/Makefile
+++ b/drivers/dax/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DAX) += dax.o
 obj-$(CONFIG_DEV_DAX) += device_dax.o
 obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o
diff --git a/drivers/devfreq/Makefile b/drivers/devfreq/Makefile
index fbff40a508a4..32b8d4d3f12c 100644
--- a/drivers/devfreq/Makefile
+++ b/drivers/devfreq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PM_DEVFREQ)	+= devfreq.o
 obj-$(CONFIG_PM_DEVFREQ_EVENT)	+= devfreq-event.o
 obj-$(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)	+= governor_simpleondemand.o
diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c
index 0d0677f23916..92e78d16b476 100644
--- a/drivers/dio/dio.c
+++ b/drivers/dio/dio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Code to support devices on the DIO and DIO-II bus
  * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
  * Copyright (C) 2004 Jochen Friedrich <jochen@scram.de>
diff --git a/drivers/dma-buf/sync_trace.h b/drivers/dma-buf/sync_trace.h
index d13d59ff1b85..06e468a218ff 100644
--- a/drivers/dma-buf/sync_trace.h
+++ b/drivers/dma-buf/sync_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_INCLUDE_PATH ../../drivers/dma-buf
 #define TRACE_SYSTEM sync_trace
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index f08f8de1b567..9d0156b50294 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #dmaengine debug flags
 subdir-ccflags-$(CONFIG_DMADEVICES_DEBUG)  := -DDEBUG
 subdir-ccflags-$(CONFIG_DMADEVICES_VDEBUG) += -DVERBOSE_DEBUG
diff --git a/drivers/dma/bestcomm/Makefile b/drivers/dma/bestcomm/Makefile
index aed2df2a6580..8d1b33a2f0a1 100644
--- a/drivers/dma/bestcomm/Makefile
+++ b/drivers/dma/bestcomm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for BestComm & co
 #
diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h
index 882ff9448c3b..501c0b063f85 100644
--- a/drivers/dma/dmaengine.h
+++ b/drivers/dma/dmaengine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The contents of this file are private to DMA engine drivers, and is not
  * part of the API to be used by DMA engine users.
diff --git a/drivers/dma/dw/Makefile b/drivers/dma/dw/Makefile
index 3eebd1ce2c6b..2b949c2e4504 100644
--- a/drivers/dma/dw/Makefile
+++ b/drivers/dma/dw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DW_DMAC_CORE)	+= dw_dmac_core.o
 dw_dmac_core-objs	:= core.o
 
diff --git a/drivers/dma/qcom/Makefile b/drivers/dma/qcom/Makefile
index 4bfc38b45220..1ae92da88b0c 100644
--- a/drivers/dma/qcom/Makefile
+++ b/drivers/dma/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_QCOM_BAM_DMA) += bam_dma.o
 obj-$(CONFIG_QCOM_HIDMA_MGMT) += hdma_mgmt.o
 hdma_mgmt-objs	 := hidma_mgmt.o hidma_mgmt_sys.o
diff --git a/drivers/dma/sh/Makefile b/drivers/dma/sh/Makefile
index f1e2fd64f279..7d7c9491ade1 100644
--- a/drivers/dma/sh/Makefile
+++ b/drivers/dma/sh/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # DMA Engine Helpers
 #
diff --git a/drivers/edac/amd64_edac_dbg.c b/drivers/edac/amd64_edac_dbg.c
index 4709c6079848..393be3351493 100644
--- a/drivers/edac/amd64_edac_dbg.c
+++ b/drivers/edac/amd64_edac_dbg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "amd64_edac.h"
 
 #define EDAC_DCT_ATTR_SHOW(reg)						\
diff --git a/drivers/edac/amd64_edac_inj.c b/drivers/edac/amd64_edac_inj.c
index e14977ff95db..d96d6116f0fb 100644
--- a/drivers/edac/amd64_edac_inj.c
+++ b/drivers/edac/amd64_edac_inj.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "amd64_edac.h"
 
 static ssize_t amd64_inject_section_show(struct device *dev,
diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h
index 014871e169cc..dec88dcea036 100644
--- a/drivers/edac/edac_module.h
+++ b/drivers/edac/edac_module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  * edac_module.h
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 0b6a68673e0e..4e9c5e596c6c 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _EDAC_MCE_AMD_H
 #define _EDAC_MCE_AMD_H
 
diff --git a/drivers/eisa/Makefile b/drivers/eisa/Makefile
index 5369ce957c6d..a1dd0eaec2d4 100644
--- a/drivers/eisa/Makefile
+++ b/drivers/eisa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux device tree
 
 obj-$(CONFIG_EISA)	        += eisa-bus.o
diff --git a/drivers/extcon/Makefile b/drivers/extcon/Makefile
index a73624e76193..0888fdeded72 100644
--- a/drivers/extcon/Makefile
+++ b/drivers/extcon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 # Makefile for external connector class (extcon) devices
 #
diff --git a/drivers/extcon/extcon.h b/drivers/extcon/extcon.h
index dddddcfa0587..61358479bfcc 100644
--- a/drivers/extcon/extcon.h
+++ b/drivers/extcon/extcon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_EXTCON_INTERNAL_H__
 #define __LINUX_EXTCON_INTERNAL_H__
 
diff --git a/drivers/firewire/Makefile b/drivers/firewire/Makefile
index e3870d5c43dd..e58c8c794778 100644
--- a/drivers/firewire/Makefile
+++ b/drivers/firewire/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux IEEE 1394 implementation
 #
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index c07962ead5e4..0f0bed3a4bbb 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FIREWIRE_CORE_H
 #define _FIREWIRE_CORE_H
 
diff --git a/drivers/firewire/nosy-user.h b/drivers/firewire/nosy-user.h
index e48aa6200c72..3446c5b772e5 100644
--- a/drivers/firewire/nosy-user.h
+++ b/drivers/firewire/nosy-user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __nosy_user_h
 #define __nosy_user_h
 
diff --git a/drivers/firewire/nosy.h b/drivers/firewire/nosy.h
index 078ff27f4756..4078d69e93f8 100644
--- a/drivers/firewire/nosy.h
+++ b/drivers/firewire/nosy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Chip register definitions for PCILynx chipset.  Based on pcilynx.h
  * from the Linux 1394 drivers, but modified a bit so the names here
diff --git a/drivers/firewire/ohci.h b/drivers/firewire/ohci.h
index ef5e7336da68..c4d005a9901a 100644
--- a/drivers/firewire/ohci.h
+++ b/drivers/firewire/ohci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FIREWIRE_OHCI_H
 #define _FIREWIRE_OHCI_H
 
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index a37f12e8d137..feaa890197f3 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
index 0329d319d89a..269501dfba53 100644
--- a/drivers/firmware/efi/Makefile
+++ b/drivers/firmware/efi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for linux kernel
 #
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index dedf9bde44db..2371a92808be 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # The stub may be linked into the kernel proper or into a separate boot binary,
 # but in either case, it executes before the kernel does (with MMU disabled) so
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 83f268c05007..f59564b72ddc 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
 #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
diff --git a/drivers/firmware/efi/libstub/string.c b/drivers/firmware/efi/libstub/string.c
index 09d5a0894343..ed10e3f602c5 100644
--- a/drivers/firmware/efi/libstub/string.c
+++ b/drivers/firmware/efi/libstub/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Taken from:
  *  linux/lib/string.c
diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c
index 78686443cb37..5fc70520e04c 100644
--- a/drivers/firmware/efi/memmap.c
+++ b/drivers/firmware/efi/memmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common EFI memory map functions.
  */
diff --git a/drivers/firmware/efi/reboot.c b/drivers/firmware/efi/reboot.c
index 22874544d301..7effff969eb9 100644
--- a/drivers/firmware/efi/reboot.c
+++ b/drivers/firmware/efi/reboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2014 Intel Corporation; author Matt Fleming
  * Copyright (c) 2014 Red Hat, Inc., Mark Salter <msalter@redhat.com>
diff --git a/drivers/firmware/efi/test/efi_test.h b/drivers/firmware/efi/test/efi_test.h
index a33a6c633852..9812c6a02b40 100644
--- a/drivers/firmware/efi/test/efi_test.h
+++ b/drivers/firmware/efi/test/efi_test.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * EFI Test driver Header
  *
diff --git a/drivers/firmware/google/Makefile b/drivers/firmware/google/Makefile
index bc4de02202ad..dcd3675efcfc 100644
--- a/drivers/firmware/google/Makefile
+++ b/drivers/firmware/google/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_GOOGLE_SMI)		+= gsmi.o
 obj-$(CONFIG_GOOGLE_COREBOOT_TABLE)        += coreboot_table.o
diff --git a/drivers/fmc/Makefile b/drivers/fmc/Makefile
index e809322e1bac..e3da6192cf39 100644
--- a/drivers/fmc/Makefile
+++ b/drivers/fmc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_FMC) += fmc.o
 
diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile
index e09895f0525b..f98dcf1d89e1 100644
--- a/drivers/fpga/Makefile
+++ b/drivers/fpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the fpga framework and fpga manager drivers.
 #
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index aeb70e9de6f2..8a2dfba3b231 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # generic gpio support: platform drivers, dedicated expander chips, etc
 
 ccflags-$(CONFIG_DEBUG_GPIO)	+= -DDEBUG
diff --git a/drivers/gpio/gpio-etraxfs.c b/drivers/gpio/gpio-etraxfs.c
index 14c6aac26780..94db1bf4bfdb 100644
--- a/drivers/gpio/gpio-etraxfs.c
+++ b/drivers/gpio/gpio-etraxfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/gpio/driver.h>
diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c
index e9386f8b67f5..139f73d3f4ba 100644
--- a/drivers/gpio/gpio-ftgpio010.c
+++ b/drivers/gpio/gpio-ftgpio010.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Faraday Technolog FTGPIO010 gpiochip and interrupt routines
  * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index a8acc197dec3..8ce07039bb89 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 658bac0cdc5e..567b0377e1e2 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 1c88bd5e29ad..34c99a3c8d2d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_AMDGPU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _AMDGPU_TRACE_H_
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c
index 385b7e1d72f9..89680d554ed8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Copyright Red Hat Inc 2010.
  * Author : Dave Airlie <airlied@redhat.com>
  */
diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile
index b400d5664252..7bb0bc0ca3d6 100644
--- a/drivers/gpu/drm/amd/amdkfd/Makefile
+++ b/drivers/gpu/drm/amd/amdkfd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Heterogenous System Architecture support for AMD GPU devices
 #
diff --git a/drivers/gpu/drm/amd/powerplay/Makefile b/drivers/gpu/drm/amd/powerplay/Makefile
index 4e132b936e3d..72d5f50508b6 100644
--- a/drivers/gpu/drm/amd/powerplay/Makefile
+++ b/drivers/gpu/drm/amd/powerplay/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 subdir-ccflags-y += \
 		-I$(FULL_AMD_PATH)/powerplay/inc/  \
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
index f0277c16c2bf..d13fdadbbf9e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 'hw manager' sub-component of powerplay.
 # It provides the hardware management services for the driver.
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c
index d09f25485844..e0766c5e3d74 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "pp_overdriver.h"
 #include <linux/errno.h>
 
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu72.h b/drivers/gpu/drm/amd/powerplay/inc/smu72.h
index b73d6b59ac32..08cd70c75d8b 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu72.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu72.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SMU72_H
 #define SMU72_H
 
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h b/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h
index 98f76e925e65..b2edbc0c3c4d 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SMU72_DISCRETE_H
 #define SMU72_DISCRETE_H
 
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile
index 1703bbefbfd5..e7ad45297b1d 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 'smu manager' sub-component of powerplay.
 # It provides the smu management services for the driver.
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
index 8bd38102b58e..283a0dc25e84 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _GPU_SCHED_TRACE_H_
 
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.h b/drivers/gpu/drm/arm/hdlcd_drv.h
index e3950a071152..56f34dfff640 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.h
+++ b/drivers/gpu/drm/arm/hdlcd_drv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ARM HDLCD Controller register definition
  */
diff --git a/drivers/gpu/drm/armada/Makefile b/drivers/gpu/drm/armada/Makefile
index 64c0b4546fb2..1ab4cf863bf7 100644
--- a/drivers/gpu/drm/armada/Makefile
+++ b/drivers/gpu/drm/armada/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 armada-y	:= armada_crtc.o armada_drv.o armada_fb.o armada_fbdev.o \
 		   armada_gem.o armada_overlay.o armada_trace.o
 armada-y	+= armada_510.o
diff --git a/drivers/gpu/drm/armada/armada_trace.c b/drivers/gpu/drm/armada/armada_trace.c
index 068b336ba75f..c64cce325cdf 100644
--- a/drivers/gpu/drm/armada/armada_trace.c
+++ b/drivers/gpu/drm/armada/armada_trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef __CHECKER__
 #define CREATE_TRACE_POINTS
 #include "armada_trace.h"
diff --git a/drivers/gpu/drm/armada/armada_trace.h b/drivers/gpu/drm/armada/armada_trace.h
index dc0cba70fd1a..1e9f55fc8735 100644
--- a/drivers/gpu/drm/armada/armada_trace.h
+++ b/drivers/gpu/drm/armada/armada_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(ARMADA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define ARMADA_TRACE_H
 
diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
index 749646ae365f..4c7375b45281 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/firmware.h>
 #include <drm/drmP.h>
diff --git a/drivers/gpu/drm/ast/ast_dram_tables.h b/drivers/gpu/drm/ast/ast_dram_tables.h
index 1d9c4e75d303..1e9ac9d6d26c 100644
--- a/drivers/gpu/drm/ast/ast_dram_tables.h
+++ b/drivers/gpu/drm/ast/ast_dram_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AST_DRAM_TABLES_H
 #define AST_DRAM_TABLES_H
 
diff --git a/drivers/gpu/drm/atmel-hlcdc/Makefile b/drivers/gpu/drm/atmel-hlcdc/Makefile
index bb5f8507a8ce..49dc89f36b73 100644
--- a/drivers/gpu/drm/atmel-hlcdc/Makefile
+++ b/drivers/gpu/drm/atmel-hlcdc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 atmel-hlcdc-dc-y := atmel_hlcdc_crtc.o \
 		atmel_hlcdc_dc.o \
 		atmel_hlcdc_output.o \
diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index 76c490c3cdbc..375bf92cd04f 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/io.h>
 #include <linux/console.h>
 
diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
index defcf1e7ca1c..60dab87e4783 100644
--- a/drivers/gpu/drm/bridge/Makefile
+++ b/drivers/gpu/drm/bridge/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o
 obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o
 obj-$(CONFIG_DRM_LVDS_ENCODER) += lvds-encoder.o
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h
index fd1f745c6073..63b5756f463b 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DW_HDMI_AUDIO_H
 #define DW_HDMI_AUDIO_H
 
diff --git a/drivers/gpu/drm/drm_trace.h b/drivers/gpu/drm/drm_trace.h
index 14c5a777682e..a8370775ed50 100644
--- a/drivers/gpu/drm/drm_trace.h
+++ b/drivers/gpu/drm/drm_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 #define _DRM_TRACE_H_
 
diff --git a/drivers/gpu/drm/etnaviv/Makefile b/drivers/gpu/drm/etnaviv/Makefile
index 4f76c992043f..ab3f551831d7 100644
--- a/drivers/gpu/drm/etnaviv/Makefile
+++ b/drivers/gpu/drm/etnaviv/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 etnaviv-y := \
 	etnaviv_buffer.o \
 	etnaviv_cmd_parser.o \
diff --git a/drivers/gpu/drm/etnaviv/state.xml.h b/drivers/gpu/drm/etnaviv/state.xml.h
index 368218304566..c27c1484cfa9 100644
--- a/drivers/gpu/drm/etnaviv/state.xml.h
+++ b/drivers/gpu/drm/etnaviv/state.xml.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef STATE_XML
 #define STATE_XML
 
diff --git a/drivers/gpu/drm/etnaviv/state_3d.xml.h b/drivers/gpu/drm/etnaviv/state_3d.xml.h
index d7146fd13943..73a97d35c51b 100644
--- a/drivers/gpu/drm/etnaviv/state_3d.xml.h
+++ b/drivers/gpu/drm/etnaviv/state_3d.xml.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef STATE_3D_XML
 #define STATE_3D_XML
 
diff --git a/drivers/gpu/drm/etnaviv/state_hi.xml.h b/drivers/gpu/drm/etnaviv/state_hi.xml.h
index 43c73e2ed34f..60808daf7e8d 100644
--- a/drivers/gpu/drm/etnaviv/state_hi.xml.h
+++ b/drivers/gpu/drm/etnaviv/state_hi.xml.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef STATE_HI_XML
 #define STATE_HI_XML
 
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index f663490e949d..bdf4212dde7b 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/fsl-dcu/Makefile b/drivers/gpu/drm/fsl-dcu/Makefile
index aca34f656bea..b55c4482d0f9 100644
--- a/drivers/gpu/drm/fsl-dcu/Makefile
+++ b/drivers/gpu/drm/fsl-dcu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 fsl-dcu-drm-y := fsl_dcu_drm_drv.o \
 		 fsl_dcu_drm_kms.o \
 		 fsl_dcu_drm_rgb.o \
diff --git a/drivers/gpu/drm/gma500/Makefile b/drivers/gpu/drm/gma500/Makefile
index c1c8dc18aa53..c8f2c89be99d 100644
--- a/drivers/gpu/drm/gma500/Makefile
+++ b/drivers/gpu/drm/gma500/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #	KMS driver for the GMA500
 #
diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile
index a77acfc1852e..b20100c18ffb 100644
--- a/drivers/gpu/drm/i2c/Makefile
+++ b/drivers/gpu/drm/i2c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ch7006-y := ch7006_drv.o ch7006_mode.o
 obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o
 
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 892f52b53060..2e034efc4d6d 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile
index f5486cb94818..2641ba510a61 100644
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ b/drivers/gpu/drm/i915/gvt/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 GVT_DIR := gvt
 GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
 	interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 6fd5c57e21f6..ef72da74b87f 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_I915_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 #define _I915_TRACE_H_
 
diff --git a/drivers/gpu/drm/i915/i915_trace_points.c b/drivers/gpu/drm/i915/i915_trace_points.c
index f1df2bd4ecf4..463a7177997c 100644
--- a/drivers/gpu/drm/i915/i915_trace_points.c
+++ b/drivers/gpu/drm/i915/i915_trace_points.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright © 2009 Intel Corporation
  *
diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
index 42fb436f6cdc..d1abf4bb7c81 100644
--- a/drivers/gpu/drm/i915/intel_acpi.c
+++ b/drivers/gpu/drm/i915/intel_acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Intel ACPI functions
  *
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 02d8974bf9ab..6b2067f10824 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INTEL_RINGBUFFER_H_
 #define _INTEL_RINGBUFFER_H_
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
index 18b174d855ca..1519f1b7841b 100644
--- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* List each unit test as selftest(name, function)
  *
  * The name is used as both an enum and expanded as subtest__name to create
diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
index fc74687501ba..e5a9e5dcf2f3 100644
--- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* List each unit test as selftest(name, function)
  *
  * The name is used as both an enum and expanded as subtest__name to create
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.h b/drivers/gpu/drm/i915/selftests/mock_gem_device.h
index 4cca4d57f52c..b5dc4e394555 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.h
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MOCK_GEM_DEVICE_H__
 #define __MOCK_GEM_DEVICE_H__
 
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_object.h b/drivers/gpu/drm/i915/selftests/mock_gem_object.h
index 9fbf67321662..20acdbee7bd0 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_object.h
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_object.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MOCK_GEM_OBJECT_H__
 #define __MOCK_GEM_OBJECT_H__
 
diff --git a/drivers/gpu/drm/imx/Makefile b/drivers/gpu/drm/imx/Makefile
index 16ecef33e008..ab6c83caceb7 100644
--- a/drivers/gpu/drm/imx/Makefile
+++ b/drivers/gpu/drm/imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 imxdrm-objs := imx-drm-core.o ipuv3-crtc.o ipuv3-plane.o
 
diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
index f6dd64be9cd5..f0b7556c0857 100644
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IMX_DRM_H_
 #define _IMX_DRM_H_
 
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h
index 596b24ddbf65..e563ea17a827 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.h
+++ b/drivers/gpu/drm/imx/ipuv3-plane.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IPUV3_PLANE_H__
 #define __IPUV3_PLANE_H__
 
diff --git a/drivers/gpu/drm/lib/drm_random.c b/drivers/gpu/drm/lib/drm_random.c
index a78c4b483e8d..eeb155826d27 100644
--- a/drivers/gpu/drm/lib/drm_random.c
+++ b/drivers/gpu/drm/lib/drm_random.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/kernel.h>
 #include <linux/random.h>
diff --git a/drivers/gpu/drm/lib/drm_random.h b/drivers/gpu/drm/lib/drm_random.h
index a78644bea7f9..4a3e94dfa0c0 100644
--- a/drivers/gpu/drm/lib/drm_random.h
+++ b/drivers/gpu/drm/lib/drm_random.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRM_RANDOM_H__
 #define __DRM_RANDOM_H__
 
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
index e37b55a23a65..ce83c396a742 100644
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 mediatek-drm-y := mtk_disp_color.o \
 		  mtk_disp_ovl.o \
 		  mtk_disp_rdma.o \
diff --git a/drivers/gpu/drm/mgag200/mgag200_reg.h b/drivers/gpu/drm/mgag200/mgag200_reg.h
index 3ae442a64bd6..c096a9d6bcbc 100644
--- a/drivers/gpu/drm/mgag200/mgag200_reg.h
+++ b/drivers/gpu/drm/mgag200/mgag200_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MGA Millennium (MGA2064W) functions
  * MGA Mystique (MGA1064SG) functions
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 33008fa1be9b..ced70783b44e 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Idrivers/gpu/drm/msm
 ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi
 
diff --git a/drivers/gpu/drm/nouveau/dispnv04/cursor.c b/drivers/gpu/drm/nouveau/dispnv04/cursor.c
index f26e44ea7389..ebf860bd59af 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/cursor.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/cursor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <drm/drmP.h>
 #include <drm/drm_mode.h>
 #include "nouveau_drv.h"
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.h b/drivers/gpu/drm/nouveau/dispnv04/disp.h
index 74a8795c2c2b..f74f1f2b186e 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_DISPLAY_H__
 #define __NV04_DISPLAY_H__
 #include <subdev/bios.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0002.h b/drivers/gpu/drm/nouveau/include/nvif/cl0002.h
index 6d72ed38da32..1a8b45b4631f 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl0002.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl0002.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL0002_H__
 #define __NVIF_CL0002_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0046.h b/drivers/gpu/drm/nouveau/include/nvif/cl0046.h
index a6a71f4ad91e..c0d5eba4f8fc 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl0046.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl0046.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL0046_H__
 #define __NVIF_CL0046_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h b/drivers/gpu/drm/nouveau/include/nvif/cl006b.h
index 309ab8a3d9e8..d0e8f35d9e92 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl006b.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL006B_H__
 #define __NVIF_CL006B_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h
index 287a7d6fa480..2740278d226b 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL0080_H__
 #define __NVIF_CL0080_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h b/drivers/gpu/drm/nouveau/include/nvif/cl506e.h
index aa94b8cf9679..b4cd58093300 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl506e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL506E_H__
 #define __NVIF_CL506E_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h b/drivers/gpu/drm/nouveau/include/nvif/cl506f.h
index 3b7101966de4..14d20c813cdb 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl506f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL506F_H__
 #define __NVIF_CL506F_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl5070.h b/drivers/gpu/drm/nouveau/include/nvif/cl5070.h
index 542d95145a67..7cdf53615d7b 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl5070.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl5070.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL5070_H__
 #define __NVIF_CL5070_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507a.h b/drivers/gpu/drm/nouveau/include/nvif/cl507a.h
index 12e0643b78bd..36e537218596 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl507a.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl507a.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL507A_H__
 #define __NVIF_CL507A_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507b.h b/drivers/gpu/drm/nouveau/include/nvif/cl507b.h
index 99e9d8c47f60..3e643b752bfc 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl507b.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl507b.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL507B_H__
 #define __NVIF_CL507B_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507c.h b/drivers/gpu/drm/nouveau/include/nvif/cl507c.h
index 6af70dbdfd9f..fd9e336d0a24 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl507c.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl507c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL507C_H__
 #define __NVIF_CL507C_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507d.h b/drivers/gpu/drm/nouveau/include/nvif/cl507d.h
index 5ab0c9e4c6a3..e994c6894e3e 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl507d.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl507d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL507D_H__
 #define __NVIF_CL507D_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507e.h b/drivers/gpu/drm/nouveau/include/nvif/cl507e.h
index c06209f3cac4..8082d2fde248 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl507e.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl507e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL507E_H__
 #define __NVIF_CL507E_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h b/drivers/gpu/drm/nouveau/include/nvif/cl826e.h
index 91e33db21a2f..36944ff09e3c 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl826e.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL826E_H__
 #define __NVIF_CL826E_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h b/drivers/gpu/drm/nouveau/include/nvif/cl826f.h
index e34efd4ec537..df09a50817eb 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl826f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL826F_H__
 #define __NVIF_CL826F_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h b/drivers/gpu/drm/nouveau/include/nvif/cl906f.h
index a2d5410a491b..6d16a3a2ec02 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl906f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL906F_H__
 #define __NVIF_CL906F_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl9097.h b/drivers/gpu/drm/nouveau/include/nvif/cl9097.h
index 4057676d2981..e4c8de6d00b7 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cl9097.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cl9097.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CL9097_H__
 #define __NVIF_CL9097_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
index 2efa3d048bb9..597ebb52d5f9 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CLA06F_H__
 #define __NVIF_CLA06F_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h
index d08da82ba7ed..e3a2ea8bde70 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/class.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CLASS_H__
 #define __NVIF_CLASS_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/client.h b/drivers/gpu/drm/nouveau/include/nvif/client.h
index b52a8eadce01..f5df8b30c599 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_CLIENT_H__
 #define __NVIF_CLIENT_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/device.h b/drivers/gpu/drm/nouveau/include/nvif/device.h
index bcb981711617..09439b037870 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_DEVICE_H__
 #define __NVIF_DEVICE_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/driver.h b/drivers/gpu/drm/nouveau/include/nvif/driver.h
index 0c6f48d8140a..93bccd45a042 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/driver.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_DRIVER_H__
 #define __NVIF_DRIVER_H__
 #include <nvif/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvif/event.h b/drivers/gpu/drm/nouveau/include/nvif/event.h
index 21764499b4be..ec5c924f576a 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/event.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_EVENT_H__
 #define __NVIF_EVENT_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0000.h b/drivers/gpu/drm/nouveau/include/nvif/if0000.h
index c2c0fc41e017..30ecd31db5df 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0000.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0000_H__
 #define __NVIF_IF0000_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0001.h b/drivers/gpu/drm/nouveau/include/nvif/if0001.h
index bd5b64125eed..ca9215262215 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0001.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0001.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0001_H__
 #define __NVIF_IF0001_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0002.h b/drivers/gpu/drm/nouveau/include/nvif/if0002.h
index c04c91d0b818..d9235c011196 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0002.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0002.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0002_H__
 #define __NVIF_IF0002_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0003.h b/drivers/gpu/drm/nouveau/include/nvif/if0003.h
index 0cd03efb80a1..ae30b8261b88 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0003.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0003.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0003_H__
 #define __NVIF_IF0003_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0004.h b/drivers/gpu/drm/nouveau/include/nvif/if0004.h
index bd5cd428cfd7..b35547c8ea36 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0004.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0004.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0004_H__
 #define __NVIF_IF0004_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0005.h b/drivers/gpu/drm/nouveau/include/nvif/if0005.h
index abfd373bb68b..8ed0ae101715 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0005.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0005.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IF0005_H__
 #define __NVIF_IF0005_H__
 #define NV10_NVSW_NTFY_UEVENT                                              0x00
diff --git a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
index c5f5eb83a594..688c4bcd9c64 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_IOCTL_H__
 #define __NVIF_IOCTL_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/notify.h b/drivers/gpu/drm/nouveau/include/nvif/notify.h
index 51e2eb580809..4ed169230657 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/notify.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/notify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_NOTIFY_H__
 #define __NVIF_NOTIFY_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h
index 9e58b305b020..6912b8cffc98 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/object.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_OBJECT_H__
 #define __NVIF_OBJECT_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/os.h b/drivers/gpu/drm/nouveau/include/nvif/os.h
index 9fcab67c8557..6b16ab6b26d5 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/os.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/os.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_OS_H__
 #define __NOUVEAU_OS_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/unpack.h b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
index 751bcf4930a7..7f0d9f6cc1e7 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/unpack.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVIF_UNPACK_H__
 #define __NVIF_UNPACK_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
index e876634da10a..ca23230d5743 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CLIENT_H__
 #define __NVKM_CLIENT_H__
 #define nvkm_client(p) container_of((p), struct nvkm_client, object)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h b/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h
index c59fd4e2ad5e..966d1822dd80 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEBUG_H__
 #define __NVKM_DEBUG_H__
 #define NV_DBG_FATAL    0
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
index bb4c214f1046..d7ecb65ba19f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_H__
 #define __NVKM_DEVICE_H__
 #include <core/event.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
index d4cd2fbfde88..c6bcd8a64cae 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_ENGINE_H__
 #define __NVKM_ENGINE_H__
 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h b/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h
index 40429a82f792..38acbde2de4f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_ENUM_H__
 #define __NVKM_ENUM_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h
index b98fe2de546a..d3c45e90a1c1 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_EVENT_H__
 #define __NVKM_EVENT_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h
index a626ce378f04..ff0fa38aee72 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FIRMWARE_H__
 #define __NVKM_FIRMWARE_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h
index c23da4f05929..473ba0b9a368 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GPUOBJ_H__
 #define __NVKM_GPUOBJ_H__
 #include <core/object.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
index 88971eb37afa..e2d39192fa26 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_IOCTL_H__
 #define __NVKM_IOCTL_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
index 33ca6769266a..affba21fcbad 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MEMORY_H__
 #define __NVKM_MEMORY_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h
index 7bd4897a8a2a..2002a4da9999 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MM_H__
 #define __NVKM_MM_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h
index 753d08c1767b..4eb82bc563f3 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_NOTIFY_H__
 #define __NVKM_NOTIFY_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
index 96dda350ada3..3f13ff1d4ee4 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_OBJECT_H__
 #define __NVKM_OBJECT_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h b/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h
index bd52236cc2f4..d950d5ee188b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_OPROXY_H__
 #define __NVKM_OPROXY_H__
 #define nvkm_oproxy(p) container_of((p), struct nvkm_oproxy, base)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/option.h b/drivers/gpu/drm/nouveau/include/nvkm/core/option.h
index 80fdc146e816..a34a79bacbd0 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/option.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/option.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_OPTION_H__
 #define __NVKM_OPTION_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
index cd57e238ddd3..fc9e8cd36087 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_OS_H__
 #define __NVKM_OS_H__
 #include <nvif/os.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
index 78d41be20b8c..4c7f647d2dc9 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_PCI_H__
 #define __NVKM_DEVICE_PCI_H__
 #include <core/device.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h b/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h
index 5ee6298991e2..674a38408240 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_RAMHT_H__
 #define __NVKM_RAMHT_H__
 #include <core/gpuobj.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
index ca9ed3d68f44..38f51ff7ab40 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SUBDEV_H__
 #define __NVKM_SUBDEV_H__
 #include <core/device.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
index 7c7d91cad09a..5c102d0206a7 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_TEGRA_H__
 #define __NVKM_DEVICE_TEGRA_H__
 #include <core/device.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h
index 904820558fc0..40613983fccb 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BSP_H__
 #define __NVKM_BSP_H__
 #include <engine/xtensa.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h
index b93f4c1a95e5..553245994450 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CE_H__
 #define __NVKM_CE_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h
index 03fa57a7c30a..72b9da2de7c2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CIPHER_H__
 #define __NVKM_CIPHER_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
index 05f9c13ab8c3..e83193d3ccab 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_H__
 #define __NVKM_DISP_H__
 #define nvkm_disp(p) container_of((p), struct nvkm_disp, engine)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h
index d2a6532ce3b9..5f5cae7c474e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DMA_H__
 #define __NVKM_DMA_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
index e1a854e2ade1..5a51842bc241 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FALCON_H__
 #define __NVKM_FALCON_H__
 #define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
index f00527b36acc..025f400c9f5d 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FIFO_H__
 #define __NVKM_FIFO_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
index c7944b19bed8..fb18f105fc43 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GR_H__
 #define __NVKM_GR_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h
index 257738eff9f6..4ef3d4c5e358 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MPEG_H__
 #define __NVKM_MPEG_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h
index 748ea9b7e559..985fc9490643 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSENC_H__
 #define __NVKM_MSENC_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h
index 08516ca82e04..e03f33472486 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSPDEC_H__
 #define __NVKM_MSPDEC_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h
index 85fd306021ac..760bf17ea63d 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSPPP_H__
 #define __NVKM_MSPPP_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h
index 99757ed96f76..281866d2501d 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSVLD_H__
 #define __NVKM_MSVLD_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h
index 00b2b227ff41..fe716859d4a9 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_NVDEC_H__
 #define __NVKM_NVDEC_H__
 #define nvkm_nvdec(p) container_of((p), struct nvkm_nvdec, engine)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h
index 8a819328059b..cdd68a8bab8b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_NVENC_H__
 #define __NVKM_NVENC_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h
index 240855ad8c8d..6cce8502f9df 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PM_H__
 #define __NVKM_PM_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h
index 7317ef4c0207..b206b918c43e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SEC_H__
 #define __NVKM_SEC_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h
index d3db1b1e75c4..f7d89822b905 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SEC2_H__
 #define __NVKM_SEC2_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h
index 096e7dbd1e65..83a17c4e11e7 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SW_H__
 #define __NVKM_SW_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h
index 2b0dc4c695c2..9b7d4877cf41 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_VIC_H__
 #define __NVKM_VIC_H__
 #include <core/engine.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h
index 616ea91e03f8..53bf8aed48fb 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_VP_H__
 #define __NVKM_VP_H__
 #include <engine/xtensa.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
index b1fcc416732f..13c00ce6d556 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_XTENSA_H__
 #define __NVKM_XTENSA_H__
 #define nvkm_xtensa(p) container_of((p), struct nvkm_xtensa, engine)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
index d3071b5a4f98..91f1e0efe061 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BAR_H__
 #define __NVKM_BAR_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h
index a72f3290528a..979e9a144e7b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BIOS_H__
 #define __NVKM_BIOS_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h
index cf202c793a1d..703a5b524b96 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_M0203_H__
 #define __NVBIOS_M0203_H__
 struct nvbios_M0203T {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h
index d34608ff241e..b4e14e45a0e8 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_M0205_H__
 #define __NVBIOS_M0205_H__
 struct nvbios_M0205T {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h
index c7ff8d9526e7..c09376894d12 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_M0209_H__
 #define __NVBIOS_M0209_H__
 u32 nvbios_M0209Te(struct nvkm_bios *,
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h
index 1c1c52eac97d..901d94ef11b8 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_P0260_H__
 #define __NVBIOS_P0260_H__
 u32 nvbios_P0260Te(struct nvkm_bios *,
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h
index 6711732b7cb1..d068586f3263 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_BIT_H__
 #define __NVBIOS_BIT_H__
 struct bit_entry {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h
index 3f0c7c414026..9a3f9483ee75 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_BMP_H__
 #define __NVBIOS_BMP_H__
 static inline u16
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h
index 2ff64a20c0ec..a1c48c6b223b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_BOOST_H__
 #define __NVBIOS_BOOST_H__
 u32 nvbios_boostTe(struct nvkm_bios *, u8 *, u8 *, u8 *, u8 *, u8 *, u8 *);
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h
index deb477282dde..ed9e0a6a0011 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_CONN_H__
 #define __NVBIOS_CONN_H__
 enum dcb_connector_type {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h
index 76fe7d50a1ce..49343d276e11 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_CSTEP_H__
 #define __NVBIOS_CSTEP_H__
 u32 nvbios_cstepTe(struct nvkm_bios *,
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h
index 903d117603d8..63ddc6ed897a 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_DCB_H__
 #define __NVBIOS_DCB_H__
 enum dcb_output_type {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h
index c5a6ebd5a478..423d92de0aae 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_DISP_H__
 #define __NVBIOS_DISP_H__
 u16 nvbios_disp_table(struct nvkm_bios *,
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h
index b4d39df70d4e..df34b41838d6 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_DP_H__
 #define __NVBIOS_DP_H__
 struct nvbios_dpout {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h
index bb49bd5f879e..f93e4f951f2f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_EXTDEV_H__
 #define __NVBIOS_EXTDEV_H__
 enum nvbios_extdev_type {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h
index a7513e8406a3..09c1d3b9d009 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_FAN_H__
 #define __NVBIOS_FAN_H__
 #include <subdev/bios/therm.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h
index b7a54e605469..b71a3555c64e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_GPIO_H__
 #define __NVBIOS_GPIO_H__
 enum dcb_gpio_func_name {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h
index 85c529ecf9b1..ae1f7483dd28 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_I2C_H__
 #define __NVBIOS_I2C_H__
 enum dcb_i2c_type {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h
index e933d3eede70..e220a1ac1387 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_ICCSENSE_H__
 #define __NVBIOS_ICCSENSE_H__
 struct pwr_rail_resistor_t {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h
index e15d63b9a5eb..893288b060de 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_IMAGE_H__
 #define __NVBIOS_IMAGE_H__
 struct nvbios_image {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h
index 06ab48052128..744b1868e789 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_INIT_H__
 #define __NVBIOS_INIT_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h
index 4e31b64c5edf..327bf9c4b703 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_MXM_H__
 #define __NVBIOS_MXM_H__
 u16 mxm_table(struct nvkm_bios *, u8 *ver, u8 *hdr);
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h
index 64a59549b7ea..ee5419b7b45b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_NPDE_H__
 #define __NVBIOS_NPDE_H__
 struct nvbios_npdeT {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h
index e85931541f4f..1dffe8d6cc81 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_PCIR_H__
 #define __NVBIOS_PCIR_H__
 struct nvbios_pcirT {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
index 478b1c0d2089..0ee84ea6d737 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_PERF_H__
 #define __NVBIOS_PERF_H__
 u32 nvbios_perf_table(struct nvkm_bios *, u8 *ver, u8 *hdr,
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h
index 5a69978d1e3b..ab964e085f02 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_PLL_H__
 #define __NVBIOS_PLL_H__
 /*XXX: kill me */
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h
index 3a643df6de04..fb41ecab8f8c 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_PMU_H__
 #define __NVBIOS_PMU_H__
 struct nvbios_pmuT {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h
index f5f4a14c4030..ff12d810dce3 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_POWER_BUDGET_H__
 #define __NVBIOS_POWER_BUDGET_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h
index dca6c060a24f..2b87a38adb7a 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_RAMCFG_H__
 #define __NVBIOS_RAMCFG_H__
 struct nvbios_ramcfg {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h
index 8d8ee13721ec..471eef434b51 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_RAMMAP_H__
 #define __NVBIOS_RAMMAP_H__
 #include <subdev/bios/ramcfg.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
index dd3ba960e75d..46a3b15e10ec 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_THERM_H__
 #define __NVBIOS_THERM_H__
 struct nvbios_therm_threshold {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h
index 38188d4c9ab5..40ceabf37827 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_TIMING_H__
 #define __NVBIOS_TIMING_H__
 #include <subdev/bios/ramcfg.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
index bea31cdd1dd1..67419bad584c 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_VMAP_H__
 #define __NVBIOS_VMAP_H__
 struct nvbios_vmap {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h
index f0baa2c7de09..6b36d5ecb8f9 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_VOLT_H__
 #define __NVBIOS_VOLT_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h
index 87f804fc3a88..36f3028d58ef 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_VPSTATE_H__
 #define __NVBIOS_VPSTATE_H__
 struct nvbios_vpstate_header {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h
index 0c0fe234ff12..d1bb5d044585 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVBIOS_XPIO_H__
 #define __NVBIOS_XPIO_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h
index 33a057c334f2..7695f7f77a06 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BUS_H__
 #define __NVKM_BUS_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h
index e5275f742977..15db75ef0189 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CLK_H__
 #define __NVKM_CLK_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h
index 709d786f1808..40558064d589 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVINIT_H__
 #define __NVKM_DEVINIT_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
index 28d513fbf44c..4da68dd52619 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FB_H__
 #define __NVKM_FB_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h
index ae201e388487..092193b7f98e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FUSE_H__
 #define __NVKM_FUSE_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h
index 9b9c6d2f90b6..ee54899076e3 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GPIO_H__
 #define __NVKM_GPIO_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h
index ce23cc6c672e..eef54e9b5d77 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_I2C_H__
 #define __NVKM_I2C_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h
index 6e2b70bd2f41..919653c1d101 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_IBUS_H__
 #define __NVKM_IBUS_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h
index b7a9b041e130..be9475cd94fd 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_ICCSENSE_H__
 #define __NVKM_ICCSENSE_H__
 
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
index 40f845e31272..91126fd29222 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_INSTMEM_H__
 #define __NVKM_INSTMEM_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h
index cd755baf9cab..63b7ad1f9ce2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_LTC_H__
 #define __NVKM_LTC_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h
index 58f10890c3b6..61c93c86e2e2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MC_H__
 #define __NVKM_MC_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index dcd3deff27a4..0fdfc610ceb3 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MMU_H__
 #define __NVKM_MMU_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h
index ed0250139dae..0fd6d6f8eada 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MXM_H__
 #define __NVKM_MXM_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
index ac2a695963c1..23803cc859fd 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PCI_H__
 #define __NVKM_PCI_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
index e7f04732a425..4bc9384046c6 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PMU_H__
 #define __NVKM_PMU_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h
index 1bfd93b85575..98fe1d0fd592 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_THERM_H__
 #define __NVKM_THERM_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h
index ff0709652f80..e9b0746826ca 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_TIMER_H__
 #define __NVKM_TIMER_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h
index d23209b62c25..f7d3eb647e2e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_TOP_H__
 #define __NVKM_TOP_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h
index ce5636fe2a66..312933ad7c2b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_VGA_H__
 #define __NOUVEAU_VGA_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
index 08ef9983c643..8a0f85f5fc1a 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_VOLT_H__
 #define __NVKM_VOLT_H__
 #include <core/subdev.h>
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.h b/drivers/gpu/drm/nouveau/nouveau_abi16.h
index 841cc556fad8..441100aa2320 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.h
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_ABI16_H__
 #define __NOUVEAU_ABI16_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 7459ef9943ec..5ffcb6683776 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.h b/drivers/gpu/drm/nouveau/nouveau_acpi.h
index 2f03653aff86..b86294fc99e8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.h
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_ACPI_H__
 #define __NOUVEAU_ACPI_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h
index b06a5385d6dd..4caade5dee50 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_BO_H__
 #define __NOUVEAU_BO_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.h b/drivers/gpu/drm/nouveau/nouveau_chan.h
index 46b947ba1cf4..9463a78613cb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.h
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_CHAN_H__
 #define __NOUVEAU_CHAN_H__
 #include <nvif/object.h>
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
index b799f8dfb2b2..1d01a82d4b6f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.h
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_DEBUGFS_H__
 #define __NOUVEAU_DEBUGFS_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h
index 201aec2ea5b8..34cd144681b9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.h
+++ b/drivers/gpu/drm/nouveau/nouveau_display.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_DISPLAY_H__
 #define __NOUVEAU_DISPLAY_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 822fe1d4d35e..77dea95c1bf1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_DRV_H__
 #define __NOUVEAU_DRV_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h
index d5e58a38f160..c9b399ad89e6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_FENCE_H__
 #define __NOUVEAU_FENCE_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h
index 8fa6ed9ddd3a..0456c94a5d4d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_GEM_H__
 #define __NOUVEAU_GEM_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_ioctl.h b/drivers/gpu/drm/nouveau/nouveau_ioctl.h
index 3b9f2e5463a7..380ede26806c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ioctl.h
+++ b/drivers/gpu/drm/nouveau/nouveau_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_IOCTL_H__
 #define __NOUVEAU_IOCTL_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h
index 7226f1f60901..b5b5fe40779d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #define NV04_PFB_BOOT_0						0x00100000
 #	define NV04_PFB_BOOT_0_RAM_AMOUNT			0x00000003
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index b7ab268f7d6f..fde11ce466e4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pagemap.h>
 #include <linux/slab.h>
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.h b/drivers/gpu/drm/nouveau/nouveau_ttm.h
index 25b0de413352..96082b696420 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_TTM_H__
 #define __NOUVEAU_TTM_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.h b/drivers/gpu/drm/nouveau/nouveau_usif.h
index c037e3ae8c70..c68f1c65af3b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_usif.h
+++ b/drivers/gpu/drm/nouveau/nouveau_usif.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_USIF_H__
 #define __NOUVEAU_USIF_H__
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index 48393a4f6331..52e52a360fb1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/vgaarb.h>
 #include <linux/vga_switcheroo.h>
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.h b/drivers/gpu/drm/nouveau/nouveau_vga.h
index ea3ad6974c65..6a3000c88142 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.h
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NOUVEAU_VGA_H__
 #define __NOUVEAU_VGA_H__
 
diff --git a/drivers/gpu/drm/nouveau/nv10_fence.h b/drivers/gpu/drm/nouveau/nv10_fence.h
index b7a508585304..7616c66803f8 100644
--- a/drivers/gpu/drm/nouveau/nv10_fence.h
+++ b/drivers/gpu/drm/nouveau/nv10_fence.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV10_FENCE_H_
 #define __NV10_FENCE_H_
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h
index d9ca9636a3e3..da130f5058e5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf100_ce_data[] = {
 /* 0x0000: ctx_object */
 	0x00000000,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h
index f0a1cf31c7ca..0b92eb32598d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gt215_ce_data[] = {
 /* 0x0000: ctx_object */
 	0x00000000,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
index 2dce405976ad..0e3d08f11b0b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CE_PRIV_H__
 #define __NVKM_CE_PRIV_H__
 #include <engine/ce.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h
index 1bbe76e0740a..6a62021e9861 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_ACPI_H__
 #define __NVKM_DEVICE_ACPI_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h
index 20249d8e444d..f279162f48c6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_CTRL_H__
 #define __NVKM_DEVICE_CTRL_H__
 #define nvkm_control(p) container_of((p), struct nvkm_control, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
index 6c16f3835f44..08d0bf605722 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVICE_PRIV_H__
 #define __NVKM_DEVICE_PRIV_H__
 #include <core/device.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h
index 737b38f6fbd2..5701b3221a54 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_DISP_CHAN_H__
 #define __NV50_DISP_CHAN_H__
 #define nv50_disp_chan(p) container_of((p), struct nv50_disp_chan, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h
index de962b7b026d..090e869ae612 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_CONN_H__
 #define __NVKM_DISP_CONN_H__
 #include <engine/disp.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h
index ea4a0d062e31..f9b98211da6a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_DISP_DMAC_H__
 #define __NV50_DISP_DMAC_H__
 #define nv50_disp_dmac(p) container_of((p), struct nv50_disp_dmac, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h
index 59173c290525..495f665a0ee6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_DP_H__
 #define __NVKM_DISP_DP_H__
 #define nvkm_dp(p) container_of((p), struct nvkm_dp, outp)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c
index e82c68f18444..d131cca999dd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "hdmi.h"
 
 void pack_hdmi_infoframe(struct packed_hdmi_infoframe *packed_frame,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h
index 528f5621a496..45094c6e1425 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_HDMI_H__
 #define __NVKM_DISP_HDMI_H__
 #include "ior.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
index b04c49d2eeeb..57030b3a4a75 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_HEAD_H__
 #define __NVKM_DISP_HEAD_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
index a1e8bf48b778..cd6dd8742dc6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_IOR_H__
 #define __NVKM_DISP_IOR_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
index 6ea19466f436..eb0b8acb1c5b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_DISP_H__
 #define __NV50_DISP_H__
 #define nv50_disp(p) container_of((p), struct nv50_disp, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h
index 146d101d4891..ea84d7d5741a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_OUTP_H__
 #define __NVKM_DISP_OUTP_H__
 #include <engine/disp.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
index 5772f0094129..6c9bfff6d043 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DISP_PRIV_H__
 #define __NVKM_DISP_PRIV_H__
 #include <engine/disp.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
index b147cf5b3518..4818fa69ae6c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_DISP_ROOT_H__
 #define __NV50_DISP_ROOT_H__
 #define nv50_disp_root(p) container_of((p), struct nv50_disp_root, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h
index deb37ee55c0b..4307cbecd5c5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DMA_PRIV_H__
 #define __NVKM_DMA_PRIV_H__
 #define nvkm_dma(p) container_of((p), struct nvkm_dma, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h
index 69a7f1034024..4bbac8a21c71 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DMA_USER_H__
 #define __NVKM_DMA_USER_H__
 #define nvkm_dmaobj(p) container_of((p), struct nvkm_dmaobj, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
index d8019bdacd61..3ffef236189e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FIFO_CHAN_H__
 #define __NVKM_FIFO_CHAN_H__
 #define nvkm_fifo_chan(p) container_of((p), struct nvkm_fifo_chan, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
index 7d697e2dce1a..27002caba420 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GF100_FIFO_CHAN_H__
 #define __GF100_FIFO_CHAN_H__
 #define gf100_fifo_chan(p) container_of((p), struct gf100_fifo_chan, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
index 230f64e5f731..ec10be2984a9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GK104_FIFO_CHAN_H__
 #define __GK104_FIFO_CHAN_H__
 #define gk104_fifo_chan(p) container_of((p), struct gk104_fifo_chan, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
index 3361a1fd0343..15b06bdf5067 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_FIFO_CHAN_H__
 #define __NV04_FIFO_CHAN_H__
 #define nv04_fifo_chan(p) container_of((p), struct nv04_fifo_chan, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
index 4b9da469b704..ad9aa157e078 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_FIFO_CHAN_H__
 #define __NV50_FIFO_CHAN_H__
 #define nv50_fifo_chan(p) container_of((p), struct nv50_fifo_chan, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
index 70db58eab9c3..571a6edb3f97 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GF100_FIFO_H__
 #define __GF100_FIFO_H__
 #define gf100_fifo(p) container_of((p), struct gf100_fifo, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
index 44bff98d6725..0506c5290936 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GK104_FIFO_H__
 #define __GK104_FIFO_H__
 #define gk104_fifo(p) container_of((p), struct gk104_fifo, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
index 03f60004bf7c..1d70542553cc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_FIFO_H__
 #define __NV04_FIFO_H__
 #define nv04_fifo(p) container_of((p), struct nv04_fifo, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
index 8ab53948cbb4..a3994e8db462 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_FIFO_H__
 #define __NV50_FIFO_H__
 #define nv50_fifo(p) container_of((p), struct nv50_fifo, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
index f889b13b5e41..ae76b1aaccd4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FIFO_PRIV_H__
 #define __NVKM_FIFO_PRIV_H__
 #define nvkm_fifo(p) container_of((p), struct nvkm_fifo, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h
index 92d56221197b..49892a5e7201 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_FIFO_REGS_H__
 #define __NV04_FIFO_REGS_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h
index 017180d147cf..2812ca511c9c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GRCTX_NVC0_H__
 #define __NVKM_GRCTX_NVC0_H__
 #include "gf100.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
index 50e808e9f926..4d67d90261b8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GRCTX_H__
 #define __NVKM_GRCTX_H__
 #include <core/gpuobj.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h
index 12a703fe355d..0323acb739c8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf100_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x00000064,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h
index ffbfc51200f1..1bb265917915 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf117_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x0000006c,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h
index 357f662de571..cf8343a693ba 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk104_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x0000006c,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h
index 4ffc8212a85c..f4bfa109ed27 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk110_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x0000006c,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h
index 09196206c9bc..59a3e1b2927f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk208_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x0000006c,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h
index 6d7d004363d9..8daa0516704a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gm107_grgpc_data[] = {
 /* 0x0000: gpc_mmio_list_head */
 	0x0000006c,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h
index 7538404b8b13..cbf2351f8da8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf100_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h
index ce000a47ec6d..70830036ffee 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf117_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h
index 1f26cb6a233c..7f2fd84d0c3a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk104_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h
index 70436d93efe3..560063789de8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk110_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h
index e0933a07426a..71e85784b615 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk208_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h
index 9b432823bcbe..d85eac6d1c61 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gm107_grhub_data[] = {
 /* 0x0000: hub_mmio_list_head */
 	0x00000300,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h
index 1718ae4e8224..f87693809c9f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GRAPH_OS_H__
 #define __NVKM_GRAPH_OS_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
index d7c3d86cc99d..d5a376c4dd0b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV10_GR_H__
 #define __NV10_GR_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
index d1dc92999dc0..df2cd864147c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h
index cdf4501e3798..ad7e53bb7c23 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV20_GR_H__
 #define __NV20_GR_H__
 #define nv20_gr(p) container_of((p), struct nv20_gr, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
index 6c4a00819b4b..e59a28a26d65 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
index 3cad26dbc2b1..e113b2d4c811 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
index b4e3c50badc7..4aac2c224874 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
index e7ed04b935cd..301556503e93 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
index 5e8abacbacc6..5d6926611a5b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "nv20.h"
 #include "regs.h"
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
index 2812ed11f877..89b773233ac5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV40_GR_H__
 #define __NV40_GR_H__
 #define nv40_gr(p) container_of((p), struct nv40_gr, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
index 45eec83a5969..567fa4f3e518 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_GR_H__
 #define __NV50_GR_H__
 #define nv50_gr(p) container_of((p), struct nv50_gr, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
index 2a52d9f026ec..66359c23cbce 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GR_PRIV_H__
 #define __NVKM_GR_PRIV_H__
 #define nvkm_gr(p) container_of((p), struct nvkm_gr, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h
index 90a9873ce522..dc4f936675ac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GR_REGS_H__
 #define __NVKM_GR_REGS_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
index d3bb34fcdebf..1ac2b4558bec 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV31_MPEG_H__
 #define __NV31_MPEG_H__
 #define nv31_mpeg(p) container_of((p), struct nv31_mpeg, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
index d5753103ff63..26f9d14151e2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MPEG_PRIV_H__
 #define __NVKM_MPEG_PRIV_H__
 #include <engine/mpeg.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h
index d518af4bc9de..db305072a82f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSPDEC_PRIV_H__
 #define __NVKM_MSPDEC_PRIV_H__
 #include <engine/mspdec.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h
index 37a91f9d9181..7708e52c9043 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSPPP_PRIV_H__
 #define __NVKM_MSPPP_PRIV_H__
 #include <engine/msppp.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h
index 9dc1da67d929..66c36049abca 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MSVLD_PRIV_H__
 #define __NVKM_MSVLD_PRIV_H__
 #include <engine/msvld.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h
index 353b94f51205..6c300739f621 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_NVDEC_PRIV_H__
 #define __NVKM_NVDEC_PRIV_H__
 #include <engine/nvdec.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
index 56d0344853ea..c74fd4557d41 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PM_NVC0_H__
 #define __NVKM_PM_NVC0_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h
index da481abe8f7a..3f37b713936c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PM_NV40_H__
 #define __NVKM_PM_NV40_H__
 #define nv40_pm(p) container_of((p), struct nv40_pm, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h
index d7b81cbf82b5..17240d54b1eb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PM_PRIV_H__
 #define __NVKM_PM_PRIV_H__
 #define nvkm_pm(p) container_of((p), struct nvkm_pm, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h b/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h
index 4b57f8814560..6278a0c5fe83 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t g98_sec_data[] = {
 /* 0x0000: ctx_dma */
 /* 0x0000: ctx_dma_query */
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h
index 7ecc9d4724dc..2f97c806a79d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SEC2_PRIV_H__
 #define __NVKM_SEC2_PRIV_H__
 #include <engine/sec2.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
index 6608bf6c6842..b1fa69314e4a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SW_CHAN_H__
 #define __NVKM_SW_CHAN_H__
 #define nvkm_sw_chan(p) container_of((p), struct nvkm_sw_chan, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h
index 25cdfdef2d46..459afd30a484 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SW_NV50_H__
 #define __NVKM_SW_NV50_H__
 #define nv50_sw_chan(p) container_of((p), struct nv50_sw_chan, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h
index 943ef4c10091..7050a9e49db1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_NVSW_H__
 #define __NVKM_NVSW_H__
 #define nvkm_nvsw(p) container_of((p), struct nvkm_nvsw, object)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
index 0ef1318dc2fd..4aca1791abc3 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_SW_PRIV_H__
 #define __NVKM_SW_PRIV_H__
 #define nvkm_sw(p) container_of((p), struct nvkm_sw, engine)
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h b/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h
index 97b56f759d0b..d515ad994199 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FALCON_PRIV_H__
 #define __NVKM_FALCON_PRIV_H__
 #include <engine/falcon.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
index 20a5255362ba..9accd7923788 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GF100_BAR_H__
 #define __GF100_BAR_H__
 #define gf100_bar(p) container_of((p), struct gf100_bar, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
index 1eb764f22a49..ce9ab9110b08 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_BAR_H__
 #define __NV50_BAR_H__
 #define nv50_bar(p) container_of((p), struct nv50_bar, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
index d834ef20db5b..63d111c8afd4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BAR_PRIV_H__
 #define __NVKM_BAR_PRIV_H__
 #define nvkm_bar(p) container_of((p), struct nvkm_bar, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
index 7d1d3c6b4b72..33435ca16311 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BIOS_PRIV_H__
 #define __NVKM_BIOS_PRIV_H__
 #define nvkm_bios(p) container_of((p), struct nvkm_bios, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h
index 54ec3b131dfd..17ac1812a928 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BUS_HWSQ_H__
 #define __NVKM_BUS_HWSQ_H__
 #include <subdev/bus.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h
index a130f2c642d5..ef01e569352d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_BUS_PRIV_H__
 #define __NVKM_BUS_PRIV_H__
 #define nvkm_bus(p) container_of((p), struct nvkm_bus, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h
index 8865b59fe575..1ea886a4301f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CLK_NVA3_H__
 #define __NVKM_CLK_NVA3_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h
index d3c7fb6efa16..f134d979d884 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_CLK_H__
 #define __NV50_CLK_H__
 #define nv50_clk(p) container_of((p), struct nv50_clk, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h
index 44020a30dee8..9a39f1fd2976 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PLL_H__
 #define __NVKM_PLL_H__
 #include <core/os.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h
index 51eafc00c8b1..b656177923fb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CLK_PRIV_H__
 #define __NVKM_CLK_PRIV_H__
 #define nvkm_clk(p) container_of((p), struct nvkm_clk, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h
index d717e8b8f679..d0715fe84328 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_CLK_SEQ_H__
 #define __NVKM_CLK_SEQ_H__
 #include <subdev/bus/hwsq.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h
index 4a87c8c2bce8..b18e49847eee 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_DEVINIT_H__
 #define __NV04_DEVINIT_H__
 #define nv04_devinit(p) container_of((p), struct nv04_devinit, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
index 25d2ae3af1c6..315ebaff1165 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV50_DEVINIT_H__
 #define __NV50_DEVINIT_H__
 #define nv50_devinit(p) container_of((p), struct nv50_devinit, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h
index e1f6ae58f1d3..5b3097a586dd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_DEVINIT_PRIV_H__
 #define __NVKM_DEVINIT_PRIV_H__
 #define nvkm_devinit(p) container_of((p), struct nvkm_devinit, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h
index 412eb89834e8..1756f7b02858 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_RAM_NVC0_H__
 #define __NVKM_RAM_NVC0_H__
 #define gf100_fb(p) container_of((p), struct gf100_fb, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h
index faa88c8c66fe..a37758c76268 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FB_NV50_H__
 #define __NVKM_FB_NV50_H__
 #define nv50_fb(p) container_of((p), struct nv50_fb, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
index e905d44fa1d5..8e87b887d4f5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FB_PRIV_H__
 #define __NVKM_FB_PRIV_H__
 #define nvkm_fb(p) container_of((p), struct nvkm_fb, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
index fac7e73c3ddf..b2122d261f8d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FB_RAM_PRIV_H__
 #define __NVKM_FB_RAM_PRIV_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h
index 9ef9d6aa3721..a65fa5586af8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FBRAM_FUC_H__
 #define __NVKM_FBRAM_FUC_H__
 #include <subdev/fb.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h
index 8a0524566b48..8549fdf2437c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV40_FB_RAM_H__
 #define __NV40_FB_RAM_H__
 #define nv40_ram(p) container_of((p), struct nv40_ram, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h
index 8df7306d5729..d8f5053e8e2a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FBRAM_SEQ_H__
 #define __NVKM_FBRAM_SEQ_H__
 #include <subdev/bus/hwsq.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h
index 1f865f61504e..ad26fcbe9e06 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FB_REGS_04_H__
 #define __NVKM_FB_REGS_04_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
index b0390b540ef5..3a5595a9e457 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_FUSE_PRIV_H__
 #define __NVKM_FUSE_PRIV_H__
 #define nvkm_fuse(p) container_of((p), struct nvkm_fuse, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
index 371bcdbbe0d6..9759f13447bf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_GPIO_PRIV_H__
 #define __NVKM_GPIO_PRIV_H__
 #define nvkm_gpio(p) container_of((p), struct nvkm_gpio, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
index 9587ab456d9e..7d56c4ba693c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_I2C_AUX_H__
 #define __NVKM_I2C_AUX_H__
 #include "pad.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h
index e1be14c23e54..bea0dd33961e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_I2C_BUS_H__
 #define __NVKM_I2C_BUS_H__
 #include "pad.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h
index 316c4536f29a..33f0c809e583 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_I2C_PAD_H__
 #define __NVKM_I2C_PAD_H__
 #include <subdev/i2c.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
index bf655a66ef40..f476a69b6cb7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_I2C_PRIV_H__
 #define __NVKM_I2C_PRIV_H__
 #define nvkm_i2c(p) container_of((p), struct nvkm_i2c, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h
index 01caf798cf31..504a6d37ec50 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_IBUS_PRIV_H__
 #define __NVKM_IBUS_PRIV_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h
index e90e0f6ed008..bd599b8252ca 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_ICCSENSE_PRIV_H__
 #define __NVKM_ICCSENSE_PRIV_H__
 #define nvkm_iccsense(p) container_of((p), struct nvkm_iccsense, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h
index ace4471864a3..021e7a1f39a1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_INSTMEM_PRIV_H__
 #define __NVKM_INSTMEM_PRIV_H__
 #define nvkm_instmem(p) container_of((p), struct nvkm_instmem, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h
index 8b95f96e3ffa..e71cc25cc775 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_LTC_PRIV_H__
 #define __NVKM_LTC_PRIV_H__
 #define nvkm_ltc(p) container_of((p), struct nvkm_ltc, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
index 3be4126441e4..8869d79c2b59 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MC_PRIV_H__
 #define __NVKM_MC_PRIV_H__
 #define nvkm_mc(p) container_of((p), struct nvkm_mc, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h
index 363e33b296d5..9c35c43635c2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV04_MMU_PRIV__
 #define __NV04_MMU_PRIV__
 #define nv04_mmu(p) container_of((p), struct nv04_mmu, base)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
index 27cedc60b507..bf37f313b5bb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MMU_PRIV_H__
 #define __NVKM_MMU_PRIV_H__
 #define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h
index 333e0c01545a..011a67fe4a8b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVMXM_MXMS_H__
 #define __NVMXM_MXMS_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h
index 7d970157aed1..6767c2279e7c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_MXM_PRIV_H__
 #define __NVKM_MXM_PRIV_H__
 #define nvkm_mxm(p) container_of((p), struct nvkm_mxm, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h
index df2dd08363ad..edb7f00f0de5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "priv.h"
 #if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))
 #ifndef __NVKM_PCI_AGP_H__
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
index 86921ec962d6..c17f6063c9ea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PCI_PRIV_H__
 #define __NVKM_PCI_PRIV_H__
 #define nvkm_pci(p) container_of((p), struct nvkm_pci, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h
index 0bcf0b307a61..53d01fb00a8b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf100_pmu_data[] = {
 /* 0x0000: proc_kern */
 	0x52544e49,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h
index fe8905666c67..e1e981966c2d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gf119_pmu_data[] = {
 /* 0x0000: proc_kern */
 	0x52544e49,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h
index 9cf4e6fc724e..c4edbc79e41a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gk208_pmu_data[] = {
 /* 0x0000: proc_kern */
 	0x52544e49,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h
index 5d692425b190..6a2572e8945a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static uint32_t gt215_pmu_data[] = {
 /* 0x0000: proc_kern */
 	0x52544e49,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h
index c8b06cb77e72..30d9480b9be5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PWR_OS_H__
 #define __NVKM_PWR_OS_H__
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c
index e6f74168238c..11b28b086a06 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef __NVKM_PMU_MEMX_H__
 #define __NVKM_PMU_MEMX_H__
 #include "priv.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h
index a4c48a10cd47..e9c6f9725afe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_PMU_PRIV_H__
 #define __NVKM_PMU_PRIV_H__
 #define nvkm_pmu(p) container_of((p), struct nvkm_pmu, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h
index f820ca2aeda4..3b8878486faa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_TIMER_PRIV_H__
 #define __NVKM_TIMER_PRIV_H__
 #define nvkm_timer(p) container_of((p), struct nvkm_timer, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h
index 10bef85b485e..23d07f5f44d9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define NV04_PTIMER_INTR_0      0x009100
 #define NV04_PTIMER_INTR_EN_0   0x009140
 #define NV04_PTIMER_NUMERATOR   0x009200
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h
index adb3ed03d937..4f49b0acaa0e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_TOP_PRIV_H__
 #define __NVKM_TOP_PRIV_H__
 #define nvkm_top(p) container_of((p), struct nvkm_top, subdev)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h
index 354bafe4b4e2..1a8ad560321b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVKM_VOLT_PRIV_H__
 #define __NVKM_VOLT_PRIV_H__
 #define nvkm_volt(p) container_of((p), struct nvkm_volt, subdev)
diff --git a/drivers/gpu/drm/omapdrm/Makefile b/drivers/gpu/drm/omapdrm/Makefile
index b391be7ecb6c..f115253115c5 100644
--- a/drivers/gpu/drm/omapdrm/Makefile
+++ b/drivers/gpu/drm/omapdrm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI)
diff --git a/drivers/gpu/drm/omapdrm/displays/Makefile b/drivers/gpu/drm/omapdrm/displays/Makefile
index 46baafb1a83e..d99659e1381b 100644
--- a/drivers/gpu/drm/omapdrm/displays/Makefile
+++ b/drivers/gpu/drm/omapdrm/displays/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DRM_OMAP_ENCODER_OPA362) += encoder-opa362.o
 obj-$(CONFIG_DRM_OMAP_ENCODER_TFP410) += encoder-tfp410.o
 obj-$(CONFIG_DRM_OMAP_ENCODER_TPD12S015) += encoder-tpd12s015.o
diff --git a/drivers/gpu/drm/omapdrm/dss/Makefile b/drivers/gpu/drm/omapdrm/dss/Makefile
index 142ce5a02542..62d5b4f45420 100644
--- a/drivers/gpu/drm/omapdrm/dss/Makefile
+++ b/drivers/gpu/drm/omapdrm/dss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OMAP2_DSS_INIT) += omapdss-boot-init.o
 
 obj-$(CONFIG_OMAP_DSS_BASE) += omapdss-base.o
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_common.c b/drivers/gpu/drm/omapdrm/dss/hdmi_common.c
index 4dfb67fe5f6d..3ecde23ac604 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_common.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #define DSS_SUBSYS_NAME "HDMI"
 
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 9f6610d08b00..d73d3e661cec 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
 obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
 obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o
diff --git a/drivers/gpu/drm/pl111/Makefile b/drivers/gpu/drm/pl111/Makefile
index 59483d610ef5..f2874bbdaa14 100644
--- a/drivers/gpu/drm/pl111/Makefile
+++ b/drivers/gpu/drm/pl111/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 pl111_drm-y +=	pl111_connector.o \
 		pl111_display.o \
 		pl111_drv.o
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index 4acbb944bcd2..0ad8244b5ccf 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
index b928c17bdeed..c21d8fa591ef 100644
--- a/drivers/gpu/drm/radeon/mkregtable.c
+++ b/drivers/gpu/drm/radeon/mkregtable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* utility to create the register check tables
  * this includes inlined list.h safe for userspace.
  *
diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h
index eb40888bdfcc..ad16a925f8d5 100644
--- a/drivers/gpu/drm/radeon/r100_track.h
+++ b/drivers/gpu/drm/radeon/r100_track.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #define R100_TRACK_MAX_TEXTURE 3
 #define R200_TRACK_MAX_TEXTURE 6
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index ebdf1b859cb6..2917ea1b667e 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <drm/drmP.h>
 #include <drm/drm_dp_mst_helper.h>
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_tv.c b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
index 49750d07ab7d..611cf934b211 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_tv.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include "radeon.h"
diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
index fdce4062901f..db8f079e441e 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_RADEON_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _RADEON_TRACE_H_
 
diff --git a/drivers/gpu/drm/radeon/radeon_trace_points.c b/drivers/gpu/drm/radeon/radeon_trace_points.c
index e51d3575976b..66b3d5084662 100644
--- a/drivers/gpu/drm/radeon/radeon_trace_points.c
+++ b/drivers/gpu/drm/radeon/radeon_trace_points.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Copyright Red Hat Inc 2010.
  * Author : Dave Airlie <airlied@redhat.com>
  */
diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile
index 2131e722de3b..0cf5c11030e8 100644
--- a/drivers/gpu/drm/rcar-du/Makefile
+++ b/drivers/gpu/drm/rcar-du/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rcar-du-drm-y := rcar_du_crtc.o \
 		 rcar_du_drv.o \
 		 rcar_du_encoder.o \
diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
index fa8dc9d9aac2..305409818ffb 100644
--- a/drivers/gpu/drm/rockchip/Makefile
+++ b/drivers/gpu/drm/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/selftests/drm_mm_selftests.h b/drivers/gpu/drm/selftests/drm_mm_selftests.h
index 37bbdac52896..54acc117550c 100644
--- a/drivers/gpu/drm/selftests/drm_mm_selftests.h
+++ b/drivers/gpu/drm/selftests/drm_mm_selftests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* List each unit test as selftest(name, function)
  *
  * The name is used as both an enum and expanded as igt__name to create
diff --git a/drivers/gpu/drm/shmobile/Makefile b/drivers/gpu/drm/shmobile/Makefile
index 4c3eeb355630..861edafed856 100644
--- a/drivers/gpu/drm/shmobile/Makefile
+++ b/drivers/gpu/drm/shmobile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 shmob-drm-y := shmob_drm_backlight.o \
 	       shmob_drm_crtc.o \
 	       shmob_drm_drv.o \
diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
index c35db12435c3..f203ac5514ae 100644
--- a/drivers/gpu/drm/sti/Makefile
+++ b/drivers/gpu/drm/sti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 sti-drm-y := \
 	sti_mixer.o \
 	sti_gdp.o \
diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile
index 43c753cafc88..55b32368f8fb 100644
--- a/drivers/gpu/drm/sun4i/Makefile
+++ b/drivers/gpu/drm/sun4i/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 sun4i-drm-y += sun4i_drv.o
 sun4i-drm-y += sun4i_framebuffer.o
 
diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile
index 8927784396e8..46d65d39214d 100644
--- a/drivers/gpu/drm/tegra/Makefile
+++ b/drivers/gpu/drm/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG
 
 tegra-drm-y := \
diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile
index 55ebd516728f..b9e1108e5b4e 100644
--- a/drivers/gpu/drm/tilcdc/Makefile
+++ b/drivers/gpu/drm/tilcdc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq (, $(findstring -W,$(EXTRA_CFLAGS)))
 	ccflags-y += -Werror
 endif
diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile
index 4d0c938ff4b2..a60e560804e0 100644
--- a/drivers/gpu/drm/ttm/Makefile
+++ b/drivers/gpu/drm/ttm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 
diff --git a/drivers/gpu/drm/vc4/Makefile b/drivers/gpu/drm/vc4/Makefile
index 25bd5d30415d..837c82757339 100644
--- a/drivers/gpu/drm/vc4/Makefile
+++ b/drivers/gpu/drm/vc4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Please keep these build lists sorted!
 
 # core driver code
diff --git a/drivers/gpu/drm/virtio/Makefile b/drivers/gpu/drm/virtio/Makefile
index 7684f613bdc3..f29deec83d1f 100644
--- a/drivers/gpu/drm/virtio/Makefile
+++ b/drivers/gpu/drm/virtio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
diff --git a/drivers/gpu/drm/vmwgfx/Makefile b/drivers/gpu/drm/vmwgfx/Makefile
index a365330bbb82..ad80211e1098 100644
--- a/drivers/gpu/drm/vmwgfx/Makefile
+++ b/drivers/gpu/drm/vmwgfx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
 	    vmwgfx_fb.o vmwgfx_ioctl.o vmwgfx_resource.o vmwgfx_buffer.o \
 	    vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \
diff --git a/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h b/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h
index 120eab830eaf..3a195e8106b3 100644
--- a/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h
+++ b/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VM_BASIC_TYPES_H_
 #define _VM_BASIC_TYPES_H_
 #include <linux/kernel.h>
diff --git a/drivers/gpu/drm/zte/Makefile b/drivers/gpu/drm/zte/Makefile
index 9df7766a7f9d..b6d966d849dd 100644
--- a/drivers/gpu/drm/zte/Makefile
+++ b/drivers/gpu/drm/zte/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 zxdrm-y := \
 	zx_drm_drv.o \
 	zx_hdmi.o \
diff --git a/drivers/gpu/host1x/Makefile b/drivers/gpu/host1x/Makefile
index a1d9974cfcb5..c0b80244158d 100644
--- a/drivers/gpu/host1x/Makefile
+++ b/drivers/gpu/host1x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 host1x-y = \
 	bus.o \
 	syncpt.o \
diff --git a/drivers/gpu/ipu-v3/Makefile b/drivers/gpu/ipu-v3/Makefile
index 8cdf9e4ae772..7cc8b47e488b 100644
--- a/drivers/gpu/ipu-v3/Makefile
+++ b/drivers/gpu/ipu-v3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IMX_IPUV3_CORE) += imx-ipu-v3.o
 
 imx-ipu-v3-objs := ipu-common.o ipu-cpmem.o ipu-csi.o ipu-dc.o ipu-di.o \
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 8659d7e633a5..235bd2a7b333 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the HID driver
 #
diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h
index 10dd8f024135..3d8902ba1c6c 100644
--- a/drivers/hid/hid-lg.h
+++ b/drivers/hid/hid-lg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HID_LG_H
 #define __HID_LG_H
 
diff --git a/drivers/hid/hid-lg4ff.h b/drivers/hid/hid-lg4ff.h
index de1f350e0bd3..e5c55d515ac2 100644
--- a/drivers/hid/hid-lg4ff.h
+++ b/drivers/hid/hid-lg4ff.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HID_LG4FF_H
 #define __HID_LG4FF_H
 
diff --git a/drivers/hid/intel-ish-hid/Makefile b/drivers/hid/intel-ish-hid/Makefile
index 8c08b0b358b1..825b70af672f 100644
--- a/drivers/hid/intel-ish-hid/Makefile
+++ b/drivers/hid/intel-ish-hid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel ISH HID drivers
 # Copyright (c) 2014-2016, Intel Corporation.
diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile
index 890f2914a8ff..0ff227d0c033 100644
--- a/drivers/hid/usbhid/Makefile
+++ b/drivers/hid/usbhid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the USB input drivers
 #
diff --git a/drivers/hsi/Makefile b/drivers/hsi/Makefile
index 96944783d584..53c3bcdbf1b0 100644
--- a/drivers/hsi/Makefile
+++ b/drivers/hsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for HSI
 #
diff --git a/drivers/hv/Makefile b/drivers/hv/Makefile
index 39c9b2c08d33..e7b1d796ba2e 100644
--- a/drivers/hv/Makefile
+++ b/drivers/hv/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_HYPERV)		+= hv_vmbus.o
 obj-$(CONFIG_HYPERV_UTILS)	+= hv_utils.o
 obj-$(CONFIG_HYPERV_BALLOON)	+= hv_balloon.o
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index c84d9784be98..23e195a5a2f3 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for sensor chip drivers.
 #
diff --git a/drivers/hwmon/adt7x10.h b/drivers/hwmon/adt7x10.h
index d491c698529e..21ad15ce3163 100644
--- a/drivers/hwmon/adt7x10.h
+++ b/drivers/hwmon/adt7x10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HWMON_ADT7X10_H__
 #define __HWMON_ADT7X10_H__
 
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
index 459a6be3390e..e9364420a512 100644
--- a/drivers/hwmon/pmbus/Makefile
+++ b/drivers/hwmon/pmbus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for PMBus chip drivers.
 #
diff --git a/drivers/hwspinlock/Makefile b/drivers/hwspinlock/Makefile
index 14928aa7cc5a..b87c01a506a4 100644
--- a/drivers/hwspinlock/Makefile
+++ b/drivers/hwspinlock/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Generic Hardware Spinlock framework
 #
diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile
index 5bae90ce794d..61db9dd0d571 100644
--- a/drivers/hwtracing/coresight/Makefile
+++ b/drivers/hwtracing/coresight/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for CoreSight drivers.
 #
diff --git a/drivers/hwtracing/intel_th/Makefile b/drivers/hwtracing/intel_th/Makefile
index 81d42fe918f7..880c9b5e8566 100644
--- a/drivers/hwtracing/intel_th/Makefile
+++ b/drivers/hwtracing/intel_th/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INTEL_TH)		+= intel_th.o
 intel_th-y			:= core.o
 intel_th-$(CONFIG_INTEL_TH_DEBUG) += debug.o
diff --git a/drivers/hwtracing/stm/Makefile b/drivers/hwtracing/stm/Makefile
index 3abd84ce13d4..effc19e5190f 100644
--- a/drivers/hwtracing/stm/Makefile
+++ b/drivers/hwtracing/stm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_STM)	+= stm_core.o
 
 stm_core-y		:= core.o policy.o
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 7bb65a4369e1..72c94c60fdd1 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the i2c core.
 #
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index 47f3ac9a695a..2ce8576540a2 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the i2c bus drivers.
 #
diff --git a/drivers/i2c/busses/i2c-octeon-core.h b/drivers/i2c/busses/i2c-octeon-core.h
index aa3c8f4771c1..a7ef19855bb8 100644
--- a/drivers/i2c/busses/i2c-octeon-core.h
+++ b/drivers/i2c/busses/i2c-octeon-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/atomic.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
diff --git a/drivers/i2c/muxes/Makefile b/drivers/i2c/muxes/Makefile
index 4a67d3199877..6d9d865e8518 100644
--- a/drivers/i2c/muxes/Makefile
+++ b/drivers/i2c/muxes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for multiplexer I2C chip drivers.
 
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 2a8c417d4081..9f617a77970f 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # link order is important here
 #
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 968038482d2f..7d4e5c08f133 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Provides ACPI support for IDE drives.
  *
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index eea60c986c4f..264e822eba58 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1996-98  Erik Andersen
  *  Copyright (C) 1998-2000 Jens Axboe
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 9d26c9737e21..2acca12b9c94 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cdrom.c IOCTLs handling for ide-cd driver.
  *
diff --git a/drivers/ide/ide-cd_verbose.c b/drivers/ide/ide-cd_verbose.c
index 58a6feb74c02..5ecd5b2f03a3 100644
--- a/drivers/ide/ide-cd_verbose.c
+++ b/drivers/ide/ide-cd_verbose.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Verbose error logging for ATAPI CD/DVD devices.
  *
diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c
index ef7c8c43a380..4e20747af32e 100644
--- a/drivers/ide/ide-devsets.c
+++ b/drivers/ide/ide-devsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/kernel.h>
 #include <linux/gfp.h>
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 241983da5fc4..188d1b03715d 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1994-1998	   Linus Torvalds & authors (see below)
  *  Copyright (C) 1998-2002	   Linux ATA Development
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index d511dab7c4aa..0e8cc18bfda6 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IDE_DISK_H
 #define __IDE_DISK_H
 
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index da36f729ff32..2c45616cff4f 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/ide.h>
 #include <linux/hdreg.h>
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 0d1fae6cba6d..82a36ced4e96 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/ide.h>
 #include <linux/slab.h>
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 3ddd88219906..5bd2aafc3753 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IDE ATAPI floppy driver.
  *
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index 6dd2beb48434..13c9b4b6d75e 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IDE_FLOPPY_H
 #define __IDE_FLOPPY_H
 
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index a22ca8467010..40a2ebe34e1d 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ide-floppy IOCTLs handling.
  */
diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c
index e7a25ea757df..471457ebea67 100644
--- a/drivers/ide/ide-floppy_proc.c
+++ b/drivers/ide/ide-floppy_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/ide.h>
diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
index 55970772bd04..af3fe1880e9e 100644
--- a/drivers/ide/ide-gd.h
+++ b/drivers/ide/ide-gd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IDE_GD_H
 #define __IDE_GD_H
 
diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c
index 1f264d5d3f3f..6465bcc7cea6 100644
--- a/drivers/ide/ide-park.c
+++ b/drivers/ide/ide-park.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/gfp.h>
 #include <linux/ide.h>
diff --git a/drivers/ide/ide-pio-blacklist.c b/drivers/ide/ide-pio-blacklist.c
index 40e683a84ff9..1fd24798e5c9 100644
--- a/drivers/ide/ide-pio-blacklist.c
+++ b/drivers/ide/ide-pio-blacklist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PIO blacklist.  Some drives incorrectly report their maximal PIO mode,
  * at least in respect to CMD640.  Here we keep info on some known drives.
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 544f02d673ca..dccdca9eda38 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/gfp.h>
 #include <linux/ide.h>
diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c
index 84a6a9e08d64..b9dfeb2e8bd6 100644
--- a/drivers/ide/ide-sysfs.c
+++ b/drivers/ide/ide-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/ide.h>
 
diff --git a/drivers/ide/qd65xx.h b/drivers/ide/qd65xx.h
index 1fba2a5f281c..01a43ab45e0e 100644
--- a/drivers/ide/qd65xx.h
+++ b/drivers/ide/qd65xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2000	Linus Torvalds & authors
  */
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index 93c769cd99bf..b16b2e9ddc40 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the industrial I/O core.
 #
diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile
index 31fba1974e95..703e7c21f547 100644
--- a/drivers/iio/accel/Makefile
+++ b/drivers/iio/accel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O accelerometer drivers
 #
diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h
index 38a8b11f8c19..ae6118ae11b1 100644
--- a/drivers/iio/accel/bmc150-accel.h
+++ b/drivers/iio/accel/bmc150-accel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BMC150_ACCEL_H_
 #define _BMC150_ACCEL_H_
 
diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
index 95e20855d2ef..98fbb628d5bd 100644
--- a/drivers/iio/accel/kxsd9-i2c.c
+++ b/drivers/iio/accel/kxsd9-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/drivers/iio/accel/kxsd9.h b/drivers/iio/accel/kxsd9.h
index 7e8a28168310..5e3ca212f5be 100644
--- a/drivers/iio/accel/kxsd9.h
+++ b/drivers/iio/accel/kxsd9.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/device.h>
 #include <linux/kernel.h>
 
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index 9874e05f52d7..9572c1090f35 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for IIO ADC drivers
 #
diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c
index 102fc51b10aa..47d24ae5462f 100644
--- a/drivers/iio/adc/qcom-vadc-common.c
+++ b/drivers/iio/adc/qcom-vadc-common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
diff --git a/drivers/iio/adc/qcom-vadc-common.h b/drivers/iio/adc/qcom-vadc-common.h
index 63c872a70adc..1d5354ff5c72 100644
--- a/drivers/iio/adc/qcom-vadc-common.h
+++ b/drivers/iio/adc/qcom-vadc-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Code shared between the different Qualcomm PMIC voltage ADCs
  */
diff --git a/drivers/iio/buffer/Makefile b/drivers/iio/buffer/Makefile
index 85beaae831ae..95f9f41c58b7 100644
--- a/drivers/iio/buffer/Makefile
+++ b/drivers/iio/buffer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the industrial I/O buffer implementations
 #
diff --git a/drivers/iio/common/Makefile b/drivers/iio/common/Makefile
index 6fa760e1bdd5..4bc30bb548e2 100644
--- a/drivers/iio/common/Makefile
+++ b/drivers/iio/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IIO common modules.
 # Common modules contains modules, which can be shared among multiple
diff --git a/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h b/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h
index 541c6590d69c..4528ab55eb68 100644
--- a/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h
+++ b/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SSP_IIO_SENSOR_H__
 #define __SSP_IIO_SENSOR_H__
 
diff --git a/drivers/iio/common/st_sensors/Makefile b/drivers/iio/common/st_sensors/Makefile
index 9f3e24f3024b..f7fb3b79b64c 100644
--- a/drivers/iio/common/st_sensors/Makefile
+++ b/drivers/iio/common/st_sensors/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the STMicroelectronics sensor common modules.
 #
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.h b/drivers/iio/common/st_sensors/st_sensors_core.h
index cd88098ff6f1..e8894be55660 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.h
+++ b/drivers/iio/common/st_sensors/st_sensors_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Local functions in the ST Sensors core
  */
diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile
index 603587cc2f07..993511ba4b17 100644
--- a/drivers/iio/dac/Makefile
+++ b/drivers/iio/dac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O DAC drivers
 #
diff --git a/drivers/iio/dummy/Makefile b/drivers/iio/dummy/Makefile
index 0765e93d7804..f14fe20f365c 100644
--- a/drivers/iio/dummy/Makefile
+++ b/drivers/iio/dummy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IIO Dummy Driver
 #
diff --git a/drivers/iio/dummy/iio_dummy_evgen.h b/drivers/iio/dummy/iio_dummy_evgen.h
index d044b946e74a..e0bf64fe9d67 100644
--- a/drivers/iio/dummy/iio_dummy_evgen.h
+++ b/drivers/iio/dummy/iio_dummy_evgen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IIO_DUMMY_EVGEN_H_
 #define _IIO_DUMMY_EVGEN_H_
 
diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile
index f0e149a606b0..295ec780c4eb 100644
--- a/drivers/iio/gyro/Makefile
+++ b/drivers/iio/gyro/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O gyroscope sensor drivers
 #
diff --git a/drivers/iio/gyro/bmg160.h b/drivers/iio/gyro/bmg160.h
index 72db723c8fb6..6bcff6562249 100644
--- a/drivers/iio/gyro/bmg160.h
+++ b/drivers/iio/gyro/bmg160.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BMG160_H_
 #define BMG160_H_
 
diff --git a/drivers/iio/gyro/mpu3050.h b/drivers/iio/gyro/mpu3050.h
index bef87a714dc5..835b0249c376 100644
--- a/drivers/iio/gyro/mpu3050.h
+++ b/drivers/iio/gyro/mpu3050.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/iio/iio.h>
 #include <linux/mutex.h>
 #include <linux/regmap.h>
diff --git a/drivers/iio/humidity/Makefile b/drivers/iio/humidity/Makefile
index be0dedeb8f3c..ae4204995017 100644
--- a/drivers/iio/humidity/Makefile
+++ b/drivers/iio/humidity/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for IIO humidity sensor drivers
 #
diff --git a/drivers/iio/imu/Makefile b/drivers/iio/imu/Makefile
index 8b563c3323b5..68629c68b19b 100644
--- a/drivers/iio/imu/Makefile
+++ b/drivers/iio/imu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Inertial Measurement Units
 #
diff --git a/drivers/iio/imu/adis16400_buffer.c b/drivers/iio/imu/adis16400_buffer.c
index 90c24a23c679..e70a5339acb1 100644
--- a/drivers/iio/imu/adis16400_buffer.c
+++ b/drivers/iio/imu/adis16400_buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
 #include <linux/kernel.h>
diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h
index d2ae6ed70271..e7b11e74fd1d 100644
--- a/drivers/iio/imu/bmi160/bmi160.h
+++ b/drivers/iio/imu/bmi160/bmi160.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BMI160_H_
 #define BMI160_H_
 
diff --git a/drivers/iio/imu/inv_mpu6050/Makefile b/drivers/iio/imu/inv_mpu6050/Makefile
index 734af5e6cef9..70ffe0d13d8c 100644
--- a/drivers/iio/imu/inv_mpu6050/Makefile
+++ b/drivers/iio/imu/inv_mpu6050/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Invensense MPU6050 device.
 #
diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
index fa32fa459e2e..c263469b7ce9 100644
--- a/drivers/iio/light/Makefile
+++ b/drivers/iio/light/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for IIO Light sensors
 #
diff --git a/drivers/iio/magnetometer/Makefile b/drivers/iio/magnetometer/Makefile
index b86d6cb7f285..664b2f866472 100644
--- a/drivers/iio/magnetometer/Makefile
+++ b/drivers/iio/magnetometer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O Magnetometer sensor drivers
 #
diff --git a/drivers/iio/magnetometer/bmc150_magn.h b/drivers/iio/magnetometer/bmc150_magn.h
index 9a8e26812ca8..3b69232afd2c 100644
--- a/drivers/iio/magnetometer/bmc150_magn.h
+++ b/drivers/iio/magnetometer/bmc150_magn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BMC150_MAGN_H_
 #define _BMC150_MAGN_H_
 
diff --git a/drivers/iio/potentiometer/Makefile b/drivers/iio/potentiometer/Makefile
index 2260d40e0936..1afd1e70f8cc 100644
--- a/drivers/iio/potentiometer/Makefile
+++ b/drivers/iio/potentiometer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O potentiometer drivers
 #
diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile
index 838642789389..c2058d7b2f93 100644
--- a/drivers/iio/pressure/Makefile
+++ b/drivers/iio/pressure/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O pressure drivers
 #
diff --git a/drivers/iio/pressure/bmp280-regmap.c b/drivers/iio/pressure/bmp280-regmap.c
index 6807113ec09f..08c00ac32bda 100644
--- a/drivers/iio/pressure/bmp280-regmap.c
+++ b/drivers/iio/pressure/bmp280-regmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/regmap.h>
diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h
index 61347438b779..eda50ef65706 100644
--- a/drivers/iio/pressure/bmp280.h
+++ b/drivers/iio/pressure/bmp280.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/regmap.h>
diff --git a/drivers/iio/proximity/Makefile b/drivers/iio/proximity/Makefile
index ed1b6f4cc209..ad6686391f08 100644
--- a/drivers/iio/proximity/Makefile
+++ b/drivers/iio/proximity/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for IIO proximity sensors
 #
diff --git a/drivers/iio/temperature/Makefile b/drivers/iio/temperature/Makefile
index ad1d668de546..34bd9023727b 100644
--- a/drivers/iio/temperature/Makefile
+++ b/drivers/iio/temperature/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O temperature drivers
 #
diff --git a/drivers/iio/trigger/Makefile b/drivers/iio/trigger/Makefile
index 0a72a2a76cb2..f3d11acb8a0b 100644
--- a/drivers/iio/trigger/Makefile
+++ b/drivers/iio/trigger/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for triggers not associated with iio-devices
 #
diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile
index b4df164f71a6..9c0a2b5c834e 100644
--- a/drivers/infiniband/core/Makefile
+++ b/drivers/infiniband/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS)	:= rdma_cm.o
 user_access-$(CONFIG_INFINIBAND_ADDR_TRANS)	:= rdma_ucm.o
 
diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile
index 34c93abf0fe0..e4f31c1be8f7 100644
--- a/drivers/infiniband/hw/Makefile
+++ b/drivers/infiniband/hw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_MTHCA)		+= mthca/
 obj-$(CONFIG_INFINIBAND_QIB)		+= qib/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= cxgb3/
diff --git a/drivers/infiniband/hw/bnxt_re/Makefile b/drivers/infiniband/hw/bnxt_re/Makefile
index afbaa0e20670..6e3bc25cc140 100644
--- a/drivers/infiniband/hw/bnxt_re/Makefile
+++ b/drivers/infiniband/hw/bnxt_re/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-y := -Idrivers/net/ethernet/broadcom/bnxt
 obj-$(CONFIG_INFINIBAND_BNXT_RE) += bnxt_re.o
diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile
index 2761364185af..2c66d35d19bd 100644
--- a/drivers/infiniband/hw/cxgb3/Makefile
+++ b/drivers/infiniband/hw/cxgb3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Idrivers/net/ethernet/chelsio/cxgb3
 
 obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o
diff --git a/drivers/infiniband/hw/hfi1/Makefile b/drivers/infiniband/hw/hfi1/Makefile
index 66d538c033b0..ce4010bad982 100644
--- a/drivers/infiniband/hw/hfi1/Makefile
+++ b/drivers/infiniband/hw/hfi1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # HFI driver
 #
diff --git a/drivers/infiniband/hw/i40iw/Makefile b/drivers/infiniband/hw/i40iw/Makefile
index 90068c03d217..5a8a7a3f28ae 100644
--- a/drivers/infiniband/hw/i40iw/Makefile
+++ b/drivers/infiniband/hw/i40iw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y :=  -Idrivers/net/ethernet/intel/i40e
 
 obj-$(CONFIG_INFINIBAND_I40IW) += i40iw.o
diff --git a/drivers/infiniband/hw/mthca/Makefile b/drivers/infiniband/hw/mthca/Makefile
index e388d95d0cf1..3a09e9ffd634 100644
--- a/drivers/infiniband/hw/mthca/Makefile
+++ b/drivers/infiniband/hw/mthca/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_MTHCA) += ib_mthca.o
 
 ib_mthca-y :=	mthca_main.o mthca_cmd.o mthca_profile.o mthca_reset.o \
diff --git a/drivers/infiniband/hw/qib/Makefile b/drivers/infiniband/hw/qib/Makefile
index 79ebd79e8405..80ffab88fbca 100644
--- a/drivers/infiniband/hw/qib/Makefile
+++ b/drivers/infiniband/hw/qib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_QIB) += ib_qib.o
 
 ib_qib-y := qib_diag.o qib_driver.o qib_eeprom.o \
diff --git a/drivers/infiniband/hw/usnic/Makefile b/drivers/infiniband/hw/usnic/Makefile
index 99fb2db47cd5..94ae7a1a6950 100644
--- a/drivers/infiniband/hw/usnic/Makefile
+++ b/drivers/infiniband/hw/usnic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Idrivers/net/ethernet/cisco/enic
 
 obj-$(CONFIG_INFINIBAND_USNIC)+= usnic_verbs.o
diff --git a/drivers/infiniband/sw/rxe/Makefile b/drivers/infiniband/sw/rxe/Makefile
index 3f12beb7076f..66af72dca759 100644
--- a/drivers/infiniband/sw/rxe/Makefile
+++ b/drivers/infiniband/sw/rxe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RDMA_RXE) += rdma_rxe.o
 
 rdma_rxe-y := \
diff --git a/drivers/infiniband/ulp/Makefile b/drivers/infiniband/ulp/Makefile
index c28af1823a2d..437813c7b481 100644
--- a/drivers/infiniband/ulp/Makefile
+++ b/drivers/infiniband/ulp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_IPOIB)		+= ipoib/
 obj-$(CONFIG_INFINIBAND_SRP)		+= srp/
 obj-$(CONFIG_INFINIBAND_SRPT)		+= srpt/
diff --git a/drivers/infiniband/ulp/ipoib/Makefile b/drivers/infiniband/ulp/ipoib/Makefile
index e5430dd50764..6ece857ed262 100644
--- a/drivers/infiniband/ulp/ipoib/Makefile
+++ b/drivers/infiniband/ulp/ipoib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INFINIBAND_IPOIB)			+= ib_ipoib.o
 
 ib_ipoib-y					:= ipoib_main.o \
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 87d994de8c91..d6fd248320ae 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/in6.h>
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
index 595820bbabe9..40de6a7be641 100644
--- a/drivers/input/Makefile
+++ b/drivers/input/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the input core drivers.
 #
diff --git a/drivers/input/gameport/Makefile b/drivers/input/gameport/Makefile
index b6f6097bd8c4..73ad8fe4db79 100644
--- a/drivers/input/gameport/Makefile
+++ b/drivers/input/gameport/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the gameport drivers.
 #
diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile
index 496fd56b3f1b..67651efda2e1 100644
--- a/drivers/input/joystick/Makefile
+++ b/drivers/input/joystick/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the input core drivers.
 #
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index d2338bacdad1..526e68294e6e 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the input core drivers.
 #
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 03fd4262ada9..4b6118d313fe 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the input misc drivers.
 #
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 56bf0ad877c6..e49f08565076 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the mouse drivers.
 #
diff --git a/drivers/input/mouse/byd.h b/drivers/input/mouse/byd.h
index d6c120cf36cd..8cb90d904186 100644
--- a/drivers/input/mouse/byd.h
+++ b/drivers/input/mouse/byd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BYD_H
 #define _BYD_H
 
diff --git a/drivers/input/mouse/cypress_ps2.h b/drivers/input/mouse/cypress_ps2.h
index 81f68aaed7c8..1eaddd818004 100644
--- a/drivers/input/mouse/cypress_ps2.h
+++ b/drivers/input/mouse/cypress_ps2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CYPRESS_PS2_H
 #define _CYPRESS_PS2_H
 
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
index dd686771cfe0..98b7b384229b 100644
--- a/drivers/input/mouse/hgpk.h
+++ b/drivers/input/mouse/hgpk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
  */
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 38855e425f01..8cd453808cc7 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PSMOUSE_H
 #define _PSMOUSE_H
 
diff --git a/drivers/input/rmi4/Makefile b/drivers/input/rmi4/Makefile
index 9aaac3dd8613..f17631656987 100644
--- a/drivers/input/rmi4/Makefile
+++ b/drivers/input/rmi4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RMI4_CORE) += rmi_core.o
 rmi_core-y := rmi_bus.o rmi_driver.o rmi_f01.o
 
diff --git a/drivers/input/serio/Makefile b/drivers/input/serio/Makefile
index 767bd9b6e1ed..a3ca07621542 100644
--- a/drivers/input/serio/Makefile
+++ b/drivers/input/serio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the input core drivers.
 #
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 6231d63860ee..796289846204 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _I8042_SPARCIO_H
 #define _I8042_SPARCIO_H
 
diff --git a/drivers/input/tablet/Makefile b/drivers/input/tablet/Makefile
index 200fc4e11987..8279ccc18b0a 100644
--- a/drivers/input/tablet/Makefile
+++ b/drivers/input/tablet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the tablet drivers
 #
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 6badce87037b..850c1562555a 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the touchscreen drivers.
 #
diff --git a/drivers/input/touchscreen/tsc200x-core.h b/drivers/input/touchscreen/tsc200x-core.h
index 49a63a3c6840..a43c08ccfd3d 100644
--- a/drivers/input/touchscreen/tsc200x-core.h
+++ b/drivers/input/touchscreen/tsc200x-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TSC200X_CORE_H
 #define _TSC200X_CORE_H
 
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
index b910aea813a1..1fb695854809 100644
--- a/drivers/iommu/Makefile
+++ b/drivers/iommu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IOMMU_API) += iommu.o
 obj-$(CONFIG_IOMMU_API) += iommu-traces.o
 obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index a5b89f6bcdbf..25842b566c39 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #define pr_fmt(fmt)     "DMAR-IR: " fmt
 
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index a3e667077b14..cd2e1eafffe6 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IO_PGTABLE_H
 #define __IO_PGTABLE_H
 #include <linux/bitops.h>
diff --git a/drivers/iommu/iommu-traces.c b/drivers/iommu/iommu-traces.c
index bf3b317ff0c1..1e9ca7789de1 100644
--- a/drivers/iommu/iommu-traces.c
+++ b/drivers/iommu/iommu-traces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * iommu trace points
  *
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c
index 0e2f31f9032b..22d4db302c1c 100644
--- a/drivers/iommu/s390-iommu.c
+++ b/drivers/iommu/s390-iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IOMMU API for s390 PCI devices
  *
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 845abc107ad5..b842dfdc903f 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IRQCHIP)			+= irqchip.o
 
 obj-$(CONFIG_ALPINE_MSI)		+= irq-alpine-msi.o
diff --git a/drivers/irqchip/irq-ftintc010.c b/drivers/irqchip/irq-ftintc010.c
index cd2dc8bbbe9c..0bf98425dca5 100644
--- a/drivers/irqchip/irq-ftintc010.c
+++ b/drivers/irqchip/irq-ftintc010.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * irqchip for the Faraday Technology FTINTC010 Copyright (C) 2017 Linus
  * Walleij <linus.walleij@linaro.org>
diff --git a/drivers/irqchip/irq-gic-realview.c b/drivers/irqchip/irq-gic-realview.c
index 18d58d2b4ffe..b4c1924f0255 100644
--- a/drivers/irqchip/irq-gic-realview.c
+++ b/drivers/irqchip/irq-gic-realview.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Special GIC quirks for the ARM RealView
  * Copyright (C) 2015 Linus Walleij
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c
index c02d29c9dc05..1f59998e03f8 100644
--- a/drivers/irqchip/irq-imgpdc.c
+++ b/drivers/irqchip/irq-imgpdc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IMG PowerDown Controller (PDC)
  *
diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c
index be7216bfb8dd..e67483161f0f 100644
--- a/drivers/irqchip/irq-metag-ext.c
+++ b/drivers/irqchip/irq-metag-ext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Meta External interrupt code.
  *
diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c
index a5f053bd2f44..857b946747eb 100644
--- a/drivers/irqchip/irq-metag.c
+++ b/drivers/irqchip/irq-metag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Meta internal (HWSTATMETA) interrupt code.
  *
diff --git a/drivers/irqchip/irq-mvebu-gicp.h b/drivers/irqchip/irq-mvebu-gicp.h
index 98535e886ea5..eaa12fb72102 100644
--- a/drivers/irqchip/irq-mvebu-gicp.h
+++ b/drivers/irqchip/irq-mvebu-gicp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MVEBU_GICP_H__
 #define __MVEBU_GICP_H__
 
diff --git a/drivers/irqchip/irq-renesas-h8300h.c b/drivers/irqchip/irq-renesas-h8300h.c
index b8327590ae52..1054d74b7edd 100644
--- a/drivers/irqchip/irq-renesas-h8300h.c
+++ b/drivers/irqchip/irq-renesas-h8300h.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * H8/300H interrupt controller driver
  *
diff --git a/drivers/irqchip/irq-renesas-h8s.c b/drivers/irqchip/irq-renesas-h8s.c
index 71d8139be26c..aed31afb0216 100644
--- a/drivers/irqchip/irq-renesas-h8s.c
+++ b/drivers/irqchip/irq-renesas-h8s.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * H8S interrupt contoller driver
  *
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 37dd4645bf18..928858dada75 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Support for Versatile FPGA-based IRQ controllers
  */
diff --git a/drivers/isdn/Makefile b/drivers/isdn/Makefile
index c32e45826c2c..e7d3d8f2ad5a 100644
--- a/drivers/isdn/Makefile
+++ b/drivers/isdn/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the kernel ISDN subsystem and device drivers.
 
 # Object files in subdirectories
diff --git a/drivers/isdn/capi/Makefile b/drivers/isdn/capi/Makefile
index 4d5b4b71db1e..06da3ed2c40a 100644
--- a/drivers/isdn/capi/Makefile
+++ b/drivers/isdn/capi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the CAPI subsystem.
 
 # Ordering constraints: kernelcapi.o first
diff --git a/drivers/isdn/capi/capilib.c b/drivers/isdn/capi/capilib.c
index 33361f833c01..a39ad3796bba 100644
--- a/drivers/isdn/capi/capilib.c
+++ b/drivers/isdn/capi/capilib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/slab.h>
 #include <linux/kernel.h>
diff --git a/drivers/isdn/gigaset/Makefile b/drivers/isdn/gigaset/Makefile
index c453b72272a0..ac45a2739f56 100644
--- a/drivers/isdn/gigaset/Makefile
+++ b/drivers/isdn/gigaset/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o
 gigaset-$(CONFIG_GIGASET_CAPI) += capi.o
 gigaset-$(CONFIG_GIGASET_I4L) += i4l.o
diff --git a/drivers/isdn/hardware/avm/Makefile b/drivers/isdn/hardware/avm/Makefile
index b540e8f2efb6..3830a0573fcc 100644
--- a/drivers/isdn/hardware/avm/Makefile
+++ b/drivers/isdn/hardware/avm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the AVM ISDN device drivers
 
 # Each configuration option enables a list of files.
diff --git a/drivers/isdn/hardware/eicon/Makefile b/drivers/isdn/hardware/eicon/Makefile
index 4fa7fdb7df0d..a0ab2e2d7df0 100644
--- a/drivers/isdn/hardware/eicon/Makefile
+++ b/drivers/isdn/hardware/eicon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Eicon DIVA ISDN drivers.
 
 # Each configuration option enables a list of files.
diff --git a/drivers/isdn/hardware/eicon/adapter.h b/drivers/isdn/hardware/eicon/adapter.h
index 71a7c2f084a7..f9b24eb8781d 100644
--- a/drivers/isdn/hardware/eicon/adapter.h
+++ b/drivers/isdn/hardware/eicon/adapter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: adapter.h,v 1.4 2004/03/21 17:26:01 armin Exp $ */
 
 #ifndef __DIVA_USER_MODE_IDI_ADAPTER_H__
diff --git a/drivers/isdn/hardware/eicon/debug.c b/drivers/isdn/hardware/eicon/debug.c
index 8bc2791bc39c..301788115c4f 100644
--- a/drivers/isdn/hardware/eicon/debug.c
+++ b/drivers/isdn/hardware/eicon/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "platform.h"
 #include "pc.h"
 #include "di_defs.h"
diff --git a/drivers/isdn/hardware/eicon/diva.c b/drivers/isdn/hardware/eicon/diva.c
index d91dd580e978..944a7f338099 100644
--- a/drivers/isdn/hardware/eicon/diva.c
+++ b/drivers/isdn/hardware/eicon/diva.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: diva.c,v 1.21.4.1 2004/05/08 14:33:43 armin Exp $ */
 
 #define CARDTYPE_H_WANT_DATA            1
diff --git a/drivers/isdn/hardware/eicon/diva.h b/drivers/isdn/hardware/eicon/diva.h
index e979085d1b89..b067032093a8 100644
--- a/drivers/isdn/hardware/eicon/diva.h
+++ b/drivers/isdn/hardware/eicon/diva.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: diva.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */
 
 #ifndef __DIVA_XDI_OS_PART_H__
diff --git a/drivers/isdn/hardware/eicon/diva_pci.h b/drivers/isdn/hardware/eicon/diva_pci.h
index bb4b562050f6..7ef5db98ad3c 100644
--- a/drivers/isdn/hardware/eicon/diva_pci.h
+++ b/drivers/isdn/hardware/eicon/diva_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: diva_pci.h,v 1.6 2003/01/04 15:29:45 schindler Exp $ */
 
 #ifndef __DIVA_PCI_INTERFACE_H__
diff --git a/drivers/isdn/hardware/eicon/dqueue.h b/drivers/isdn/hardware/eicon/dqueue.h
index 6992c45457a4..2da9799686ab 100644
--- a/drivers/isdn/hardware/eicon/dqueue.h
+++ b/drivers/isdn/hardware/eicon/dqueue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: dqueue.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */
 
 #ifndef _DIVA_USER_MODE_IDI_DATA_QUEUE_H__
diff --git a/drivers/isdn/hardware/eicon/dsp_tst.h b/drivers/isdn/hardware/eicon/dsp_tst.h
index fe36f138be8b..85edd3ea50f7 100644
--- a/drivers/isdn/hardware/eicon/dsp_tst.h
+++ b/drivers/isdn/hardware/eicon/dsp_tst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: dsp_tst.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */
 
 #ifndef __DIVA_PRI_HOST_TEST_DSPS_H__
diff --git a/drivers/isdn/hardware/eicon/entity.h b/drivers/isdn/hardware/eicon/entity.h
index fdb83416af31..f9767d321db9 100644
--- a/drivers/isdn/hardware/eicon/entity.h
+++ b/drivers/isdn/hardware/eicon/entity.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: entity.h,v 1.4 2004/03/21 17:26:01 armin Exp $ */
 
 #ifndef __DIVAS_USER_MODE_IDI_ENTITY__
diff --git a/drivers/isdn/hardware/eicon/os_4bri.c b/drivers/isdn/hardware/eicon/os_4bri.c
index 1891246807ed..87db5f4df27d 100644
--- a/drivers/isdn/hardware/eicon/os_4bri.c
+++ b/drivers/isdn/hardware/eicon/os_4bri.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: os_4bri.c,v 1.28.4.4 2005/02/11 19:40:25 armin Exp $ */
 
 #include "platform.h"
diff --git a/drivers/isdn/hardware/eicon/os_4bri.h b/drivers/isdn/hardware/eicon/os_4bri.h
index 72253278d4f5..94b2709537d8 100644
--- a/drivers/isdn/hardware/eicon/os_4bri.h
+++ b/drivers/isdn/hardware/eicon/os_4bri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: os_4bri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */
 
 #ifndef __DIVA_OS_4_BRI_H__
diff --git a/drivers/isdn/hardware/eicon/os_bri.c b/drivers/isdn/hardware/eicon/os_bri.c
index 20f2653c58fa..de93090bcacb 100644
--- a/drivers/isdn/hardware/eicon/os_bri.c
+++ b/drivers/isdn/hardware/eicon/os_bri.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: os_bri.c,v 1.21 2004/03/21 17:26:01 armin Exp $ */
 
 #include "platform.h"
diff --git a/drivers/isdn/hardware/eicon/os_bri.h b/drivers/isdn/hardware/eicon/os_bri.h
index 02e7456f8962..37c92cc53ded 100644
--- a/drivers/isdn/hardware/eicon/os_bri.h
+++ b/drivers/isdn/hardware/eicon/os_bri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: os_bri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */
 
 #ifndef __DIVA_OS_BRI_REV_1_H__
diff --git a/drivers/isdn/hardware/eicon/os_pri.c b/drivers/isdn/hardware/eicon/os_pri.c
index da4957abb422..b20f1fb89d14 100644
--- a/drivers/isdn/hardware/eicon/os_pri.c
+++ b/drivers/isdn/hardware/eicon/os_pri.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: os_pri.c,v 1.32 2004/03/21 17:26:01 armin Exp $ */
 
 #include "platform.h"
diff --git a/drivers/isdn/hardware/eicon/os_pri.h b/drivers/isdn/hardware/eicon/os_pri.h
index 537c74d042e7..0e91855b171a 100644
--- a/drivers/isdn/hardware/eicon/os_pri.h
+++ b/drivers/isdn/hardware/eicon/os_pri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: os_pri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */
 
 #ifndef __DIVA_OS_PRI_REV_1_H__
diff --git a/drivers/isdn/hardware/eicon/um_idi.c b/drivers/isdn/hardware/eicon/um_idi.c
index e1519718ce67..db4dd4ff3642 100644
--- a/drivers/isdn/hardware/eicon/um_idi.c
+++ b/drivers/isdn/hardware/eicon/um_idi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Id: um_idi.c,v 1.14 2004/03/21 17:54:37 armin Exp $ */
 
 #include "platform.h"
diff --git a/drivers/isdn/hardware/eicon/um_idi.h b/drivers/isdn/hardware/eicon/um_idi.h
index ffb88f7b42fc..9aedd9e351a3 100644
--- a/drivers/isdn/hardware/eicon/um_idi.h
+++ b/drivers/isdn/hardware/eicon/um_idi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: um_idi.h,v 1.6 2004/03/21 17:26:01 armin Exp $ */
 
 #ifndef __DIVA_USER_MODE_IDI_CORE_H__
diff --git a/drivers/isdn/hardware/eicon/um_xdi.h b/drivers/isdn/hardware/eicon/um_xdi.h
index b48fc042a5bc..1f37aa4efd18 100644
--- a/drivers/isdn/hardware/eicon/um_xdi.h
+++ b/drivers/isdn/hardware/eicon/um_xdi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: um_xdi.h,v 1.1.2.2 2002/10/02 14:38:38 armin Exp $ */
 
 #ifndef __DIVA_USER_MODE_XDI_H__
diff --git a/drivers/isdn/hardware/eicon/xdi_adapter.h b/drivers/isdn/hardware/eicon/xdi_adapter.h
index d303e65dbe6c..b036e217c659 100644
--- a/drivers/isdn/hardware/eicon/xdi_adapter.h
+++ b/drivers/isdn/hardware/eicon/xdi_adapter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: xdi_adapter.h,v 1.7 2004/03/21 17:26:01 armin Exp $ */
 
 #ifndef __DIVA_OS_XDI_ADAPTER_H__
diff --git a/drivers/isdn/hardware/eicon/xdi_msg.h b/drivers/isdn/hardware/eicon/xdi_msg.h
index 2498c349a32e..0646079bf466 100644
--- a/drivers/isdn/hardware/eicon/xdi_msg.h
+++ b/drivers/isdn/hardware/eicon/xdi_msg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: xdi_msg.h,v 1.1.2.2 2001/02/16 08:40:36 armin Exp $ */
 
 #ifndef __DIVA_XDI_UM_CFG_MESSAGE_H__
diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile
index 2987d990993f..422f9fd8ab9a 100644
--- a/drivers/isdn/hardware/mISDN/Makefile
+++ b/drivers/isdn/hardware/mISDN/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the modular ISDN hardware drivers
 #
diff --git a/drivers/isdn/hardware/mISDN/hfc_multi.h b/drivers/isdn/hardware/mISDN/hfc_multi.h
index c601f880141e..5acf826d913c 100644
--- a/drivers/isdn/hardware/mISDN/hfc_multi.h
+++ b/drivers/isdn/hardware/mISDN/hfc_multi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * see notice in hfc_multi.c
  */
diff --git a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h
index 8a254747768e..b0d772340e16 100644
--- a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h
+++ b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * For License see notice in hfc_multi.c
  *
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.h b/drivers/isdn/hardware/mISDN/hfcsusb.h
index 5f8f1d9cac11..e4fa2a2824af 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.h
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hfcsusb.h, HFC-S USB mISDN driver
  */
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index 646368fe41c9..3eca9d23f1c2 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the hisax ISDN device driver
 
 # The target object and module list name.
diff --git a/drivers/isdn/hisax/hfc4s8s_l1.h b/drivers/isdn/hisax/hfc4s8s_l1.h
index 6a8f89113d2f..4665b9d5df16 100644
--- a/drivers/isdn/hisax/hfc4s8s_l1.h
+++ b/drivers/isdn/hisax/hfc4s8s_l1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /***************************************************************/
 /*  $Id: hfc4s8s_l1.h,v 1.1 2005/02/02 17:28:55 martinb1 Exp $ */
 /*                                                             */
diff --git a/drivers/isdn/hisax/hfc_usb.h b/drivers/isdn/hisax/hfc_usb.h
index f987bf89da1a..9a212330e8a8 100644
--- a/drivers/isdn/hisax/hfc_usb.h
+++ b/drivers/isdn/hisax/hfc_usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hfc_usb.h
  *
diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.h b/drivers/isdn/hisax/hisax_fcpcipnp.h
index aedef97827fe..1f64e9937aa1 100644
--- a/drivers/isdn/hisax/hisax_fcpcipnp.h
+++ b/drivers/isdn/hisax/hisax_fcpcipnp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "hisax_if.h"
 #include "hisax_isac.h"
 #include <linux/pci.h>
diff --git a/drivers/isdn/hisax/hisax_isac.h b/drivers/isdn/hisax/hisax_isac.h
index 08890cf4d923..d7301da97991 100644
--- a/drivers/isdn/hisax/hisax_isac.h
+++ b/drivers/isdn/hisax/hisax_isac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HISAX_ISAC_H__
 #define __HISAX_ISAC_H__
 
diff --git a/drivers/isdn/i4l/Makefile b/drivers/isdn/i4l/Makefile
index cb9d3bb9fae0..be77500c9e86 100644
--- a/drivers/isdn/i4l/Makefile
+++ b/drivers/isdn/i4l/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the kernel ISDN subsystem and device drivers.
 
 # Each configuration option enables a list of files.
diff --git a/drivers/isdn/mISDN/Makefile b/drivers/isdn/mISDN/Makefile
index 0a6bd2a9e730..f3b4b7fa85f8 100644
--- a/drivers/isdn/mISDN/Makefile
+++ b/drivers/isdn/mISDN/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the modular ISDN driver
 #
diff --git a/drivers/isdn/mISDN/dsp_hwec.h b/drivers/isdn/mISDN/dsp_hwec.h
index bbca1eb5a888..c9cb0ea249da 100644
--- a/drivers/isdn/mISDN/dsp_hwec.h
+++ b/drivers/isdn/mISDN/dsp_hwec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dsp_hwec.h
  */
diff --git a/drivers/isdn/mISDN/l1oip.h b/drivers/isdn/mISDN/l1oip.h
index 661c060ada49..7ea10db20e3a 100644
--- a/drivers/isdn/mISDN/l1oip.h
+++ b/drivers/isdn/mISDN/l1oip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * see notice in l1oip.c
  */
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 7d7b26552923..35980450db9b 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 # LED Core
 obj-$(CONFIG_NEW_LEDS)			+= led-core.o
diff --git a/drivers/leds/trigger/Makefile b/drivers/leds/trigger/Makefile
index a72c43cffebf..9f2e868811e2 100644
--- a/drivers/leds/trigger/Makefile
+++ b/drivers/leds/trigger/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
 obj-$(CONFIG_LEDS_TRIGGER_ONESHOT)	+= ledtrig-oneshot.o
 obj-$(CONFIG_LEDS_TRIGGER_DISK)		+= ledtrig-disk.o
diff --git a/drivers/lightnvm/Makefile b/drivers/lightnvm/Makefile
index 82d1a117fb27..2c3fd9d2c08c 100644
--- a/drivers/lightnvm/Makefile
+++ b/drivers/lightnvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Open-Channel SSDs.
 #
diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile
index 516eb65bcacc..ee803638e595 100644
--- a/drivers/macintosh/Makefile
+++ b/drivers/macintosh/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Macintosh-specific device drivers.
 #
diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c
index f5f4da3d0b67..dbc4a3e63396 100644
--- a/drivers/macintosh/adb-iop.c
+++ b/drivers/macintosh/adb-iop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * I/O Processor (IOP) ADB Driver
  * Written and (C) 1999 by Joshua M. Thompson (funaho@jurai.org)
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 039dc8285fc5..289800b5235d 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for the Apple Desktop Bus
  * and the /dev/adb device on macintoshes.
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index 09d72bb00d12..e091193104f7 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/macintosh/adbhid.c
  *
diff --git a/drivers/macintosh/ams/ams.h b/drivers/macintosh/ams/ams.h
index 90f094d45450..fe8d596f9845 100644
--- a/drivers/macintosh/ams/ams.h
+++ b/drivers/macintosh/ams/ams.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/i2c.h>
 #include <linux/input-polldev.h>
 #include <linux/kthread.h>
diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c
index 281fa9e6fc1f..1de81d922d8a 100644
--- a/drivers/macintosh/ans-lcd.c
+++ b/drivers/macintosh/ans-lcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * /dev/lcd driver for Apple Network Servers.
  */
diff --git a/drivers/macintosh/ans-lcd.h b/drivers/macintosh/ans-lcd.h
index d795b9fd2db6..f0a6e4c68557 100644
--- a/drivers/macintosh/ans-lcd.h
+++ b/drivers/macintosh/ans-lcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PPC_ANS_LCD_H
 #define _PPC_ANS_LCD_H
 
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 87de8d9bcfad..9a6223add30e 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Driver for the ADB controller in the Mac I/O (Hydra) chip.
  */
diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c
index 281f5345661e..ca4fcffe454b 100644
--- a/drivers/macintosh/macio_sysfs.c
+++ b/drivers/macintosh/macio_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/stat.h>
 #include <asm/macio.h>
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c
index 147da4edd021..98dd702eb867 100644
--- a/drivers/macintosh/via-cuda.c
+++ b/drivers/macintosh/via-cuda.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for the Cuda and Egret system controllers found on PowerMacs
  * and 68k Macs.
diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c
index 415c145c8299..4ba06a1695ea 100644
--- a/drivers/macintosh/via-macii.c
+++ b/drivers/macintosh/via-macii.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for the via ADB on (many) Mac II-class machines
  *
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index 6f68537c93ce..89ed51571b62 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Backlight code for via-pmu
  *
diff --git a/drivers/macintosh/via-pmu-event.h b/drivers/macintosh/via-pmu-event.h
index 72c54de408e8..5e52109eb9a6 100644
--- a/drivers/macintosh/via-pmu-event.h
+++ b/drivers/macintosh/via-pmu-event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __VIA_PMU_EVENT_H
 #define __VIA_PMU_EVENT_H
 
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index cce99f72e4ae..c4c2b3b85ebc 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for the via-pmu on Apple Powermacs.
  *
diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c
index a411c5cb77a1..25465fb91ec9 100644
--- a/drivers/macintosh/via-pmu68k.c
+++ b/drivers/macintosh/via-pmu68k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for the PMU on 68K-based Apple PowerBooks
  *
diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile
index d54e41206e17..4896f8dcae95 100644
--- a/drivers/mailbox/Makefile
+++ b/drivers/mailbox/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Generic MAILBOX API
 
 obj-$(CONFIG_MAILBOX)		+= mailbox.o
diff --git a/drivers/mcb/Makefile b/drivers/mcb/Makefile
index bcc7745774ab..77073c5928f4 100644
--- a/drivers/mcb/Makefile
+++ b/drivers/mcb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_MCB) += mcb.o
 
diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h
index d6e6933b19f1..3602cb3b2021 100644
--- a/drivers/mcb/mcb-internal.h
+++ b/drivers/mcb/mcb-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MCB_INTERNAL
 #define __MCB_INTERNAL
 
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 786ec9e86d65..e94b6f9be941 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel software RAID and LVM drivers.
 #
diff --git a/drivers/md/bcache/Makefile b/drivers/md/bcache/Makefile
index c488b846f831..d26b35195825 100644
--- a/drivers/md/bcache/Makefile
+++ b/drivers/md/bcache/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_BCACHE)	+= bcache.o
 
diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
index cacbe2dbd5c3..08035634795c 100644
--- a/drivers/md/bcache/alloc.c
+++ b/drivers/md/bcache/alloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Primary bucket allocation code
  *
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 2ed9bd231d84..abd31e847f96 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_H
 #define _BCACHE_H
 
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index 18526d44688d..e56d3ecdbfcb 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for working with individual keys, and sorted sets of keys with in a
  * btree node
diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h
index ae964624efb2..fa506c1aa524 100644
--- a/drivers/md/bcache/bset.h
+++ b/drivers/md/bcache/bset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_BSET_H
 #define _BCACHE_BSET_H
 
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 866dcf78ff8e..658c54b3b07a 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2010 Kent Overstreet <kent.overstreet@gmail.com>
  *
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h
index 73da1f5626cb..42204d61bc95 100644
--- a/drivers/md/bcache/btree.h
+++ b/drivers/md/bcache/btree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_BTREE_H
 #define _BCACHE_BTREE_H
 
diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h
index 295b7e43f92c..965907ce1e20 100644
--- a/drivers/md/bcache/closure.h
+++ b/drivers/md/bcache/closure.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CLOSURE_H
 #define _LINUX_CLOSURE_H
 
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index 61076eda2e6d..c7a02c4900da 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Assorted bcache debug code
  *
diff --git a/drivers/md/bcache/debug.h b/drivers/md/bcache/debug.h
index 1f63c195d247..acc48d3fa274 100644
--- a/drivers/md/bcache/debug.h
+++ b/drivers/md/bcache/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_DEBUG_H
 #define _BCACHE_DEBUG_H
 
diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c
index 243de0bf15cd..41c238fc3733 100644
--- a/drivers/md/bcache/extents.c
+++ b/drivers/md/bcache/extents.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2010 Kent Overstreet <kent.overstreet@gmail.com>
  *
diff --git a/drivers/md/bcache/extents.h b/drivers/md/bcache/extents.h
index e2ed54054e7a..0cd3575afa1d 100644
--- a/drivers/md/bcache/extents.h
+++ b/drivers/md/bcache/extents.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_EXTENTS_H
 #define _BCACHE_EXTENTS_H
 
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c
index 7e871bdc0097..fac97ec2d0e2 100644
--- a/drivers/md/bcache/io.c
+++ b/drivers/md/bcache/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Some low level IO code, and hacks for various block layer limitations
  *
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 7e1d1c3ba33a..02a98ddb592d 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bcache journalling code, for btree insertions
  *
diff --git a/drivers/md/bcache/journal.h b/drivers/md/bcache/journal.h
index e3c39457afbb..b5788199188f 100644
--- a/drivers/md/bcache/journal.h
+++ b/drivers/md/bcache/journal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_JOURNAL_H
 #define _BCACHE_JOURNAL_H
 
diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c
index f633b30c962e..d50c1c97da68 100644
--- a/drivers/md/bcache/movinggc.c
+++ b/drivers/md/bcache/movinggc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Moving/copying garbage collector
  *
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 681b4f12b05a..3475d6628e21 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Main bcache entry point - handle a read or a write request and decide what to
  * do with it; the make_request functions are called by the block layer.
diff --git a/drivers/md/bcache/request.h b/drivers/md/bcache/request.h
index 7689176951ce..dea0886b81c1 100644
--- a/drivers/md/bcache/request.h
+++ b/drivers/md/bcache/request.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_REQUEST_H_
 #define _BCACHE_REQUEST_H_
 
diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c
index 0ca072c20d0d..d0831d5bcc87 100644
--- a/drivers/md/bcache/stats.c
+++ b/drivers/md/bcache/stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bcache stats code
  *
diff --git a/drivers/md/bcache/stats.h b/drivers/md/bcache/stats.h
index adbff141c887..0b70f9de0c03 100644
--- a/drivers/md/bcache/stats.h
+++ b/drivers/md/bcache/stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_STATS_H_
 #define _BCACHE_STATS_H_
 
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 104c57cd666c..234b2f5b286d 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bcache sysfs interfaces
  *
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
index 0526fe92a683..b54fe9602529 100644
--- a/drivers/md/bcache/sysfs.h
+++ b/drivers/md/bcache/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_SYSFS_H_
 #define _BCACHE_SYSFS_H_
 
diff --git a/drivers/md/bcache/trace.c b/drivers/md/bcache/trace.c
index b7820b0d2621..a9a73f560c04 100644
--- a/drivers/md/bcache/trace.c
+++ b/drivers/md/bcache/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcache.h"
 #include "btree.h"
 
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index cb8d2ccbb6c6..f54b58282f77 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _BCACHE_UTIL_H
 #define _BCACHE_UTIL_H
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index e663ca082183..70454f2ad2fa 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * background writeback - scan btree for dirty data and write it to the backing
  * device
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index e35421d20d2e..151544740148 100644
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHE_WRITEBACK_H
 #define _BCACHE_WRITEBACK_H
 
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index d15721ac07a6..5df35ca90f58 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bitmap.h: Copyright (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003
  *
diff --git a/drivers/md/dm-builtin.c b/drivers/md/dm-builtin.c
index f092771878c2..8eb52e425141 100644
--- a/drivers/md/dm-builtin.c
+++ b/drivers/md/dm-builtin.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "dm-core.h"
 
 /*
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 6028d8247f58..a7868503d135 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/numa.h>
 #include <linux/slab.h>
diff --git a/drivers/md/dm-stats.h b/drivers/md/dm-stats.h
index f1c0956e3843..2ddfae678f32 100644
--- a/drivers/md/dm-stats.h
+++ b/drivers/md/dm-stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DM_STATS_H
 #define DM_STATS_H
 
diff --git a/drivers/md/linear.h b/drivers/md/linear.h
index 8d392e6098b3..8381d651d4ed 100644
--- a/drivers/md/linear.h
+++ b/drivers/md/linear.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINEAR_H
 #define _LINEAR_H
 
diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h
index 274016177983..c0240708f443 100644
--- a/drivers/md/md-cluster.h
+++ b/drivers/md/md-cluster.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 
 #ifndef _MD_CLUSTER_H
diff --git a/drivers/md/multipath.h b/drivers/md/multipath.h
index 717c60f62898..0adb941f485a 100644
--- a/drivers/md/multipath.h
+++ b/drivers/md/multipath.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MULTIPATH_H
 #define _MULTIPATH_H
 
diff --git a/drivers/md/persistent-data/Makefile b/drivers/md/persistent-data/Makefile
index ff528792c358..66be7c66479a 100644
--- a/drivers/md/persistent-data/Makefile
+++ b/drivers/md/persistent-data/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DM_PERSISTENT_DATA) += dm-persistent-data.o
 dm-persistent-data-objs := \
 	dm-array.o \
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 7127a623f5da..540e65d92642 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAID0_H
 #define _RAID0_H
 
diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c
index 9f2670b45f31..400001b815db 100644
--- a/drivers/md/raid1-10.c
+++ b/drivers/md/raid1-10.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Maximum size of each resync request */
 #define RESYNC_BLOCK_SIZE (64*1024)
 #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index c8894ef1e9d2..c7294e7557e0 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAID1_H
 #define _RAID1_H
 
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index 735ce1a3d260..abceccab6671 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAID10_H
 #define _RAID10_H
 
diff --git a/drivers/md/raid5-log.h b/drivers/md/raid5-log.h
index 328d67aedda4..7f9ad5f7cda0 100644
--- a/drivers/md/raid5-log.h
+++ b/drivers/md/raid5-log.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAID5_LOG_H
 #define _RAID5_LOG_H
 
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index f6536399677a..2e6123825095 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAID5_H
 #define _RAID5_H
 
diff --git a/drivers/media/Makefile b/drivers/media/Makefile
index 044503aa8801..594b462ddf0e 100644
--- a/drivers/media/Makefile
+++ b/drivers/media/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel multimedia device drivers.
 #
diff --git a/drivers/media/cec/Makefile b/drivers/media/cec/Makefile
index 3353c1741961..41ee3325e1ea 100644
--- a/drivers/media/cec/Makefile
+++ b/drivers/media/cec/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cec-objs := cec-core.o cec-adap.o cec-api.o cec-edid.o
 
 ifeq ($(CONFIG_CEC_NOTIFIER),y)
diff --git a/drivers/media/common/b2c2/Makefile b/drivers/media/common/b2c2/Makefile
index 24993a5b38ba..73df4a334eda 100644
--- a/drivers/media/common/b2c2/Makefile
+++ b/drivers/media/common/b2c2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 b2c2-flexcop-objs += flexcop.o flexcop-fe-tuner.o flexcop-i2c.o
 b2c2-flexcop-objs += flexcop-sram.o flexcop-eeprom.o flexcop-misc.o
 b2c2-flexcop-objs += flexcop-hw-filter.o
diff --git a/drivers/media/common/b2c2/flexcop-common.h b/drivers/media/common/b2c2/flexcop-common.h
index 2533574c0cf4..b7e5e4c17acb 100644
--- a/drivers/media/common/b2c2/flexcop-common.h
+++ b/drivers/media/common/b2c2/flexcop-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-common.h - common header file for device-specific source files
diff --git a/drivers/media/common/b2c2/flexcop-eeprom.c b/drivers/media/common/b2c2/flexcop-eeprom.c
index 844c7836c2a6..0f2151cd36f2 100644
--- a/drivers/media/common/b2c2/flexcop-eeprom.c
+++ b/drivers/media/common/b2c2/flexcop-eeprom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-eeprom.c - eeprom access methods (currently only MAC address reading)
diff --git a/drivers/media/common/b2c2/flexcop-fe-tuner.c b/drivers/media/common/b2c2/flexcop-fe-tuner.c
index 7636606f0be5..a1ce3e8eb1d3 100644
--- a/drivers/media/common/b2c2/flexcop-fe-tuner.c
+++ b/drivers/media/common/b2c2/flexcop-fe-tuner.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-fe-tuner.c - methods for frontend attachment and DiSEqC controlling
diff --git a/drivers/media/common/b2c2/flexcop-hw-filter.c b/drivers/media/common/b2c2/flexcop-hw-filter.c
index 8220257903ef..335f30a54ba8 100644
--- a/drivers/media/common/b2c2/flexcop-hw-filter.c
+++ b/drivers/media/common/b2c2/flexcop-hw-filter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-hw-filter.c - pid and mac address filtering and control functions
diff --git a/drivers/media/common/b2c2/flexcop-i2c.c b/drivers/media/common/b2c2/flexcop-i2c.c
index 58d39a59fc09..564da6fa900d 100644
--- a/drivers/media/common/b2c2/flexcop-i2c.c
+++ b/drivers/media/common/b2c2/flexcop-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-i2c.c - flexcop internal 2Wire bus (I2C) and dvb i2c initialization
diff --git a/drivers/media/common/b2c2/flexcop-misc.c b/drivers/media/common/b2c2/flexcop-misc.c
index bb0d95fe64f9..83d01d3a81cc 100644
--- a/drivers/media/common/b2c2/flexcop-misc.c
+++ b/drivers/media/common/b2c2/flexcop-misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-misc.c - miscellaneous functions
diff --git a/drivers/media/common/b2c2/flexcop-reg.h b/drivers/media/common/b2c2/flexcop-reg.h
index 835c54d60e74..dd7c962db565 100644
--- a/drivers/media/common/b2c2/flexcop-reg.h
+++ b/drivers/media/common/b2c2/flexcop-reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-reg.h - register abstraction for FlexCopII, FlexCopIIb and FlexCopIII
diff --git a/drivers/media/common/b2c2/flexcop-sram.c b/drivers/media/common/b2c2/flexcop-sram.c
index 185c285f70fc..d97962eb0112 100644
--- a/drivers/media/common/b2c2/flexcop-sram.c
+++ b/drivers/media/common/b2c2/flexcop-sram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-sram.c - functions for controlling the SRAM
diff --git a/drivers/media/common/b2c2/flexcop.h b/drivers/media/common/b2c2/flexcop.h
index 8942bdacbf61..911ece59ea02 100644
--- a/drivers/media/common/b2c2/flexcop.h
+++ b/drivers/media/common/b2c2/flexcop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop.h - private header file for all flexcop-chip-source files
diff --git a/drivers/media/common/b2c2/flexcop_ibi_value_be.h b/drivers/media/common/b2c2/flexcop_ibi_value_be.h
index 8f64bdbd72bb..c97a0d6d7b3a 100644
--- a/drivers/media/common/b2c2/flexcop_ibi_value_be.h
+++ b/drivers/media/common/b2c2/flexcop_ibi_value_be.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * register descriptions
  * see flexcop.c for copyright information
diff --git a/drivers/media/common/b2c2/flexcop_ibi_value_le.h b/drivers/media/common/b2c2/flexcop_ibi_value_le.h
index c75830d7d942..5db3b46f21ee 100644
--- a/drivers/media/common/b2c2/flexcop_ibi_value_le.h
+++ b/drivers/media/common/b2c2/flexcop_ibi_value_le.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * register descriptions
  * see flexcop.c for copyright information
diff --git a/drivers/media/common/btcx-risc.h b/drivers/media/common/btcx-risc.h
index 03583ef90506..76dc16f402b9 100644
--- a/drivers/media/common/btcx-risc.h
+++ b/drivers/media/common/btcx-risc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  */
 struct btcx_riscmem {
diff --git a/drivers/media/common/cypress_firmware.h b/drivers/media/common/cypress_firmware.h
index 1e4f27356205..0aa46e602b07 100644
--- a/drivers/media/common/cypress_firmware.h
+++ b/drivers/media/common/cypress_firmware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
  * see dvb-usb-init.c for copyright information.
diff --git a/drivers/media/common/saa7146/saa7146_i2c.c b/drivers/media/common/saa7146/saa7146_i2c.c
index 75897f95e4b4..f9e099d812c8 100644
--- a/drivers/media/common/saa7146/saa7146_i2c.c
+++ b/drivers/media/common/saa7146/saa7146_i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <media/drv-intf/saa7146_vv.h>
diff --git a/drivers/media/common/saa7146/saa7146_vbi.c b/drivers/media/common/saa7146/saa7146_vbi.c
index d79e4d7ecd9f..371c6f8606de 100644
--- a/drivers/media/common/saa7146/saa7146_vbi.c
+++ b/drivers/media/common/saa7146/saa7146_vbi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <media/drv-intf/saa7146_vv.h>
 
 static int vbi_pixel_to_capture = 720 * 2;
diff --git a/drivers/media/common/siano/Makefile b/drivers/media/common/siano/Makefile
index 4c0567f106b2..88e2b7ffc537 100644
--- a/drivers/media/common/siano/Makefile
+++ b/drivers/media/common/siano/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o
 smsdvb-objs := smsdvb-main.o
 
diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile
index 281bc89576e6..47e2e391bfb8 100644
--- a/drivers/media/dvb-core/Makefile
+++ b/drivers/media/dvb-core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel DVB device drivers.
 #
diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h
index 5b6041d462bc..54d7d8a48b18 100644
--- a/drivers/media/dvb-core/dvb-usb-ids.h
+++ b/drivers/media/dvb-core/dvb-usb-ids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* dvb-usb-ids.h is part of the DVB USB library.
  *
  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) see
diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile
index f45f6a4a4371..d025eb373842 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel DVB frontend device drivers.
 #
diff --git a/drivers/media/dvb-frontends/dib7000m.h b/drivers/media/dvb-frontends/dib7000m.h
index 8f84dfa9bb58..df7ecb4314cd 100644
--- a/drivers/media/dvb-frontends/dib7000m.h
+++ b/drivers/media/dvb-frontends/dib7000m.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DIB7000M_H
 #define DIB7000M_H
 
diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h
index 205fbbff632b..2e10b5ccce67 100644
--- a/drivers/media/dvb-frontends/dib7000p.h
+++ b/drivers/media/dvb-frontends/dib7000p.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DIB7000P_H
 #define DIB7000P_H
 
diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h
index 75cc8e47ec8f..b920fe769021 100644
--- a/drivers/media/dvb-frontends/dib8000.h
+++ b/drivers/media/dvb-frontends/dib8000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DIB8000_H
 #define DIB8000_H
 
diff --git a/drivers/media/dvb-frontends/dib9000.h b/drivers/media/dvb-frontends/dib9000.h
index 40883b41e66b..bb03362ac7a3 100644
--- a/drivers/media/dvb-frontends/dib9000.h
+++ b/drivers/media/dvb-frontends/dib9000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DIB9000_H
 #define DIB9000_H
 
diff --git a/drivers/media/dvb-frontends/dibx000_common.h b/drivers/media/dvb-frontends/dibx000_common.h
index 61f4152f24ee..8784af962eba 100644
--- a/drivers/media/dvb-frontends/dibx000_common.h
+++ b/drivers/media/dvb-frontends/dibx000_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DIBX000_COMMON_H
 #define DIBX000_COMMON_H
 
diff --git a/drivers/media/dvb-frontends/drxk.h b/drivers/media/dvb-frontends/drxk.h
index a629897eb905..eb9bdc9f59c4 100644
--- a/drivers/media/dvb-frontends/drxk.h
+++ b/drivers/media/dvb-frontends/drxk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DRXK_H_
 #define _DRXK_H_
 
diff --git a/drivers/media/dvb-frontends/drxk_hard.h b/drivers/media/dvb-frontends/drxk_hard.h
index 9ed88e014942..a850a876deee 100644
--- a/drivers/media/dvb-frontends/drxk_hard.h
+++ b/drivers/media/dvb-frontends/drxk_hard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "drxk_map.h"
 
 #define DRXK_VERSION_MAJOR 0
diff --git a/drivers/media/dvb-frontends/drxk_map.h b/drivers/media/dvb-frontends/drxk_map.h
index 761613f9fd5a..9234ef4fb68d 100644
--- a/drivers/media/dvb-frontends/drxk_map.h
+++ b/drivers/media/dvb-frontends/drxk_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define  AUD_COMM_EXEC__A                                                  0x1000000
 #define    AUD_COMM_EXEC_STOP                                              0x0
 #define  FEC_COMM_EXEC__A                                                  0x1C00000
diff --git a/drivers/media/dvb-frontends/dvb-pll.h b/drivers/media/dvb-frontends/dvb-pll.h
index bf9602a88b6c..6aaa9c6bff9c 100644
--- a/drivers/media/dvb-frontends/dvb-pll.h
+++ b/drivers/media/dvb-frontends/dvb-pll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * descriptions + helper functions for simple dvb plls.
  */
diff --git a/drivers/media/dvb-frontends/nxt6000_priv.h b/drivers/media/dvb-frontends/nxt6000_priv.h
index 0422e580038a..d317df02c8d7 100644
--- a/drivers/media/dvb-frontends/nxt6000_priv.h
+++ b/drivers/media/dvb-frontends/nxt6000_priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Public Include File for DRV6000 users
  * (ie. NxtWave Communications - NXT6000 demodulator driver)
diff --git a/drivers/media/dvb-frontends/si21xx.h b/drivers/media/dvb-frontends/si21xx.h
index b1be62f1983a..43d480bb6ea2 100644
--- a/drivers/media/dvb-frontends/si21xx.h
+++ b/drivers/media/dvb-frontends/si21xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SI21XX_H
 #define SI21XX_H
 
diff --git a/drivers/media/dvb-frontends/sp887x.h b/drivers/media/dvb-frontends/sp887x.h
index 412f011e6dfd..a680cc22379c 100644
--- a/drivers/media/dvb-frontends/sp887x.h
+++ b/drivers/media/dvb-frontends/sp887x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
    Driver for the Spase sp887x demodulator
 */
diff --git a/drivers/media/dvb-frontends/tda18271c2dd.h b/drivers/media/dvb-frontends/tda18271c2dd.h
index e6ccf240f54c..289653db68e4 100644
--- a/drivers/media/dvb-frontends/tda18271c2dd.h
+++ b/drivers/media/dvb-frontends/tda18271c2dd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TDA18271C2DD_H_
 #define _TDA18271C2DD_H_
 
diff --git a/drivers/media/dvb-frontends/tda18271c2dd_maps.h b/drivers/media/dvb-frontends/tda18271c2dd_maps.h
index f3bca5c237d7..5f75516bc0cb 100644
--- a/drivers/media/dvb-frontends/tda18271c2dd_maps.h
+++ b/drivers/media/dvb-frontends/tda18271c2dd_maps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 enum HF_S {
 	HF_None = 0, HF_B, HF_DK, HF_G, HF_I, HF_L, HF_L1, HF_MN, HF_FM_Radio,
 	HF_AnalogMax, HF_DVBT_6MHZ, HF_DVBT_7MHZ, HF_DVBT_8MHZ,
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index c843c181dfb9..f104650d6000 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 msp3400-objs	:=	msp3400-driver.o msp3400-kthreads.o
 obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o
 
diff --git a/drivers/media/i2c/msp3400-driver.h b/drivers/media/i2c/msp3400-driver.h
index a8702aca187a..b6c7698bce5a 100644
--- a/drivers/media/i2c/msp3400-driver.h
+++ b/drivers/media/i2c/msp3400-driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  */
 
diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile
index 78532a7fb8e2..faa2df8901d2 100644
--- a/drivers/media/i2c/soc_camera/Makefile
+++ b/drivers/media/i2c/soc_camera/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SOC_CAMERA_IMX074)		+= imx074.o
 obj-$(CONFIG_SOC_CAMERA_MT9M001)	+= mt9m001.o
 obj-$(CONFIG_SOC_CAMERA_MT9T031)	+= mt9t031.o
diff --git a/drivers/media/i2c/tea6415c.h b/drivers/media/i2c/tea6415c.h
index 3a47d697536e..f43228207445 100644
--- a/drivers/media/i2c/tea6415c.h
+++ b/drivers/media/i2c/tea6415c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INCLUDED_TEA6415C__
 #define __INCLUDED_TEA6415C__
 
diff --git a/drivers/media/i2c/tea6420.h b/drivers/media/i2c/tea6420.h
index 4aa3edb3e193..07f9d72a86bb 100644
--- a/drivers/media/i2c/tea6420.h
+++ b/drivers/media/i2c/tea6420.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INCLUDED_TEA6420__
 #define __INCLUDED_TEA6420__
 
diff --git a/drivers/media/mmc/Makefile b/drivers/media/mmc/Makefile
index 31e297a202fb..e847aa82ae41 100644
--- a/drivers/media/mmc/Makefile
+++ b/drivers/media/mmc/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += siano/
diff --git a/drivers/media/pci/Makefile b/drivers/media/pci/Makefile
index a7e8af0f64a7..1ab759e9b1bb 100644
--- a/drivers/media/pci/Makefile
+++ b/drivers/media/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel multimedia device drivers.
 #
diff --git a/drivers/media/pci/b2c2/Makefile b/drivers/media/pci/b2c2/Makefile
index b894320a5f21..35d6835ae43e 100644
--- a/drivers/media/pci/b2c2/Makefile
+++ b/drivers/media/pci/b2c2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifneq ($(CONFIG_DVB_B2C2_FLEXCOP_PCI),)
 b2c2-flexcop-pci-objs += flexcop-dma.o
 endif
diff --git a/drivers/media/pci/b2c2/flexcop-dma.c b/drivers/media/pci/b2c2/flexcop-dma.c
index 913dc97f8b49..f07610a1646d 100644
--- a/drivers/media/pci/b2c2/flexcop-dma.c
+++ b/drivers/media/pci/b2c2/flexcop-dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-dma.c - configuring and controlling the DMA of the FlexCop
diff --git a/drivers/media/pci/bt8xx/Makefile b/drivers/media/pci/bt8xx/Makefile
index 2d4c3dd88be1..009f1dc1521f 100644
--- a/drivers/media/pci/bt8xx/Makefile
+++ b/drivers/media/pci/bt8xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 bttv-objs      :=      bttv-driver.o bttv-cards.o bttv-if.o \
 		       bttv-risc.o bttv-vbi.o bttv-i2c.o bttv-gpio.o \
 		       bttv-input.o bttv-audio-hook.o btcx-risc.o
diff --git a/drivers/media/pci/bt8xx/btcx-risc.h b/drivers/media/pci/bt8xx/btcx-risc.h
index 1ed7a000160a..dc774a64cd1f 100644
--- a/drivers/media/pci/bt8xx/btcx-risc.h
+++ b/drivers/media/pci/bt8xx/btcx-risc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 struct btcx_riscmem {
 	unsigned int   size;
 	__le32         *cpu;
diff --git a/drivers/media/pci/bt8xx/bttv.h b/drivers/media/pci/bt8xx/bttv.h
index 91301c3cad1e..eb67e362acf7 100644
--- a/drivers/media/pci/bt8xx/bttv.h
+++ b/drivers/media/pci/bt8xx/bttv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *  bttv - Bt848 frame grabber driver
diff --git a/drivers/media/pci/bt8xx/dst_priv.h b/drivers/media/pci/bt8xx/dst_priv.h
index 3974a4c6ebe7..a4319d41d141 100644
--- a/drivers/media/pci/bt8xx/dst_priv.h
+++ b/drivers/media/pci/bt8xx/dst_priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dst-bt878.h: part of the DST driver for the TwinHan DST Frontend
  *
diff --git a/drivers/media/pci/cx18/Makefile b/drivers/media/pci/cx18/Makefile
index d3ff1545c2c5..98914a40f6ac 100644
--- a/drivers/media/pci/cx18/Makefile
+++ b/drivers/media/pci/cx18/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cx18-objs    := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio.o \
 	cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \
 	cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \
diff --git a/drivers/media/pci/cx23885/Makefile b/drivers/media/pci/cx23885/Makefile
index a2cbdcf15a8c..b8bf7806124b 100644
--- a/drivers/media/pci/cx23885/Makefile
+++ b/drivers/media/pci/cx23885/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cx23885-objs	:= cx23885-cards.o cx23885-video.o cx23885-vbi.o \
 		    cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \
 		    cx23885-ioctl.o cx23885-ir.o cx23885-av.o cx23885-input.o \
diff --git a/drivers/media/pci/cx23885/cx23885-f300.h b/drivers/media/pci/cx23885/cx23885-f300.h
index be14d7de7cd8..34aef3610aa9 100644
--- a/drivers/media/pci/cx23885/cx23885-f300.h
+++ b/drivers/media/pci/cx23885/cx23885-f300.h
@@ -1,2 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern int f300_set_voltage(struct dvb_frontend *fe,
 			    enum fe_sec_voltage voltage);
diff --git a/drivers/media/pci/cx25821/Makefile b/drivers/media/pci/cx25821/Makefile
index c8f8598a2b86..d14d65b1b042 100644
--- a/drivers/media/pci/cx25821/Makefile
+++ b/drivers/media/pci/cx25821/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cx25821-y   := cx25821-core.o cx25821-cards.o cx25821-i2c.o \
 		       cx25821-gpio.o cx25821-medusa-video.o \
 		       cx25821-video.o
diff --git a/drivers/media/pci/cx88/Makefile b/drivers/media/pci/cx88/Makefile
index d3679c3ee248..86646eee4e6b 100644
--- a/drivers/media/pci/cx88/Makefile
+++ b/drivers/media/pci/cx88/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cx88xx-objs	:= cx88-cards.o cx88-core.o cx88-i2c.o cx88-tvaudio.o \
 		   cx88-dsp.o cx88-input.o
 cx8800-objs	:= cx88-video.o cx88-vbi.o
diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c
index 2d0ef19e6d65..c637679b01b2 100644
--- a/drivers/media/pci/cx88/cx88-vbi.c
+++ b/drivers/media/pci/cx88/cx88-vbi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  */
 
diff --git a/drivers/media/pci/ddbridge/Makefile b/drivers/media/pci/ddbridge/Makefile
index 09703312a3f1..7453b65104ff 100644
--- a/drivers/media/pci/ddbridge/Makefile
+++ b/drivers/media/pci/ddbridge/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ddbridge device driver
 #
diff --git a/drivers/media/pci/ivtv/Makefile b/drivers/media/pci/ivtv/Makefile
index 0eaa88298b7e..48f8a23f9a0f 100644
--- a/drivers/media/pci/ivtv/Makefile
+++ b/drivers/media/pci/ivtv/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ivtv-objs	:= ivtv-routing.o ivtv-cards.o ivtv-controls.o \
 		   ivtv-driver.o ivtv-fileops.o ivtv-firmware.o \
 		   ivtv-gpio.o ivtv-i2c.o ivtv-ioctl.o ivtv-irq.o \
diff --git a/drivers/media/pci/mantis/Makefile b/drivers/media/pci/mantis/Makefile
index f715051e4453..a684dc2ec79e 100644
--- a/drivers/media/pci/mantis/Makefile
+++ b/drivers/media/pci/mantis/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 mantis_core-objs :=	mantis_ioc.o	\
 			mantis_uart.o	\
 			mantis_dma.o	\
diff --git a/drivers/media/pci/netup_unidvb/Makefile b/drivers/media/pci/netup_unidvb/Makefile
index ee6ae0501eae..07d3f1eb728b 100644
--- a/drivers/media/pci/netup_unidvb/Makefile
+++ b/drivers/media/pci/netup_unidvb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 netup-unidvb-objs += netup_unidvb_core.o
 netup-unidvb-objs += netup_unidvb_i2c.o
 netup-unidvb-objs += netup_unidvb_ci.o
diff --git a/drivers/media/pci/ngene/Makefile b/drivers/media/pci/ngene/Makefile
index 5c0b5d6b9d69..dbdf284970f8 100644
--- a/drivers/media/pci/ngene/Makefile
+++ b/drivers/media/pci/ngene/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the nGene device driver
 #
diff --git a/drivers/media/pci/pt3/Makefile b/drivers/media/pci/pt3/Makefile
index 396f146b1c18..aded8752ac2b 100644
--- a/drivers/media/pci/pt3/Makefile
+++ b/drivers/media/pci/pt3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 earth-pt3-objs += pt3.o pt3_i2c.o pt3_dma.o
 
diff --git a/drivers/media/pci/saa7134/Makefile b/drivers/media/pci/saa7134/Makefile
index 09c43da67588..dbaadddf4320 100644
--- a/drivers/media/pci/saa7134/Makefile
+++ b/drivers/media/pci/saa7134/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 saa7134-y +=	saa7134-cards.o saa7134-core.o saa7134-i2c.o
 saa7134-y +=	saa7134-ts.o saa7134-tvaudio.o saa7134-vbi.o
diff --git a/drivers/media/pci/saa7134/saa7134-reg.h b/drivers/media/pci/saa7134/saa7134-reg.h
index b6ea6f4f9b6c..56b12641d733 100644
--- a/drivers/media/pci/saa7134/saa7134-reg.h
+++ b/drivers/media/pci/saa7134/saa7134-reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * philips saa7134 registers
diff --git a/drivers/media/pci/saa7164/Makefile b/drivers/media/pci/saa7164/Makefile
index ba0e33a1ee24..3896bcdb99d2 100644
--- a/drivers/media/pci/saa7164/Makefile
+++ b/drivers/media/pci/saa7164/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 saa7164-objs	:= saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \
 			saa7164-fw.o saa7164-bus.o saa7164-cmd.o saa7164-api.o \
 			saa7164-buffer.o saa7164-encoder.o saa7164-vbi.o
diff --git a/drivers/media/pci/smipcie/Makefile b/drivers/media/pci/smipcie/Makefile
index 013bc3fe4294..6006aac3c41f 100644
--- a/drivers/media/pci/smipcie/Makefile
+++ b/drivers/media/pci/smipcie/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 smipcie-objs	:= smipcie-main.o smipcie-ir.o
 
diff --git a/drivers/media/pci/ttpci/Makefile b/drivers/media/pci/ttpci/Makefile
index 3cf617737f7c..0b805339c123 100644
--- a/drivers/media/pci/ttpci/Makefile
+++ b/drivers/media/pci/ttpci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel SAA7146 FULL TS DVB device driver
 # and the AV7110 DVB device driver
diff --git a/drivers/media/pci/ttpci/av7110.h b/drivers/media/pci/ttpci/av7110.h
index 347827925c14..cd09fd6e6548 100644
--- a/drivers/media/pci/ttpci/av7110.h
+++ b/drivers/media/pci/ttpci/av7110.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AV7110_H_
 #define _AV7110_H_
 
diff --git a/drivers/media/pci/ttpci/av7110_av.h b/drivers/media/pci/ttpci/av7110_av.h
index f52276f47709..71bbd4391f57 100644
--- a/drivers/media/pci/ttpci/av7110_av.h
+++ b/drivers/media/pci/ttpci/av7110_av.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AV7110_AV_H_
 #define _AV7110_AV_H_
 
diff --git a/drivers/media/pci/ttpci/av7110_ca.h b/drivers/media/pci/ttpci/av7110_ca.h
index 70ee855ece1b..a6e3f2955730 100644
--- a/drivers/media/pci/ttpci/av7110_ca.h
+++ b/drivers/media/pci/ttpci/av7110_ca.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AV7110_CA_H_
 #define _AV7110_CA_H_
 
diff --git a/drivers/media/pci/ttpci/av7110_hw.h b/drivers/media/pci/ttpci/av7110_hw.h
index ccb148059406..6380d8950c69 100644
--- a/drivers/media/pci/ttpci/av7110_hw.h
+++ b/drivers/media/pci/ttpci/av7110_hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AV7110_HW_H_
 #define _AV7110_HW_H_
 
diff --git a/drivers/media/pci/ttpci/av7110_ipack.c b/drivers/media/pci/ttpci/av7110_ipack.c
index 699ef8b5b99a..5aff26574fe1 100644
--- a/drivers/media/pci/ttpci/av7110_ipack.c
+++ b/drivers/media/pci/ttpci/av7110_ipack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "dvb_filter.h"
 #include "av7110_ipack.h"
 #include <linux/string.h>	/* for memcpy() */
diff --git a/drivers/media/pci/ttpci/av7110_ipack.h b/drivers/media/pci/ttpci/av7110_ipack.h
index becf94d3fdfa..943ec899bb93 100644
--- a/drivers/media/pci/ttpci/av7110_ipack.h
+++ b/drivers/media/pci/ttpci/av7110_ipack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AV7110_IPACK_H_
 #define _AV7110_IPACK_H_
 
diff --git a/drivers/media/pci/ttpci/budget.h b/drivers/media/pci/ttpci/budget.h
index d5ae4438153e..fae83866b199 100644
--- a/drivers/media/pci/ttpci/budget.h
+++ b/drivers/media/pci/ttpci/budget.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __BUDGET_DVB__
 #define __BUDGET_DVB__
diff --git a/drivers/media/pci/ttpci/dvb_filter.c b/drivers/media/pci/ttpci/dvb_filter.c
index b67127b67d4e..8c2eca5dcdc9 100644
--- a/drivers/media/pci/ttpci/dvb_filter.c
+++ b/drivers/media/pci/ttpci/dvb_filter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/string.h>
diff --git a/drivers/media/pci/tw5864/tw5864-util.c b/drivers/media/pci/tw5864/tw5864-util.c
index 771eef235755..b9cebe9d1740 100644
--- a/drivers/media/pci/tw5864/tw5864-util.c
+++ b/drivers/media/pci/tw5864/tw5864-util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tw5864.h"
 
 void tw5864_indir_writeb(struct tw5864_dev *dev, u16 addr, u8 data)
diff --git a/drivers/media/pci/tw686x/tw686x-regs.h b/drivers/media/pci/tw686x/tw686x-regs.h
index 15a956642ef4..8adacc928be1 100644
--- a/drivers/media/pci/tw686x/tw686x-regs.h
+++ b/drivers/media/pci/tw686x/tw686x-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* DMA controller registers */
 #define REG8_1(a0) ((const u16[8]) { a0, a0 + 1, a0 + 2, a0 + 3, \
 				     a0 + 4, a0 + 5, a0 + 6, a0 + 7})
diff --git a/drivers/media/pci/zoran/Makefile b/drivers/media/pci/zoran/Makefile
index 44cc13352c88..21ac29a71458 100644
--- a/drivers/media/pci/zoran/Makefile
+++ b/drivers/media/pci/zoran/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 zr36067-objs	:=	zoran_procfs.o zoran_device.o \
 			zoran_driver.o zoran_card.o
 
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index c1ef946bf032..327f80a6f82c 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the video capture/playback device drivers.
 #
diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h
index 6936ac467609..e6cef966dcbf 100644
--- a/drivers/media/platform/atmel/atmel-isc-regs.h
+++ b/drivers/media/platform/atmel/atmel-isc-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_ISC_REGS_H
 #define __ATMEL_ISC_REGS_H
 
diff --git a/drivers/media/platform/coda/trace.h b/drivers/media/platform/coda/trace.h
index f20666a4aa89..ca671e315ad0 100644
--- a/drivers/media/platform/coda/trace.h
+++ b/drivers/media/platform/coda/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM coda
 
diff --git a/drivers/media/platform/davinci/Makefile b/drivers/media/platform/davinci/Makefile
index d74d9eeb0e9e..05c45bf371aa 100644
--- a/drivers/media/platform/davinci/Makefile
+++ b/drivers/media/platform/davinci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the davinci video device drivers.
 #
diff --git a/drivers/media/platform/exynos4-is/Makefile b/drivers/media/platform/exynos4-is/Makefile
index eed1b185d813..a5ab01c73b95 100644
--- a/drivers/media/platform/exynos4-is/Makefile
+++ b/drivers/media/platform/exynos4-is/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 s5p-fimc-objs := fimc-core.o fimc-reg.o fimc-m2m.o fimc-capture.o media-dev.o
 exynos-fimc-lite-objs += fimc-lite-reg.o fimc-lite.o
 s5p-csis-objs := mipi-csis.o
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index b07a251e8857..7b7250b1cff8 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The Marvell camera core.  This device appears in a number of settings,
  * so it needs platform-specific support outside of the core.
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.h b/drivers/media/platform/marvell-ccic/mcam-core.h
index beb339f5561f..ad8955f9f0a1 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.h
+++ b/drivers/media/platform/marvell-ccic/mcam-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Marvell camera core structures.
  *
diff --git a/drivers/media/platform/mtk-mdp/Makefile b/drivers/media/platform/mtk-mdp/Makefile
index f8025699af99..5982d65c9971 100644
--- a/drivers/media/platform/mtk-mdp/Makefile
+++ b/drivers/media/platform/mtk-mdp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 mtk-mdp-y += mtk_mdp_core.o
 mtk-mdp-y += mtk_mdp_comp.o
 mtk-mdp-y += mtk_mdp_m2m.o
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index 852d9697ccfa..37b94b555fa1 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \
 				       mtk-vcodec-enc.o \
diff --git a/drivers/media/platform/omap3isp/Makefile b/drivers/media/platform/omap3isp/Makefile
index 254975a9174e..56e99b4f7d23 100644
--- a/drivers/media/platform/omap3isp/Makefile
+++ b/drivers/media/platform/omap3isp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for OMAP3 ISP driver
 
 ccflags-$(CONFIG_VIDEO_OMAP3_DEBUG) += -DDEBUG
diff --git a/drivers/media/platform/qcom/venus/Makefile b/drivers/media/platform/qcom/venus/Makefile
index 0fe9afb83697..bfd4edf7c83f 100644
--- a/drivers/media/platform/qcom/venus/Makefile
+++ b/drivers/media/platform/qcom/venus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for Qualcomm Venus driver
 
 venus-core-objs += core.o helpers.o firmware.o \
diff --git a/drivers/media/platform/s5p-mfc/Makefile b/drivers/media/platform/s5p-mfc/Makefile
index 15f59b324fef..0b324af2ab00 100644
--- a/drivers/media/platform/s5p-mfc/Makefile
+++ b/drivers/media/platform/s5p-mfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc.o
 s5p-mfc-y += s5p_mfc.o s5p_mfc_intr.o
 s5p-mfc-y += s5p_mfc_dec.o s5p_mfc_enc.o
diff --git a/drivers/media/platform/sti/c8sectpfe/Makefile b/drivers/media/platform/sti/c8sectpfe/Makefile
index b578c7cb4c34..b642b4fd5045 100644
--- a/drivers/media/platform/sti/c8sectpfe/Makefile
+++ b/drivers/media/platform/sti/c8sectpfe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 c8sectpfe-y += c8sectpfe-core.o c8sectpfe-common.o c8sectpfe-dvb.o \
 		c8sectpfe-debugfs.o
 
diff --git a/drivers/media/platform/ti-vpe/Makefile b/drivers/media/platform/ti-vpe/Makefile
index 32504b724b5d..886ac5ec073f 100644
--- a/drivers/media/platform/ti-vpe/Makefile
+++ b/drivers/media/platform/ti-vpe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe.o
 obj-$(CONFIG_VIDEO_TI_VPDMA) += ti-vpdma.o
 obj-$(CONFIG_VIDEO_TI_SC) += ti-sc.o
diff --git a/drivers/media/platform/via-camera.h b/drivers/media/platform/via-camera.h
index b12a4b3d616f..2d67f8ce258d 100644
--- a/drivers/media/platform/via-camera.h
+++ b/drivers/media/platform/via-camera.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * VIA Camera register definitions.
  */
diff --git a/drivers/media/platform/vimc/Makefile b/drivers/media/platform/vimc/Makefile
index 68c5d9804c11..4b2e3de7856e 100644
--- a/drivers/media/platform/vimc/Makefile
+++ b/drivers/media/platform/vimc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vimc-objs := vimc-core.o
 vimc_capture-objs := vimc-capture.o
 vimc_common-objs := vimc-common.o
diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile
index 29738810e3ee..2f5762e3309a 100644
--- a/drivers/media/platform/vivid/Makefile
+++ b/drivers/media/platform/vivid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \
 		vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \
 		vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \
diff --git a/drivers/media/platform/vsp1/Makefile b/drivers/media/platform/vsp1/Makefile
index a33afc385a48..f5cd6f0491cb 100644
--- a/drivers/media/platform/vsp1/Makefile
+++ b/drivers/media/platform/vsp1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vsp1-y					:= vsp1_drv.o vsp1_entity.o vsp1_pipe.o
 vsp1-y					+= vsp1_dl.o vsp1_drm.o vsp1_video.o
 vsp1-y					+= vsp1_rpf.o vsp1_rwpf.o vsp1_wpf.o
diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
index 120e791199b2..37e6e8255b57 100644
--- a/drivers/media/radio/Makefile
+++ b/drivers/media/radio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel character device drivers.
 #
diff --git a/drivers/media/radio/lm7000.h b/drivers/media/radio/lm7000.h
index 139cd6b68824..adb217965620 100644
--- a/drivers/media/radio/lm7000.h
+++ b/drivers/media/radio/lm7000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LM7000_H
 #define __LM7000_H
 
diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile
index 9bc6a3980ed0..ab3d5a135453 100644
--- a/drivers/media/rc/Makefile
+++ b/drivers/media/rc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rc-core-objs	:= rc-main.o rc-ir-raw.o
 
 obj-y += keymaps/
diff --git a/drivers/media/rc/img-ir/Makefile b/drivers/media/rc/img-ir/Makefile
index 8e6d458e66ad..741fedc5dceb 100644
--- a/drivers/media/rc/img-ir/Makefile
+++ b/drivers/media/rc/img-ir/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 img-ir-y			:= img-ir-core.o
 img-ir-$(CONFIG_IR_IMG_RAW)	+= img-ir-raw.o
 img-ir-$(CONFIG_IR_IMG_HW)	+= img-ir-hw.o
diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile
index af6496d709fb..2d0b26bf2051 100644
--- a/drivers/media/rc/keymaps/Makefile
+++ b/drivers/media/rc/keymaps/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
 			rc-alink-dtu-m.o \
 			rc-anysee.o \
diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile
index 06a9ab65e5fa..7be96511532d 100644
--- a/drivers/media/tuners/Makefile
+++ b/drivers/media/tuners/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for common V4L/DVB tuners
 #
diff --git a/drivers/media/tuners/fc0011.h b/drivers/media/tuners/fc0011.h
index 438cf897acd1..a36871c44c8c 100644
--- a/drivers/media/tuners/fc0011.h
+++ b/drivers/media/tuners/fc0011.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_FC0011_H_
 #define LINUX_FC0011_H_
 
diff --git a/drivers/media/tuners/mt2063.h b/drivers/media/tuners/mt2063.h
index e55e0a6dd1be..0e3e3b0525bb 100644
--- a/drivers/media/tuners/mt2063.h
+++ b/drivers/media/tuners/mt2063.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MT2063_H__
 #define __MT2063_H__
 
diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile
index 738b993ec8b0..21e46b10caa5 100644
--- a/drivers/media/usb/Makefile
+++ b/drivers/media/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the USB media device drivers
 #
diff --git a/drivers/media/usb/as102/Makefile b/drivers/media/usb/as102/Makefile
index 22f43eee4a3b..56bd2d00b920 100644
--- a/drivers/media/usb/as102/Makefile
+++ b/drivers/media/usb/as102/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dvb-as102-objs := as102_drv.o as102_fw.o as10x_cmd.o as10x_cmd_stream.o \
 		  as102_usb_drv.o as10x_cmd_cfg.o
 
diff --git a/drivers/media/usb/au0828/Makefile b/drivers/media/usb/au0828/Makefile
index 3dc7539a5c4e..c06ef6601f2d 100644
--- a/drivers/media/usb/au0828/Makefile
+++ b/drivers/media/usb/au0828/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 au0828-objs	:= au0828-core.o au0828-i2c.o au0828-cards.o au0828-dvb.o
 
 ifeq ($(CONFIG_VIDEO_AU0828_V4L2),y)
diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h
index 25ad43166e78..e86faa0e06ca 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.h
+++ b/drivers/media/usb/b2c2/flexcop-usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
  * flexcop-usb.h - header file for the USB part
diff --git a/drivers/media/usb/cx231xx/Makefile b/drivers/media/usb/cx231xx/Makefile
index 52cf76935e69..19e8c35d6a77 100644
--- a/drivers/media/usb/cx231xx/Makefile
+++ b/drivers/media/usb/cx231xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cx231xx-y += cx231xx-video.o cx231xx-i2c.o cx231xx-cards.o cx231xx-core.o
 cx231xx-y += cx231xx-avcore.o cx231xx-417.o cx231xx-pcb-cfg.o cx231xx-vbi.o
 cx231xx-$(CONFIG_VIDEO_CX231XX_RC) += cx231xx-input.o
diff --git a/drivers/media/usb/dvb-usb-v2/Makefile b/drivers/media/usb/dvb-usb-v2/Makefile
index 969f68e55265..bed44601f324 100644
--- a/drivers/media/usb/dvb-usb-v2/Makefile
+++ b/drivers/media/usb/dvb-usb-v2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dvb_usb_v2-objs := dvb_usb_core.o dvb_usb_urb.o usb_urb.o
 obj-$(CONFIG_DVB_USB_V2) += dvb_usb_v2.o
 
diff --git a/drivers/media/usb/dvb-usb-v2/gl861.h b/drivers/media/usb/dvb-usb-v2/gl861.h
index b0b80d87bb7e..b651b857e034 100644
--- a/drivers/media/usb/dvb-usb-v2/gl861.h
+++ b/drivers/media/usb/dvb-usb-v2/gl861.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_GL861_H_
 #define _DVB_USB_GL861_H_
 
diff --git a/drivers/media/usb/dvb-usb-v2/usb_urb.c b/drivers/media/usb/dvb-usb-v2/usb_urb.c
index 55136cde38f5..dce2b97efce4 100644
--- a/drivers/media/usb/dvb-usb-v2/usb_urb.c
+++ b/drivers/media/usb/dvb-usb-v2/usb_urb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* usb-urb.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/Makefile b/drivers/media/usb/dvb-usb/Makefile
index 3b3f32b426d1..16de1e4f36a4 100644
--- a/drivers/media/usb/dvb-usb/Makefile
+++ b/drivers/media/usb/dvb-usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dvb-usb-objs += dvb-usb-firmware.o dvb-usb-init.o dvb-usb-urb.o dvb-usb-i2c.o
 dvb-usb-objs += dvb-usb-dvb.o dvb-usb-remote.o usb-urb.o
 obj-$(CONFIG_DVB_USB) += dvb-usb.o
diff --git a/drivers/media/usb/dvb-usb/af9005-script.h b/drivers/media/usb/dvb-usb/af9005-script.h
index 4d69045426dd..870cb59cd904 100644
--- a/drivers/media/usb/dvb-usb/af9005-script.h
+++ b/drivers/media/usb/dvb-usb/af9005-script.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
 File automatically generated by createinit.py using data
 extracted from AF05BDA.sys (windows driver):
diff --git a/drivers/media/usb/dvb-usb/az6027.h b/drivers/media/usb/dvb-usb/az6027.h
index f3afe17f3f3d..95b056b36030 100644
--- a/drivers/media/usb/dvb-usb/az6027.h
+++ b/drivers/media/usb/dvb-usb/az6027.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_VP6027_H_
 #define _DVB_USB_VP6027_H_
 
diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h
index 66429d7f69b5..88f9b9804b25 100644
--- a/drivers/media/usb/dvb-usb/cxusb.h
+++ b/drivers/media/usb/dvb-usb/cxusb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_CXUSB_H_
 #define _DVB_USB_CXUSB_H_
 
diff --git a/drivers/media/usb/dvb-usb/dib07x0.h b/drivers/media/usb/dvb-usb/dib07x0.h
index 7e62c1018520..2e67f794fe37 100644
--- a/drivers/media/usb/dvb-usb/dib07x0.h
+++ b/drivers/media/usb/dvb-usb/dib07x0.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DIB07X0_H_
 #define _DIB07X0_H_
 
diff --git a/drivers/media/usb/dvb-usb/digitv.h b/drivers/media/usb/dvb-usb/digitv.h
index 581e09c25491..2af9fedfad70 100644
--- a/drivers/media/usb/dvb-usb/digitv.h
+++ b/drivers/media/usb/dvb-usb/digitv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_DIGITV_H_
 #define _DVB_USB_DIGITV_H_
 
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-common.h b/drivers/media/usb/dvb-usb/dvb-usb-common.h
index 7e619d638809..8c51ac4493dd 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-common.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* dvb-usb-common.h is part of the DVB USB library.
  *
  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
index e5675da286cb..3a66e732e0d8 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* dvb-usb-dvb.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
index 04033efe7ad5..15c153e49382 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* dvb-usb-firmware.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
index 4f0b0adce7f5..ca0b734e009b 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* dvb-usb-i2c.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-remote.c b/drivers/media/usb/dvb-usb/dvb-usb-remote.c
index 0b03f9bd9c26..701c10835482 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-remote.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* dvb-usb-remote.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-urb.c b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
index 95f9097498cb..c1b4e94a37f8 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* dvb-usb-urb.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h
index 72468fdffa18..6c7c4637530f 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* dvb-usb.h is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/dw2102.h b/drivers/media/usb/dvb-usb/dw2102.h
index 5cd0b0eb6ce1..f64cf79b7934 100644
--- a/drivers/media/usb/dvb-usb/dw2102.h
+++ b/drivers/media/usb/dvb-usb/dw2102.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DW2102_H_
 #define _DW2102_H_
 
diff --git a/drivers/media/usb/dvb-usb/m920x.h b/drivers/media/usb/dvb-usb/m920x.h
index 3c061518ffc1..bab3c6ac7084 100644
--- a/drivers/media/usb/dvb-usb/m920x.h
+++ b/drivers/media/usb/dvb-usb/m920x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_M920X_H_
 #define _DVB_USB_M920X_H_
 
diff --git a/drivers/media/usb/dvb-usb/usb-urb.c b/drivers/media/usb/dvb-usb/usb-urb.c
index 89173603be67..2804d2d0e83a 100644
--- a/drivers/media/usb/dvb-usb/usb-urb.c
+++ b/drivers/media/usb/dvb-usb/usb-urb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* usb-urb.c is part of the DVB USB library.
  *
  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
diff --git a/drivers/media/usb/dvb-usb/vp702x.h b/drivers/media/usb/dvb-usb/vp702x.h
index 20b90055e7ac..18ad7ced2045 100644
--- a/drivers/media/usb/dvb-usb/vp702x.h
+++ b/drivers/media/usb/dvb-usb/vp702x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DVB_USB_VP7021_H_
 #define _DVB_USB_VP7021_H_
 
diff --git a/drivers/media/usb/em28xx/Makefile b/drivers/media/usb/em28xx/Makefile
index 3f850d5063d0..86bfc35e2ed4 100644
--- a/drivers/media/usb/em28xx/Makefile
+++ b/drivers/media/usb/em28xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 em28xx-y +=	em28xx-core.o em28xx-i2c.o em28xx-cards.o em28xx-camera.o
 
 em28xx-v4l-objs := em28xx-video.o em28xx-vbi.o
diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h
index 747525ca7ed5..9e5cdfb25a73 100644
--- a/drivers/media/usb/em28xx/em28xx-reg.h
+++ b/drivers/media/usb/em28xx/em28xx-reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define EM_GPIO_0  (1 << 0)
 #define EM_GPIO_1  (1 << 1)
 #define EM_GPIO_2  (1 << 2)
diff --git a/drivers/media/usb/go7007/Makefile b/drivers/media/usb/go7007/Makefile
index e99287c3b828..3d95bbc4192c 100644
--- a/drivers/media/usb/go7007/Makefile
+++ b/drivers/media/usb/go7007/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIDEO_GO7007) += go7007.o
 obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o
 obj-$(CONFIG_VIDEO_GO7007_LOADER) += go7007-loader.o
diff --git a/drivers/media/usb/gspca/Makefile b/drivers/media/usb/gspca/Makefile
index 9f5ccecb9c8a..3e3ecbffdf9f 100644
--- a/drivers/media/usb/gspca/Makefile
+++ b/drivers/media/usb/gspca/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_GSPCA)          += gspca_main.o
 obj-$(CONFIG_USB_GSPCA_BENQ)     += gspca_benq.o
 obj-$(CONFIG_USB_GSPCA_CONEX)    += gspca_conex.o
diff --git a/drivers/media/usb/gspca/gl860/Makefile b/drivers/media/usb/gspca/gl860/Makefile
index cf6397415aad..7bcfa36f12ac 100644
--- a/drivers/media/usb/gspca/gl860/Makefile
+++ b/drivers/media/usb/gspca/gl860/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_GL860) += gspca_gl860.o
 
 gspca_gl860-objs := gl860.o \
diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h
index d39adf90303b..9e0cf711642b 100644
--- a/drivers/media/usb/gspca/gspca.h
+++ b/drivers/media/usb/gspca/gspca.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GSPCAV2_H
 #define GSPCAV2_H
 
diff --git a/drivers/media/usb/gspca/m5602/Makefile b/drivers/media/usb/gspca/m5602/Makefile
index 8e1fb5a1d2a1..95c9db6dc59c 100644
--- a/drivers/media/usb/gspca/m5602/Makefile
+++ b/drivers/media/usb/gspca/m5602/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_M5602) += gspca_m5602.o
 
 gspca_m5602-objs := m5602_core.o \
diff --git a/drivers/media/usb/gspca/stv06xx/Makefile b/drivers/media/usb/gspca/stv06xx/Makefile
index 3a4b2f899049..c4d7206e0c92 100644
--- a/drivers/media/usb/gspca/stv06xx/Makefile
+++ b/drivers/media/usb/gspca/stv06xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_STV06XX) += gspca_stv06xx.o
 
 gspca_stv06xx-objs := stv06xx.o \
diff --git a/drivers/media/usb/pvrusb2/Makefile b/drivers/media/usb/pvrusb2/Makefile
index ad705547bdce..0d84064036b2 100644
--- a/drivers/media/usb/pvrusb2/Makefile
+++ b/drivers/media/usb/pvrusb2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-pvrusb2-sysfs-$(CONFIG_VIDEO_PVRUSB2_SYSFS) := pvrusb2-sysfs.o
 obj-pvrusb2-debugifc-$(CONFIG_VIDEO_PVRUSB2_DEBUGIFC) := pvrusb2-debugifc.o
 obj-pvrusb2-dvb-$(CONFIG_VIDEO_PVRUSB2_DVB) := pvrusb2-dvb.o
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.h b/drivers/media/usb/pvrusb2/pvrusb2-dvb.h
index 884ff916a352..b500c86d4178 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.h
+++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PVRUSB2_DVB_H__
 #define __PVRUSB2_DVB_H__
 
diff --git a/drivers/media/usb/pwc/pwc-nala.h b/drivers/media/usb/pwc/pwc-nala.h
index 168c73ef75d8..0fe9d473f4e9 100644
--- a/drivers/media/usb/pwc/pwc-nala.h
+++ b/drivers/media/usb/pwc/pwc-nala.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
    /* SQCIF */
    {
       {0, 0, {0x04, 0x01, 0x03}},
diff --git a/drivers/media/usb/stk1160/Makefile b/drivers/media/usb/stk1160/Makefile
index 42d05463b353..613471528749 100644
--- a/drivers/media/usb/stk1160/Makefile
+++ b/drivers/media/usb/stk1160/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 stk1160-y := 	stk1160-core.o \
 		stk1160-v4l.o \
 		stk1160-video.o \
diff --git a/drivers/media/usb/tm6000/Makefile b/drivers/media/usb/tm6000/Makefile
index f2644933b8d1..05322a72e862 100644
--- a/drivers/media/usb/tm6000/Makefile
+++ b/drivers/media/usb/tm6000/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 tm6000-y := tm6000-cards.o \
 		   tm6000-core.o  \
 		   tm6000-i2c.o   \
diff --git a/drivers/media/usb/usbvision/usbvision-cards.h b/drivers/media/usb/usbvision/usbvision-cards.h
index a51cc1185cce..07ec83512743 100644
--- a/drivers/media/usb/usbvision/usbvision-cards.h
+++ b/drivers/media/usb/usbvision/usbvision-cards.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define XANBOO                                   0
 #define BELKIN_VIDEOBUS_II                       1
 #define BELKIN_VIDEOBUS                          2
diff --git a/drivers/media/usb/uvc/Makefile b/drivers/media/usb/uvc/Makefile
index c26d12fdb8f4..a4fe5b5d533f 100644
--- a/drivers/media/usb/uvc/Makefile
+++ b/drivers/media/usb/uvc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 uvcvideo-objs  := uvc_driver.o uvc_queue.o uvc_v4l2.o uvc_video.o uvc_ctrl.o \
 		  uvc_status.o uvc_isight.o uvc_debugfs.o
 ifeq ($(CONFIG_MEDIA_CONTROLLER),y)
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 34c7ee6cc9e5..05398784d1c8 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _USB_VIDEO_H_
 #define _USB_VIDEO_H_
 
diff --git a/drivers/media/v4l2-core/Makefile b/drivers/media/v4l2-core/Makefile
index 098ad5fd5231..77303286aef7 100644
--- a/drivers/media/v4l2-core/Makefile
+++ b/drivers/media/v4l2-core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the V4L2 core
 #
diff --git a/drivers/media/v4l2-core/v4l2-trace.c b/drivers/media/v4l2-core/v4l2-trace.c
index 7416010542c1..95f3b02e1f84 100644
--- a/drivers/media/v4l2-core/v4l2-trace.c
+++ b/drivers/media/v4l2-core/v4l2-trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <media/v4l2-common.h>
 #include <media/v4l2-fh.h>
 #include <media/videobuf2-v4l2.h>
diff --git a/drivers/media/v4l2-core/vb2-trace.c b/drivers/media/v4l2-core/vb2-trace.c
index 61e74f5936b3..4c0f39d271f0 100644
--- a/drivers/media/v4l2-core/vb2-trace.c
+++ b/drivers/media/v4l2-core/vb2-trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <media/videobuf2-core.h>
 
 #define CREATE_TRACE_POINTS
diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
index e88097fbc085..470b93e3858d 100644
--- a/drivers/memory/Makefile
+++ b/drivers/memory/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for memory devices
 #
diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile
index c2cb671ffc4a..b44e8627a5e0 100644
--- a/drivers/memory/tegra/Makefile
+++ b/drivers/memory/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 tegra-mc-y := mc.o
 
 tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC)  += tegra30.o
diff --git a/drivers/memstick/host/Makefile b/drivers/memstick/host/Makefile
index 491c9557441d..1abaa03ee68c 100644
--- a/drivers/memstick/host/Makefile
+++ b/drivers/memstick/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for MemoryStick host controller drivers
 #
diff --git a/drivers/message/fusion/Makefile b/drivers/message/fusion/Makefile
index d182a24b3195..e2d98b5c6f98 100644
--- a/drivers/message/fusion/Makefile
+++ b/drivers/message/fusion/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Fusion MPT drivers; recognized debug defines...
 
 # enable verbose logging
diff --git a/drivers/message/fusion/lsi/mpi.h b/drivers/message/fusion/lsi/mpi.h
index 11c0f461320e..a575545d681f 100644
--- a/drivers/message/fusion/lsi/mpi.h
+++ b/drivers/message/fusion/lsi/mpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_cnfg.h b/drivers/message/fusion/lsi/mpi_cnfg.h
index d9bcfba6b049..4e9c0ce94f27 100644
--- a/drivers/message/fusion/lsi/mpi_cnfg.h
+++ b/drivers/message/fusion/lsi/mpi_cnfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_fc.h b/drivers/message/fusion/lsi/mpi_fc.h
index 7d663ce76f8c..bdea95e0cde2 100644
--- a/drivers/message/fusion/lsi/mpi_fc.h
+++ b/drivers/message/fusion/lsi/mpi_fc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_init.h b/drivers/message/fusion/lsi/mpi_init.h
index 4295d062caa7..bc6326ff2f22 100644
--- a/drivers/message/fusion/lsi/mpi_init.h
+++ b/drivers/message/fusion/lsi/mpi_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_ioc.h b/drivers/message/fusion/lsi/mpi_ioc.h
index 19fb21b8f0ce..c249f2994fc1 100644
--- a/drivers/message/fusion/lsi/mpi_ioc.h
+++ b/drivers/message/fusion/lsi/mpi_ioc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_lan.h b/drivers/message/fusion/lsi/mpi_lan.h
index f41fcb69b359..d06f9928684a 100644
--- a/drivers/message/fusion/lsi/mpi_lan.h
+++ b/drivers/message/fusion/lsi/mpi_lan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_log_fc.h b/drivers/message/fusion/lsi/mpi_log_fc.h
index 03be8b217709..f1e75dd5dd58 100644
--- a/drivers/message/fusion/lsi/mpi_log_fc.h
+++ b/drivers/message/fusion/lsi/mpi_log_fc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation. All rights reserved.
  *
diff --git a/drivers/message/fusion/lsi/mpi_log_sas.h b/drivers/message/fusion/lsi/mpi_log_sas.h
index f62960b5d527..27fe17a75eaa 100644
--- a/drivers/message/fusion/lsi/mpi_log_sas.h
+++ b/drivers/message/fusion/lsi/mpi_log_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /***************************************************************************
  *                                                                         *
  *  Copyright (c) 2000-2008 LSI Corporation.  All rights reserved.         *
diff --git a/drivers/message/fusion/lsi/mpi_raid.h b/drivers/message/fusion/lsi/mpi_raid.h
index add60cc85be1..36688a921ef2 100644
--- a/drivers/message/fusion/lsi/mpi_raid.h
+++ b/drivers/message/fusion/lsi/mpi_raid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2001-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_sas.h b/drivers/message/fusion/lsi/mpi_sas.h
index ab410036bbfc..56013f288aaa 100644
--- a/drivers/message/fusion/lsi/mpi_sas.h
+++ b/drivers/message/fusion/lsi/mpi_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2004-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_targ.h b/drivers/message/fusion/lsi/mpi_targ.h
index c3dea7f6909d..97e6eead6cb4 100644
--- a/drivers/message/fusion/lsi/mpi_targ.h
+++ b/drivers/message/fusion/lsi/mpi_targ.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_tool.h b/drivers/message/fusion/lsi/mpi_tool.h
index 53cd715aa7e4..b11456fb8277 100644
--- a/drivers/message/fusion/lsi/mpi_tool.h
+++ b/drivers/message/fusion/lsi/mpi_tool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2001-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/lsi/mpi_type.h b/drivers/message/fusion/lsi/mpi_type.h
index 888b26dbc413..073e637cfdb4 100644
--- a/drivers/message/fusion/lsi/mpi_type.h
+++ b/drivers/message/fusion/lsi/mpi_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (c) 2000-2008 LSI Corporation.
  *
diff --git a/drivers/message/fusion/mptdebug.h b/drivers/message/fusion/mptdebug.h
index 28e478879284..2205dcab0adb 100644
--- a/drivers/message/fusion/mptdebug.h
+++ b/drivers/message/fusion/mptdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/drivers/message/fusion/mptdebug.h
  *      For use with LSI PCI chip/adapter(s)
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index c3d0a1b39bb6..8703ff17998e 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for multifunction miscellaneous devices
 #
diff --git a/drivers/mfd/twl-core.h b/drivers/mfd/twl-core.h
index 6ff99dce714f..6f96c2009a9f 100644
--- a/drivers/mfd/twl-core.h
+++ b/drivers/mfd/twl-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TWL_CORE_H__
 #define __TWL_CORE_H__
 
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index d84819dc2468..ad0e64fdba34 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for misc devices that really don't fit anywhere else.
 #
diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile
index 0b5fd749d96d..502d41fc9ea5 100644
--- a/drivers/misc/cxl/Makefile
+++ b/drivers/misc/cxl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y			:= $(call cc-disable-warning, unused-const-variable)
 ccflags-$(CONFIG_PPC_WERROR)	+= -Werror
 
diff --git a/drivers/misc/cxl/flash.c b/drivers/misc/cxl/flash.c
index 3aa216bf0939..43917898fb9a 100644
--- a/drivers/misc/cxl/flash.c
+++ b/drivers/misc/cxl/flash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/semaphore.h>
diff --git a/drivers/misc/eeprom/Makefile b/drivers/misc/eeprom/Makefile
index 90a52624ddeb..2aab60ef3e3e 100644
--- a/drivers/misc/eeprom/Makefile
+++ b/drivers/misc/eeprom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_EEPROM_AT24)	+= at24.o
 obj-$(CONFIG_EEPROM_AT25)	+= at25.o
 obj-$(CONFIG_EEPROM_LEGACY)	+= eeprom.o
diff --git a/drivers/misc/ibmasm/Makefile b/drivers/misc/ibmasm/Makefile
index 9e63ade5ffd6..1b9dd0f44411 100644
--- a/drivers/misc/ibmasm/Makefile
+++ b/drivers/misc/ibmasm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_IBM_ASM) := ibmasm.o
 
diff --git a/drivers/misc/lkdtm.h b/drivers/misc/lkdtm.h
index bfb6c45b6130..687a0dbbe199 100644
--- a/drivers/misc/lkdtm.h
+++ b/drivers/misc/lkdtm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LKDTM_H
 #define __LKDTM_H
 
diff --git a/drivers/misc/lkdtm_bugs.c b/drivers/misc/lkdtm_bugs.c
index 9e0b4f959987..b0f7af872bb5 100644
--- a/drivers/misc/lkdtm_bugs.c
+++ b/drivers/misc/lkdtm_bugs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is for all the tests related to logic bugs (e.g. bad dereferences,
  * bad alignment, bad loops, bad locking, bad scheduling, deep stacks, and
diff --git a/drivers/misc/lkdtm_heap.c b/drivers/misc/lkdtm_heap.c
index ffb6aeac07b3..f5494a6d4be5 100644
--- a/drivers/misc/lkdtm_heap.c
+++ b/drivers/misc/lkdtm_heap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is for all the tests relating directly to heap memory, including
  * page allocation and slab allocations.
diff --git a/drivers/misc/lkdtm_perms.c b/drivers/misc/lkdtm_perms.c
index c7635a79341f..53b85c9d16b8 100644
--- a/drivers/misc/lkdtm_perms.c
+++ b/drivers/misc/lkdtm_perms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is for all the tests related to validating kernel memory
  * permissions: non-executable regions, non-writable regions, and
diff --git a/drivers/misc/lkdtm_rodata.c b/drivers/misc/lkdtm_rodata.c
index 3564477b8c2d..58d180af72cf 100644
--- a/drivers/misc/lkdtm_rodata.c
+++ b/drivers/misc/lkdtm_rodata.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This includes functions that are meant to live entirely in .rodata
  * (via objcopy tricks), to validate the non-executability of .rodata.
diff --git a/drivers/misc/lkdtm_usercopy.c b/drivers/misc/lkdtm_usercopy.c
index df6ac985fbb5..a64372cc148d 100644
--- a/drivers/misc/lkdtm_usercopy.c
+++ b/drivers/misc/lkdtm_usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is for all the tests related to copy_to_user() and copy_from_user()
  * hardening.
diff --git a/drivers/misc/mei/Makefile b/drivers/misc/mei/Makefile
index 12cceb011a23..cd6825afa8e1 100644
--- a/drivers/misc/mei/Makefile
+++ b/drivers/misc/mei/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel Management Engine Interface (Intel MEI) Linux driver
 # Copyright (c) 2010-2014, Intel Corporation.
diff --git a/drivers/misc/mic/Makefile b/drivers/misc/mic/Makefile
index f2b1323ff96c..1a43622b183f 100644
--- a/drivers/misc/mic/Makefile
+++ b/drivers/misc/mic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel MIC Linux driver.
 # Copyright(c) 2013, Intel Corporation.
diff --git a/drivers/misc/mic/card/Makefile b/drivers/misc/mic/card/Makefile
index 6e9675e12a09..921a7e7e0fbd 100644
--- a/drivers/misc/mic/card/Makefile
+++ b/drivers/misc/mic/card/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel MIC Linux driver.
 # Copyright(c) 2013, Intel Corporation.
diff --git a/drivers/misc/mic/cosm/Makefile b/drivers/misc/mic/cosm/Makefile
index b85d4d49df46..97d74cb12030 100644
--- a/drivers/misc/mic/cosm/Makefile
+++ b/drivers/misc/mic/cosm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel MIC Coprocessor State Management (COSM) Driver
 # Copyright(c) 2015, Intel Corporation.
diff --git a/drivers/misc/mic/host/Makefile b/drivers/misc/mic/host/Makefile
index f3b502333ded..25f153367980 100644
--- a/drivers/misc/mic/host/Makefile
+++ b/drivers/misc/mic/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - Intel MIC Linux driver.
 # Copyright(c) 2013, Intel Corporation.
diff --git a/drivers/misc/mic/scif/Makefile b/drivers/misc/mic/scif/Makefile
index 29cfc3e51ac9..ff372555d118 100644
--- a/drivers/misc/mic/scif/Makefile
+++ b/drivers/misc/mic/scif/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile - SCIF driver.
 # Copyright(c) 2014, Intel Corporation.
diff --git a/drivers/misc/sgi-xp/Makefile b/drivers/misc/sgi-xp/Makefile
index 4fc40d8e1bcc..bbb622c19c06 100644
--- a/drivers/misc/sgi-xp/Makefile
+++ b/drivers/misc/sgi-xp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for SGI's XP devices.
 #
diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
index 7e3ed1aeada2..abba078f7f49 100644
--- a/drivers/mmc/core/Makefile
+++ b/drivers/mmc/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel mmc core.
 #
diff --git a/drivers/mmc/core/block.h b/drivers/mmc/core/block.h
index 860ca7c8df86..5946636101ef 100644
--- a/drivers/mmc/core/block.h
+++ b/drivers/mmc/core/block.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MMC_CORE_BLOCK_H
 #define _MMC_CORE_BLOCK_H
 
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index f18d3f656baa..6bfba32ffa66 100644
--- a/drivers/mmc/core/queue.h
+++ b/drivers/mmc/core/queue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MMC_QUEUE_H
 #define MMC_QUEUE_H
 
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index fb725934fa21..f664e9cbc9f8 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  This file contains work-arounds for many known SD/MMC
  *  and SDIO hardware bugs.
diff --git a/drivers/mmc/core/sd.h b/drivers/mmc/core/sd.h
index 1ada9808c329..497c026a5c5a 100644
--- a/drivers/mmc/core/sd.h
+++ b/drivers/mmc/core/sd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MMC_CORE_SD_H
 #define _MMC_CORE_SD_H
 
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 303f5cd46cd9..7c7b29ff591a 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for MMC/SD host controller drivers
 #
diff --git a/drivers/mmc/host/dw_mmc-zx.h b/drivers/mmc/host/dw_mmc-zx.h
index f369997a39ec..09ac52766f14 100644
--- a/drivers/mmc/host/dw_mmc-zx.h
+++ b/drivers/mmc/host/dw_mmc-zx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DW_MMC_ZX_H_
 #define _DW_MMC_ZX_H_
 
diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h
index f6c2e2fcce37..d301ca18c5d4 100644
--- a/drivers/mmc/host/pxamci.h
+++ b/drivers/mmc/host/pxamci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define MMC_STRPCL	0x0000
 #define STOP_CLOCK		(1 << 0)
 #define START_CLOCK		(2 << 0)
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index 75196a2b5289..3e8ea3e566f6 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SDHCI_PCI_H
 #define __SDHCI_PCI_H
 
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 151d60df303a..d6f8f625e1ff 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the memory technology device drivers.
 #
diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile
index 36582412ccda..1f4e84f1cd88 100644
--- a/drivers/mtd/chips/Makefile
+++ b/drivers/mtd/chips/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/drivers/chips/Makefile
 #
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index 800b0e853e86..53e6b2d5932b 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FWH_LOCK_H
 #define FWH_LOCK_H
 
diff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile
index f0f767624cc6..94895eab3066 100644
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/drivers/mtd/devices/Makefile
 #
diff --git a/drivers/mtd/devices/bcm47xxsflash.h b/drivers/mtd/devices/bcm47xxsflash.h
index b2d7b38f75fd..fef0d5e42e2a 100644
--- a/drivers/mtd/devices/bcm47xxsflash.h
+++ b/drivers/mtd/devices/bcm47xxsflash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM47XXSFLASH_H
 #define __BCM47XXSFLASH_H
 
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 5a09a72ab112..b849aaf85c34 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/drivers/maps/Makefile
 #
diff --git a/drivers/mtd/maps/physmap_of_gemini.c b/drivers/mtd/maps/physmap_of_gemini.c
index 4ed1a6bb4d3c..830b1b7e702b 100644
--- a/drivers/mtd/maps/physmap_of_gemini.c
+++ b/drivers/mtd/maps/physmap_of_gemini.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Cortina Systems Gemini OF physmap add-on
  * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/mtd/maps/physmap_of_gemini.h b/drivers/mtd/maps/physmap_of_gemini.h
index c675025288dd..60e13a689d6a 100644
--- a/drivers/mtd/maps/physmap_of_gemini.h
+++ b/drivers/mtd/maps/physmap_of_gemini.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/of.h>
 #include <linux/mtd/map.h>
 
diff --git a/drivers/mtd/maps/physmap_of_versatile.h b/drivers/mtd/maps/physmap_of_versatile.h
index 5b86f6dc6b3d..0302502c9462 100644
--- a/drivers/mtd/maps/physmap_of_versatile.h
+++ b/drivers/mtd/maps/physmap_of_versatile.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/of.h>
 #include <linux/mtd/map.h>
 
diff --git a/drivers/mtd/maps/tsunami_flash.c b/drivers/mtd/maps/tsunami_flash.c
index da2cdb5fd6db..9fc1f727aa76 100644
--- a/drivers/mtd/maps/tsunami_flash.c
+++ b/drivers/mtd/maps/tsunami_flash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * tsunami_flash.c
  *
diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
index 55fdb8e1fd2a..37accfd0400e 100644
--- a/drivers/mtd/mtdcore.h
+++ b/drivers/mtd/mtdcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * These are exported solely for the purpose of mtd_blkdevs.c and mtdchar.c.
  * You should not use them for _anything_ else.
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index ade5fc4c3819..6e2db700d923 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # linux/drivers/nand/Makefile
 #
diff --git a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h
index c8834767ab6d..201b9baa52a0 100644
--- a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h
+++ b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM47XXNFLASH_H
 #define __BCM47XXNFLASH_H
 
diff --git a/drivers/mtd/nand/brcmnand/Makefile b/drivers/mtd/nand/brcmnand/Makefile
index b28ffb59eb43..195b845e48b8 100644
--- a/drivers/mtd/nand/brcmnand/Makefile
+++ b/drivers/mtd/nand/brcmnand/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # link order matters; don't link the more generic brcmstb_nand.o before the
 # more specific iproc_nand.o, for instance
 obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= iproc_nand.o
diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile
index 9d6540e8b3d2..f8b624aca9cc 100644
--- a/drivers/mtd/onenand/Makefile
+++ b/drivers/mtd/onenand/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the OneNAND MTD
 #
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index 680188a88130..420260c25ca0 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/drivers/mtd/onenand/onenand_bbt.c
  *
diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
index 7d84c5108e17..f4c61d282abd 100644
--- a/drivers/mtd/spi-nor/Makefile
+++ b/drivers/mtd/spi-nor/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MTD_SPI_NOR)	+= spi-nor.o
 obj-$(CONFIG_SPI_ASPEED_SMC)	+= aspeed-smc.o
 obj-$(CONFIG_SPI_ATMEL_QUADSPI)	+= atmel-quadspi.o
diff --git a/drivers/mtd/tests/Makefile b/drivers/mtd/tests/Makefile
index 937a829bb701..5de0378f90db 100644
--- a/drivers/mtd/tests/Makefile
+++ b/drivers/mtd/tests/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o
 obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o
 obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o
diff --git a/drivers/mtd/tests/mtd_test.c b/drivers/mtd/tests/mtd_test.c
index 34736bbcc07b..3d0b8b5c1a53 100644
--- a/drivers/mtd/tests/mtd_test.c
+++ b/drivers/mtd/tests/mtd_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) "mtd_test: " fmt
 
 #include <linux/module.h>
diff --git a/drivers/mtd/tests/mtd_test.h b/drivers/mtd/tests/mtd_test.h
index 04afd0e7074f..5a6e3bbe0474 100644
--- a/drivers/mtd/tests/mtd_test.h
+++ b/drivers/mtd/tests/mtd_test.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/mtd/mtd.h>
 #include <linux/sched/signal.h>
 
diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile
index 4e3c3d70d8c3..543673605ca7 100644
--- a/drivers/mtd/ubi/Makefile
+++ b/drivers/mtd/ubi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MTD_UBI) += ubi.o
 
 ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o
diff --git a/drivers/mtd/ubi/wl.h b/drivers/mtd/ubi/wl.h
index bd1f07e5ce9a..2aaa3f7f2ba9 100644
--- a/drivers/mtd/ubi/wl.h
+++ b/drivers/mtd/ubi/wl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef UBI_WL_H
 #define UBI_WL_H
 #ifdef CONFIG_MTD_UBI_FASTMAP
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 8dff900085d6..676a75f4182a 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux network device drivers.
 #
diff --git a/drivers/net/appletalk/cops.h b/drivers/net/appletalk/cops.h
index fd2750b269c8..7a0bfb351929 100644
--- a/drivers/net/appletalk/cops.h
+++ b/drivers/net/appletalk/cops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*      cops.h: LocalTalk driver for Linux.
  *
  *      Authors:
diff --git a/drivers/net/appletalk/ipddp.h b/drivers/net/appletalk/ipddp.h
index 531519da99a3..9a8e45a46925 100644
--- a/drivers/net/appletalk/ipddp.h
+++ b/drivers/net/appletalk/ipddp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	ipddp.h: Header for IP-over-DDP driver for Linux.
  */
diff --git a/drivers/net/appletalk/ltpc.h b/drivers/net/appletalk/ltpc.h
index cd30544a3729..58cf945732a4 100644
--- a/drivers/net/appletalk/ltpc.h
+++ b/drivers/net/appletalk/ltpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /***   ltpc.h
  *
  *
diff --git a/drivers/net/arcnet/Makefile b/drivers/net/arcnet/Makefile
index 5ce8ee63e435..53525e8ea130 100644
--- a/drivers/net/arcnet/Makefile
+++ b/drivers/net/arcnet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for linux/drivers/net/arcnet
 #
 
diff --git a/drivers/net/arcnet/com9026.h b/drivers/net/arcnet/com9026.h
index efcaf6707214..6adbc18711e0 100644
--- a/drivers/net/arcnet/com9026.h
+++ b/drivers/net/arcnet/com9026.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __COM9026_H
 #define __COM9026_H
 
diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c
index e52e25a977fa..3868e1a5126d 100644
--- a/drivers/net/bonding/bond_debugfs.c
+++ b/drivers/net/bonding/bond_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/device.h>
diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index d8d4ada034b7..f7799321dffb 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/proc_fs.h>
 #include <linux/export.h>
 #include <net/net_namespace.h>
diff --git a/drivers/net/caif/Makefile b/drivers/net/caif/Makefile
index 9bbd45391f6c..54ae1165d60a 100644
--- a/drivers/net/caif/Makefile
+++ b/drivers/net/caif/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_CAIF_DEBUG) := -DDEBUG
 
 # Serial interface
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 4aabbee133b8..02b8ed794564 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #  Makefile for the Linux Controller Area Network drivers.
 #
diff --git a/drivers/net/can/sja1000/Makefile b/drivers/net/can/sja1000/Makefile
index be11ddd11b87..9253aaf9e739 100644
--- a/drivers/net/can/sja1000/Makefile
+++ b/drivers/net/can/sja1000/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #  Makefile for the SJA1000 CAN controller drivers.
 #
diff --git a/drivers/net/can/softing/softing.h b/drivers/net/can/softing/softing.h
index 35f062282dbd..2893007ea05e 100644
--- a/drivers/net/can/softing/softing.h
+++ b/drivers/net/can/softing/softing.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * softing common interfaces
  *
diff --git a/drivers/net/can/softing/softing_platform.h b/drivers/net/can/softing/softing_platform.h
index ebbf69815623..68a161547644 100644
--- a/drivers/net/can/softing/softing_platform.h
+++ b/drivers/net/can/softing/softing_platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <linux/platform_device.h>
 
diff --git a/drivers/net/can/usb/Makefile b/drivers/net/can/usb/Makefile
index 164453fd55d0..49ac7b99ba32 100644
--- a/drivers/net/can/usb/Makefile
+++ b/drivers/net/can/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #  Makefile for the Linux Controller Area Network USB drivers.
 #
diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index 017f48cdcab9..1cbca8e5741e 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/drivers/net/cris/eth_v10.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * e100net.c: A network driver for the ETRAX 100LX network controller.
  *
diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile
index 4a5b5bd297ee..d040aeb45172 100644
--- a/drivers/net/dsa/Makefile
+++ b/drivers/net/dsa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NET_DSA_BCM_SF2)	+= bcm-sf2.o
 bcm-sf2-objs			:= bcm_sf2.o bcm_sf2_cfp.o
 obj-$(CONFIG_NET_DSA_LOOP)	+= dsa_loop.o dsa_loop_bdinfo.o
diff --git a/drivers/net/dsa/b53/Makefile b/drivers/net/dsa/b53/Makefile
index 7e6f9a8bfd75..4256fb42a4dd 100644
--- a/drivers/net/dsa/b53/Makefile
+++ b/drivers/net/dsa/b53/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_B53)		+= b53_common.o
 
 obj-$(CONFIG_B53_SPI_DRIVER)	+= b53_spi.o
diff --git a/drivers/net/dsa/dsa_loop.h b/drivers/net/dsa/dsa_loop.h
index dc396877fc95..93e5c15d0efd 100644
--- a/drivers/net/dsa/dsa_loop.h
+++ b/drivers/net/dsa/dsa_loop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DSA_LOOP_H
 #define __DSA_LOOP_H
 
diff --git a/drivers/net/dsa/lan9303.h b/drivers/net/dsa/lan9303.h
index 4d8be555ff4d..7df2ac77fc8f 100644
--- a/drivers/net/dsa/lan9303.h
+++ b/drivers/net/dsa/lan9303.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/regmap.h>
 #include <linux/device.h>
 #include <net/dsa.h>
diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile
index 5cd5551461e3..58a4a0014e59 100644
--- a/drivers/net/dsa/mv88e6xxx/Makefile
+++ b/drivers/net/dsa/mv88e6xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
 mv88e6xxx-objs := chip.o
 mv88e6xxx-objs += global1.o
diff --git a/drivers/net/ethernet/3com/Makefile b/drivers/net/ethernet/3com/Makefile
index 74046afab993..f8b73babc510 100644
--- a/drivers/net/ethernet/3com/Makefile
+++ b/drivers/net/ethernet/3com/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 3Com Ethernet device drivers
 #
diff --git a/drivers/net/ethernet/8390/Makefile b/drivers/net/ethernet/8390/Makefile
index ff3b31894188..f975c2fc88a3 100644
--- a/drivers/net/ethernet/8390/Makefile
+++ b/drivers/net/ethernet/8390/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 8390 network device drivers.
 #
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index a0a03d4d939a..39f6273358ed 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux network Ethernet device drivers.
 #
diff --git a/drivers/net/ethernet/aeroflex/greth.h b/drivers/net/ethernet/aeroflex/greth.h
index 9c07140a5d8d..a1e04c9e932e 100644
--- a/drivers/net/ethernet/aeroflex/greth.h
+++ b/drivers/net/ethernet/aeroflex/greth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GRETH_H
 #define GRETH_H
 
diff --git a/drivers/net/ethernet/alacritech/slic.h b/drivers/net/ethernet/alacritech/slic.h
index 08931b4afc96..d0c388cfd52f 100644
--- a/drivers/net/ethernet/alacritech/slic.h
+++ b/drivers/net/ethernet/alacritech/slic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _SLIC_H
 #define _SLIC_H
diff --git a/drivers/net/ethernet/alteon/acenic.h b/drivers/net/ethernet/alteon/acenic.h
index 51c486cfbb8c..c670067b1541 100644
--- a/drivers/net/ethernet/alteon/acenic.h
+++ b/drivers/net/ethernet/alteon/acenic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ACENIC_H_
 #define _ACENIC_H_
 #include <linux/interrupt.h>
diff --git a/drivers/net/ethernet/amd/7990.h b/drivers/net/ethernet/amd/7990.h
index e9e0be313804..741cdc392c6b 100644
--- a/drivers/net/ethernet/amd/7990.h
+++ b/drivers/net/ethernet/amd/7990.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * 7990.h -- LANCE ethernet IC generic routines.
  * This is an attempt to separate out the bits of various ethernet
diff --git a/drivers/net/ethernet/amd/Makefile b/drivers/net/ethernet/amd/Makefile
index a38a2dce3eb3..45f86822a5f7 100644
--- a/drivers/net/ethernet/amd/Makefile
+++ b/drivers/net/ethernet/amd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the AMD network device drivers.
 #
diff --git a/drivers/net/ethernet/amd/hplance.h b/drivers/net/ethernet/amd/hplance.h
index 04aee9e0376a..bc845a2c60c1 100644
--- a/drivers/net/ethernet/amd/hplance.h
+++ b/drivers/net/ethernet/amd/hplance.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Random defines and structures for the HP Lance driver.
  * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
  * Based on the Sun Lance driver and the NetBSD HP Lance driver
diff --git a/drivers/net/ethernet/amd/xgbe/Makefile b/drivers/net/ethernet/amd/xgbe/Makefile
index 0dea8f5da899..620785ffbd51 100644
--- a/drivers/net/ethernet/amd/xgbe/Makefile
+++ b/drivers/net/ethernet/amd/xgbe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_AMD_XGBE) += amd-xgbe.o
 
 amd-xgbe-objs := xgbe-main.o xgbe-drv.o xgbe-dev.o \
diff --git a/drivers/net/ethernet/arc/emac.h b/drivers/net/ethernet/arc/emac.h
index e4feb712d4f2..3c63b16d485f 100644
--- a/drivers/net/ethernet/arc/emac.h
+++ b/drivers/net/ethernet/arc/emac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com)
  *
diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c
index a22403c688c9..0187dbf3b87d 100644
--- a/drivers/net/ethernet/arc/emac_mdio.c
+++ b/drivers/net/ethernet/arc/emac_mdio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com)
  *
diff --git a/drivers/net/ethernet/atheros/Makefile b/drivers/net/ethernet/atheros/Makefile
index 5cf1c65bbce9..aa3d394b87e6 100644
--- a/drivers/net/ethernet/atheros/Makefile
+++ b/drivers/net/ethernet/atheros/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Atheros network device drivers.
 #
diff --git a/drivers/net/ethernet/aurora/nb8800.h b/drivers/net/ethernet/aurora/nb8800.h
index 6ec4a956e1e5..aacc3cce2cc0 100644
--- a/drivers/net/ethernet/aurora/nb8800.h
+++ b/drivers/net/ethernet/aurora/nb8800.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NB8800_H_
 #define _NB8800_H_
 
diff --git a/drivers/net/ethernet/broadcom/Makefile b/drivers/net/ethernet/broadcom/Makefile
index 79f2372c66ec..7046ad6d3d0e 100644
--- a/drivers/net/ethernet/broadcom/Makefile
+++ b/drivers/net/ethernet/broadcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Broadcom network device drivers.
 #
diff --git a/drivers/net/ethernet/broadcom/b44.h b/drivers/net/ethernet/broadcom/b44.h
index 89d2cf341163..b3e36ca0fd19 100644
--- a/drivers/net/ethernet/broadcom/b44.h
+++ b/drivers/net/ethernet/broadcom/b44.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _B44_H
 #define _B44_H
 
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.h b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
index 0a1b7b2e55bd..c6f6f14e87ca 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_ENET_H_
 #define BCM63XX_ENET_H_
 
diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index 443d57b10264..4040d846da8e 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BGMAC_H
 #define _BGMAC_H
 
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 3b5e98ecba00..c2d02d02d1e6 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: tg3.h,v 1.37.2.32 2002/03/11 12:18:18 davem Exp $
  * tg3.h: Definitions for Broadcom Tigon3 ethernet driver.
  *
diff --git a/drivers/net/ethernet/cadence/Makefile b/drivers/net/ethernet/cadence/Makefile
index 1d66ddb68969..1f33cdca9a3c 100644
--- a/drivers/net/ethernet/cadence/Makefile
+++ b/drivers/net/ethernet/cadence/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Atmel network device drivers.
 #
diff --git a/drivers/net/ethernet/cavium/liquidio/Makefile b/drivers/net/ethernet/cavium/liquidio/Makefile
index c4d411d1aa28..b802896bb2e0 100644
--- a/drivers/net/ethernet/cavium/liquidio/Makefile
+++ b/drivers/net/ethernet/cavium/liquidio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Cavium Liquidio ethernet device driver
 #
diff --git a/drivers/net/ethernet/cavium/thunder/Makefile b/drivers/net/ethernet/cavium/thunder/Makefile
index 6b4d4add7353..2fc6142d1634 100644
--- a/drivers/net/ethernet/cavium/thunder/Makefile
+++ b/drivers/net/ethernet/cavium/thunder/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Cavium's Thunder ethernet device
 #
diff --git a/drivers/net/ethernet/chelsio/Makefile b/drivers/net/ethernet/chelsio/Makefile
index b6a5eec6ed8e..c0f978d2e8a7 100644
--- a/drivers/net/ethernet/chelsio/Makefile
+++ b/drivers/net/ethernet/chelsio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Chelsio network device drivers.
 #
diff --git a/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h b/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h
index ccdb2bc9ae98..e9c65d812c4e 100644
--- a/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h
+++ b/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Date: 2005/03/07 23:59:05 $ $RCSfile: fpga_defs.h,v $ $Revision: 1.4 $ */
 
 /*
diff --git a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c
index 76ce6e538326..30b003484fc1 100644
--- a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c
+++ b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Date: 2005/10/24 23:18:13 $ $RCSfile: mv88e1xxx.c,v $ $Revision: 1.49 $ */
 #include "common.h"
 #include "mv88e1xxx.h"
diff --git a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h
index 967cc4286359..11bf0f7c2f90 100644
--- a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h
+++ b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Date: 2005/03/07 23:59:05 $ $RCSfile: mv88e1xxx.h,v $ $Revision: 1.13 $ */
 #ifndef CHELSIO_MV8E1XXX_H
 #define CHELSIO_MV8E1XXX_H
diff --git a/drivers/net/ethernet/chelsio/cxgb/my3126.c b/drivers/net/ethernet/chelsio/cxgb/my3126.c
index d546f46c8ef7..20c09cc4b323 100644
--- a/drivers/net/ethernet/chelsio/cxgb/my3126.c
+++ b/drivers/net/ethernet/chelsio/cxgb/my3126.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Date: 2005/11/12 02:13:49 $ $RCSfile: my3126.c,v $ $Revision: 1.15 $ */
 #include "cphy.h"
 #include "elmer0.h"
diff --git a/drivers/net/ethernet/chelsio/cxgb/tp.c b/drivers/net/ethernet/chelsio/cxgb/tp.c
index b146acabf982..4337cee0763e 100644
--- a/drivers/net/ethernet/chelsio/cxgb/tp.c
+++ b/drivers/net/ethernet/chelsio/cxgb/tp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Date: 2006/02/07 04:21:54 $ $RCSfile: tp.c,v $ $Revision: 1.73 $ */
 #include "common.h"
 #include "regs.h"
diff --git a/drivers/net/ethernet/chelsio/cxgb/tp.h b/drivers/net/ethernet/chelsio/cxgb/tp.h
index dfd8ce25106a..ba15675d56df 100644
--- a/drivers/net/ethernet/chelsio/cxgb/tp.h
+++ b/drivers/net/ethernet/chelsio/cxgb/tp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Date: 2005/03/07 23:59:05 $ $RCSfile: tp.h,v $ $Revision: 1.20 $ */
 #ifndef CHELSIO_TP_H
 #define CHELSIO_TP_H
diff --git a/drivers/net/ethernet/chelsio/cxgb/vsc7326.c b/drivers/net/ethernet/chelsio/cxgb/vsc7326.c
index bdc895bd2a46..873c1c7b4ca0 100644
--- a/drivers/net/ethernet/chelsio/cxgb/vsc7326.c
+++ b/drivers/net/ethernet/chelsio/cxgb/vsc7326.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */
 
 /* Driver for Vitesse VSC7326 (Schaumburg) MAC */
diff --git a/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h b/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h
index 479edbcabe68..04503857c6a9 100644
--- a/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h
+++ b/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Date: 2006/04/28 19:20:17 $ $RCSfile: vsc7326_reg.h,v $ $Revision: 1.5 $ */
 #ifndef _VSC7321_REG_H_
 #define _VSC7321_REG_H_
diff --git a/drivers/net/ethernet/chelsio/cxgb3/regs.h b/drivers/net/ethernet/chelsio/cxgb3/regs.h
index 81029b872bdd..174eb45100a4 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb3/regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define A_SG_CONTROL 0x0
 
 #define S_CONGMODE    29
diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h b/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h
index 29b6c800b238..c31ce8dc95fb 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h
+++ b/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is automatically generated --- any changes will be lost.
  */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile b/drivers/net/ethernet/chelsio/cxgb4/Makefile
index 817212702f0a..24143c8abfdb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/Makefile
+++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Chelsio T4 driver
 #
diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c
index 3c677ed3c29e..8dc21c9f9716 100644
--- a/drivers/net/ethernet/cisco/enic/enic_clsf.c
+++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/if.h>
 #include <linux/if_ether.h>
 #include <linux/if_link.h>
diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.h b/drivers/net/ethernet/cisco/enic/enic_clsf.h
index 6aa9f89d073b..d3c4a1cb0610 100644
--- a/drivers/net/ethernet/cisco/enic/enic_clsf.h
+++ b/drivers/net/ethernet/cisco/enic/enic_clsf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ENIC_CLSF_H_
 #define _ENIC_CLSF_H_
 
diff --git a/drivers/net/ethernet/davicom/dm9000.h b/drivers/net/ethernet/davicom/dm9000.h
index 9ce058adabab..581b35ad44ef 100644
--- a/drivers/net/ethernet/davicom/dm9000.h
+++ b/drivers/net/ethernet/davicom/dm9000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dm9000 Ethernet
  */
diff --git a/drivers/net/ethernet/dec/tulip/Makefile b/drivers/net/ethernet/dec/tulip/Makefile
index 5e8be38b45bb..8aab37564d5d 100644
--- a/drivers/net/ethernet/dec/tulip/Makefile
+++ b/drivers/net/ethernet/dec/tulip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux "Tulip" family network device drivers.
 #
diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile
index c46df5c82af5..ed8ad0fefbda 100644
--- a/drivers/net/ethernet/freescale/Makefile
+++ b/drivers/net/ethernet/freescale/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Freescale network device drivers.
 #
diff --git a/drivers/net/ethernet/freescale/dpaa/Makefile b/drivers/net/ethernet/freescale/dpaa/Makefile
index 7db50bccb137..4f23e79232fa 100644
--- a/drivers/net/ethernet/freescale/dpaa/Makefile
+++ b/drivers/net/ethernet/freescale/dpaa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Freescale DPAA Ethernet controllers
 #
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index ede1876a9a19..44720f83af27 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /****************************************************************************/
 
 /*
diff --git a/drivers/net/ethernet/freescale/fman/Makefile b/drivers/net/ethernet/freescale/fman/Makefile
index 2c38119b172c..f83a3653b63b 100644
--- a/drivers/net/ethernet/freescale/fman/Makefile
+++ b/drivers/net/ethernet/freescale/fman/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y +=  -I$(srctree)/drivers/net/ethernet/freescale/fman
 
 obj-$(CONFIG_FSL_FMAN) += fsl_fman.o
diff --git a/drivers/net/ethernet/freescale/fs_enet/Makefile b/drivers/net/ethernet/freescale/fs_enet/Makefile
index d4a305ee3455..1821f94ef619 100644
--- a/drivers/net/ethernet/freescale/fs_enet/Makefile
+++ b/drivers/net/ethernet/freescale/fs_enet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Freescale Ethernet controllers
 #
diff --git a/drivers/net/ethernet/freescale/fs_enet/fec.h b/drivers/net/ethernet/freescale/fs_enet/fec.h
index b9fe5bde432a..7832db71dcb9 100644
--- a/drivers/net/ethernet/freescale/fs_enet/fec.h
+++ b/drivers/net/ethernet/freescale/fs_enet/fec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_ENET_FEC_H
 #define FS_ENET_FEC_H
 
diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet.h b/drivers/net/ethernet/freescale/fs_enet/fs_enet.h
index 5ce516c8a62a..168e10ea487f 100644
--- a/drivers/net/ethernet/freescale/fs_enet/fs_enet.h
+++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_ENET_H
 #define FS_ENET_H
 
diff --git a/drivers/net/ethernet/hisilicon/Makefile b/drivers/net/ethernet/hisilicon/Makefile
index 3828c435c18f..7f76d412047a 100644
--- a/drivers/net/ethernet/hisilicon/Makefile
+++ b/drivers/net/ethernet/hisilicon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the HISILICON network device drivers.
 #
diff --git a/drivers/net/ethernet/hisilicon/hns/Makefile b/drivers/net/ethernet/hisilicon/hns/Makefile
index 6010c83e38d8..7aa623b9c82a 100644
--- a/drivers/net/ethernet/hisilicon/hns/Makefile
+++ b/drivers/net/ethernet/hisilicon/hns/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the HISILICON network device drivers.
 #
diff --git a/drivers/net/ethernet/i825xx/Makefile b/drivers/net/ethernet/i825xx/Makefile
index 8c8dcd29c40d..422a19a5d94f 100644
--- a/drivers/net/ethernet/i825xx/Makefile
+++ b/drivers/net/ethernet/i825xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Intel 82586/82593/82596 chipset device drivers.
 #
diff --git a/drivers/net/ethernet/ibm/emac/Makefile b/drivers/net/ethernet/ibm/emac/Makefile
index 98768ba0955a..ddf1ce3c8cca 100644
--- a/drivers/net/ethernet/ibm/emac/Makefile
+++ b/drivers/net/ethernet/ibm/emac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PowerPC 4xx on-chip ethernet driver
 #
diff --git a/drivers/net/ethernet/intel/Makefile b/drivers/net/ethernet/intel/Makefile
index 5ea764d85ec3..90af7757a885 100644
--- a/drivers/net/ethernet/intel/Makefile
+++ b/drivers/net/ethernet/intel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Intel network device drivers.
 #
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_client.c b/drivers/net/ethernet/intel/i40evf/i40evf_client.c
index 93cf5fd17d91..d8131139565e 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_client.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/list.h>
 #include <linux/errno.h>
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_client.h b/drivers/net/ethernet/intel/i40evf/i40evf_client.h
index 7d283c7506a5..15a10da5bd4a 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_client.h
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _I40E_CLIENT_H_
 #define _I40E_CLIENT_H_
 
diff --git a/drivers/net/ethernet/marvell/Makefile b/drivers/net/ethernet/marvell/Makefile
index ff1bffa74803..9498ed26dbe5 100644
--- a/drivers/net/ethernet/marvell/Makefile
+++ b/drivers/net/ethernet/marvell/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Marvell device drivers.
 #
diff --git a/drivers/net/ethernet/marvell/skge.h b/drivers/net/ethernet/marvell/skge.h
index 3ea151ff9c43..6fa7b6a34c08 100644
--- a/drivers/net/ethernet/marvell/skge.h
+++ b/drivers/net/ethernet/marvell/skge.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for the new Marvell Yukon / SysKonnect driver.
  */
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index 0fe160796842..b02b6523083c 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for the new Marvell Yukon 2 driver.
  */
diff --git a/drivers/net/ethernet/mellanox/mlx4/Makefile b/drivers/net/ethernet/mellanox/mlx4/Makefile
index c82217e0d22d..16b10d01fcf4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MLX4_CORE)		+= mlx4_core.o
 
 mlx4_core-y :=	alloc.o catas.o cmd.o cq.o eq.o fw.o fw_qos.o icm.o intf.o \
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
index 926f3c3f3665..aab28eb27a30 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MLX4_STATS_
 #define _MLX4_STATS_
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 87a3099808f3..714dd0dc5eef 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MLX5_CORE)		+= mlx5_core.o
 subdir-ccflags-y += -I$(src)
 
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Makefile b/drivers/net/ethernet/mellanox/mlxsw/Makefile
index 891ff418bb5e..9a5a1cc877b6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Makefile
+++ b/drivers/net/ethernet/mellanox/mlxsw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MLXSW_CORE)	+= mlxsw_core.o
 mlxsw_core-objs			:= core.o core_acl_flex_keys.o \
 				   core_acl_flex_actions.o
diff --git a/drivers/net/ethernet/micrel/Makefile b/drivers/net/ethernet/micrel/Makefile
index c83e4bc50c73..848fc1c5a5dc 100644
--- a/drivers/net/ethernet/micrel/Makefile
+++ b/drivers/net/ethernet/micrel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Micrel network device drivers.
 #
diff --git a/drivers/net/ethernet/micrel/ks8695net.h b/drivers/net/ethernet/micrel/ks8695net.h
index 80eff6ea5163..b18fad4ad5fd 100644
--- a/drivers/net/ethernet/micrel/ks8695net.h
+++ b/drivers/net/ethernet/micrel/ks8695net.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Micrel KS8695 (Centaur) Ethernet.
  *
diff --git a/drivers/net/ethernet/microchip/enc28j60_hw.h b/drivers/net/ethernet/microchip/enc28j60_hw.h
index 25b41de49f0e..da4ab172527d 100644
--- a/drivers/net/ethernet/microchip/enc28j60_hw.h
+++ b/drivers/net/ethernet/microchip/enc28j60_hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * enc28j60_hw.h: EDTP FrameThrower style enc28j60 registers
  *
diff --git a/drivers/net/ethernet/microchip/encx24j600_hw.h b/drivers/net/ethernet/microchip/encx24j600_hw.h
index 4be73d5553f8..f604a260ede7 100644
--- a/drivers/net/ethernet/microchip/encx24j600_hw.h
+++ b/drivers/net/ethernet/microchip/encx24j600_hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * encx24j600_hw.h: Register definitions
  *
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h
index b7fc26c4f738..cf73810608a2 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MYRI10GE_MCP_H__
 #define __MYRI10GE_MCP_H__
 
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h
index 75ec5e7cf50d..95a0095a4a75 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MYRI10GE_MCP_GEN_HEADER_H__
 #define __MYRI10GE_MCP_GEN_HEADER_H__
 
diff --git a/drivers/net/ethernet/natsemi/Makefile b/drivers/net/ethernet/natsemi/Makefile
index 764c532a96d1..cc664977596e 100644
--- a/drivers/net/ethernet/natsemi/Makefile
+++ b/drivers/net/ethernet/natsemi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the National Semi-conductor Sonic devices.
 #
diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c
index a6caeb567c0d..d5b28884e21e 100644
--- a/drivers/net/ethernet/natsemi/jazzsonic.c
+++ b/drivers/net/ethernet/natsemi/jazzsonic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * jazzsonic.c
  *
diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c
index 3ca6ae7caf55..a42433fb6949 100644
--- a/drivers/net/ethernet/natsemi/macsonic.c
+++ b/drivers/net/ethernet/natsemi/macsonic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * macsonic.c
  *
diff --git a/drivers/net/ethernet/natsemi/sonic.h b/drivers/net/ethernet/natsemi/sonic.h
index 7b0a8db57af9..421b1a283fed 100644
--- a/drivers/net/ethernet/natsemi/sonic.h
+++ b/drivers/net/ethernet/natsemi/sonic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Header file for sonic.c
  *
diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
index 9ee0f69a83c0..1817deea98a4 100644
--- a/drivers/net/ethernet/natsemi/xtsonic.c
+++ b/drivers/net/ethernet/natsemi/xtsonic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xtsonic.c
  *
diff --git a/drivers/net/ethernet/netronome/nfp/Makefile b/drivers/net/ethernet/netronome/nfp/Makefile
index 96e579a15cbe..3cafa3d15082 100644
--- a/drivers/net/ethernet/netronome/nfp/Makefile
+++ b/drivers/net/ethernet/netronome/nfp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NFP)	+= nfp.o
 
 nfp-objs := \
diff --git a/drivers/net/ethernet/qlogic/Makefile b/drivers/net/ethernet/qlogic/Makefile
index cee90e05beb8..6cd2e333a5fc 100644
--- a/drivers/net/ethernet/qlogic/Makefile
+++ b/drivers/net/ethernet/qlogic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the QLogic network device drivers.
 #
diff --git a/drivers/net/ethernet/qlogic/qed/Makefile b/drivers/net/ethernet/qlogic/qed/Makefile
index 82dd47068e18..82a0b90185df 100644
--- a/drivers/net/ethernet/qlogic/qed/Makefile
+++ b/drivers/net/ethernet/qlogic/qed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_QED) := qed.o
 
 qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \
diff --git a/drivers/net/ethernet/qlogic/qed/qed_selftest.h b/drivers/net/ethernet/qlogic/qed/qed_selftest.h
index 739ddb730967..ad00d082fec8 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_selftest.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_selftest.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _QED_SELFTEST_API_H
 #define _QED_SELFTEST_API_H
 #include <linux/types.h>
diff --git a/drivers/net/ethernet/qlogic/qlcnic/Makefile b/drivers/net/ethernet/qlogic/qlcnic/Makefile
index 3c2c2c7c1559..dbaeab344667 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/Makefile
+++ b/drivers/net/ethernet/qlogic/qlcnic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Qlogic 1G/10G Ethernet Driver for CNA devices
 #
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
index fe2599b83d09..31389ab8bdf7 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/slab.h>
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
index 31f40148fa5c..5edbd532127d 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/module.h>
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
index 7ad146080c36..384c8bc874f3 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "qlge.h"
 
 int ql_unpause_mpi_risc(struct ql_adapter *qdev)
diff --git a/drivers/net/ethernet/qualcomm/Makefile b/drivers/net/ethernet/qualcomm/Makefile
index 1847350f48a7..9250976dd884 100644
--- a/drivers/net/ethernet/qualcomm/Makefile
+++ b/drivers/net/ethernet/qualcomm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Qualcomm network device drivers.
 #
diff --git a/drivers/net/ethernet/realtek/atp.h b/drivers/net/ethernet/realtek/atp.h
index 32497f0e537c..63f0d2d0e87b 100644
--- a/drivers/net/ethernet/realtek/atp.h
+++ b/drivers/net/ethernet/realtek/atp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Linux header file for the ATP pocket ethernet adapter. */
 /* v1.09 8/9/2000 becker@scyld.com. */
 
diff --git a/drivers/net/ethernet/seeq/sgiseeq.h b/drivers/net/ethernet/seeq/sgiseeq.h
index 2211e2987a8d..2f65c55608df 100644
--- a/drivers/net/ethernet/seeq/sgiseeq.h
+++ b/drivers/net/ethernet/seeq/sgiseeq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sgiseeq.h: Defines for the Seeq8003 ethernet controller.
  *
diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile
index 520cfcc17785..3bac58d0f88b 100644
--- a/drivers/net/ethernet/sfc/Makefile
+++ b/drivers/net/ethernet/sfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 sfc-y			+= efx.o nic.o farch.o siena.o ef10.o tx.o rx.o \
 			   selftest.o ethtool.o ptp.o tx_tso.o \
 			   mcdi.o mcdi_port.o mcdi_mon.o
diff --git a/drivers/net/ethernet/sfc/falcon/Makefile b/drivers/net/ethernet/sfc/falcon/Makefile
index aa1b45979ca4..39448e5b7f1e 100644
--- a/drivers/net/ethernet/sfc/falcon/Makefile
+++ b/drivers/net/ethernet/sfc/falcon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 sfc-falcon-y		+= efx.o nic.o farch.o falcon.o tx.o rx.o selftest.o \
 			   ethtool.o qt202x_phy.o mdio_10g.o tenxpress.o \
 			   txc43128_phy.o falcon_boards.o
diff --git a/drivers/net/ethernet/sis/sis900.h b/drivers/net/ethernet/sis/sis900.h
index f0da3dc52c01..66e4bf38770f 100644
--- a/drivers/net/ethernet/sis/sis900.h
+++ b/drivers/net/ethernet/sis/sis900.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900
  * Copyright 1999 Silicon Integrated System Corporation
  * References:
diff --git a/drivers/net/ethernet/smsc/Makefile b/drivers/net/ethernet/smsc/Makefile
index f3438dec9d90..4105912b1629 100644
--- a/drivers/net/ethernet/smsc/Makefile
+++ b/drivers/net/ethernet/smsc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the SMSC network device drivers.
 #
diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile
index 238307fadcdb..ff3f83b86d10 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_STMMAC_ETH) += stmmac.o
 stmmac-objs:= stmmac_main.o stmmac_ethtool.o stmmac_mdio.o ring_mode.o	\
 	      chain_mode.o dwmac_lib.o dwmac1000_core.o dwmac1000_dma.o	\
diff --git a/drivers/net/ethernet/sun/Makefile b/drivers/net/ethernet/sun/Makefile
index 37855438b3cb..9a5249dee56e 100644
--- a/drivers/net/ethernet/sun/Makefile
+++ b/drivers/net/ethernet/sun/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Sun network device drivers.
 #
diff --git a/drivers/net/ethernet/sun/niu.h b/drivers/net/ethernet/sun/niu.h
index 51e177e1860d..04c215f91fc0 100644
--- a/drivers/net/ethernet/sun/niu.h
+++ b/drivers/net/ethernet/sun/niu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* niu.h: Definitions for Neptune ethernet driver.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/drivers/net/ethernet/sun/sunbmac.h b/drivers/net/ethernet/sun/sunbmac.h
index ee56930475a8..d379bd407eca 100644
--- a/drivers/net/ethernet/sun/sunbmac.h
+++ b/drivers/net/ethernet/sun/sunbmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: sunbmac.h,v 1.7 2000/07/11 22:35:22 davem Exp $
  * sunbmac.h: Defines for the Sun "Big MAC" 100baseT ethernet cards.
  *
diff --git a/drivers/net/ethernet/sun/sungem.h b/drivers/net/ethernet/sun/sungem.h
index 835ce1b3cb9f..626302a9bc89 100644
--- a/drivers/net/ethernet/sun/sungem.h
+++ b/drivers/net/ethernet/sun/sungem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: sungem.h,v 1.10.2.4 2002/03/11 08:54:48 davem Exp $
  * sungem.h: Definitions for Sun GEM ethernet driver.
  *
diff --git a/drivers/net/ethernet/sun/sunhme.h b/drivers/net/ethernet/sun/sunhme.h
index fca1bca7f69d..9118c60c9426 100644
--- a/drivers/net/ethernet/sun/sunhme.h
+++ b/drivers/net/ethernet/sun/sunhme.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: sunhme.h,v 1.33 2001/08/03 06:23:04 davem Exp $
  * sunhme.h: Definitions for Sparc HME/BigMac 10/100baseT ethernet driver.
  *           Also known as the "Happy Meal".
diff --git a/drivers/net/ethernet/sun/sunqe.h b/drivers/net/ethernet/sun/sunqe.h
index ae190b77431b..0daed05b7c83 100644
--- a/drivers/net/ethernet/sun/sunqe.h
+++ b/drivers/net/ethernet/sun/sunqe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: sunqe.h,v 1.13 2000/02/09 11:15:42 davem Exp $
  * sunqe.h: Definitions for the Sun QuadEthernet driver.
  *
diff --git a/drivers/net/ethernet/sun/sunvnet_common.h b/drivers/net/ethernet/sun/sunvnet_common.h
index b20d6fa7ef25..6a4dd1fb19bf 100644
--- a/drivers/net/ethernet/sun/sunvnet_common.h
+++ b/drivers/net/ethernet/sun/sunvnet_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SUNVNETCOMMON_H
 #define _SUNVNETCOMMON_H
 
diff --git a/drivers/net/ethernet/synopsys/Makefile b/drivers/net/ethernet/synopsys/Makefile
index 0ad01916f11e..7a46393abf26 100644
--- a/drivers/net/ethernet/synopsys/Makefile
+++ b/drivers/net/ethernet/synopsys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Synopsys network device drivers.
 #
diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile
index 10e6b0ce51ba..0be551de821c 100644
--- a/drivers/net/ethernet/ti/Makefile
+++ b/drivers/net/ethernet/ti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the TI network device drivers.
 #
diff --git a/drivers/net/ethernet/tile/Makefile b/drivers/net/ethernet/tile/Makefile
index 0ef9eefd3211..3d0ae1f07fc9 100644
--- a/drivers/net/ethernet/tile/Makefile
+++ b/drivers/net/ethernet/tile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the TILE on-chip networking support.
 #
diff --git a/drivers/net/ethernet/toshiba/Makefile b/drivers/net/ethernet/toshiba/Makefile
index a5069008435b..f434fd0f429e 100644
--- a/drivers/net/ethernet/toshiba/Makefile
+++ b/drivers/net/ethernet/toshiba/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Toshiba network device drivers.
 #
diff --git a/drivers/net/ethernet/xilinx/Makefile b/drivers/net/ethernet/xilinx/Makefile
index 214205e975e3..7d7dc1771423 100644
--- a/drivers/net/ethernet/xilinx/Makefile
+++ b/drivers/net/ethernet/xilinx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Xilink network device drivers.
 #
diff --git a/drivers/net/ethernet/xilinx/ll_temac.h b/drivers/net/ethernet/xilinx/ll_temac.h
index 7d06e3e1abac..107575225383 100644
--- a/drivers/net/ethernet/xilinx/ll_temac.h
+++ b/drivers/net/ethernet/xilinx/ll_temac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef XILINX_LL_TEMAC_H
 #define XILINX_LL_TEMAC_H
diff --git a/drivers/net/ethernet/xilinx/ll_temac_mdio.c b/drivers/net/ethernet/xilinx/ll_temac_mdio.c
index 7714aff78b7d..f5e83ac6f7e2 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_mdio.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_mdio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MDIO bus driver for the Xilinx TEMAC device
  *
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index 5ef626331f85..c337400485da 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for Xilinx Axi Ethernet device driver.
  *
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 63307ea97846..16c3bfbe1992 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MDIO bus driver for the Xilinx Axi Ethernet device
  *
diff --git a/drivers/net/fddi/skfp/Makefile b/drivers/net/fddi/skfp/Makefile
index a957a1c7e5ba..875eac8a76f3 100644
--- a/drivers/net/fddi/skfp/Makefile
+++ b/drivers/net/fddi/skfp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the SysKonnect FDDI PCI adapter driver
 #
diff --git a/drivers/net/hamradio/Makefile b/drivers/net/hamradio/Makefile
index 104096070026..7a1518d763e3 100644
--- a/drivers/net/hamradio/Makefile
+++ b/drivers/net/hamradio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux AX.25 and HFMODEM device drivers.
 #
diff --git a/drivers/net/hamradio/z8530.h b/drivers/net/hamradio/z8530.h
index 8bef548572aa..1655901d713b 100644
--- a/drivers/net/hamradio/z8530.h
+++ b/drivers/net/hamradio/z8530.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* 8530 Serial Communications Controller Register definitions */
 #define	FLAG	0x7e
diff --git a/drivers/net/hippi/rrunner.h b/drivers/net/hippi/rrunner.h
index 28169043ae49..87533784604f 100644
--- a/drivers/net/hippi/rrunner.h
+++ b/drivers/net/hippi/rrunner.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RRUNNER_H_
 #define _RRUNNER_H_
 
diff --git a/drivers/net/ieee802154/Makefile b/drivers/net/ieee802154/Makefile
index 8374bb44a145..bea1de5e726c 100644
--- a/drivers/net/ieee802154/Makefile
+++ b/drivers/net/ieee802154/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o
 obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o
 obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 416df92fbf4f..00f097e18c68 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for Linux PHY drivers and MDIO bus drivers
 
 libphy-y			:= phy.o phy-c45.o phy-core.o phy_device.o
diff --git a/drivers/net/phy/dp83640_reg.h b/drivers/net/phy/dp83640_reg.h
index e7fe41117003..21aa24c741b9 100644
--- a/drivers/net/phy/dp83640_reg.h
+++ b/drivers/net/phy/dp83640_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* dp83640_reg.h
  * Generated by regen.tcl on Thu Feb 17 10:02:48 AM CET 2011
  */
diff --git a/drivers/net/phy/mdio-boardinfo.h b/drivers/net/phy/mdio-boardinfo.h
index 3a7f143904e8..773bb51399be 100644
--- a/drivers/net/phy/mdio-boardinfo.h
+++ b/drivers/net/phy/mdio-boardinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mdio-boardinfo.h - board info interface internal to the mdio_bus
  * component
diff --git a/drivers/net/phy/swphy.h b/drivers/net/phy/swphy.h
index 2f09ac324e18..3668ab8c901a 100644
--- a/drivers/net/phy/swphy.h
+++ b/drivers/net/phy/swphy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SWPHY_H
 #define SWPHY_H
 
diff --git a/drivers/net/ppp/Makefile b/drivers/net/ppp/Makefile
index a6b6297b0066..16c457d6b324 100644
--- a/drivers/net/ppp/Makefile
+++ b/drivers/net/ppp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux PPP network device drivers.
 #
diff --git a/drivers/net/ppp/ppp_mppe.h b/drivers/net/ppp/ppp_mppe.h
index 7a14e058c668..677b3b3f7425 100644
--- a/drivers/net/ppp/ppp_mppe.h
+++ b/drivers/net/ppp/ppp_mppe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define MPPE_PAD                4      /* MPPE growth per frame */
 #define MPPE_MAX_KEY_LEN       16      /* largest key length (128-bit) */
 
diff --git a/drivers/net/slip/slip.h b/drivers/net/slip/slip.h
index cf32aadf508f..c420e5948522 100644
--- a/drivers/net/slip/slip.h
+++ b/drivers/net/slip/slip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * slip.h	Define the SLIP device driver interface and constants.
  *
diff --git a/drivers/net/team/Makefile b/drivers/net/team/Makefile
index c57e85889751..f582d81a5091 100644
--- a/drivers/net/team/Makefile
+++ b/drivers/net/team/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the network team driver
 #
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index 37fb46aee341..27307a4ab003 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for USB Network drivers
 #
diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile
index 73c2326603fc..9532e69fda87 100644
--- a/drivers/net/wan/Makefile
+++ b/drivers/net/wan/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux network (wan) device drivers.
 #
diff --git a/drivers/net/wan/hd64570.h b/drivers/net/wan/hd64570.h
index 10963e8f4b39..24529996c872 100644
--- a/drivers/net/wan/hd64570.h
+++ b/drivers/net/wan/hd64570.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HD64570_H
 #define __HD64570_H
 
diff --git a/drivers/net/wan/lmc/lmc.h b/drivers/net/wan/lmc/lmc.h
index 4ced7ac16c2c..38961793adad 100644
--- a/drivers/net/wan/lmc/lmc.h
+++ b/drivers/net/wan/lmc/lmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LMC_H_
 #define _LMC_H_
 
diff --git a/drivers/net/wan/lmc/lmc_debug.c b/drivers/net/wan/lmc/lmc_debug.c
index 15049d711f47..f999db788506 100644
--- a/drivers/net/wan/lmc/lmc_debug.c
+++ b/drivers/net/wan/lmc/lmc_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/netdevice.h>
 #include <linux/interrupt.h>
diff --git a/drivers/net/wan/lmc/lmc_debug.h b/drivers/net/wan/lmc/lmc_debug.h
index 2d46f121549f..820adcae5d67 100644
--- a/drivers/net/wan/lmc/lmc_debug.h
+++ b/drivers/net/wan/lmc/lmc_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LMC_DEBUG_H_
 #define _LMC_DEBUG_H_
 
diff --git a/drivers/net/wan/lmc/lmc_proto.h b/drivers/net/wan/lmc/lmc_proto.h
index 662148c54644..bb098e443776 100644
--- a/drivers/net/wan/lmc/lmc_proto.h
+++ b/drivers/net/wan/lmc/lmc_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LMC_PROTO_H_
 #define _LMC_PROTO_H_
 
diff --git a/drivers/net/wan/x25_asy.h b/drivers/net/wan/x25_asy.h
index f57ee67836ae..eb4a4216ee94 100644
--- a/drivers/net/wan/x25_asy.h
+++ b/drivers/net/wan/x25_asy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_X25_ASY_H
 #define _LINUX_X25_ASY_H
 
diff --git a/drivers/net/wan/z85230.h b/drivers/net/wan/z85230.h
index 2416a9d60bd6..32ae710d4f40 100644
--- a/drivers/net/wan/z85230.h
+++ b/drivers/net/wan/z85230.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Description of Z8530 Z85C30 and Z85230 communications chips
  *
diff --git a/drivers/net/wimax/i2400m/Makefile b/drivers/net/wimax/i2400m/Makefile
index f6d19c348082..b1db1eff0648 100644
--- a/drivers/net/wimax/i2400m/Makefile
+++ b/drivers/net/wimax/i2400m/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_WIMAX_I2400M) += i2400m.o
 obj-$(CONFIG_WIMAX_I2400M_USB) += i2400m-usb.o
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 54b41ac5f9c8..7fc96306712a 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Wireless network device drivers.
 #
diff --git a/drivers/net/wireless/admtek/adm8211.h b/drivers/net/wireless/admtek/adm8211.h
index bbc10b1cde87..2c55c629de28 100644
--- a/drivers/net/wireless/admtek/adm8211.h
+++ b/drivers/net/wireless/admtek/adm8211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ADM8211_H
 #define ADM8211_H
 
diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile
index 4cdebc7659dd..e4e460b5498e 100644
--- a/drivers/net/wireless/ath/Makefile
+++ b/drivers/net/wireless/ath/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ATH5K)		+= ath5k/
 obj-$(CONFIG_ATH9K_HW)		+= ath9k/
 obj-$(CONFIG_CARL9170)		+= carl9170/
diff --git a/drivers/net/wireless/ath/ath10k/Makefile b/drivers/net/wireless/ath/ath10k/Makefile
index 899b9b79f4ce..9492177e9063 100644
--- a/drivers/net/wireless/ath/ath10k/Makefile
+++ b/drivers/net/wireless/ath/ath10k/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ATH10K) += ath10k_core.o
 ath10k_core-y += mac.o \
 		 debug.o \
diff --git a/drivers/net/wireless/ath/ath5k/Makefile b/drivers/net/wireless/ath/ath5k/Makefile
index 1b3a34f7f224..a8724eee21f8 100644
--- a/drivers/net/wireless/ath/ath5k/Makefile
+++ b/drivers/net/wireless/ath/ath5k/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ath5k-y				+= caps.o
 ath5k-y				+= initvals.o
 ath5k-y				+= eeprom.o
diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c
index 04cf0ca72610..25978c732fe1 100644
--- a/drivers/net/wireless/ath/ath5k/sysfs.c
+++ b/drivers/net/wireless/ath/ath5k/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/device.h>
diff --git a/drivers/net/wireless/ath/ath5k/trace.h b/drivers/net/wireless/ath/ath5k/trace.h
index c6eef519bb61..a41e3bf42dfc 100644
--- a/drivers/net/wireless/ath/ath5k/trace.h
+++ b/drivers/net/wireless/ath/ath5k/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(__TRACE_ATH5K_H) || defined(TRACE_HEADER_MULTI_READ)
 #define __TRACE_ATH5K_H
 
diff --git a/drivers/net/wireless/ath/ath6kl/trace.h b/drivers/net/wireless/ath/ath6kl/trace.h
index 1a1ea7881b4d..91e735cfdef7 100644
--- a/drivers/net/wireless/ath/ath6kl/trace.h
+++ b/drivers/net/wireless/ath/ath6kl/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_ATH6KL_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 
 #include <net/cfg80211.h>
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 36a40ffdce15..d804ce7391a0 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ath9k-y +=	beacon.o \
 		gpio.o \
 		init.o \
diff --git a/drivers/net/wireless/ath/carl9170/version.h b/drivers/net/wireless/ath/carl9170/version.h
index a0410fe8c03a..9a44d004c206 100644
--- a/drivers/net/wireless/ath/carl9170/version.h
+++ b/drivers/net/wireless/ath/carl9170/version.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CARL9170_SHARED_VERSION_H
 #define __CARL9170_SHARED_VERSION_H
 #define CARL9170FW_VERSION_YEAR 16
diff --git a/drivers/net/wireless/ath/wcn36xx/Makefile b/drivers/net/wireless/ath/wcn36xx/Makefile
index 50c43b4382ba..3b09435104eb 100644
--- a/drivers/net/wireless/ath/wcn36xx/Makefile
+++ b/drivers/net/wireless/ath/wcn36xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_WCN36XX) := wcn36xx.o
 wcn36xx-y +=   main.o \
                dxe.o \
diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile
index d27efe83748b..398edd2a7f2b 100644
--- a/drivers/net/wireless/ath/wil6210/Makefile
+++ b/drivers/net/wireless/ath/wil6210/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_WIL6210) += wil6210.o
 
 wil6210-y := main.o
diff --git a/drivers/net/wireless/broadcom/b43/Makefile b/drivers/net/wireless/broadcom/b43/Makefile
index 27fab958e3d5..54f92ce49bb8 100644
--- a/drivers/net/wireless/broadcom/b43/Makefile
+++ b/drivers/net/wireless/broadcom/b43/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 b43-y				+= main.o
 b43-y				+= bus.o
 b43-$(CONFIG_B43_PHY_G)		+= phy_g.o tables.o lo.o wa.o
diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h
index d7d42f0b80c3..b77d1a904f7e 100644
--- a/drivers/net/wireless/broadcom/b43/b43.h
+++ b/drivers/net/wireless/broadcom/b43/b43.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_H_
 #define B43_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/bus.h b/drivers/net/wireless/broadcom/b43/bus.h
index 256c2c17939a..2a695f9e528b 100644
--- a/drivers/net/wireless/broadcom/b43/bus.h
+++ b/drivers/net/wireless/broadcom/b43/bus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_BUS_H_
 #define B43_BUS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/debugfs.h b/drivers/net/wireless/broadcom/b43/debugfs.h
index d05377745011..0bf437c86c67 100644
--- a/drivers/net/wireless/broadcom/b43/debugfs.h
+++ b/drivers/net/wireless/broadcom/b43/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_DEBUGFS_H_
 #define B43_DEBUGFS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/dma.h b/drivers/net/wireless/broadcom/b43/dma.h
index df8c8cdcbdb5..c2a357219d4b 100644
--- a/drivers/net/wireless/broadcom/b43/dma.h
+++ b/drivers/net/wireless/broadcom/b43/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_DMA_H_
 #define B43_DMA_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/leds.h b/drivers/net/wireless/broadcom/b43/leds.h
index 32b66d53cdac..5ebd1b2b1749 100644
--- a/drivers/net/wireless/broadcom/b43/leds.h
+++ b/drivers/net/wireless/broadcom/b43/leds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_LEDS_H_
 #define B43_LEDS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/lo.h b/drivers/net/wireless/broadcom/b43/lo.h
index 7b4df3883bc2..66e07ab79c51 100644
--- a/drivers/net/wireless/broadcom/b43/lo.h
+++ b/drivers/net/wireless/broadcom/b43/lo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_LO_H_
 #define B43_LO_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_a.h b/drivers/net/wireless/broadcom/b43/phy_a.h
index 0a92d01c21f9..b1cbfc02beb6 100644
--- a/drivers/net/wireless/broadcom/b43/phy_a.h
+++ b/drivers/net/wireless/broadcom/b43/phy_a.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_B43_PHY_A_H_
 #define LINUX_B43_PHY_A_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_ac.h b/drivers/net/wireless/broadcom/b43/phy_ac.h
index d1ca79e0eb24..02eb6c08670d 100644
--- a/drivers/net/wireless/broadcom/b43/phy_ac.h
+++ b/drivers/net/wireless/broadcom/b43/phy_ac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_PHY_AC_H_
 #define B43_PHY_AC_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_common.h b/drivers/net/wireless/broadcom/b43/phy_common.h
index ced054a9850c..57a1ad8afa08 100644
--- a/drivers/net/wireless/broadcom/b43/phy_common.h
+++ b/drivers/net/wireless/broadcom/b43/phy_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_B43_PHY_COMMON_H_
 #define LINUX_B43_PHY_COMMON_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_g.h b/drivers/net/wireless/broadcom/b43/phy_g.h
index 5413c906a3e7..a27b8603c75f 100644
--- a/drivers/net/wireless/broadcom/b43/phy_g.h
+++ b/drivers/net/wireless/broadcom/b43/phy_g.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_B43_PHY_G_H_
 #define LINUX_B43_PHY_G_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_ht.h b/drivers/net/wireless/broadcom/b43/phy_ht.h
index c086f56ce478..046753857493 100644
--- a/drivers/net/wireless/broadcom/b43/phy_ht.h
+++ b/drivers/net/wireless/broadcom/b43/phy_ht.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_PHY_HT_H_
 #define B43_PHY_HT_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_lcn.h b/drivers/net/wireless/broadcom/b43/phy_lcn.h
index 6a7092e13fff..0b1cfaf6394c 100644
--- a/drivers/net/wireless/broadcom/b43/phy_lcn.h
+++ b/drivers/net/wireless/broadcom/b43/phy_lcn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_PHY_LCN_H_
 #define B43_PHY_LCN_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.h b/drivers/net/wireless/broadcom/b43/phy_lp.h
index 62737f700cbc..50bef2ea6e52 100644
--- a/drivers/net/wireless/broadcom/b43/phy_lp.h
+++ b/drivers/net/wireless/broadcom/b43/phy_lp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_B43_PHY_LP_H_
 #define LINUX_B43_PHY_LP_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/phy_n.h b/drivers/net/wireless/broadcom/b43/phy_n.h
index a6da2c31a99c..b96ded0ef539 100644
--- a/drivers/net/wireless/broadcom/b43/phy_n.h
+++ b/drivers/net/wireless/broadcom/b43/phy_n.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_NPHY_H_
 #define B43_NPHY_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/pio.h b/drivers/net/wireless/broadcom/b43/pio.h
index 1e516147424f..ffbfec622f82 100644
--- a/drivers/net/wireless/broadcom/b43/pio.h
+++ b/drivers/net/wireless/broadcom/b43/pio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_PIO_H_
 #define B43_PIO_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/ppr.h b/drivers/net/wireless/broadcom/b43/ppr.h
index 24d7447e9f01..094389f9f477 100644
--- a/drivers/net/wireless/broadcom/b43/ppr.h
+++ b/drivers/net/wireless/broadcom/b43/ppr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_B43_PPR_H_
 #define LINUX_B43_PPR_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/radio_2055.h b/drivers/net/wireless/broadcom/b43/radio_2055.h
index 67f96122f8d8..ad7271cde001 100644
--- a/drivers/net/wireless/broadcom/b43/radio_2055.h
+++ b/drivers/net/wireless/broadcom/b43/radio_2055.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_RADIO_2055_H_
 #define B43_RADIO_2055_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/radio_2056.h b/drivers/net/wireless/broadcom/b43/radio_2056.h
index 5b86673459fa..59297fdce5e3 100644
--- a/drivers/net/wireless/broadcom/b43/radio_2056.h
+++ b/drivers/net/wireless/broadcom/b43/radio_2056.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_RADIO_2056_H_
 #define B43_RADIO_2056_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/radio_2057.h b/drivers/net/wireless/broadcom/b43/radio_2057.h
index 220d080238ff..d7959da77b51 100644
--- a/drivers/net/wireless/broadcom/b43/radio_2057.h
+++ b/drivers/net/wireless/broadcom/b43/radio_2057.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_RADIO_2057_H_
 #define B43_RADIO_2057_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/radio_2059.h b/drivers/net/wireless/broadcom/b43/radio_2059.h
index 9e22fb60588b..32c0025bce9d 100644
--- a/drivers/net/wireless/broadcom/b43/radio_2059.h
+++ b/drivers/net/wireless/broadcom/b43/radio_2059.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_RADIO_2059_H_
 #define B43_RADIO_2059_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/rfkill.h b/drivers/net/wireless/broadcom/b43/rfkill.h
index f046c3ca0519..8682ac5b828a 100644
--- a/drivers/net/wireless/broadcom/b43/rfkill.h
+++ b/drivers/net/wireless/broadcom/b43/rfkill.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_RFKILL_H_
 #define B43_RFKILL_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/sdio.h b/drivers/net/wireless/broadcom/b43/sdio.h
index 1e93926f388f..aa5693b123ad 100644
--- a/drivers/net/wireless/broadcom/b43/sdio.h
+++ b/drivers/net/wireless/broadcom/b43/sdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_SDIO_H_
 #define B43_SDIO_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/sysfs.h b/drivers/net/wireless/broadcom/b43/sysfs.h
index 12bda9ef1a85..e70e6cff3c53 100644
--- a/drivers/net/wireless/broadcom/b43/sysfs.h
+++ b/drivers/net/wireless/broadcom/b43/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_SYSFS_H_
 #define B43_SYSFS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/tables.h b/drivers/net/wireless/broadcom/b43/tables.h
index 80e73c7cbac5..3b0777f15f3e 100644
--- a/drivers/net/wireless/broadcom/b43/tables.h
+++ b/drivers/net/wireless/broadcom/b43/tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_TABLES_H_
 #define B43_TABLES_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/tables_lpphy.h b/drivers/net/wireless/broadcom/b43/tables_lpphy.h
index 84f1d265f657..62002098bbda 100644
--- a/drivers/net/wireless/broadcom/b43/tables_lpphy.h
+++ b/drivers/net/wireless/broadcom/b43/tables_lpphy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_TABLES_LPPHY_H_
 #define B43_TABLES_LPPHY_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/tables_nphy.h b/drivers/net/wireless/broadcom/b43/tables_nphy.h
index b51f386db02f..3876786d2692 100644
--- a/drivers/net/wireless/broadcom/b43/tables_nphy.h
+++ b/drivers/net/wireless/broadcom/b43/tables_nphy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_TABLES_NPHY_H_
 #define B43_TABLES_NPHY_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/tables_phy_ht.h b/drivers/net/wireless/broadcom/b43/tables_phy_ht.h
index 1b5ef2bc770c..7ed057118ae3 100644
--- a/drivers/net/wireless/broadcom/b43/tables_phy_ht.h
+++ b/drivers/net/wireless/broadcom/b43/tables_phy_ht.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_TABLES_PHY_HT_H_
 #define B43_TABLES_PHY_HT_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h b/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h
index caff9db6831f..5ea6c15e851e 100644
--- a/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h
+++ b/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_TABLES_PHY_LCN_H_
 #define B43_TABLES_PHY_LCN_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/wa.h b/drivers/net/wireless/broadcom/b43/wa.h
index e163c5e56e81..f3459b99d83b 100644
--- a/drivers/net/wireless/broadcom/b43/wa.h
+++ b/drivers/net/wireless/broadcom/b43/wa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_WA_H_
 #define B43_WA_H_
 
diff --git a/drivers/net/wireless/broadcom/b43/xmit.h b/drivers/net/wireless/broadcom/b43/xmit.h
index ba6115308068..6524a75bb73b 100644
--- a/drivers/net/wireless/broadcom/b43/xmit.h
+++ b/drivers/net/wireless/broadcom/b43/xmit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43_XMIT_H_
 #define B43_XMIT_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/Makefile b/drivers/net/wireless/broadcom/b43legacy/Makefile
index 227a77e84362..f8b392f09009 100644
--- a/drivers/net/wireless/broadcom/b43legacy/Makefile
+++ b/drivers/net/wireless/broadcom/b43legacy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # b43legacy core
 b43legacy-y				+= main.o
 b43legacy-y				+= ilt.o
diff --git a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h
index 482476fdb1f3..6b0cec467938 100644
--- a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_H_
 #define B43legacy_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/debugfs.h b/drivers/net/wireless/broadcom/b43legacy/debugfs.h
index 9ee32158b947..7a37764406b1 100644
--- a/drivers/net/wireless/broadcom/b43legacy/debugfs.h
+++ b/drivers/net/wireless/broadcom/b43legacy/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_DEBUGFS_H_
 #define B43legacy_DEBUGFS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/dma.h b/drivers/net/wireless/broadcom/b43legacy/dma.h
index c3282f906bc7..b5c1a51db2a4 100644
--- a/drivers/net/wireless/broadcom/b43legacy/dma.h
+++ b/drivers/net/wireless/broadcom/b43legacy/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_DMA_H_
 #define B43legacy_DMA_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/ilt.h b/drivers/net/wireless/broadcom/b43legacy/ilt.h
index 48bcf37eccb8..ce7a61e2efb1 100644
--- a/drivers/net/wireless/broadcom/b43legacy/ilt.h
+++ b/drivers/net/wireless/broadcom/b43legacy/ilt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_ILT_H_
 #define B43legacy_ILT_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/leds.h b/drivers/net/wireless/broadcom/b43legacy/leds.h
index 9ff6750dc57f..389ae06a2d10 100644
--- a/drivers/net/wireless/broadcom/b43legacy/leds.h
+++ b/drivers/net/wireless/broadcom/b43legacy/leds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_LEDS_H_
 #define B43legacy_LEDS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/pio.h b/drivers/net/wireless/broadcom/b43legacy/pio.h
index 8e6773ea6e75..1cd1b9ca5e9c 100644
--- a/drivers/net/wireless/broadcom/b43legacy/pio.h
+++ b/drivers/net/wireless/broadcom/b43legacy/pio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_PIO_H_
 #define B43legacy_PIO_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/rfkill.h b/drivers/net/wireless/broadcom/b43legacy/rfkill.h
index 75585571c544..7f314eb815d4 100644
--- a/drivers/net/wireless/broadcom/b43legacy/rfkill.h
+++ b/drivers/net/wireless/broadcom/b43legacy/rfkill.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_RFKILL_H_
 #define B43legacy_RFKILL_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/sysfs.h b/drivers/net/wireless/broadcom/b43legacy/sysfs.h
index 417d509803c7..ea9d783e6796 100644
--- a/drivers/net/wireless/broadcom/b43legacy/sysfs.h
+++ b/drivers/net/wireless/broadcom/b43legacy/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_SYSFS_H_
 #define B43legacy_SYSFS_H_
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.h b/drivers/net/wireless/broadcom/b43legacy/xmit.h
index 289db00a4a7b..e4ef869f0b8c 100644
--- a/drivers/net/wireless/broadcom/b43legacy/xmit.h
+++ b/drivers/net/wireless/broadcom/b43legacy/xmit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef B43legacy_XMIT_H_
 #define B43legacy_XMIT_H_
 
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c
index 74b17cecb189..c0a5449ed72c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <net/mac80211.h>
 #include <linux/bcma/bcma_driver_chipcommon.h>
 #include <linux/gpio.h>
diff --git a/drivers/net/wireless/cisco/airo.h b/drivers/net/wireless/cisco/airo.h
index e480adf86be6..8a02977a2e2b 100644
--- a/drivers/net/wireless/cisco/airo.h
+++ b/drivers/net/wireless/cisco/airo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AIRO_H_
 #define _AIRO_H_
 
diff --git a/drivers/net/wireless/intel/ipw2x00/Makefile b/drivers/net/wireless/intel/ipw2x00/Makefile
index aecd2cff462b..e1ec50359dff 100644
--- a/drivers/net/wireless/intel/ipw2x00/Makefile
+++ b/drivers/net/wireless/intel/ipw2x00/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Intel Centrino wireless drivers
 #
diff --git a/drivers/net/wireless/intel/iwlegacy/Makefile b/drivers/net/wireless/intel/iwlegacy/Makefile
index c826a6b985bb..c5ad0453b334 100644
--- a/drivers/net/wireless/intel/iwlegacy/Makefile
+++ b/drivers/net/wireless/intel/iwlegacy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IWLEGACY)	+= iwlegacy.o
 iwlegacy-objs 		:= common.o
 iwlegacy-$(CONFIG_IWLEGACY_DEBUGFS) += debug.o
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile
index 35a32a3ec882..595b26b66bfc 100644
--- a/drivers/net/wireless/intel/iwlwifi/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # common
 obj-$(CONFIG_IWLWIFI)	+= iwlwifi.o
 iwlwifi-objs		+= iwl-io.o
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/Makefile b/drivers/net/wireless/intel/iwlwifi/dvm/Makefile
index b256a354953a..702d42b2d452 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # DVM
 obj-$(CONFIG_IWLDVM)	+= iwldvm.o
 iwldvm-objs		+= main.o rs.o mac80211.o ucode.o tx.o
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
index 00e6737dda72..a47635c32c11 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IWLMVM)   += iwlmvm.o
 iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o
 iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o
diff --git a/drivers/net/wireless/intersil/hostap/Makefile b/drivers/net/wireless/intersil/hostap/Makefile
index b8e41a702c00..ae3bb73b2d99 100644
--- a/drivers/net/wireless/intersil/hostap/Makefile
+++ b/drivers/net/wireless/intersil/hostap/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \
             hostap_ioctl.o hostap_main.o hostap_proc.o 
 obj-$(CONFIG_HOSTAP) += hostap.o
diff --git a/drivers/net/wireless/intersil/hostap/hostap.h b/drivers/net/wireless/intersil/hostap/hostap.h
index ce8721fbc10e..8130d29c7989 100644
--- a/drivers/net/wireless/intersil/hostap/hostap.h
+++ b/drivers/net/wireless/intersil/hostap/hostap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_H
 #define HOSTAP_H
 
diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211.h b/drivers/net/wireless/intersil/hostap/hostap_80211.h
index ed98ce7c8f65..1452cf6ecb07 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_80211.h
+++ b/drivers/net/wireless/intersil/hostap/hostap_80211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_80211_H
 #define HOSTAP_80211_H
 
diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c
index 6d8b64ca1a63..61be822f90b5 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/etherdevice.h>
 #include <linux/slab.h>
 #include <linux/export.h>
diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c
index c1b10d5117ad..c47da06945c2 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/export.h>
 #include <linux/etherdevice.h>
diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c
index eb9cd6fa9c4d..1a8d8db80b05 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ap.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Intersil Prism2 driver with Host AP (software access point) support
  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.h b/drivers/net/wireless/intersil/hostap/hostap_ap.h
index 334e2d0b8e11..b7ac9e2f1a39 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ap.h
+++ b/drivers/net/wireless/intersil/hostap/hostap_ap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_AP_H
 #define HOSTAP_AP_H
 
diff --git a/drivers/net/wireless/intersil/hostap/hostap_common.h b/drivers/net/wireless/intersil/hostap/hostap_common.h
index 4230102ac9e4..22543538239b 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_common.h
+++ b/drivers/net/wireless/intersil/hostap/hostap_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_COMMON_H
 #define HOSTAP_COMMON_H
 
diff --git a/drivers/net/wireless/intersil/hostap/hostap_config.h b/drivers/net/wireless/intersil/hostap/hostap_config.h
index 2c8f71f0ed45..3ebd55847fad 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_config.h
+++ b/drivers/net/wireless/intersil/hostap/hostap_config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_CONFIG_H
 #define HOSTAP_CONFIG_H
 
diff --git a/drivers/net/wireless/intersil/hostap/hostap_download.c b/drivers/net/wireless/intersil/hostap/hostap_download.c
index 705fe668b969..4507614a7c5a 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_download.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_download.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static int prism2_enable_aux_port(struct net_device *dev, int enable)
 {
 	u16 val, reg;
diff --git a/drivers/net/wireless/intersil/hostap/hostap_info.c b/drivers/net/wireless/intersil/hostap/hostap_info.c
index 7635ac4f6679..de8a099a9386 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_info.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_info.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Host AP driver Info Frame processing (part of hostap.o module) */
 
 #include <linux/if_arp.h>
diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
index ff153ce29539..c1bc0a6ef300 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
 
 #include <linux/slab.h>
diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c
index dd84557cf957..d234231bf532 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_proc.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* /proc routines for Host AP driver */
 
 #include <linux/types.h>
diff --git a/drivers/net/wireless/intersil/hostap/hostap_wlan.h b/drivers/net/wireless/intersil/hostap/hostap_wlan.h
index 5352adb94d50..a8c4c1a8b29d 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/intersil/hostap/hostap_wlan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOSTAP_WLAN_H
 #define HOSTAP_WLAN_H
 
diff --git a/drivers/net/wireless/intersil/orinoco/Makefile b/drivers/net/wireless/intersil/orinoco/Makefile
index b7ecef820f76..0c29c56c88d6 100644
--- a/drivers/net/wireless/intersil/orinoco/Makefile
+++ b/drivers/net/wireless/intersil/orinoco/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the orinoco wireless device drivers.
 #
diff --git a/drivers/net/wireless/intersil/p54/Makefile b/drivers/net/wireless/intersil/p54/Makefile
index b542e68f1781..d71651ff904e 100644
--- a/drivers/net/wireless/intersil/p54/Makefile
+++ b/drivers/net/wireless/intersil/p54/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 p54common-objs			:= eeprom.o fwio.o txrx.o main.o
 p54common-$(CONFIG_P54_LEDS)	+= led.o
 
diff --git a/drivers/net/wireless/marvell/libertas/Makefile b/drivers/net/wireless/marvell/libertas/Makefile
index eac72f7bd341..41b9b440a542 100644
--- a/drivers/net/wireless/marvell/libertas/Makefile
+++ b/drivers/net/wireless/marvell/libertas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 libertas-y += cfg.o
 libertas-y += cmd.o
 libertas-y += cmdresp.o
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index 71ba2c8d09b5..9f3a7b512673 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement cfg80211 ("iw") support.
  *
diff --git a/drivers/net/wireless/marvell/libertas/cfg.h b/drivers/net/wireless/marvell/libertas/cfg.h
index acccc2922401..0e48dc6d81d1 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.h
+++ b/drivers/net/wireless/marvell/libertas/cfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LBS_CFG80211_H__
 #define __LBS_CFG80211_H__
 
diff --git a/drivers/net/wireless/marvell/libertas/cmd.h b/drivers/net/wireless/marvell/libertas/cmd.h
index 0c5444b02c64..80878561cb90 100644
--- a/drivers/net/wireless/marvell/libertas/cmd.h
+++ b/drivers/net/wireless/marvell/libertas/cmd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright (C) 2007, Red Hat, Inc. */
 
 #ifndef _LBS_CMD_H_
diff --git a/drivers/net/wireless/marvell/libertas/cmdresp.c b/drivers/net/wireless/marvell/libertas/cmdresp.c
index aaf01619de59..b73d08381398 100644
--- a/drivers/net/wireless/marvell/libertas/cmdresp.c
+++ b/drivers/net/wireless/marvell/libertas/cmdresp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains the handling of command
  * responses as well as events generated by firmware.
diff --git a/drivers/net/wireless/marvell/libertas/debugfs.c b/drivers/net/wireless/marvell/libertas/debugfs.c
index faed1823c58e..c83f44f9ddf1 100644
--- a/drivers/net/wireless/marvell/libertas/debugfs.c
+++ b/drivers/net/wireless/marvell/libertas/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/dcache.h>
 #include <linux/debugfs.h>
 #include <linux/delay.h>
diff --git a/drivers/net/wireless/marvell/libertas/debugfs.h b/drivers/net/wireless/marvell/libertas/debugfs.h
index f2b9c7ffe0fd..6efd1a66dad7 100644
--- a/drivers/net/wireless/marvell/libertas/debugfs.h
+++ b/drivers/net/wireless/marvell/libertas/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LBS_DEBUGFS_H_
 #define _LBS_DEBUGFS_H_
 
diff --git a/drivers/net/wireless/marvell/libertas/decl.h b/drivers/net/wireless/marvell/libertas/decl.h
index 84a3aa7ac570..5d1e30e0c5db 100644
--- a/drivers/net/wireless/marvell/libertas/decl.h
+++ b/drivers/net/wireless/marvell/libertas/decl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  *  This file contains declaration referring to
diff --git a/drivers/net/wireless/marvell/libertas/defs.h b/drivers/net/wireless/marvell/libertas/defs.h
index d3221444e51c..58e2ead7b0cc 100644
--- a/drivers/net/wireless/marvell/libertas/defs.h
+++ b/drivers/net/wireless/marvell/libertas/defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains global constant/enum definitions,
  * global variable declaration.
diff --git a/drivers/net/wireless/marvell/libertas/dev.h b/drivers/net/wireless/marvell/libertas/dev.h
index edf710bc5e77..dd1ee1f0af48 100644
--- a/drivers/net/wireless/marvell/libertas/dev.h
+++ b/drivers/net/wireless/marvell/libertas/dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file contains definitions and data structures specific
  * to Marvell 802.11 NIC. It contains the Device Information
diff --git a/drivers/net/wireless/marvell/libertas/ethtool.c b/drivers/net/wireless/marvell/libertas/ethtool.c
index 693868f16921..1bb8746a0b23 100644
--- a/drivers/net/wireless/marvell/libertas/ethtool.c
+++ b/drivers/net/wireless/marvell/libertas/ethtool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/hardirq.h>
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
diff --git a/drivers/net/wireless/marvell/libertas/host.h b/drivers/net/wireless/marvell/libertas/host.h
index 96726f79a1dd..a4fc3f79bb17 100644
--- a/drivers/net/wireless/marvell/libertas/host.h
+++ b/drivers/net/wireless/marvell/libertas/host.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file function prototypes, data structure
  * and  definitions for all the host/station commands
diff --git a/drivers/net/wireless/marvell/libertas/if_usb.h b/drivers/net/wireless/marvell/libertas/if_usb.h
index 6e42eac331de..8dc14bec3e16 100644
--- a/drivers/net/wireless/marvell/libertas/if_usb.h
+++ b/drivers/net/wireless/marvell/libertas/if_usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LBS_IF_USB_H
 #define _LBS_IF_USB_H
 
diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index 37ace5cb309d..b0cb16ef8d1d 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/delay.h>
diff --git a/drivers/net/wireless/marvell/libertas/mesh.h b/drivers/net/wireless/marvell/libertas/mesh.h
index 6603f341c874..dfe22c91aade 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.h
+++ b/drivers/net/wireless/marvell/libertas/mesh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Contains all definitions needed for the Libertas' MESH implementation.
  */
diff --git a/drivers/net/wireless/marvell/libertas/radiotap.h b/drivers/net/wireless/marvell/libertas/radiotap.h
index b3c8ea6d610e..1ed5608d353f 100644
--- a/drivers/net/wireless/marvell/libertas/radiotap.h
+++ b/drivers/net/wireless/marvell/libertas/radiotap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <net/ieee80211_radiotap.h>
 
 struct tx_radiotap_hdr {
diff --git a/drivers/net/wireless/marvell/libertas/types.h b/drivers/net/wireless/marvell/libertas/types.h
index cf1d9b047ee6..cd4ceb6f885d 100644
--- a/drivers/net/wireless/marvell/libertas/types.h
+++ b/drivers/net/wireless/marvell/libertas/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains definition for global types
  */
diff --git a/drivers/net/wireless/marvell/libertas_tf/deb_defs.h b/drivers/net/wireless/marvell/libertas_tf/deb_defs.h
index 4bd3dc5adf7c..37a98e228b46 100644
--- a/drivers/net/wireless/marvell/libertas_tf/deb_defs.h
+++ b/drivers/net/wireless/marvell/libertas_tf/deb_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
   * This header file contains global constant/enum definitions,
   * global variable declaration.
diff --git a/drivers/net/wireless/quantenna/qtnfmac/Makefile b/drivers/net/wireless/quantenna/qtnfmac/Makefile
index f236b7dc2be3..97f760a3d599 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/Makefile
+++ b/drivers/net/wireless/quantenna/qtnfmac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Copyright (c) 2015-2016 Quantenna Communications, Inc.
 # All rights reserved.
diff --git a/drivers/net/wireless/ralink/rt2x00/Makefile b/drivers/net/wireless/ralink/rt2x00/Makefile
index 24a66015a495..de030ebcdf6e 100644
--- a/drivers/net/wireless/ralink/rt2x00/Makefile
+++ b/drivers/net/wireless/ralink/rt2x00/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rt2x00lib-y				+= rt2x00dev.o
 rt2x00lib-y				+= rt2x00mac.o
 rt2x00lib-y				+= rt2x00config.o
diff --git a/drivers/net/wireless/ray_cs.h b/drivers/net/wireless/ray_cs.h
index 524c2f02dd82..0609d8625019 100644
--- a/drivers/net/wireless/ray_cs.h
+++ b/drivers/net/wireless/ray_cs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Raytheon wireless LAN PCMCIA card driver for Linux 
    A  PCMCIA client driver for the Raylink wireless network card
    Written by Corey Thomas
diff --git a/drivers/net/wireless/rayctl.h b/drivers/net/wireless/rayctl.h
index b21ed64e15df..668444f6bf07 100644
--- a/drivers/net/wireless/rayctl.h
+++ b/drivers/net/wireless/rayctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RAYCTL_H_
 #define _RAYCTL_H_
 
diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
index e8243a44d6b6..7948a2da195a 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RTL8180_H
 #define RTL8180_H
 
diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h
index 310013a2d726..de7727b74631 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RTL8180_RTL8225_H
 #define RTL8180_RTL8225_H
 
diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h b/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h
index e12575e96d11..c493e59eede9 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RTL8187_RFKILL_H
 #define RTL8187_RFKILL_H
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/Makefile b/drivers/net/wireless/realtek/rtlwifi/Makefile
index 84c2e826fa1d..09c30e428375 100644
--- a/drivers/net/wireless/realtek/rtlwifi/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RTLWIFI) 		+= rtlwifi.o
 rtlwifi-objs	:=		\
 		base.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
index 20582df0465c..d15c58737388 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 btcoexist-objs :=	halbtc8192e2ant.o	\
 			halbtc8723b1ant.o	\
 			halbtc8723b2ant.o	\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile
index dae4f0f19cd3..5ea368e8e64b 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8188ee-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile
index 0546b7556259..40f075527fc8 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192c-common-objs :=		\
 		main.o		\
 		dm_common.o	\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile
index 577c7adbc322..bc307ccc5e83 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192ce-objs :=		\
 		dm.o		\
 		hw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile
index 97437dadc287..8b3921fd2cb6 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192cu-objs :=		\
 		dm.o		\
 		hw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile
index d0703f20d30c..6482d823a57a 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192de-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile
index f254b9f64326..12dfbeb1f3ca 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192ee-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile
index dfa9dbbe2cdf..e577235f5286 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8192se-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile
index e7607d2cb2ef..d1238707291f 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8723ae-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile
index a841cbd55d8e..d3ed44d80011 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8723be-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile
index 73da75526e2a..3451198b670c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8723-common-objs :=		\
 		main.o		\
 		dm_common.o	\
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile
index 8ca406b95f02..81dbf4ca6bc6 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtl8821ae-objs :=		\
 		dm.o		\
 		fw.o		\
diff --git a/drivers/net/wireless/rsi/Makefile b/drivers/net/wireless/rsi/Makefile
index ebb89965997a..47c45908d894 100644
--- a/drivers/net/wireless/rsi/Makefile
+++ b/drivers/net/wireless/rsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rsi_91x-y			+= rsi_91x_main.o
 rsi_91x-y			+= rsi_91x_core.o
 rsi_91x-y			+= rsi_91x_mac80211.o
diff --git a/drivers/net/wireless/st/cw1200/Makefile b/drivers/net/wireless/st/cw1200/Makefile
index b086aac6547a..386a484e0707 100644
--- a/drivers/net/wireless/st/cw1200/Makefile
+++ b/drivers/net/wireless/st/cw1200/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 cw1200_core-y := \
 		fwio.o \
 		txrx.o \
diff --git a/drivers/net/wireless/ti/Makefile b/drivers/net/wireless/ti/Makefile
index af14231aeede..0530dd744275 100644
--- a/drivers/net/wireless/ti/Makefile
+++ b/drivers/net/wireless/ti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_WLCORE)			+= wlcore/
 obj-$(CONFIG_WL12XX)			+= wl12xx/
 obj-$(CONFIG_WL1251)			+= wl1251/
diff --git a/drivers/net/wireless/ti/wl1251/Makefile b/drivers/net/wireless/ti/wl1251/Makefile
index 58b4f935a3f6..38da9f8e5f82 100644
--- a/drivers/net/wireless/ti/wl1251/Makefile
+++ b/drivers/net/wireless/ti/wl1251/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 wl1251-objs		= main.o event.o tx.o rx.o ps.o cmd.o \
 			  acx.o boot.o init.o debugfs.o io.o
 wl1251_spi-objs		+= spi.o
diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c
index d6fbdda2cba3..f78fc3880423 100644
--- a/drivers/net/wireless/ti/wl1251/acx.c
+++ b/drivers/net/wireless/ti/wl1251/acx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "acx.h"
 
 #include <linux/module.h>
diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c
index ede31f048ef9..9547aea01b0f 100644
--- a/drivers/net/wireless/ti/wl1251/cmd.c
+++ b/drivers/net/wireless/ti/wl1251/cmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "cmd.h"
 
 #include <linux/module.h>
diff --git a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
index 04ed51495772..7fabe702c4cc 100644
--- a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
+++ b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WL12XX_80211_H__
 #define __WL12XX_80211_H__
 
diff --git a/drivers/net/wireless/ti/wlcore/Makefile b/drivers/net/wireless/ti/wlcore/Makefile
index e286713b3c18..7d418c57bcb5 100644
--- a/drivers/net/wireless/ti/wlcore/Makefile
+++ b/drivers/net/wireless/ti/wlcore/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 wlcore-objs		= main.o cmd.o io.o event.o tx.o rx.o ps.o acx.o \
 			  boot.o init.o debugfs.o scan.o sysfs.o vendor_cmd.o
 
diff --git a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
index 22b0bc98d7b5..181be725eff8 100644
--- a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
+++ b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WL12XX_80211_H__
 #define __WL12XX_80211_H__
 
diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h
index 3fbfd19818f1..efdce9ae36ea 100644
--- a/drivers/net/wireless/wl3501.h
+++ b/drivers/net/wireless/wl3501.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WL3501_H__
 #define __WL3501_H__
 
diff --git a/drivers/net/wireless/zydas/zd1211rw/Makefile b/drivers/net/wireless/zydas/zd1211rw/Makefile
index 5728a918e508..1647a449ce1a 100644
--- a/drivers/net/wireless/zydas/zd1211rw/Makefile
+++ b/drivers/net/wireless/zydas/zd1211rw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ZD1211RW) += zd1211rw.o
 
 zd1211rw-objs := zd_chip.o zd_mac.o \
diff --git a/drivers/nfc/Makefile b/drivers/nfc/Makefile
index 640b7274371c..5393ba59b17d 100644
--- a/drivers/nfc/Makefile
+++ b/drivers/nfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for nfc devices
 #
diff --git a/drivers/nfc/mei_phy.h b/drivers/nfc/mei_phy.h
index acd3a1fc69e6..51bd44f5f3b8 100644
--- a/drivers/nfc/mei_phy.h
+++ b/drivers/nfc/mei_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOCAL_MEI_PHY_H_
 #define __LOCAL_MEI_PHY_H_
 
diff --git a/drivers/nfc/microread/Makefile b/drivers/nfc/microread/Makefile
index 755c24cba253..2f7dda265f8f 100644
--- a/drivers/nfc/microread/Makefile
+++ b/drivers/nfc/microread/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Microread HCI based NFC driver
 #
diff --git a/drivers/nfc/nfcmrvl/Makefile b/drivers/nfc/nfcmrvl/Makefile
index fa07c7806492..e74de0cb3bb0 100644
--- a/drivers/nfc/nfcmrvl/Makefile
+++ b/drivers/nfc/nfcmrvl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for NFCMRVL NCI based NFC driver
 #
diff --git a/drivers/nfc/st-nci/Makefile b/drivers/nfc/st-nci/Makefile
index 439b2fa8654a..e0310743fed1 100644
--- a/drivers/nfc/st-nci/Makefile
+++ b/drivers/nfc/st-nci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ST_NCI NCI based NFC driver
 #
diff --git a/drivers/nubus/nubus.c b/drivers/nubus/nubus.c
index df431e8a0631..8ce69c833362 100644
--- a/drivers/nubus/nubus.c
+++ b/drivers/nubus/nubus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Macintosh Nubus Interface Code
  *
diff --git a/drivers/nubus/proc.c b/drivers/nubus/proc.c
index e8f68f5732f1..004a122ac0ff 100644
--- a/drivers/nubus/proc.c
+++ b/drivers/nubus/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* drivers/nubus/proc.c: Proc FS interface for NuBus.
 
    By David Huggins-Daines <dhd@debian.org>
diff --git a/drivers/nvdimm/Makefile b/drivers/nvdimm/Makefile
index 909554c3f955..447e0e14f3b6 100644
--- a/drivers/nvdimm/Makefile
+++ b/drivers/nvdimm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o
 obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o
 obj-$(CONFIG_ND_BTT) += nd_btt.o
diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h
index c5917f040fa7..6a3cd2a10db6 100644
--- a/drivers/nvdimm/pmem.h
+++ b/drivers/nvdimm/pmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NVDIMM_PMEM_H__
 #define __NVDIMM_PMEM_H__
 #include <linux/badblocks.h>
diff --git a/drivers/nvme/host/Makefile b/drivers/nvme/host/Makefile
index cc0aacb4c8b4..7b96e4588a12 100644
--- a/drivers/nvme/host/Makefile
+++ b/drivers/nvme/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NVME_CORE)			+= nvme-core.o
 obj-$(CONFIG_BLK_DEV_NVME)		+= nvme.o
 obj-$(CONFIG_NVME_FABRICS)		+= nvme-fabrics.o
diff --git a/drivers/nvme/target/Makefile b/drivers/nvme/target/Makefile
index fecc14f535b2..488250189c99 100644
--- a/drivers/nvme/target/Makefile
+++ b/drivers/nvme/target/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_NVME_TARGET)		+= nvmet.o
 obj-$(CONFIG_NVME_TARGET_LOOP)		+= nvme-loop.o
diff --git a/drivers/nvmem/Makefile b/drivers/nvmem/Makefile
index 173140658693..6f7a77fb3ee7 100644
--- a/drivers/nvmem/Makefile
+++ b/drivers/nvmem/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for nvmem drivers.
 #
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index 97dc01c81438..8f19d342eed8 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y = base.o device.o platform.o property.o
 obj-$(CONFIG_OF_DYNAMIC) += dynamic.o
 obj-$(CONFIG_OF_FLATTREE) += fdt.o
diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
index 2d135fba94c1..3031fc2f18f6 100644
--- a/drivers/of/unittest-data/Makefile
+++ b/drivers/of/unittest-data/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += testcases.dtb.o
 
 targets += testcases.dtb testcases.dtb.S
diff --git a/drivers/of/unittest-data/overlay.dts b/drivers/of/unittest-data/overlay.dts
index 9e791fcf05dd..ab5e89b5e27e 100644
--- a/drivers/of/unittest-data/overlay.dts
+++ b/drivers/of/unittest-data/overlay.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /plugin/;
 
diff --git a/drivers/of/unittest-data/overlay_bad_phandle.dts b/drivers/of/unittest-data/overlay_bad_phandle.dts
index 270ee885a623..4d5b99723bad 100644
--- a/drivers/of/unittest-data/overlay_bad_phandle.dts
+++ b/drivers/of/unittest-data/overlay_bad_phandle.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /plugin/;
 
diff --git a/drivers/of/unittest-data/overlay_base.dts b/drivers/of/unittest-data/overlay_base.dts
index 453d0bd83320..820b79ca378a 100644
--- a/drivers/of/unittest-data/overlay_base.dts
+++ b/drivers/of/unittest-data/overlay_base.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /plugin/;
 
diff --git a/drivers/of/unittest-data/testcases.dts b/drivers/of/unittest-data/testcases.dts
index 12f7c3d649c8..ce49463d9d32 100644
--- a/drivers/of/unittest-data/testcases.dts
+++ b/drivers/of/unittest-data/testcases.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 / {
 	testcase-data {
diff --git a/drivers/of/unittest-data/tests-interrupts.dtsi b/drivers/of/unittest-data/tests-interrupts.dtsi
index da4695f60351..ec175e800725 100644
--- a/drivers/of/unittest-data/tests-interrupts.dtsi
+++ b/drivers/of/unittest-data/tests-interrupts.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	testcase-data {
diff --git a/drivers/of/unittest-data/tests-match.dtsi b/drivers/of/unittest-data/tests-match.dtsi
index c9e541129534..1fd3b21313f5 100644
--- a/drivers/of/unittest-data/tests-match.dtsi
+++ b/drivers/of/unittest-data/tests-match.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	testcase-data {
diff --git a/drivers/of/unittest-data/tests-overlay.dtsi b/drivers/of/unittest-data/tests-overlay.dtsi
index 02ba56c20fe1..7b8001ab9f3a 100644
--- a/drivers/of/unittest-data/tests-overlay.dtsi
+++ b/drivers/of/unittest-data/tests-overlay.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	testcase-data {
diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi
index 5b1527e8a7fb..3c2f09e56b61 100644
--- a/drivers/of/unittest-data/tests-phandle.dtsi
+++ b/drivers/of/unittest-data/tests-phandle.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	aliases {
diff --git a/drivers/of/unittest-data/tests-platform.dtsi b/drivers/of/unittest-data/tests-platform.dtsi
index a0c93822aee3..fa39611071b3 100644
--- a/drivers/of/unittest-data/tests-platform.dtsi
+++ b/drivers/of/unittest-data/tests-platform.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 / {
 	testcase-data {
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 29a35cb1da64..168ef0bbabde 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Self tests for device tree subsystem
  */
diff --git a/drivers/oprofile/nmi_timer_int.c b/drivers/oprofile/nmi_timer_int.c
index e65a576e4032..f343bd96609a 100644
--- a/drivers/oprofile/nmi_timer_int.c
+++ b/drivers/oprofile/nmi_timer_int.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * @file nmi_timer_int.c
  *
diff --git a/drivers/oprofile/oprofile_perf.c b/drivers/oprofile/oprofile_perf.c
index d5b2732b1b81..4b150a754890 100644
--- a/drivers/oprofile/oprofile_perf.c
+++ b/drivers/oprofile/oprofile_perf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2010 ARM Ltd.
  * Copyright 2012 Advanced Micro Devices, Inc., Robert Richter
diff --git a/drivers/parisc/Makefile b/drivers/parisc/Makefile
index f95cab57133a..3cd5e6cb8478 100644
--- a/drivers/parisc/Makefile
+++ b/drivers/parisc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for most of the non-PCI devices in PA-RISC machines
 #
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index e56f1569f6c3..0905be256de0 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/prefetch.h>
 
 /**
diff --git a/drivers/parport/Makefile b/drivers/parport/Makefile
index 696b8d4ca887..6fa41f8173b6 100644
--- a/drivers/parport/Makefile
+++ b/drivers/parport/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel Parallel port device drivers.
 #
diff --git a/drivers/parport/ieee1284_ops.c b/drivers/parport/ieee1284_ops.c
index a959224d011b..5d41dda6da4e 100644
--- a/drivers/parport/ieee1284_ops.c
+++ b/drivers/parport/ieee1284_ops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* IEEE-1284 operations for parport.
  *
  * This file is for generic IEEE 1284 operations.  The idea is that
diff --git a/drivers/parport/multiface.h b/drivers/parport/multiface.h
index 56769dd5d315..6513a44b9ca7 100644
--- a/drivers/parport/multiface.h
+++ b/drivers/parport/multiface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MULTIFACE_H_
 #define _MULTIFACE_H_
 
diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index 4d1d6eaf333d..e035174ba205 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Parallel port device probing code
  *
diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
index 8ee44a104ac4..48804049d697 100644
--- a/drivers/parport/procfs.c
+++ b/drivers/parport/procfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Sysctl interface for parport devices.
  * 
  * Authors: David Campbell
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 66a21acad952..80adbdbcecce 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PCI bus specific drivers.
 #
diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile
index c61be9738cce..e73661182da0 100644
--- a/drivers/pci/dwc/Makefile
+++ b/drivers/pci/dwc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PCIE_DW) += pcie-designware.o
 obj-$(CONFIG_PCIE_DW_HOST) += pcie-designware-host.o
 obj-$(CONFIG_PCIE_DW_EP) += pcie-designware-ep.o
diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
index 12382785e02a..95f5b80ca52a 100644
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PCI_FTPCI100) += pci-ftpci100.o
 obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o
 obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
diff --git a/drivers/pci/host/pci-ftpci100.c b/drivers/pci/host/pci-ftpci100.c
index 96028f01bc90..4ea7d2ebcc5c 100644
--- a/drivers/pci/host/pci-ftpci100.c
+++ b/drivers/pci/host/pci-ftpci100.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for Faraday Technology FTPC100 PCI Controller
  *
diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c
index 6bbb81f06a53..95049de4131c 100644
--- a/drivers/pci/host/pcie-tango.c
+++ b/drivers/pci/host/pcie-tango.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/pci-ecam.h>
 #include <linux/delay.h>
 #include <linux/of.h>
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index e33cdda45a4d..7e3331603714 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux kernel pci hotplug controller drivers.
 #
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 7eb4109a3df4..bb88c26f5144 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File:	htirq.c
  * Purpose:	Hypertransport Interrupt Capability
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
index 83d30953ce19..10929cd43d5d 100644
--- a/drivers/pci/irq.c
+++ b/drivers/pci/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI IRQ handling code
  *
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index 7e9e79575d93..a961a71d950f 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Purpose: Export the firmware instance and label associated with
  * a pci device to sysfs
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8e075ea2743e..00fa4278c1f4 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pci/pci-sysfs.c
  *
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a6560c9baa52..fdb02c1f94bb 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DRIVERS_PCI_H
 #define DRIVERS_PCI_H
 
diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile
index 36e35ea8fde7..223e4c34c29a 100644
--- a/drivers/pci/pcie/Makefile
+++ b/drivers/pci/pcie/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for PCI-Express PORT Driver
 #
diff --git a/drivers/pci/pcie/aer/Makefile b/drivers/pci/pcie/aer/Makefile
index 2cba67510dc8..09bd890875a3 100644
--- a/drivers/pci/pcie/aer/Makefile
+++ b/drivers/pci/pcie/aer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for PCI-Express Root Port Advanced Error Reporting Driver
 #
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index d51e4a57b190..5449e5ce139d 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Intel Corp.
  *	Tom Long Nguyen (tom.l.nguyen@intel.com)
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 01906576ab91..b2019440e882 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Access ACPI _OSC method
  *
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 1dfa10cc566b..83e4a892b14b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File:	drivers/pci/pcie/aspm.c
  * Enabling PCIe link L0s/L1 state and Clock Power Management
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 4334fd5d7de9..a854bc569117 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	portdrv.h
  * Purpose:	PCI Express Port Bus Driver's Internal Data Structures
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 313a21df1692..ebc9d45bd731 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File:	portdrv_core.c
  * Purpose:	PCI Express Port Bus Driver's Core Functions
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 083276e03c38..68c389c7b975 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File:	portdrv_pci.c
  * Purpose:	PCI Express Port Bus Driver
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 098360d7ff81..58a662e3c4a6 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Procfs interface for the PCI bus.
  *
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index a4d33619a7bb..911b3b65c8b2 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This file contains work-arounds for many known PCI hardware
  *  bugs.  Devices present only on certain architectures (host
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index e576e1a8d978..c039149cacb0 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	drivers/pci/setup-res.c
  *
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index 9bf993e1f71e..83efa001c2e7 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	pci_syscall.c
  *
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 27e94b30cf96..e7dae16b9a43 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel pcmcia subsystem (c/o David Hinds)
 #
diff --git a/drivers/pcmcia/bcm63xx_pcmcia.h b/drivers/pcmcia/bcm63xx_pcmcia.h
index ed957399d863..2122c59a1c4a 100644
--- a/drivers/pcmcia/bcm63xx_pcmcia.h
+++ b/drivers/pcmcia/bcm63xx_pcmcia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_PCMCIA_H_
 #define BCM63XX_PCMCIA_H_
 
diff --git a/drivers/pcmcia/i82092aa.h b/drivers/pcmcia/i82092aa.h
index 8836d393ad02..fabe08c3e33d 100644
--- a/drivers/pcmcia/i82092aa.h
+++ b/drivers/pcmcia/i82092aa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_GUARD_i82092aa_H_
 #define _INCLUDE_GUARD_i82092aa_H_
 
diff --git a/drivers/pcmcia/m32r_cfc.h b/drivers/pcmcia/m32r_cfc.h
index f558e1adf954..05fec98617d0 100644
--- a/drivers/pcmcia/m32r_cfc.h
+++ b/drivers/pcmcia/m32r_cfc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2001 by Hiroyuki Kondo
  */
diff --git a/drivers/pcmcia/m32r_pcc.h b/drivers/pcmcia/m32r_pcc.h
index f95c58563bc8..d99ad3864ff3 100644
--- a/drivers/pcmcia/m32r_pcc.h
+++ b/drivers/pcmcia/m32r_pcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2001 by Hiroyuki Kondo
  */
diff --git a/drivers/pcmcia/pd6729.h b/drivers/pcmcia/pd6729.h
index c8e84bdece38..605cc2ccf9c5 100644
--- a/drivers/pcmcia/pd6729.h
+++ b/drivers/pcmcia/pd6729.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_GUARD_PD6729_H_
 #define _INCLUDE_GUARD_PD6729_H_
 
diff --git a/drivers/pcmcia/sa1100_assabet.c b/drivers/pcmcia/sa1100_assabet.c
index 71ace6910d7e..78ad2bba76db 100644
--- a/drivers/pcmcia/sa1100_assabet.c
+++ b/drivers/pcmcia/sa1100_assabet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_assabet.c
  *
diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c
index c3f67363f6a1..2a54081d161d 100644
--- a/drivers/pcmcia/sa1100_cerf.c
+++ b/drivers/pcmcia/sa1100_cerf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_cerf.c
  *
diff --git a/drivers/pcmcia/sa1100_generic.h b/drivers/pcmcia/sa1100_generic.h
index adb08dbc723f..a5f1f1dd63cb 100644
--- a/drivers/pcmcia/sa1100_generic.h
+++ b/drivers/pcmcia/sa1100_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "soc_common.h"
 #include "sa11xx_base.h"
 
diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c
index 431d8b07cbaf..aebf9a66fdde 100644
--- a/drivers/pcmcia/sa1100_h3600.c
+++ b/drivers/pcmcia/sa1100_h3600.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_h3600.c
  *
diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c
index b07a2dc3296e..0e52a575986e 100644
--- a/drivers/pcmcia/sa1100_shannon.c
+++ b/drivers/pcmcia/sa1100_shannon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_shannon.c
  *
diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c
index 73fd37968b6a..7ce65bb23a8e 100644
--- a/drivers/pcmcia/sa1100_simpad.c
+++ b/drivers/pcmcia/sa1100_simpad.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_simpad.c
  *
diff --git a/drivers/pcmcia/sa1111_generic.h b/drivers/pcmcia/sa1111_generic.h
index e74ecfdc1b26..c01571d46982 100644
--- a/drivers/pcmcia/sa1111_generic.h
+++ b/drivers/pcmcia/sa1111_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "soc_common.h"
 #include "sa11xx_base.h"
 
diff --git a/drivers/pcmcia/sa1111_jornada720.c b/drivers/pcmcia/sa1111_jornada720.c
index 480a3ede27c8..3d4ca87ca76c 100644
--- a/drivers/pcmcia/sa1111_jornada720.c
+++ b/drivers/pcmcia/sa1111_jornada720.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/pcmcia/sa1100_jornada720.c
  *
diff --git a/drivers/pcmcia/sa1111_neponset.c b/drivers/pcmcia/sa1111_neponset.c
index 019c395eb4bf..0ccf05a28a4b 100644
--- a/drivers/pcmcia/sa1111_neponset.c
+++ b/drivers/pcmcia/sa1111_neponset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/drivers/pcmcia/sa1100_neponset.c
  *
diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h
index 3f3625805353..b7f993f1bbd0 100644
--- a/drivers/pcmcia/soc_common.h
+++ b/drivers/pcmcia/soc_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/drivers/pcmcia/soc_common.h
  *
diff --git a/drivers/pcmcia/yenta_socket.h b/drivers/pcmcia/yenta_socket.h
index 4e75e9e258cd..efeed19e28c7 100644
--- a/drivers/pcmcia/yenta_socket.h
+++ b/drivers/pcmcia/yenta_socket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __YENTA_H
 #define __YENTA_H
 
diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile
index 6420bd4394d5..9402dc8ff22c 100644
--- a/drivers/perf/Makefile
+++ b/drivers/perf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ARM_PMU) += arm_pmu.o arm_pmu_platform.o
 obj-$(CONFIG_ARM_PMU_ACPI) += arm_pmu_acpi.o
 obj-$(CONFIG_QCOM_L2_PMU)	+= qcom_l2_pmu.o
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
index 4eafa7a42e52..4428852e1da1 100644
--- a/drivers/perf/arm_pmu_platform.c
+++ b/drivers/perf/arm_pmu_platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * platform_device probing code for ARM performance counters.
  *
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 3a52dcb09566..84e3bd9c5665 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the phy drivers.
 #
diff --git a/drivers/phy/broadcom/Makefile b/drivers/phy/broadcom/Makefile
index 4eb82ec8d491..fdd9ec8fd70b 100644
--- a/drivers/phy/broadcom/Makefile
+++ b/drivers/phy/broadcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHY_CYGNUS_PCIE)		+= phy-bcm-cygnus-pcie.o
 obj-$(CONFIG_BCM_KONA_USB2_PHY)		+= phy-bcm-kona-usb2.o
 obj-$(CONFIG_PHY_BCM_NS_USB2)		+= phy-bcm-ns-usb2.o
diff --git a/drivers/phy/marvell/Makefile b/drivers/phy/marvell/Makefile
index 0cf6a7cbaf9f..5c3ec5d10e0d 100644
--- a/drivers/phy/marvell/Makefile
+++ b/drivers/phy/marvell/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ARMADA375_USBCLUSTER_PHY)	+= phy-armada375-usb2.o
 obj-$(CONFIG_PHY_BERLIN_SATA)		+= phy-berlin-sata.o
 obj-$(CONFIG_PHY_BERLIN_USB)		+= phy-berlin-usb.o
diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile
index 2e183d7695fd..9abb7899762a 100644
--- a/drivers/phy/qualcomm/Makefile
+++ b/drivers/phy/qualcomm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHY_QCOM_APQ8064_SATA)	+= phy-qcom-apq8064-sata.o
 obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA)	+= phy-qcom-ipq806x-sata.o
 obj-$(CONFIG_PHY_QCOM_QMP)		+= phy-qcom-qmp.o
diff --git a/drivers/phy/rockchip/Makefile b/drivers/phy/rockchip/Makefile
index bd0acdf38e0f..7f149d989046 100644
--- a/drivers/phy/rockchip/Makefile
+++ b/drivers/phy/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHY_ROCKCHIP_DP)		+= phy-rockchip-dp.o
 obj-$(CONFIG_PHY_ROCKCHIP_EMMC)		+= phy-rockchip-emmc.o
 obj-$(CONFIG_PHY_ROCKCHIP_INNO_USB2)	+= phy-rockchip-inno-usb2.o
diff --git a/drivers/phy/samsung/Makefile b/drivers/phy/samsung/Makefile
index 20d7f2424772..db9b1aa0de6e 100644
--- a/drivers/phy/samsung/Makefile
+++ b/drivers/phy/samsung/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO)	+= phy-exynos-dp-video.o
 obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO)	+= phy-exynos-mipi-video.o
 obj-$(CONFIG_PHY_EXYNOS_PCIE)		+= phy-exynos-pcie.o
diff --git a/drivers/phy/ti/Makefile b/drivers/phy/ti/Makefile
index 0cc3a1a557a3..9f361756eaf2 100644
--- a/drivers/phy/ti/Makefile
+++ b/drivers/phy/ti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHY_DA8XX_USB)		+= phy-da8xx-usb.o
 obj-$(CONFIG_PHY_DM816X_USB)		+= phy-dm816x-usb.o
 obj-$(CONFIG_OMAP_CONTROL_PHY)		+= phy-omap-control.o
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index c16e27900dbb..d0d4844f8022 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # generic pinmux support
 
 subdir-ccflags-$(CONFIG_DEBUG_PINCTRL)	+= -DDEBUG
diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile
index 2a65111f3c70..80ceb9dae944 100644
--- a/drivers/pinctrl/bcm/Makefile
+++ b/drivers/pinctrl/bcm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Broadcom pinctrl support
 
 obj-$(CONFIG_PINCTRL_BCM281XX)		+= pinctrl-bcm281xx.o
diff --git a/drivers/pinctrl/freescale/Makefile b/drivers/pinctrl/freescale/Makefile
index 525a5ff5dcb4..19bb9a55a567 100644
--- a/drivers/pinctrl/freescale/Makefile
+++ b/drivers/pinctrl/freescale/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Freescale pin control drivers
 obj-$(CONFIG_PINCTRL_IMX)	+= pinctrl-imx.o
 obj-$(CONFIG_PINCTRL_IMX1_CORE)	+= pinctrl-imx1-core.o
diff --git a/drivers/pinctrl/intel/Makefile b/drivers/pinctrl/intel/Makefile
index c12874da5992..624d367caa09 100644
--- a/drivers/pinctrl/intel/Makefile
+++ b/drivers/pinctrl/intel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Intel pin control drivers
 
 obj-$(CONFIG_PINCTRL_BAYTRAIL)		+= pinctrl-baytrail.o
diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile
index e59c613d4ddd..10d90140a38a 100644
--- a/drivers/pinctrl/mediatek/Makefile
+++ b/drivers/pinctrl/mediatek/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Core
 obj-y				+= pinctrl-mtk-common.o
 
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h
index 4eb98ddb40a4..17df4cfbde4e 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PINCTRL_MTK_MT6397_H
 #define __PINCTRL_MTK_MT6397_H
 
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h
index 212559c147f8..850483d7d9be 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PINCTRL_MTK_MT8127_H
 #define __PINCTRL_MTK_MT8127_H
 
diff --git a/drivers/pinctrl/mvebu/Makefile b/drivers/pinctrl/mvebu/Makefile
index 5b03fd55e28d..cd082dca4482 100644
--- a/drivers/pinctrl/mvebu/Makefile
+++ b/drivers/pinctrl/mvebu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PINCTRL_MVEBU)	+= pinctrl-mvebu.o
 obj-$(CONFIG_PINCTRL_DOVE)	+= pinctrl-dove.o
 obj-$(CONFIG_PINCTRL_KIRKWOOD)	+= pinctrl-kirkwood.o
diff --git a/drivers/pinctrl/nomadik/Makefile b/drivers/pinctrl/nomadik/Makefile
index 30b27f18cd52..bf8b7517ee4a 100644
--- a/drivers/pinctrl/nomadik/Makefile
+++ b/drivers/pinctrl/nomadik/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Nomadik family pin control drivers
 obj-$(CONFIG_PINCTRL_ABX500)	+= pinctrl-abx500.o
 obj-$(CONFIG_PINCTRL_AB8500)	+= pinctrl-ab8500.o
diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.h b/drivers/pinctrl/nomadik/pinctrl-abx500.h
index 2beef3bfe9ca..43f9b718a8ef 100644
--- a/drivers/pinctrl/nomadik/pinctrl-abx500.h
+++ b/drivers/pinctrl/nomadik/pinctrl-abx500.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PINCTRL_PINCTRL_ABx500_H
 #define PINCTRL_PINCTRL_ABx500_H
 
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
index af4814479eb0..726c0b5501fa 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pinctrl/pinctrl.h>
 #include "pinctrl-nomadik.h"
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c
index 2860eafd1b42..ae3ac7b799a6 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pinctrl/pinctrl.h>
 #include "pinctrl-nomadik.h"
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
index e852048c4c04..7e814764da7d 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pinctrl/pinctrl.h>
 #include "pinctrl-nomadik.h"
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.h b/drivers/pinctrl/nomadik/pinctrl-nomadik.h
index 30bba2a75a58..ae0bac06639f 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.h
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PINCTRL_PINCTRL_NOMADIK_H
 #define PINCTRL_PINCTRL_NOMADIK_H
 
diff --git a/drivers/pinctrl/pinctrl-coh901.h b/drivers/pinctrl/pinctrl-coh901.h
index 87294222583e..ba2678665168 100644
--- a/drivers/pinctrl/pinctrl-coh901.h
+++ b/drivers/pinctrl/pinctrl-coh901.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 int u300_gpio_config_get(struct gpio_chip *chip,
 			 unsigned offset,
 			 unsigned long *config);
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index 06c8b2ace05f..a1db345ded1c 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Qualcomm pin control drivers
 obj-$(CONFIG_PINCTRL_MSM)	+= pinctrl-msm.o
 obj-$(CONFIG_PINCTRL_APQ8064)	+= pinctrl-apq8064.o
diff --git a/drivers/pinctrl/samsung/Makefile b/drivers/pinctrl/samsung/Makefile
index 595995851ea5..df426561d067 100644
--- a/drivers/pinctrl/samsung/Makefile
+++ b/drivers/pinctrl/samsung/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Samsung pin control drivers
 
 obj-$(CONFIG_PINCTRL_SAMSUNG)	+= pinctrl-samsung.o
diff --git a/drivers/pinctrl/sh-pfc/Makefile b/drivers/pinctrl/sh-pfc/Makefile
index 1d4f05a96bd4..a7903904b64e 100644
--- a/drivers/pinctrl/sh-pfc/Makefile
+++ b/drivers/pinctrl/sh-pfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PINCTRL_SH_PFC)	+= core.o pinctrl.o
 obj-$(CONFIG_PINCTRL_SH_PFC_GPIO)	+= gpio.o
 obj-$(CONFIG_PINCTRL_PFC_EMEV2)	+= pfc-emev2.o
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7722.c b/drivers/pinctrl/sh-pfc/pfc-sh7722.c
index 29c69133b0ef..0e733bffdb38 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7722.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7722.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
diff --git a/drivers/pinctrl/spear/Makefile b/drivers/pinctrl/spear/Makefile
index 37b8412ac8a3..da52d17550a3 100644
--- a/drivers/pinctrl/spear/Makefile
+++ b/drivers/pinctrl/spear/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # SPEAr pinmux support
 
 obj-$(CONFIG_PINCTRL_SPEAR_PLGPIO)	+= pinctrl-plgpio.o
diff --git a/drivers/pinctrl/stm32/Makefile b/drivers/pinctrl/stm32/Makefile
index 5f379f5153f1..d13ca3573486 100644
--- a/drivers/pinctrl/stm32/Makefile
+++ b/drivers/pinctrl/stm32/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Core
 obj-$(CONFIG_PINCTRL_STM32) += pinctrl-stm32.o
 
diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile
index dc6c9619e41c..12a752e836ef 100644
--- a/drivers/pinctrl/sunxi/Makefile
+++ b/drivers/pinctrl/sunxi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Core
 obj-y					+= pinctrl-sunxi.o
 
diff --git a/drivers/pinctrl/tegra/Makefile b/drivers/pinctrl/tegra/Makefile
index d9ea2be69cc4..bbcb043c34a2 100644
--- a/drivers/pinctrl/tegra/Makefile
+++ b/drivers/pinctrl/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PINCTRL_TEGRA)		+= pinctrl-tegra.o
 obj-$(CONFIG_PINCTRL_TEGRA20)		+= pinctrl-tegra20.o
 obj-$(CONFIG_PINCTRL_TEGRA30)		+= pinctrl-tegra30.o
diff --git a/drivers/pinctrl/uniphier/Makefile b/drivers/pinctrl/uniphier/Makefile
index d592ff77d60f..ec66c86e276e 100644
--- a/drivers/pinctrl/uniphier/Makefile
+++ b/drivers/pinctrl/uniphier/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y					+= pinctrl-uniphier-core.o
 
 obj-$(CONFIG_PINCTRL_UNIPHIER_LD4)	+= pinctrl-uniphier-ld4.o
diff --git a/drivers/pinctrl/vt8500/Makefile b/drivers/pinctrl/vt8500/Makefile
index 24ec45dd0d80..c6a5c3b14e9e 100644
--- a/drivers/pinctrl/vt8500/Makefile
+++ b/drivers/pinctrl/vt8500/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # VIA/Wondermedia pinctrl support
 
 obj-$(CONFIG_PINCTRL_WMT)	+= pinctrl-wmt.o
diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
index ca2692510733..d3a6630266a0 100644
--- a/drivers/platform/Makefile
+++ b/drivers/platform/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for linux/drivers/platform
 #
diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
index 66c345ca35fc..a077b1f0211d 100644
--- a/drivers/platform/chrome/Makefile
+++ b/drivers/platform/chrome/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_CHROMEOS_LAPTOP)		+= chromeos_laptop.o
 obj-$(CONFIG_CHROMEOS_PSTORE)		+= chromeos_pstore.o
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 91cec1751461..f9e3ae683bbe 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for linux/drivers/platform/x86
 # x86 Platform-Specific Drivers
diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile
index bfba893cb321..71d532f18219 100644
--- a/drivers/pnp/Makefile
+++ b/drivers/pnp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Plug-and-Play Support.
 #
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 3151fd164614..cdcfa39cf167 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index 31ad9fc3f701..c2464ee08e4a 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * card.c - contains functions for managing groups of PnP devices
  *
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index b54620e53830..3bf18d718975 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * core.c - contains all core device and protocol registration functions
  *
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index 63452f20e3e9..93a30a8f88d1 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * driver.c - device id matching, driver model, etc.
  *
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 5c5b3d47b5f6..187e4a1175b0 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * interface.c - contains everything related to the user interface
  *
diff --git a/drivers/pnp/isapnp/compat.c b/drivers/pnp/isapnp/compat.c
index 10bdcc4d4f7b..6c845b628316 100644
--- a/drivers/pnp/isapnp/compat.c
+++ b/drivers/pnp/isapnp/compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * compat.c - A series of functions to make it easier to convert drivers that use
  *            the old isapnp APIs. If possible use the new APIs instead.
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index 7ad3295752ef..144055593ec8 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * manager.c - Resource Management, Conflict Resolution, Activation and Disabling of Devices
  *
diff --git a/drivers/pnp/pnpacpi/pnpacpi.h b/drivers/pnp/pnpacpi/pnpacpi.h
index 051ef9699777..4489cd6dbc84 100644
--- a/drivers/pnp/pnpacpi/pnpacpi.h
+++ b/drivers/pnp/pnpacpi/pnpacpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ACPI_PNP_H
 #define ACPI_PNP_H
 
diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index ff563db025b3..ba5cfc3dbe11 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bioscalls.c - the lowlevel layer of the PnPBIOS driver
  */
diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c
index 5ee6b2a5f8d5..7d4aca7948dd 100644
--- a/drivers/pnp/pnpbios/proc.c
+++ b/drivers/pnp/pnpbios/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * /proc/bus/pnp interface for Plug and Play devices
  *
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index cca2f9f9f3e3..2f31b212b1a5 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * rsparser.c - parses and encodes pnpbios resource data streams
  */
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index d28e3ab9479c..f054cdddfef8 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This file contains quirk handling code for PnP devices
  *  Some devices do not report all their resources, and need to have extra
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index f980ff7166e9..70d4ba95735a 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * resource.c - Contains functions for registering and analyzing resource information
  *
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index f5beb24d036a..e4f53d31191d 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * support.c - standard functions for the use of pnp protocol drivers
  *
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index 49c1720df59a..6950503741eb 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * system.c - a driver for reserving pnp system resources
  *
diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
index 58cf5b30559f..aeb65edb17b7 100644
--- a/drivers/power/reset/Makefile
+++ b/drivers/power/reset/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_POWER_RESET_AS3722) += as3722-poweroff.o
 obj-$(CONFIG_POWER_RESET_AT91_POWEROFF) += at91-poweroff.o
 obj-$(CONFIG_POWER_RESET_AT91_RESET) += at91-reset.o
diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/gemini-poweroff.c
index de878fd26f27..ff75af5abbc5 100644
--- a/drivers/power/reset/gemini-poweroff.c
+++ b/drivers/power/reset/gemini-poweroff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Gemini power management controller
  * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile
index 621a19058fec..aae4e4a8bbb3 100644
--- a/drivers/power/supply/Makefile
+++ b/drivers/power/supply/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG
 
 power_supply-y				:= power_supply_core.o
diff --git a/drivers/power/supply/ab8500_bmdata.c b/drivers/power/supply/ab8500_bmdata.c
index 8c49586015d0..4a7ed50d1dc5 100644
--- a/drivers/power/supply/ab8500_bmdata.c
+++ b/drivers/power/supply/ab8500_bmdata.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/power_supply.h>
 #include <linux/of.h>
diff --git a/drivers/ptp/Makefile b/drivers/ptp/Makefile
index d1f2fb19c980..fd28207f5379 100644
--- a/drivers/ptp/Makefile
+++ b/drivers/ptp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for PTP 1588 clock support.
 #
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index ebefba5f528b..0258a745f30c 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PWM)		+= core.o
 obj-$(CONFIG_PWM_SYSFS)		+= sysfs.o
 obj-$(CONFIG_PWM_AB8500)	+= pwm-ab8500.o
diff --git a/drivers/rapidio/Makefile b/drivers/rapidio/Makefile
index 74dcea45ad49..a34b0254ba38 100644
--- a/drivers/rapidio/Makefile
+++ b/drivers/rapidio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for RapidIO interconnect services
 #
diff --git a/drivers/rapidio/switches/Makefile b/drivers/rapidio/switches/Makefile
index 6bdd54c4e733..69e7de31e41c 100644
--- a/drivers/rapidio/switches/Makefile
+++ b/drivers/rapidio/switches/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for RIO switches
 #
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index e2c1988cd7c0..adbf1a9e089e 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/gfp.h>
 #include <linux/kernel.h>
diff --git a/drivers/ras/debugfs.h b/drivers/ras/debugfs.h
index db72e4513191..c07443b462ad 100644
--- a/drivers/ras/debugfs.h
+++ b/drivers/ras/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RAS_DEBUGFS_H__
 #define __RAS_DEBUGFS_H__
 
diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c
index 5429d3795732..3f38907320dc 100644
--- a/drivers/ras/ras.c
+++ b/drivers/ras/ras.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2014 Intel Corporation
  *
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index cbb6e45c77b2..80ffc57a9ca3 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for regulator drivers.
 #
diff --git a/drivers/regulator/fixed-helper.c b/drivers/regulator/fixed-helper.c
index f9d027992aae..777fac6fb4cb 100644
--- a/drivers/regulator/fixed-helper.c
+++ b/drivers/regulator/fixed-helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile
index 1a0b3dd44b8c..6e16450ce11f 100644
--- a/drivers/remoteproc/Makefile
+++ b/drivers/remoteproc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Generic framework for controlling remote processors
 #
diff --git a/drivers/remoteproc/qcom_common.h b/drivers/remoteproc/qcom_common.h
index 4f8bc168473c..832e20271664 100644
--- a/drivers/remoteproc/qcom_common.h
+++ b/drivers/remoteproc/qcom_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RPROC_QCOM_COMMON_H__
 #define __RPROC_QCOM_COMMON_H__
 
diff --git a/drivers/remoteproc/qcom_wcnss.h b/drivers/remoteproc/qcom_wcnss.h
index 25fb7f62a457..62c8682d0a92 100644
--- a/drivers/remoteproc/qcom_wcnss.h
+++ b/drivers/remoteproc/qcom_wcnss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_WNCSS_H__
 #define __QCOM_WNCSS_H__
 
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index af1c15c330b3..c1fd702ac57c 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += core.o
 obj-y += hisilicon/
 obj-$(CONFIG_ARCH_STI) += sti/
diff --git a/drivers/rpmsg/Makefile b/drivers/rpmsg/Makefile
index c71f4ab1ae17..9aa859502d27 100644
--- a/drivers/rpmsg/Makefile
+++ b/drivers/rpmsg/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RPMSG)		+= rpmsg_core.o
 obj-$(CONFIG_RPMSG_CHAR)	+= rpmsg_char.o
 obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 7230014c92af..0bf1fc02b82c 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for RTC class/drivers.
 #
diff --git a/drivers/rtc/rtc-core.h b/drivers/rtc/rtc-core.h
index ecab76a3207c..513b9bedd2c8 100644
--- a/drivers/rtc/rtc-core.h
+++ b/drivers/rtc/rtc-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_RTC_INTF_DEV
 
 extern void __init rtc_dev_init(void);
diff --git a/drivers/rtc/rtc-efi-platform.c b/drivers/rtc/rtc-efi-platform.c
index 1a7f1d1bc174..6c037dc4e3dc 100644
--- a/drivers/rtc/rtc-efi-platform.c
+++ b/drivers/rtc/rtc-efi-platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Moved from arch/ia64/kernel/time.c
  *
diff --git a/drivers/rtc/rtc-sa1100.h b/drivers/rtc/rtc-sa1100.h
index 2c79c0c57822..cc724f5b07bc 100644
--- a/drivers/rtc/rtc-sa1100.h
+++ b/drivers/rtc/rtc-sa1100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RTC_SA1100_H__
 #define __RTC_SA1100_H__
 
diff --git a/drivers/s390/block/Makefile b/drivers/s390/block/Makefile
index b64e2b32c753..60c85cff556f 100644
--- a/drivers/s390/block/Makefile
+++ b/drivers/s390/block/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # S/390 block devices
 #
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index e448a0fc0c09..c94b606e0df8 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Horst  Hummel    <Horst.Hummel@de.ibm.com>
  *		    Holger Smolinski <Holger.Smolinski@de.ibm.com>
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 0e0e622eadc3..62f5f04d8f61 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PAV alias management for the DASD ECKD discipline
  *
diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h
index e84a5468d810..405b6feed465 100644
--- a/drivers/s390/block/dasd_diag.h
+++ b/drivers/s390/block/dasd_diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  * Based on.......: linux/drivers/s390/block/mdisk.h
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 34e153a6b19c..5869d2fede35 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 8713fefd794b..4630782b5456 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Character device driver for extended error reporting.
  *
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 6389feb2fb7a..ba4fa372d02d 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_fba.h b/drivers/s390/block/dasd_fba.h
index b5d3db0e5efb..b14bf1b2c691 100644
--- a/drivers/s390/block/dasd_fba.h
+++ b/drivers/s390/block/dasd_fba.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  * Bugreports.to..: <Linux390@de.ibm.com>
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 8b1341fb2e0d..7036a6c6f86f 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index db470bd10175..e94080a5196f 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index ec65c1e51c2a..7bdc6aaa0ba3 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 7104d6765773..c33788a829c3 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/scm_blk.h b/drivers/s390/block/scm_blk.h
index 71288dd9dd7f..aa42c3a2c90a 100644
--- a/drivers/s390/block/scm_blk.h
+++ b/drivers/s390/block/scm_blk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCM_BLK_H
 #define SCM_BLK_H
 
diff --git a/drivers/s390/block/scm_drv.c b/drivers/s390/block/scm_drv.c
index c98cf52d78d1..3134fd6e058e 100644
--- a/drivers/s390/block/scm_drv.c
+++ b/drivers/s390/block/scm_drv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device driver for s390 storage class memory.
  *
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index 0c443e26835d..05ac6ba15a53 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # S/390 character devices
 #
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9ec4ae056158..353f0bebcf8c 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 3215 line mode terminal driver.
  *
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 8522cfce5b4e..be3e3c1206c2 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IBM/3270 Driver - console view.
  *
diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c
index f7d92584b993..e1686a69a68e 100644
--- a/drivers/s390/char/ctrlchar.c
+++ b/drivers/s390/char/ctrlchar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Unified handling of special chars.
  *
diff --git a/drivers/s390/char/ctrlchar.h b/drivers/s390/char/ctrlchar.h
index 59c2d6e55e55..e52afa3b8180 100644
--- a/drivers/s390/char/ctrlchar.h
+++ b/drivers/s390/char/ctrlchar.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Unified handling of special chars.
  *
diff --git a/drivers/s390/char/defkeymap.c b/drivers/s390/char/defkeymap.c
index 07c7f31081bc..98a5c459a1bf 100644
--- a/drivers/s390/char/defkeymap.c
+++ b/drivers/s390/char/defkeymap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /* Do not edit this file! It was automatically generated by   */
 /*    loadkeys --mktable defkeymap.map > defkeymap.c          */
diff --git a/drivers/s390/char/diag_ftp.c b/drivers/s390/char/diag_ftp.c
index a5ccbf6f0d36..6bf1058de873 100644
--- a/drivers/s390/char/diag_ftp.c
+++ b/drivers/s390/char/diag_ftp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    DIAGNOSE X'2C4' instruction based HMC FTP services, useable on z/VM
  *
diff --git a/drivers/s390/char/diag_ftp.h b/drivers/s390/char/diag_ftp.h
index 3abd2614053a..5d036ba7114f 100644
--- a/drivers/s390/char/diag_ftp.h
+++ b/drivers/s390/char/diag_ftp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    DIAGNOSE X'2C4' instruction based SE/HMC FTP Services, useable on z/VM
  *
diff --git a/drivers/s390/char/hmcdrv_cache.c b/drivers/s390/char/hmcdrv_cache.c
index 4cda5ada143a..1f5bdb237862 100644
--- a/drivers/s390/char/hmcdrv_cache.c
+++ b/drivers/s390/char/hmcdrv_cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    SE/HMC Drive (Read) Cache Functions
  *
diff --git a/drivers/s390/char/hmcdrv_cache.h b/drivers/s390/char/hmcdrv_cache.h
index a14b57526781..d69f9fe87faa 100644
--- a/drivers/s390/char/hmcdrv_cache.h
+++ b/drivers/s390/char/hmcdrv_cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    SE/HMC Drive (Read) Cache Functions
  *
diff --git a/drivers/s390/char/hmcdrv_dev.c b/drivers/s390/char/hmcdrv_dev.c
index 43cee7fcd01c..20e9cd542e03 100644
--- a/drivers/s390/char/hmcdrv_dev.c
+++ b/drivers/s390/char/hmcdrv_dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    HMC Drive CD/DVD Device
  *
diff --git a/drivers/s390/char/hmcdrv_dev.h b/drivers/s390/char/hmcdrv_dev.h
index cb17f07e02de..558eba929130 100644
--- a/drivers/s390/char/hmcdrv_dev.h
+++ b/drivers/s390/char/hmcdrv_dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    SE/HMC Drive FTP Device
  *
diff --git a/drivers/s390/char/hmcdrv_ftp.c b/drivers/s390/char/hmcdrv_ftp.c
index 8cb7d8fbadd6..0e70397d6e04 100644
--- a/drivers/s390/char/hmcdrv_ftp.c
+++ b/drivers/s390/char/hmcdrv_ftp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    HMC Drive FTP Services
  *
diff --git a/drivers/s390/char/hmcdrv_ftp.h b/drivers/s390/char/hmcdrv_ftp.h
index f3643a7b3676..d12ca12b5ccd 100644
--- a/drivers/s390/char/hmcdrv_ftp.h
+++ b/drivers/s390/char/hmcdrv_ftp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    SE/HMC Drive FTP Services
  *
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 186d05e4c767..5b505fdaedec 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    ebcdic keycode functions for s390 console drivers
  *
diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h
index a31f339211d5..a074d9711628 100644
--- a/drivers/s390/char/keyboard.h
+++ b/drivers/s390/char/keyboard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    ebcdic keycode functions for s390 console drivers
  *
diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h
index 56519cbb165c..114ca7cbf889 100644
--- a/drivers/s390/char/raw3270.h
+++ b/drivers/s390/char/raw3270.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IBM/3270 Driver
  *
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 6111c1fa2d1e..41d8aa96801f 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * core function to access sclp interface
  *
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index 53b5d1b9761a..f41f6e2ca063 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 1999,2012
  *
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index dff8b94871f0..d7686a68c093 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2007,2012
  *
diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 6037bc87e767..d247f238faf8 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCLP line mode console driver
  *
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c
index 7003d52c2191..194ffd5c8580 100644
--- a/drivers/s390/char/sclp_config.c
+++ b/drivers/s390/char/sclp_config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/drivers/s390/char/sclp_cpi_sys.c b/drivers/s390/char/sclp_cpi_sys.c
index 90d92fbe7b9b..f60d7ea8268d 100644
--- a/drivers/s390/char/sclp_cpi_sys.c
+++ b/drivers/s390/char/sclp_cpi_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    SCLP control program identification sysfs interface
  *
diff --git a/drivers/s390/char/sclp_cpi_sys.h b/drivers/s390/char/sclp_cpi_sys.h
index 65bb6a99c97f..edf60d1ca633 100644
--- a/drivers/s390/char/sclp_cpi_sys.h
+++ b/drivers/s390/char/sclp_cpi_sys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    SCLP control program identification sysfs interface
  *
diff --git a/drivers/s390/char/sclp_ctl.c b/drivers/s390/char/sclp_ctl.c
index 78a7e4f94721..a78cea0c3a09 100644
--- a/drivers/s390/char/sclp_ctl.c
+++ b/drivers/s390/char/sclp_ctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IOCTL interface for SCLP
  *
diff --git a/drivers/s390/char/sclp_diag.h b/drivers/s390/char/sclp_diag.h
index 59c4afa5e670..796c5311b865 100644
--- a/drivers/s390/char/sclp_diag.h
+++ b/drivers/s390/char/sclp_diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2013
  *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index bc1fc00910b0..d06bc5674e5f 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCLP early driver
  *
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c
index 5029cc87e80f..edeb2597b0b8 100644
--- a/drivers/s390/char/sclp_early_core.c
+++ b/drivers/s390/char/sclp_early_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2015
  *    Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/sclp_ftp.c b/drivers/s390/char/sclp_ftp.c
index 6561cc5b2d5d..dfdd6c8fd17e 100644
--- a/drivers/s390/char/sclp_ftp.c
+++ b/drivers/s390/char/sclp_ftp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    SCLP Event Type (ET) 7 - Diagnostic Test FTP Services, useable on LPAR
  *
diff --git a/drivers/s390/char/sclp_ftp.h b/drivers/s390/char/sclp_ftp.h
index 98ba3183e7d9..d64da18c194d 100644
--- a/drivers/s390/char/sclp_ftp.h
+++ b/drivers/s390/char/sclp_ftp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    SCLP Event Type (ET) 7 - Diagnostic Test FTP Services, useable on LPAR
  *
diff --git a/drivers/s390/char/sclp_ocf.c b/drivers/s390/char/sclp_ocf.c
index f9cbb1ab047b..d35f10ea5b52 100644
--- a/drivers/s390/char/sclp_ocf.c
+++ b/drivers/s390/char/sclp_ocf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    SCLP OCF communication parameters sysfs interface
  *
diff --git a/drivers/s390/char/sclp_pci.c b/drivers/s390/char/sclp_pci.c
index 4dbb3dfd4bc7..e7c84a4e5eb5 100644
--- a/drivers/s390/char/sclp_pci.c
+++ b/drivers/s390/char/sclp_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI I/O adapter configuration related functions.
  *
diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index e4958511168a..76956c2131cd 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *     signal quiesce handler
  *
diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c
index 91b26df5227d..44594a492553 100644
--- a/drivers/s390/char/sclp_rw.c
+++ b/drivers/s390/char/sclp_rw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * driver: reading from and writing to system console on S/390 via SCLP
  *
diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h
index e3b0290995ba..a2eb22f67393 100644
--- a/drivers/s390/char/sclp_rw.h
+++ b/drivers/s390/char/sclp_rw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * interface to the SCLP-read/write driver
  *
diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index 7cdd13dd7be1..8e0b69a2f11a 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCLP "store data in absolute storage"
  *
diff --git a/drivers/s390/char/sclp_sdias.h b/drivers/s390/char/sclp_sdias.h
index f2431c414150..bc36cf881010 100644
--- a/drivers/s390/char/sclp_sdias.h
+++ b/drivers/s390/char/sclp_sdias.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SCLP "store data in absolute storage"
  *
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 236b736ae136..875628dab419 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    SCLP line mode terminal driver.
  *
diff --git a/drivers/s390/char/sclp_tty.h b/drivers/s390/char/sclp_tty.h
index c8773421c31f..0fa2d5971d0f 100644
--- a/drivers/s390/char/sclp_tty.h
+++ b/drivers/s390/char/sclp_tty.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    interface to the SCLP-read/write driver
  *
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 095481d32236..e84395d71389 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCLP VT220 terminal driver.
  *
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index ea664dd4f56d..997b25f6e4cc 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    tape device driver for 3480/3490E/3590 tapes.
  *
diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h
index 36b759e89d22..b398d8a3ed3c 100644
--- a/drivers/s390/char/tape_3590.h
+++ b/drivers/s390/char/tape_3590.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    tape device discipline for 3590 tapes.
  *
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 46ac1164f242..fc206c9d1c56 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    character device frontend for tape device driver
  *
diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h
index a332c10d50ad..d25ac075b1ad 100644
--- a/drivers/s390/char/tape_class.h
+++ b/drivers/s390/char/tape_class.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2004   All Rights Reserved.
  *
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index 8733b232a116..faae30476f4b 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    tape device driver for S/390 and zSeries tapes.
  *
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 3478e19ae194..7caba0cc8b2a 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    standard tape device functions for ibm tapes.
  *
diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h
index 8c760c036832..53ec8e2870d4 100644
--- a/drivers/s390/char/tape_std.h
+++ b/drivers/s390/char/tape_std.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    standard tape device functions for ibm tapes.
  *
diff --git a/drivers/s390/char/tty3270.h b/drivers/s390/char/tty3270.h
index 11141a8f8974..52ceed6f8408 100644
--- a/drivers/s390/char/tty3270.h
+++ b/drivers/s390/char/tty3270.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007
  *
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 7898bbcc28fc..17e411c57576 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2004, 2010
  * Interface implementation for communication with the z/VM control program
diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h
index fa320ad4593d..67164ba22f11 100644
--- a/drivers/s390/char/vmur.h
+++ b/drivers/s390/char/vmur.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux driver for System z and s390 unit record devices
  * (z/VM virtual punch, reader, printer)
diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile
index bdf47526038a..a070ef0efe65 100644
--- a/drivers/s390/cio/Makefile
+++ b/drivers/s390/cio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the S/390 common i/o drivers
 #
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c
index 99b5db469097..a45011e4529e 100644
--- a/drivers/s390/cio/airq.c
+++ b/drivers/s390/cio/airq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Support for adapter interruptions
  *
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index bf7f5d4c50e1..2a3f874a21d5 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *   S/390 common I/O routines -- blacklisting of specific devices
  *
diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c
index 2782100b2c07..603268a33ea1 100644
--- a/drivers/s390/cio/ccwreq.c
+++ b/drivers/s390/cio/ccwreq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Handling of internal CCW device requests.
  *
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h
index 0d8437b7ea72..7e80323cd261 100644
--- a/drivers/s390/cio/chp.h
+++ b/drivers/s390/cio/chp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007, 2010
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 321a3f765810..dda5953534b7 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CHSC_H
 #define S390_CHSC_H
 
diff --git a/drivers/s390/cio/chsc_sch.h b/drivers/s390/cio/chsc_sch.h
index 589ebfad6aad..ff5328b0bc8a 100644
--- a/drivers/s390/cio/chsc_sch.h
+++ b/drivers/s390/cio/chsc_sch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CHSC_SCH_H
 #define _CHSC_SCH_H
 
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 939596d81b73..94cd813bdcfe 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CIO_H
 #define S390_CIO_H
 
diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h
index e64e8278c42e..fa817efcec8f 100644
--- a/drivers/s390/cio/cio_debug.h
+++ b/drivers/s390/cio/cio_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CIO_DEBUG_H
 #define CIO_DEBUG_H
 
diff --git a/drivers/s390/cio/crw.c b/drivers/s390/cio/crw.c
index 3d3cd402b376..fc285ca41141 100644
--- a/drivers/s390/cio/crw.c
+++ b/drivers/s390/cio/crw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *   Channel report handling code
  *
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index c9f3fb39ebeb..30357cbf350a 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CSS_H
 #define _CSS_H
 
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 69cb70f080a5..b37c22adcc7a 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_DEVICE_H
 #define S390_DEVICE_H
 
diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index d4fa30541a33..f6df83a9dfbb 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  CCW device SENSE ID I/O handling.
  *
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index da246b67edfe..d30a3babf176 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  CCW device PGID and path verification I/O handling.
  *
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index 9bc3512374c9..7d5c7892b2c4 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2002
  *    Author(s): Cornelia Huck (cornelia.huck@de.ibm.com)
diff --git a/drivers/s390/cio/eadm_sch.h b/drivers/s390/cio/eadm_sch.h
index 9664e4653f98..390ab5a6b72f 100644
--- a/drivers/s390/cio/eadm_sch.h
+++ b/drivers/s390/cio/eadm_sch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef EADM_SCH_H
 #define EADM_SCH_H
 
diff --git a/drivers/s390/cio/fcx.c b/drivers/s390/cio/fcx.c
index ca5e9bb9d458..99c900cc3e5b 100644
--- a/drivers/s390/cio/fcx.c
+++ b/drivers/s390/cio/fcx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Functions for assembling fcx enabled I/O control blocks.
  *
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index b3e06a7b9480..835de44dbbcc 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 89a787790888..a3ece8d8091a 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 9a1b56b2df3e..af571d8d6925 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_IO_SCH_H
 #define S390_IO_SCH_H
 
diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c
index 4182f60124da..4fa9ee1d09fa 100644
--- a/drivers/s390/cio/ioasm.c
+++ b/drivers/s390/cio/ioasm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Channel subsystem I/O instructions.
  */
diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index b31ee6bff1e4..35ad4ddd61e0 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CIO_IOASM_H
 #define S390_CIO_IOASM_H
 
diff --git a/drivers/s390/cio/itcw.c b/drivers/s390/cio/itcw.c
index 358ee16d10a2..deaf59f93326 100644
--- a/drivers/s390/cio/itcw.c
+++ b/drivers/s390/cio/itcw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Functions for incremental construction of fcx enabled I/O control blocks.
  *
diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h
index 7a640530e7f5..a2d3778b2c95 100644
--- a/drivers/s390/cio/orb.h
+++ b/drivers/s390/cio/orb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Orb related data structures.
  *
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 7e70f9298cc1..29d6b5222f1c 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2000, 2009
  * Author(s): Utz Bacher <utz.bacher@de.ibm.com>
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index b6fc147f83d8..68a82f3e2e92 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright IBM Corp. 2008, 2009
  *
diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h
index 1d595d17bf11..e06496ab0036 100644
--- a/drivers/s390/cio/qdio_debug.h
+++ b/drivers/s390/cio/qdio_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2008
  *
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index c61164f4528e..a739bdf9630e 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2000, 2009
  * Author(s): Utz Bacher <utz.bacher@de.ibm.com>
diff --git a/drivers/s390/cio/trace.c b/drivers/s390/cio/trace.c
index 8e706669ac8b..e331cd97e83b 100644
--- a/drivers/s390/cio/trace.c
+++ b/drivers/s390/cio/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tracepoint definitions for s390_cio
  *
diff --git a/drivers/s390/cio/trace.h b/drivers/s390/cio/trace.h
index 5b807a09f21b..1f8d1c1e566d 100644
--- a/drivers/s390/cio/trace.h
+++ b/drivers/s390/cio/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Tracepoint header for the s390 Common I/O layer (CIO)
  *
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index 5ccfdc80d0ec..f20b4d66c75f 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * channel program interfaces
  *
diff --git a/drivers/s390/cio/vfio_ccw_cp.h b/drivers/s390/cio/vfio_ccw_cp.h
index 7a1996b3b36d..a4b74fb1aa57 100644
--- a/drivers/s390/cio/vfio_ccw_cp.h
+++ b/drivers/s390/cio/vfio_ccw_cp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * channel program interfaces
  *
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index 80a0559cd7ce..c30420c517b1 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Finite state machine for vfio-ccw device handling
  *
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
index a66a317f3e4f..41eeb57d68a3 100644
--- a/drivers/s390/cio/vfio_ccw_ops.c
+++ b/drivers/s390/cio/vfio_ccw_ops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Physical device callbacks for vfio_ccw
  *
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h
index fc0f01c16ef9..78a66d96756b 100644
--- a/drivers/s390/cio/vfio_ccw_private.h
+++ b/drivers/s390/cio/vfio_ccw_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Private stuff for vfio_ccw driver
  *
diff --git a/drivers/s390/crypto/Makefile b/drivers/s390/crypto/Makefile
index be36f1010d75..b59af548ed1c 100644
--- a/drivers/s390/crypto/Makefile
+++ b/drivers/s390/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # S/390 crypto devices
 #
diff --git a/drivers/s390/crypto/ap_asm.h b/drivers/s390/crypto/ap_asm.h
index cd350345b3d2..6c0474c834d4 100644
--- a/drivers/s390/crypto/ap_asm.h
+++ b/drivers/s390/crypto/ap_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2016
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index 836efac96813..8a31c9e95430 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2016
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/ap_debug.h b/drivers/s390/crypto/ap_debug.h
index 78dbff842dae..6a9d77c75ec3 100644
--- a/drivers/s390/crypto/ap_debug.h
+++ b/drivers/s390/crypto/ap_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2016
  *  Author(s): Harald Freudenberger <freude@de.ibm.com>
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 56b96edffd5b..6c8bd8ad6185 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2016
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/zcrypt_cex4.h b/drivers/s390/crypto/zcrypt_cex4.h
index 719571375ccc..748390a3799b 100644
--- a/drivers/s390/crypto/zcrypt_cex4.h
+++ b/drivers/s390/crypto/zcrypt_cex4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2012
  *  Author(s): Holger Dengler <hd@linux.vnet.ibm.com>
diff --git a/drivers/s390/crypto/zcrypt_debug.h b/drivers/s390/crypto/zcrypt_debug.h
index 13e38defb6b8..241dbb5f75bf 100644
--- a/drivers/s390/crypto/zcrypt_debug.h
+++ b/drivers/s390/crypto/zcrypt_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright IBM Corp. 2016
  *  Author(s): Holger Dengler (hd@linux.vnet.ibm.com)
diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile
index c351b07603e0..513b7ae64980 100644
--- a/drivers/s390/net/Makefile
+++ b/drivers/s390/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # S/390 network devices
 #
diff --git a/drivers/s390/net/ctcm_dbug.c b/drivers/s390/net/ctcm_dbug.c
index 8363f1c966ef..f7ec51db3cd6 100644
--- a/drivers/s390/net/ctcm_dbug.c
+++ b/drivers/s390/net/ctcm_dbug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Copyright IBM Corp. 2001, 2007
  *	Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
diff --git a/drivers/s390/net/ctcm_dbug.h b/drivers/s390/net/ctcm_dbug.h
index 47bf0501995e..675575ef162e 100644
--- a/drivers/s390/net/ctcm_dbug.h
+++ b/drivers/s390/net/ctcm_dbug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Copyright IBM Corp. 2001, 2007
  *	Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 570ae3b7adf6..1b4ee570b712 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2001, 2007
  * Authors:	Fritz Elfert (felfert@millenux.com)
diff --git a/drivers/s390/net/ctcm_fsms.h b/drivers/s390/net/ctcm_fsms.h
index c963d04799c0..225737295cb4 100644
--- a/drivers/s390/net/ctcm_fsms.h
+++ b/drivers/s390/net/ctcm_fsms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2001, 2007
  * Authors: 	Fritz Elfert (felfert@millenux.com)
diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h
index 6f4417c80247..16bdf23ee02b 100644
--- a/drivers/s390/net/ctcm_main.h
+++ b/drivers/s390/net/ctcm_main.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Copyright IBM Corp. 2001, 2007
  *	Authors:	Fritz Elfert (felfert@millenux.com)
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index f8be39634f03..e02f295d38a9 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Copyright IBM Corp. 2004, 2007
  *	Authors:	Belinda Thompson (belindat@us.ibm.com)
diff --git a/drivers/s390/net/ctcm_mpc.h b/drivers/s390/net/ctcm_mpc.h
index bd1b1cc54ffa..441d7b211f0f 100644
--- a/drivers/s390/net/ctcm_mpc.h
+++ b/drivers/s390/net/ctcm_mpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright IBM Corp. 2007
  * Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c
index ddb0aa321339..ded1930a00b2 100644
--- a/drivers/s390/net/ctcm_sysfs.c
+++ b/drivers/s390/net/ctcm_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2007, 2007
  * Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
diff --git a/drivers/s390/net/fsm.h b/drivers/s390/net/fsm.h
index a4510cf59034..16dc071a2973 100644
--- a/drivers/s390/net/fsm.h
+++ b/drivers/s390/net/fsm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FSM_H_
 #define _FSM_H_
 
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
index 150fcb4cebc3..f94d8f6dd7a8 100644
--- a/drivers/s390/net/lcs.h
+++ b/drivers/s390/net/lcs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*lcs.h*/
 
 #include <linux/interrupt.h>
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 59e09854c4f7..47a13c5723c6 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index 6dd7d05e5693..dafb8c643426 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Frank Pavlic <fpavlic@de.ibm.com>,
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 912e0107de8f..55f3d234ea1d 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Frank Pavlic <fpavlic@de.ibm.com>,
diff --git a/drivers/s390/net/qeth_l2.h b/drivers/s390/net/qeth_l2.h
index 0d59f9a45ea9..d4a8293d318d 100644
--- a/drivers/s390/net/qeth_l2.h
+++ b/drivers/s390/net/qeth_l2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2013
  *    Author(s): Eugene Crosser <eugene.crosser@ru.ibm.com>
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index 9696baa49e2d..d33d413f7150 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2013
  *    Author(s): Eugene Crosser <eugene.crosser@ru.ibm.com>
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index 9b5e439f18cf..194ae9b577cc 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index e8bcc314cc5f..7a829ad77783 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
diff --git a/drivers/s390/net/smsgiucv.h b/drivers/s390/net/smsgiucv.h
index 45bc925928ca..a0d6c6130c4b 100644
--- a/drivers/s390/net/smsgiucv.h
+++ b/drivers/s390/net/smsgiucv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IUCV special message driver
  *
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 54c7b48fdb46..49eda141ea43 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 8227076c9cbb..a8b831000b2d 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 3508c00458f4..e2a973cd2573 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  * debug feature declarations
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index b8e853e53546..3396a47721a7 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 37408f5f81ce..6f848aeacec2 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index a9e968717dd9..8ca2ab7deaa9 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 8210645c2111..ca218c82321f 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index 41f22d3dc6d1..6a397ddaadf0 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 69d1dc3ec79d..00fb98f7b2cd 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index 88feba5bfda4..4baca67aba6d 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 9e358fc04b78..4ab02e8d36f3 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h
index 7f647a90c750..886c662cc154 100644
--- a/drivers/s390/scsi/zfcp_qdio.h
+++ b/drivers/s390/scsi/zfcp_qdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_reqlist.h b/drivers/s390/scsi/zfcp_reqlist.h
index 703fce59befe..59a943c0d51d 100644
--- a/drivers/s390/scsi/zfcp_reqlist.h
+++ b/drivers/s390/scsi/zfcp_reqlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index ec3ddd1d31d5..ebea205f9de8 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 96a0be13e841..3ac823f2540f 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c
index 9310a547b89f..1bf0a0984a09 100644
--- a/drivers/s390/scsi/zfcp_unit.c
+++ b/drivers/s390/scsi/zfcp_unit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * zfcp device driver
  *
diff --git a/drivers/sbus/char/Makefile b/drivers/sbus/char/Makefile
index 78b6183c9866..ae478144c551 100644
--- a/drivers/sbus/char/Makefile
+++ b/drivers/sbus/char/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel miscellaneous SPARC device drivers.
 #
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index 228c782d6433..fb5bcf6dddc1 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* bbc_envctrl.c: UltraSPARC-III environment control driver.
  *
  * Copyright (C) 2001, 2008 David S. Miller (davem@davemloft.net)
diff --git a/drivers/sbus/char/bbc_i2c.h b/drivers/sbus/char/bbc_i2c.h
index 4b4531066e75..c2d066d3fa41 100644
--- a/drivers/sbus/char/bbc_i2c.h
+++ b/drivers/sbus/char/bbc_i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BBC_I2C_H
 #define _BBC_I2C_H
 
diff --git a/drivers/sbus/char/max1617.h b/drivers/sbus/char/max1617.h
index cd30819a0a30..45c8318787d8 100644
--- a/drivers/sbus/char/max1617.h
+++ b/drivers/sbus/char/max1617.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: max1617.h,v 1.1 2001/04/02 09:59:08 davem Exp $ */
 #ifndef _MAX1617_H
 #define _MAX1617_H
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index f34c916b95bc..0c9a100af667 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* Driver for 53c700 and 53c700-66 chips from NCR and Symbios
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 93dbe58c47c8..1639bf8b1ab6 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for linux/drivers/scsi
 #
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 8a0812221d72..777b0222d021 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NCR 5380 generic driver routines.  These should make it *trivial*
  * to implement 5380 SCSI drivers under Linux with a non-trantor
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index d78f0957d865..31096a0b0fdd 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * NCR 5380 defines
  *
diff --git a/drivers/scsi/NCR_D700.h b/drivers/scsi/NCR_D700.h
index f167af6bd2af..eb675d782ef6 100644
--- a/drivers/scsi/NCR_D700.h
+++ b/drivers/scsi/NCR_D700.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* NCR Dual 700 MCA SCSI Driver
diff --git a/drivers/scsi/NCR_Q720.h b/drivers/scsi/NCR_Q720.h
index 7b9209008187..d5f46cdb736e 100644
--- a/drivers/scsi/NCR_Q720.h
+++ b/drivers/scsi/NCR_Q720.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* NCR Quad 720 MCA SCSI Driver
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
index 794b8e65c711..8d8a4074a570 100644
--- a/drivers/scsi/a2091.h
+++ b/drivers/scsi/a2091.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef A2091_H
 #define A2091_H
 
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h
index 49db4a335aab..5cb3e7535281 100644
--- a/drivers/scsi/a3000.h
+++ b/drivers/scsi/a3000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef A3000_H
 #define A3000_H
 
diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h
index ac4bfa438bf2..efd01877d02b 100644
--- a/drivers/scsi/aha152x.h
+++ b/drivers/scsi/aha152x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA152X_H
 #define _AHA152X_H
 
diff --git a/drivers/scsi/aha1542.h b/drivers/scsi/aha1542.h
index 0fe9bae1b3d1..f5b0d210fb3c 100644
--- a/drivers/scsi/aha1542.h
+++ b/drivers/scsi/aha1542.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA1542_H_
 #define _AHA1542_H_
 
diff --git a/drivers/scsi/aha1740.h b/drivers/scsi/aha1740.h
index b0c5603461ca..dfdaa4d3ea4e 100644
--- a/drivers/scsi/aha1740.h
+++ b/drivers/scsi/aha1740.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA1740_H
 
 /* $Id$
diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile
index b03ba0df7a83..c15be2590d1c 100644
--- a/drivers/scsi/aic7xxx/Makefile
+++ b/drivers/scsi/aic7xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux aic7xxx SCSI driver.
 #
diff --git a/drivers/scsi/aic7xxx/aicasm/Makefile b/drivers/scsi/aic7xxx/aicasm/Makefile
index 45e2d49c1fff..243adb0a38d1 100644
--- a/drivers/scsi/aic7xxx/aicasm/Makefile
+++ b/drivers/scsi/aic7xxx/aicasm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 PROG=	aicasm
 
 OUTDIR ?= ./
diff --git a/drivers/scsi/arm/Makefile b/drivers/scsi/arm/Makefile
index 16c3e86a6b1b..b576d9276f71 100644
--- a/drivers/scsi/arm/Makefile
+++ b/drivers/scsi/arm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for drivers/scsi/arm
 #
diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h
index 9b839b1e895a..75c44399fc88 100644
--- a/drivers/scsi/atp870u.h
+++ b/drivers/scsi/atp870u.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ATP870U_H
 #define _ATP870U_H
 
diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile
index 475cf925d5e8..442fc3db8f1f 100644
--- a/drivers/scsi/bfa/Makefile
+++ b/drivers/scsi/bfa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
 
 bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o bfad_bsg.o
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 6dc96c8dfe75..d4c2a2e4c5d4 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ASCII values for a number of symbolic constants, printing functions,
  * etc.
diff --git a/drivers/scsi/csiostor/Makefile b/drivers/scsi/csiostor/Makefile
index 3681a3fbd499..d047e22eac0d 100644
--- a/drivers/scsi/csiostor/Makefile
+++ b/drivers/scsi/csiostor/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 ## Chelsio FCoE driver
 #
diff --git a/drivers/scsi/dc395x.h b/drivers/scsi/dc395x.h
index fbf35e37701e..5379a936141a 100644
--- a/drivers/scsi/dc395x.h
+++ b/drivers/scsi/dc395x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /************************************************************************/
 /*									*/
 /*	dc395x.h							*/
diff --git a/drivers/scsi/eata_generic.h b/drivers/scsi/eata_generic.h
index 5016af5cf860..1a396c5e7f73 100644
--- a/drivers/scsi/eata_generic.h
+++ b/drivers/scsi/eata_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /********************************************************
 * Header file for eata_dma.c and eata_pio.c		*
 * Linux EATA SCSI drivers				*
diff --git a/drivers/scsi/eata_pio.h b/drivers/scsi/eata_pio.h
index 7deeb935748b..5b5e3d13670b 100644
--- a/drivers/scsi/eata_pio.h
+++ b/drivers/scsi/eata_pio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /********************************************************
 * Header file for eata_pio.c Linux EATA-PIO SCSI driver *
 * (c) 1993-96 Michael Neuffer  	                        *
diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
index 7e8932ae91f8..8163dca2071b 100644
--- a/drivers/scsi/esp_scsi.h
+++ b/drivers/scsi/esp_scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* esp_scsi.h: Defines and structures for the ESP driver.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/drivers/scsi/fcoe/libfcoe.h b/drivers/scsi/fcoe/libfcoe.h
index d3bb16d11401..b8bdfab51a58 100644
--- a/drivers/scsi/fcoe/libfcoe.h
+++ b/drivers/scsi/fcoe/libfcoe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FCOE_LIBFCOE_H_
 #define _FCOE_LIBFCOE_H_
 
diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile
index 383598fadf04..6214a6b2e96d 100644
--- a/drivers/scsi/fnic/Makefile
+++ b/drivers/scsi/fnic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FCOE_FNIC) += fnic.o
 
 fnic-y	:= \
diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h
index 3fd8b83ffbf9..95fc720c1b30 100644
--- a/drivers/scsi/gdth.h
+++ b/drivers/scsi/gdth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_H
 #define _GDTH_H
 
diff --git a/drivers/scsi/gdth_ioctl.h b/drivers/scsi/gdth_ioctl.h
index b004c6165887..4c91894ac244 100644
--- a/drivers/scsi/gdth_ioctl.h
+++ b/drivers/scsi/gdth_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_IOCTL_H
 #define _GDTH_IOCTL_H
 
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c
index d08b2716752c..20add49cdd32 100644
--- a/drivers/scsi/gdth_proc.c
+++ b/drivers/scsi/gdth_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* gdth_proc.c 
  * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
  */
diff --git a/drivers/scsi/gdth_proc.h b/drivers/scsi/gdth_proc.h
index aaa618198972..d7d0aa283695 100644
--- a/drivers/scsi/gdth_proc.h
+++ b/drivers/scsi/gdth_proc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_PROC_H
 #define _GDTH_PROC_H
 
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index 852913cde5dd..61c1a3584461 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GVP11_H
 
 /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
diff --git a/drivers/scsi/ibmvscsi_tgt/libsrp.h b/drivers/scsi/ibmvscsi_tgt/libsrp.h
index 9fec55b36322..832606ae2908 100644
--- a/drivers/scsi/ibmvscsi_tgt/libsrp.h
+++ b/drivers/scsi/ibmvscsi_tgt/libsrp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LIBSRP_H__
 #define __LIBSRP_H__
 
diff --git a/drivers/scsi/imm.h b/drivers/scsi/imm.h
index 8f6f32fc61ff..7f2bb35b1b87 100644
--- a/drivers/scsi/imm.h
+++ b/drivers/scsi/imm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*  Driver for the Iomega MatchMaker parallel port SCSI HBA embedded in 
  * the Iomega ZIP Plus drive
diff --git a/drivers/scsi/isci/Makefile b/drivers/scsi/isci/Makefile
index 3359e10e0d8f..da6f04cae272 100644
--- a/drivers/scsi/isci/Makefile
+++ b/drivers/scsi/isci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_ISCI) += isci.o
 isci-objs := init.o phy.o request.o \
 	     remote_device.o port.o \
diff --git a/drivers/scsi/libfc/Makefile b/drivers/scsi/libfc/Makefile
index 4bb23ac86a5c..65396f86c307 100644
--- a/drivers/scsi/libfc/Makefile
+++ b/drivers/scsi/libfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # $Id: Makefile
 
 obj-$(CONFIG_LIBFC) += libfc.o
diff --git a/drivers/scsi/mac53c94.h b/drivers/scsi/mac53c94.h
index 1ad24e4f0a85..5df6e81f78a8 100644
--- a/drivers/scsi/mac53c94.h
+++ b/drivers/scsi/mac53c94.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mac53c94.h: definitions for the driver for the 53c94 SCSI bus adaptor
  * found on Power Macintosh computers, controlling the external SCSI chain.
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index 508d65e5a518..21eba2fd465a 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MEGARAID_H__
 #define __MEGARAID_H__
 
diff --git a/drivers/scsi/megaraid/Makefile b/drivers/scsi/megaraid/Makefile
index 5826ed509e3e..6e74d21227a5 100644
--- a/drivers/scsi/megaraid/Makefile
+++ b/drivers/scsi/megaraid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MEGARAID_MM)	+= megaraid_mm.o
 obj-$(CONFIG_MEGARAID_MAILBOX)	+= megaraid_mbox.o
 obj-$(CONFIG_MEGARAID_SAS)	+= megaraid_sas.o
diff --git a/drivers/scsi/mesh.h b/drivers/scsi/mesh.h
index 4fdb81fa55e2..ee53c05ace95 100644
--- a/drivers/scsi/mesh.h
+++ b/drivers/scsi/mesh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mesh.h: definitions for the driver for the MESH SCSI bus adaptor
  * (Macintosh Enhanced SCSI Hardware) found on Power Macintosh computers.
diff --git a/drivers/scsi/mpt3sas/Makefile b/drivers/scsi/mpt3sas/Makefile
index b7643f596c1e..84fb3fbdb0ca 100644
--- a/drivers/scsi/mpt3sas/Makefile
+++ b/drivers/scsi/mpt3sas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # mpt3sas makefile
 obj-$(CONFIG_SCSI_MPT3SAS) += mpt3sas.o
 mpt3sas-y +=  mpt3sas_base.o     \
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2.h b/drivers/scsi/mpt3sas/mpi/mpi2.h
index a9a659fc2812..2608011cc7f1 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
index fa61baf7c74d..036c9cf61032 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_init.h b/drivers/scsi/mpt3sas/mpi/mpi2_init.h
index bba56b61d36c..38b2c879bf0f 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_init.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
index af4be403582e..673cf05f94dc 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
index 1c0eeeeb5eaf..b9bb1c178f12 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
index c10c2c02a945..afa17ff246b4 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
index 5f9289a1166f..593765a4ddb8 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_type.h b/drivers/scsi/mpt3sas/mpi/mpi2_type.h
index 92a81abc2c31..36494439a419 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_type.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 4f515700bdc3..e6b2b681fda3 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/mm.h>
 #include <linux/blkdev.h>
diff --git a/drivers/scsi/mvme147.h b/drivers/scsi/mvme147.h
index bfd4566ef050..f75ff58ddcd0 100644
--- a/drivers/scsi/mvme147.h
+++ b/drivers/scsi/mvme147.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MVME147_H
 
 /* $Id: mvme147.h,v 1.4 1997/01/19 23:07:10 davem Exp $
diff --git a/drivers/scsi/osst.h b/drivers/scsi/osst.h
index b4fea98ba276..b90ae280853d 100644
--- a/drivers/scsi/osst.h
+++ b/drivers/scsi/osst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	$Header: /cvsroot/osst/Driver/osst.h,v 1.16 2005/01/01 21:13:35 wriede Exp $
  */
diff --git a/drivers/scsi/osst_detect.h b/drivers/scsi/osst_detect.h
index 21717d0e6974..83c1d4fb11db 100644
--- a/drivers/scsi/osst_detect.h
+++ b/drivers/scsi/osst_detect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define SIGS_FROM_OSST \
        {"OnStream", "SC-", "", "osst"}, \
        {"OnStream", "DI-", "", "osst"}, \
diff --git a/drivers/scsi/osst_options.h b/drivers/scsi/osst_options.h
index ff1e610946ed..a6a389b88876 100644
--- a/drivers/scsi/osst_options.h
+++ b/drivers/scsi/osst_options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
    The compile-time configurable defaults for the Linux SCSI tape driver.
 
diff --git a/drivers/scsi/pcmcia/Makefile b/drivers/scsi/pcmcia/Makefile
index 683bf148b5b7..44eea2d43143 100644
--- a/drivers/scsi/pcmcia/Makefile
+++ b/drivers/scsi/pcmcia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-y		:= -Idrivers/scsi
 
diff --git a/drivers/scsi/pm8001/Makefile b/drivers/scsi/pm8001/Makefile
index ce4cd87c7c66..02b7338999cc 100644
--- a/drivers/scsi/pm8001/Makefile
+++ b/drivers/scsi/pm8001/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Kernel configuration file for the PM8001 SAS/SATA 8x6G based HBA driver
 #
diff --git a/drivers/scsi/ppa.h b/drivers/scsi/ppa.h
index ba8021427b88..6a1f8a2d70eb 100644
--- a/drivers/scsi/ppa.h
+++ b/drivers/scsi/ppa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*  Driver for the PPA3 parallel port SCSI HBA embedded in 
  * the Iomega ZIP drive
  * 
diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index 0b767a0bb308..17d5bc1cc56b 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
 		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o \
 		qla_nx.o qla_mr.o qla_nx2.o qla_target.o qla_tmpl.o qla_nvme.o
diff --git a/drivers/scsi/qla2xxx/qla_devtbl.h b/drivers/scsi/qla2xxx/qla_devtbl.h
index d6ea69df7c5c..ffb9694be748 100644
--- a/drivers/scsi/qla2xxx/qla_devtbl.h
+++ b/drivers/scsi/qla2xxx/qla_devtbl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define QLA_MODEL_NAMES		0x5C
 
 /*
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 071035dfa99a..7550ba2831c3 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <target/target_core_base.h>
 #include <linux/btree.h>
 
diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h
index f6b1216af79f..a971db11d293 100644
--- a/drivers/scsi/qlogicfas408.h
+++ b/drivers/scsi/qlogicfas408.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* to be used by qlogicfas and qlogic_cs */
 #ifndef __QLOGICFAS408_H
 #define __QLOGICFAS408_H
diff --git a/drivers/scsi/qlogicpti.h b/drivers/scsi/qlogicpti.h
index 892a0b058b99..884ad72ade57 100644
--- a/drivers/scsi/qlogicpti.h
+++ b/drivers/scsi/qlogicpti.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines.
  *
  * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
diff --git a/drivers/scsi/scsi.h b/drivers/scsi/scsi.h
index d5a55fae60e0..6dcc4c685d1d 100644
--- a/drivers/scsi/scsi.h
+++ b/drivers/scsi/scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  scsi.h Copyright (C) 1992 Drew Eckhardt 
  *         Copyright (C) 1993, 1994, 1995, 1998, 1999 Eric Youngdale
diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c
index a75673bb82b3..40bc616cf8ab 100644
--- a/drivers/scsi/scsi_common.c
+++ b/drivers/scsi/scsi_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCSI functions used by both the initiator and the target code.
  */
diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c
index 5e9755008aed..01f08c03f2c1 100644
--- a/drivers/scsi/scsi_debugfs.c
+++ b/drivers/scsi/scsi_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/seq_file.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_dbg.h>
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 28fea83ae2fe..6bf43d94cdc0 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/blkdev.h>
 #include <linux/init.h>
diff --git a/drivers/scsi/scsi_lib_dma.c b/drivers/scsi/scsi_lib_dma.c
index 2ac3f3975f78..5723915275ad 100644
--- a/drivers/scsi/scsi_lib_dma.c
+++ b/drivers/scsi/scsi_lib_dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCSI library functions depending on DMA
  */
diff --git a/drivers/scsi/scsi_logging.h b/drivers/scsi/scsi_logging.h
index 7fe64a847143..6907c924df72 100644
--- a/drivers/scsi/scsi_logging.h
+++ b/drivers/scsi/scsi_logging.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_LOGGING_H
 #define _SCSI_LOGGING_H
 
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 5c6d016a5ae9..d7669caa9893 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_PRIV_H
 #define _SCSI_PRIV_H
 
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index 480a597b3877..7f0ceb65c3f3 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/drivers/scsi/scsi_proc.c
  *
diff --git a/drivers/scsi/scsi_sas_internal.h b/drivers/scsi/scsi_sas_internal.h
index e659912498bd..82fd548c5eee 100644
--- a/drivers/scsi/scsi_sas_internal.h
+++ b/drivers/scsi/scsi_sas_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SAS_INTERNAL_H
 #define _SCSI_SAS_INTERNAL_H
 
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 15590a063ad9..40124648a07b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * scsi_scan.c
  *
diff --git a/drivers/scsi/scsi_transport_api.h b/drivers/scsi/scsi_transport_api.h
index 934f0e62bb5c..f917766537c0 100644
--- a/drivers/scsi/scsi_transport_api.h
+++ b/drivers/scsi/scsi_transport_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_TRANSPORT_API_H
 #define _SCSI_TRANSPORT_API_H
 
diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c
index 31273468589c..e969138051c7 100644
--- a/drivers/scsi/scsicam.c
+++ b/drivers/scsi/scsicam.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * scsicam.c - SCSI CAM support functions, use for HDIO_GETGEO, etc.
  *
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 99c4dde9b6bf..320de758323e 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_DISK_H
 #define _SCSI_DISK_H
 
diff --git a/drivers/scsi/sense_codes.h b/drivers/scsi/sense_codes.h
index e4e1dccd1f2f..201a536688de 100644
--- a/drivers/scsi/sense_codes.h
+++ b/drivers/scsi/sense_codes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The canonical list of T10 Additional Sense Codes is available at:
  * http://www.t10.org/lists/asc-num.txt [most recent: 20141221]
diff --git a/drivers/scsi/snic/Makefile b/drivers/scsi/snic/Makefile
index ef7c0dd47f40..41546e3cb701 100644
--- a/drivers/scsi/snic/Makefile
+++ b/drivers/scsi/snic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_SNIC) += snic.o
 
 snic-y := \
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 1de33719ad8e..a2bb7b8bace5 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *      sr.h by David Giller
  *      CD-ROM disk driver header file
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 4610c8c5693f..2a21f2d48592 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
index 11a238cb2222..e3b0ce25162b 100644
--- a/drivers/scsi/sr_vendor.c
+++ b/drivers/scsi/sr_vendor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* -*-linux-c-*-
 
  * vendor-specific code for SCSI CD-ROM's goes here.
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 8c732c8de015..95d2e7a7988d 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _ST_H
 #define _ST_H
diff --git a/drivers/scsi/st_options.h b/drivers/scsi/st_options.h
index d2f947935554..2b6cabd7b6aa 100644
--- a/drivers/scsi/st_options.h
+++ b/drivers/scsi/st_options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
    The compile-time configurable defaults for the Linux SCSI tape driver.
 
diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile
index 6e77cb0bfee9..9310c6c83041 100644
--- a/drivers/scsi/ufs/Makefile
+++ b/drivers/scsi/ufs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # UFSHCD makefile
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PCI) += tc-dwc-g210-pci.o ufshcd-dwc.o tc-dwc-g210.o
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PLATFORM) += tc-dwc-g210-pltfrm.o ufshcd-dwc.o tc-dwc-g210.o
diff --git a/drivers/scsi/wd719x.h b/drivers/scsi/wd719x.h
index 9c6dd45f95f5..0455b1633ca7 100644
--- a/drivers/scsi/wd719x.h
+++ b/drivers/scsi/wd719x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _WD719X_H_
 #define _WD719X_H_
 
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 114203f32843..c53262835e85 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the SuperH specific drivers.
 #
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index 6ce7f0d26dcf..fa73c173b56a 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/sh_intc.h>
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 2fcaff864584..36dec140ea0d 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Kernel SOC specific device drivers.
 #
diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c
index 95d77ec5c5d7..5abb08ffb74d 100644
--- a/drivers/soc/dove/pmu.c
+++ b/drivers/soc/dove/pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Marvell Dove PMU support
  */
diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile
index 7ae199f1664e..363982b83ab5 100644
--- a/drivers/soc/fsl/qbman/Makefile
+++ b/drivers/soc/fsl/qbman/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FSL_DPAA)                          += bman_ccsr.o qman_ccsr.o \
 						   bman_portal.o qman_portal.o \
 						   bman.o qman.o
diff --git a/drivers/soc/fsl/qe/Makefile b/drivers/soc/fsl/qe/Makefile
index 2031d385bc7e..55a555304f3a 100644
--- a/drivers/soc/fsl/qe/Makefile
+++ b/drivers/soc/fsl/qe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ppc-specific parts of QE
 #
diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile
index f151de41eb93..fab44666b214 100644
--- a/drivers/soc/qcom/Makefile
+++ b/drivers/soc/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_QCOM_GLINK_SSR) +=	glink_ssr.o
 obj-$(CONFIG_QCOM_GSBI)	+=	qcom_gsbi.o
 obj-$(CONFIG_QCOM_MDT_LOADER)	+= mdt_loader.o
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 6b6e7f16104c..763c03d80436 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Generic, must be first because of soc_device_register()
 obj-$(CONFIG_SOC_RENESAS)	+= renesas-soc.o
 
diff --git a/drivers/soc/tegra/Makefile b/drivers/soc/tegra/Makefile
index 0e52b45721ac..482e108d28aa 100644
--- a/drivers/soc/tegra/Makefile
+++ b/drivers/soc/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += fuse/
 
 obj-y += common.o
diff --git a/drivers/soc/tegra/fuse/Makefile b/drivers/soc/tegra/fuse/Makefile
index 21bc27580178..ea8332cc3980 100644
--- a/drivers/soc/tegra/fuse/Makefile
+++ b/drivers/soc/tegra/fuse/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y					+= fuse-tegra.o
 obj-y					+= fuse-tegra30.o
 obj-y					+= tegra-apbmisc.o
diff --git a/drivers/soc/ti/Makefile b/drivers/soc/ti/Makefile
index 7d572736c86e..8e205287f120 100644
--- a/drivers/soc/ti/Makefile
+++ b/drivers/soc/ti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # TI Keystone SOC drivers
 #
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index a3ae2b70cdc3..8e0cda73b324 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for kernel SPI drivers.
 #
diff --git a/drivers/spi/spi-bcm53xx.h b/drivers/spi/spi-bcm53xx.h
index 73575dfe6916..03e3442086ec 100644
--- a/drivers/spi/spi-bcm53xx.h
+++ b/drivers/spi/spi-bcm53xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SPI_BCM53XX_H
 #define SPI_BCM53XX_H
 
diff --git a/drivers/spi/spi-bitbang-txrx.h b/drivers/spi/spi-bitbang-txrx.h
index 47bb9b898dfd..ae61d72c7d28 100644
--- a/drivers/spi/spi-bitbang-txrx.h
+++ b/drivers/spi/spi-bitbang-txrx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Mix this utility code with some glue code to get one of several types of
  * simple SPI master driver.  Two do polled word-at-a-time I/O:
diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h
index 1f91d61b745b..1f3ac463a20b 100644
--- a/drivers/spi/spi-cavium.h
+++ b/drivers/spi/spi-cavium.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPI_CAVIUM_H
 #define __SPI_CAVIUM_H
 
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index da5eab62df34..5c07cf8f19e0 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DW_SPI_HEADER_H
 #define DW_SPI_HEADER_H
 
diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile
index 64a09681cee0..142d33df040f 100644
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # core
 ssb-y					+= main.o scan.o
 ssb-$(CONFIG_SSB_EMBEDDED)		+= embedded.o
diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
index c2f5d3969c8b..ef9ac8efcab4 100644
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_PRIVATE_H_
 #define LINUX_SSB_PRIVATE_H_
 
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 8951c37d8d80..6e536020029a 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for staging directory
 
 obj-y				+= media/
diff --git a/drivers/staging/android/ion/Makefile b/drivers/staging/android/ion/Makefile
index eb7eeed6ae40..bb30bf8774a0 100644
--- a/drivers/staging/android/ion/Makefile
+++ b/drivers/staging/android/ion/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_ION) +=	ion.o ion-ioctl.o ion_heap.o
 obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_system_heap.o ion_page_pool.o
 obj-$(CONFIG_ION_CARVEOUT_HEAP) += ion_carveout_heap.o
diff --git a/drivers/staging/board/board.h b/drivers/staging/board/board.h
index 42ed12513220..5609daf4d869 100644
--- a/drivers/staging/board/board.h
+++ b/drivers/staging/board/board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
diff --git a/drivers/staging/board/kzm9d.c b/drivers/staging/board/kzm9d.c
index 05a6d434d307..d449a837414e 100644
--- a/drivers/staging/board/kzm9d.c
+++ b/drivers/staging/board/kzm9d.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Staging board support for KZM9D. Enable not-yet-DT-capable devices here. */
 
 #include <linux/kernel.h>
diff --git a/drivers/staging/comedi/Makefile b/drivers/staging/comedi/Makefile
index 7f9dfb3923ab..6af5da3b4315 100644
--- a/drivers/staging/comedi/Makefile
+++ b/drivers/staging/comedi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
 
 comedi-y				:= comedi_fops.o range.o drivers.o \
diff --git a/drivers/staging/comedi/comedi_internal.h b/drivers/staging/comedi/comedi_internal.h
index 6246f4a78ca6..515f293a5d26 100644
--- a/drivers/staging/comedi/comedi_internal.h
+++ b/drivers/staging/comedi/comedi_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _COMEDI_INTERNAL_H
 #define _COMEDI_INTERNAL_H
 
diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile
index 0c8cfa738727..736e7e55219d 100644
--- a/drivers/staging/comedi/drivers/Makefile
+++ b/drivers/staging/comedi/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for individual comedi drivers
 #
 ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
diff --git a/drivers/staging/comedi/drivers/addi_tcw.h b/drivers/staging/comedi/drivers/addi_tcw.h
index db6d5a4e8889..2b44d3a04484 100644
--- a/drivers/staging/comedi/drivers/addi_tcw.h
+++ b/drivers/staging/comedi/drivers/addi_tcw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ADDI_TCW_H
 #define _ADDI_TCW_H
 
diff --git a/drivers/staging/comedi/drivers/addi_watchdog.h b/drivers/staging/comedi/drivers/addi_watchdog.h
index b049cfba9813..7523084a0742 100644
--- a/drivers/staging/comedi/drivers/addi_watchdog.h
+++ b/drivers/staging/comedi/drivers/addi_watchdog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ADDI_WATCHDOG_H
 #define _ADDI_WATCHDOG_H
 
diff --git a/drivers/staging/comedi/drivers/amcc_s5933.h b/drivers/staging/comedi/drivers/amcc_s5933.h
index f03e4c8c2021..f738b91b2052 100644
--- a/drivers/staging/comedi/drivers/amcc_s5933.h
+++ b/drivers/staging/comedi/drivers/amcc_s5933.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Stuff for AMCC S5933 PCI Controller
  *
diff --git a/drivers/staging/comedi/drivers/jr3_pci.h b/drivers/staging/comedi/drivers/jr3_pci.h
index 28ff0c2aa3b8..acd4e5456ceb 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.h
+++ b/drivers/staging/comedi/drivers/jr3_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Helper types to take care of the fact that the DSP card memory
  * is 16 bits, but aligned on a 32 bit PCI boundary
diff --git a/drivers/staging/comedi/drivers/ni_labpc_isadma.h b/drivers/staging/comedi/drivers/ni_labpc_isadma.h
index e93f79050e60..f06f9353cb6c 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_isadma.h
+++ b/drivers/staging/comedi/drivers/ni_labpc_isadma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ni_labpc ISA DMA support.
  */
diff --git a/drivers/staging/comedi/drivers/ni_labpc_regs.h b/drivers/staging/comedi/drivers/ni_labpc_regs.h
index 6003e9d5fe37..ace40065a25b 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_regs.h
+++ b/drivers/staging/comedi/drivers/ni_labpc_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ni_labpc register definitions.
  */
diff --git a/drivers/staging/comedi/drivers/z8536.h b/drivers/staging/comedi/drivers/z8536.h
index 47eadbf4dcc0..3ef5f9e79b89 100644
--- a/drivers/staging/comedi/drivers/z8536.h
+++ b/drivers/staging/comedi/drivers/z8536.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Z8536 CIO Internal registers
  */
diff --git a/drivers/staging/dgnc/dgnc_utils.c b/drivers/staging/dgnc/dgnc_utils.c
index e07ff8d2f972..620f5741a1ed 100644
--- a/drivers/staging/dgnc/dgnc_utils.c
+++ b/drivers/staging/dgnc/dgnc_utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/tty.h>
 #include <linux/sched/signal.h>
 #include "dgnc_utils.h"
diff --git a/drivers/staging/dgnc/dgnc_utils.h b/drivers/staging/dgnc/dgnc_utils.h
index d1f07a5735c6..b30527f0889d 100644
--- a/drivers/staging/dgnc/dgnc_utils.h
+++ b/drivers/staging/dgnc/dgnc_utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DGNC_UTILS_H
 #define _DGNC_UTILS_H
 
diff --git a/drivers/staging/fbtft/Makefile b/drivers/staging/fbtft/Makefile
index 05ae9fbf906e..6bc03311c9c7 100644
--- a/drivers/staging/fbtft/Makefile
+++ b/drivers/staging/fbtft/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Core module
 obj-$(CONFIG_FB_TFT)             += fbtft.o
 fbtft-y                          += fbtft-core.o fbtft-sysfs.o fbtft-bus.o fbtft-io.o
diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c
index a80b5d115ff8..2a8eef15c439 100644
--- a/drivers/staging/fbtft/fbtft-bus.c
+++ b/drivers/staging/fbtft/fbtft-bus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/errno.h>
 #include <linux/gpio.h>
diff --git a/drivers/staging/fbtft/fbtft-io.c b/drivers/staging/fbtft/fbtft-io.c
index ffb9a3b4d454..f4a591919f62 100644
--- a/drivers/staging/fbtft/fbtft-io.c
+++ b/drivers/staging/fbtft/fbtft-io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/errno.h>
 #include <linux/gpio.h>
diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 5bfd67b526b5..712096659aa0 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "fbtft.h"
 #include "internal.h"
 
diff --git a/drivers/staging/fwserial/fwserial.h b/drivers/staging/fwserial/fwserial.h
index 30b2481fe32b..1d15f183e0fa 100644
--- a/drivers/staging/fwserial/fwserial.h
+++ b/drivers/staging/fwserial/fwserial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FIREWIRE_FWSERIAL_H
 #define _FIREWIRE_FWSERIAL_H
 
diff --git a/drivers/staging/gdm724x/Makefile b/drivers/staging/gdm724x/Makefile
index ba7f11a6a097..e61b95788c9f 100644
--- a/drivers/staging/gdm724x/Makefile
+++ b/drivers/staging/gdm724x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_LTE_GDM724X) := gdmulte.o
 gdmulte-y += gdm_lte.o netlink_k.o
 gdmulte-y += gdm_usb.o gdm_endian.o
diff --git a/drivers/staging/greybus/Makefile b/drivers/staging/greybus/Makefile
index 23e1cb7bff8e..2551ed16b742 100644
--- a/drivers/staging/greybus/Makefile
+++ b/drivers/staging/greybus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Greybus core
 greybus-y :=	core.o		\
 		debugfs.o	\
diff --git a/drivers/staging/greybus/greybus_id.h b/drivers/staging/greybus/greybus_id.h
index 4bb1fc1b811d..f4c8440093e4 100644
--- a/drivers/staging/greybus/greybus_id.h
+++ b/drivers/staging/greybus/greybus_id.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* FIXME
  * move this to include/linux/mod_devicetable.h when merging
  */
diff --git a/drivers/staging/greybus/tools/Makefile b/drivers/staging/greybus/tools/Makefile
index 852b12b71149..ad0ae8053b79 100644
--- a/drivers/staging/greybus/tools/Makefile
+++ b/drivers/staging/greybus/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq ($(strip $(V)), 1)
   Q =
 else
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index 0cfd05d5bf49..455bffc29649 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the industrial I/O core.
 #
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index bf18bdd7c99d..ebe83c1ad362 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for industrial I/O ADC drivers
 #
diff --git a/drivers/staging/iio/meter/Makefile b/drivers/staging/iio/meter/Makefile
index de3863d6b078..19e7982f5563 100644
--- a/drivers/staging/iio/meter/Makefile
+++ b/drivers/staging/iio/meter/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for metering ic drivers
 #
diff --git a/drivers/staging/iio/meter/ade7854.h b/drivers/staging/iio/meter/ade7854.h
index dbd97def9cd8..c27247a7891a 100644
--- a/drivers/staging/iio/meter/ade7854.h
+++ b/drivers/staging/iio/meter/ade7854.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ADE7854_H
 #define _ADE7854_H
 
diff --git a/drivers/staging/iio/meter/meter.h b/drivers/staging/iio/meter/meter.h
index 0e37f23853f1..edf26302fa57 100644
--- a/drivers/staging/iio/meter/meter.h
+++ b/drivers/staging/iio/meter/meter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _METER_H
 #define _METER_H
 
diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.h b/drivers/staging/iio/trigger/iio-trig-bfin-timer.h
index c07321f8d94c..fb05a2a8397c 100644
--- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.h
+++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IIO_BFIN_TIMER_TRIGGER_H__
 #define __IIO_BFIN_TIMER_TRIGGER_H__
 
diff --git a/drivers/staging/ks7010/eap_packet.h b/drivers/staging/ks7010/eap_packet.h
index ae03f7477324..dca2a142e834 100644
--- a/drivers/staging/ks7010/eap_packet.h
+++ b/drivers/staging/ks7010/eap_packet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef EAP_PACKET_H
 #define EAP_PACKET_H
 
diff --git a/drivers/staging/lustre/lnet/libcfs/Makefile b/drivers/staging/lustre/lnet/libcfs/Makefile
index 215fa23827d1..1607570ef8de 100644
--- a/drivers/staging/lustre/lnet/libcfs/Makefile
+++ b/drivers/staging/lustre/lnet/libcfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/lustre/lnet/lnet/Makefile b/drivers/staging/lustre/lnet/lnet/Makefile
index fd8585cd0ce2..0a9d70924fe0 100644
--- a/drivers/staging/lustre/lnet/lnet/Makefile
+++ b/drivers/staging/lustre/lnet/lnet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/lustre/lustre/llite/Makefile b/drivers/staging/lustre/lustre/llite/Makefile
index ef7adef4ccc5..519fd747e3ad 100644
--- a/drivers/staging/lustre/lustre/llite/Makefile
+++ b/drivers/staging/lustre/lustre/llite/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/lustre/lustre/llite/xattr_cache.c b/drivers/staging/lustre/lustre/llite/xattr_cache.c
index 80ee3920481a..f9cf79761d51 100644
--- a/drivers/staging/lustre/lustre/llite/xattr_cache.c
+++ b/drivers/staging/lustre/lustre/llite/xattr_cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2012 Xyratex Technology Limited
  *
diff --git a/drivers/staging/lustre/lustre/lov/Makefile b/drivers/staging/lustre/lustre/lov/Makefile
index 3abfb4eab3d3..1ebf0193f61a 100644
--- a/drivers/staging/lustre/lustre/lov/Makefile
+++ b/drivers/staging/lustre/lustre/lov/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/lustre/lustre/obdclass/Makefile b/drivers/staging/lustre/lustre/obdclass/Makefile
index fa0ad6548ecd..e3fa9acff4c4 100644
--- a/drivers/staging/lustre/lustre/obdclass/Makefile
+++ b/drivers/staging/lustre/lustre/obdclass/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/lustre/lustre/ptlrpc/Makefile b/drivers/staging/lustre/lustre/ptlrpc/Makefile
index a518001cdfe8..1deb1971b39e 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/Makefile
+++ b/drivers/staging/lustre/lustre/ptlrpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include
 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include
 
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index ac090c5fce30..be732cf932fd 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_I2C_BCM2048)	+= bcm2048/
 obj-$(CONFIG_DVB_CXD2099)	+= cxd2099/
 obj-$(CONFIG_VIDEO_IMX_MEDIA)	+= imx/
diff --git a/drivers/staging/media/atomisp/i2c/Makefile b/drivers/staging/media/atomisp/i2c/Makefile
index be13fab92175..041a041718d2 100644
--- a/drivers/staging/media/atomisp/i2c/Makefile
+++ b/drivers/staging/media/atomisp/i2c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for sensor drivers
 #
diff --git a/drivers/staging/media/atomisp/i2c/imx/Makefile b/drivers/staging/media/atomisp/i2c/imx/Makefile
index b6578f09546e..c1a85e6e27a9 100644
--- a/drivers/staging/media/atomisp/i2c/imx/Makefile
+++ b/drivers/staging/media/atomisp/i2c/imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIDEO_IMX) += imx1x5.o
 
 imx1x5-objs := imx.o drv201.o ad5816g.o dw9714.o dw9719.o dw9718.o vcm.o otp.o otp_imx.o otp_brcc064_e2prom.o otp_e2prom.o
diff --git a/drivers/staging/media/atomisp/i2c/imx/ad5816g.c b/drivers/staging/media/atomisp/i2c/imx/ad5816g.c
index 558dcdf135d9..fb74f14cbe5a 100644
--- a/drivers/staging/media/atomisp/i2c/imx/ad5816g.c
+++ b/drivers/staging/media/atomisp/i2c/imx/ad5816g.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/delay.h>
diff --git a/drivers/staging/media/atomisp/i2c/imx/ad5816g.h b/drivers/staging/media/atomisp/i2c/imx/ad5816g.h
index f995c2eeada4..e1396b00a0e1 100644
--- a/drivers/staging/media/atomisp/i2c/imx/ad5816g.h
+++ b/drivers/staging/media/atomisp/i2c/imx/ad5816g.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AD5816G_H__
 #define __AD5816G_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/imx/common.h b/drivers/staging/media/atomisp/i2c/imx/common.h
index 7e525cef56ef..af2e3160df95 100644
--- a/drivers/staging/media/atomisp/i2c/imx/common.h
+++ b/drivers/staging/media/atomisp/i2c/imx/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __COMMON_H__
 #define __COMMON_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/imx/drv201.c b/drivers/staging/media/atomisp/i2c/imx/drv201.c
index 6d9d4c968722..221e4875ac49 100644
--- a/drivers/staging/media/atomisp/i2c/imx/drv201.c
+++ b/drivers/staging/media/atomisp/i2c/imx/drv201.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/delay.h>
diff --git a/drivers/staging/media/atomisp/i2c/imx/drv201.h b/drivers/staging/media/atomisp/i2c/imx/drv201.h
index 8fc0ad116630..2ef8aafdf675 100644
--- a/drivers/staging/media/atomisp/i2c/imx/drv201.h
+++ b/drivers/staging/media/atomisp/i2c/imx/drv201.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRV201_H__
 #define __DRV201_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9714.c b/drivers/staging/media/atomisp/i2c/imx/dw9714.c
index 6397a7ee0af6..f96855454313 100644
--- a/drivers/staging/media/atomisp/i2c/imx/dw9714.c
+++ b/drivers/staging/media/atomisp/i2c/imx/dw9714.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/delay.h>
diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9714.h b/drivers/staging/media/atomisp/i2c/imx/dw9714.h
index 5a98a9c97182..aee560026b56 100644
--- a/drivers/staging/media/atomisp/i2c/imx/dw9714.h
+++ b/drivers/staging/media/atomisp/i2c/imx/dw9714.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DW9714_H__
 #define __DW9714_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx134.h b/drivers/staging/media/atomisp/i2c/imx/imx134.h
index cf35197ed77f..9026e8ba5679 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx134.h
+++ b/drivers/staging/media/atomisp/i2c/imx/imx134.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IMX134_H__
 #define __IMX134_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx175.h b/drivers/staging/media/atomisp/i2c/imx/imx175.h
index 5f409ccedc85..5e082088cb37 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx175.h
+++ b/drivers/staging/media/atomisp/i2c/imx/imx175.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IMX175_H__
 #define __IMX175_H__
 #include "common.h"
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx219.h b/drivers/staging/media/atomisp/i2c/imx/imx219.h
index 52df582c56d8..bbd515bf7279 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx219.h
+++ b/drivers/staging/media/atomisp/i2c/imx/imx219.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IMX219_H__
 #define __IMX219_H__
 #include "common.h"
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx227.h b/drivers/staging/media/atomisp/i2c/imx/imx227.h
index 10e5b86f6687..795fe017d01b 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx227.h
+++ b/drivers/staging/media/atomisp/i2c/imx/imx227.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IMX227_H__
 #define __IMX227_H__
 
diff --git a/drivers/staging/media/atomisp/i2c/ov5693/Makefile b/drivers/staging/media/atomisp/i2c/ov5693/Makefile
index 4e3833aaec05..facb70e6a93e 100644
--- a/drivers/staging/media/atomisp/i2c/ov5693/Makefile
+++ b/drivers/staging/media/atomisp/i2c/ov5693/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIDEO_OV5693) += ov5693.o
 
 # HACK! While this driver is in bad shape, don't enable several warnings
diff --git a/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h b/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h
index c5e22bba455a..dc7104470f5c 100644
--- a/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h
+++ b/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Access to message bus through three registers
  * in CUNIT(0:0:0) PCI configuration space.
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile
index 2bd98f0667ec..ac3805345f20 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile
+++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 atomisp-objs += \
 	atomisp_drvfs.o \
 	atomisp_file.o \
diff --git a/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c b/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c
index cd452cc20fea..4631b1d39bb4 100644
--- a/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c
+++ b/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/pci.h>
 #include <linux/pm_qos.h>
diff --git a/drivers/staging/media/imx/Makefile b/drivers/staging/media/imx/Makefile
index 3569625b6305..698a4210316e 100644
--- a/drivers/staging/media/imx/Makefile
+++ b/drivers/staging/media/imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 imx-media-objs := imx-media-dev.o imx-media-internal-sd.o imx-media-of.o
 imx-media-common-objs := imx-media-utils.o imx-media-fim.o
 imx-media-ic-objs := imx-ic-common.o imx-ic-prp.o imx-ic-prpencvf.o
diff --git a/drivers/staging/most/Makefile b/drivers/staging/most/Makefile
index 9ee981c7786b..f5bbb9deaab5 100644
--- a/drivers/staging/most/Makefile
+++ b/drivers/staging/most/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MOSTCORE)	+= mostcore/
 obj-$(CONFIG_AIM_CDEV)	+= aim-cdev/
 obj-$(CONFIG_AIM_NETWORK)	+= aim-network/
diff --git a/drivers/staging/nvec/Makefile b/drivers/staging/nvec/Makefile
index 0db0e1f43337..f0cff8f9fdf6 100644
--- a/drivers/staging/nvec/Makefile
+++ b/drivers/staging/nvec/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SERIO_NVEC_PS2)	+= nvec_ps2.o
 obj-$(CONFIG_MFD_NVEC)		+= nvec.o
 obj-$(CONFIG_NVEC_POWER) 	+= nvec_power.o
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h
index 215e7ec4dea2..8fbde5d3b4a6 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.h
+++ b/drivers/staging/olpc_dcon/olpc_dcon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef OLPC_DCON_H_
 #define OLPC_DCON_H_
 
diff --git a/drivers/staging/rtl8188eu/Makefile b/drivers/staging/rtl8188eu/Makefile
index 27af86e05098..033fb2e6950d 100644
--- a/drivers/staging/rtl8188eu/Makefile
+++ b/drivers/staging/rtl8188eu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 r8188eu-y :=				\
 		core/rtw_ap.o		\
 		core/rtw_cmd.o		\
diff --git a/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c b/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c
index 81bf4944ef44..bbb981c6bcec 100644
--- a/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c
+++ b/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*++
 Copyright (c) Realtek Semiconductor Corp. All rights reserved.
 
diff --git a/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h b/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h
index 21996a1173ef..6722010ba1ec 100644
--- a/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h
+++ b/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INC_RA_H
 #define __INC_RA_H
 /*++
diff --git a/drivers/staging/rtl8188eu/include/phy.h b/drivers/staging/rtl8188eu/include/phy.h
index cd387e998574..e99ac3910787 100644
--- a/drivers/staging/rtl8188eu/include/phy.h
+++ b/drivers/staging/rtl8188eu/include/phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <odm.h>
 
 #define IQK_DELAY_TIME_88E	    10
diff --git a/drivers/staging/rtl8188eu/include/rf.h b/drivers/staging/rtl8188eu/include/rf.h
index 98a5551f5ae7..ed3241c020ad 100644
--- a/drivers/staging/rtl8188eu/include/rf.h
+++ b/drivers/staging/rtl8188eu/include/rf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define RF6052_MAX_TX_PWR	0x3F
 #define RF6052_MAX_REG		0x3F
 
diff --git a/drivers/staging/rtl8192e/Makefile b/drivers/staging/rtl8192e/Makefile
index 7101fcc8871b..6af519938868 100644
--- a/drivers/staging/rtl8192e/Makefile
+++ b/drivers/staging/rtl8192e/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 rtllib-objs :=			\
 	dot11d.o		\
 	rtllib_module.o		\
diff --git a/drivers/staging/rtl8192e/rtl8192e/Makefile b/drivers/staging/rtl8192e/rtl8192e/Makefile
index 176a4a2b8b20..75e6ec510555 100644
--- a/drivers/staging/rtl8192e/rtl8192e/Makefile
+++ b/drivers/staging/rtl8192e/rtl8192e/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 r8192e_pci-objs :=		\
 	r8192E_dev.o		\
 	r8192E_phy.o		\
diff --git a/drivers/staging/rtl8192u/Makefile b/drivers/staging/rtl8192u/Makefile
index 703c1505ea5f..3022728a364c 100644
--- a/drivers/staging/rtl8192u/Makefile
+++ b/drivers/staging/rtl8192u/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 NIC_SELECT = RTL8192U
 
 ccflags-y := -std=gnu89
diff --git a/drivers/staging/rtl8192u/ieee80211/Makefile b/drivers/staging/rtl8192u/ieee80211/Makefile
index 9e3f432e5355..0d4d6489f767 100644
--- a/drivers/staging/rtl8192u/ieee80211/Makefile
+++ b/drivers/staging/rtl8192u/ieee80211/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 NIC_SELECT = RTL8192U
 
 ccflags-y := -O2
diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.c b/drivers/staging/rtl8192u/ieee80211/dot11d.c
index 00b6052fbbac..64b13a5da3cb 100644
--- a/drivers/staging/rtl8192u/ieee80211/dot11d.c
+++ b/drivers/staging/rtl8192u/ieee80211/dot11d.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Implement 802.11d. */
 
 #include "dot11d.h"
diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.h b/drivers/staging/rtl8192u/ieee80211/dot11d.h
index 8ae673b217d8..88bc298305bd 100644
--- a/drivers/staging/rtl8192u/ieee80211/dot11d.h
+++ b/drivers/staging/rtl8192u/ieee80211/dot11d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INC_DOT11D_H
 #define __INC_DOT11D_H
 
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h
index 7abedc27d7c1..b6a76aae4832 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BATYPE_H_
 #define _BATYPE_H_
 
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
index 8aa38dcf0dfd..4b92bb51c3e6 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /********************************************************************************************************************************
  * This file is created to process BA Action Frame. According to 802.11 spec, there are 3 BA action types at all. And as BA is
  * related to TS, this part need some structure defined in QOS side code. Also TX RX is going to be resturctured, so how to send
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h
index 5f54d93dfb66..a85036022aa8 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RTL819XU_HTTYPE_H_
 #define _RTL819XU_HTTYPE_H_
 
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
index 9248dbcf3370..bf7b7122d042 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 //As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
 #include "ieee80211.h"
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
index 49c23c720f78..71df9d9e2e99 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INC_QOS_TYPE_H
 #define __INC_QOS_TYPE_H
 
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h
index e25b69777ee7..3a0ff08c687a 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TSTYPE_H_
 #define _TSTYPE_H_
 #include "rtl819x_Qos.h"
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
index f98bb03aa293..f4921abf7300 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "ieee80211.h"
 #include <linux/etherdevice.h>
 #include <linux/slab.h>
diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index e6f8d1da65d9..4c241a07ae75 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*++
 Copyright-c Realtek Semiconductor Corp. All rights reserved.
 
diff --git a/drivers/staging/rtl8192u/r8192U_dm.h b/drivers/staging/rtl8192u/r8192U_dm.h
index 2d0232fb3f9b..98137f65d1b2 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.h
+++ b/drivers/staging/rtl8192u/r8192U_dm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*****************************************************************************
  *	Copyright(c) 2007,  RealTEK Technology Inc. All Right Reserved.
  *
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
index ae9a4f1ac8fd..80672100ea26 100644
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /******************************************************************************
  *
  *  (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved.
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.h b/drivers/staging/rtl8192u/r819xU_cmdpkt.h
index ad0f6003570d..85fb49ca7bc8 100644
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.h
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef R819XUSB_CMDPKT_H
 #define R819XUSB_CMDPKT_H
 /* Different command packet have dedicated message length and definition. */
diff --git a/drivers/staging/rtl8192u/r819xU_firmware.c b/drivers/staging/rtl8192u/r819xU_firmware.c
index 35d1786703a7..9c7e19aedff1 100644
--- a/drivers/staging/rtl8192u/r819xU_firmware.c
+++ b/drivers/staging/rtl8192u/r819xU_firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**************************************************************************************************
  * Procedure:    Init boot code/firmware code/data session
  *
diff --git a/drivers/staging/rtl8192u/r819xU_firmware.h b/drivers/staging/rtl8192u/r819xU_firmware.h
index 24b63f2ec509..cccd1c82ffe0 100644
--- a/drivers/staging/rtl8192u/r819xU_firmware.h
+++ b/drivers/staging/rtl8192u/r819xU_firmware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INC_FIRMWARE_H
 #define __INC_FIRMWARE_H
 
diff --git a/drivers/staging/rtl8192u/r819xU_firmware_img.c b/drivers/staging/rtl8192u/r819xU_firmware_img.c
index 4eb43cfe5690..0af062036688 100644
--- a/drivers/staging/rtl8192u/r819xU_firmware_img.c
+++ b/drivers/staging/rtl8192u/r819xU_firmware_img.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*Created on  2008/ 7/16,  5:31*/
 #include <linux/types.h>
 #include "r819xU_firmware_img.h"
diff --git a/drivers/staging/rtl8192u/r819xU_firmware_img.h b/drivers/staging/rtl8192u/r819xU_firmware_img.h
index 18d0a6b5cbae..355da9157be1 100644
--- a/drivers/staging/rtl8192u/r819xU_firmware_img.h
+++ b/drivers/staging/rtl8192u/r819xU_firmware_img.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IMG_H
 #define IMG_H
 
diff --git a/drivers/staging/rtl8192u/r819xU_phy.c b/drivers/staging/rtl8192u/r819xU_phy.c
index 3874f8307117..12750671c860 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.c
+++ b/drivers/staging/rtl8192u/r819xU_phy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "r8192U.h"
 #include "r8192U_hw.h"
 #include "r819xU_phy.h"
diff --git a/drivers/staging/rtl8192u/r819xU_phy.h b/drivers/staging/rtl8192u/r819xU_phy.h
index e672126330f3..0a42a6092ea9 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.h
+++ b/drivers/staging/rtl8192u/r819xU_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _R819XU_PHY_H
 #define _R819XU_PHY_H
 
diff --git a/drivers/staging/rtl8192u/r819xU_phyreg.h b/drivers/staging/rtl8192u/r819xU_phyreg.h
index b855627e9816..c058a9537526 100644
--- a/drivers/staging/rtl8192u/r819xU_phyreg.h
+++ b/drivers/staging/rtl8192u/r819xU_phyreg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _R819XU_PHYREG_H
 #define _R819XU_PHYREG_H
 
diff --git a/drivers/staging/rtl8712/Makefile b/drivers/staging/rtl8712/Makefile
index 6f8500c2d922..3ae216b6621b 100644
--- a/drivers/staging/rtl8712/Makefile
+++ b/drivers/staging/rtl8712/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 r8712u-y :=				\
 		rtl871x_cmd.o		\
 		rtl8712_cmd.o		\
diff --git a/drivers/staging/rtl8712/rtl8712_efuse.h b/drivers/staging/rtl8712/rtl8712_efuse.h
index 6a64f91ad75f..dbba51cd40fb 100644
--- a/drivers/staging/rtl8712/rtl8712_efuse.h
+++ b/drivers/staging/rtl8712/rtl8712_efuse.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RTL8712_EFUSE_H__
 #define __RTL8712_EFUSE_H__
 
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl.h b/drivers/staging/rtl8712/rtl871x_ioctl.h
index 08bcb3b41bbd..634e67461712 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl.h
+++ b/drivers/staging/rtl8712/rtl871x_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IOCTL_H
 #define __IOCTL_H
 
diff --git a/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h b/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h
index 11bcfb7bf77c..d479f739ff08 100644
--- a/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h
+++ b/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*****************************************************************************
  *	Copyright(c) 2008,  RealTEK Technology Inc. All Right Reserved.
  *
diff --git a/drivers/staging/rtl8712/rtl871x_recv.h b/drivers/staging/rtl8712/rtl871x_recv.h
index 9de06c5fe620..f87b2ff5de1c 100644
--- a/drivers/staging/rtl8712/rtl871x_recv.h
+++ b/drivers/staging/rtl8712/rtl871x_recv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RTL871X_RECV_H_
 #define _RTL871X_RECV_H_
 
diff --git a/drivers/staging/rtl8723bs/Makefile b/drivers/staging/rtl8723bs/Makefile
index 4e7b460a9c73..f236acfd3afa 100644
--- a/drivers/staging/rtl8723bs/Makefile
+++ b/drivers/staging/rtl8723bs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 r8723bs-y = \
 		core/rtw_ap.o \
 		core/rtw_btcoex.o \
diff --git a/drivers/staging/rtl8723bs/hal/Hal8723BReg.h b/drivers/staging/rtl8723bs/hal/Hal8723BReg.h
index 152a198c8f17..ce02457922b7 100644
--- a/drivers/staging/rtl8723bs/hal/Hal8723BReg.h
+++ b/drivers/staging/rtl8723bs/hal/Hal8723BReg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*****************************************************************************
  *Copyright(c) 2009,  RealTEK Technology Inc. All Right Reserved.
  *
diff --git a/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h b/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h
index 796449c3f430..130a94879805 100644
--- a/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h
+++ b/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef REALTEK_POWER_SEQUENCE_8723B
 #define REALTEK_POWER_SEQUENCE_8723B
 
diff --git a/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h b/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h
index d97ca1630bd4..ab5a8627d371 100644
--- a/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h
+++ b/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  *
  * Copyright(c) 2009-2010  Realtek Corporation.
diff --git a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
index 305e88a6b2ca..aa2f62acc994 100644
--- a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
+++ b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /******************************************************************************
  *
  * Copyright(c) 2009-2010  Realtek Corporation.
diff --git a/drivers/staging/rts5208/trace.c b/drivers/staging/rts5208/trace.c
index 1bddbdf3454b..c878e75293f7 100644
--- a/drivers/staging/rts5208/trace.c
+++ b/drivers/staging/rts5208/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/string.h>
 
diff --git a/drivers/staging/skein/Makefile b/drivers/staging/skein/Makefile
index b7f947fb98f0..86b7966d694e 100644
--- a/drivers/staging/skein/Makefile
+++ b/drivers/staging/skein/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the skein secure hash algorithm
 #
diff --git a/drivers/staging/skein/skein_iv.h b/drivers/staging/skein/skein_iv.h
index 509d464c65a3..916f029da726 100644
--- a/drivers/staging/skein/skein_iv.h
+++ b/drivers/staging/skein/skein_iv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SKEIN_IV_H_
 #define _SKEIN_IV_H_
 
diff --git a/drivers/staging/skein/threefish_api.c b/drivers/staging/skein/threefish_api.c
index 2b649abb78c7..e69cefa6b16a 100644
--- a/drivers/staging/skein/threefish_api.c
+++ b/drivers/staging/skein/threefish_api.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include "threefish_api.h"
 
diff --git a/drivers/staging/skein/threefish_api.h b/drivers/staging/skein/threefish_api.h
index 615e467579ee..21539c3cc7a0 100644
--- a/drivers/staging/skein/threefish_api.h
+++ b/drivers/staging/skein/threefish_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef THREEFISHAPI_H
 #define THREEFISHAPI_H
diff --git a/drivers/staging/skein/threefish_block.c b/drivers/staging/skein/threefish_block.c
index 50640656c10d..87f055890544 100644
--- a/drivers/staging/skein/threefish_block.c
+++ b/drivers/staging/skein/threefish_block.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include "threefish_api.h"
 
diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
index 4754f7a20684..313b99104398 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/sizes.h>
 
diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750fb/ddk750_chip.h
index 2c7a9b9a7c8a..09c223f815de 100644
--- a/drivers/staging/sm750fb/ddk750_chip.h
+++ b/drivers/staging/sm750fb/ddk750_chip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_CHIP_H__
 #define DDK750_CHIP_H__
 #define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */
diff --git a/drivers/staging/sm750fb/ddk750_display.c b/drivers/staging/sm750fb/ddk750_display.c
index 9b116ed6ecc7..c6fd90191530 100644
--- a/drivers/staging/sm750fb/ddk750_display.c
+++ b/drivers/staging/sm750fb/ddk750_display.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "ddk750_reg.h"
 #include "ddk750_chip.h"
 #include "ddk750_display.h"
diff --git a/drivers/staging/sm750fb/ddk750_display.h b/drivers/staging/sm750fb/ddk750_display.h
index 609bf742efff..523bbf33521c 100644
--- a/drivers/staging/sm750fb/ddk750_display.h
+++ b/drivers/staging/sm750fb/ddk750_display.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_DISPLAY_H__
 #define DDK750_DISPLAY_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_dvi.c b/drivers/staging/sm750fb/ddk750_dvi.c
index 87a199d6cdaf..f41bd9181757 100644
--- a/drivers/staging/sm750fb/ddk750_dvi.c
+++ b/drivers/staging/sm750fb/ddk750_dvi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define USE_DVICHIP
 #ifdef USE_DVICHIP
 #include "ddk750_chip.h"
diff --git a/drivers/staging/sm750fb/ddk750_dvi.h b/drivers/staging/sm750fb/ddk750_dvi.h
index 4a8394561f76..9529cb9cfd69 100644
--- a/drivers/staging/sm750fb/ddk750_dvi.h
+++ b/drivers/staging/sm750fb/ddk750_dvi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_DVI_H__
 #define DDK750_DVI_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.c b/drivers/staging/sm750fb/ddk750_hwi2c.c
index ec556a978a98..8482689b665b 100644
--- a/drivers/staging/sm750fb/ddk750_hwi2c.c
+++ b/drivers/staging/sm750fb/ddk750_hwi2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define USE_HW_I2C
 #ifdef USE_HW_I2C
 #include "ddk750_chip.h"
diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.h b/drivers/staging/sm750fb/ddk750_hwi2c.h
index 46e22dce2570..337c6493ca61 100644
--- a/drivers/staging/sm750fb/ddk750_hwi2c.h
+++ b/drivers/staging/sm750fb/ddk750_hwi2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_HWI2C_H__
 #define DDK750_HWI2C_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index bb673e18999b..2cdd87b78e58 100644
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include "ddk750_reg.h"
 #include "ddk750_mode.h"
diff --git a/drivers/staging/sm750fb/ddk750_mode.h b/drivers/staging/sm750fb/ddk750_mode.h
index d5eae36d85cb..259a9d6a4eb2 100644
--- a/drivers/staging/sm750fb/ddk750_mode.h
+++ b/drivers/staging/sm750fb/ddk750_mode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_MODE_H__
 #define DDK750_MODE_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 222ae1a06feb..73aeaeb89a64 100644
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "ddk750_chip.h"
 #include "ddk750_reg.h"
 #include "ddk750_power.h"
diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h
index 44c4fc587e96..651d05247edf 100644
--- a/drivers/staging/sm750fb/ddk750_power.h
+++ b/drivers/staging/sm750fb/ddk750_power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_POWER_H__
 #define DDK750_POWER_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h
index f9b989b7a152..fe412ead72e5 100644
--- a/drivers/staging/sm750fb/ddk750_reg.h
+++ b/drivers/staging/sm750fb/ddk750_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_REG_H__
 #define DDK750_REG_H__
 
diff --git a/drivers/staging/sm750fb/ddk750_sii164.c b/drivers/staging/sm750fb/ddk750_sii164.c
index 0431833de781..1eeaf087e891 100644
--- a/drivers/staging/sm750fb/ddk750_sii164.c
+++ b/drivers/staging/sm750fb/ddk750_sii164.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define USE_DVICHIP
 #ifdef USE_DVICHIP
 
diff --git a/drivers/staging/sm750fb/ddk750_sii164.h b/drivers/staging/sm750fb/ddk750_sii164.h
index 6968cf532f16..af52a3121067 100644
--- a/drivers/staging/sm750fb/ddk750_sii164.h
+++ b/drivers/staging/sm750fb/ddk750_sii164.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DDK750_SII164_H__
 #define DDK750_SII164_H__
 
diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h
index 4386122799b2..ce90adcb449d 100644
--- a/drivers/staging/sm750fb/sm750.h
+++ b/drivers/staging/sm750fb/sm750.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LYNXDRV_H_
 #define LYNXDRV_H_
 
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index 4b720cfa05de..1035e91e7cd3 100644
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/staging/sm750fb/sm750_accel.h b/drivers/staging/sm750fb/sm750_accel.h
index 4b0ff8feb9a0..c4f42002a50f 100644
--- a/drivers/staging/sm750fb/sm750_accel.h
+++ b/drivers/staging/sm750fb/sm750_accel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ACCEL_H__
 #define ACCEL_H__
 
diff --git a/drivers/staging/sm750fb/sm750_cursor.c b/drivers/staging/sm750fb/sm750_cursor.c
index aa47a16ac75c..9d24159226d1 100644
--- a/drivers/staging/sm750fb/sm750_cursor.c
+++ b/drivers/staging/sm750fb/sm750_cursor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/staging/sm750fb/sm750_cursor.h b/drivers/staging/sm750fb/sm750_cursor.h
index c7b86ae235b4..16ac07eb58d6 100644
--- a/drivers/staging/sm750fb/sm750_cursor.h
+++ b/drivers/staging/sm750fb/sm750_cursor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LYNX_CURSOR_H__
 #define LYNX_CURSOR_H__
 
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index baf1bbdc92ff..ffd114a6d09b 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/staging/speakup/Makefile b/drivers/staging/speakup/Makefile
index c864ea69c40d..5befb4933b85 100644
--- a/drivers/staging/speakup/Makefile
+++ b/drivers/staging/speakup/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SPEAKUP_SYNTH_ACNTSA) += speakup_acntsa.o
 obj-$(CONFIG_SPEAKUP_SYNTH_ACNTPC) += speakup_acntpc.o
 obj-$(CONFIG_SPEAKUP_SYNTH_APOLLO) += speakup_apollo.o
diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c
index 58abd1d85105..d920256328c3 100644
--- a/drivers/staging/speakup/devsynth.c
+++ b/drivers/staging/speakup/devsynth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/miscdevice.h>	/* for misc_register, and SYNTH_MINOR */
 #include <linux/types.h>
diff --git a/drivers/staging/speakup/i18n.c b/drivers/staging/speakup/i18n.c
index 7809867f5d28..cea8707653f5 100644
--- a/drivers/staging/speakup/i18n.c
+++ b/drivers/staging/speakup/i18n.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Internationalization implementation.  Includes definitions of English
  * string arrays, and the i18n pointer.
  */
diff --git a/drivers/staging/speakup/i18n.h b/drivers/staging/speakup/i18n.h
index 8fcce566653f..2ec6e659d02b 100644
--- a/drivers/staging/speakup/i18n.h
+++ b/drivers/staging/speakup/i18n.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef I18N_H
 #define I18N_H
 /* Internationalization declarations */
diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c
index 08f68fc2864e..66061b5c3427 100644
--- a/drivers/staging/speakup/selection.c
+++ b/drivers/staging/speakup/selection.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h> /* for kmalloc */
 #include <linux/consolemap.h>
 #include <linux/interrupt.h>
diff --git a/drivers/staging/speakup/serialio.h b/drivers/staging/speakup/serialio.h
index 89de6fff9cb2..aa691e4a6916 100644
--- a/drivers/staging/speakup/serialio.h
+++ b/drivers/staging/speakup/serialio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPEAKUP_SERIAL_H
 #define _SPEAKUP_SERIAL_H
 
diff --git a/drivers/staging/speakup/speakup.h b/drivers/staging/speakup/speakup.h
index a654334c98b9..3d8bda8b9620 100644
--- a/drivers/staging/speakup/speakup.h
+++ b/drivers/staging/speakup/speakup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SPEAKUP_H
 #define _SPEAKUP_H
 
diff --git a/drivers/staging/speakup/speakup_acnt.h b/drivers/staging/speakup/speakup_acnt.h
index 107ec1155f51..cffa938ae580 100644
--- a/drivers/staging/speakup/speakup_acnt.h
+++ b/drivers/staging/speakup/speakup_acnt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* speakup_acntpc.h - header file for speakups Accent-PC driver. */
 
 #define SYNTH_IO_EXTENT	0x02
diff --git a/drivers/staging/speakup/speakup_dtlk.h b/drivers/staging/speakup/speakup_dtlk.h
index 51ac0f2fcded..9c378b58066e 100644
--- a/drivers/staging/speakup/speakup_dtlk.h
+++ b/drivers/staging/speakup/speakup_dtlk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */
 
 #define SYNTH_IO_EXTENT	0x02
diff --git a/drivers/staging/speakup/speakupmap.h b/drivers/staging/speakup/speakupmap.h
index f1c0dd3b2c3a..c60d7339b89a 100644
--- a/drivers/staging/speakup/speakupmap.h
+++ b/drivers/staging/speakup/speakupmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 	119, 62, 6,
 	0, 16, 20, 17, 32, 48, 0,
 	2, 0, 78, 0, 0, 0, 0,
diff --git a/drivers/staging/speakup/spk_types.h b/drivers/staging/speakup/spk_types.h
index 22f657d45e46..c50de6035a9a 100644
--- a/drivers/staging/speakup/spk_types.h
+++ b/drivers/staging/speakup/spk_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SPEAKUP_TYPES_H
 #define SPEAKUP_TYPES_H
 
diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/staging/unisys/visorbus/Makefile
index f3730d8c953e..784cdc1f9d6a 100644
--- a/drivers/staging/unisys/visorbus/Makefile
+++ b/drivers/staging/unisys/visorbus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Unisys visorbus
 #
diff --git a/drivers/staging/vboxvideo/Makefile b/drivers/staging/vboxvideo/Makefile
index 2d0b3bc7ad73..3f6094aa9cdf 100644
--- a/drivers/staging/vboxvideo/Makefile
+++ b/drivers/staging/vboxvideo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Iinclude/drm
 
 vboxvideo-y :=  hgsmi_base.o modesetting.o vbva_base.o \
diff --git a/drivers/staging/vc04_services/Makefile b/drivers/staging/vc04_services/Makefile
index e9a8e1343cbb..1ecb261e04ae 100644
--- a/drivers/staging/vc04_services/Makefile
+++ b/drivers/staging/vc04_services/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_BCM2835_VCHIQ)	+= vchiq.o
 
 vchiq-objs := \
diff --git a/drivers/staging/vc04_services/bcm2835-camera/Makefile b/drivers/staging/vc04_services/bcm2835-camera/Makefile
index 8307f30517d5..2a4565e682d8 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/Makefile
+++ b/drivers/staging/vc04_services/bcm2835-camera/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 bcm2835-v4l2-$(CONFIG_VIDEO_BCM2835) := \
 	bcm2835-camera.o \
 	controls.o \
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion
index 9f5b6344b9b7..dd1f324a8654 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -w
+# SPDX-License-Identifier: GPL-2.0
 
 use strict;
 
diff --git a/drivers/staging/vme/devices/vme_pio2.h b/drivers/staging/vme/devices/vme_pio2.h
index ac4a4bad4091..65f834cdeab2 100644
--- a/drivers/staging/vme/devices/vme_pio2.h
+++ b/drivers/staging/vme/devices/vme_pio2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VME_PIO2_H_
 #define _VME_PIO2_H_
 
diff --git a/drivers/staging/vme/devices/vme_user.h b/drivers/staging/vme/devices/vme_user.h
index a6cb75686fa4..19ecb05781cc 100644
--- a/drivers/staging/vme/devices/vme_user.h
+++ b/drivers/staging/vme/devices/vme_user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VME_USER_H_
 #define _VME_USER_H_
 
diff --git a/drivers/staging/vt6655/Makefile b/drivers/staging/vt6655/Makefile
index d55c3baade53..a151f30fc46f 100644
--- a/drivers/staging/vt6655/Makefile
+++ b/drivers/staging/vt6655/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # TODO: all of these should be removed
 ccflags-y := -DLINUX -D__KERNEL__ -D__NO_VERSION__
 ccflags-y += -DHOSTAP
diff --git a/drivers/staging/vt6656/Makefile b/drivers/staging/vt6656/Makefile
index 3dbe1f89dd25..b64c0d87f612 100644
--- a/drivers/staging/vt6656/Makefile
+++ b/drivers/staging/vt6656/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # TODO: all of these should be removed
 ccflags-y := -DLINUX -D__KERNEL__ -DEXPORT_SYMTAB -D__NO_VERSION__
 ccflags-y += -DHOSTAP
diff --git a/drivers/staging/wilc1000/Makefile b/drivers/staging/wilc1000/Makefile
index d22628314305..ee7e26b886a5 100644
--- a/drivers/staging/wilc1000/Makefile
+++ b/drivers/staging/wilc1000/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_WILC1000) += wilc1000.o
 
 ccflags-y += -DFIRMWARE_1002=\"atmel/wilc1002_firmware.bin\" \
diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c
index 622994795222..8cf886d32afb 100644
--- a/drivers/staging/wilc1000/coreconfigurator.c
+++ b/drivers/staging/wilc1000/coreconfigurator.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "coreconfigurator.h"
 #include "wilc_wlan_if.h"
 #include "wilc_wlan.h"
diff --git a/drivers/staging/wilc1000/coreconfigurator.h b/drivers/staging/wilc1000/coreconfigurator.h
index 5256f40524bf..3f5da8c58815 100644
--- a/drivers/staging/wilc1000/coreconfigurator.h
+++ b/drivers/staging/wilc1000/coreconfigurator.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*!
  *  @file	coreconfigurator.h
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 7b620658ec38..421168b9a9ca 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/time.h>
 #include <linux/kthread.h>
diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
index 1ce5ead318c7..44a2f4b595c5 100644
--- a/drivers/staging/wilc1000/host_interface.h
+++ b/drivers/staging/wilc1000/host_interface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef HOST_INT_H
 #define HOST_INT_H
 #include <linux/ieee80211.h>
diff --git a/drivers/staging/wilc1000/linux_mon.c b/drivers/staging/wilc1000/linux_mon.c
index 01efa80b4f88..91d49c4738dc 100644
--- a/drivers/staging/wilc1000/linux_mon.c
+++ b/drivers/staging/wilc1000/linux_mon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*!
  *  @file	linux_mon.c
  *  @brief	File Operations OS wrapper functionality
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index ac5aaafa461c..af12925a9d2b 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "wilc_wfi_cfgoperations.h"
 #include "host_interface.h"
 #include <linux/errno.h>
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h
index 85a3810d7bb5..dfb7ec272935 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*!
  *  @file	wilc_wfi_cfgoperations.h
  *  @brief	Definitions for the network module
diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index 7a36561a599e..e6f4d84971c3 100644
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*!
  *  @file	wilc_wfi_netdevice.h
  *  @brief	Definitions for the network module
diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h
index 7a5eba9b5f47..da7173105497 100644
--- a/drivers/staging/wilc1000/wilc_wlan.h
+++ b/drivers/staging/wilc1000/wilc_wlan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WILC_WLAN_H
 #define WILC_WLAN_H
 
diff --git a/drivers/staging/wilc1000/wilc_wlan_cfg.c b/drivers/staging/wilc1000/wilc_wlan_cfg.c
index d3e5b1b302f4..19e4f85fdd27 100644
--- a/drivers/staging/wilc1000/wilc_wlan_cfg.c
+++ b/drivers/staging/wilc1000/wilc_wlan_cfg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ////////////////////////////////////////////////////////////////////////// */
 /*  */
 /* Copyright (c) Atmel Corporation.  All rights reserved. */
diff --git a/drivers/staging/wilc1000/wilc_wlan_cfg.h b/drivers/staging/wilc1000/wilc_wlan_cfg.h
index b8641a273547..08092a551840 100644
--- a/drivers/staging/wilc1000/wilc_wlan_cfg.h
+++ b/drivers/staging/wilc1000/wilc_wlan_cfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ////////////////////////////////////////////////////////////////////////// */
 /*  */
 /* Copyright (c) Atmel Corporation.  All rights reserved. */
diff --git a/drivers/staging/wilc1000/wilc_wlan_if.h b/drivers/staging/wilc1000/wilc_wlan_if.h
index f4d60057a06e..c1693cfc076d 100644
--- a/drivers/staging/wilc1000/wilc_wlan_if.h
+++ b/drivers/staging/wilc1000/wilc_wlan_if.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* ///////////////////////////////////////////////////////////////////////// */
 /*  */
 /* Copyright (c) Atmel Corporation.  All rights reserved. */
diff --git a/drivers/staging/wlan-ng/Makefile b/drivers/staging/wlan-ng/Makefile
index 32b69f238c69..1d24b0f86eee 100644
--- a/drivers/staging/wlan-ng/Makefile
+++ b/drivers/staging/wlan-ng/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PRISM2_USB) += prism2_usb.o
 
 prism2_usb-y := prism2usb.o \
diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c
index 178f6f5d4613..42912257e2b9 100644
--- a/drivers/staging/wlan-ng/cfg80211.c
+++ b/drivers/staging/wlan-ng/cfg80211.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* cfg80211 Interface for prism2_usb module */
 #include "hfa384x.h"
 #include "prism2mgmt.h"
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index bfb6b0a6528d..b5ba176004c1 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "hfa384x_usb.c"
 #include "prism2mgmt.c"
 #include "prism2mib.c"
diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h
index 7a80a90f229f..a3af1cbbf8ee 100644
--- a/drivers/staging/xgifb/XGI_main.h
+++ b/drivers/staging/xgifb/XGI_main.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XGIFB_MAIN
 #define _XGIFB_MAIN
 /* ------------------- Constant Definitions ------------------------- */
diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h
index af50362395d5..982c676c16c6 100644
--- a/drivers/staging/xgifb/XGIfb.h
+++ b/drivers/staging/xgifb/XGIfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_XGIFB
 #define _LINUX_XGIFB
 #include "vgatypes.h"
diff --git a/drivers/staging/xgifb/vb_def.h b/drivers/staging/xgifb/vb_def.h
index 94e2e3c7c264..0311e2682d27 100644
--- a/drivers/staging/xgifb/vb_def.h
+++ b/drivers/staging/xgifb/vb_def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VB_DEF_
 #define _VB_DEF_
 #include "../../video/fbdev/sis/initdef.h"
diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 591a3c9babf5..ac1c815a3c5e 100644
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/delay.h>
 #include <linux/vmalloc.h>
 
diff --git a/drivers/staging/xgifb/vb_init.h b/drivers/staging/xgifb/vb_init.h
index e835054b87bf..2f8a70133ebd 100644
--- a/drivers/staging/xgifb/vb_init.h
+++ b/drivers/staging/xgifb/vb_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VBINIT_
 #define _VBINIT_
 unsigned char XGIInitNew(struct pci_dev *pdev);
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index cea128bede52..da07ca57bb40 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/delay.h>
 #include "XGIfb.h"
 
diff --git a/drivers/staging/xgifb/vb_setmode.h b/drivers/staging/xgifb/vb_setmode.h
index c6317ab00474..5904ed1f2686 100644
--- a/drivers/staging/xgifb/vb_setmode.h
+++ b/drivers/staging/xgifb/vb_setmode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VBSETMODE_
 #define _VBSETMODE_
 
diff --git a/drivers/staging/xgifb/vb_struct.h b/drivers/staging/xgifb/vb_struct.h
index 2fd1a5935e1d..e256f72f6d8a 100644
--- a/drivers/staging/xgifb/vb_struct.h
+++ b/drivers/staging/xgifb/vb_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VB_STRUCT_
 #define _VB_STRUCT_
 #include "../../video/fbdev/sis/vstruct.h"
diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h
index 31dd52c513df..0da63e1da32f 100644
--- a/drivers/staging/xgifb/vb_table.h
+++ b/drivers/staging/xgifb/vb_table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VB_TABLE_
 #define _VB_TABLE_
 static const struct SiS_MCLKData XGI340New_MCLKData[] = {
diff --git a/drivers/staging/xgifb/vb_util.h b/drivers/staging/xgifb/vb_util.h
index 052694e75053..0f6d5aac04f6 100644
--- a/drivers/staging/xgifb/vb_util.h
+++ b/drivers/staging/xgifb/vb_util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VBUTIL_
 #define _VBUTIL_
 static inline void xgifb_reg_set(unsigned long port, u8 index, u8 data)
diff --git a/drivers/staging/xgifb/vgatypes.h b/drivers/staging/xgifb/vgatypes.h
index de80e5c108dc..22919f2368d5 100644
--- a/drivers/staging/xgifb/vgatypes.h
+++ b/drivers/staging/xgifb/vgatypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VGATYPES_
 #define _VGATYPES_
 
diff --git a/drivers/target/Makefile b/drivers/target/Makefile
index e619c0266a79..45634747377e 100644
--- a/drivers/target/Makefile
+++ b/drivers/target/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 target_core_mod-y		:= target_core_configfs.o \
 				   target_core_device.o \
diff --git a/drivers/target/iscsi/Makefile b/drivers/target/iscsi/Makefile
index 0f18295e05bc..8c9ae96b760d 100644
--- a/drivers/target/iscsi/Makefile
+++ b/drivers/target/iscsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 iscsi_target_mod-y +=		iscsi_target_parameters.o \
 				iscsi_target_seq_pdu_list.o \
 				iscsi_target_auth.o \
diff --git a/drivers/target/iscsi/cxgbit/Makefile b/drivers/target/iscsi/cxgbit/Makefile
index 4893ec29b6b3..d16aaae7ba2a 100644
--- a/drivers/target/iscsi/cxgbit/Makefile
+++ b/drivers/target/iscsi/cxgbit/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Idrivers/net/ethernet/chelsio/cxgb4
 ccflags-y += -Idrivers/net/ethernet/chelsio/libcxgb
 ccflags-y += -Idrivers/target/iscsi
diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h
index e0db2ceb0f87..42de1843aa40 100644
--- a/drivers/target/iscsi/iscsi_target.h
+++ b/drivers/target/iscsi/iscsi_target.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_H
 #define ISCSI_TARGET_H
 
diff --git a/drivers/target/iscsi/iscsi_target_auth.h b/drivers/target/iscsi/iscsi_target_auth.h
index 1b91c13cc965..d5600ac30b53 100644
--- a/drivers/target/iscsi/iscsi_target_auth.h
+++ b/drivers/target/iscsi/iscsi_target_auth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ISCSI_CHAP_H_
 #define _ISCSI_CHAP_H_
 
diff --git a/drivers/target/iscsi/iscsi_target_datain_values.h b/drivers/target/iscsi/iscsi_target_datain_values.h
index 16edeeeb7777..a420fbd37969 100644
--- a/drivers/target/iscsi/iscsi_target_datain_values.h
+++ b/drivers/target/iscsi/iscsi_target_datain_values.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_DATAIN_VALUES_H
 #define ISCSI_TARGET_DATAIN_VALUES_H
 
diff --git a/drivers/target/iscsi/iscsi_target_device.h b/drivers/target/iscsi/iscsi_target_device.h
index 06dbff5cd520..ab2166f17785 100644
--- a/drivers/target/iscsi/iscsi_target_device.h
+++ b/drivers/target/iscsi/iscsi_target_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_DEVICE_H
 #define ISCSI_TARGET_DEVICE_H
 
diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h
index 3822d9cd1230..3393407bc4e4 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.h
+++ b/drivers/target/iscsi/iscsi_target_erl0.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_ERL0_H
 #define ISCSI_TARGET_ERL0_H
 
diff --git a/drivers/target/iscsi/iscsi_target_erl1.h b/drivers/target/iscsi/iscsi_target_erl1.h
index 54d36bd25bea..5f66b265b25b 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.h
+++ b/drivers/target/iscsi/iscsi_target_erl1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_ERL1_H
 #define ISCSI_TARGET_ERL1_H
 
diff --git a/drivers/target/iscsi/iscsi_target_erl2.h b/drivers/target/iscsi/iscsi_target_erl2.h
index 634d01e13652..93e180d68d07 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.h
+++ b/drivers/target/iscsi/iscsi_target_erl2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_ERL2_H
 #define ISCSI_TARGET_ERL2_H
 
diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h
index 0e1fd6cedd54..c2495e03625c 100644
--- a/drivers/target/iscsi/iscsi_target_login.h
+++ b/drivers/target/iscsi/iscsi_target_login.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_LOGIN_H
 #define ISCSI_TARGET_LOGIN_H
 
diff --git a/drivers/target/iscsi/iscsi_target_nego.h b/drivers/target/iscsi/iscsi_target_nego.h
index 53438bfca4c6..835e1b769b3f 100644
--- a/drivers/target/iscsi/iscsi_target_nego.h
+++ b/drivers/target/iscsi/iscsi_target_nego.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_NEGO_H
 #define ISCSI_TARGET_NEGO_H
 
diff --git a/drivers/target/iscsi/iscsi_target_nodeattrib.h b/drivers/target/iscsi/iscsi_target_nodeattrib.h
index 79cdf06ade48..ce074cb54579 100644
--- a/drivers/target/iscsi/iscsi_target_nodeattrib.h
+++ b/drivers/target/iscsi/iscsi_target_nodeattrib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_NODEATTRIB_H
 #define ISCSI_TARGET_NODEATTRIB_H
 
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index c47b73f57528..daf47f38e081 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_PARAMETERS_H
 #define ISCSI_PARAMETERS_H
 
diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
index be1234362271..5a0907027973 100644
--- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
+++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_SEQ_AND_PDU_LIST_H
 #define ISCSI_SEQ_AND_PDU_LIST_H
 
diff --git a/drivers/target/iscsi/iscsi_target_tmr.h b/drivers/target/iscsi/iscsi_target_tmr.h
index 64cc5c07e47c..301f0936bd8e 100644
--- a/drivers/target/iscsi/iscsi_target_tmr.h
+++ b/drivers/target/iscsi/iscsi_target_tmr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_TMR_H
 #define ISCSI_TARGET_TMR_H
 
diff --git a/drivers/target/iscsi/iscsi_target_tpg.h b/drivers/target/iscsi/iscsi_target_tpg.h
index 59fd3cabe89d..88576f5d0ca4 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.h
+++ b/drivers/target/iscsi/iscsi_target_tpg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_TPG_H
 #define ISCSI_TARGET_TPG_H
 
diff --git a/drivers/target/iscsi/iscsi_target_transport.c b/drivers/target/iscsi/iscsi_target_transport.c
index c4eb141c6435..036940518bfe 100644
--- a/drivers/target/iscsi/iscsi_target_transport.c
+++ b/drivers/target/iscsi/iscsi_target_transport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/module.h>
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index 425160565d0c..5e053d61c0c5 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_UTIL_H
 #define ISCSI_TARGET_UTIL_H
 
diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h
index 3acc43c05117..d3110909a213 100644
--- a/drivers/target/loopback/tcm_loop.h
+++ b/drivers/target/loopback/tcm_loop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/types.h>
 #include <linux/device.h>
 #include <target/target_core_base.h> /* struct se_cmd */
diff --git a/drivers/target/sbp/sbp_target.h b/drivers/target/sbp/sbp_target.h
index 73bcb1208832..1d101ac86527 100644
--- a/drivers/target/sbp/sbp_target.h
+++ b/drivers/target/sbp/sbp_target.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SBP_BASE_H
 #define _SBP_BASE_H
 
diff --git a/drivers/target/target_core_alua.h b/drivers/target/target_core_alua.h
index c69c11baf07f..1902cb5c3b52 100644
--- a/drivers/target/target_core_alua.h
+++ b/drivers/target/target_core_alua.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_ALUA_H
 #define TARGET_CORE_ALUA_H
 
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 526595a072de..53be5ffd3261 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_FILE_H
 #define TARGET_CORE_FILE_H
 
diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h
index f2a5797217d4..b4aeb2584ad4 100644
--- a/drivers/target/target_core_iblock.h
+++ b/drivers/target/target_core_iblock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_IBLOCK_H
 #define TARGET_CORE_IBLOCK_H
 
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
index f30e8ac13386..18e3eb16e756 100644
--- a/drivers/target/target_core_internal.h
+++ b/drivers/target/target_core_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_INTERNAL_H
 #define TARGET_CORE_INTERNAL_H
 
diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h
index 772f9148e75c..198fad5c89dc 100644
--- a/drivers/target/target_core_pr.h
+++ b/drivers/target/target_core_pr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_PR_H
 #define TARGET_CORE_PR_H
 
diff --git a/drivers/target/target_core_pscsi.h b/drivers/target/target_core_pscsi.h
index b86fb0e1b783..e8458b5e85c9 100644
--- a/drivers/target/target_core_pscsi.h
+++ b/drivers/target/target_core_pscsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_PSCSI_H
 #define TARGET_CORE_PSCSI_H
 
diff --git a/drivers/target/target_core_rd.h b/drivers/target/target_core_rd.h
index 91fc1a34791d..8b88f9b14c3f 100644
--- a/drivers/target/target_core_rd.h
+++ b/drivers/target/target_core_rd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_RD_H
 #define TARGET_CORE_RD_H
 
diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h
index 97402856a8f0..b0f4205a96cd 100644
--- a/drivers/target/target_core_ua.h
+++ b/drivers/target/target_core_ua.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_UA_H
 #define TARGET_CORE_UA_H
 
diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h
index 7c0b105cbe1b..26ba4c3c9cff 100644
--- a/drivers/target/target_core_xcopy.h
+++ b/drivers/target/target_core_xcopy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <target/target_core_base.h>
 
 #define XCOPY_HDR_LEN			16
diff --git a/drivers/target/tcm_fc/Makefile b/drivers/target/tcm_fc/Makefile
index 20b14bb087c9..a7d1593ab5af 100644
--- a/drivers/target/tcm_fc/Makefile
+++ b/drivers/target/tcm_fc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 tcm_fc-y +=		tfc_cmd.o \
 			tfc_conf.o \
 			tfc_io.o \
diff --git a/drivers/tee/Makefile b/drivers/tee/Makefile
index 7a4e4a1ac39c..21f51fd88b07 100644
--- a/drivers/tee/Makefile
+++ b/drivers/tee/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_TEE) += tee.o
 tee-objs += tee_core.o
 tee-objs += tee_shm.o
diff --git a/drivers/tee/optee/Makefile b/drivers/tee/optee/Makefile
index 92fe5789bcce..d526fb88d9c5 100644
--- a/drivers/tee/optee/Makefile
+++ b/drivers/tee/optee/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPTEE) += optee.o
 optee-objs += core.o
 optee-objs += call.o
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 8b79bca23536..195cd08fbc30 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for sensor chip drivers.
 #
diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile
index df0df055e7ff..287eb0a1476d 100644
--- a/drivers/thermal/int340x_thermal/Makefile
+++ b/drivers/thermal/int340x_thermal/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INT340X_THERMAL)	+= int3400_thermal.o
 obj-$(CONFIG_INT340X_THERMAL)	+= int340x_thermal_zone.o
 obj-$(CONFIG_INT340X_THERMAL)	+= int3402_thermal.o
diff --git a/drivers/thermal/int340x_thermal/acpi_thermal_rel.h b/drivers/thermal/int340x_thermal/acpi_thermal_rel.h
index 65075b174329..58822575fd54 100644
--- a/drivers/thermal/int340x_thermal/acpi_thermal_rel.h
+++ b/drivers/thermal/int340x_thermal/acpi_thermal_rel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_ACPI_THERMAL_H
 #define __ACPI_ACPI_THERMAL_H
 
diff --git a/drivers/thermal/tegra/Makefile b/drivers/thermal/tegra/Makefile
index 1ce1af2cf0f5..8a3f221f17c1 100644
--- a/drivers/thermal/tegra/Makefile
+++ b/drivers/thermal/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_TEGRA_SOCTHERM)	+= tegra-soctherm.o
 
 tegra-soctherm-y				:= soctherm.o soctherm-fuse.o
diff --git a/drivers/thermal/ti-soc-thermal/Makefile b/drivers/thermal/ti-soc-thermal/Makefile
index 0f89bdf03790..f180ebead858 100644
--- a/drivers/thermal/ti-soc-thermal/Makefile
+++ b/drivers/thermal/ti-soc-thermal/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_TI_SOC_THERMAL)		+= ti-soc-thermal.o
 ti-soc-thermal-y			:= ti-bandgap.o
 ti-soc-thermal-$(CONFIG_TI_THERMAL)	+= ti-thermal-common.o
diff --git a/drivers/thunderbolt/cap.c b/drivers/thunderbolt/cap.c
index 38bc27a5ce4f..c2277b8ee88d 100644
--- a/drivers/thunderbolt/cap.c
+++ b/drivers/thunderbolt/cap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - capabilities lookup
  *
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index fb40dd0588b9..423ae231fc6c 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - control channel and configuration commands
  *
diff --git a/drivers/thunderbolt/ctl.h b/drivers/thunderbolt/ctl.h
index 36fd28b1c1c5..dd34f627ce49 100644
--- a/drivers/thunderbolt/ctl.h
+++ b/drivers/thunderbolt/ctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt Cactus Ridge driver - control channel and configuration commands
  *
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index fe2f00ceafc5..3e8caf22c294 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - eeprom access
  *
diff --git a/drivers/thunderbolt/nhi.h b/drivers/thunderbolt/nhi.h
index 5b5bb2c436be..1c7e6b92e235 100644
--- a/drivers/thunderbolt/nhi.h
+++ b/drivers/thunderbolt/nhi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt Cactus Ridge driver - NHI driver
  *
diff --git a/drivers/thunderbolt/nhi_regs.h b/drivers/thunderbolt/nhi_regs.h
index 09ed574e92ff..752ec04305f3 100644
--- a/drivers/thunderbolt/nhi_regs.h
+++ b/drivers/thunderbolt/nhi_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt driver - NHI registers
  *
diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c
index 9562cd026dc0..ff49ad880bfd 100644
--- a/drivers/thunderbolt/path.c
+++ b/drivers/thunderbolt/path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - path/tunnel functionality
  *
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 53f40c57df59..3953d17202a8 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - switch/port utility functions
  *
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 0b22ad9d68b4..d674e06767a5 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - bus logic (NHI independent)
  *
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index e0deee4f1eb0..d7ffc159bcf7 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt Cactus Ridge driver - bus logic (NHI independent)
  *
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index 582bd1f156dc..5d94142afda6 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt Cactus Ridge driver - Port/Switch config area registers
  *
diff --git a/drivers/thunderbolt/tunnel_pci.c b/drivers/thunderbolt/tunnel_pci.c
index ca4475907d7a..0637537ea53f 100644
--- a/drivers/thunderbolt/tunnel_pci.c
+++ b/drivers/thunderbolt/tunnel_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Thunderbolt Cactus Ridge driver - PCIe tunnel
  *
diff --git a/drivers/thunderbolt/tunnel_pci.h b/drivers/thunderbolt/tunnel_pci.h
index a67f93c140fa..f9b65fa1fd4d 100644
--- a/drivers/thunderbolt/tunnel_pci.h
+++ b/drivers/thunderbolt/tunnel_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Thunderbolt Cactus Ridge driver - PCIe tunnel
  *
diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile
index 16330a819685..8ce3a8661b31 100644
--- a/drivers/tty/Makefile
+++ b/drivers/tty/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_TTY)		+= tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o \
 				   tty_buffer.o tty_port.o tty_mutex.o \
 				   tty_ldsem.o tty_baudrate.o tty_jobctrl.o \
diff --git a/drivers/tty/hvc/Makefile b/drivers/tty/hvc/Makefile
index 6a2702be76d1..0b02ec7f1dfd 100644
--- a/drivers/tty/hvc/Makefile
+++ b/drivers/tty/hvc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_HVC_CONSOLE)	+= hvc_vio.o hvsi_lib.o
 obj-$(CONFIG_HVC_OPAL)		+= hvc_opal.o hvsi_lib.o
 obj-$(CONFIG_HVC_OLD_HVSI)	+= hvsi.o
diff --git a/drivers/tty/hvc/hvc_irq.c b/drivers/tty/hvc/hvc_irq.c
index bc7a96874637..4b255dfef2cc 100644
--- a/drivers/tty/hvc/hvc_irq.c
+++ b/drivers/tty/hvc/hvc_irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright IBM Corp. 2001,2008
  *
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index 8b70a1627356..a74680729825 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * z/VM IUCV hypervisor console (HVC) device driver
  *
diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c
index a270f04588d7..09289c8154ae 100644
--- a/drivers/tty/hvc/hvsi_lib.c
+++ b/drivers/tty/hvc/hvsi_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c
index df0204b6148f..a6b8240af6cd 100644
--- a/drivers/tty/ipwireless/hardware.c
+++ b/drivers/tty/ipwireless/hardware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/hardware.h b/drivers/tty/ipwireless/hardware.h
index 90a8590e43b0..e524a8fcc2ad 100644
--- a/drivers/tty/ipwireless/hardware.h
+++ b/drivers/tty/ipwireless/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/main.h b/drivers/tty/ipwireless/main.h
index f2cbb116bccb..73818bb64416 100644
--- a/drivers/tty/ipwireless/main.h
+++ b/drivers/tty/ipwireless/main.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/network.c b/drivers/tty/ipwireless/network.c
index c2f9a3263b37..695439c03147 100644
--- a/drivers/tty/ipwireless/network.c
+++ b/drivers/tty/ipwireless/network.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/network.h b/drivers/tty/ipwireless/network.h
index 561f765b3334..784932a59a73 100644
--- a/drivers/tty/ipwireless/network.h
+++ b/drivers/tty/ipwireless/network.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/setup_protocol.h b/drivers/tty/ipwireless/setup_protocol.h
index 002c34e72521..d4a7ae257ca5 100644
--- a/drivers/tty/ipwireless/setup_protocol.h
+++ b/drivers/tty/ipwireless/setup_protocol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 2685d59d2724..1ef751c27ac6 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/ipwireless/tty.h b/drivers/tty/ipwireless/tty.h
index 747b2d637860..ec698d9f338b 100644
--- a/drivers/tty/ipwireless/tty.h
+++ b/drivers/tty/ipwireless/tty.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPWireless 3G PCMCIA Network Driver
  *
diff --git a/drivers/tty/moxa.h b/drivers/tty/moxa.h
index 87d16ce57be7..8ce89fd36c7b 100644
--- a/drivers/tty/moxa.h
+++ b/drivers/tty/moxa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MOXA_H_FILE
 #define MOXA_H_FILE
 
diff --git a/drivers/tty/mxser.h b/drivers/tty/mxser.h
index 0bf794313ffd..e6cb15626567 100644
--- a/drivers/tty/mxser.h
+++ b/drivers/tty/mxser.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MXSER_H
 #define _MXSER_H
 
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 26dcb3b60fb9..64338442050e 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *
diff --git a/drivers/tty/rocket.h b/drivers/tty/rocket.h
index c11a9392f219..d0560203f215 100644
--- a/drivers/tty/rocket.h
+++ b/drivers/tty/rocket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * rocket.h --- the exported interface of the rocket driver to its configuration program.
  *
diff --git a/drivers/tty/rocket_int.h b/drivers/tty/rocket_int.h
index ef1e1be6b26d..727e50dbb92f 100644
--- a/drivers/tty/rocket_int.h
+++ b/drivers/tty/rocket_int.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * rocket_int.h --- internal header file for rocket.c
  *
diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile
index 6a18d2d768fe..18751bc63a84 100644
--- a/drivers/tty/serial/8250/Makefile
+++ b/drivers/tty/serial/8250/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the 8250 serial device drivers.
 #
diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
index fe88a75d9a59..842d185d697e 100644
--- a/drivers/tty/serial/Makefile
+++ b/drivers/tty/serial/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel serial device drivers.
 #
diff --git a/drivers/tty/serial/amba-pl011.h b/drivers/tty/serial/amba-pl011.h
index 411c60e1f9a4..077eb12a3472 100644
--- a/drivers/tty/serial/amba-pl011.h
+++ b/drivers/tty/serial/amba-pl011.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AMBA_PL011_H
 #define AMBA_PL011_H
 
diff --git a/drivers/tty/serial/apbuart.h b/drivers/tty/serial/apbuart.h
index 5faf87c8d2bc..81baf007694f 100644
--- a/drivers/tty/serial/apbuart.h
+++ b/drivers/tty/serial/apbuart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GRLIB_APBUART_H__
 #define __GRLIB_APBUART_H__
 
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
index 60c7e94cde1e..18ec0849918a 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for CPM (SCC/SMC) serial ports
  *
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
index 51e651a69938..051a8509c3e5 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for CPM (SCC/SMC) serial ports
  *
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 59a2a7e18b5a..1421804975e0 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Serial port driver for the ETRAX 100LX chip
  *
diff --git a/drivers/tty/serial/crisv10.h b/drivers/tty/serial/crisv10.h
index 15a52ee58251..79ba2bc95d3d 100644
--- a/drivers/tty/serial/crisv10.h
+++ b/drivers/tty/serial/crisv10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * serial.h: Arch-dep definitions for the Etrax100 serial driver.
  *
diff --git a/drivers/tty/serial/dz.h b/drivers/tty/serial/dz.h
index faf169ed27b3..3b3e31954f24 100644
--- a/drivers/tty/serial/dz.h
+++ b/drivers/tty/serial/dz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dz.h: Serial port driver for DECstations equipped
  *       with the DZ chipset.
diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c
index 2f80bc7e44fb..24bf6bfb29b4 100644
--- a/drivers/tty/serial/etraxfs-uart.c
+++ b/drivers/tty/serial/etraxfs-uart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/console.h>
diff --git a/drivers/tty/serial/ip22zilog.h b/drivers/tty/serial/ip22zilog.h
index a59a9a8341d2..b52801fe2d0d 100644
--- a/drivers/tty/serial/ip22zilog.h
+++ b/drivers/tty/serial/ip22zilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IP22_ZILOG_H
 #define _IP22_ZILOG_H
 
diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h
index 3483242ee3e0..bb874e76810e 100644
--- a/drivers/tty/serial/pmac_zilog.h
+++ b/drivers/tty/serial/pmac_zilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PMAC_ZILOG_H__
 #define __PMAC_ZILOG_H__
 
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
index 971b2ab088d8..938e23a2d166 100644
--- a/drivers/tty/serial/sh-sci.h
+++ b/drivers/tty/serial/sh-sci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/bitops.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
diff --git a/drivers/tty/serial/sunsab.h b/drivers/tty/serial/sunsab.h
index b78e1f7b8050..1644031aacda 100644
--- a/drivers/tty/serial/sunsab.h
+++ b/drivers/tty/serial/sunsab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
diff --git a/drivers/tty/serial/sunzilog.h b/drivers/tty/serial/sunzilog.h
index 5dec7b47cc38..6d6764f0ac98 100644
--- a/drivers/tty/serial/sunzilog.h
+++ b/drivers/tty/serial/sunzilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SUNZILOG_H
 #define _SUNZILOG_H
 
diff --git a/drivers/tty/serial/zs.h b/drivers/tty/serial/zs.h
index aa921b57d827..26ef8eafa1c1 100644
--- a/drivers/tty/serial/zs.h
+++ b/drivers/tty/serial/zs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zs.h: Definitions for the DECstation Z85C30 serial driver.
  *
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 3ffc1ce29023..d008f5a75197 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Linux Magic System Request Key Hacks
  *
diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c
index d8bae67a6174..2640635ee177 100644
--- a/drivers/tty/tty_mutex.c
+++ b/drivers/tty/tty_mutex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/tty.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile
index 17ae94cb29f8..edbbe0ccdb83 100644
--- a/drivers/tty/vt/Makefile
+++ b/drivers/tty/vt/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # This file contains the font map for the default (hardware) font
 #
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index accbd1257bc4..7a4c8022c023 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This module exports the functions:
  *
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
index 56dcff6059d3..85b6634f518a 100644
--- a/drivers/tty/vt/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Provide access to virtual console memory.
  * /dev/vcs0: the screen as it is being viewed right now (possibly scrolled)
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 96d389cb506c..2d2b420598b2 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1992 obz under the linux copyright
  *
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
index e9663bb8a4c7..c285dd2a4539 100644
--- a/drivers/uio/Makefile
+++ b/drivers/uio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_UIO)	+= uio.o
 obj-$(CONFIG_UIO_CIF)	+= uio_cif.o
 obj-$(CONFIG_UIO_PDRV_GENIRQ)	+= uio_pdrv_genirq.o
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 9650b351c26c..060643a1b5c8 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel USB device drivers.
 #
diff --git a/drivers/usb/atm/Makefile b/drivers/usb/atm/Makefile
index ac278946b06c..7ac65ce1aa8a 100644
--- a/drivers/usb/atm/Makefile
+++ b/drivers/usb/atm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for USB ATM/xDSL drivers
 #
diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile
index ddcbddf8361a..e3d5e728fa53 100644
--- a/drivers/usb/chipidea/Makefile
+++ b/drivers/usb/chipidea/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_CHIPIDEA)		+= ci_hdrc.o
 
 ci_hdrc-y				:= core.o otg.o debug.o
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 1c31e8a08810..c9e1a165ed82 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/types.h>
diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h
index 0f12f131bdd3..70112cf0f195 100644
--- a/drivers/usb/chipidea/host.h
+++ b/drivers/usb/chipidea/host.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRIVERS_USB_CHIPIDEA_HOST_H
 #define __DRIVERS_USB_CHIPIDEA_HOST_H
 
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 7a2b3deafc90..eacc116e83da 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Includes for cdc-acm.c
diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile
index 6bbb3ec17018..0a7c45e85481 100644
--- a/drivers/usb/common/Makefile
+++ b/drivers/usb/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the usb common parts.
 #
diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile
index 250ec1d662d9..92c9cefb4317 100644
--- a/drivers/usb/core/Makefile
+++ b/drivers/usb/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for USB Core files and filesystem
 #
diff --git a/drivers/usb/dwc2/Makefile b/drivers/usb/dwc2/Makefile
index b9237e1e45d0..440320cc20a4 100644
--- a/drivers/usb/dwc2/Makefile
+++ b/drivers/usb/dwc2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_USB_DWC2_DEBUG)	+= -DDEBUG
 ccflags-$(CONFIG_USB_DWC2_VERBOSE)	+= -DVERBOSE_DEBUG
 
diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile
index f15fabbd1e59..7ac725038f8d 100644
--- a/drivers/usb/dwc3/Makefile
+++ b/drivers/usb/dwc3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # define_trace.h needs to know how to find our header
 CFLAGS_trace.o				:= -I$(src)
 
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 598a67d6ba05..130dad7130b6 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # USB peripheral controller drivers
 #
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
index 540d5e92ed22..3b6f5298b2e8 100644
--- a/drivers/usb/gadget/configfs.h
+++ b/drivers/usb/gadget/configfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef USB__GADGET__CONFIGFS__H
 #define USB__GADGET__CONFIGFS__H
 
diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile
index 86e825269947..5d3a6cf02218 100644
--- a/drivers/usb/gadget/function/Makefile
+++ b/drivers/usb/gadget/function/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # USB peripheral controller drivers
 #
diff --git a/drivers/usb/gadget/function/f_mass_storage.h b/drivers/usb/gadget/function/f_mass_storage.h
index dc05ca0c4359..58857fcf199f 100644
--- a/drivers/usb/gadget/function/f_mass_storage.h
+++ b/drivers/usb/gadget/function/f_mass_storage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef USB_F_MASS_STORAGE_H
 #define USB_F_MASS_STORAGE_H
 
diff --git a/drivers/usb/gadget/function/g_zero.h b/drivers/usb/gadget/function/g_zero.h
index 492924d0d599..98b8462ad538 100644
--- a/drivers/usb/gadget/function/g_zero.h
+++ b/drivers/usb/gadget/function/g_zero.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header declares the utility functions used by "Gadget Zero", plus
  * interfaces to its two single-configuration function drivers.
diff --git a/drivers/usb/gadget/function/storage_common.h b/drivers/usb/gadget/function/storage_common.h
index e0814a960132..e5e3a2553aaa 100644
--- a/drivers/usb/gadget/function/storage_common.h
+++ b/drivers/usb/gadget/function/storage_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef USB_STORAGE_COMMON_H
 #define USB_STORAGE_COMMON_H
 
diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h
index a27e6e34db0b..3cd565794ad7 100644
--- a/drivers/usb/gadget/function/tcm.h
+++ b/drivers/usb/gadget/function/tcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TARGET_USB_GADGET_H__
 #define __TARGET_USB_GADGET_H__
 
diff --git a/drivers/usb/gadget/function/uvc_queue.h b/drivers/usb/gadget/function/uvc_queue.h
index ac461a9a1a70..51ee94e5cf2b 100644
--- a/drivers/usb/gadget/function/uvc_queue.h
+++ b/drivers/usb/gadget/function/uvc_queue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UVC_QUEUE_H_
 #define _UVC_QUEUE_H_
 
diff --git a/drivers/usb/gadget/legacy/Makefile b/drivers/usb/gadget/legacy/Makefile
index 7f485f25705e..abd0c3e66a05 100644
--- a/drivers/usb/gadget/legacy/Makefile
+++ b/drivers/usb/gadget/legacy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # USB gadget drivers
 #
diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile
index ea9e1c7f1923..ce865b129fd6 100644
--- a/drivers/usb/gadget/udc/Makefile
+++ b/drivers/usb/gadget/udc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # define_trace.h needs to know how to find our header
 CFLAGS_trace.o			:= -I$(src)
 
diff --git a/drivers/usb/gadget/udc/bdc/Makefile b/drivers/usb/gadget/udc/bdc/Makefile
index 5cf6a3bcdf0f..52cb5ea48bbe 100644
--- a/drivers/usb/gadget/udc/bdc/Makefile
+++ b/drivers/usb/gadget/udc/bdc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_BDC_UDC)	+= bdc.o
 bdc-y	:= bdc_core.o bdc_cmd.o bdc_ep.o bdc_udc.o
 
diff --git a/drivers/usb/gadget/udc/omap_udc.h b/drivers/usb/gadget/udc/omap_udc.h
index 26974196cf44..00f9e608e755 100644
--- a/drivers/usb/gadget/udc/omap_udc.h
+++ b/drivers/usb/gadget/udc/omap_udc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * omap_udc.h -- for omap 3.2 udc, with OTG support
  *
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index cf2691fffcc0..4ab2689c8952 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for USB Host Controller Drivers
 #
diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h
index b5cfa7aeb277..7fcd785c7bc8 100644
--- a/drivers/usb/host/fotg210.h
+++ b/drivers/usb/host/fotg210.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_FOTG210_H
 #define __LINUX_FOTG210_H
 
diff --git a/drivers/usb/host/isp116x.h b/drivers/usb/host/isp116x.h
index dd34b7a33965..a5e929c10d53 100644
--- a/drivers/usb/host/isp116x.h
+++ b/drivers/usb/host/isp116x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ISP116x register declarations and HCD data structures
  *
diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h
index 3b0b4847c3a9..da79e36ced89 100644
--- a/drivers/usb/host/isp1362.h
+++ b/drivers/usb/host/isp1362.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ISP1362 HCD (Host Controller Driver) for USB.
  *
diff --git a/drivers/usb/host/oxu210hp.h b/drivers/usb/host/oxu210hp.h
index 1c216ad9aad2..437044147862 100644
--- a/drivers/usb/host/oxu210hp.h
+++ b/drivers/usb/host/oxu210hp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Host interface registers
  */
diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h
index 5582cbafecd4..b68dcb5dd0fd 100644
--- a/drivers/usb/host/pci-quirks.h
+++ b/drivers/usb/host/pci-quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_USB_PCI_QUIRKS_H
 #define __LINUX_USB_PCI_QUIRKS_H
 
diff --git a/drivers/usb/host/sl811.h b/drivers/usb/host/sl811.h
index 1e23ef49bec1..2abe51a5db44 100644
--- a/drivers/usb/host/sl811.h
+++ b/drivers/usb/host/sl811.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SL811HS register declarations and HCD data structures
  *
diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c
index 9c6635d43db0..c4e67c4b51f6 100644
--- a/drivers/usb/host/uhci-debug.c
+++ b/drivers/usb/host/uhci-debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UHCI-specific debugging code. Invaluable when something
  * goes wrong, but don't get in my face.
diff --git a/drivers/usb/host/uhci-grlib.c b/drivers/usb/host/uhci-grlib.c
index 0342991c9507..2103b1ed0f8f 100644
--- a/drivers/usb/host/uhci-grlib.c
+++ b/drivers/usb/host/uhci-grlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UHCI HCD (Host Controller Driver) for GRLIB GRUSBHC
  *
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h
index 91b22b2ea3aa..d97f0d9b3ce6 100644
--- a/drivers/usb/host/uhci-hcd.h
+++ b/drivers/usb/host/uhci-hcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_UHCI_HCD_H
 #define __LINUX_UHCI_HCD_H
 
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
index ece9e37e89fe..47106dd8ca7c 100644
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Universal Host Controller Interface driver for USB.
  *
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index 49effdc0d857..0dd944277c99 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UHCI HCD (Host Controller Driver) PCI Bus Glue.
  *
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index 1b4e086c33a0..6cb16d4b2257 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic UHCI HCD (Host Controller Driver) for Platform Devices
  *
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index c17ea1589b83..49d4edc03cc2 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Universal Host Controller Interface driver for USB.
  *
diff --git a/drivers/usb/image/microtek.h b/drivers/usb/image/microtek.h
index 7e32ae787136..66685e59241a 100644
--- a/drivers/usb/image/microtek.h
+++ b/drivers/usb/image/microtek.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
  /*
  * Driver for Microtek Scanmaker X6 USB scanner and possibly others.
  * 
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index 8e59e0c02b8a..bb4d6d959871 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Driver for the NXP ISP1760 chip
  *
diff --git a/drivers/usb/isp1760/isp1760-hcd.h b/drivers/usb/isp1760/isp1760-hcd.h
index 0c1c98d6ea08..f1bb2deb1ccf 100644
--- a/drivers/usb/isp1760/isp1760-hcd.h
+++ b/drivers/usb/isp1760/isp1760-hcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ISP1760_HCD_H_
 #define _ISP1760_HCD_H_
 
diff --git a/drivers/usb/isp1760/isp1760-if.c b/drivers/usb/isp1760/isp1760-if.c
index bc68bbab7fa1..241a00d75027 100644
--- a/drivers/usb/isp1760/isp1760-if.c
+++ b/drivers/usb/isp1760/isp1760-if.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Glue code for the ISP1760 driver and bus
  * Currently there is support for
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 7fdb45fc976f..109f54f5b9aa 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the rest of the USB drivers
 # (the ones that don't fit into any other categories)
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index b6d8bf475c92..f6ae753ab99b 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The USB Monitor, inspired by Dave Harding's USBMon.
  *
diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c
index 5bdf73a57498..98ab0cc473d6 100644
--- a/drivers/usb/mon/mon_stat.c
+++ b/drivers/usb/mon/mon_stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The USB Monitor, inspired by Dave Harding's USBMon.
  *
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 19c416d69eb9..f5e1bb5e5217 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The USB Monitor, inspired by Dave Harding's USBMon.
  *
diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h
index df9a4df342c7..aa64efaba366 100644
--- a/drivers/usb/mon/usb_mon.h
+++ b/drivers/usb/mon/usb_mon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The USB Monitor, inspired by Dave Harding's USBMon.
  *
diff --git a/drivers/usb/mtu3/Makefile b/drivers/usb/mtu3/Makefile
index 60e0fff7a847..4a9715812bf9 100644
--- a/drivers/usb/mtu3/Makefile
+++ b/drivers/usb/mtu3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-$(CONFIG_USB_MTU3_DEBUG)	+= -DDEBUG
 
diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index 689d42aba8a9..79d4d5439164 100644
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # for USB OTG silicon based on Mentor Graphics INVENTRA designs
 #
diff --git a/drivers/usb/musb/cppi_dma.h b/drivers/usb/musb/cppi_dma.h
index 9bb7c5e45c85..16dd1ed44bb5 100644
--- a/drivers/usb/musb/cppi_dma.h
+++ b/drivers/usb/musb/cppi_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright (C) 2005-2006 by Texas Instruments */
 
 #ifndef _CPPI_DMA_H_
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index e7c9ca8cafb0..0c40ccc90631 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for physical layer USB drivers
 #
diff --git a/drivers/usb/phy/phy-am335x-control.h b/drivers/usb/phy/phy-am335x-control.h
index e86b3165d69d..cd4acfc6e360 100644
--- a/drivers/usb/phy/phy-am335x-control.h
+++ b/drivers/usb/phy/phy-am335x-control.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AM335x_PHY_CONTROL_H_
 #define _AM335x_PHY_CONTROL_H_
 
diff --git a/drivers/usb/phy/phy-generic.h b/drivers/usb/phy/phy-generic.h
index 0d0eadd54ed9..97289627561d 100644
--- a/drivers/usb/phy/phy-generic.h
+++ b/drivers/usb/phy/phy-generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PHY_GENERIC_H_
 #define _PHY_GENERIC_H_
 
diff --git a/drivers/usb/renesas_usbhs/Makefile b/drivers/usb/renesas_usbhs/Makefile
index d787d05f6546..fac147a3ad23 100644
--- a/drivers/usb/renesas_usbhs/Makefile
+++ b/drivers/usb/renesas_usbhs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # for Renesas USB
 #
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 5a21a82390e1..2d491e434f11 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the USB serial device drivers.
 #
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index 119d2e17077b..35e223751c0e 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CYPRESS_M8_H
 #define CYPRESS_M8_H
 
diff --git a/drivers/usb/serial/ezusb_convert.pl b/drivers/usb/serial/ezusb_convert.pl
index 13f11469116e..40d23f21ec74 100644
--- a/drivers/usb/serial/ezusb_convert.pl
+++ b/drivers/usb/serial/ezusb_convert.pl
@@ -1,4 +1,5 @@
 #! /usr/bin/perl -w
+# SPDX-License-Identifier: GPL-2.0
 
 
 # convert an Intel HEX file into a set of C records usable by the firmware
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index bbcc13df11ac..dcd0b6e05baf 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver definitions for the FTDI USB Single Port Serial Converter -
  * known as FTDI_SIO (Serial Input/Output application of the chipset)
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index f9d15bd62785..4faa09fe308c 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * vendor/product IDs (VID/PID) of devices using FTDI USB serial converters.
  * Please keep numerically sorted within individual areas, thanks!
diff --git a/drivers/usb/serial/kl5kusb105.h b/drivers/usb/serial/kl5kusb105.h
index 22a90badc86b..41c9bf60fbf0 100644
--- a/drivers/usb/serial/kl5kusb105.h
+++ b/drivers/usb/serial/kl5kusb105.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for the KLSI KL5KUSB105 serial port adapter
  */
diff --git a/drivers/usb/serial/kobil_sct.h b/drivers/usb/serial/kobil_sct.h
index be207f7156fe..030c1b426611 100644
--- a/drivers/usb/serial/kobil_sct.h
+++ b/drivers/usb/serial/kobil_sct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define SUSBCRequest_SetBaudRateParityAndStopBits       1
 #define SUSBCR_SBR_MASK				0xFF00
 #define SUSBCR_SBR_1200				0x0100
diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
index 44b25c08c68a..d28dab4b9eff 100644
--- a/drivers/usb/serial/usb-wwan.h
+++ b/drivers/usb/serial/usb-wwan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for USB serial mobile broadband cards
  */
diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile
index 4cd55481b309..c5126a4cd954 100644
--- a/drivers/usb/storage/Makefile
+++ b/drivers/usb/storage/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the USB Mass Storage device drivers.
 #
diff --git a/drivers/usb/storage/option_ms.h b/drivers/usb/storage/option_ms.h
index b6e448cab039..6439992184fa 100644
--- a/drivers/usb/storage/option_ms.h
+++ b/drivers/usb/storage/option_ms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OPTION_MS_H_
 #define _OPTION_MS_H_
 extern int option_ms_init(struct us_data *us);
diff --git a/drivers/usb/storage/sierra_ms.c b/drivers/usb/storage/sierra_ms.c
index 9a51019ac7b2..daf62448483f 100644
--- a/drivers/usb/storage/sierra_ms.c
+++ b/drivers/usb/storage/sierra_ms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_cmnd.h>
diff --git a/drivers/usb/storage/sierra_ms.h b/drivers/usb/storage/sierra_ms.h
index bb48634ac1fc..3e9da537d54a 100644
--- a/drivers/usb/storage/sierra_ms.h
+++ b/drivers/usb/storage/sierra_ms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SIERRA_MS_H_
 #define _SIERRA_MS_H_
 extern int sierra_ms_init(struct us_data *us);
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h
index a155cd02bce2..1fcd758a961f 100644
--- a/drivers/usb/storage/uas-detect.h
+++ b/drivers/usb/storage/uas-detect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
 #include "usb.h"
diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile
index 8372fc22f9b3..b57891c1fd31 100644
--- a/drivers/usb/typec/ucsi/Makefile
+++ b/drivers/usb/typec/ucsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS_trace.o			:= -I$(src)
 
 obj-$(CONFIG_TYPEC_UCSI)	+= typec_ucsi.o
diff --git a/drivers/usb/typec/ucsi/debug.h b/drivers/usb/typec/ucsi/debug.h
index e4d8fc763e6c..fdeff39df120 100644
--- a/drivers/usb/typec/ucsi/debug.h
+++ b/drivers/usb/typec/ucsi/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UCSI_DEBUG_H
 #define __UCSI_DEBUG_H
 
diff --git a/drivers/usb/typec/ucsi/trace.h b/drivers/usb/typec/ucsi/trace.h
index 98b404404834..d5092446ecc6 100644
--- a/drivers/usb/typec/ucsi/trace.h
+++ b/drivers/usb/typec/ucsi/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ucsi
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 8a88f45822e3..53b80f40a908 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __DRIVER_USB_TYPEC_UCSI_H
 #define __DRIVER_USB_TYPEC_UCSI_H
diff --git a/drivers/usb/usbip/Makefile b/drivers/usb/usbip/Makefile
index d843a9e68852..f4c8f3840262 100644
--- a/drivers/usb/usbip/Makefile
+++ b/drivers/usb/usbip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_USBIP_DEBUG) := -DDEBUG
 
 obj-$(CONFIG_USBIP_CORE) += usbip-core.o
diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile
index b3bd313032b1..d604ccdd916f 100644
--- a/drivers/usb/wusbcore/Makefile
+++ b/drivers/usb/wusbcore/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_USB_WUSB_CBAF_DEBUG) := -DDEBUG
 
 obj-$(CONFIG_USB_WUSB)		+= wusbcore.o
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index d47dd6e2942c..32f4de7afbd6 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_UWB)		+= uwb.o
 obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o whc-rc.o
 obj-$(CONFIG_UWB_HWA)		+= hwa-rc.o
diff --git a/drivers/uwb/i1480/dfu/Makefile b/drivers/uwb/i1480/dfu/Makefile
index bd1b9f25424c..4739fdac5922 100644
--- a/drivers/uwb/i1480/dfu/Makefile
+++ b/drivers/uwb/i1480/dfu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_UWB_I1480U)	+= i1480-dfu-usb.o
 
 i1480-dfu-usb-objs := \
diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile
index 4a23c13b6be4..de67c4725cce 100644
--- a/drivers/vfio/Makefile
+++ b/drivers/vfio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vfio_virqfd-y := virqfd.o
 
 obj-$(CONFIG_VFIO) += vfio.o
diff --git a/drivers/vfio/platform/Makefile b/drivers/vfio/platform/Makefile
index 41a6224f5e6b..3f3a24e7c4ef 100644
--- a/drivers/vfio/platform/Makefile
+++ b/drivers/vfio/platform/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vfio-platform-base-y := vfio_platform_common.o vfio_platform_irq.o
 vfio-platform-y := vfio_platform.o
 
diff --git a/drivers/vfio/platform/reset/Makefile b/drivers/vfio/platform/reset/Makefile
index 93f4e232697b..90ba20b646da 100644
--- a/drivers/vfio/platform/reset/Makefile
+++ b/drivers/vfio/platform/reset/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 vfio-platform-calxedaxgmac-y := vfio_platform_calxedaxgmac.o
 vfio-platform-amdxgbe-y := vfio_platform_amdxgbe.o
 
diff --git a/drivers/vhost/Makefile b/drivers/vhost/Makefile
index 6b012b986b57..6c6df24f770c 100644
--- a/drivers/vhost/Makefile
+++ b/drivers/vhost/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VHOST_NET) += vhost_net.o
 vhost_net-y := net.o
 
diff --git a/drivers/vhost/test.h b/drivers/vhost/test.h
index 1fef5df82153..7dd265bfdf81 100644
--- a/drivers/vhost/test.h
+++ b/drivers/vhost/test.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_VHOST_TEST_H
 #define LINUX_VHOST_TEST_H
 
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index d59a9cc65f9d..79c6e7a60a5e 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VHOST_H
 #define _VHOST_H
 
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 445b2c230b56..df7650adede9 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VGASTATE)            += vgastate.o
 obj-$(CONFIG_HDMI)                += hdmi.o
 
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 8905129691e8..5e28f01c8391 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Backlight & LCD drivers
 
 obj-$(CONFIG_LCD_AMS369FG06)		+= ams369fg06.o
diff --git a/drivers/video/console/Makefile b/drivers/video/console/Makefile
index eb2cbec52643..db07b784bd2c 100644
--- a/drivers/video/console/Makefile
+++ b/drivers/video/console/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux graphics to console drivers.
 # 5 Aug 1999, James Simmons, <mailto:jsimmons@users.sf.net>
 # Rewritten to use lists instead of if-statements.
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index ee8c81405a7f..8895536a20d6 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux video drivers.
 # 5 Aug 1999, James Simmons, <mailto:jsimmons@users.sf.net>
 # Rewritten to use lists instead of if-statements.
diff --git a/drivers/video/fbdev/amba-clcd-nomadik.h b/drivers/video/fbdev/amba-clcd-nomadik.h
index a24032c8156e..462c31381fa1 100644
--- a/drivers/video/fbdev/amba-clcd-nomadik.h
+++ b/drivers/video/fbdev/amba-clcd-nomadik.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AMBA_CLCD_NOMADIK_H
 #define _AMBA_CLCD_NOMADIK_H
 
diff --git a/drivers/video/fbdev/amba-clcd-versatile.h b/drivers/video/fbdev/amba-clcd-versatile.h
index 4692c3092823..b20baa47e6ad 100644
--- a/drivers/video/fbdev/amba-clcd-versatile.h
+++ b/drivers/video/fbdev/amba-clcd-versatile.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Special local versatile callbacks
  */
diff --git a/drivers/video/fbdev/atafb.h b/drivers/video/fbdev/atafb.h
index 014e05906cb1..2b2675980087 100644
--- a/drivers/video/fbdev/atafb.h
+++ b/drivers/video/fbdev/atafb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VIDEO_ATAFB_H
 #define _VIDEO_ATAFB_H
 
diff --git a/drivers/video/fbdev/atafb_utils.h b/drivers/video/fbdev/atafb_utils.h
index ac9e19dc5057..8f3396ea8ae5 100644
--- a/drivers/video/fbdev/atafb_utils.h
+++ b/drivers/video/fbdev/atafb_utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VIDEO_ATAFB_UTILS_H
 #define _VIDEO_ATAFB_UTILS_H
 
diff --git a/drivers/video/fbdev/aty/Makefile b/drivers/video/fbdev/aty/Makefile
index a6cc0e9ec790..069465c82d6d 100644
--- a/drivers/video/fbdev/aty/Makefile
+++ b/drivers/video/fbdev/aty/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FB_ATY) += atyfb.o
 obj-$(CONFIG_FB_ATY128) += aty128fb.o
 obj-$(CONFIG_FB_RADEON) += radeonfb.o
diff --git a/drivers/video/fbdev/aty/ati_ids.h b/drivers/video/fbdev/aty/ati_ids.h
index 3e9d28bcd9f8..2b589d687b4c 100644
--- a/drivers/video/fbdev/aty/ati_ids.h
+++ b/drivers/video/fbdev/aty/ati_ids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ATI PCI IDs from XFree86, kept here to make sync'ing with
  * XFree much simpler. Currently, this list is only used by
diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
index 63c4842eb224..8235b285dbb2 100644
--- a/drivers/video/fbdev/aty/atyfb.h
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ATI Frame Buffer Device Driver Core Definitions
  */
diff --git a/drivers/video/fbdev/aty/mach64_accel.c b/drivers/video/fbdev/aty/mach64_accel.c
index 182bd680141f..2541a0e0de76 100644
--- a/drivers/video/fbdev/aty/mach64_accel.c
+++ b/drivers/video/fbdev/aty/mach64_accel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /*
  *  ATI Mach64 Hardware Acceleration
diff --git a/drivers/video/fbdev/aty/mach64_ct.c b/drivers/video/fbdev/aty/mach64_ct.c
index 51f29d627ceb..7d3bd723d3d5 100644
--- a/drivers/video/fbdev/aty/mach64_ct.c
+++ b/drivers/video/fbdev/aty/mach64_ct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /*
  *  ATI Mach64 CT/VT/GT/LT Support
diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c
index 2fa0317ab3c7..4cde25eab8e8 100644
--- a/drivers/video/fbdev/aty/mach64_cursor.c
+++ b/drivers/video/fbdev/aty/mach64_cursor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  ATI Mach64 CT/VT/GT/LT Cursor Support
  */
diff --git a/drivers/video/fbdev/aty/mach64_gx.c b/drivers/video/fbdev/aty/mach64_gx.c
index 10c988aef58e..27cb65fa2ba2 100644
--- a/drivers/video/fbdev/aty/mach64_gx.c
+++ b/drivers/video/fbdev/aty/mach64_gx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /*
  *  ATI Mach64 GX Support
diff --git a/drivers/video/fbdev/aty/radeon_accel.c b/drivers/video/fbdev/aty/radeon_accel.c
index a469a3d6edcb..bb147d8bf82d 100644
--- a/drivers/video/fbdev/aty/radeon_accel.c
+++ b/drivers/video/fbdev/aty/radeon_accel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "radeonfb.h"
 
 /* the accelerated functions here are patterned after the 
diff --git a/drivers/video/fbdev/aty/radeon_i2c.c b/drivers/video/fbdev/aty/radeon_i2c.c
index ab1d0fd76316..269b12ebb673 100644
--- a/drivers/video/fbdev/aty/radeon_i2c.c
+++ b/drivers/video/fbdev/aty/radeon_i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "radeonfb.h"
 
 #include <linux/module.h>
diff --git a/drivers/video/fbdev/aty/radeon_monitor.c b/drivers/video/fbdev/aty/radeon_monitor.c
index dd823f5fe4c9..9966c58aa26c 100644
--- a/drivers/video/fbdev/aty/radeon_monitor.c
+++ b/drivers/video/fbdev/aty/radeon_monitor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "radeonfb.h"
 
 #include <linux/slab.h>
diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c
index 1417542738fc..f7c253dd5899 100644
--- a/drivers/video/fbdev/aty/radeon_pm.c
+++ b/drivers/video/fbdev/aty/radeon_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	drivers/video/aty/radeon_pm.c
  *
diff --git a/drivers/video/fbdev/aty/radeonfb.h b/drivers/video/fbdev/aty/radeonfb.h
index 962e31263225..131b34dd65af 100644
--- a/drivers/video/fbdev/aty/radeonfb.h
+++ b/drivers/video/fbdev/aty/radeonfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RADEONFB_H__
 #define __RADEONFB_H__
 
diff --git a/drivers/video/fbdev/carminefb.h b/drivers/video/fbdev/carminefb.h
index 05306de0c6b6..297688eba469 100644
--- a/drivers/video/fbdev/carminefb.h
+++ b/drivers/video/fbdev/carminefb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CARMINE_CARMINE_H
 #define CARMINE_CARMINE_H
 
diff --git a/drivers/video/fbdev/carminefb_regs.h b/drivers/video/fbdev/carminefb_regs.h
index 045215600b73..ae18318d2fc2 100644
--- a/drivers/video/fbdev/carminefb_regs.h
+++ b/drivers/video/fbdev/carminefb_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CARMINEFB_REGS_H
 #define _CARMINEFB_REGS_H
 
diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile
index 73493bbd7a15..d34fd182ca68 100644
--- a/drivers/video/fbdev/core/Makefile
+++ b/drivers/video/fbdev/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FB_CMDLINE)          += fb_cmdline.o
 obj-$(CONFIG_FB_NOTIFY)           += fb_notify.o
 obj-$(CONFIG_FB)                  += fb.o
diff --git a/drivers/video/fbdev/core/fb_draw.h b/drivers/video/fbdev/core/fb_draw.h
index 624ee115f129..e0d829873930 100644
--- a/drivers/video/fbdev/core/fb_draw.h
+++ b/drivers/video/fbdev/core/fb_draw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FB_DRAW_H
 #define _FB_DRAW_H
 
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index 3a010641f630..d1bf9c2a78a7 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Framebuffer driver for EFI/UEFI based system
  *
diff --git a/drivers/video/fbdev/geode/Makefile b/drivers/video/fbdev/geode/Makefile
index 5c98da126883..16ba8a71dc52 100644
--- a/drivers/video/fbdev/geode/Makefile
+++ b/drivers/video/fbdev/geode/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Geode family framebuffer drivers
 
 obj-$(CONFIG_FB_GEODE_GX1) += gx1fb.o
diff --git a/drivers/video/fbdev/i810/Makefile b/drivers/video/fbdev/i810/Makefile
index 96e08c8ded97..3e466510fe05 100644
--- a/drivers/video/fbdev/i810/Makefile
+++ b/drivers/video/fbdev/i810/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Intel 810/815 framebuffer driver
 #
diff --git a/drivers/video/fbdev/intelfb/Makefile b/drivers/video/fbdev/intelfb/Makefile
index f7d631ebee8e..7ff2debb31af 100644
--- a/drivers/video/fbdev/intelfb/Makefile
+++ b/drivers/video/fbdev/intelfb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FB_INTEL) += intelfb.o
 
 intelfb-y := intelfbdrv.o intelfbhw.o
diff --git a/drivers/video/fbdev/intelfb/intelfb.h b/drivers/video/fbdev/intelfb/intelfb.h
index 37f8339ea88c..b54db05f028d 100644
--- a/drivers/video/fbdev/intelfb/intelfb.h
+++ b/drivers/video/fbdev/intelfb/intelfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INTELFB_H
 #define _INTELFB_H
 
diff --git a/drivers/video/fbdev/matrox/g450_pll.h b/drivers/video/fbdev/matrox/g450_pll.h
index aac615d18440..5303336c6547 100644
--- a/drivers/video/fbdev/matrox/g450_pll.h
+++ b/drivers/video/fbdev/matrox/g450_pll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __G450_PLL_H__
 #define __G450_PLL_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.h b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h
index 1e6e45b57b78..3b2a6fd35fff 100644
--- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.h
+++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_DAC1064_H__
 #define __MATROXFB_DAC1064_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.h b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h
index 27872aaa0a17..faee149d0ba0 100644
--- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.h
+++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_TI3026_H__
 #define __MATROXFB_TI3026_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_accel.h b/drivers/video/fbdev/matrox/matroxfb_accel.h
index 1e418e62c22d..a7aa9a1d26c0 100644
--- a/drivers/video/fbdev/matrox/matroxfb_accel.h
+++ b/drivers/video/fbdev/matrox/matroxfb_accel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_ACCEL_H__
 #define __MATROXFB_ACCEL_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h
index 7a90ea2c4613..f85ad25659e5 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.h
+++ b/drivers/video/fbdev/matrox/matroxfb_base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.h b/drivers/video/fbdev/matrox/matroxfb_crtc2.h
index 1005582e843e..23e90e210905 100644
--- a/drivers/video/fbdev/matrox/matroxfb_crtc2.h
+++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_CRTC2_H__
 #define __MATROXFB_CRTC2_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_g450.h b/drivers/video/fbdev/matrox/matroxfb_g450.h
index 3a3e654444b8..b5f17b86eae5 100644
--- a/drivers/video/fbdev/matrox/matroxfb_g450.h
+++ b/drivers/video/fbdev/matrox/matroxfb_g450.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_G450_H__
 #define __MATROXFB_G450_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.h b/drivers/video/fbdev/matrox/matroxfb_maven.h
index 99eddec9f30c..f896b78836b1 100644
--- a/drivers/video/fbdev/matrox/matroxfb_maven.h
+++ b/drivers/video/fbdev/matrox/matroxfb_maven.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_MAVEN_H__
 #define __MATROXFB_MAVEN_H__
 
diff --git a/drivers/video/fbdev/matrox/matroxfb_misc.h b/drivers/video/fbdev/matrox/matroxfb_misc.h
index 351c823f1f74..9cb6686d309e 100644
--- a/drivers/video/fbdev/matrox/matroxfb_misc.h
+++ b/drivers/video/fbdev/matrox/matroxfb_misc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MATROXFB_MISC_H__
 #define __MATROXFB_MISC_H__
 
diff --git a/drivers/video/fbdev/mb862xx/mb862xx_reg.h b/drivers/video/fbdev/mb862xx/mb862xx_reg.h
index 9df48b8edc94..e6d0513958c2 100644
--- a/drivers/video/fbdev/mb862xx/mb862xx_reg.h
+++ b/drivers/video/fbdev/mb862xx/mb862xx_reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Fujitsu MB862xx Graphics Controller Registers/Bits
  */
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb.h b/drivers/video/fbdev/mb862xx/mb862xxfb.h
index 8550630c1e01..50bc9b584ca1 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfb.h
+++ b/drivers/video/fbdev/mb862xx/mb862xxfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MB862XX_H__
 #define __MB862XX_H__
 
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h
index 96a2dfef0f60..3a2549f9a48f 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h
+++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MB826XXFB_ACCEL_H__
 #define __MB826XXFB_ACCEL_H__
 
diff --git a/drivers/video/fbdev/mbx/mbxdebugfs.c b/drivers/video/fbdev/mbx/mbxdebugfs.c
index 2528d3e609a4..2bd328883178 100644
--- a/drivers/video/fbdev/mbx/mbxdebugfs.c
+++ b/drivers/video/fbdev/mbx/mbxdebugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 
diff --git a/drivers/video/fbdev/mbx/reg_bits.h b/drivers/video/fbdev/mbx/reg_bits.h
index 5f14b4befd71..6607f353639b 100644
--- a/drivers/video/fbdev/mbx/reg_bits.h
+++ b/drivers/video/fbdev/mbx/reg_bits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __REG_BITS_2700G_
 #define __REG_BITS_2700G_
 
diff --git a/drivers/video/fbdev/mbx/regs.h b/drivers/video/fbdev/mbx/regs.h
index 063099d48839..591fc9d26084 100644
--- a/drivers/video/fbdev/mbx/regs.h
+++ b/drivers/video/fbdev/mbx/regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __REGS_2700G_
 #define __REGS_2700G_
 
diff --git a/drivers/video/fbdev/mmp/panel/Kconfig b/drivers/video/fbdev/mmp/panel/Kconfig
index 4b2c4f457b11..808890f7064b 100644
--- a/drivers/video/fbdev/mmp/panel/Kconfig
+++ b/drivers/video/fbdev/mmp/panel/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MMP_PANEL_TPOHVGA
 	bool "tpohvga panel TJ032MD01BW support"
 	depends on SPI_MASTER
diff --git a/drivers/video/fbdev/nvidia/Makefile b/drivers/video/fbdev/nvidia/Makefile
index 917d3eb05feb..cdd6e8ac454a 100644
--- a/drivers/video/fbdev/nvidia/Makefile
+++ b/drivers/video/fbdev/nvidia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the nVidia framebuffer driver
 #
diff --git a/drivers/video/fbdev/nvidia/nv_proto.h b/drivers/video/fbdev/nvidia/nv_proto.h
index 878a5ce02299..fb9c5ebf2958 100644
--- a/drivers/video/fbdev/nvidia/nv_proto.h
+++ b/drivers/video/fbdev/nvidia/nv_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_proto.h,v 1.10 2003/07/31 20:24:29 mvojkovi Exp $ */
 
 #ifndef __NV_PROTO_H__
diff --git a/drivers/video/fbdev/nvidia/nv_type.h b/drivers/video/fbdev/nvidia/nv_type.h
index 6ff321a36813..d7a1d4363d5f 100644
--- a/drivers/video/fbdev/nvidia/nv_type.h
+++ b/drivers/video/fbdev/nvidia/nv_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NV_TYPE_H__
 #define __NV_TYPE_H__
 
diff --git a/drivers/video/fbdev/omap/Makefile b/drivers/video/fbdev/omap/Makefile
index 732e0718be53..daaa73a94e7f 100644
--- a/drivers/video/fbdev/omap/Makefile
+++ b/drivers/video/fbdev/omap/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the OMAP1 framebuffer device driver
 #
diff --git a/drivers/video/fbdev/omap/lcdc.h b/drivers/video/fbdev/omap/lcdc.h
index 845222270db3..8a7607d861c1 100644
--- a/drivers/video/fbdev/omap/lcdc.h
+++ b/drivers/video/fbdev/omap/lcdc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LCDC_H
 #define LCDC_H
 
diff --git a/drivers/video/fbdev/omap2/omapfb/Makefile b/drivers/video/fbdev/omap2/omapfb/Makefile
index ad68ecf141af..602edfed09df 100644
--- a/drivers/video/fbdev/omap2/omapfb/Makefile
+++ b/drivers/video/fbdev/omap2/omapfb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
 obj-y += dss/
 obj-y += displays/
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/Makefile b/drivers/video/fbdev/omap2/omapfb/displays/Makefile
index 4f7459272256..f801762ce455 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/Makefile
+++ b/drivers/video/fbdev/omap2/omapfb/displays/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FB_OMAP2_ENCODER_OPA362) += encoder-opa362.o
 obj-$(CONFIG_FB_OMAP2_ENCODER_TFP410) += encoder-tfp410.o
 obj-$(CONFIG_FB_OMAP2_ENCODER_TPD12S015) += encoder-tpd12s015.o
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
index 27d220212870..6d0bb27e4f85 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
+++ b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config FB_OMAP2_DSS_INIT
 	bool
 
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Makefile b/drivers/video/fbdev/omap2/omapfb/dss/Makefile
index 02308e24f3ef..7318d5260e8d 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/Makefile
+++ b/drivers/video/fbdev/omap2/omapfb/dss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FB_OMAP2_DSS_INIT) += omapdss-boot-init.o
 obj-$(CONFIG_FB_OMAP2_DSS) += omapdss.o
 # Core DSS files
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
index 189a5ad125a3..f13d7639826d 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #define DSS_SUBSYS_NAME "HDMI"
 
diff --git a/drivers/video/fbdev/pxa168fb.h b/drivers/video/fbdev/pxa168fb.h
index eee09279c524..2aba90de1360 100644
--- a/drivers/video/fbdev/pxa168fb.h
+++ b/drivers/video/fbdev/pxa168fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PXA168FB_H__
 #define __PXA168FB_H__
 
diff --git a/drivers/video/fbdev/pxa3xx-gcu.h b/drivers/video/fbdev/pxa3xx-gcu.h
index 0428ed03dc49..ea9489d16de5 100644
--- a/drivers/video/fbdev/pxa3xx-gcu.h
+++ b/drivers/video/fbdev/pxa3xx-gcu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PXA3XX_GCU_H__
 #define __PXA3XX_GCU_H__
 
diff --git a/drivers/video/fbdev/riva/Makefile b/drivers/video/fbdev/riva/Makefile
index 8898c9915b02..bdbdd6eb80ec 100644
--- a/drivers/video/fbdev/riva/Makefile
+++ b/drivers/video/fbdev/riva/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Riva framebuffer driver
 #
diff --git a/drivers/video/fbdev/riva/nv_type.h b/drivers/video/fbdev/riva/nv_type.h
index a69480c9a67c..51937a0ae0a4 100644
--- a/drivers/video/fbdev/riva/nv_type.h
+++ b/drivers/video/fbdev/riva/nv_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_type.h,v 1.35 2002/08/05 20:47:06 mvojkovi Exp $ */
 
 #ifndef __NV_STRUCT_H__
diff --git a/drivers/video/fbdev/riva/rivafb.h b/drivers/video/fbdev/riva/rivafb.h
index 61fd37ca490a..593297ca2b20 100644
--- a/drivers/video/fbdev/riva/rivafb.h
+++ b/drivers/video/fbdev/riva/rivafb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RIVAFB_H
 #define __RIVAFB_H
 
diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
index a350209ffbd3..af6fc97f4ba4 100644
--- a/drivers/video/fbdev/sbuslib.c
+++ b/drivers/video/fbdev/sbuslib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* sbuslib.c: Helper library for SBUS framebuffer drivers.
  *
  * Copyright (C) 2003 David S. Miller (davem@redhat.com)
diff --git a/drivers/video/fbdev/sbuslib.h b/drivers/video/fbdev/sbuslib.h
index 7ba3250236bd..a6b9a2467646 100644
--- a/drivers/video/fbdev/sbuslib.h
+++ b/drivers/video/fbdev/sbuslib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sbuslib.h: SBUS fb helper library interfaces */
 #ifndef _SBUSLIB_H
 #define _SBUSLIB_H
diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.h b/drivers/video/fbdev/sh_mobile_lcdcfb.h
index f839adef1d90..cc52c74721fe 100644
--- a/drivers/video/fbdev/sh_mobile_lcdcfb.h
+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SH_MOBILE_LCDCFB_H
 #define SH_MOBILE_LCDCFB_H
 
diff --git a/drivers/video/fbdev/sticore.h b/drivers/video/fbdev/sticore.h
index af1619536ac8..fb8f58f9867a 100644
--- a/drivers/video/fbdev/sticore.h
+++ b/drivers/video/fbdev/sticore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef STICORE_H
 #define STICORE_H
 
diff --git a/drivers/video/fbdev/via/Makefile b/drivers/video/fbdev/via/Makefile
index 159f26e6adb5..771a0eee7fb4 100644
--- a/drivers/video/fbdev/via/Makefile
+++ b/drivers/video/fbdev/via/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the VIA framebuffer driver (for Linux Kernel 2.6)
 #
diff --git a/drivers/video/fbdev/wmt_ge_rops.h b/drivers/video/fbdev/wmt_ge_rops.h
index f73ec6377a46..8d9ed8a51a79 100644
--- a/drivers/video/fbdev/wmt_ge_rops.h
+++ b/drivers/video/fbdev/wmt_ge_rops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_FB_WMT_GE_ROPS
 
 extern void wmt_ge_fillrect(struct fb_info *info,
diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile
index 3b437813584c..6194373ee424 100644
--- a/drivers/video/logo/Makefile
+++ b/drivers/video/logo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux logos
 
 obj-$(CONFIG_LOGO)			+= logo.o
diff --git a/drivers/virtio/Makefile b/drivers/virtio/Makefile
index 41e30e3dc842..3a2b5c5dcf46 100644
--- a/drivers/virtio/Makefile
+++ b/drivers/virtio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VIRTIO) += virtio.o virtio_ring.o
 obj-$(CONFIG_VIRTIO_MMIO) += virtio_mmio.o
 obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o
diff --git a/drivers/vme/vme_bridge.h b/drivers/vme/vme_bridge.h
index 2662e916b96a..42ecf961004e 100644
--- a/drivers/vme/vme_bridge.h
+++ b/drivers/vme/vme_bridge.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VME_BRIDGE_H_
 #define _VME_BRIDGE_H_
 
diff --git a/drivers/w1/masters/Makefile b/drivers/w1/masters/Makefile
index c5a3e96fcbab..18954cae4256 100644
--- a/drivers/w1/masters/Makefile
+++ b/drivers/w1/masters/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for 1-wire bus master drivers.
 #
diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile
index 36b22fb2d3a1..79c611ce5f18 100644
--- a/drivers/w1/slaves/Makefile
+++ b/drivers/w1/slaves/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Dallas's 1-wire slaves.
 #
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 56adf9fa67d0..715a21078e0c 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the WatchDog device drivers.
 #
diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h
index 3c57b45537a2..7b82a7c6e7c3 100644
--- a/drivers/watchdog/iTCO_vendor.h
+++ b/drivers/watchdog/iTCO_vendor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* iTCO Vendor Specific Support hooks */
 #ifdef CONFIG_ITCO_VENDOR_SUPPORT
 extern void iTCO_vendor_pre_start(struct resource *, unsigned int);
diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h
index 2b28c00da0df..1af4dee71337 100644
--- a/drivers/watchdog/sp5100_tco.h
+++ b/drivers/watchdog/sp5100_tco.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	sp5100_tco:	TCO timer driver for sp5100 chipsets.
  *
diff --git a/drivers/watchdog/watchdog_pretimeout.h b/drivers/watchdog/watchdog_pretimeout.h
index a5a32b39c56d..a3f1abc68839 100644
--- a/drivers/watchdog/watchdog_pretimeout.h
+++ b/drivers/watchdog/watchdog_pretimeout.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WATCHDOG_PRETIMEOUT_H
 #define __WATCHDOG_PRETIMEOUT_H
 
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index caaa15dc37bc..d3930ecaf11d 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
 obj-$(CONFIG_X86)			+= fallback.o
 obj-y	+= grant-table.o features.o balloon.o manage.o preempt.o time.o
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index 1bdd02a6d6ac..30d7f52eb7ca 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bio.h>
 #include <linux/io.h>
 #include <linux/export.h>
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 0003912a8111..d4265c8ebb22 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt
 
 #include <linux/notifier.h>
diff --git a/drivers/xen/events/events_2l.c b/drivers/xen/events/events_2l.c
index bdff01095f54..8edef51c92e5 100644
--- a/drivers/xen/events/events_2l.c
+++ b/drivers/xen/events/events_2l.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen event channels (2-level ABI)
  *
diff --git a/drivers/xen/time.c b/drivers/xen/time.c
index ac5f23fcafc2..a63fedbdcbe9 100644
--- a/drivers/xen/time.c
+++ b/drivers/xen/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xen stolen ticks accounting.
  */
diff --git a/drivers/xen/xen-pciback/Makefile b/drivers/xen/xen-pciback/Makefile
index ffe0ad3438bd..e8d981d43235 100644
--- a/drivers/xen/xen-pciback/Makefile
+++ b/drivers/xen/xen-pciback/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_XEN_PCIDEV_BACKEND) += xen-pciback.o
 
 xen-pciback-y := pci_stub.o pciback_ops.o xenbus.o
diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
index 9e9286d0872e..60111719b01f 100644
--- a/drivers/xen/xen-pciback/conf_space.c
+++ b/drivers/xen/xen-pciback/conf_space.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Functions for creating a virtual configuration space for
  *               exported PCI Devices.
diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
index 62461a8ba1d6..22db630717ea 100644
--- a/drivers/xen/xen-pciback/conf_space.h
+++ b/drivers/xen/xen-pciback/conf_space.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PCI Backend - Common data structures for overriding the configuration space
  *
diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c
index 7f83e9083e9d..73427d8e0116 100644
--- a/drivers/xen/xen-pciback/conf_space_capability.c
+++ b/drivers/xen/xen-pciback/conf_space_capability.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Handles the virtual fields found on the capability lists
  *               in the configuration space.
diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
index 5b3d57fc82d3..10ae24b5a76e 100644
--- a/drivers/xen/xen-pciback/conf_space_header.c
+++ b/drivers/xen/xen-pciback/conf_space_header.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Handles the virtual fields in the configuration space headers.
  *
diff --git a/drivers/xen/xen-pciback/conf_space_quirks.c b/drivers/xen/xen-pciback/conf_space_quirks.c
index 7476791cab40..89d9744ece61 100644
--- a/drivers/xen/xen-pciback/conf_space_quirks.c
+++ b/drivers/xen/xen-pciback/conf_space_quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Handle special overlays for broken devices.
  *
diff --git a/drivers/xen/xen-pciback/conf_space_quirks.h b/drivers/xen/xen-pciback/conf_space_quirks.h
index cfcc517e4570..d873abe35bf6 100644
--- a/drivers/xen/xen-pciback/conf_space_quirks.h
+++ b/drivers/xen/xen-pciback/conf_space_quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PCI Backend - Data structures for special overlays for broken devices.
  *
diff --git a/drivers/xen/xen-pciback/passthrough.c b/drivers/xen/xen-pciback/passthrough.c
index f16a30e2a110..66e9b814cc86 100644
--- a/drivers/xen/xen-pciback/passthrough.c
+++ b/drivers/xen/xen-pciback/passthrough.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Provides restricted access to the real PCI bus topology
  *               to the frontend
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index 7af369b6aaa2..263c059bff90 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PCI Backend Common Data Structures & Function Declarations
  *
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index f8c77751f330..ee2c891b55c6 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend Operations - respond to PCI requests from Frontend
  *
diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
index c99f8bb1c56c..f6ba18191c0f 100644
--- a/drivers/xen/xen-pciback/vpci.c
+++ b/drivers/xen/xen-pciback/vpci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend - Provides a Virtual PCI bus (with real devices)
  *               to the frontend
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 3814b44bf1f7..581c4e1a8b82 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI Backend Xenbus Setup - handles setup with frontend and xend
  *
diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c
index a67e955cacd1..55988b8418ee 100644
--- a/drivers/xen/xen-selfballoon.c
+++ b/drivers/xen/xen-selfballoon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /******************************************************************************
  * Xen selfballoon driver (and optional frontswap self-shrinking driver)
  *
diff --git a/drivers/xen/xenbus/Makefile b/drivers/xen/xenbus/Makefile
index 31e2e9050c7a..0c7532110815 100644
--- a/drivers/xen/xenbus/Makefile
+++ b/drivers/xen/xenbus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y	+= xenbus.o
 obj-y	+= xenbus_dev_frontend.o
 
diff --git a/drivers/xen/xenbus/xenbus_dev_backend.c b/drivers/xen/xenbus/xenbus_dev_backend.c
index 1126701e212e..edba5fecde4d 100644
--- a/drivers/xen/xenbus/xenbus_dev_backend.c
+++ b/drivers/xen/xenbus/xenbus_dev_backend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/slab.h>
diff --git a/drivers/xen/xenfs/xenfs.h b/drivers/xen/xenfs/xenfs.h
index 2c5934ea9b1e..cfe4874b83a7 100644
--- a/drivers/xen/xenfs/xenfs.h
+++ b/drivers/xen/xenfs/xenfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XENFS_XENBUS_H
 #define _XENFS_XENBUS_H
 
diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c
index 82fd2a396d96..f59235f9f8a2 100644
--- a/drivers/xen/xenfs/xenstored.c
+++ b/drivers/xen/xenfs/xenstored.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/mm.h>
diff --git a/drivers/xen/xenfs/xensyms.c b/drivers/xen/xenfs/xensyms.c
index c6e2b4a542ea..c6c73a33c44d 100644
--- a/drivers/xen/xenfs/xensyms.c
+++ b/drivers/xen/xenfs/xensyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/seq_file.h>
 #include <linux/fs.h>
diff --git a/drivers/zorro/Makefile b/drivers/zorro/Makefile
index 7dc5332ff984..b360ac4ea846 100644
--- a/drivers/zorro/Makefile
+++ b/drivers/zorro/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Zorro bus specific drivers.
 #
diff --git a/drivers/zorro/gen-devlist.c b/drivers/zorro/gen-devlist.c
index 16fe206f9998..e325c5ce995b 100644
--- a/drivers/zorro/gen-devlist.c
+++ b/drivers/zorro/gen-devlist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Generate devlist.h from the Zorro ID file.
  *
diff --git a/drivers/zorro/names.c b/drivers/zorro/names.c
index 83eedddbb794..fa3c83dbe843 100644
--- a/drivers/zorro/names.c
+++ b/drivers/zorro/names.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Zorro Device Name Tables
  *
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index 05397305fccd..df05a26ab8d8 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Procfs interface for the Zorro bus.
  *
diff --git a/drivers/zorro/zorro.h b/drivers/zorro/zorro.h
index 4f805c01cfbc..ac0bab3412d9 100644
--- a/drivers/zorro/zorro.h
+++ b/drivers/zorro/zorro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifdef CONFIG_ZORRO_NAMES
 extern void zorro_name_device(struct zorro_dev *z);
diff --git a/firmware/Makefile b/firmware/Makefile
index fa0808853883..168094a3fae7 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # kbuild file for firmware/
 #
diff --git a/fs/9p/Makefile b/fs/9p/Makefile
index 9619ccadd2fc..e7800a5c7395 100644
--- a/fs/9p/Makefile
+++ b/fs/9p/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_9P_FS) := 9p.o
 
 9p-objs := \
diff --git a/fs/Makefile b/fs/Makefile
index 7bbaca9c67b1..ef772f1eaff8 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux filesystems.
 #
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index fadf408bdd46..c76db75f02aa 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fs.h>
 #include <linux/adfs_fs.h>
 
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 46c0d5671cd5..754afb14a6ff 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/adfs/file.c
  *
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 773749be8290..a92eb6ae2ae2 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef pr_fmt
 #undef pr_fmt
 #endif
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 8cf941c3b511..185d5ab7e986 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/amigaffs.c
  *
diff --git a/fs/affs/amigaffs.h b/fs/affs/amigaffs.h
index 43b41c06aa37..f9bef9056659 100644
--- a/fs/affs/amigaffs.h
+++ b/fs/affs/amigaffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AMIGAFFS_H
 #define AMIGAFFS_H
 
diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c
index 2b2112475ec2..2b1399611d9e 100644
--- a/fs/affs/bitmap.c
+++ b/fs/affs/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/bitmap.c
  *
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 591ecd7f3063..a105e77df2c1 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/dir.c
  *
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 00331810f690..a85817f54483 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/file.c
  *
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index fd4ef3c40e40..73598bff8506 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/inode.c
  *
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 46d3ace6761d..d8aa0ae3d037 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/namei.c
  *
diff --git a/fs/affs/symlink.c b/fs/affs/symlink.c
index ae622cdce142..a7531b26e8f0 100644
--- a/fs/affs/symlink.c
+++ b/fs/affs/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/affs/symlink.c
  *
diff --git a/fs/afs/Makefile b/fs/afs/Makefile
index 095c54165dfd..641148208e90 100644
--- a/fs/afs/Makefile
+++ b/fs/afs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Red Hat Linux AFS client.
 #
diff --git a/fs/afs/netdevices.c b/fs/afs/netdevices.c
index 40b2bab3e401..50bd5bb1c4fb 100644
--- a/fs/afs/netdevices.c
+++ b/fs/afs/netdevices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* AFS network device helpers
  *
  * Copyright (c) 2007 Patrick McHardy <kaber@trash.net>
diff --git a/fs/attr.c b/fs/attr.c
index 135304146120..12ffdb6fb63c 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/attr.c
  *
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index bb53728c7a31..213b51dbbb60 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/bad_inode.c
  *
diff --git a/fs/befs/befs.h b/fs/befs/befs.h
index b914cfb03820..7cd47245694d 100644
--- a/fs/befs/befs.h
+++ b/fs/befs/befs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * befs.h
  *
diff --git a/fs/befs/befs_fs_types.h b/fs/befs/befs_fs_types.h
index 69c9d8cde955..8019fde814b7 100644
--- a/fs/befs/befs_fs_types.h
+++ b/fs/befs/befs_fs_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fs/befs/befs_fs_types.h
  *
diff --git a/fs/befs/btree.h b/fs/befs/btree.h
index 60c6c728e64e..a253a6276d8e 100644
--- a/fs/befs/btree.h
+++ b/fs/befs/btree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * btree.h
  *
diff --git a/fs/befs/datastream.c b/fs/befs/datastream.c
index 720b3bc5c16a..97719a7c7e40 100644
--- a/fs/befs/datastream.c
+++ b/fs/befs/datastream.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/befs/datastream.c
  *
diff --git a/fs/befs/datastream.h b/fs/befs/datastream.h
index 7ff9ff09ec6e..39b1d4766ccf 100644
--- a/fs/befs/datastream.h
+++ b/fs/befs/datastream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * datastream.h
  *
diff --git a/fs/befs/debug.c b/fs/befs/debug.c
index 36656c86f50e..eb7bd6c692c7 100644
--- a/fs/befs/debug.c
+++ b/fs/befs/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/befs/debug.c
  *
diff --git a/fs/befs/endian.h b/fs/befs/endian.h
index 27223878ba9f..bb55a54c24c0 100644
--- a/fs/befs/endian.h
+++ b/fs/befs/endian.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/befs/endian.h
  *
diff --git a/fs/befs/inode.c b/fs/befs/inode.c
index 5367a6470a69..791b46a6f2f9 100644
--- a/fs/befs/inode.c
+++ b/fs/befs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * inode.c
  *
diff --git a/fs/befs/io.c b/fs/befs/io.c
index 227cb86e07fe..2caf50a4abbe 100644
--- a/fs/befs/io.c
+++ b/fs/befs/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/befs/io.c
  *
diff --git a/fs/bfs/bfs.h b/fs/bfs/bfs.h
index f40006db36df..67aef3bb89e4 100644
--- a/fs/bfs/bfs.h
+++ b/fs/bfs/bfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	fs/bfs/bfs.h
  *	Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com>
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 3e5ac30e8b6f..ee832ca5f734 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	fs/bfs/dir.c
  *	BFS directory operations.
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index 97f1b5160155..1476cdd90cfb 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	fs/bfs/file.c
  *	BFS file operations.
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 475d083f8088..5d6b94475f27 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /****************************************************************************/
 /*
  *  linux/fs/binfmt_flat.c
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 962a95aefb81..f2cd9dedb037 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_BTRFS_FS) := btrfs.o
 
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index fa66980726c9..3aeb5770f896 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/types.h>
 #include "ctree.h"
diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h
index 074348a95841..91b3908e7c54 100644
--- a/fs/btrfs/export.h
+++ b/fs/btrfs/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BTRFS_EXPORT_H
 #define BTRFS_EXPORT_H
 
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 970190cd347e..7fa50e12f18e 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include <linux/bio.h>
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index faffa28ba707..e5535bbe6953 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __EXTENTIO__
 #define __EXTENTIO__
 
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 69850155870c..2e348fb0b280 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index a67b2def5413..64365bbc9b16 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __EXTENTMAP__
 #define __EXTENTMAP__
 
diff --git a/fs/btrfs/inode-map.h b/fs/btrfs/inode-map.h
index c8e864b2d530..6734ec92a1e9 100644
--- a/fs/btrfs/inode-map.h
+++ b/fs/btrfs/inode-map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BTRFS_INODE_MAP
 #define __BTRFS_INODE_MAP
 
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index d7da1a4c2f6c..4cb908305e5d 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BTRFS_SYSFS_H_
 #define _BTRFS_SYSFS_H_
 
diff --git a/fs/cachefiles/Makefile b/fs/cachefiles/Makefile
index 32cbab0ffce3..891dedda5905 100644
--- a/fs/cachefiles/Makefile
+++ b/fs/cachefiles/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for caching in a mounted filesystem
 #
diff --git a/fs/ceph/Makefile b/fs/ceph/Makefile
index 85a4230b9bff..174f5709e508 100644
--- a/fs/ceph/Makefile
+++ b/fs/ceph/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for CEPH filesystem.
 #
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b3e3edc09d80..4d622654bfbc 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/backing-dev.h>
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 157fe59fbabe..115a27d44bac 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/fs.h>
diff --git a/fs/ceph/ceph_frag.c b/fs/ceph/ceph_frag.c
index bdce8b1fbd06..6f67d5b884a0 100644
--- a/fs/ceph/ceph_frag.c
+++ b/fs/ceph/ceph_frag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Ceph 'frag' type
  */
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index d635496ea189..644def813754 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/device.h>
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 019c2036d36f..8a5266699b67 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/spinlock.h>
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 7df550c13d7f..3c59ad180ef0 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/exportfs.h>
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 65a6fa12c857..5c17125f45c7 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/module.h>
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 373dab5173ca..f2550a076edc 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/module.h>
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 4c9c72f26eb9..851aa69ec8f0 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 #include <linux/in.h>
 
diff --git a/fs/ceph/ioctl.h b/fs/ceph/ioctl.h
index c77028afb1e1..51f7f1d39a94 100644
--- a/fs/ceph/ioctl.h
+++ b/fs/ceph/ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_CEPH_IOCTL_H
 #define FS_CEPH_IOCTL_H
 
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 8cd63e8123d8..e7cce412f2cf 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/file.h>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index f23c820daaed..0687ab3c3267 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/fs.h>
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 636d6b2ec49c..837ac4b087a0 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_MDS_CLIENT_H
 #define _FS_CEPH_MDS_CLIENT_H
 
diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c
index 33ced4c22732..44e53abeb32a 100644
--- a/fs/ceph/mdsmap.c
+++ b/fs/ceph/mdsmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/bug.h>
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 7fc0b850c352..8a2ca41e4b97 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/sort.h>
diff --git a/fs/ceph/strings.c b/fs/ceph/strings.c
index 913dea163d5c..4a79f3632260 100644
--- a/fs/ceph/strings.c
+++ b/fs/ceph/strings.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Ceph fs string constants
  */
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 279a2f401cf5..3e27a28aa44a 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_SUPER_H
 #define _FS_CEPH_SUPER_H
 
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 3542b2c364cf..e1c4e0b12b4c 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 #include <linux/ceph/pagelist.h>
 
diff --git a/fs/char_dev.c b/fs/char_dev.c
index ebcc8fb3fa66..a65e4a56318c 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/char_dev.c
  *
diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile
index 5e853a395b92..7134f182720b 100644
--- a/fs/cifs/Makefile
+++ b/fs/cifs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Linux CIFS VFS client 
 #
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 5bb630a769e0..201fc08a8b4f 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Cache operations for Coda.
  * For Linux 2.1: (C) 1997 Carnegie Mellon University
diff --git a/fs/coda/cnode.c b/fs/coda/cnode.c
index f13e09057c6b..845b5a66952a 100644
--- a/fs/coda/cnode.c
+++ b/fs/coda/cnode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* cnode related routines for the coda kernel code
    (C) 1996 Peter Braam
    */
diff --git a/fs/coda/coda_cache.h b/fs/coda/coda_cache.h
index c910b5eb1ceb..c9f7a77c013e 100644
--- a/fs/coda/coda_cache.h
+++ b/fs/coda/coda_cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Coda filesystem -- Linux Minicache
  *
  * Copyright (C) 1989 - 1997 Carnegie Mellon University
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h
index c64075213218..d702ba1a2bf9 100644
--- a/fs/coda/coda_fs_i.h
+++ b/fs/coda/coda_fs_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  coda_fs_i.h
  *
diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h
index 381c993b1427..bb0b3e0ed6c2 100644
--- a/fs/coda/coda_int.h
+++ b/fs/coda/coda_int.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CODA_INT_
 #define _CODA_INT_
 
diff --git a/fs/coda/coda_linux.c b/fs/coda/coda_linux.c
index f1714cfb589c..ca599df0dcb1 100644
--- a/fs/coda/coda_linux.c
+++ b/fs/coda/coda_linux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Inode operations for Coda filesystem
  * Original version: (C) 1996 P. Braam and M. Callahan
diff --git a/fs/coda/coda_linux.h b/fs/coda/coda_linux.h
index d3c361883c28..126155cadfa9 100644
--- a/fs/coda/coda_linux.h
+++ b/fs/coda/coda_linux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * Coda File System, Linux Kernel module
  * 
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 274ab5586dd0..00876ddadb43 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /*
  * Directory operations for Coda filesystem
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 363402fcb3ed..1cbc1f2298ee 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File operations for Coda.
  * Original version: (C) 1996 Peter Braam 
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 6058df380cc0..6f0a6a4d5faa 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Super block/filesystem wide operations
  *
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index b0b9cda41928..e0c17b7dccce 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Pioctl operations for Coda.
  * Original version: (C) 1996 Peter Braam
diff --git a/fs/coda/symlink.c b/fs/coda/symlink.c
index 03736e20d720..202297d156df 100644
--- a/fs/coda/symlink.c
+++ b/fs/coda/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Symlink inode operations for Coda filesystem
  * Original version: (C) 1996 P. Braam and M. Callahan
diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c
index 34218a8a28cd..0301d45000a8 100644
--- a/fs/coda/sysctl.c
+++ b/fs/coda/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Sysctl operations for Coda filesystem
  * Original version: (C) 1996 P. Braam and M. Callahan
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index e82357c89979..a37f003530d7 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Mostly platform independent upcall operations to Venus:
  *  -- upcalls
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index d27b326d96f4..bd5d91e119ca 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
  *
diff --git a/fs/coredump.c b/fs/coredump.c
index 0eec03696707..52c63d6c9143 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/file.h>
 #include <linux/fdtable.h>
diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index ec4f1d4fdad0..975d98fc26b5 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * uncompress.c
  *
diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c
index 483784d5eb73..0d5e6a569d58 100644
--- a/fs/crypto/bio.c
+++ b/fs/crypto/bio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This contains encryption functions for per-file encryption.
  *
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index ad9f814fdead..8606da1df0aa 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This contains functions for filename crypto management
  *
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index a1d5021c31ef..092e9dad1414 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fscrypt_private.h
  *
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c
index 8e704d12a1cf..a38630214058 100644
--- a/fs/crypto/keyinfo.c
+++ b/fs/crypto/keyinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * key management facility for FS encryption support.
  *
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index ce07a86200f3..a120649beeca 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Encryption policy functions for per-file encryption support.
  *
diff --git a/fs/dlm/Makefile b/fs/dlm/Makefile
index ca1c9124c8ce..3545fdafc6fb 100644
--- a/fs/dlm/Makefile
+++ b/fs/dlm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DLM) +=		dlm.o
 dlm-y :=			ast.o \
 				config.o \
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index d72d52b90433..82377017130f 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the manual drop-all-pagecache function
  */
diff --git a/fs/efs/dir.c b/fs/efs/dir.c
index a7be96e5f1cb..f892ac7c2a35 100644
--- a/fs/efs/dir.c
+++ b/fs/efs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dir.c
  *
diff --git a/fs/efs/efs.h b/fs/efs/efs.h
index 70f5d4f9a945..13a4d9622633 100644
--- a/fs/efs/efs.h
+++ b/fs/efs/efs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 1999 Al Smith
  *
diff --git a/fs/efs/file.c b/fs/efs/file.c
index a37dcee46866..9e641da6fab2 100644
--- a/fs/efs/file.c
+++ b/fs/efs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * file.c
  *
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index d34a40edcdb2..38961ee1d1af 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * namei.c
  *
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 5c42f1e34a2f..65b59009555b 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * super.c
  *
diff --git a/fs/efs/symlink.c b/fs/efs/symlink.c
index 4870cc82deb0..923eb91654d5 100644
--- a/fs/efs/symlink.c
+++ b/fs/efs/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * symlink.c
  *
diff --git a/fs/ext2/Makefile b/fs/ext2/Makefile
index 445b0e996a12..311479d864a7 100644
--- a/fs/ext2/Makefile
+++ b/fs/ext2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ext2-filesystem routines.
 #
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 51f0aea70cb4..224c04abb2e5 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/acl.c
  *
diff --git a/fs/ext2/acl.h b/fs/ext2/acl.h
index 44937f9fcf32..0f01c759daac 100644
--- a/fs/ext2/acl.h
+++ b/fs/ext2/acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: fs/ext2/acl.h
 
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index d0bdb74f0e15..e1b3724bebf2 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/balloc.c
  *
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index e2709695b177..987647986f47 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/dir.c
  *
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 28de3edd4f4d..032295e1d386 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1992, 1993, 1994, 1995
  * Remy Card (card@masi.ibp.fr)
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index ff3a3636a5ca..c67b486488fd 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/file.c
  *
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 395fc074c0db..a1fc3dabca41 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/ialloc.c
  *
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 4dca6f348714..1442a4c734c8 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/inode.c
  *
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 087f122cca42..0367c0039e68 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/ioctl.c
  *
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 814e405a2da6..e078075dc66f 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/namei.c
  *
diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
index eeffb0138a17..d5589ddcc281 100644
--- a/fs/ext2/symlink.c
+++ b/fs/ext2/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext2/symlink.c
  *
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 1b9b1268d418..62d9a659a8ff 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/xattr.c
  *
diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index 6f82ab1b00ca..cee888cdc235 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: linux/ext2_xattr.h
 
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index 7b9e9c1842d5..9a682e440acb 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/xattr_security.c
  * Handler for storing security labels as extended attributes.
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 65049b71af13..49add1107850 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/xattr_trusted.c
  * Handler for trusted extended attributes.
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index fb2f992ae763..c243a3b4d69d 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext2/xattr_user.c
  * Handler for extended user attributes.
diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile
index d9beca1653c5..8fdfcd3c3e04 100644
--- a/fs/ext4/Makefile
+++ b/fs/ext4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ext4-filesystem routines.
 #
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 46ff2229ff5e..fb50f9aa6ead 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/acl.c
  *
diff --git a/fs/ext4/acl.h b/fs/ext4/acl.h
index da2c79577d72..a48fc5ae2701 100644
--- a/fs/ext4/acl.h
+++ b/fs/ext4/acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: fs/ext4/acl.h
 
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index e04ec868e37e..d5ddfb96c83c 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/balloc.c
  *
diff --git a/fs/ext4/bitmap.c b/fs/ext4/bitmap.c
index 4a606afb171f..f63e028c638c 100644
--- a/fs/ext4/bitmap.c
+++ b/fs/ext4/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/bitmap.c
  *
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index fdb19543af1e..bee888e0e2db 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/block_validity.c
  *
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index b04e882179c6..d5babc9f222b 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/dir.c
  *
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index e2abe01c8c6b..58a0304566db 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ext4.h
  *
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 5b342ac67d2e..2d593201cf7a 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Interface between ext4 and JBD
  */
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index e7f12a204cbc..763ef185dd17 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/ext4/extents_status.c
  *
diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h
index f7aa24f4642d..ca90fc96f47e 100644
--- a/fs/ext4/extents_status.h
+++ b/fs/ext4/extents_status.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/ext4/extents_status.h
  *
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index b1da660ac3bc..5cb9aa3ad249 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/file.c
  *
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index f9230580a84b..26a7fe5c4fd3 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/fsync.c
  *
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index ee823022aa34..c5f697a3fad4 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/ialloc.c
  *
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 7ffa290cbb8e..c32802c956d5 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/indirect.c
  *
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 31db875bc7a1..90afeb7293a6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/inode.c
  *
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index afb66d4ab5cf..75d83471f65c 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/ioctl.c
  *
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 009300ee1561..dcf52540f379 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/ext4/mballoc.h
  *
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 84c54f15f1dd..27b9a76a0dfa 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/random.h>
 #include <linux/buffer_head.h>
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index c1cf020d1889..bd48a8d83961 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/namei.c
  *
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 55ad7dd149d0..db7590178dfc 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/page-io.c
  *
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 04c90643af7a..9ffa6fad18db 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/readpage.c
  *
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 035cd3f4785e..1dac59c24792 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/resize.c
  *
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c
index 5c8fc53cb0e5..a2006c9af1d9 100644
--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/symlink.c
  *
diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index 48c7a7d55ed3..e21afd52e7d7 100644
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/sysfs.c
  *
diff --git a/fs/ext4/truncate.h b/fs/ext4/truncate.h
index c70d06a383e2..b64a9fa0ff41 100644
--- a/fs/ext4/truncate.h
+++ b/fs/ext4/truncate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/ext4/truncate.h
  *
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 3b69330a4250..218a7ba57819 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/xattr.c
  *
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 0d2dde1fa87a..f8cc07588ac9 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: fs/ext4/xattr.h
 
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index a8921112030d..629001b28632 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/xattr_security.c
  * Handler for storing security labels as extended attributes.
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index c7765c735714..e9389e5d75c3 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/xattr_trusted.c
  * Handler for trusted extended attributes.
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index ca20e423034b..d4546184b34b 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ext4/xattr_user.c
  * Handler for extended user attributes.
diff --git a/fs/f2fs/Makefile b/fs/f2fs/Makefile
index a0dc559b1b47..776c4b936504 100644
--- a/fs/f2fs/Makefile
+++ b/fs/f2fs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_F2FS_FS) += f2fs.o
 
 f2fs-y		:= dir.o file.o inode.o namei.o hash.o super.o inline.o
diff --git a/fs/fat/Makefile b/fs/fat/Makefile
index 964b634f6667..70645ce2f7fc 100644
--- a/fs/fat/Makefile
+++ b/fs/fat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux fat filesystem support.
 #
diff --git a/fs/fat/cache.c b/fs/fat/cache.c
index 5d384921524d..e9bed49df6b7 100644
--- a/fs/fat/cache.c
+++ b/fs/fat/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/fat/cache.c
  *
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 051dac1ce3be..8fc1093da47d 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FAT_H
 #define _FAT_H
 
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 448a1119f0be..8d78ffd7b399 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/fcntl.c
  *
diff --git a/fs/fhandle.c b/fs/fhandle.c
index 58a61f55e0d0..474adc8d2a3a 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/syscalls.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
diff --git a/fs/file.c b/fs/file.c
index 1fc7fbbb4510..4eecbf4244a5 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/file.c
  *
diff --git a/fs/filesystems.c b/fs/filesystems.c
index a920ad2629ac..f2728a4a03a1 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/filesystems.c
  *
diff --git a/fs/fs_pin.c b/fs/fs_pin.c
index e747b3d720ee..0d285fd5b44a 100644
--- a/fs/fs_pin.c
+++ b/fs/fs_pin.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
diff --git a/fs/fscache/Makefile b/fs/fscache/Makefile
index 6d561531cb36..79e08e05ef84 100644
--- a/fs/fscache/Makefile
+++ b/fs/fscache/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for general filesystem caching code
 #
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index 86128202384f..41b2aa4bc3bf 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -I$(src)
 obj-$(CONFIG_GFS2_FS) += gfs2.o
 gfs2-y := acl.o bmap.o dir.o xattr.o glock.o \
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
index 49ac55da4e33..2f159265693b 100644
--- a/fs/gfs2/trace_gfs2.h
+++ b/fs/gfs2/trace_gfs2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM gfs2
 
diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c
index 0933600e11c8..74fa62643136 100644
--- a/fs/hfs/attr.c
+++ b/fs/hfs/attr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfs/attr.c
  *
diff --git a/fs/hfs/bfind.c b/fs/hfs/bfind.c
index de69d8a24f6d..4af318fbda77 100644
--- a/fs/hfs/bfind.c
+++ b/fs/hfs/bfind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfs/bfind.c
  *
diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c
index d77d844b668b..8aec5e732abf 100644
--- a/fs/hfs/bnode.c
+++ b/fs/hfs/bnode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfs/bnode.c
  *
diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c
index 6fc766df0461..ad04a5741016 100644
--- a/fs/hfs/brec.c
+++ b/fs/hfs/brec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfs/brec.c
  *
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 37cdd955eceb..374b5688e29e 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfs/btree.c
  *
diff --git a/fs/hfs/btree.h b/fs/hfs/btree.h
index f6bd266d70b5..c8b252dbb26c 100644
--- a/fs/hfs/btree.h
+++ b/fs/hfs/btree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/hfs/btree.h
  *
diff --git a/fs/hfsplus/Makefile b/fs/hfsplus/Makefile
index 683fca2e5e65..f6a56542f8d7 100644
--- a/fs/hfsplus/Makefile
+++ b/fs/hfsplus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 ## Makefile for the linux hfsplus filesystem routines.
 #
diff --git a/fs/hfsplus/acl.h b/fs/hfsplus/acl.h
index 95c8ed9ec17f..488c2b75cf41 100644
--- a/fs/hfsplus/acl.h
+++ b/fs/hfsplus/acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/hfsplus/acl.h
  *
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index e5b221de7de6..2bab6b3cdba4 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/attributes.c
  *
diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c
index 528e38b5af7f..ca2ba8c9f82e 100644
--- a/fs/hfsplus/bfind.c
+++ b/fs/hfsplus/bfind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/bfind.c
  *
diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c
index c0ae274c0a22..cebce0cfe340 100644
--- a/fs/hfsplus/bitmap.c
+++ b/fs/hfsplus/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/bitmap.c
  *
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index ce014ceb89ef..d77015c3f22c 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/bnode.c
  *
diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c
index 754fdf8c6356..808f4d8c859c 100644
--- a/fs/hfsplus/brec.c
+++ b/fs/hfsplus/brec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/brec.c
  *
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index d9d1a36ba826..de14b2b6881b 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/btree.c
  *
diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c
index a5e00f7a4c14..a196369ba779 100644
--- a/fs/hfsplus/catalog.c
+++ b/fs/hfsplus/catalog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/catalog.c
  *
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 31d5e3f1fe17..e8120a282435 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/dir.c
  *
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index a3eb640b4f8f..e8770935ce6d 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/extents.c
  *
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index a3f03b247463..a015044daa05 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/hfsplus_fs.h
  *
diff --git a/fs/hfsplus/hfsplus_raw.h b/fs/hfsplus/hfsplus_raw.h
index 8298d0985f81..456e87aec7fd 100644
--- a/fs/hfsplus/hfsplus_raw.h
+++ b/fs/hfsplus/hfsplus_raw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/hfsplus_raw.h
  *
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 4f26b6877130..190c60efbc99 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/inode.c
  *
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index 0a156d84e67d..5e6502ef7415 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/ioctl.c
  *
diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
index bb806e58c977..047e05c57560 100644
--- a/fs/hfsplus/options.c
+++ b/fs/hfsplus/options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/options.c
  *
diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c
index 6bb5d7c42888..066114dcc3a2 100644
--- a/fs/hfsplus/posix_acl.c
+++ b/fs/hfsplus/posix_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/posix_acl.c
  *
diff --git a/fs/hfsplus/tables.c b/fs/hfsplus/tables.c
index 1b911730a0c1..a5fb8ee7d019 100644
--- a/fs/hfsplus/tables.c
+++ b/fs/hfsplus/tables.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/tables.c
  *
diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index e563939882f3..dfa90c21948f 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/unicode.c
  *
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 10032b919a85..08c1580bdf7a 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hfsplus/wrapper.c
  *
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index d37bb88dc746..e538b758c448 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/xattr.c
  *
diff --git a/fs/hfsplus/xattr.h b/fs/hfsplus/xattr.h
index 68f6b539371f..a4e611d69710 100644
--- a/fs/hfsplus/xattr.h
+++ b/fs/hfsplus/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/hfsplus/xattr.h
  *
diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index 37b3efa733ef..f5550b006e88 100644
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/xattr_trusted.c
  *
diff --git a/fs/hfsplus/xattr_trusted.c b/fs/hfsplus/xattr_trusted.c
index 94519d6c627d..fbad91e1dada 100644
--- a/fs/hfsplus/xattr_trusted.c
+++ b/fs/hfsplus/xattr_trusted.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/xattr_trusted.c
  *
diff --git a/fs/hfsplus/xattr_user.c b/fs/hfsplus/xattr_user.c
index fae6c0ea0030..74d19faf255e 100644
--- a/fs/hfsplus/xattr_user.c
+++ b/fs/hfsplus/xattr_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/hfsplus/xattr_user.c
  *
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index 91e19f9dffe5..ffaec2e7526c 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UM_FS_HOSTFS
 #define __UM_FS_HOSTFS
 
diff --git a/fs/hpfs/alloc.c b/fs/hpfs/alloc.c
index 098bf0f4f386..66617b1557c6 100644
--- a/fs/hpfs/alloc.c
+++ b/fs/hpfs/alloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/alloc.c
  *
diff --git a/fs/hpfs/anode.c b/fs/hpfs/anode.c
index 2d5b254ad9e2..c14c9a035ee0 100644
--- a/fs/hpfs/anode.c
+++ b/fs/hpfs/anode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/anode.c
  *
diff --git a/fs/hpfs/buffer.c b/fs/hpfs/buffer.c
index f626114449e4..e285d6b3bba4 100644
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/buffer.c
  *
diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
index bb87d65f0d97..89a36fdc68cb 100644
--- a/fs/hpfs/dentry.c
+++ b/fs/hpfs/dentry.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/dentry.c
  *
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index fa6bbb4f509f..8d6b7e35faf9 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/dir.c
  *
diff --git a/fs/hpfs/dnode.c b/fs/hpfs/dnode.c
index 86ab7e790b4e..3b834563b1f1 100644
--- a/fs/hpfs/dnode.c
+++ b/fs/hpfs/dnode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/dnode.c
  *
diff --git a/fs/hpfs/ea.c b/fs/hpfs/ea.c
index ce3f98ba993a..102ba18e561f 100644
--- a/fs/hpfs/ea.c
+++ b/fs/hpfs/ea.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/ea.c
  *
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index f26138425b16..1ecec124e76f 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/file.c
  *
diff --git a/fs/hpfs/hpfs.h b/fs/hpfs/hpfs.h
index cce025aff1b1..823a328791c0 100644
--- a/fs/hpfs/hpfs.h
+++ b/fs/hpfs/hpfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/hpfs/hpfs.h
  *
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index d352f3a6af7f..2577ef1034ef 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/hpfs/hpfs_fn.h
  *
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index b9c724ed1e7e..eb8b4baf0f2e 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/inode.c
  *
diff --git a/fs/hpfs/map.c b/fs/hpfs/map.c
index a136929189f0..e0e60b148400 100644
--- a/fs/hpfs/map.c
+++ b/fs/hpfs/map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/map.c
  *
diff --git a/fs/hpfs/name.c b/fs/hpfs/name.c
index b00d396d22c6..ef7ba77f36b8 100644
--- a/fs/hpfs/name.c
+++ b/fs/hpfs/name.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/name.c
  *
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index f30c14414518..a3615e4c730d 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/hpfs/namei.c
  *
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 569db68d02b3..5ace7efb0d04 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ioctl.c
  *
diff --git a/fs/isofs/Makefile b/fs/isofs/Makefile
index bf162f0942d5..6498fd2b0f60 100644
--- a/fs/isofs/Makefile
+++ b/fs/isofs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux isofs filesystem routines.
 #
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index e7599615e4e0..947ce22f5b3c 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/isofs/dir.c
  *
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 0c5f721b4e91..85a9093769a9 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/isofs/export.c
  *
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index 133a456b0425..57d4c3e2e94a 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
 #include <linux/exportfs.h>
diff --git a/fs/isofs/joliet.c b/fs/isofs/joliet.c
index a048de81c093..be8b6a9d0b92 100644
--- a/fs/isofs/joliet.c
+++ b/fs/isofs/joliet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/isofs/joliet.c
  *
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index aee592767f1d..cac468f04820 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/isofs/namei.c
  *
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 0ec137310320..94ef92fe806c 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/isofs/rock.c
  *
diff --git a/fs/isofs/rock.h b/fs/isofs/rock.h
index ed09e2b08637..ef03625431bb 100644
--- a/fs/isofs/rock.h
+++ b/fs/isofs/rock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * These structs are used by the system-use-sharing protocol, in which the
  * Rock Ridge extensions are embedded.  It is quite possible that other
diff --git a/fs/isofs/util.c b/fs/isofs/util.c
index 005a15cfd30a..42544bf0e222 100644
--- a/fs/isofs/util.c
+++ b/fs/isofs/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/isofs/util.c
  */
diff --git a/fs/jffs2/Makefile b/fs/jffs2/Makefile
index 60e5d49ca03e..5294969d5bf9 100644
--- a/fs/jffs2/Makefile
+++ b/fs/jffs2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Journalling Flash File System v2 (JFFS2)
 #
diff --git a/fs/jfs/Makefile b/fs/jfs/Makefile
index d20d4737b3ef..285ec189ed5c 100644
--- a/fs/jfs/Makefile
+++ b/fs/jfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux JFS filesystem routines.
 #
diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 5c5ac5b3aec3..ba34dae8bd9f 100644
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/jfs/ioctl.c
  *
diff --git a/fs/lockd/Makefile b/fs/lockd/Makefile
index 9b320cc2a8cf..6d5e83ed4476 100644
--- a/fs/lockd/Makefile
+++ b/fs/lockd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux lock manager stuff
 #
diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c
index c349fc0f9b80..00d5ef5f99f7 100644
--- a/fs/lockd/clnt4xdr.c
+++ b/fs/lockd/clnt4xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/clnt4xdr.c
  *
diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c
index 3b4724a6c4ee..2c6176387143 100644
--- a/fs/lockd/clntxdr.c
+++ b/fs/lockd/clntxdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/clntxdr.c
  *
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index d716c9993a26..0d4e590e0549 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/host.c
  *
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 9d8166c39c54..9fbbd11f9ecb 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/mon.c
  *
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index fb8cac88251a..5bec78c8e431 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOCKD_NETNS_H__
 #define __LOCKD_NETNS_H__
 
diff --git a/fs/lockd/procfs.c b/fs/lockd/procfs.c
index 8f72cb237ef3..ca9228a56d65 100644
--- a/fs/lockd/procfs.c
+++ b/fs/lockd/procfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Procfs support for lockd
  *
diff --git a/fs/lockd/procfs.h b/fs/lockd/procfs.h
index 184a15edd18d..ba9a82f4ce28 100644
--- a/fs/lockd/procfs.h
+++ b/fs/lockd/procfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Procfs support for lockd
  *
diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c
index 82925f17ec45..1bddf70d9656 100644
--- a/fs/lockd/svc4proc.c
+++ b/fs/lockd/svc4proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/svc4proc.c
  *
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 3507c80d1d4b..3701bccab478 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/svclock.c
  *
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 07915162581d..0d670c5c378f 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/svcproc.c
  *
diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c
index b0ae07008700..ade4931b2da2 100644
--- a/fs/lockd/svcshare.c
+++ b/fs/lockd/svcshare.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/svcshare.c
  *
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 442bbd0b0b29..7147e4aebecc 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/xdr.c
  *
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index 2a0cd5679c49..7ed9edf9aed4 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/lockd/xdr4.c
  *
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index c2c3fd3277b5..f4e5e5181a14 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/minix/bitmap.c
  *
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index baa9721f1299..dcfe5b25378b 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/minix/dir.c
  *
diff --git a/fs/minix/file.c b/fs/minix/file.c
index a6a4797aa0d4..c50b0a20fcd9 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/minix/file.c
  *
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index 2d1ca08870f7..043c3fdbc8e7 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Generic part */
 
 typedef struct {
diff --git a/fs/minix/itree_v1.c b/fs/minix/itree_v1.c
index 46ca39d6c735..046cc96ee7ad 100644
--- a/fs/minix/itree_v1.c
+++ b/fs/minix/itree_v1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/buffer_head.h>
 #include <linux/slab.h>
 #include "minix.h"
diff --git a/fs/minix/itree_v2.c b/fs/minix/itree_v2.c
index 1ee101352586..f7fc7ecccccc 100644
--- a/fs/minix/itree_v2.c
+++ b/fs/minix/itree_v2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/buffer_head.h>
 #include "minix.h"
 
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index 663d66138d06..df081e8afcc3 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_MINIX_H
 #define FS_MINIX_H
 
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 1e0f11f5dac9..ccf0f00030bf 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/minix/namei.c
  *
diff --git a/fs/mount.h b/fs/mount.h
index 6790767d1883..f39bc9da4d73 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/mount.h>
 #include <linux/seq_file.h>
 #include <linux/poll.h>
diff --git a/fs/mpage.c b/fs/mpage.c
index c991faec70b9..b7e7f570733a 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/mpage.c
  *
diff --git a/fs/namei.c b/fs/namei.c
index c75ea03ca147..ed8b9488a890 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/namei.c
  *
diff --git a/fs/ncpfs/Makefile b/fs/ncpfs/Makefile
index c66af563f2ce..66fe5f878817 100644
--- a/fs/ncpfs/Makefile
+++ b/fs/ncpfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ncp filesystem routines.
 #
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 088f52484d6e..b5ec1d980dc9 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  dir.c
  *
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index a06c07619ee6..8f8cc0334ddd 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  file.c
  *
diff --git a/fs/ncpfs/getopt.c b/fs/ncpfs/getopt.c
index 344889cd120e..5c941bef14c4 100644
--- a/fs/ncpfs/getopt.c
+++ b/fs/ncpfs/getopt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * getopt.c
  */
diff --git a/fs/ncpfs/getopt.h b/fs/ncpfs/getopt.h
index cccc007dcaf9..30f0da317670 100644
--- a/fs/ncpfs/getopt.h
+++ b/fs/ncpfs/getopt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_GETOPT_H
 #define _LINUX_GETOPT_H
 
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 12550c2320cc..d378b98cd7b6 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  ioctl.c
  *
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 6719c0be674d..a5c5cf2ff007 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  mmap.c
  *
diff --git a/fs/ncpfs/ncp_fs.h b/fs/ncpfs/ncp_fs.h
index b9f69e1b1f43..bdd262b6c198 100644
--- a/fs/ncpfs/ncp_fs.h
+++ b/fs/ncpfs/ncp_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/ncp_fs.h>
 #include "ncp_fs_i.h"
 #include "ncp_fs_sb.h"
diff --git a/fs/ncpfs/ncp_fs_i.h b/fs/ncpfs/ncp_fs_i.h
index c4794504f843..3432bafb53a5 100644
--- a/fs/ncpfs/ncp_fs_i.h
+++ b/fs/ncpfs/ncp_fs_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ncp_fs_i.h
  *
diff --git a/fs/ncpfs/ncp_fs_sb.h b/fs/ncpfs/ncp_fs_sb.h
index 366fd63cc506..89031d7e3ae1 100644
--- a/fs/ncpfs/ncp_fs_sb.h
+++ b/fs/ncpfs/ncp_fs_sb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ncp_fs_sb.h
  *
diff --git a/fs/ncpfs/ncplib_kernel.c b/fs/ncpfs/ncplib_kernel.c
index 88dbbc9fcf4d..804adfebba2f 100644
--- a/fs/ncpfs/ncplib_kernel.c
+++ b/fs/ncpfs/ncplib_kernel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  ncplib_kernel.c
  *
diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
index b4c87cfcee95..aaae8aa9bf7d 100644
--- a/fs/ncpfs/ncplib_kernel.h
+++ b/fs/ncpfs/ncplib_kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ncplib_kernel.h
  *
diff --git a/fs/ncpfs/ncpsign_kernel.c b/fs/ncpfs/ncpsign_kernel.c
index 08907599dcd2..8085b1a3ba47 100644
--- a/fs/ncpfs/ncpsign_kernel.c
+++ b/fs/ncpfs/ncpsign_kernel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  ncpsign_kernel.c
  *
diff --git a/fs/ncpfs/ncpsign_kernel.h b/fs/ncpfs/ncpsign_kernel.h
index d9a1438bb1f6..57ff0a0650b8 100644
--- a/fs/ncpfs/ncpsign_kernel.h
+++ b/fs/ncpfs/ncpsign_kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ncpsign_kernel.h
  *
diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
index 98b6db0ed63e..7dd7170d6cdf 100644
--- a/fs/ncpfs/sock.c
+++ b/fs/ncpfs/sock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ncpfs/sock.c
  *
diff --git a/fs/ncpfs/symlink.c b/fs/ncpfs/symlink.c
index a6d26b46fc05..b6e16da4837a 100644
--- a/fs/ncpfs/symlink.c
+++ b/fs/ncpfs/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ncpfs/symlink.c
  *
diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index 1fb118902d57..c587e3c4c6a6 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux nfs filesystem routines.
 #
diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c
index a69ef4e9c24c..95f74bd2c067 100644
--- a/fs/nfs/blocklayout/dev.c
+++ b/fs/nfs/blocklayout/dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014-2016 Christoph Hellwig.
  */
diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c
index c85fbfd2d0d9..7a57ff2528af 100644
--- a/fs/nfs/blocklayout/extent_tree.c
+++ b/fs/nfs/blocklayout/extent_tree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014-2016 Christoph Hellwig.
  */
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c
index 2ae676f93e6b..b60627bcfc62 100644
--- a/fs/nfs/cache_lib.c
+++ b/fs/nfs/cache_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/cache_lib.c
  *
diff --git a/fs/nfs/cache_lib.h b/fs/nfs/cache_lib.h
index 4116d2c3f52f..4e6236a86cf7 100644
--- a/fs/nfs/cache_lib.h
+++ b/fs/nfs/cache_lib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Helper routines for the NFS client caches
  *
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 2cddf7f437e6..cd9d992feb2e 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/callback.c
  *
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 3dc54d7cb19c..a20a0bce40a4 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/nfs/callback.h
  *
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 14358de173fb..19151f6c0e97 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/callback_proc.c
  *
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 681dd642f119..123c069429a7 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/callback_xdr.c
  *
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index e9d555796873..ddaf2644cf13 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/nfs/delegation.h
  *
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index d25f10fb4926..060c658eab66 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/dns_resolve.c
  *
diff --git a/fs/nfs/dns_resolve.h b/fs/nfs/dns_resolve.h
index 2e4f596d2923..576ff4b54c82 100644
--- a/fs/nfs/dns_resolve.h
+++ b/fs/nfs/dns_resolve.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Resolve DNS hostnames into valid ip addresses
  */
diff --git a/fs/nfs/export.c b/fs/nfs/export.c
index 249cb96cc5b5..83fd09fc8f77 100644
--- a/fs/nfs/export.c
+++ b/fs/nfs/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, Primary Data, Inc. All rights reserved.
  *
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index 98b34c9b0564..679cb087ef3f 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NFSv4 flexfile layout driver data structures.
  *
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index f32c58bbe556..d62279d3fc5d 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device operations for the pnfs nfs4 file layout driver.
  *
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 5bdf952f414b..f9a4a5524bd5 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NFS internal definitions
  */
diff --git a/fs/nfs/io.c b/fs/nfs/io.c
index 1fc5d1ce327e..20fef85d2bb1 100644
--- a/fs/nfs/io.c
+++ b/fs/nfs/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016 Trond Myklebust
  *
diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index 0cb806fbd4c4..2ddaab1ac653 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/nfs/iostat.h
  *
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 60bad882c123..d979ff4fee7e 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * In-kernel MOUNT protocol client
  *
diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index 5fbd2bde91ba..fc9978c58265 100644
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NFS-private data for each "struct net".  Accessed with net_generic().
  */
diff --git a/fs/nfs/nfs.h b/fs/nfs/nfs.h
index 43679df56cd0..5ba00610aede 100644
--- a/fs/nfs/nfs.h
+++ b/fs/nfs/nfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2012 Netapp, Inc. All rights reserved.
  *
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index fe68dabfbde6..85e4b4a233f9 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/nfs2xdr.c
  *
diff --git a/fs/nfs/nfs3_fs.h b/fs/nfs/nfs3_fs.h
index e134d6548ab7..f82e11c4cb56 100644
--- a/fs/nfs/nfs3_fs.h
+++ b/fs/nfs/nfs3_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2014 Anna Schumaker.
  *
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 720d92f5abfb..7173a4ee862c 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/gfp.h>
 #include <linux/nfs.h>
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index d1e87ec0df84..bc673fb47fb3 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/nfs/nfs3proc.c
  *
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index e82c9e553224..6cd33bd5da87 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/nfs3xdr.c
  *
diff --git a/fs/nfs/nfs42.h b/fs/nfs/nfs42.h
index b6cd15314bab..19ec38f85ce0 100644
--- a/fs/nfs/nfs42.h
+++ b/fs/nfs/nfs42.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
  */
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 6c2db51e67a7..9c374441f660 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
  */
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 5ee1b0f0d904..5966e1e7b1f5 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
  */
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index ac4f10b7f6c1..dcfcf7fd7438 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/fs/nfs/nfs4_fs.h
  *
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 0efba77789b9..626d1382002e 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/nfs/file.c
  *
diff --git a/fs/nfs/nfs4getroot.c b/fs/nfs/nfs4getroot.c
index ac8406018962..1a69479a3a59 100644
--- a/fs/nfs/nfs4getroot.c
+++ b/fs/nfs/nfs4getroot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 7d531da1bae3..8c3f327d858d 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/nfs4namespace.c
  *
diff --git a/fs/nfs/nfs4session.h b/fs/nfs/nfs4session.h
index dfae4880eacb..3c550f297561 100644
--- a/fs/nfs/nfs4session.h
+++ b/fs/nfs/nfs4session.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fs/nfs/nfs4session.h
  *
diff --git a/fs/nfs/nfs4sysctl.c b/fs/nfs/nfs4sysctl.c
index 8693d77c45ea..0d91d84e5822 100644
--- a/fs/nfs/nfs4sysctl.c
+++ b/fs/nfs/nfs4sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/nfs4sysctl.c
  *
diff --git a/fs/nfs/nfs4trace.c b/fs/nfs/nfs4trace.c
index 2850bce19244..e9fb3e50a999 100644
--- a/fs/nfs/nfs4trace.c
+++ b/fs/nfs/nfs4trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
  */
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index be1da19c65d6..e7c6275519b0 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
  */
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index 89a15dbe5efc..effaa4247b91 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995, 1996  Gero Kuhlmann <gero@gkminix.han.de>
  *
diff --git a/fs/nfs/nfstrace.c b/fs/nfs/nfstrace.c
index c74f7af23d77..b60d5fbd7727 100644
--- a/fs/nfs/nfstrace.c
+++ b/fs/nfs/nfstrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
  */
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 551711042ba4..093290c42d7c 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
  */
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 7962e49097c3..f7fd9192d4bc 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/nfs/proc.c
  *
diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c
index 5a1d0ded8979..06eb44b47885 100644
--- a/fs/nfs/symlink.c
+++ b/fs/nfs/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/nfs/symlink.c
  *
diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c
index bb6ed810fa6f..7aea195ddb35 100644
--- a/fs/nfs/sysctl.c
+++ b/fs/nfs/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/nfs/sysctl.c
  *
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index e3949d93085c..630b4a3c1a93 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/nfs/unlink.c
  *
diff --git a/fs/nfsd/Makefile b/fs/nfsd/Makefile
index 5f5d3a76980c..2bfb58eefad1 100644
--- a/fs/nfsd/Makefile
+++ b/fs/nfsd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux nfs server
 #
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 62469c60be23..697f8ae7792d 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */
 
 #include <linux/sched.h>
diff --git a/fs/nfsd/auth.h b/fs/nfsd/auth.h
index 53325a12ba62..dbd66424f600 100644
--- a/fs/nfsd/auth.h
+++ b/fs/nfsd/auth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * nfsd-specific authentication stuff.
  *
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index c862c2489df0..3f880ae0966b 100644
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014-2016 Christoph Hellwig.
  */
diff --git a/fs/nfsd/blocklayoutxdr.c b/fs/nfsd/blocklayoutxdr.c
index ac6f54546fdd..442543304930 100644
--- a/fs/nfsd/blocklayoutxdr.c
+++ b/fs/nfsd/blocklayoutxdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014-2016 Christoph Hellwig.
  */
diff --git a/fs/nfsd/blocklayoutxdr.h b/fs/nfsd/blocklayoutxdr.h
index 397bc7563a49..bc5166bfe46b 100644
--- a/fs/nfsd/blocklayoutxdr.h
+++ b/fs/nfsd/blocklayoutxdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFSD_BLOCKLAYOUTXDR_H
 #define _NFSD_BLOCKLAYOUTXDR_H 1
 
diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h
index dd96a3830004..046b3f048757 100644
--- a/fs/nfsd/cache.h
+++ b/fs/nfsd/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Request reply cache. This was heavily inspired by the
  * implementation in 4.3BSD/4.4BSD.
diff --git a/fs/nfsd/current_stateid.h b/fs/nfsd/current_stateid.h
index 34075cee573a..c28540d86742 100644
--- a/fs/nfsd/current_stateid.h
+++ b/fs/nfsd/current_stateid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFSD4_CURRENT_STATE_H
 #define _NFSD4_CURRENT_STATE_H
 
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 3bc08c394a3f..46b48dbbdd32 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NFS exporting and validation.
  *
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
index 730f15eeb7ed..c8b74126ddaa 100644
--- a/fs/nfsd/export.h
+++ b/fs/nfsd/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
  */
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index 34c1c449fddf..6dfede6d172a 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2011 Bryan Schumaker <bjschuma@netapp.com>
  *
diff --git a/fs/nfsd/flexfilelayout.c b/fs/nfsd/flexfilelayout.c
index b67287383010..db7ef07ae50c 100644
--- a/fs/nfsd/flexfilelayout.c
+++ b/fs/nfsd/flexfilelayout.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
  *
diff --git a/fs/nfsd/flexfilelayoutxdr.c b/fs/nfsd/flexfilelayoutxdr.c
index 5e3fd7fc1a9f..e81d2a5cf381 100644
--- a/fs/nfsd/flexfilelayoutxdr.c
+++ b/fs/nfsd/flexfilelayoutxdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
  */
diff --git a/fs/nfsd/flexfilelayoutxdr.h b/fs/nfsd/flexfilelayoutxdr.h
index 467defd4e563..8e195aeca023 100644
--- a/fs/nfsd/flexfilelayoutxdr.h
+++ b/fs/nfsd/flexfilelayoutxdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
  */
diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 1a03bc3059e8..3f5b3d7b62b7 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains all the stubs needed when communicating with lockd.
  * This level of indirection is necessary so we can run nfsd+lockd without
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 6276ec8608b0..cbab1d2d8a75 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Process version 2 NFSACL requests.
  *
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 01976529f042..13bca4a2f89d 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Process version 3 NFSACL requests.
  *
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 2cb56a0d6625..1d0ce3c57d93 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Process version 3 NFS requests.
  *
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index bf444b664011..f38acd905441 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XDR support for nfsd/protocol version 3.
  *
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index e122da696f1b..ea45d954e8d7 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014 Christoph Hellwig.
  */
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index 96fd15979cbd..334f2ad60704 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Request reply cache. This is currently a global cache, but this may
  * change in the future and be a per-client cache.
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index b9c538ab7a59..3fce905d0365 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Hodge-podge collection of knfsd-related stuff.
  * I will sort this out later.
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index cfe7500d5847..8aa011820c4a 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NFS server file handle treatment.
  *
diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h
index e47cf6c2ac28..43f31cf49bae 100644
--- a/fs/nfsd/nfsfh.h
+++ b/fs/nfsd/nfsfh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
  *
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 5076ae2b8258..43c0419b8ddb 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Process version 2 NFS requests.
  *
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 7e3af3ef0917..e02bd2783124 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Central processing for nfsd.
  *
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index e4da2717982d..644a0342f0e0 100644
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XDR support for nfsd
  *
diff --git a/fs/nfsd/pnfs.h b/fs/nfsd/pnfs.h
index d27a5aa60022..4f4282d4eeca 100644
--- a/fs/nfsd/pnfs.h
+++ b/fs/nfsd/pnfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_NFSD_PNFS_H
 #define _FS_NFSD_PNFS_H 1
 
diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c
index d97338bb6a39..9bce3b913189 100644
--- a/fs/nfsd/stats.c
+++ b/fs/nfsd/stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * procfs-based user access to knfsd statistics
  *
diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h
index a5c944b771c6..b23fdac69820 100644
--- a/fs/nfsd/stats.h
+++ b/fs/nfsd/stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Statistics for NFS server.
  *
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 3287041905da..8b2f1d92c579 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2014 Christoph Hellwig.
  */
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index bc69d40c4e8b..a3c9bfa77def 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * File operations used by nfsd. Some of these have been ripped from
  * other parts of the kernel because they weren't exported, others
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 1bbdccecbf3d..be6d8e00453f 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
  */
diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h
index 457ce45e5084..2f4f22e6b8cb 100644
--- a/fs/nfsd/xdr.h
+++ b/fs/nfsd/xdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* XDR types for nfsd. This is mainly a typing exercise. */
 
 #ifndef LINUX_NFSD_H
diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h
index 80d7da620e91..056bf8a7364e 100644
--- a/fs/nfsd/xdr3.h
+++ b/fs/nfsd/xdr3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * XDR types for NFSv3 in nfsd.
  *
diff --git a/fs/nfsd/xdr4cb.h b/fs/nfsd/xdr4cb.h
index 49b719dfef95..517239af0302 100644
--- a/fs/nfsd/xdr4cb.h
+++ b/fs/nfsd/xdr4cb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define NFS4_MAXTAGLEN		20
 
 #define NFS4_enc_cb_null_sz		0
diff --git a/fs/nilfs2/Makefile b/fs/nilfs2/Makefile
index fc603e0431bb..43b60b8a4d07 100644
--- a/fs/nilfs2/Makefile
+++ b/fs/nilfs2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NILFS2_FS) += nilfs2.o
 nilfs2-y := inode.o file.o dir.o super.o namei.o page.o mdt.o \
 	btnode.o bmap.o btree.o direct.o dat.o recovery.o \
diff --git a/fs/nilfs2/export.h b/fs/nilfs2/export.h
index 00107fdb9343..d29fd837c42c 100644
--- a/fs/nilfs2/export.h
+++ b/fs/nilfs2/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef NILFS_EXPORT_H
 #define NILFS_EXPORT_H
 
diff --git a/fs/nls/Makefile b/fs/nls/Makefile
index 8ae37c1b5249..ac54db297128 100644
--- a/fs/nls/Makefile
+++ b/fs/nls/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for native language support
 #
diff --git a/fs/notify/Makefile b/fs/notify/Makefile
index 3e969ae91b60..63a4b8828df4 100644
--- a/fs/notify/Makefile
+++ b/fs/notify/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FSNOTIFY)		+= fsnotify.o notification.o group.o mark.o \
 				   fdinfo.o
 
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 2fa99aeaa095..09640b546363 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fanotify.h>
 #include <linux/fdtable.h>
 #include <linux/fsnotify_backend.h>
diff --git a/fs/notify/fanotify/fanotify.h b/fs/notify/fanotify/fanotify.h
index 4eb6f5efa282..7dacb7d80727 100644
--- a/fs/notify/fanotify/fanotify.h
+++ b/fs/notify/fanotify/fanotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fsnotify_backend.h>
 #include <linux/path.h>
 #include <linux/slab.h>
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 907a481ac781..9752e7270e61 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fanotify.h>
 #include <linux/fcntl.h>
 #include <linux/file.h>
diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c
index dd63aa9a6f9a..517f88c1dbe5 100644
--- a/fs/notify/fdinfo.c
+++ b/fs/notify/fdinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/fsnotify_backend.h>
diff --git a/fs/notify/fdinfo.h b/fs/notify/fdinfo.h
index 9664c4904d6b..5c9937e02e21 100644
--- a/fs/notify/fdinfo.h
+++ b/fs/notify/fdinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FSNOTIFY_FDINFO_H__
 #define __FSNOTIFY_FDINFO_H__
 
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index bf012e8ecd14..60f365dc1408 100644
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FS_NOTIFY_FSNOTIFY_H_
 #define __FS_NOTIFY_FSNOTIFY_H_
 
diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h
index 9ff67b61da8a..c00d2caca894 100644
--- a/fs/notify/inotify/inotify.h
+++ b/fs/notify/inotify/inotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fsnotify_backend.h>
 #include <linux/inotify.h>
 #include <linux/slab.h> /* struct kmem_cache */
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 08127a2b8559..ef243e14b6eb 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mount.h>
 #include <linux/file.h>
 #include <linux/fs.h>
diff --git a/fs/ntfs/Makefile b/fs/ntfs/Makefile
index 2ff263e6d363..3e736572ed00 100644
--- a/fs/ntfs/Makefile
+++ b/fs/ntfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Rules for making the NTFS driver.
 
 obj-$(CONFIG_NTFS_FS) += ntfs.o
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 4342c7ee7d20..99ee093182cb 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -Ifs/ocfs2
 
 obj-$(CONFIG_OCFS2_FS) += 	\
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 4506ec5ec2ea..ab30c005cc4b 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ocfs2/ioctl.c
  *
diff --git a/fs/ocfs2/ioctl.h b/fs/ocfs2/ioctl.h
index 0cd5323bd3f0..9f5e4d95e37f 100644
--- a/fs/ocfs2/ioctl.h
+++ b/fs/ocfs2/ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ioctl.h
  *
diff --git a/fs/ocfs2/mmap.h b/fs/ocfs2/mmap.h
index 1274ee0f1fe2..1051507cc684 100644
--- a/fs/ocfs2/mmap.h
+++ b/fs/ocfs2/mmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef OCFS2_MMAP_H
 #define OCFS2_MMAP_H
 
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index 0b58abcf1c6d..a0b5d00ef0a9 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ocfs2
 
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index d153e6e31529..ebb5c99f490e 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * quota.h for OCFS2
  *
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index c94b6baaa551..b39d14cbfa34 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Implementation of operations over global quota file
  */
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index aa700fd10610..16c42ed0dca8 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Implementation of operations over local quota file
  */
diff --git a/fs/omfs/bitmap.c b/fs/omfs/bitmap.c
index 83f4e76511c2..7147ba6a6afc 100644
--- a/fs/omfs/bitmap.c
+++ b/fs/omfs/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
diff --git a/fs/omfs/omfs.h b/fs/omfs/omfs.h
index f0f8bc75e609..4008be73de54 100644
--- a/fs/omfs/omfs.h
+++ b/fs/omfs/omfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OMFS_H
 #define _OMFS_H
 
diff --git a/fs/omfs/omfs_fs.h b/fs/omfs/omfs_fs.h
index 83a98330ed66..caecb3d5a344 100644
--- a/fs/omfs/omfs_fs.h
+++ b/fs/omfs/omfs_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OMFS_FS_H
 #define _OMFS_FS_H
 
diff --git a/fs/orangefs/Makefile b/fs/orangefs/Makefile
index a9d6a968fe6d..9b6c50bb173b 100644
--- a/fs/orangefs/Makefile
+++ b/fs/orangefs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ORANGEFS filesystem.
 #
diff --git a/fs/orangefs/acl.c b/fs/orangefs/acl.c
index 9108ef433e6d..c2d8233b1e82 100644
--- a/fs/orangefs/acl.c
+++ b/fs/orangefs/acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c
index 5355efba4bc8..ae782df5c063 100644
--- a/fs/orangefs/dcache.c
+++ b/fs/orangefs/dcache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c
index 2826859bdc2c..ded456f17de6 100644
--- a/fs/orangefs/devorangefs-req.c
+++ b/fs/orangefs/devorangefs-req.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/dir.c b/fs/orangefs/dir.c
index d327cbd17756..a8cc588d6224 100644
--- a/fs/orangefs/dir.c
+++ b/fs/orangefs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2017 Omnibond Systems, L.L.C.
  */
diff --git a/fs/orangefs/downcall.h b/fs/orangefs/downcall.h
index 163001c95501..ea2332e16af9 100644
--- a/fs/orangefs/downcall.h
+++ b/fs/orangefs/downcall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index 336ecbf8c268..e4a8e6a7eb17 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 9428ea0aac16..28825a5b6d09 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index 478e88bd7f9d..7e9e5d0ea3bc 100644
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 7ef473f3d642..59f444dced9b 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-bufmap.h b/fs/orangefs/orangefs-bufmap.h
index 71f64f4057b5..c2c3c5a0eeab 100644
--- a/fs/orangefs/orangefs-bufmap.h
+++ b/fs/orangefs/orangefs-bufmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-cache.c b/fs/orangefs/orangefs-cache.c
index aa3830b741c7..3b6982bf6bcf 100644
--- a/fs/orangefs/orangefs-cache.c
+++ b/fs/orangefs/orangefs-cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-debug.h b/fs/orangefs/orangefs-debug.h
index 387db17cde2b..b6001bb28f5a 100644
--- a/fs/orangefs/orangefs-debug.h
+++ b/fs/orangefs/orangefs-debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index 5f59917fd631..1c59dff530de 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * What:		/sys/kernel/debug/orangefs/debug-help
  * Date:		June 2015
diff --git a/fs/orangefs/orangefs-debugfs.h b/fs/orangefs/orangefs-debugfs.h
index 803517269ba6..b5fd9cd4960f 100644
--- a/fs/orangefs/orangefs-debugfs.h
+++ b/fs/orangefs/orangefs-debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 int orangefs_debugfs_init(int);
 void orangefs_debugfs_cleanup(void);
 int orangefs_client_debug_init(void);
diff --git a/fs/orangefs/orangefs-dev-proto.h b/fs/orangefs/orangefs-dev-proto.h
index efe08c763e56..dc6609824965 100644
--- a/fs/orangefs/orangefs-dev-proto.h
+++ b/fs/orangefs/orangefs-dev-proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index ea0ce507a6ab..004af348fb80 100644
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/orangefs-sysfs.c b/fs/orangefs/orangefs-sysfs.c
index afd2f523b283..079a465796f3 100644
--- a/fs/orangefs/orangefs-sysfs.c
+++ b/fs/orangefs/orangefs-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Documentation/ABI/stable/orangefs-sysfs:
  *
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index aab6f1842963..f82336496311 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/protocol.h b/fs/orangefs/protocol.h
index 48bcc1bbe415..e0bf5e4dce0d 100644
--- a/fs/orangefs/protocol.h
+++ b/fs/orangefs/protocol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/spinlock_types.h>
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index 47f3fb9cbec4..47ebd9bfd1a1 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/symlink.c b/fs/orangefs/symlink.c
index 02b1bbdbcc42..d856cdf91763 100644
--- a/fs/orangefs/symlink.c
+++ b/fs/orangefs/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/upcall.h b/fs/orangefs/upcall.h
index b8249f8fdd80..16118452aa12 100644
--- a/fs/orangefs/upcall.h
+++ b/fs/orangefs/upcall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/orangefs/waitqueue.c b/fs/orangefs/waitqueue.c
index 61e2ca7fec55..835c6e148afc 100644
--- a/fs/orangefs/waitqueue.c
+++ b/fs/orangefs/waitqueue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  * (C) 2011 Omnibond Systems
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index 81ac88bb91ff..03bcb871544d 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * (C) 2001 Clemson University and The University of Chicago
  *
diff --git a/fs/pipe.c b/fs/pipe.c
index 97e5be897753..349c9d56d4b3 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/pipe.c
  *
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 12c6922c913c..f7456c4e7d0f 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux proc filesystem routines.
 #
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 77a8eacbe032..9390032a11e1 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/proc/array.c
  *
diff --git a/fs/proc/base.c b/fs/proc/base.c
index ad3b0762cc3e..9d357b2ea6cb 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/proc/base.c
  *
diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
index cbd82dff7e81..403cbb12a6e9 100644
--- a/fs/proc/cmdline.c
+++ b/fs/proc/cmdline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
diff --git a/fs/proc/cpuinfo.c b/fs/proc/cpuinfo.c
index 06f4d31e0396..e0f867cd8553 100644
--- a/fs/proc/cpuinfo.c
+++ b/fs/proc/cpuinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
diff --git a/fs/proc/devices.c b/fs/proc/devices.c
index e5709343feb7..2c7f22b14489 100644
--- a/fs/proc/devices.c
+++ b/fs/proc/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index c330495c3115..96fc70225e54 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched/signal.h>
 #include <linux/errno.h>
 #include <linux/dcache.h>
diff --git a/fs/proc/fd.h b/fs/proc/fd.h
index 46dafadd0083..f371a602bf58 100644
--- a/fs/proc/fd.h
+++ b/fs/proc/fd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PROCFS_FD_H__
 #define __PROCFS_FD_H__
 
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index e250910cffc8..225f541f7078 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/proc/inode.c
  *
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
index a352d5703b41..6a6bee9c603c 100644
--- a/fs/proc/interrupts.c
+++ b/fs/proc/interrupts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 45629f4b5402..4bc85cb8be6a 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	fs/proc/kcore.c kernel ELF core dumper
  *
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index f9387bb7631b..e0f8774acd65 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/proc/kmsg.c
  *
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c
index 983fce5c2418..9bc5c58c00ee 100644
--- a/fs/proc/loadavg.c
+++ b/fs/proc/loadavg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/pid_namespace.h>
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index cdd979724c74..6bb20f864259 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index 3803b24ca220..59b17e509f46 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/proc_fs.h>
 #include <linux/nsproxy.h>
 #include <linux/ptrace.h>
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 2726536489b1..1491918a33c3 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bootmem.h>
 #include <linux/compiler.h>
 #include <linux/fs.h>
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 8f479229b349..c5cbbdff3c3d 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * /proc/sys support
  */
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c
index 901bd06f437d..2da657848cfc 100644
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * proc_tty.c -- handles /proc/tty
  *
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 926fb27f4ca2..4e42aba97f2e 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/proc/root.c
  *
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 39857f6db5cf..31326bb23b8b 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/pid_namespace.h>
diff --git a/fs/proc/softirqs.c b/fs/proc/softirqs.c
index ad8a77f94beb..24072cc06e65 100644
--- a/fs/proc/softirqs.c
+++ b/fs/proc/softirqs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/proc_fs.h>
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index bd4e55f4aa20..59749dfaef67 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpumask.h>
 #include <linux/fs.h>
 #include <linux/init.h>
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 5589b4bd4b85..280282b05bc7 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/vmacache.h>
 #include <linux/hugetlb.h>
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index b00b766098fa..5b62f57bd9bc 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/mm.h>
 #include <linux/file.h>
diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c
index 20614b62a9b7..b813e3b529f2 100644
--- a/fs/proc/thread_self.c
+++ b/fs/proc/thread_self.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/pid_namespace.h>
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
index 7981c4ffe787..95a708d83721 100644
--- a/fs/proc/uptime.c
+++ b/fs/proc/uptime.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
diff --git a/fs/proc/version.c b/fs/proc/version.c
index d2154eb6d78f..94901e8e700d 100644
--- a/fs/proc/version.c
+++ b/fs/proc/version.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 99dff222fe67..7626ee11b06c 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/proc_namespace.c - handling of /proc/<pid>/{mounts,mountinfo,mountstats}
  *
diff --git a/fs/pstore/Makefile b/fs/pstore/Makefile
index b8803cc07fce..967b5891f325 100644
--- a/fs/pstore/Makefile
+++ b/fs/pstore/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux pstorefs routines.
 #
diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h
index 7f4e48c8d188..c029314478fa 100644
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PSTORE_INTERNAL_H__
 #define __PSTORE_INTERNAL_H__
 
diff --git a/fs/qnx4/bitmap.c b/fs/qnx4/bitmap.c
index 76a7a697b778..163afc4ba4b2 100644
--- a/fs/qnx4/bitmap.c
+++ b/fs/qnx4/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * QNX4 file system, Linux implementation.
  *
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 781056a0480f..a6ee23aadd28 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * QNX4 file system, Linux implementation.
  *
diff --git a/fs/qnx4/namei.c b/fs/qnx4/namei.c
index e62c8183777a..eca27878079d 100644
--- a/fs/qnx4/namei.c
+++ b/fs/qnx4/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* 
  * QNX4 file system, Linux implementation.
  * 
diff --git a/fs/qnx4/qnx4.h b/fs/qnx4/qnx4.h
index c9b1be2c164d..6283705466a4 100644
--- a/fs/qnx4/qnx4.h
+++ b/fs/qnx4/qnx4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fs.h>
 #include <linux/qnx4_fs.h>
 
diff --git a/fs/qnx6/dir.c b/fs/qnx6/dir.c
index 27637e0bdc9f..c1cfb8a19e9d 100644
--- a/fs/qnx6/dir.c
+++ b/fs/qnx6/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * QNX6 file system, Linux implementation.
  *
diff --git a/fs/qnx6/namei.c b/fs/qnx6/namei.c
index 6c1a323137dd..72c2770830be 100644
--- a/fs/qnx6/namei.c
+++ b/fs/qnx6/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * QNX6 file system, Linux implementation.
  *
diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h
index f23b5c4a66ad..34a6b126a3a9 100644
--- a/fs/qnx6/qnx6.h
+++ b/fs/qnx6/qnx6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * QNX6 file system, Linux implementation.
  *
diff --git a/fs/qnx6/super_mmi.c b/fs/qnx6/super_mmi.c
index 62aaf3e3126a..d282c2c73404 100644
--- a/fs/qnx6/super_mmi.c
+++ b/fs/qnx6/super_mmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * QNX6 file system, Linux implementation.
  *
diff --git a/fs/quota/Makefile b/fs/quota/Makefile
index c66c37cdaa39..f2b49d0f0287 100644
--- a/fs/quota/Makefile
+++ b/fs/quota/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_QUOTA)		+= dquot.o
 obj-$(CONFIG_QFMT_V1)		+= quota_v1.o
 obj-$(CONFIG_QFMT_V2)		+= quota_v2.o
diff --git a/fs/quota/compat.c b/fs/quota/compat.c
index fb1892fe3e56..779caed4f078 100644
--- a/fs/quota/compat.c
+++ b/fs/quota/compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/syscalls.h>
 #include <linux/compat.h>
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 52ad15192e72..9f78b5015f2e 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the diskquota system for the LINUX operating system. QUOTA
  * is implemented using the BSD system call interface as the means of
diff --git a/fs/quota/kqid.c b/fs/quota/kqid.c
index ebc5e6285800..f814fa90af38 100644
--- a/fs/quota/kqid.c
+++ b/fs/quota/kqid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fs.h>
 #include <linux/quota.h>
 #include <linux/export.h>
diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
index e99b1a72d9a7..95acdae391b4 100644
--- a/fs/quota/netlink.c
+++ b/fs/quota/netlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cred.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index a9c5dfe6b83e..43612e2a73af 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Quota code necessary even when VFS quota support is not compiled
  * into the kernel.  The interesting stuff is over in dquot.c, here
diff --git a/fs/quota/quota_tree.h b/fs/quota/quota_tree.h
index a1ab8db81a51..31cf27e0e9e0 100644
--- a/fs/quota/quota_tree.h
+++ b/fs/quota/quota_tree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Definitions of structures for vfsv0 quota format
  */
diff --git a/fs/quota/quotaio_v1.h b/fs/quota/quotaio_v1.h
index 746654b5de70..bd11e2c08119 100644
--- a/fs/quota/quotaio_v1.h
+++ b/fs/quota/quotaio_v1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_QUOTAIO_V1_H
 #define _LINUX_QUOTAIO_V1_H
 
diff --git a/fs/quota/quotaio_v2.h b/fs/quota/quotaio_v2.h
index 4e95430093d9..43cf0f0e2902 100644
--- a/fs/quota/quotaio_v2.h
+++ b/fs/quota/quotaio_v2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Definitions of structures for vfsv0 quota format
  */
diff --git a/fs/read_write.c b/fs/read_write.c
index f0d4b16873e8..0046d72efe94 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/read_write.c
  *
diff --git a/fs/readdir.c b/fs/readdir.c
index 89659549c09d..d336db65a33e 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/readdir.c
  *
diff --git a/fs/reiserfs/Makefile b/fs/reiserfs/Makefile
index 3c3b00165114..a39a562c1c10 100644
--- a/fs/reiserfs/Makefile
+++ b/fs/reiserfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux reiser-filesystem routines.
 #
diff --git a/fs/reiserfs/acl.h b/fs/reiserfs/acl.h
index 4a211f5b34b8..0c1c847f992f 100644
--- a/fs/reiserfs/acl.h
+++ b/fs/reiserfs/acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/init.h>
 #include <linux/posix_acl.h>
 
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index f59c667df15b..69ff280bdfe8 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Write ahead logging implementation copyright Chris Mason 2000
  *
diff --git a/fs/reiserfs/lock.c b/fs/reiserfs/lock.c
index 045b83ef9fd9..46bd7bd63a71 100644
--- a/fs/reiserfs/lock.c
+++ b/fs/reiserfs/lock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "reiserfs.h"
 #include <linux/mutex.h>
 
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 1d34377fef97..48835a659948 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 1996, 1997, 1998 Hans Reiser, see reiserfs/README for
  * licensing and copyright details
diff --git a/fs/reiserfs/tail_conversion.c b/fs/reiserfs/tail_conversion.c
index 2d5489b0a269..b0ae088dffc7 100644
--- a/fs/reiserfs/tail_conversion.c
+++ b/fs/reiserfs/tail_conversion.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 1999 Hans Reiser, see reiserfs/README for licensing and copyright
  * details
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index e87aa21c30de..46492fb37a4c 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/reiserfs/xattr.c
  *
diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h
index 613ff5aef94e..c764352447ba 100644
--- a/fs/reiserfs/xattr.h
+++ b/fs/reiserfs/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/reiserfs_xattr.h>
 #include <linux/init.h>
 #include <linux/list.h>
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 54415f0e3d18..aa9380bac196 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/capability.h>
 #include <linux/fs.h>
 #include <linux/posix_acl.h>
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index e4cbb7719906..20be9a0e5870 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "reiserfs.h"
 #include <linux/errno.h>
 #include <linux/fs.h>
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index f15a5f9e84ce..5ed48da3d02b 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "reiserfs.h"
 #include <linux/capability.h>
 #include <linux/errno.h>
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index dc59df43b2db..a573ca45bacc 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "reiserfs.h"
 #include <linux/errno.h>
 #include <linux/fs.h>
diff --git a/fs/romfs/Makefile b/fs/romfs/Makefile
index 420beb7d495c..844928f15711 100644
--- a/fs/romfs/Makefile
+++ b/fs/romfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux RomFS filesystem routines.
 #
diff --git a/fs/select.c b/fs/select.c
index c6362e38ae92..063067e606ca 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains the procedures for the handling of select and poll
  *
diff --git a/fs/seq_file.c b/fs/seq_file.c
index dc7c2be963ed..4be761c1a03d 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/seq_file.c
  *
diff --git a/fs/signalfd.c b/fs/signalfd.c
index d2c434112f42..1c667af86da5 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/signalfd.c
  *
diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index 6655631c53ae..7bd9b8b856d0 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux squashfs routines.
 #
diff --git a/fs/stat.c b/fs/stat.c
index 8a6aa8caf891..873785dae022 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/stat.c
  *
diff --git a/fs/statfs.c b/fs/statfs.c
index fab9b6a3c116..c25dd9a26cc1 100644
--- a/fs/statfs.c
+++ b/fs/statfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/syscalls.h>
 #include <linux/export.h>
 #include <linux/fs.h>
diff --git a/fs/super.c b/fs/super.c
index 166c4ee0d0ed..994db21f59bf 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/super.c
  *
diff --git a/fs/sync.c b/fs/sync.c
index a576aa2e6b09..83ac79a960dd 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * High-level sync()-related operations
  */
diff --git a/fs/sysv/balloc.c b/fs/sysv/balloc.c
index 862c1f74a583..0e69dbdf7277 100644
--- a/fs/sysv/balloc.c
+++ b/fs/sysv/balloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/balloc.c
  *
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index f5191cb2c947..88e38cd8f5c9 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/dir.c
  *
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 7ba997e31aeb..45fc79a18594 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/file.c
  *
diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c
index eb963fbb7903..6c9801986af6 100644
--- a/fs/sysv/ialloc.c
+++ b/fs/sysv/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/ialloc.c
  *
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 1c8bf9453a71..3c47b7d5d4cf 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/inode.c
  *
diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index 83809f5b5eca..bcb67b0cabe7 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/itree.c
  *
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index d8817f139763..250b0755b908 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/sysv/namei.c
  *
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index 1e7e27c729af..e913698779c0 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SYSV_H
 #define _SYSV_H
 
diff --git a/fs/timerfd.c b/fs/timerfd.c
index ece0c02d7e63..040612ec9598 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  fs/timerfd.c
  *
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile
index 6f3251c2bf08..9758f709c736 100644
--- a/fs/ubifs/Makefile
+++ b/fs/ubifs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_UBIFS_FS) += ubifs.o
 
 ubifs-y += shrinker.o journal.o file.o dir.o super.o sb.o io.o
diff --git a/fs/ubifs/crypto.c b/fs/ubifs/crypto.c
index 114ba455bac3..16a5d5c82073 100644
--- a/fs/ubifs/crypto.c
+++ b/fs/ubifs/crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "ubifs.h"
 
 static int ubifs_crypt_get_context(struct inode *inode, void *ctx, size_t len)
diff --git a/fs/ubifs/misc.c b/fs/ubifs/misc.c
index 486a2844949f..586fd5b578a7 100644
--- a/fs/ubifs/misc.c
+++ b/fs/ubifs/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include "ubifs.h"
 
diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h
index b1b9a63d8cf3..630426ffb775 100644
--- a/fs/udf/udf_i.h
+++ b/fs/udf/udf_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UDF_I_H
 #define _UDF_I_H
 
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index c13875d669c0..68c9f1d618f5 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_UDF_SB_H
 #define __LINUX_UDF_SB_H
 
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 63b034984378..fa206558128d 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UDF_DECL_H
 #define __UDF_DECL_H
 
diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h
index 6a9f3a9cc428..a4363ac2cfeb 100644
--- a/fs/udf/udfend.h
+++ b/fs/udf/udfend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UDF_ENDIAN_H
 #define __UDF_ENDIAN_H
 
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index f80be4c5df9d..b5cd79065ef9 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/balloc.c
  *
diff --git a/fs/ufs/cylinder.c b/fs/ufs/cylinder.c
index b4676322ddb6..1abe5454de47 100644
--- a/fs/ufs/cylinder.c
+++ b/fs/ufs/cylinder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/cylinder.c
  *
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 48609f1d9580..2edc1755b7c5 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/ufs_dir.c
  *
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 042ddbf110cc..7e087581be7e 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/file.c
  *
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index d1dd8cc33179..916b4a428933 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/ialloc.c
  *
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index f36d6a53687d..afb601c0dda0 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/inode.c
  *
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 8eca4eda8450..32545cd00ceb 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/fs/ufs/namei.c
  *
diff --git a/fs/ufs/swab.h b/fs/ufs/swab.h
index 8d974c4fd18b..a0e1d8c827f4 100644
--- a/fs/ufs/swab.h
+++ b/fs/ufs/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/ufs/swab.h
  *
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index c87f4c3fa9dd..b49e0efdf3d7 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UFS_UFS_H
 #define _UFS_UFS_H 1
 
diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h
index 150eef6f1233..ef9ead44776a 100644
--- a/fs/ufs/ufs_fs.h
+++ b/fs/ufs/ufs_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/ufs_fs.h
  *
diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index 02497a492eb2..4fa633f84274 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ufs/util.c
  *
diff --git a/fs/ufs/util.h b/fs/ufs/util.h
index 9fc7119a1551..1907be6d5808 100644
--- a/fs/ufs/util.h
+++ b/fs/ufs/util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/ufs/util.h
  *
diff --git a/fs/utimes.c b/fs/utimes.c
index 51edb9f9507c..e4b3d7c2c9f5 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/file.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
diff --git a/fs/xfs/libxfs/xfs_cksum.h b/fs/xfs/libxfs/xfs_cksum.h
index 8211f48b98e6..999a290cfd72 100644
--- a/fs/xfs/libxfs/xfs_cksum.h
+++ b/fs/xfs/libxfs/xfs_cksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XFS_CKSUM_H
 #define _XFS_CKSUM_H 1
 
diff --git a/fs/xfs/xfs_discard.h b/fs/xfs/xfs_discard.h
index 0f070f9e44e1..de92d9cc958f 100644
--- a/fs/xfs/xfs_discard.h
+++ b/fs/xfs/xfs_discard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef XFS_DISCARD_H
 #define XFS_DISCARD_H 1
 
diff --git a/fs/xfs/xfs_message.h b/fs/xfs/xfs_message.h
index 85401155750e..34447dca97d1 100644
--- a/fs/xfs/xfs_message.h
+++ b/fs/xfs/xfs_message.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __XFS_MESSAGE_H
 #define __XFS_MESSAGE_H 1
 
diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c
index 4246876df7b7..aa6c5c193f45 100644
--- a/fs/xfs/xfs_pnfs.c
+++ b/fs/xfs/xfs_pnfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2014 Christoph Hellwig.
  */
diff --git a/fs/xfs/xfs_pnfs.h b/fs/xfs/xfs_pnfs.h
index b587cb99b2b7..bf45951e28fe 100644
--- a/fs/xfs/xfs_pnfs.h
+++ b/fs/xfs/xfs_pnfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XFS_PNFS_H
 #define _XFS_PNFS_H 1
 
diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h
index 303315b9693f..d0633fc1fc15 100644
--- a/include/acpi/acpi_io.h
+++ b/include/acpi/acpi_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ACPI_IO_H_
 #define _ACPI_IO_H_
 
diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index 1e3a74f94131..fdebcfc6c8df 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_NUMA_H
 #define __ACPI_NUMA_H
 
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
index c46694abea28..1797e81a3204 100644
--- a/include/acpi/apei.h
+++ b/include/acpi/apei.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * apei.h - ACPI Platform Error Interface
  */
diff --git a/include/acpi/button.h b/include/acpi/button.h
index 1cad8b2d460c..3a2b8535dec6 100644
--- a/include/acpi/button.h
+++ b/include/acpi/button.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ACPI_BUTTON_H
 #define ACPI_BUTTON_H
 
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
index 9061c5c743b3..8feb0c866ee0 100644
--- a/include/acpi/ghes.h
+++ b/include/acpi/ghes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GHES_H
 #define GHES_H
 
diff --git a/include/acpi/pdc_intel.h b/include/acpi/pdc_intel.h
index 552637b0d051..967c552d1cd3 100644
--- a/include/acpi/pdc_intel.h
+++ b/include/acpi/pdc_intel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* _PDC bit definition for Intel processors */
 
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index c1ba00fc4888..d591bb77f592 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_PROCESSOR_H
 #define __ACPI_PROCESSOR_H
 
diff --git a/include/acpi/reboot.h b/include/acpi/reboot.h
index 0419184ce886..14122fc55bbe 100644
--- a/include/acpi/reboot.h
+++ b/include/acpi/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_REBOOT_H
 #define __ACPI_REBOOT_H
 
diff --git a/include/acpi/video.h b/include/acpi/video.h
index bfe484da55d2..db8548ff03ce 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACPI_VIDEO_H
 #define __ACPI_VIDEO_H
 
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
index 928fd66b1271..89f3b03b1445 100644
--- a/include/asm-generic/4level-fixup.h
+++ b/include/asm-generic/4level-fixup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _4LEVEL_FIXUP_H
 #define _4LEVEL_FIXUP_H
 
diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h
index b5ca82dc4175..dfbd9d990637 100644
--- a/include/asm-generic/5level-fixup.h
+++ b/include/asm-generic/5level-fixup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _5LEVEL_FIXUP_H
 #define _5LEVEL_FIXUP_H
 
diff --git a/include/asm-generic/asm-prototypes.h b/include/asm-generic/asm-prototypes.h
index 939869c772b1..2fa2bc208383 100644
--- a/include/asm-generic/asm-prototypes.h
+++ b/include/asm-generic/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/bitops.h>
 #undef __memset
 extern void *__memset(void *, int, __kernel_size_t);
diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
index 288cc9e96395..49be4bba1e96 100644
--- a/include/asm-generic/atomic-long.h
+++ b/include/asm-generic/atomic-long.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_ATOMIC_LONG_H
 #define _ASM_GENERIC_ATOMIC_LONG_H
 /*
diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h
index a1865537339b..331670807cf0 100644
--- a/include/asm-generic/audit_change_attr.h
+++ b/include/asm-generic/audit_change_attr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __NR_chmod
 __NR_chmod,
 #endif
diff --git a/include/asm-generic/audit_dir_write.h b/include/asm-generic/audit_dir_write.h
index 7b61db4fe72b..8fb83b43006a 100644
--- a/include/asm-generic/audit_dir_write.h
+++ b/include/asm-generic/audit_dir_write.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __NR_rename
 __NR_rename,
 #endif
diff --git a/include/asm-generic/audit_read.h b/include/asm-generic/audit_read.h
index 3b249cb857dc..7bb7b5a83ae2 100644
--- a/include/asm-generic/audit_read.h
+++ b/include/asm-generic/audit_read.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __NR_readlink
 __NR_readlink,
 #endif
diff --git a/include/asm-generic/audit_write.h b/include/asm-generic/audit_write.h
index 274575d7129f..dfc52b3c103f 100644
--- a/include/asm-generic/audit_write.h
+++ b/include/asm-generic/audit_write.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/audit_dir_write.h>
 __NR_acct,
 #ifdef __NR_swapon
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
index dcdcacf2fd2b..bfc96bf6606e 100644
--- a/include/asm-generic/bitops.h
+++ b/include/asm-generic/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_BITOPS_H
 #define __ASM_GENERIC_BITOPS_H
 
diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h
index 937d7c435575..39e56e1c7203 100644
--- a/include/asm-generic/bitops/__ffs.h
+++ b/include/asm-generic/bitops/__ffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS___FFS_H_
 #define _ASM_GENERIC_BITOPS___FFS_H_
 
diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h
index a60a7ccb6782..03f721a8a2b1 100644
--- a/include/asm-generic/bitops/__fls.h
+++ b/include/asm-generic/bitops/__fls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS___FLS_H_
 #define _ASM_GENERIC_BITOPS___FLS_H_
 
diff --git a/include/asm-generic/bitops/arch_hweight.h b/include/asm-generic/bitops/arch_hweight.h
index 6a211f40665c..c2705e1d220d 100644
--- a/include/asm-generic/bitops/arch_hweight.h
+++ b/include/asm-generic/bitops/arch_hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_
 #define _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_
 
diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index 49673510b484..04deffaf5f7d 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_
 #define _ASM_GENERIC_BITOPS_ATOMIC_H_
 
diff --git a/include/asm-generic/bitops/builtin-__ffs.h b/include/asm-generic/bitops/builtin-__ffs.h
index 90041e3a41f0..87024da44d10 100644
--- a/include/asm-generic/bitops/builtin-__ffs.h
+++ b/include/asm-generic/bitops/builtin-__ffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
 #define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
 
diff --git a/include/asm-generic/bitops/builtin-__fls.h b/include/asm-generic/bitops/builtin-__fls.h
index 0248f386635f..43a5aa9afbdb 100644
--- a/include/asm-generic/bitops/builtin-__fls.h
+++ b/include/asm-generic/bitops/builtin-__fls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_
 #define _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_
 
diff --git a/include/asm-generic/bitops/builtin-ffs.h b/include/asm-generic/bitops/builtin-ffs.h
index 064825829e1c..458c85ebcd15 100644
--- a/include/asm-generic/bitops/builtin-ffs.h
+++ b/include/asm-generic/bitops/builtin-ffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
 #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
 
diff --git a/include/asm-generic/bitops/builtin-fls.h b/include/asm-generic/bitops/builtin-fls.h
index eda652d0ac7f..62daf940989d 100644
--- a/include/asm-generic/bitops/builtin-fls.h
+++ b/include/asm-generic/bitops/builtin-fls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_
 #define _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_
 
diff --git a/include/asm-generic/bitops/const_hweight.h b/include/asm-generic/bitops/const_hweight.h
index 0a7e06623470..149faeeeeaf2 100644
--- a/include/asm-generic/bitops/const_hweight.h
+++ b/include/asm-generic/bitops/const_hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_
 #define _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_
 
diff --git a/include/asm-generic/bitops/ext2-atomic-setbit.h b/include/asm-generic/bitops/ext2-atomic-setbit.h
index 5a0997857b34..b041cbf0d899 100644
--- a/include/asm-generic/bitops/ext2-atomic-setbit.h
+++ b/include/asm-generic/bitops/ext2-atomic-setbit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_
 #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_
 
diff --git a/include/asm-generic/bitops/ext2-atomic.h b/include/asm-generic/bitops/ext2-atomic.h
index 87f0f109d7f1..0cfc3180b074 100644
--- a/include/asm-generic/bitops/ext2-atomic.h
+++ b/include/asm-generic/bitops/ext2-atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
 #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
 
diff --git a/include/asm-generic/bitops/ffs.h b/include/asm-generic/bitops/ffs.h
index fbbb43af7dc0..e81868b2c0f0 100644
--- a/include/asm-generic/bitops/ffs.h
+++ b/include/asm-generic/bitops/ffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_FFS_H_
 #define _ASM_GENERIC_BITOPS_FFS_H_
 
diff --git a/include/asm-generic/bitops/ffz.h b/include/asm-generic/bitops/ffz.h
index 6744bd4cdf46..0d010085fdec 100644
--- a/include/asm-generic/bitops/ffz.h
+++ b/include/asm-generic/bitops/ffz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_FFZ_H_
 #define _ASM_GENERIC_BITOPS_FFZ_H_
 
diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h
index 998d4d544f18..1ba611e16fa0 100644
--- a/include/asm-generic/bitops/find.h
+++ b/include/asm-generic/bitops/find.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_FIND_H_
 #define _ASM_GENERIC_BITOPS_FIND_H_
 
diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h
index 0576d1f42f43..753aecaab641 100644
--- a/include/asm-generic/bitops/fls.h
+++ b/include/asm-generic/bitops/fls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_FLS_H_
 #define _ASM_GENERIC_BITOPS_FLS_H_
 
diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h
index b097cf8444e3..866f2b2304ff 100644
--- a/include/asm-generic/bitops/fls64.h
+++ b/include/asm-generic/bitops/fls64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_FLS64_H_
 #define _ASM_GENERIC_BITOPS_FLS64_H_
 
diff --git a/include/asm-generic/bitops/hweight.h b/include/asm-generic/bitops/hweight.h
index a94d6519c7ed..6bf1bba83589 100644
--- a/include/asm-generic/bitops/hweight.h
+++ b/include/asm-generic/bitops/hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_HWEIGHT_H_
 #define _ASM_GENERIC_BITOPS_HWEIGHT_H_
 
diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h
index 61731543c00e..188d3eba3ace 100644
--- a/include/asm-generic/bitops/le.h
+++ b/include/asm-generic/bitops/le.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_LE_H_
 #define _ASM_GENERIC_BITOPS_LE_H_
 
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index 8ef0ccbf8167..bc397573c43a 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_LOCK_H_
 #define _ASM_GENERIC_BITOPS_LOCK_H_
 
diff --git a/include/asm-generic/bitops/non-atomic.h b/include/asm-generic/bitops/non-atomic.h
index 697cc2b7e0f0..7e10c4b50c5d 100644
--- a/include/asm-generic/bitops/non-atomic.h
+++ b/include/asm-generic/bitops/non-atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
 #define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
 
diff --git a/include/asm-generic/bitops/sched.h b/include/asm-generic/bitops/sched.h
index 604fab7031a6..86470cfcef60 100644
--- a/include/asm-generic/bitops/sched.h
+++ b/include/asm-generic/bitops/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BITOPS_SCHED_H_
 #define _ASM_GENERIC_BITOPS_SCHED_H_
 
diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h
index d1d70aa19021..3905c1c93dc2 100644
--- a/include/asm-generic/bitsperlong.h
+++ b/include/asm-generic/bitsperlong.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_BITS_PER_LONG
 #define __ASM_GENERIC_BITS_PER_LONG
 
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 87191357d303..af2cc94a61bf 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_BUG_H
 #define _ASM_GENERIC_BUG_H
 
diff --git a/include/asm-generic/bugs.h b/include/asm-generic/bugs.h
index 6c4f62ea714d..69021830f078 100644
--- a/include/asm-generic/bugs.h
+++ b/include/asm-generic/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_BUGS_H
 #define __ASM_GENERIC_BUGS_H
 /*
diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h
index 1bfcfe5c2237..60386e164246 100644
--- a/include/asm-generic/cache.h
+++ b/include/asm-generic/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_CACHE_H
 #define __ASM_GENERIC_CACHE_H
 /*
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h
index 87bc536ccde3..0dd47a6db2cf 100644
--- a/include/asm-generic/cacheflush.h
+++ b/include/asm-generic/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_CACHEFLUSH_H
 #define __ASM_CACHEFLUSH_H
 
diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h
index 3150cbd8eb21..34785c0f57b0 100644
--- a/include/asm-generic/checksum.h
+++ b/include/asm-generic/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_CHECKSUM_H
 #define __ASM_GENERIC_CHECKSUM_H
 
diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h
index 70bef78912b7..f17f14f84d09 100644
--- a/include/asm-generic/cmpxchg-local.h
+++ b/include/asm-generic/cmpxchg-local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_CMPXCHG_LOCAL_H
 #define __ASM_GENERIC_CMPXCHG_LOCAL_H
 
diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h
index e5f9080e8e86..9a24510cd8c1 100644
--- a/include/asm-generic/cmpxchg.h
+++ b/include/asm-generic/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generic UP xchg and cmpxchg using interrupt disablement.  Does not
  * support SMP.
diff --git a/include/asm-generic/current.h b/include/asm-generic/current.h
index 5e86f6ae7cab..3a2e224b9fa0 100644
--- a/include/asm-generic/current.h
+++ b/include/asm-generic/current.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_CURRENT_H
 #define __ASM_GENERIC_CURRENT_H
 
diff --git a/include/asm-generic/delay.h b/include/asm-generic/delay.h
index 0f79054ce7cd..e448ac61430c 100644
--- a/include/asm-generic/delay.h
+++ b/include/asm-generic/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_DELAY_H
 #define __ASM_GENERIC_DELAY_H
 
diff --git a/include/asm-generic/div64.h b/include/asm-generic/div64.h
index 163f77999ea4..d2013064dc69 100644
--- a/include/asm-generic/div64.h
+++ b/include/asm-generic/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_DIV64_H
 #define _ASM_GENERIC_DIV64_H
 /*
diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h
index 292c571750f0..f24b0f9a4f05 100644
--- a/include/asm-generic/dma-contiguous.h
+++ b/include/asm-generic/dma-contiguous.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_DMA_CONTIGUOUS_H
 #define _ASM_GENERIC_DMA_CONTIGUOUS_H
 
diff --git a/include/asm-generic/dma.h b/include/asm-generic/dma.h
index 9dfc3a7f36d2..43d0c8af8058 100644
--- a/include/asm-generic/dma.h
+++ b/include/asm-generic/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_DMA_H
 #define __ASM_GENERIC_DMA_H
 /*
diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h
index 2edef8d7fa6b..9def22e6e2b3 100644
--- a/include/asm-generic/early_ioremap.h
+++ b/include/asm-generic/early_ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EARLY_IOREMAP_H_
 #define _ASM_EARLY_IOREMAP_H_
 
diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h
index 0d68a1eae985..445de38b795e 100644
--- a/include/asm-generic/emergency-restart.h
+++ b/include/asm-generic/emergency-restart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H
 #define _ASM_GENERIC_EMERGENCY_RESTART_H
 
diff --git a/include/asm-generic/extable.h b/include/asm-generic/extable.h
index ca14c6664027..f9618bd0723a 100644
--- a/include/asm-generic/extable.h
+++ b/include/asm-generic/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_EXTABLE_H
 #define __ASM_GENERIC_EXTABLE_H
 
diff --git a/include/asm-generic/fb.h b/include/asm-generic/fb.h
index fe8ca7fcea00..f9f18101ed36 100644
--- a/include/asm-generic/fb.h
+++ b/include/asm-generic/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_FB_H_
 #define __ASM_GENERIC_FB_H_
 #include <linux/fb.h>
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index f0d8b1c51343..fcb61b4659b3 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_FUTEX_H
 #define _ASM_GENERIC_FUTEX_H
 
diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h
index 65e4468ac53d..c64bea7a52be 100644
--- a/include/asm-generic/getorder.h
+++ b/include/asm-generic/getorder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_GETORDER_H
 #define __ASM_GENERIC_GETORDER_H
 
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 8ca627dcea11..19eadac415c4 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_GPIO_H
 #define _ASM_GENERIC_GPIO_H
 
diff --git a/include/asm-generic/hardirq.h b/include/asm-generic/hardirq.h
index 04d0a977cd43..d14214dfc10b 100644
--- a/include/asm-generic/hardirq.h
+++ b/include/asm-generic/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_HARDIRQ_H
 #define __ASM_GENERIC_HARDIRQ_H
 
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 540354f94f83..9d0cde8ab716 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_HUGETLB_H
 #define _ASM_GENERIC_HUGETLB_H
 
diff --git a/include/asm-generic/ide_iops.h b/include/asm-generic/ide_iops.h
index 1b91d0681914..81dfa3ee5e06 100644
--- a/include/asm-generic/ide_iops.h
+++ b/include/asm-generic/ide_iops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Generic I/O and MEMIO string operations.  */
 
 #define __ide_insw	insw
diff --git a/include/asm-generic/int-ll64.h b/include/asm-generic/int-ll64.h
index 4cd84855cb46..ffb68d67be5f 100644
--- a/include/asm-generic/int-ll64.h
+++ b/include/asm-generic/int-ll64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asm-generic/int-ll64.h
  *
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h
index 297fb0d7cd6c..9fda9ed000cd 100644
--- a/include/asm-generic/ioctl.h
+++ b/include/asm-generic/ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_IOCTL_H
 #define _ASM_GENERIC_IOCTL_H
 
diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h
index 650fede33c25..5b63b94ef6b5 100644
--- a/include/asm-generic/iomap.h
+++ b/include/asm-generic/iomap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GENERIC_IO_H
 #define __GENERIC_IO_H
 
diff --git a/include/asm-generic/irq.h b/include/asm-generic/irq.h
index b90ec0bc485f..da21de991e84 100644
--- a/include/asm-generic/irq.h
+++ b/include/asm-generic/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_IRQ_H
 #define __ASM_GENERIC_IRQ_H
 
diff --git a/include/asm-generic/irq_work.h b/include/asm-generic/irq_work.h
index a44f452c6590..d5dce06f74b8 100644
--- a/include/asm-generic/irq_work.h
+++ b/include/asm-generic/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IRQ_WORK_H
 #define __ASM_IRQ_WORK_H
 
diff --git a/include/asm-generic/irqflags.h b/include/asm-generic/irqflags.h
index 1f40d0024cf3..19ccbf483a24 100644
--- a/include/asm-generic/irqflags.h
+++ b/include/asm-generic/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_IRQFLAGS_H
 #define __ASM_GENERIC_IRQFLAGS_H
 
diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h
index d1814497bcdb..2b10b31b02d0 100644
--- a/include/asm-generic/kdebug.h
+++ b/include/asm-generic/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_KDEBUG_H
 #define _ASM_GENERIC_KDEBUG_H
 
diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
index 90f99c74dd38..9f95b7b63d19 100644
--- a/include/asm-generic/kmap_types.h
+++ b/include/asm-generic/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_KMAP_TYPES_H
 #define _ASM_GENERIC_KMAP_TYPES_H
 
diff --git a/include/asm-generic/kprobes.h b/include/asm-generic/kprobes.h
index 57af9f21d148..4a982089c95c 100644
--- a/include/asm-generic/kprobes.h
+++ b/include/asm-generic/kprobes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_KPROBES_H
 #define _ASM_GENERIC_KPROBES_H
 
diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h
index fa25becbdcaf..18c6abe81fbd 100644
--- a/include/asm-generic/kvm_para.h
+++ b/include/asm-generic/kvm_para.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_KVM_PARA_H
 #define _ASM_GENERIC_KVM_PARA_H
 
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index 9ceb03b4f466..fca7f1d84818 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_LOCAL_H
 #define _ASM_GENERIC_LOCAL_H
 
diff --git a/include/asm-generic/local64.h b/include/asm-generic/local64.h
index 5980002b8b7b..765be0b7d883 100644
--- a/include/asm-generic/local64.h
+++ b/include/asm-generic/local64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_LOCAL64_H
 #define _ASM_GENERIC_LOCAL64_H
 
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 5148150cc80b..7637fb46ba4f 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MEMORY_MODEL_H
 #define __ASM_MEMORY_MODEL_H
 
diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h
index 41e5b6784b97..ea189d88a3cc 100644
--- a/include/asm-generic/mm_hooks.h
+++ b/include/asm-generic/mm_hooks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap
  * and arch_unmap to be included in asm-FOO/mmu_context.h for any
diff --git a/include/asm-generic/mmu.h b/include/asm-generic/mmu.h
index 0ed3f1cfb854..061838037542 100644
--- a/include/asm-generic/mmu.h
+++ b/include/asm-generic/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_MMU_H
 #define __ASM_GENERIC_MMU_H
 
diff --git a/include/asm-generic/mmu_context.h b/include/asm-generic/mmu_context.h
index a7eec910ba6c..6be9106fb6fb 100644
--- a/include/asm-generic/mmu_context.h
+++ b/include/asm-generic/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_MMU_CONTEXT_H
 #define __ASM_GENERIC_MMU_CONTEXT_H
 
diff --git a/include/asm-generic/module.h b/include/asm-generic/module.h
index 14dc41d185a7..98e1541b72b7 100644
--- a/include/asm-generic/module.h
+++ b/include/asm-generic/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_MODULE_H
 #define __ASM_GENERIC_MODULE_H
 
diff --git a/include/asm-generic/msi.h b/include/asm-generic/msi.h
index 61c58d8878ce..e6795f088bdd 100644
--- a/include/asm-generic/msi.h
+++ b/include/asm-generic/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_MSI_H
 #define __ASM_GENERIC_MSI_H
 
diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h
index 67cfb7dbc284..27bf3377b0cb 100644
--- a/include/asm-generic/page.h
+++ b/include/asm-generic/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_PAGE_H
 #define __ASM_GENERIC_PAGE_H
 /*
diff --git a/include/asm-generic/param.h b/include/asm-generic/param.h
index 04e715bccceb..8d3009dd28ff 100644
--- a/include/asm-generic/param.h
+++ b/include/asm-generic/param.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_PARAM_H
 #define __ASM_GENERIC_PARAM_H
 
diff --git a/include/asm-generic/parport.h b/include/asm-generic/parport.h
index 2c9f9d4336ca..483991d619a7 100644
--- a/include/asm-generic/parport.h
+++ b/include/asm-generic/parport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_PARPORT_H
 #define __ASM_GENERIC_PARPORT_H
 
diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h
index f24bc519bf31..830d7659289b 100644
--- a/include/asm-generic/pci.h
+++ b/include/asm-generic/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm-generic/pci.h
  *
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 976f8ac26665..1817a8415a5e 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_PERCPU_H_
 #define _ASM_GENERIC_PERCPU_H_
 
diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h
index 9e429d08b1f8..948714c1535a 100644
--- a/include/asm-generic/pgalloc.h
+++ b/include/asm-generic/pgalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_PGALLOC_H
 #define __ASM_GENERIC_PGALLOC_H
 /*
diff --git a/include/asm-generic/pgtable-nop4d-hack.h b/include/asm-generic/pgtable-nop4d-hack.h
index 752fb7511750..0c34215263b8 100644
--- a/include/asm-generic/pgtable-nop4d-hack.h
+++ b/include/asm-generic/pgtable-nop4d-hack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PGTABLE_NOP4D_HACK_H
 #define _PGTABLE_NOP4D_HACK_H
 
diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h
index de364ecb8df6..8f22f55de17a 100644
--- a/include/asm-generic/pgtable-nop4d.h
+++ b/include/asm-generic/pgtable-nop4d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PGTABLE_NOP4D_H
 #define _PGTABLE_NOP4D_H
 
diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index 725612b793ce..f35f6e8149e4 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PGTABLE_NOPMD_H
 #define _PGTABLE_NOPMD_H
 
diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
index c2b9b96d6268..e950b9c50f34 100644
--- a/include/asm-generic/pgtable-nopud.h
+++ b/include/asm-generic/pgtable-nopud.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PGTABLE_NOPUD_H
 #define _PGTABLE_NOPUD_H
 
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 8e0243036564..757dc6ffc7ba 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_PGTABLE_H
 #define _ASM_GENERIC_PGTABLE_H
 
diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h
index c1cde3577551..c3046c920063 100644
--- a/include/asm-generic/preempt.h
+++ b/include/asm-generic/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_PREEMPT_H
 #define __ASM_PREEMPT_H
 
diff --git a/include/asm-generic/qrwlock_types.h b/include/asm-generic/qrwlock_types.h
index 0abc6b6062fb..d93573eff162 100644
--- a/include/asm-generic/qrwlock_types.h
+++ b/include/asm-generic/qrwlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_QRWLOCK_TYPES_H
 #define __ASM_GENERIC_QRWLOCK_TYPES_H
 
diff --git a/include/asm-generic/resource.h b/include/asm-generic/resource.h
index 5e752b959054..8874f681b056 100644
--- a/include/asm-generic/resource.h
+++ b/include/asm-generic/resource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_RESOURCE_H
 #define _ASM_GENERIC_RESOURCE_H
 
diff --git a/include/asm-generic/rwsem.h b/include/asm-generic/rwsem.h
index 6c6a2141f271..bdbe43bac230 100644
--- a/include/asm-generic/rwsem.h
+++ b/include/asm-generic/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_RWSEM_H
 #define _ASM_GENERIC_RWSEM_H
 
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index e5da44eddd2f..6d9576931084 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_SECTIONS_H_
 #define _ASM_GENERIC_SECTIONS_H_
 
diff --git a/include/asm-generic/serial.h b/include/asm-generic/serial.h
index 5e291090fe04..ca9f7b6be3f0 100644
--- a/include/asm-generic/serial.h
+++ b/include/asm-generic/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_SERIAL_H
 #define __ASM_GENERIC_SERIAL_H
 
diff --git a/include/asm-generic/set_memory.h b/include/asm-generic/set_memory.h
index 83e81f8996b2..c86abf6bc7ba 100644
--- a/include/asm-generic/set_memory.h
+++ b/include/asm-generic/set_memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SET_MEMORY_H
 #define __ASM_SET_MEMORY_H
 
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
index d840c90a157a..c53984fa9761 100644
--- a/include/asm-generic/signal.h
+++ b/include/asm-generic/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_SIGNAL_H
 #define __ASM_GENERIC_SIGNAL_H
 
diff --git a/include/asm-generic/simd.h b/include/asm-generic/simd.h
index f57eb7b5c23b..d0343d58a74a 100644
--- a/include/asm-generic/simd.h
+++ b/include/asm-generic/simd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <linux/hardirq.h>
 
diff --git a/include/asm-generic/spinlock.h b/include/asm-generic/spinlock.h
index 1547a03ac50f..adaf6acab172 100644
--- a/include/asm-generic/spinlock.h
+++ b/include/asm-generic/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_SPINLOCK_H
 #define __ASM_GENERIC_SPINLOCK_H
 /*
diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h
index 4b934e9ec970..f88dcd8ed9dd 100644
--- a/include/asm-generic/statfs.h
+++ b/include/asm-generic/statfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GENERIC_STATFS_H
 #define _GENERIC_STATFS_H
 
diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index 1f74be5113b2..933ca6581aba 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_SYSCALLS_H
 #define __ASM_GENERIC_SYSCALLS_H
 
diff --git a/include/asm-generic/termios-base.h b/include/asm-generic/termios-base.h
index 157bbf6f4510..59c5a3bd4a6e 100644
--- a/include/asm-generic/termios-base.h
+++ b/include/asm-generic/termios-base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* termios.h: generic termios/termio user copying/translation
  */
 
diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h
index 8c13a16b074e..b1398d0d4a1d 100644
--- a/include/asm-generic/termios.h
+++ b/include/asm-generic/termios.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_TERMIOS_H
 #define _ASM_GENERIC_TERMIOS_H
 
diff --git a/include/asm-generic/timex.h b/include/asm-generic/timex.h
index b2243cb8d6f6..50ba9b5ce983 100644
--- a/include/asm-generic/timex.h
+++ b/include/asm-generic/timex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_TIMEX_H
 #define __ASM_GENERIC_TIMEX_H
 
diff --git a/include/asm-generic/tlbflush.h b/include/asm-generic/tlbflush.h
index d6d0a88430fe..dc2669289faf 100644
--- a/include/asm-generic/tlbflush.h
+++ b/include/asm-generic/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_TLBFLUSH_H
 #define __ASM_GENERIC_TLBFLUSH_H
 /*
diff --git a/include/asm-generic/trace_clock.h b/include/asm-generic/trace_clock.h
index 6726f1bafb5e..cbbca295931a 100644
--- a/include/asm-generic/trace_clock.h
+++ b/include/asm-generic/trace_clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_TRACE_CLOCK_H
 #define _ASM_GENERIC_TRACE_CLOCK_H
 /*
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index 2e51f6e7b3c2..6b2e63df2739 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_UACCESS_H
 #define __ASM_GENERIC_UACCESS_H
 
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
index 1ac097279db1..374c940e9be1 100644
--- a/include/asm-generic/unaligned.h
+++ b/include/asm-generic/unaligned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_UNALIGNED_H
 #define __ASM_GENERIC_UNALIGNED_H
 
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index cccc86ecfeaa..cdf904265caf 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <uapi/asm-generic/unistd.h>
 #include <linux/export.h>
 
diff --git a/include/asm-generic/vga.h b/include/asm-generic/vga.h
index 36c8ff52016b..adf91a783b5c 100644
--- a/include/asm-generic/vga.h
+++ b/include/asm-generic/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h
index 011dde083f23..20c93f08c993 100644
--- a/include/asm-generic/word-at-a-time.h
+++ b/include/asm-generic/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
diff --git a/include/clocksource/timer-sp804.h b/include/clocksource/timer-sp804.h
index 7654d71243dd..a5b41f31a1c2 100644
--- a/include/clocksource/timer-sp804.h
+++ b/include/clocksource/timer-sp804.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CLKSOURCE_TIMER_SP804_H
 #define __CLKSOURCE_TIMER_SP804_H
 
diff --git a/include/crypto/ablk_helper.h b/include/crypto/ablk_helper.h
index 4f93df50c23e..4e655c2a4e15 100644
--- a/include/crypto/ablk_helper.h
+++ b/include/crypto/ablk_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared async block cipher helpers
  */
diff --git a/include/crypto/aes.h b/include/crypto/aes.h
index 7524ba3b6f3c..852eaa9cd4db 100644
--- a/include/crypto/aes.h
+++ b/include/crypto/aes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for AES algorithms
  */
diff --git a/include/crypto/blowfish.h b/include/crypto/blowfish.h
index 1450d4a27980..9b384670b356 100644
--- a/include/crypto/blowfish.h
+++ b/include/crypto/blowfish.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for blowfish algorithms
  */
diff --git a/include/crypto/cast5.h b/include/crypto/cast5.h
index 14fbf39d6380..3d4ed4ea9c3b 100644
--- a/include/crypto/cast5.h
+++ b/include/crypto/cast5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_CAST5_H
 #define _CRYPTO_CAST5_H
 
diff --git a/include/crypto/cast6.h b/include/crypto/cast6.h
index 32b60eb8bd24..c71f6ef47f0f 100644
--- a/include/crypto/cast6.h
+++ b/include/crypto/cast6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_CAST6_H
 #define _CRYPTO_CAST6_H
 
diff --git a/include/crypto/cast_common.h b/include/crypto/cast_common.h
index b7df35cd9f0a..b90090244164 100644
--- a/include/crypto/cast_common.h
+++ b/include/crypto/cast_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_CAST_COMMON_H
 #define _CRYPTO_CAST_COMMON_H
 
diff --git a/include/crypto/chacha20.h b/include/crypto/chacha20.h
index 445fc45f4b5b..caaa470389e0 100644
--- a/include/crypto/chacha20.h
+++ b/include/crypto/chacha20.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for the ChaCha20 algorithm
  */
diff --git a/include/crypto/cryptd.h b/include/crypto/cryptd.h
index 94418cbf9013..1e64f354c2b8 100644
--- a/include/crypto/cryptd.h
+++ b/include/crypto/cryptd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Software async crypto daemon
  *
diff --git a/include/crypto/crypto_wq.h b/include/crypto/crypto_wq.h
index a7d252daf91b..23114746ac08 100644
--- a/include/crypto/crypto_wq.h
+++ b/include/crypto/crypto_wq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CRYPTO_WQ_H
 #define CRYPTO_WQ_H
 
diff --git a/include/crypto/des.h b/include/crypto/des.h
index fc6274c6bb26..d4094d58ac54 100644
--- a/include/crypto/des.h
+++ b/include/crypto/des.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * DES & Triple DES EDE Cipher Algorithms.
  */
diff --git a/include/crypto/ghash.h b/include/crypto/ghash.h
index 2a61c9bbab8f..9136301062a5 100644
--- a/include/crypto/ghash.h
+++ b/include/crypto/ghash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for GHASH algorithms
  */
diff --git a/include/crypto/hmac.h b/include/crypto/hmac.h
index ef09f7938204..66774132a7b6 100644
--- a/include/crypto/hmac.h
+++ b/include/crypto/hmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_HMAC_H
 #define _CRYPTO_HMAC_H
 
diff --git a/include/crypto/internal/simd.h b/include/crypto/internal/simd.h
index 429509968f68..32ceb6929885 100644
--- a/include/crypto/internal/simd.h
+++ b/include/crypto/internal/simd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared crypto simd helpers
  */
diff --git a/include/crypto/lrw.h b/include/crypto/lrw.h
index 25a2c8716375..a9d44c06d081 100644
--- a/include/crypto/lrw.h
+++ b/include/crypto/lrw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_LRW_H
 #define _CRYPTO_LRW_H
 
diff --git a/include/crypto/mcryptd.h b/include/crypto/mcryptd.h
index 4a53c0d38cd2..cceafa01f907 100644
--- a/include/crypto/mcryptd.h
+++ b/include/crypto/mcryptd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Software async multibuffer crypto daemon headers
  *
diff --git a/include/crypto/md5.h b/include/crypto/md5.h
index 327deac963c0..cf9e9dec3d21 100644
--- a/include/crypto/md5.h
+++ b/include/crypto/md5.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_MD5_H
 #define _CRYPTO_MD5_H
 
diff --git a/include/crypto/null.h b/include/crypto/null.h
index 3f0c59fb0a61..5757c0a4b321 100644
--- a/include/crypto/null.h
+++ b/include/crypto/null.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Values for NULL algorithms */
 
 #ifndef _CRYPTO_NULL_H
diff --git a/include/crypto/poly1305.h b/include/crypto/poly1305.h
index 894df59b74e4..c65567d01e8e 100644
--- a/include/crypto/poly1305.h
+++ b/include/crypto/poly1305.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for the Poly1305 algorithm
  */
diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h
index b7e0941eb6fc..7dd780c5d058 100644
--- a/include/crypto/serpent.h
+++ b/include/crypto/serpent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for serpent algorithms
  */
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index c94d3eb1cefd..0555b571dd34 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for SHA algorithms
  */
diff --git a/include/crypto/sha3.h b/include/crypto/sha3.h
index f4c9f68f5ffe..b9d9bd553b48 100644
--- a/include/crypto/sha3.h
+++ b/include/crypto/sha3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common values for SHA-3 algorithms
  */
diff --git a/include/crypto/twofish.h b/include/crypto/twofish.h
index 095c901a8af3..2e2c09673d88 100644
--- a/include/crypto/twofish.h
+++ b/include/crypto/twofish.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_TWOFISH_H
 #define _CRYPTO_TWOFISH_H
 
diff --git a/include/crypto/xts.h b/include/crypto/xts.h
index c0bde308b28a..322aab6e78a7 100644
--- a/include/crypto/xts.h
+++ b/include/crypto/xts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CRYPTO_XTS_H
 #define _CRYPTO_XTS_H
 
diff --git a/include/drm/ati_pcigart.h b/include/drm/ati_pcigart.h
index 5765648b5ef7..a728a1364e66 100644
--- a/include/drm/ati_pcigart.h
+++ b/include/drm/ati_pcigart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DRM_ATI_PCIGART_H
 #define DRM_ATI_PCIGART_H
 
diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h
index b2d912670a7f..b05e462276d5 100644
--- a/include/drm/drm_agpsupport.h
+++ b/include/drm/drm_agpsupport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DRM_AGPSUPPORT_H_
 #define _DRM_AGPSUPPORT_H_
 
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index a323781afc3f..1df291d11710 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRM_FB_CMA_HELPER_H__
 #define __DRM_FB_CMA_HELPER_H__
 
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index 58a739bf15f1..520e3feb502c 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRM_GEM_CMA_HELPER_H__
 #define __DRM_GEM_CMA_HELPER_H__
 
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index 104dd517fdbe..4f835490d77a 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRM_OF_H__
 #define __DRM_OF_H__
 
diff --git a/include/drm/drm_os_linux.h b/include/drm/drm_os_linux.h
index 10122353b744..ee8d61b64f29 100644
--- a/include/drm/drm_os_linux.h
+++ b/include/drm/drm_os_linux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * \file drm_os_linux.h
  * OS abstraction macros.
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 8bc073d297db..683742826511 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define radeon_PCI_IDS \
 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
diff --git a/include/drm/drm_sysfs.h b/include/drm/drm_sysfs.h
index 70c9a1074aca..4f311e836cdc 100644
--- a/include/drm/drm_sysfs.h
+++ b/include/drm/drm_sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DRM_SYSFS_H_
 #define _DRM_SYSFS_H_
 
diff --git a/include/drm/i2c/tda998x.h b/include/drm/i2c/tda998x.h
index a25483090cd5..3cb25ccbe5e6 100644
--- a/include/drm/i2c/tda998x.h
+++ b/include/drm/i2c/tda998x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DRM_I2C_TDA998X_H__
 #define __DRM_I2C_TDA998X_H__
 
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index b3bf717cfc45..c5db7975c640 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Common header for intel-gtt.ko and i915.ko */
 
 #ifndef _DRM_INTEL_GTT_H
diff --git a/include/dt-bindings/clock/berlin2.h b/include/dt-bindings/clock/berlin2.h
index 0c30800175df..b07b8efab075 100644
--- a/include/dt-bindings/clock/berlin2.h
+++ b/include/dt-bindings/clock/berlin2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Berlin2 BG2/BG2CD clock tree IDs
  */
diff --git a/include/dt-bindings/clock/berlin2q.h b/include/dt-bindings/clock/berlin2q.h
index 72eaf91c9ca6..44b4ac382850 100644
--- a/include/dt-bindings/clock/berlin2q.h
+++ b/include/dt-bindings/clock/berlin2q.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Berlin2 BG2Q clock tree IDs
  */
diff --git a/include/dt-bindings/clock/cortina,gemini-clock.h b/include/dt-bindings/clock/cortina,gemini-clock.h
index acf5cd550b0c..04c3404b2d33 100644
--- a/include/dt-bindings/clock/cortina,gemini-clock.h
+++ b/include/dt-bindings/clock/cortina,gemini-clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DT_BINDINGS_CORTINA_GEMINI_CLOCK_H
 #define DT_BINDINGS_CORTINA_GEMINI_CLOCK_H
 
diff --git a/include/dt-bindings/clock/efm32-cmu.h b/include/dt-bindings/clock/efm32-cmu.h
index b21b91e736af..4b48d15fe194 100644
--- a/include/dt-bindings/clock/efm32-cmu.h
+++ b/include/dt-bindings/clock/efm32-cmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_BINDINGS_CLOCK_EFM32_CMU_H
 #define __DT_BINDINGS_CLOCK_EFM32_CMU_H
 
diff --git a/include/dt-bindings/clock/exynos-audss-clk.h b/include/dt-bindings/clock/exynos-audss-clk.h
index 0ae6f5a75d2a..eee9fcc6e6af 100644
--- a/include/dt-bindings/clock/exynos-audss-clk.h
+++ b/include/dt-bindings/clock/exynos-audss-clk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for Samsung audio subsystem
  * clock controller.
diff --git a/include/dt-bindings/clock/gxbb-clkc.h b/include/dt-bindings/clock/gxbb-clkc.h
index c04a76d8facf..8c92528aa48a 100644
--- a/include/dt-bindings/clock/gxbb-clkc.h
+++ b/include/dt-bindings/clock/gxbb-clkc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GXBB clock tree IDs
  */
diff --git a/include/dt-bindings/clock/jz4740-cgu.h b/include/dt-bindings/clock/jz4740-cgu.h
index 43153d3e9bd2..6ed83f926ae7 100644
--- a/include/dt-bindings/clock/jz4740-cgu.h
+++ b/include/dt-bindings/clock/jz4740-cgu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides clock numbers for the ingenic,jz4740-cgu DT binding.
  *
diff --git a/include/dt-bindings/clock/jz4780-cgu.h b/include/dt-bindings/clock/jz4780-cgu.h
index 467165e3cfee..1859ce53ee38 100644
--- a/include/dt-bindings/clock/jz4780-cgu.h
+++ b/include/dt-bindings/clock/jz4780-cgu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides clock numbers for the ingenic,jz4780-cgu DT binding.
  *
diff --git a/include/dt-bindings/clock/marvell,mmp2.h b/include/dt-bindings/clock/marvell,mmp2.h
index 7a510384a82a..228a5e234af0 100644
--- a/include/dt-bindings/clock/marvell,mmp2.h
+++ b/include/dt-bindings/clock/marvell,mmp2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MARVELL_MMP2_CLOCK_H
 #define __DTS_MARVELL_MMP2_CLOCK_H
 
diff --git a/include/dt-bindings/clock/marvell,pxa168.h b/include/dt-bindings/clock/marvell,pxa168.h
index 3e45bdfe1aa4..caf90436b848 100644
--- a/include/dt-bindings/clock/marvell,pxa168.h
+++ b/include/dt-bindings/clock/marvell,pxa168.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MARVELL_PXA168_CLOCK_H
 #define __DTS_MARVELL_PXA168_CLOCK_H
 
diff --git a/include/dt-bindings/clock/marvell,pxa1928.h b/include/dt-bindings/clock/marvell,pxa1928.h
index d4f2e18919ff..5dca4820297f 100644
--- a/include/dt-bindings/clock/marvell,pxa1928.h
+++ b/include/dt-bindings/clock/marvell,pxa1928.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MARVELL_PXA1928_CLOCK_H
 #define __DTS_MARVELL_PXA1928_CLOCK_H
 
diff --git a/include/dt-bindings/clock/marvell,pxa910.h b/include/dt-bindings/clock/marvell,pxa910.h
index 135082a0b62f..7bf46238946e 100644
--- a/include/dt-bindings/clock/marvell,pxa910.h
+++ b/include/dt-bindings/clock/marvell,pxa910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MARVELL_PXA910_CLOCK_H
 #define __DTS_MARVELL_PXA910_CLOCK_H
 
diff --git a/include/dt-bindings/clock/meson8b-clkc.h b/include/dt-bindings/clock/meson8b-clkc.h
index a9c0306330b6..dea9d46d4fa7 100644
--- a/include/dt-bindings/clock/meson8b-clkc.h
+++ b/include/dt-bindings/clock/meson8b-clkc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Meson8b clock tree IDs
  */
diff --git a/include/dt-bindings/clock/mpc512x-clock.h b/include/dt-bindings/clock/mpc512x-clock.h
index 4f94919327ce..13c316bf2796 100644
--- a/include/dt-bindings/clock/mpc512x-clock.h
+++ b/include/dt-bindings/clock/mpc512x-clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for MPC512x clock specs in DT bindings.
  */
diff --git a/include/dt-bindings/clock/rockchip,rk808.h b/include/dt-bindings/clock/rockchip,rk808.h
index 1a873432f965..75dabfc6adc1 100644
--- a/include/dt-bindings/clock/rockchip,rk808.h
+++ b/include/dt-bindings/clock/rockchip,rk808.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants clk index RK808 pmic clkout
  */
diff --git a/include/dt-bindings/clock/ste-ab8500.h b/include/dt-bindings/clock/ste-ab8500.h
index 6731f1f00a84..fb42dd0cab5f 100644
--- a/include/dt-bindings/clock/ste-ab8500.h
+++ b/include/dt-bindings/clock/ste-ab8500.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __STE_CLK_AB8500_H__
 #define __STE_CLK_AB8500_H__
 
diff --git a/include/dt-bindings/clock/stih407-clks.h b/include/dt-bindings/clock/stih407-clks.h
index 082edd9badfa..f0936c133772 100644
--- a/include/dt-bindings/clock/stih407-clks.h
+++ b/include/dt-bindings/clock/stih407-clks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants clk index STMicroelectronics
  * STiH407 SoC.
diff --git a/include/dt-bindings/clock/stih410-clks.h b/include/dt-bindings/clock/stih410-clks.h
index 2097a4bbe155..90cbe6154c39 100644
--- a/include/dt-bindings/clock/stih410-clks.h
+++ b/include/dt-bindings/clock/stih410-clks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants clk index STMicroelectronics
  * STiH410 SoC.
diff --git a/include/dt-bindings/clock/stih416-clks.h b/include/dt-bindings/clock/stih416-clks.h
index f9bdbd13568d..74302278024e 100644
--- a/include/dt-bindings/clock/stih416-clks.h
+++ b/include/dt-bindings/clock/stih416-clks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants clk index STMicroelectronics
  * STiH416 SoC.
diff --git a/include/dt-bindings/clock/stih418-clks.h b/include/dt-bindings/clock/stih418-clks.h
index b62aa0b20217..0e7fba0c52b3 100644
--- a/include/dt-bindings/clock/stih418-clks.h
+++ b/include/dt-bindings/clock/stih418-clks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants clk index STMicroelectronics
  * STiH418 SoC.
diff --git a/include/dt-bindings/clock/tegra114-car.h b/include/dt-bindings/clock/tegra114-car.h
index ed5ca218c857..bb5c2c999c05 100644
--- a/include/dt-bindings/clock/tegra114-car.h
+++ b/include/dt-bindings/clock/tegra114-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra114-car.
  *
diff --git a/include/dt-bindings/clock/tegra124-car-common.h b/include/dt-bindings/clock/tegra124-car-common.h
index 9352c7e2ce0b..4331f1df6ebe 100644
--- a/include/dt-bindings/clock/tegra124-car-common.h
+++ b/include/dt-bindings/clock/tegra124-car-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra124-car or
  * nvidia,tegra132-car.
diff --git a/include/dt-bindings/clock/tegra124-car.h b/include/dt-bindings/clock/tegra124-car.h
index 2860737f0443..c520ee231950 100644
--- a/include/dt-bindings/clock/tegra124-car.h
+++ b/include/dt-bindings/clock/tegra124-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides Tegra124-specific constants for binding
  * nvidia,tegra124-car.
diff --git a/include/dt-bindings/clock/tegra186-clock.h b/include/dt-bindings/clock/tegra186-clock.h
index f73d32098f99..d6b525f4566f 100644
--- a/include/dt-bindings/clock/tegra186-clock.h
+++ b/include/dt-bindings/clock/tegra186-clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /** @file */
 
 #ifndef _MACH_T186_CLK_T186_H
diff --git a/include/dt-bindings/clock/tegra20-car.h b/include/dt-bindings/clock/tegra20-car.h
index 04500b243a4d..b21a0eb32921 100644
--- a/include/dt-bindings/clock/tegra20-car.h
+++ b/include/dt-bindings/clock/tegra20-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra20-car.
  *
diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h
index 46689cd3750b..a9dc1457cb00 100644
--- a/include/dt-bindings/clock/tegra210-car.h
+++ b/include/dt-bindings/clock/tegra210-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra210-car.
  *
diff --git a/include/dt-bindings/clock/tegra30-car.h b/include/dt-bindings/clock/tegra30-car.h
index 7213354b9652..3c90f1535551 100644
--- a/include/dt-bindings/clock/tegra30-car.h
+++ b/include/dt-bindings/clock/tegra30-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra30-car.
  *
diff --git a/include/dt-bindings/display/tda998x.h b/include/dt-bindings/display/tda998x.h
index 34757a3847ef..746831ff396c 100644
--- a/include/dt-bindings/display/tda998x.h
+++ b/include/dt-bindings/display/tda998x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_TDA998X_H
 #define _DT_BINDINGS_TDA998X_H
 
diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
index c5074584561d..32dd58a3d13c 100644
--- a/include/dt-bindings/gpio/gpio.h
+++ b/include/dt-bindings/gpio/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most GPIO bindings.
  *
diff --git a/include/dt-bindings/gpio/tegra-gpio.h b/include/dt-bindings/gpio/tegra-gpio.h
index a1c09e88e80b..7625dbc577c2 100644
--- a/include/dt-bindings/gpio/tegra-gpio.h
+++ b/include/dt-bindings/gpio/tegra-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra*-gpio.
  *
diff --git a/include/dt-bindings/gpio/tegra186-gpio.h b/include/dt-bindings/gpio/tegra186-gpio.h
index 38001c7023f1..463ad398fe3e 100644
--- a/include/dt-bindings/gpio/tegra186-gpio.h
+++ b/include/dt-bindings/gpio/tegra186-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra186-gpio*.
  *
diff --git a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h
index 87abdd4a7674..08ef4d298b94 100644
--- a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h
+++ b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for configuring the I.MX25 ADC
  */
diff --git a/include/dt-bindings/iio/adi,ad5592r.h b/include/dt-bindings/iio/adi,ad5592r.h
index c48aca1dcade..9f8c7b808cd1 100644
--- a/include/dt-bindings/iio/adi,ad5592r.h
+++ b/include/dt-bindings/iio/adi,ad5592r.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _DT_BINDINGS_ADI_AD5592R_H
 #define _DT_BINDINGS_ADI_AD5592R_H
diff --git a/include/dt-bindings/input/input.h b/include/dt-bindings/input/input.h
index a21413324a3f..bcf0ae100f21 100644
--- a/include/dt-bindings/input/input.h
+++ b/include/dt-bindings/input/input.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most input bindings.
  *
diff --git a/include/dt-bindings/interrupt-controller/arm-gic.h b/include/dt-bindings/interrupt-controller/arm-gic.h
index d4110d5caa3e..0c85f65c81c7 100644
--- a/include/dt-bindings/interrupt-controller/arm-gic.h
+++ b/include/dt-bindings/interrupt-controller/arm-gic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the ARM GIC.
  */
diff --git a/include/dt-bindings/interrupt-controller/irq.h b/include/dt-bindings/interrupt-controller/irq.h
index 33a1003c55aa..a8b310555f14 100644
--- a/include/dt-bindings/interrupt-controller/irq.h
+++ b/include/dt-bindings/interrupt-controller/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most IRQ bindings.
  *
diff --git a/include/dt-bindings/interrupt-controller/mips-gic.h b/include/dt-bindings/interrupt-controller/mips-gic.h
index cf35a577e371..bd45cee0c3f0 100644
--- a/include/dt-bindings/interrupt-controller/mips-gic.h
+++ b/include/dt-bindings/interrupt-controller/mips-gic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_MIPS_GIC_H
 #define _DT_BINDINGS_INTERRUPT_CONTROLLER_MIPS_GIC_H
 
diff --git a/include/dt-bindings/interrupt-controller/mvebu-icu.h b/include/dt-bindings/interrupt-controller/mvebu-icu.h
index 8249558545c7..bb5217c64206 100644
--- a/include/dt-bindings/interrupt-controller/mvebu-icu.h
+++ b/include/dt-bindings/interrupt-controller/mvebu-icu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the MVEBU ICU driver.
  */
diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
index 7958bec7de8c..e171d0a6beb2 100644
--- a/include/dt-bindings/leds/common.h
+++ b/include/dt-bindings/leds/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides macros for the common LEDs device tree bindings.
  *
diff --git a/include/dt-bindings/leds/leds-ns2.h b/include/dt-bindings/leds/leds-ns2.h
index 491c5f974a92..fd615749e703 100644
--- a/include/dt-bindings/leds/leds-ns2.h
+++ b/include/dt-bindings/leds/leds-ns2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_LEDS_NS2_H
 #define _DT_BINDINGS_LEDS_NS2_H
 
diff --git a/include/dt-bindings/mailbox/tegra186-hsp.h b/include/dt-bindings/mailbox/tegra186-hsp.h
index f5d66e5f5f10..bcab5b7ca785 100644
--- a/include/dt-bindings/mailbox/tegra186-hsp.h
+++ b/include/dt-bindings/mailbox/tegra186-hsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra186-hsp.
  */
diff --git a/include/dt-bindings/media/c8sectpfe.h b/include/dt-bindings/media/c8sectpfe.h
index a0b5c7be683c..6b1fb6f5413b 100644
--- a/include/dt-bindings/media/c8sectpfe.h
+++ b/include/dt-bindings/media/c8sectpfe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_C8SECTPFE_H
 #define __DT_C8SECTPFE_H
 
diff --git a/include/dt-bindings/memory/tegra114-mc.h b/include/dt-bindings/memory/tegra114-mc.h
index 8f48985a3139..27c8386987ff 100644
--- a/include/dt-bindings/memory/tegra114-mc.h
+++ b/include/dt-bindings/memory/tegra114-mc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DT_BINDINGS_MEMORY_TEGRA114_MC_H
 #define DT_BINDINGS_MEMORY_TEGRA114_MC_H
 
diff --git a/include/dt-bindings/memory/tegra124-mc.h b/include/dt-bindings/memory/tegra124-mc.h
index 7d8ee798f34e..f534d7c06019 100644
--- a/include/dt-bindings/memory/tegra124-mc.h
+++ b/include/dt-bindings/memory/tegra124-mc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DT_BINDINGS_MEMORY_TEGRA124_MC_H
 #define DT_BINDINGS_MEMORY_TEGRA124_MC_H
 
diff --git a/include/dt-bindings/memory/tegra210-mc.h b/include/dt-bindings/memory/tegra210-mc.h
index d1731bc14dbc..4490f7cf4772 100644
--- a/include/dt-bindings/memory/tegra210-mc.h
+++ b/include/dt-bindings/memory/tegra210-mc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DT_BINDINGS_MEMORY_TEGRA210_MC_H
 #define DT_BINDINGS_MEMORY_TEGRA210_MC_H
 
diff --git a/include/dt-bindings/memory/tegra30-mc.h b/include/dt-bindings/memory/tegra30-mc.h
index 502beb03d777..3cac81919023 100644
--- a/include/dt-bindings/memory/tegra30-mc.h
+++ b/include/dt-bindings/memory/tegra30-mc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DT_BINDINGS_MEMORY_TEGRA30_MC_H
 #define DT_BINDINGS_MEMORY_TEGRA30_MC_H
 
diff --git a/include/dt-bindings/mfd/as3722.h b/include/dt-bindings/mfd/as3722.h
index e66c0898c58e..9ef0cba90407 100644
--- a/include/dt-bindings/mfd/as3722.h
+++ b/include/dt-bindings/mfd/as3722.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides macros for ams AS3722 device bindings.
  *
diff --git a/include/dt-bindings/mfd/dbx500-prcmu.h b/include/dt-bindings/mfd/dbx500-prcmu.h
index 552a2d174f01..0404bcc47dd4 100644
--- a/include/dt-bindings/mfd/dbx500-prcmu.h
+++ b/include/dt-bindings/mfd/dbx500-prcmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the PRCMU bindings.
  *
diff --git a/include/dt-bindings/mfd/max77620.h b/include/dt-bindings/mfd/max77620.h
index b911a0720ccd..1e19c5f908d7 100644
--- a/include/dt-bindings/mfd/max77620.h
+++ b/include/dt-bindings/mfd/max77620.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides macros for MAXIM MAX77620 device bindings.
  *
diff --git a/include/dt-bindings/mfd/palmas.h b/include/dt-bindings/mfd/palmas.h
index cdb075aae4e1..c4f1d57ff4ff 100644
--- a/include/dt-bindings/mfd/palmas.h
+++ b/include/dt-bindings/mfd/palmas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides macros for Palmas device bindings.
  *
diff --git a/include/dt-bindings/mfd/qcom-rpm.h b/include/dt-bindings/mfd/qcom-rpm.h
index 54aef5e21763..c9204c4df520 100644
--- a/include/dt-bindings/mfd/qcom-rpm.h
+++ b/include/dt-bindings/mfd/qcom-rpm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the Qualcomm RPM bindings.
  */
diff --git a/include/dt-bindings/mfd/st-lpc.h b/include/dt-bindings/mfd/st-lpc.h
index d05894afa7e7..88a7f56843bc 100644
--- a/include/dt-bindings/mfd/st-lpc.h
+++ b/include/dt-bindings/mfd/st-lpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides shared DT/Driver defines for ST's LPC device
  *
diff --git a/include/dt-bindings/mfd/stm32f4-rcc.h b/include/dt-bindings/mfd/stm32f4-rcc.h
index 082a81c94298..309e8c79f27b 100644
--- a/include/dt-bindings/mfd/stm32f4-rcc.h
+++ b/include/dt-bindings/mfd/stm32f4-rcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the STM32F4 RCC IP
  */
diff --git a/include/dt-bindings/mfd/stm32f7-rcc.h b/include/dt-bindings/mfd/stm32f7-rcc.h
index e36cc69959c7..8b7b7197ffd7 100644
--- a/include/dt-bindings/mfd/stm32f7-rcc.h
+++ b/include/dt-bindings/mfd/stm32f7-rcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the STM32F7 RCC IP
  */
diff --git a/include/dt-bindings/mux/mux.h b/include/dt-bindings/mux/mux.h
index c8e855c4a609..042719218dbf 100644
--- a/include/dt-bindings/mux/mux.h
+++ b/include/dt-bindings/mux/mux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most Multiplexer bindings.
  *
diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h
index 226f77246a70..7d947a597220 100644
--- a/include/dt-bindings/pinctrl/am33xx.h
+++ b/include/dt-bindings/pinctrl/am33xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants specific to AM33XX pinctrl bindings.
  */
diff --git a/include/dt-bindings/pinctrl/am43xx.h b/include/dt-bindings/pinctrl/am43xx.h
index 344bd1eb3386..46789157660b 100644
--- a/include/dt-bindings/pinctrl/am43xx.h
+++ b/include/dt-bindings/pinctrl/am43xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants specific to AM43XX pinctrl bindings.
  */
diff --git a/include/dt-bindings/pinctrl/dm814x.h b/include/dt-bindings/pinctrl/dm814x.h
index 0f484273da0d..afbabbc4ddbb 100644
--- a/include/dt-bindings/pinctrl/dm814x.h
+++ b/include/dt-bindings/pinctrl/dm814x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants specific to DM814X pinctrl bindings.
  */
diff --git a/include/dt-bindings/pinctrl/mt6397-pinfunc.h b/include/dt-bindings/pinctrl/mt6397-pinfunc.h
index 85739b308c2f..f393fbd68905 100644
--- a/include/dt-bindings/pinctrl/mt6397-pinfunc.h
+++ b/include/dt-bindings/pinctrl/mt6397-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MT6397_PINFUNC_H
 #define __DTS_MT6397_PINFUNC_H
 
diff --git a/include/dt-bindings/pinctrl/mt7623-pinfunc.h b/include/dt-bindings/pinctrl/mt7623-pinfunc.h
index 436a87be864a..2d6a7b1d7be2 100644
--- a/include/dt-bindings/pinctrl/mt7623-pinfunc.h
+++ b/include/dt-bindings/pinctrl/mt7623-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DTS_MT7623_PINFUNC_H
 #define __DTS_MT7623_PINFUNC_H
 
diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h
index fbd6f7202476..49b5dea2b388 100644
--- a/include/dt-bindings/pinctrl/omap.h
+++ b/include/dt-bindings/pinctrl/omap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for OMAP pinctrl bindings.
  *
diff --git a/include/dt-bindings/pinctrl/pinctrl-tegra-xusb.h b/include/dt-bindings/pinctrl/pinctrl-tegra-xusb.h
index 914d56da9324..ac63c399b4b6 100644
--- a/include/dt-bindings/pinctrl/pinctrl-tegra-xusb.h
+++ b/include/dt-bindings/pinctrl/pinctrl-tegra-xusb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_PINCTRL_TEGRA_XUSB_H
 #define _DT_BINDINGS_PINCTRL_TEGRA_XUSB_H 1
 
diff --git a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
index b8ff8824e21b..e5df5ce45a0f 100644
--- a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
+++ b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the Qualcomm PMIC GPIO binding.
  */
diff --git a/include/dt-bindings/pinctrl/qcom,pmic-mpp.h b/include/dt-bindings/pinctrl/qcom,pmic-mpp.h
index 2e360d8f7801..32e66ee7e830 100644
--- a/include/dt-bindings/pinctrl/qcom,pmic-mpp.h
+++ b/include/dt-bindings/pinctrl/qcom,pmic-mpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the Qualcomm PMIC's
  * Multi-Purpose Pin binding.
diff --git a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
index 6b609fe10910..cdb950246880 100644
--- a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
+++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Defines macros and constants for Renesas RZ/A1 pin controller pin
  * muxing functions.
diff --git a/include/dt-bindings/pinctrl/stm32f429-pinfunc.h b/include/dt-bindings/pinctrl/stm32f429-pinfunc.h
index 26f18798d949..9a5a028f0d00 100644
--- a/include/dt-bindings/pinctrl/stm32f429-pinfunc.h
+++ b/include/dt-bindings/pinctrl/stm32f429-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_STM32F429_PINFUNC_H
 #define _DT_BINDINGS_STM32F429_PINFUNC_H
 
diff --git a/include/dt-bindings/pinctrl/stm32f746-pinfunc.h b/include/dt-bindings/pinctrl/stm32f746-pinfunc.h
index 6348c6a830e9..4c28f8f41621 100644
--- a/include/dt-bindings/pinctrl/stm32f746-pinfunc.h
+++ b/include/dt-bindings/pinctrl/stm32f746-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_STM32F746_PINFUNC_H
 #define _DT_BINDINGS_STM32F746_PINFUNC_H
 
diff --git a/include/dt-bindings/pinctrl/stm32h7-pinfunc.h b/include/dt-bindings/pinctrl/stm32h7-pinfunc.h
index cb673b5e8e1e..06d99a8ddbc6 100644
--- a/include/dt-bindings/pinctrl/stm32h7-pinfunc.h
+++ b/include/dt-bindings/pinctrl/stm32h7-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_STM32H7_PINFUNC_H
 #define _DT_BINDINGS_STM32H7_PINFUNC_H
 
diff --git a/include/dt-bindings/power/mt8173-power.h b/include/dt-bindings/power/mt8173-power.h
index b34cee95aa89..15d531aa6e78 100644
--- a/include/dt-bindings/power/mt8173-power.h
+++ b/include/dt-bindings/power/mt8173-power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_POWER_MT8183_POWER_H
 #define _DT_BINDINGS_POWER_MT8183_POWER_H
 
diff --git a/include/dt-bindings/power/rk3288-power.h b/include/dt-bindings/power/rk3288-power.h
index b8b1045f3daa..f710b56ccd81 100644
--- a/include/dt-bindings/power/rk3288-power.h
+++ b/include/dt-bindings/power/rk3288-power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_BINDINGS_POWER_RK3288_POWER_H__
 #define __DT_BINDINGS_POWER_RK3288_POWER_H__
 
diff --git a/include/dt-bindings/power/rk3328-power.h b/include/dt-bindings/power/rk3328-power.h
index 10c3c3715334..02e3d7fc1cce 100644
--- a/include/dt-bindings/power/rk3328-power.h
+++ b/include/dt-bindings/power/rk3328-power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_BINDINGS_POWER_RK3328_POWER_H__
 #define __DT_BINDINGS_POWER_RK3328_POWER_H__
 
diff --git a/include/dt-bindings/power/rk3368-power.h b/include/dt-bindings/power/rk3368-power.h
index 93633d57ed84..5e602dbd64ec 100644
--- a/include/dt-bindings/power/rk3368-power.h
+++ b/include/dt-bindings/power/rk3368-power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_BINDINGS_POWER_RK3368_POWER_H__
 #define __DT_BINDINGS_POWER_RK3368_POWER_H__
 
diff --git a/include/dt-bindings/power/rk3399-power.h b/include/dt-bindings/power/rk3399-power.h
index 168b3bfbd6f5..aedd8b180fe4 100644
--- a/include/dt-bindings/power/rk3399-power.h
+++ b/include/dt-bindings/power/rk3399-power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_BINDINGS_POWER_RK3399_POWER_H__
 #define __DT_BINDINGS_POWER_RK3399_POWER_H__
 
diff --git a/include/dt-bindings/pwm/pwm.h b/include/dt-bindings/pwm/pwm.h
index 96f49e82253e..ab9a077e3c7d 100644
--- a/include/dt-bindings/pwm/pwm.h
+++ b/include/dt-bindings/pwm/pwm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most PWM bindings.
  *
diff --git a/include/dt-bindings/reset/cortina,gemini-reset.h b/include/dt-bindings/reset/cortina,gemini-reset.h
index 0b886aee65e3..f48aff23847a 100644
--- a/include/dt-bindings/reset/cortina,gemini-reset.h
+++ b/include/dt-bindings/reset/cortina,gemini-reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_RESET_CORTINA_GEMINI_H
 #define _DT_BINDINGS_RESET_CORTINA_GEMINI_H
 
diff --git a/include/dt-bindings/reset/hisi,hi6220-resets.h b/include/dt-bindings/reset/hisi,hi6220-resets.h
index 322ec5335b65..e7c362a81a97 100644
--- a/include/dt-bindings/reset/hisi,hi6220-resets.h
+++ b/include/dt-bindings/reset/hisi,hi6220-resets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * This header provides index for the reset controller
  * based on hi6220 SoC.
diff --git a/include/dt-bindings/reset/pistachio-resets.h b/include/dt-bindings/reset/pistachio-resets.h
index 60a189b1faef..5bb4dd0d6377 100644
--- a/include/dt-bindings/reset/pistachio-resets.h
+++ b/include/dt-bindings/reset/pistachio-resets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the reset controller
  * present in the Pistachio SoC
diff --git a/include/dt-bindings/reset/stih407-resets.h b/include/dt-bindings/reset/stih407-resets.h
index 4ab3a1c94958..f2a2c4f7f06a 100644
--- a/include/dt-bindings/reset/stih407-resets.h
+++ b/include/dt-bindings/reset/stih407-resets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the reset controller
  * based peripheral powerdown requests on the STMicroelectronics
diff --git a/include/dt-bindings/reset/stih415-resets.h b/include/dt-bindings/reset/stih415-resets.h
index c2329fe29cf6..96f7831a1db0 100644
--- a/include/dt-bindings/reset/stih415-resets.h
+++ b/include/dt-bindings/reset/stih415-resets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the reset controller
  * based peripheral powerdown requests on the STMicroelectronics
diff --git a/include/dt-bindings/reset/stih416-resets.h b/include/dt-bindings/reset/stih416-resets.h
index fcf9af1ac0b2..f682c906ed5a 100644
--- a/include/dt-bindings/reset/stih416-resets.h
+++ b/include/dt-bindings/reset/stih416-resets.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the reset controller
  * based peripheral powerdown requests on the STMicroelectronics
diff --git a/include/dt-bindings/reset/tegra124-car.h b/include/dt-bindings/reset/tegra124-car.h
index 070e4f6e7486..97d2f3db82bf 100644
--- a/include/dt-bindings/reset/tegra124-car.h
+++ b/include/dt-bindings/reset/tegra124-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides Tegra124-specific constants for binding
  * nvidia,tegra124-car.
diff --git a/include/dt-bindings/reset/tegra210-car.h b/include/dt-bindings/reset/tegra210-car.h
index 296ec6e3f8c0..9dc84ec76301 100644
--- a/include/dt-bindings/reset/tegra210-car.h
+++ b/include/dt-bindings/reset/tegra210-car.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides Tegra210-specific constants for binding
  * nvidia,tegra210-car.
diff --git a/include/dt-bindings/soc/rockchip,boot-mode.h b/include/dt-bindings/soc/rockchip,boot-mode.h
index ae7c867e736a..4b0914c0989d 100644
--- a/include/dt-bindings/soc/rockchip,boot-mode.h
+++ b/include/dt-bindings/soc/rockchip,boot-mode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ROCKCHIP_BOOT_MODE_H
 #define __ROCKCHIP_BOOT_MODE_H
 
diff --git a/include/dt-bindings/sound/apq8016-lpass.h b/include/dt-bindings/sound/apq8016-lpass.h
index 499076e980a3..3c3e16c0aadb 100644
--- a/include/dt-bindings/sound/apq8016-lpass.h
+++ b/include/dt-bindings/sound/apq8016-lpass.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_APQ8016_LPASS_H
 #define __DT_APQ8016_LPASS_H
 
diff --git a/include/dt-bindings/sound/audio-jack-events.h b/include/dt-bindings/sound/audio-jack-events.h
index 378349f28069..1b29b295126a 100644
--- a/include/dt-bindings/sound/audio-jack-events.h
+++ b/include/dt-bindings/sound/audio-jack-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AUDIO_JACK_EVENTS_H
 #define __AUDIO_JACK_EVENTS_H
 
diff --git a/include/dt-bindings/sound/cs35l32.h b/include/dt-bindings/sound/cs35l32.h
index 0c6d6a3c15a2..7549d5019e8b 100644
--- a/include/dt-bindings/sound/cs35l32.h
+++ b/include/dt-bindings/sound/cs35l32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_CS35L32_H
 #define __DT_CS35L32_H
 
diff --git a/include/dt-bindings/sound/fsl-imx-audmux.h b/include/dt-bindings/sound/fsl-imx-audmux.h
index 50b09e96f247..751fe1416f95 100644
--- a/include/dt-bindings/sound/fsl-imx-audmux.h
+++ b/include/dt-bindings/sound/fsl-imx-audmux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_FSL_IMX_AUDMUX_H
 #define __DT_FSL_IMX_AUDMUX_H
 
diff --git a/include/dt-bindings/sound/samsung-i2s.h b/include/dt-bindings/sound/samsung-i2s.h
index 0c69818d530c..77545f14c379 100644
--- a/include/dt-bindings/sound/samsung-i2s.h
+++ b/include/dt-bindings/sound/samsung-i2s.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DT_BINDINGS_SAMSUNG_I2S_H
 #define _DT_BINDINGS_SAMSUNG_I2S_H
 
diff --git a/include/dt-bindings/sound/tas2552.h b/include/dt-bindings/sound/tas2552.h
index a4e1a079980b..0daeb8385837 100644
--- a/include/dt-bindings/sound/tas2552.h
+++ b/include/dt-bindings/sound/tas2552.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_TAS2552_H
 #define __DT_TAS2552_H
 
diff --git a/include/dt-bindings/sound/tlv320aic31xx-micbias.h b/include/dt-bindings/sound/tlv320aic31xx-micbias.h
index f5cb772ab9c8..c6895a18a455 100644
--- a/include/dt-bindings/sound/tlv320aic31xx-micbias.h
+++ b/include/dt-bindings/sound/tlv320aic31xx-micbias.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DT_TLV320AIC31XX_MICBIAS_H
 #define __DT_TLV320AIC31XX_MICBIAS_H
 
diff --git a/include/dt-bindings/thermal/lm90.h b/include/dt-bindings/thermal/lm90.h
index 8c2e3095f704..eed91a16c32f 100644
--- a/include/dt-bindings/thermal/lm90.h
+++ b/include/dt-bindings/thermal/lm90.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for the LM90 thermal bindings.
  */
diff --git a/include/dt-bindings/thermal/tegra124-soctherm.h b/include/dt-bindings/thermal/tegra124-soctherm.h
index 2a99f1d52bb5..c15e8b709a0d 100644
--- a/include/dt-bindings/thermal/tegra124-soctherm.h
+++ b/include/dt-bindings/thermal/tegra124-soctherm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for binding nvidia,tegra124-soctherm.
  */
diff --git a/include/keys/ceph-type.h b/include/keys/ceph-type.h
index f69c4ac197a0..aa6d3e050cc7 100644
--- a/include/keys/ceph-type.h
+++ b/include/keys/ceph-type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KEYS_CEPH_TYPE_H
 #define _KEYS_CEPH_TYPE_H
 
diff --git a/include/linux/8250_pci.h b/include/linux/8250_pci.h
index b24ff086a662..9c777d2c98f5 100644
--- a/include/linux/8250_pci.h
+++ b/include/linux/8250_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for PCI support.
  */
diff --git a/include/linux/a.out.h b/include/linux/a.out.h
index ee884168989f..600cf45645c6 100644
--- a/include/linux/a.out.h
+++ b/include/linux/a.out.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __A_OUT_GNU_H__
 #define __A_OUT_GNU_H__
 
diff --git a/include/linux/acct.h b/include/linux/acct.h
index dccc2d4fe7de..18e1955f81f5 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  BSD Process Accounting for Linux - Definitions
  *
diff --git a/include/linux/acpi_pmtmr.h b/include/linux/acpi_pmtmr.h
index 1d0ef1ae8036..50d88bf1498d 100644
--- a/include/linux/acpi_pmtmr.h
+++ b/include/linux/acpi_pmtmr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ACPI_PMTMR_H_
 #define _ACPI_PMTMR_H_
 
diff --git a/include/linux/adb.h b/include/linux/adb.h
index cde41300c7ad..f6306fc86015 100644
--- a/include/linux/adb.h
+++ b/include/linux/adb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for ADB (Apple Desktop Bus) support.
  */
diff --git a/include/linux/adfs_fs.h b/include/linux/adfs_fs.h
index 0d991071a9d4..4836e382ad52 100644
--- a/include/linux/adfs_fs.h
+++ b/include/linux/adfs_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ADFS_FS_H
 #define _ADFS_FS_H
 
diff --git a/include/linux/aer.h b/include/linux/aer.h
index 43799bd17a02..8f87bbeceef4 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Intel Corp.
  *     Tom Long Nguyen (tom.l.nguyen@intel.com)
diff --git a/include/linux/ahci-remap.h b/include/linux/ahci-remap.h
index 62be3a40239d..230c871ba084 100644
--- a/include/linux/ahci-remap.h
+++ b/include/linux/ahci-remap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_AHCI_REMAP_H
 #define _LINUX_AHCI_REMAP_H
 
diff --git a/include/linux/aio.h b/include/linux/aio.h
index fdd0a343f455..9d8aabecfe2d 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX__AIO_H
 #define __LINUX__AIO_H
 
diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index c70aac13244a..0760ca1cb009 100644
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ALARMTIMER_H
 #define _LINUX_ALARMTIMER_H
 
diff --git a/include/linux/altera_jtaguart.h b/include/linux/altera_jtaguart.h
index 953b178a1650..527a142cd530 100644
--- a/include/linux/altera_jtaguart.h
+++ b/include/linux/altera_jtaguart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * altera_jtaguart.h -- Altera JTAG UART driver defines.
  */
diff --git a/include/linux/altera_uart.h b/include/linux/altera_uart.h
index c022c82db7ca..3eb73b8c49c8 100644
--- a/include/linux/altera_uart.h
+++ b/include/linux/altera_uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * altera_uart.h -- Altera UART driver defines.
  */
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 8c98113069ce..da8357ba11bc 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/amba/mmci.h
  */
diff --git a/include/linux/amifd.h b/include/linux/amifd.h
index 346993268b45..202a77dbe46d 100644
--- a/include/linux/amifd.h
+++ b/include/linux/amifd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AMIFD_H
 #define _AMIFD_H
 
diff --git a/include/linux/amifdreg.h b/include/linux/amifdreg.h
index 76188bf48d3b..9b514d05ec70 100644
--- a/include/linux/amifdreg.h
+++ b/include/linux/amifdreg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_AMIFDREG_H
 #define _LINUX_AMIFDREG_H
 
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index 8013a45242fe..d0d7d96261ad 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/anon_inodes.h
  *
diff --git a/include/linux/apple_bl.h b/include/linux/apple_bl.h
index 0a95e730fcea..445af2e3cc21 100644
--- a/include/linux/apple_bl.h
+++ b/include/linux/apple_bl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * apple_bl exported symbols
  */
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 716ce587247e..d4fcb0efb896 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/arch_topology.h - arch specific cpu topology information
  */
diff --git a/include/linux/ata_platform.h b/include/linux/ata_platform.h
index 619d9e78e644..ff2120215dec 100644
--- a/include/linux/ata_platform.h
+++ b/include/linux/ata_platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ATA_PLATFORM_H
 #define __LINUX_ATA_PLATFORM_H
 
diff --git a/include/linux/atalk.h b/include/linux/atalk.h
index 73fd8b7e9534..4d356e168692 100644
--- a/include/linux/atalk.h
+++ b/include/linux/atalk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ATALK_H__
 #define __LINUX_ATALK_H__
 
diff --git a/include/linux/atm.h b/include/linux/atm.h
index 30006c435951..4b50fd0a6eab 100644
--- a/include/linux/atm.h
+++ b/include/linux/atm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atm.h - general ATM declarations */
 #ifndef _LINUX_ATM_H
 #define _LINUX_ATM_H
diff --git a/include/linux/atm_tcp.h b/include/linux/atm_tcp.h
index db6b65fc0aec..c8ecf6f68fb5 100644
--- a/include/linux/atm_tcp.h
+++ b/include/linux/atm_tcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
 	       driver-specific utilities) */
 
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 0ec9bdb1cc9f..0c27515d2cf6 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* atmdev.h - ATM device driver declarations and various related items */
 #ifndef LINUX_ATMDEV_H
 #define LINUX_ATMDEV_H
diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h
index 42a9e1884842..1491af38cc6e 100644
--- a/include/linux/atmel-mci.h
+++ b/include/linux/atmel-mci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ATMEL_MCI_H
 #define __LINUX_ATMEL_MCI_H
 
diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
index fdb545101ede..6091d2abc1eb 100644
--- a/include/linux/atmel-ssc.h
+++ b/include/linux/atmel-ssc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INCLUDE_ATMEL_SSC_H
 #define __INCLUDE_ATMEL_SSC_H
 
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 40d6bfec0e0d..cd18203d6ff3 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Atomic operations usable in machine independent code */
 #ifndef _LINUX_ATOMIC_H
 #define _LINUX_ATOMIC_H
diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h
index 3e0fbe441763..f68d0ec2d740 100644
--- a/include/linux/auxvec.h
+++ b/include/linux/auxvec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_AUXVEC_H
 #define _LINUX_AUXVEC_H
 
diff --git a/include/linux/average.h b/include/linux/average.h
index 7ddaf340d2ac..1b6f5560c264 100644
--- a/include/linux/average.h
+++ b/include/linux/average.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_AVERAGE_H
 #define _LINUX_AVERAGE_H
 
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 866c433e7d32..fff4cfa0c21d 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BACKING_DEV_DEFS_H
 #define __LINUX_BACKING_DEV_DEFS_H
 
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 854e1bdd0b2a..16621579a3db 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/backing-dev.h
  *
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 5f2fd61ef4fb..af7003548593 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Backlight Lowlevel Control Abstraction
  *
diff --git a/include/linux/badblocks.h b/include/linux/badblocks.h
index c3bdf8c59480..2426276b9bd3 100644
--- a/include/linux/badblocks.h
+++ b/include/linux/badblocks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BADBLOCKS_H
 #define _LINUX_BADBLOCKS_H
 
diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index 79542b2698ec..fbbe6da40fed 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/balloon_compaction.h
  *
diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index 18fff11fb3ea..118bea36d7d4 100644
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCD_H
 #define _BCD_H
 
diff --git a/include/linux/bcm47xx_wdt.h b/include/linux/bcm47xx_wdt.h
index 8d9d07ec22a5..fc9dcdb4b979 100644
--- a/include/linux/bcm47xx_wdt.h
+++ b/include/linux/bcm47xx_wdt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCM47XX_WDT_H_
 #define LINUX_BCM47XX_WDT_H_
 
diff --git a/include/linux/bcm963xx_nvram.h b/include/linux/bcm963xx_nvram.h
index 290c231b8cf1..c8c7f01159fe 100644
--- a/include/linux/bcm963xx_nvram.h
+++ b/include/linux/bcm963xx_nvram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BCM963XX_NVRAM_H__
 #define __LINUX_BCM963XX_NVRAM_H__
 
diff --git a/include/linux/bcm963xx_tag.h b/include/linux/bcm963xx_tag.h
index 161c7b37a77b..b87945cb6946 100644
--- a/include/linux/bcm963xx_tag.h
+++ b/include/linux/bcm963xx_tag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BCM963XX_TAG_H__
 #define __LINUX_BCM963XX_TAG_H__
 
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index 8eeedb2db924..ef61f3607e99 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_H_
 #define LINUX_BCMA_H_
 
diff --git a/include/linux/bcma/bcma_driver_arm_c9.h b/include/linux/bcma/bcma_driver_arm_c9.h
index 93bd73d670d5..688cf590c99b 100644
--- a/include/linux/bcma/bcma_driver_arm_c9.h
+++ b/include/linux/bcma/bcma_driver_arm_c9.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_ARM_C9_H_
 #define LINUX_BCMA_DRIVER_ARM_C9_H_
 
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 2f1c690a3e66..d35b9206096d 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_CC_H_
 #define LINUX_BCMA_DRIVER_CC_H_
 
diff --git a/include/linux/bcma/bcma_driver_gmac_cmn.h b/include/linux/bcma/bcma_driver_gmac_cmn.h
index 4354d4ea6713..420e222d7a22 100644
--- a/include/linux/bcma/bcma_driver_gmac_cmn.h
+++ b/include/linux/bcma/bcma_driver_gmac_cmn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_GMAC_CMN_H_
 #define LINUX_BCMA_DRIVER_GMAC_CMN_H_
 
diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h
index 8eea7f9e33b4..798013fab54f 100644
--- a/include/linux/bcma/bcma_driver_mips.h
+++ b/include/linux/bcma/bcma_driver_mips.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_MIPS_H_
 #define LINUX_BCMA_DRIVER_MIPS_H_
 
diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h
index bca6a5e4ca3d..68da8dba5162 100644
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_PCI_H_
 #define LINUX_BCMA_DRIVER_PCI_H_
 
diff --git a/include/linux/bcma/bcma_driver_pcie2.h b/include/linux/bcma/bcma_driver_pcie2.h
index 31e6d17ab798..91ce515e3a77 100644
--- a/include/linux/bcma/bcma_driver_pcie2.h
+++ b/include/linux/bcma/bcma_driver_pcie2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_DRIVER_PCIE2_H_
 #define LINUX_BCMA_DRIVER_PCIE2_H_
 
diff --git a/include/linux/bcma/bcma_regs.h b/include/linux/bcma/bcma_regs.h
index 9986f8288d01..944105cbd671 100644
--- a/include/linux/bcma/bcma_regs.h
+++ b/include/linux/bcma/bcma_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_REGS_H_
 #define LINUX_BCMA_REGS_H_
 
diff --git a/include/linux/bcma/bcma_soc.h b/include/linux/bcma/bcma_soc.h
index 1b5fc0c3b1b5..7cca5f859a90 100644
--- a/include/linux/bcma/bcma_soc.h
+++ b/include/linux/bcma/bcma_soc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCMA_SOC_H_
 #define LINUX_BCMA_SOC_H_
 
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 18d05b5491f3..b0abe21d6cc9 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BINFMTS_H
 #define _LINUX_BINFMTS_H
 
diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index 3b5bafce4337..bbc4730a6505 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BIT_SPINLOCK_H
 #define __LINUX_BIT_SPINLOCK_H
 
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 700cf5f67118..19748a5b0e77 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BITMAP_H
 #define __LINUX_BITMAP_H
 
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 8fbe259b197c..d03c5dd6185d 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BITOPS_H
 #define _LINUX_BITOPS_H
 #include <asm/types.h>
diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h
index b97be27e5a85..50fb0dee23e8 100644
--- a/include/linux/bitrev.h
+++ b/include/linux/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BITREV_H
 #define _LINUX_BITREV_H
 
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 9d92153dd856..8bbc3716507a 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BLK_CGROUP_H
 #define _BLK_CGROUP_H
 /*
diff --git a/include/linux/blk-mq-pci.h b/include/linux/blk-mq-pci.h
index 6ab595259112..6338551e0fb9 100644
--- a/include/linux/blk-mq-pci.h
+++ b/include/linux/blk-mq-pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BLK_MQ_PCI_H
 #define _LINUX_BLK_MQ_PCI_H
 
diff --git a/include/linux/blk-mq-virtio.h b/include/linux/blk-mq-virtio.h
index b1ef6e14744f..69b4da262c45 100644
--- a/include/linux/blk-mq-virtio.h
+++ b/include/linux/blk-mq-virtio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BLK_MQ_VIRTIO_H
 #define _LINUX_BLK_MQ_VIRTIO_H
 
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 50c6485cb04f..994cbb0f7ffc 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BLK_MQ_H
 #define BLK_MQ_H
 
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index a2d2aa709cef..96ac3815542c 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Block data types and constants.  Directly include this file only to
  * break include dependency loop.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 02fa42d24b52..8da66379f7ea 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BLKDEV_H
 #define _LINUX_BLKDEV_H
 
diff --git a/include/linux/blkpg.h b/include/linux/blkpg.h
index bef124fde61e..1c91753c3c28 100644
--- a/include/linux/blkpg.h
+++ b/include/linux/blkpg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BLKPG_H
 #define _LINUX_BLKPG_H
 
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 67b4d4dfc19c..8804753805ac 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BLKTRACE_H
 #define BLKTRACE_H
 
diff --git a/include/linux/blockgroup_lock.h b/include/linux/blockgroup_lock.h
index 225bdb7daec7..511ab123a822 100644
--- a/include/linux/blockgroup_lock.h
+++ b/include/linux/blockgroup_lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BLOCKGROUP_LOCK_H
 #define _LINUX_BLOCKGROUP_LOCK_H
 /*
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index e223d91b6439..fdf40ca04b3c 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Discontiguous memory support, Kanoj Sarcar, SGI, Nov 1999
  */
diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h
index 8fdcb783197d..a19519f4241d 100644
--- a/include/linux/bottom_half.h
+++ b/include/linux/bottom_half.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BH_H
 #define _LINUX_BH_H
 
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index d41d40ac3efd..44dfae288fcf 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BPF_CGROUP_H
 #define _BPF_CGROUP_H
 
diff --git a/include/linux/bpf_trace.h b/include/linux/bpf_trace.h
index b22efbdd2eb4..e6fe98ae3794 100644
--- a/include/linux/bpf_trace.h
+++ b/include/linux/bpf_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BPF_TRACE_H__
 #define __LINUX_BPF_TRACE_H__
 
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index 6f1a567667b8..e1149327a0c0 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* internal file - do not include directly */
 
 #ifdef CONFIG_NET
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index abcda9b458ab..4f087f86a741 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BRCMPHY_H
 #define _LINUX_BRCMPHY_H
 
diff --git a/include/linux/bsearch.h b/include/linux/bsearch.h
index 90b1aa867224..62b1eb348858 100644
--- a/include/linux/bsearch.h
+++ b/include/linux/bsearch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BSEARCH_H
 #define _LINUX_BSEARCH_H
 
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 7173f6e9d2dd..2a202e41a3af 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BSG_H
 #define BSG_H
 
diff --git a/include/linux/btree-128.h b/include/linux/btree-128.h
index 0b3414c4c928..22c09f5c3c39 100644
--- a/include/linux/btree-128.h
+++ b/include/linux/btree-128.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern struct btree_geo btree_geo128;
 
 struct btree_head128 { struct btree_head h; };
diff --git a/include/linux/btree-type.h b/include/linux/btree-type.h
index 9a1147ef8563..fb34a52c788b 100644
--- a/include/linux/btree-type.h
+++ b/include/linux/btree-type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define __BTREE_TP(pfx, type, sfx)	pfx ## type ## sfx
 #define _BTREE_TP(pfx, type, sfx)	__BTREE_TP(pfx, type, sfx)
 #define BTREE_TP(pfx)			_BTREE_TP(pfx, BTREE_TYPE_SUFFIX,)
diff --git a/include/linux/btree.h b/include/linux/btree.h
index 65b5bb058324..68f858c831b1 100644
--- a/include/linux/btree.h
+++ b/include/linux/btree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BTREE_H
 #define BTREE_H
 
diff --git a/include/linux/btrfs.h b/include/linux/btrfs.h
index 22d799147db2..9a37a45ec801 100644
--- a/include/linux/btrfs.h
+++ b/include/linux/btrfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BTRFS_H
 #define _LINUX_BTRFS_H
 
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 446b24cac67d..afa37f807f12 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/buffer_head.h
  *
diff --git a/include/linux/bug.h b/include/linux/bug.h
index 5d5554c874fd..da4231c905c8 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BUG_H
 #define _LINUX_BUG_H
 
diff --git a/include/linux/build_bug.h b/include/linux/build_bug.h
index b7d22d60008a..3efed0d742a0 100644
--- a/include/linux/build_bug.h
+++ b/include/linux/build_bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BUILD_BUG_H
 #define _LINUX_BUILD_BUG_H
 
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index ffd215988392..d64a524d3cfb 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BYTEORDER_BIG_ENDIAN_H
 #define _LINUX_BYTEORDER_BIG_ENDIAN_H
 
diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index 89f67c1c3160..133b76d0d2c0 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BYTEORDER_GENERIC_H
 #define _LINUX_BYTEORDER_GENERIC_H
 
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index ba910bb9aad0..1ec650ff76cb 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H
 #define _LINUX_BYTEORDER_LITTLE_ENDIAN_H
 
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 1be04f8c563a..750621e41d1c 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_CACHE_H
 #define __LINUX_CACHE_H
 
diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h
index 6a524bf6a06d..3d9805297cda 100644
--- a/include/linux/cacheinfo.h
+++ b/include/linux/cacheinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CACHEINFO_H
 #define _LINUX_CACHEINFO_H
 
diff --git a/include/linux/can/core.h b/include/linux/can/core.h
index c9a17bb1221c..6099bc18bd0c 100644
--- a/include/linux/can/core.h
+++ b/include/linux/can/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/can/core.h
  *
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 141b05aade81..61f1cf2d9f44 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/can/dev.h
  *
diff --git a/include/linux/can/platform/cc770.h b/include/linux/can/platform/cc770.h
index 78b2d44f04cf..9587d6882906 100644
--- a/include/linux/can/platform/cc770.h
+++ b/include/linux/can/platform/cc770.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CAN_PLATFORM_CC770_H
 #define _CAN_PLATFORM_CC770_H
 
diff --git a/include/linux/can/platform/mcp251x.h b/include/linux/can/platform/mcp251x.h
index d44fcae274ff..9e5ac27fb6c1 100644
--- a/include/linux/can/platform/mcp251x.h
+++ b/include/linux/can/platform/mcp251x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CAN_PLATFORM_MCP251X_H
 #define _CAN_PLATFORM_MCP251X_H
 
diff --git a/include/linux/can/platform/rcar_can.h b/include/linux/can/platform/rcar_can.h
index 0f4a2f3df504..a43dcd0cf79e 100644
--- a/include/linux/can/platform/rcar_can.h
+++ b/include/linux/can/platform/rcar_can.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CAN_PLATFORM_RCAR_CAN_H_
 #define _CAN_PLATFORM_RCAR_CAN_H_
 
diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h
index 93570b61ec6c..5755ae5a4712 100644
--- a/include/linux/can/platform/sja1000.h
+++ b/include/linux/can/platform/sja1000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CAN_PLATFORM_SJA1000_H
 #define _CAN_PLATFORM_SJA1000_H
 
diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h
index 51bb6532785c..b3379a97245c 100644
--- a/include/linux/can/skb.h
+++ b/include/linux/can/skb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/can/skb.h
  *
diff --git a/include/linux/capability.h b/include/linux/capability.h
index b52e278e4744..f640dcbc880c 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is <linux/capability.h>
  *
diff --git a/include/linux/cciss_ioctl.h b/include/linux/cciss_ioctl.h
index 84b6e2d0f44d..1d5229200a71 100644
--- a/include/linux/cciss_ioctl.h
+++ b/include/linux/cciss_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CCISS_IOCTLH
 #define CCISS_IOCTLH
 
diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index cb28eb21e3ca..0e8cd6293deb 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CDEV_H
 #define _LINUX_CDEV_H
 
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 6e8f209a6dff..e75dfd1f1dec 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * -- <linux/cdrom.h>
  * General header file for linux CD-ROM drivers 
diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index a6747789fe5c..e931da8424a4 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_AUTH_H
 #define _FS_CEPH_AUTH_H
 
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h
index 07ca15e76100..5e58bb29b1a3 100644
--- a/include/linux/ceph/buffer.h
+++ b/include/linux/ceph/buffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FS_CEPH_BUFFER_H
 #define __FS_CEPH_BUFFER_H
 
diff --git a/include/linux/ceph/ceph_debug.h b/include/linux/ceph/ceph_debug.h
index 51c5bd64bd00..d5a5da838caf 100644
--- a/include/linux/ceph/ceph_debug.h
+++ b/include/linux/ceph/ceph_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_DEBUG_H
 #define _FS_CEPH_DEBUG_H
 
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index 040dd105c3e7..59042d5ac520 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CEPH_FEATURES
 #define __CEPH_FEATURES
 
diff --git a/include/linux/ceph/ceph_frag.h b/include/linux/ceph/ceph_frag.h
index 146507df8650..97bab0adc58a 100644
--- a/include/linux/ceph/ceph_frag.h
+++ b/include/linux/ceph/ceph_frag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_CEPH_FRAG_H
 #define FS_CEPH_FRAG_H
 
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index b422170b791a..88dd51381aaf 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ceph_fs.h - Ceph constants and data types to share between kernel and
  * user space.
diff --git a/include/linux/ceph/ceph_hash.h b/include/linux/ceph/ceph_hash.h
index d099c3f90236..fda474c7a5d6 100644
--- a/include/linux/ceph/ceph_hash.h
+++ b/include/linux/ceph/ceph_hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FS_CEPH_HASH_H
 #define FS_CEPH_HASH_H
 
diff --git a/include/linux/ceph/cls_lock_client.h b/include/linux/ceph/cls_lock_client.h
index 0594d3bba774..bea6c77d2093 100644
--- a/include/linux/ceph/cls_lock_client.h
+++ b/include/linux/ceph/cls_lock_client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CEPH_CLS_LOCK_CLIENT_H
 #define _LINUX_CEPH_CLS_LOCK_CLIENT_H
 
diff --git a/include/linux/ceph/debugfs.h b/include/linux/ceph/debugfs.h
index 29cf897cc5cd..fa5f9b7f5dbb 100644
--- a/include/linux/ceph/debugfs.h
+++ b/include/linux/ceph/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_DEBUGFS_H
 #define _FS_CEPH_DEBUGFS_H
 
diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h
index 14af9b70d301..d143ac8879c6 100644
--- a/include/linux/ceph/decode.h
+++ b/include/linux/ceph/decode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CEPH_DECODE_H
 #define __CEPH_DECODE_H
 
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 4c846aabd9f6..c2ec44cf5098 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_LIBCEPH_H
 #define _FS_CEPH_LIBCEPH_H
 
diff --git a/include/linux/ceph/mdsmap.h b/include/linux/ceph/mdsmap.h
index d5f783f3226a..0067d767c9ae 100644
--- a/include/linux/ceph/mdsmap.h
+++ b/include/linux/ceph/mdsmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_MDSMAP_H
 #define _FS_CEPH_MDSMAP_H
 
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index fbd94d9fa5dd..ead9d85f1c11 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FS_CEPH_MESSENGER_H
 #define __FS_CEPH_MESSENGER_H
 
diff --git a/include/linux/ceph/mon_client.h b/include/linux/ceph/mon_client.h
index 0fa990bf867a..3a4688af7455 100644
--- a/include/linux/ceph/mon_client.h
+++ b/include/linux/ceph/mon_client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_MON_CLIENT_H
 #define _FS_CEPH_MON_CLIENT_H
 
diff --git a/include/linux/ceph/msgpool.h b/include/linux/ceph/msgpool.h
index ddd0d48d0384..76c98a512758 100644
--- a/include/linux/ceph/msgpool.h
+++ b/include/linux/ceph/msgpool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_MSGPOOL
 #define _FS_CEPH_MSGPOOL
 
diff --git a/include/linux/ceph/msgr.h b/include/linux/ceph/msgr.h
index 0fe2656ac415..73ae2a926548 100644
--- a/include/linux/ceph/msgr.h
+++ b/include/linux/ceph/msgr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CEPH_MSGR_H
 #define CEPH_MSGR_H
 
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index adf670ecaf94..52fb37d1c2a5 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_OSD_CLIENT_H
 #define _FS_CEPH_OSD_CLIENT_H
 
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index af3444a5bfdd..d41fad99c0fa 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_OSDMAP_H
 #define _FS_CEPH_OSDMAP_H
 
diff --git a/include/linux/ceph/pagelist.h b/include/linux/ceph/pagelist.h
index 75a7db21457d..7edcded07641 100644
--- a/include/linux/ceph/pagelist.h
+++ b/include/linux/ceph/pagelist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FS_CEPH_PAGELIST_H
 #define __FS_CEPH_PAGELIST_H
 
diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h
index 01408841c9c4..f1988387c5ad 100644
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CEPH_RADOS_H
 #define CEPH_RADOS_H
 
diff --git a/include/linux/ceph/string_table.h b/include/linux/ceph/string_table.h
index 1b02c96daf75..a4a9962d1e14 100644
--- a/include/linux/ceph/string_table.h
+++ b/include/linux/ceph/string_table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_STRING_TABLE_H
 #define _FS_CEPH_STRING_TABLE_H
 
diff --git a/include/linux/ceph/types.h b/include/linux/ceph/types.h
index d3ff1cf2d27e..27cd973d3881 100644
--- a/include/linux/ceph/types.h
+++ b/include/linux/ceph/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_TYPES_H
 #define _FS_CEPH_TYPES_H
 
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index ade4a78a54c2..1dff0a478b45 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/cgroup-defs.h - basic definitions for cgroup
  *
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index d023ac5e377f..dddbc29e2009 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CGROUP_H
 #define _LINUX_CGROUP_H
 /*
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index d0e597c44585..acb77dcff3b4 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * List of cgroup subsystems.
  *
diff --git a/include/linux/circ_buf.h b/include/linux/circ_buf.h
index 90f2471dc6f2..7cf262a421c3 100644
--- a/include/linux/circ_buf.h
+++ b/include/linux/circ_buf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * See Documentation/circular-buffers.txt for more information.
  */
diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
index bbb3712dd892..5f5730c1d324 100644
--- a/include/linux/cleancache.h
+++ b/include/linux/cleancache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CLEANCACHE_H
 #define _LINUX_CLEANCACHE_H
 
diff --git a/include/linux/clk/mmp.h b/include/linux/clk/mmp.h
index 607321fa2c2b..445130460380 100644
--- a/include/linux/clk/mmp.h
+++ b/include/linux/clk/mmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CLK_MMP_H
 #define __CLK_MMP_H
 
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index a116926598fd..8ae9a95ebf5b 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*  linux/include/linux/clockchips.h
  *
  *  This file contains the structure definitions for clockchips.
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index a78cb1848e65..7dff1963c185 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*  linux/include/linux/clocksource.h
  *
  *  This file contains the structure definitions for clocksources.
diff --git a/include/linux/cm4000_cs.h b/include/linux/cm4000_cs.h
index 88bee3a33090..ea4958e07a14 100644
--- a/include/linux/cm4000_cs.h
+++ b/include/linux/cm4000_cs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	_CM4000_H_
 #define	_CM4000_H_
 
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 3e8fbf5a5c73..bf90f0bb42bd 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CMA_H__
 #define __CMA_H__
 
diff --git a/include/linux/cmdline-parser.h b/include/linux/cmdline-parser.h
index 2e6dce6e5c2a..68a541807bdf 100644
--- a/include/linux/cmdline-parser.h
+++ b/include/linux/cmdline-parser.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Parsing command line, get the partitions information.
  *
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h
index 31e4e1f1547c..15170954aa2b 100644
--- a/include/linux/coda_psdev.h
+++ b/include/linux/coda_psdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CODA_PSDEV_H
 #define __CODA_PSDEV_H
 
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 0d8415820fc3..68250a57aace 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_COMPACTION_H
 #define _LINUX_COMPACTION_H
 
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a5619de3437d..3e838a828459 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_COMPAT_H
 #define _LINUX_COMPAT_H
 /*
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index de179993e039..54dfef70a072 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_COMPILER_H
 #error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead."
 #endif
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 16d41de92ee3..bb78e5bdff26 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_COMPILER_H
 #error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
 #endif
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h
index d4c71132d07f..523d1b74550f 100644
--- a/include/linux/compiler-intel.h
+++ b/include/linux/compiler-intel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_COMPILER_H
 #error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
 #endif
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index e95a2631e545..fd8697aa4f73 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_COMPILER_H
 #define __LINUX_COMPILER_H
 
diff --git a/include/linux/completion.h b/include/linux/completion.h
index cae5400022a3..7828451e161a 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_COMPLETION_H
 #define __LINUX_COMPLETION_H
 
diff --git a/include/linux/component.h b/include/linux/component.h
index a559eebc0e0f..e71fbbbc74e2 100644
--- a/include/linux/component.h
+++ b/include/linux/component.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef COMPONENT_H
 #define COMPONENT_H
 
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index 6fd3c908a340..c0ec478ea5bf 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * console_struct.h
  *
diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h
index c4811da1338b..254246673390 100644
--- a/include/linux/consolemap.h
+++ b/include/linux/consolemap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * consolemap.h
  *
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index c78fc27418f2..d05609ad329d 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CONTEXT_TRACKING_H
 #define _LINUX_CONTEXT_TRACKING_H
 
diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
index 1d34fe68f48a..f128dc3be0df 100644
--- a/include/linux/context_tracking_state.h
+++ b/include/linux/context_tracking_state.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CONTEXT_TRACKING_STATE_H
 #define _LINUX_CONTEXT_TRACKING_STATE_H
 
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
index 28ffa94aed6b..207aed96a5b7 100644
--- a/include/linux/coredump.h
+++ b/include/linux/coredump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_COREDUMP_H
 #define _LINUX_COREDUMP_H
 
diff --git a/include/linux/coresight-stm.h b/include/linux/coresight-stm.h
index a978bb85599a..74714b59f9d2 100644
--- a/include/linux/coresight-stm.h
+++ b/include/linux/coresight-stm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_CORESIGHT_STM_H_
 #define __LINUX_CORESIGHT_STM_H_
 
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index ca73bc1563f4..938ea8ae0ba4 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/cpu.h - generic cpu definition
  *
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 6d508767e144..2477a5cb5bd5 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPUHOTPLUG_H
 #define __CPUHOTPLUG_H
 
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index cd415b733c2a..8d3125c493b2 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_CPUMASK_H
 #define __LINUX_CPUMASK_H
 
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index a1e6a33a4b03..1b8e41597ef5 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CPUSET_H
 #define _LINUX_CPUSET_H
 /*
diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 2df2118fbe13..06097ef30449 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_CRASH_CORE_H
 #define LINUX_CRASH_CORE_H
 
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 3873697ba21c..a992e6ca2f1c 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_CRASH_DUMP_H
 #define LINUX_CRASH_DUMP_H
 
diff --git a/include/linux/crc-ccitt.h b/include/linux/crc-ccitt.h
index f52696a1ff0d..cd4f420231ba 100644
--- a/include/linux/crc-ccitt.h
+++ b/include/linux/crc-ccitt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CRC_CCITT_H
 #define _LINUX_CRC_CCITT_H
 
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index d81961e9e37d..1fe0cfcdea30 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CRC_T10DIF_H
 #define _LINUX_CRC_T10DIF_H
 
diff --git a/include/linux/crc32c.h b/include/linux/crc32c.h
index bd8b44d96bdc..357ae4611a45 100644
--- a/include/linux/crc32c.h
+++ b/include/linux/crc32c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CRC32C_H
 #define _LINUX_CRC32C_H
 
diff --git a/include/linux/crc4.h b/include/linux/crc4.h
index 8f739f1d794f..bd2c90556a06 100644
--- a/include/linux/crc4.h
+++ b/include/linux/crc4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CRC4_H
 #define _LINUX_CRC4_H
 
diff --git a/include/linux/crc7.h b/include/linux/crc7.h
index d590765106f3..b462842f3c32 100644
--- a/include/linux/crc7.h
+++ b/include/linux/crc7.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CRC7_H
 #define _LINUX_CRC7_H
 #include <linux/types.h>
diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h
index 07eed95e10c7..54741295c70b 100644
--- a/include/linux/crush/crush.h
+++ b/include/linux/crush/crush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CEPH_CRUSH_CRUSH_H
 #define CEPH_CRUSH_CRUSH_H
 
diff --git a/include/linux/crush/hash.h b/include/linux/crush/hash.h
index d1d90258242e..904df41f7847 100644
--- a/include/linux/crush/hash.h
+++ b/include/linux/crush/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CEPH_CRUSH_HASH_H
 #define CEPH_CRUSH_HASH_H
 
diff --git a/include/linux/crush/mapper.h b/include/linux/crush/mapper.h
index 141edabb947e..f9b99232f5a1 100644
--- a/include/linux/crush/mapper.h
+++ b/include/linux/crush/mapper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CEPH_CRUSH_MAPPER_H
 #define CEPH_CRUSH_MAPPER_H
 
diff --git a/include/linux/cryptohash.h b/include/linux/cryptohash.h
index df4d3e943d28..f6ba4c3e60d7 100644
--- a/include/linux/cryptohash.h
+++ b/include/linux/cryptohash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CRYPTOHASH_H
 #define __CRYPTOHASH_H
 
diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index f13e4ff6835a..363b004426db 100644
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CTYPE_H
 #define _LINUX_CTYPE_H
 
diff --git a/include/linux/cuda.h b/include/linux/cuda.h
index b72332823807..056867f09a01 100644
--- a/include/linux/cuda.h
+++ b/include/linux/cuda.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for talking to the CUDA.  The CUDA is a microcontroller
  * which controls the ADB, system power, RTC, and various other things.
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index 19ae518f5471..83925bd12c0b 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
  * linux/include/linux/cyclades.h
  *
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 122197124b9d..895e16fcc62d 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DAX_H
 #define _LINUX_DAX_H
 
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index ed1a7cf6923a..f05a659cdf34 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_DCACHE_H
 #define __LINUX_DCACHE_H
 
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 68449293c4b6..6b64b6cc2175 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DCCP_H
 #define _LINUX_DCCP_H
 
diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
index 699b6c499c4f..ddfdac20cad0 100644
--- a/include/linux/dcookies.h
+++ b/include/linux/dcookies.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * dcookies.h
  *
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 822c1354f3a6..120225e9a366 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_DEBUG_LOCKING_H
 #define __LINUX_DEBUG_LOCKING_H
 
diff --git a/include/linux/debugobjects.h b/include/linux/debugobjects.h
index d82bf1994485..afc416e5dcab 100644
--- a/include/linux/debugobjects.h
+++ b/include/linux/debugobjects.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DEBUGOBJECTS_H
 #define _LINUX_DEBUGOBJECTS_H
 
diff --git a/include/linux/decompress/bunzip2.h b/include/linux/decompress/bunzip2.h
index 4d683df898e6..5860163942a4 100644
--- a/include/linux/decompress/bunzip2.h
+++ b/include/linux/decompress/bunzip2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECOMPRESS_BUNZIP2_H
 #define DECOMPRESS_BUNZIP2_H
 
diff --git a/include/linux/decompress/generic.h b/include/linux/decompress/generic.h
index 1fcfd64b5076..207d80138db5 100644
--- a/include/linux/decompress/generic.h
+++ b/include/linux/decompress/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECOMPRESS_GENERIC_H
 #define DECOMPRESS_GENERIC_H
 
diff --git a/include/linux/decompress/inflate.h b/include/linux/decompress/inflate.h
index e4f411fdbd24..b65f24e7d442 100644
--- a/include/linux/decompress/inflate.h
+++ b/include/linux/decompress/inflate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_DECOMPRESS_INFLATE_H
 #define LINUX_DECOMPRESS_INFLATE_H
 
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 7925bf0ee836..868e9eacd69e 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/compr_mm.h
  *
diff --git a/include/linux/decompress/unlz4.h b/include/linux/decompress/unlz4.h
index 3273c2f36496..5a235f605d5f 100644
--- a/include/linux/decompress/unlz4.h
+++ b/include/linux/decompress/unlz4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECOMPRESS_UNLZ4_H
 #define DECOMPRESS_UNLZ4_H
 
diff --git a/include/linux/decompress/unlzma.h b/include/linux/decompress/unlzma.h
index 8a891a193840..1c930f125182 100644
--- a/include/linux/decompress/unlzma.h
+++ b/include/linux/decompress/unlzma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECOMPRESS_UNLZMA_H
 #define DECOMPRESS_UNLZMA_H
 
diff --git a/include/linux/decompress/unlzo.h b/include/linux/decompress/unlzo.h
index af18f95d6570..550ae8783d1b 100644
--- a/include/linux/decompress/unlzo.h
+++ b/include/linux/decompress/unlzo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECOMPRESS_UNLZO_H
 #define DECOMPRESS_UNLZO_H
 
diff --git a/include/linux/delay.h b/include/linux/delay.h
index 2ecb3c46b20a..b78bab4395d8 100644
--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DELAY_H
 #define _LINUX_DELAY_H
 
diff --git a/include/linux/delayed_call.h b/include/linux/delayed_call.h
index f7fa76ae1a9b..a26c3b95b5cf 100644
--- a/include/linux/delayed_call.h
+++ b/include/linux/delayed_call.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DELAYED_CALL_H
 #define _DELAYED_CALL_H
 
diff --git a/include/linux/dell-led.h b/include/linux/dell-led.h
index 3f033c48071e..92521471517f 100644
--- a/include/linux/dell-led.h
+++ b/include/linux/dell-led.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DELL_LED_H__
 #define __DELL_LED_H__
 
diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h
index 8b64221b432b..cdbc344a92e4 100644
--- a/include/linux/device_cgroup.h
+++ b/include/linux/device_cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fs.h>
 
 #ifdef CONFIG_CGROUP_DEVICE
diff --git a/include/linux/dio.h b/include/linux/dio.h
index 2cc0fd00463f..1470d1d943b4 100644
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* header file for DIO boards for the HP300 architecture.
  * Maybe this should handle DIO-II later?
  * The general structure of this is vaguely based on how
diff --git a/include/linux/dirent.h b/include/linux/dirent.h
index f072fb8d10a3..fc61f3cff72f 100644
--- a/include/linux/dirent.h
+++ b/include/linux/dirent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DIRENT_H
 #define _LINUX_DIRENT_H
 
diff --git a/include/linux/dma-direction.h b/include/linux/dma-direction.h
index 95b6a82f5951..3649a031893a 100644
--- a/include/linux/dma-direction.h
+++ b/include/linux/dma-direction.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DMA_DIRECTION_H
 #define _LINUX_DMA_DIRECTION_H
 /*
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 29ce9815da87..7653ea66874d 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DMA_MAPPING_H
 #define _LINUX_DMA_MAPPING_H
 
diff --git a/include/linux/dma/mmp-pdma.h b/include/linux/dma/mmp-pdma.h
index 2dc9b2bc18fc..25cab62a28c4 100644
--- a/include/linux/dma/mmp-pdma.h
+++ b/include/linux/dma/mmp-pdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MMP_PDMA_H_
 #define _MMP_PDMA_H_
 
diff --git a/include/linux/dma/pxa-dma.h b/include/linux/dma/pxa-dma.h
index 3edc99294bf6..e56ec7af4fd7 100644
--- a/include/linux/dma/pxa-dma.h
+++ b/include/linux/dma/pxa-dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PXA_DMA_H_
 #define _PXA_DMA_H_
 
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 90884072fa73..21b3e7d33d68 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DMA_REMAPPING_H
 #define _DMA_REMAPPING_H
 
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 9bbf21a516e4..46e151172d95 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DMI_H__
 #define __DMI_H__
 
diff --git a/include/linux/dnotify.h b/include/linux/dnotify.h
index 3290555a52ee..0aad774beaec 100644
--- a/include/linux/dnotify.h
+++ b/include/linux/dnotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DNOTIFY_H
 #define _LINUX_DNOTIFY_H
 /*
diff --git a/include/linux/dqblk_qtree.h b/include/linux/dqblk_qtree.h
index 0de21e935976..100d22a46b82 100644
--- a/include/linux/dqblk_qtree.h
+++ b/include/linux/dqblk_qtree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Definitions of structures and functions for quota formats using trie
  */
diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h
index c0d4d1e2a45c..85d837a14838 100644
--- a/include/linux/dqblk_v1.h
+++ b/include/linux/dqblk_v1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	File with in-memory structures of old quota format
  */
diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h
index 18000a542677..da95932ad9e7 100644
--- a/include/linux/dqblk_v2.h
+++ b/include/linux/dqblk_v2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Definitions for vfsv0 quota format
  */
diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h
index 4e6d4d4c7056..53f44b8cd75f 100644
--- a/include/linux/drbd_genl.h
+++ b/include/linux/drbd_genl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * General overview:
  * full generic netlink message:
diff --git a/include/linux/drbd_genl_api.h b/include/linux/drbd_genl_api.h
index 9ef50d51e34e..bd62efc29002 100644
--- a/include/linux/drbd_genl_api.h
+++ b/include/linux/drbd_genl_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DRBD_GENL_STRUCT_H
 #define DRBD_GENL_STRUCT_H
 
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 24ae1b9b76c7..9e33f7038bea 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   drbd_limits.h
   This file is part of DRBD by Philipp Reisner and Lars Ellenberg.
diff --git a/include/linux/ds2782_battery.h b/include/linux/ds2782_battery.h
index b4e281f65c15..fb6c97e10956 100644
--- a/include/linux/ds2782_battery.h
+++ b/include/linux/ds2782_battery.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_DS2782_BATTERY_H
 #define __LINUX_DS2782_BATTERY_H
 
diff --git a/include/linux/dtlk.h b/include/linux/dtlk.h
index 22a7b9a5f5d1..27b95e70bde3 100644
--- a/include/linux/dtlk.h
+++ b/include/linux/dtlk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define DTLK_MINOR	0
 #define DTLK_IO_EXTENT	0x02
 
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index 546d68057e3b..2fd8006153c3 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DYNAMIC_DEBUG_H
 #define _DYNAMIC_DEBUG_H
 
diff --git a/include/linux/dynamic_queue_limits.h b/include/linux/dynamic_queue_limits.h
index a4be70398ce1..34c0a5464c74 100644
--- a/include/linux/dynamic_queue_limits.h
+++ b/include/linux/dynamic_queue_limits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Dynamic queue limits (dql) - Definitions
  *
diff --git a/include/linux/earlycpio.h b/include/linux/earlycpio.h
index 111f46d83d00..c70519267c77 100644
--- a/include/linux/earlycpio.h
+++ b/include/linux/earlycpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_EARLYCPIO_H
 #define _LINUX_EARLYCPIO_H
 
diff --git a/include/linux/ecryptfs.h b/include/linux/ecryptfs.h
index 8d5ab998a222..91e142abf7e8 100644
--- a/include/linux/ecryptfs.h
+++ b/include/linux/ecryptfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ECRYPTFS_H
 #define _LINUX_ECRYPTFS_H
 
diff --git a/include/linux/eeprom_93xx46.h b/include/linux/eeprom_93xx46.h
index 915898759280..eec7928ff8fe 100644
--- a/include/linux/eeprom_93xx46.h
+++ b/include/linux/eeprom_93xx46.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Module: eeprom_93xx46
  * platform description for 93xx46 EEPROMs.
diff --git a/include/linux/efi-bgrt.h b/include/linux/efi-bgrt.h
index e6f624b53c3d..e6cd51005633 100644
--- a/include/linux/efi-bgrt.h
+++ b/include/linux/efi-bgrt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_EFI_BGRT_H
 #define _LINUX_EFI_BGRT_H
 
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 66f4a4e79f4b..d813f7b04da7 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_EFI_H
 #define _LINUX_EFI_H
 
diff --git a/include/linux/efs_vh.h b/include/linux/efs_vh.h
index 8a11150c61fe..206c5270f7b8 100644
--- a/include/linux/efs_vh.h
+++ b/include/linux/efs_vh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * efs_vh.h
  *
diff --git a/include/linux/eisa.h b/include/linux/eisa.h
index 6925249a5ac6..b012e30afebd 100644
--- a/include/linux/eisa.h
+++ b/include/linux/eisa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_EISA_H
 #define _LINUX_EISA_H
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 5bc8f8682a3e..ddb7632d73b9 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ELEVATOR_H
 #define _LINUX_ELEVATOR_H
 
diff --git a/include/linux/elf-randomize.h b/include/linux/elf-randomize.h
index b5f0bda9472e..da0dbb7b6be3 100644
--- a/include/linux/elf-randomize.h
+++ b/include/linux/elf-randomize.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ELF_RANDOMIZE_H
 #define _ELF_RANDOMIZE_H
 
diff --git a/include/linux/elf.h b/include/linux/elf.h
index ba069e8f4f78..e3649b3e970e 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ELF_H
 #define _LINUX_ELF_H
 
diff --git a/include/linux/elfcore-compat.h b/include/linux/elfcore-compat.h
index 0a90e1c3a422..b5f2efdd05e0 100644
--- a/include/linux/elfcore-compat.h
+++ b/include/linux/elfcore-compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ELFCORE_COMPAT_H
 #define _LINUX_ELFCORE_COMPAT_H
 
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index c8240a12c42d..4cad0e784b28 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ELFCORE_H
 #define _LINUX_ELFCORE_H
 
diff --git a/include/linux/elfnote.h b/include/linux/elfnote.h
index 278e3ef05336..f236f5b931b2 100644
--- a/include/linux/elfnote.h
+++ b/include/linux/elfnote.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ELFNOTE_H
 #define _LINUX_ELFNOTE_H
 /*
diff --git a/include/linux/err.h b/include/linux/err.h
index 1e3558845e4c..87be24350e91 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ERR_H
 #define _LINUX_ERR_H
 
diff --git a/include/linux/errno.h b/include/linux/errno.h
index 7ce9fb1b7d28..3cba627577d6 100644
--- a/include/linux/errno.h
+++ b/include/linux/errno.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ERRNO_H
 #define _LINUX_ERRNO_H
 
diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index 6fdfc884fdeb..be1cf7291d6c 100644
--- a/include/linux/errqueue.h
+++ b/include/linux/errqueue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ERRQUEUE_H
 #define _LINUX_ERRQUEUE_H 1
 
diff --git a/include/linux/errseq.h b/include/linux/errseq.h
index f746bd8fe4d0..6ffae9c5052d 100644
--- a/include/linux/errseq.h
+++ b/include/linux/errseq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * See Documentation/errseq.rst and lib/errseq.c
  */
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 4587a4c36923..0c0146e7e274 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ethtool.h: Defines for Linux ethtool.
  *
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 9e4befd95bc7..60b2985e8a18 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/eventfd.h
  *
diff --git a/include/linux/evm.h b/include/linux/evm.h
index 35ed9a8a403a..8302bc29bb35 100644
--- a/include/linux/evm.h
+++ b/include/linux/evm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * evm.h
  *
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index 5ab958cdc50b..0d3037419bc7 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_EXPORTFS_H
 #define LINUX_EXPORTFS_H 1
 
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 2723e715f67a..1fef88569037 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/ext2_fs.h
  *
diff --git a/include/linux/extable.h b/include/linux/extable.h
index 28addad0dda7..41c5b3a25f67 100644
--- a/include/linux/extable.h
+++ b/include/linux/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_EXTABLE_H
 #define _LINUX_EXTABLE_H
 
diff --git a/include/linux/falloc.h b/include/linux/falloc.h
index 7494dc67c66f..674d59f4d6ce 100644
--- a/include/linux/falloc.h
+++ b/include/linux/falloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FALLOC_H_
 #define _FALLOC_H_
 
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index cef93ddcc5a0..096c96f4f16a 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FANOTIFY_H
 #define _LINUX_FANOTIFY_H
 
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index 728d4e0292aa..c3c95d18bf43 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FAULT_INJECT_H
 #define _LINUX_FAULT_INJECT_H
 
diff --git a/include/linux/fb.h b/include/linux/fb.h
index f4386b0ccf40..bc24e48e396d 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FB_H
 #define _LINUX_FB_H
 
diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 1b48d9c9a561..27dc7a60693e 100644
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FCNTL_H
 #define _LINUX_FCNTL_H
 
diff --git a/include/linux/fd.h b/include/linux/fd.h
index 69275bccc3e4..ece5ea53205b 100644
--- a/include/linux/fd.h
+++ b/include/linux/fd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FD_H
 #define _LINUX_FD_H
 
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 6e84b2cae6ad..1c65817673db 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * descriptor table internals; you almost certainly want file.h instead.
  */
diff --git a/include/linux/file.h b/include/linux/file.h
index 61eb82cbafba..279720db984a 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Wrapper functions for accessing the file_struct fd array.
  */
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 818a0b26249e..48ec57e70f9f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux Socket Filter Data Structures
  */
diff --git a/include/linux/fips.h b/include/linux/fips.h
index f8fb07b0b6b8..afeeece92302 100644
--- a/include/linux/fips.h
+++ b/include/linux/fips.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FIPS_H
 #define _FIPS_H
 
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index d4b7683c722d..aec8f30ab200 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FIREWIRE_H
 #define _LINUX_FIREWIRE_H
 
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index b1f9f0ccb8ac..d4508080348d 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FIRMWARE_H
 #define _LINUX_FIRMWARE_H
 
diff --git a/include/linux/flat.h b/include/linux/flat.h
index 7d542dfd0def..569b67d64d5c 100644
--- a/include/linux/flat.h
+++ b/include/linux/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2002-2003  David McCullough <davidm@snapgear.com>
  * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h
index 11366b3ff0b4..b94fa61b51fb 100644
--- a/include/linux/flex_array.h
+++ b/include/linux/flex_array.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FLEX_ARRAY_H
 #define _FLEX_ARRAY_H
 
diff --git a/include/linux/flex_proportions.h b/include/linux/flex_proportions.h
index 0d348e011a6e..c12df59d3f5f 100644
--- a/include/linux/flex_proportions.h
+++ b/include/linux/flex_proportions.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Floating proportions with flexible aging period
  *
diff --git a/include/linux/fmc-sdb.h b/include/linux/fmc-sdb.h
index 599bd6bab56d..bec899f0867c 100644
--- a/include/linux/fmc-sdb.h
+++ b/include/linux/fmc-sdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is separate from sdb.h, because I want that one to remain
  * unchanged (as far as possible) from the official sdb distribution
diff --git a/include/linux/fpga/fpga-bridge.h b/include/linux/fpga/fpga-bridge.h
index dba6e3c697c7..aa66c87c120b 100644
--- a/include/linux/fpga/fpga-bridge.h
+++ b/include/linux/fpga/fpga-bridge.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/device.h>
 #include <linux/fpga/fpga-mgr.h>
 
diff --git a/include/linux/frame.h b/include/linux/frame.h
index d772c61c31da..02d3ca2d9598 100644
--- a/include/linux/frame.h
+++ b/include/linux/frame.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FRAME_H
 #define _LINUX_FRAME_H
 
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index dd03e837ebb7..3995df1d068f 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Freezer declarations */
 
 #ifndef FREEZER_H_INCLUDED
diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
index 1d18af034554..011965c08b93 100644
--- a/include/linux/frontswap.h
+++ b/include/linux/frontswap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FRONTSWAP_H
 #define _LINUX_FRONTSWAP_H
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 13dab191a23e..885266aae2d7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FS_H
 #define _LINUX_FS_H
 
diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h
index 3886b3bffd7f..7cab74d66f85 100644
--- a/include/linux/fs_pin.h
+++ b/include/linux/fs_pin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/wait.h>
 
 struct fs_pin {
diff --git a/include/linux/fs_stack.h b/include/linux/fs_stack.h
index da317c7163ab..54210a42c30d 100644
--- a/include/linux/fs_stack.h
+++ b/include/linux/fs_stack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FS_STACK_H
 #define _LINUX_FS_STACK_H
 
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 7a026240cbb1..cf1015abfbf2 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FS_STRUCT_H
 #define _LINUX_FS_STRUCT_H
 
diff --git a/include/linux/fscrypt_common.h b/include/linux/fscrypt_common.h
index 97f738628b36..854d724978fa 100644
--- a/include/linux/fscrypt_common.h
+++ b/include/linux/fscrypt_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fscrypt_common.h: common declarations for per-file encryption
  *
diff --git a/include/linux/fscrypt_notsupp.h b/include/linux/fscrypt_notsupp.h
index ec406aed2f2f..19609ceea350 100644
--- a/include/linux/fscrypt_notsupp.h
+++ b/include/linux/fscrypt_notsupp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fscrypt_notsupp.h
  *
diff --git a/include/linux/fscrypt_supp.h b/include/linux/fscrypt_supp.h
index 32e2fcf13b01..5153dce22f09 100644
--- a/include/linux/fscrypt_supp.h
+++ b/include/linux/fscrypt_supp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fscrypt_supp.h
  *
diff --git a/include/linux/fsl/edac.h b/include/linux/fsl/edac.h
index 90d64d4ec1a9..148a297d7587 100644
--- a/include/linux/fsl/edac.h
+++ b/include/linux/fsl/edac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef FSL_EDAC_H
 #define FSL_EDAC_H
 
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index b78aa7ac77ce..bdaf22582f6e 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FS_NOTIFY_H
 #define _LINUX_FS_NOTIFY_H
 
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index c6c69318752b..3597ef78df4d 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Filesystem access notification for Linux
  *
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 2e028854bac7..e54d257983f2 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Ftrace header.  For implementation details beyond the random comments
  * scattered below, see: Documentation/trace/ftrace-design.txt
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h
index 4ec2c9b205f2..ccda97dc7f8b 100644
--- a/include/linux/ftrace_irq.h
+++ b/include/linux/ftrace_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FTRACE_IRQ_H
 #define _LINUX_FTRACE_IRQ_H
 
diff --git a/include/linux/futex.h b/include/linux/futex.h
index f36bfd26f998..c0fb9a24bbd2 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_FUTEX_H
 #define _LINUX_FUTEX_H
 
diff --git a/include/linux/gcd.h b/include/linux/gcd.h
index 69f5e8a01bad..cb572677fd7f 100644
--- a/include/linux/gcd.h
+++ b/include/linux/gcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GCD_H
 #define _GCD_H
 
diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h
index a4c61cbce777..b96dd4e1e663 100644
--- a/include/linux/genetlink.h
+++ b/include/linux/genetlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GENERIC_NETLINK_H
 #define __LINUX_GENERIC_NETLINK_H
 
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index ea652bfcd675..44790523057f 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_GENHD_H
 #define _LINUX_GENHD_H
 
diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h
index 377257d8f7e3..604967609e55 100644
--- a/include/linux/genl_magic_func.h
+++ b/include/linux/genl_magic_func.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GENL_MAGIC_FUNC_H
 #define GENL_MAGIC_FUNC_H
 
diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h
index 6270a56e5edc..5972e4969197 100644
--- a/include/linux/genl_magic_struct.h
+++ b/include/linux/genl_magic_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GENL_MAGIC_STRUCT_H
 #define GENL_MAGIC_STRUCT_H
 
diff --git a/include/linux/getcpu.h b/include/linux/getcpu.h
index c7372d7a97be..c304dcdb4eac 100644
--- a/include/linux/getcpu.h
+++ b/include/linux/getcpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_GETCPU_H
 #define _LINUX_GETCPU_H 1
 
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index f780718b7391..710143741eb5 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GFP_H
 #define __LINUX_GFP_H
 
diff --git a/include/linux/glob.h b/include/linux/glob.h
index 861d8347d08e..861327b33e41 100644
--- a/include/linux/glob.h
+++ b/include/linux/glob.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_GLOB_H
 #define _LINUX_GLOB_H
 
diff --git a/include/linux/goldfish.h b/include/linux/goldfish.h
index 93e080b39cf6..2835c150c3ff 100644
--- a/include/linux/goldfish.h
+++ b/include/linux/goldfish.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GOLDFISH_H
 #define __LINUX_GOLDFISH_H
 
diff --git a/include/linux/gpio-pxa.h b/include/linux/gpio-pxa.h
index d90ebbe02ca4..1e1fa0160480 100644
--- a/include/linux/gpio-pxa.h
+++ b/include/linux/gpio-pxa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GPIO_PXA_H
 #define __GPIO_PXA_H
 
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index d12b5d566e4b..8ef7fc0ce0f0 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GPIO_H
 #define __LINUX_GPIO_H
 
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 8f702fcbe485..c4a350d83578 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GPIO_CONSUMER_H
 #define __LINUX_GPIO_CONSUMER_H
 
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index c97f8325e8bf..424e5139ff10 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GPIO_DRIVER_H
 #define __LINUX_GPIO_DRIVER_H
 
diff --git a/include/linux/gpio/gpio-reg.h b/include/linux/gpio/gpio-reg.h
index 90e0b9060e6d..5c6efd394cb0 100644
--- a/include/linux/gpio/gpio-reg.h
+++ b/include/linux/gpio/gpio-reg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GPIO_REG_H
 #define GPIO_REG_H
 
diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h
index ba4ccfd900f9..b7225369e568 100644
--- a/include/linux/gpio/machine.h
+++ b/include/linux/gpio/machine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GPIO_MACHINE_H
 #define __LINUX_GPIO_MACHINE_H
 
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index 0b71024c082c..d06bf77400f1 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GPIO_KEYS_H
 #define _GPIO_KEYS_H
 
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index c683996110b1..0fbbcdf0c178 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_HARDIRQ_H
 #define LINUX_HARDIRQ_H
 
diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index 082dc1bd0801..417d2c4bc60d 100644
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Statically sized hash table implementation
  * (C) 2012  Sasha Levin <levinsasha928@gmail.com>
diff --git a/include/linux/hdlcdrv.h b/include/linux/hdlcdrv.h
index be3be25bb898..d4d633a49d36 100644
--- a/include/linux/hdlcdrv.h
+++ b/include/linux/hdlcdrv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * hdlcdrv.h  -- HDLC packet radio network driver.
  * The Linux soundcard driver for 1200 baud and 9600 baud packet radio
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index bb3f3297062a..776f90f3a1cd 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HIGHMEM_H
 #define _LINUX_HIGHMEM_H
 
diff --git a/include/linux/highuid.h b/include/linux/highuid.h
index 434e56246f67..50d383fd674d 100644
--- a/include/linux/highuid.h
+++ b/include/linux/highuid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HIGHUID_H
 #define _LINUX_HIGHUID_H
 
diff --git a/include/linux/hpet.h b/include/linux/hpet.h
index 9427ab4e01c3..8604564b985d 100644
--- a/include/linux/hpet.h
+++ b/include/linux/hpet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	__HPET__
 #define	__HPET__ 1
 
diff --git a/include/linux/htcpld.h b/include/linux/htcpld.h
index ab3f6cb4dddc..842fce69ac06 100644
--- a/include/linux/htcpld.h
+++ b/include/linux/htcpld.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_HTCPLD_H
 #define __LINUX_HTCPLD_H
 
diff --git a/include/linux/htirq.h b/include/linux/htirq.h
index d4a527e58434..127c39d815ba 100644
--- a/include/linux/htirq.h
+++ b/include/linux/htirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_HTIRQ_H
 #define LINUX_HTIRQ_H
 
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 14bc21c2ee7f..87067d23a48b 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HUGE_MM_H
 #define _LINUX_HUGE_MM_H
 
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 8bbbd37ab105..fbf5b31d47ee 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HUGETLB_H
 #define _LINUX_HUGETLB_H
 
diff --git a/include/linux/hugetlb_inline.h b/include/linux/hugetlb_inline.h
index a4e7ca0f3585..0660a03d37d9 100644
--- a/include/linux/hugetlb_inline.h
+++ b/include/linux/hugetlb_inline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HUGETLB_INLINE_H
 #define _LINUX_HUGETLB_INLINE_H
 
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 0464c85e63fd..cf045885a499 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HW_BREAKPOINT_H
 #define _LINUX_HW_BREAKPOINT_H
 
diff --git a/include/linux/hypervisor.h b/include/linux/hypervisor.h
index 3fa5ef2b3759..b4054fd5b6f6 100644
--- a/include/linux/hypervisor.h
+++ b/include/linux/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_HYPEVISOR_H
 #define __LINUX_HYPEVISOR_H
 
diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index a3c3ecd59f08..d03071732db4 100644
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_I2C_ALGO_PCA_H
 #define _LINUX_I2C_ALGO_PCA_H
 
diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h
index babe0cf6d56b..3444265ee8ee 100644
--- a/include/linux/i2c-omap.h
+++ b/include/linux/i2c-omap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __I2C_OMAP_H__
 #define __I2C_OMAP_H__
 
diff --git a/include/linux/i2c-pca-platform.h b/include/linux/i2c-pca-platform.h
index aba33759dec4..0e5f7c77d1d8 100644
--- a/include/linux/i2c-pca-platform.h
+++ b/include/linux/i2c-pca-platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef I2C_PCA9564_PLATFORM_H
 #define I2C_PCA9564_PLATFORM_H
 
diff --git a/include/linux/i2c-pxa.h b/include/linux/i2c-pxa.h
index 41dcdfe7f625..a897e2b507b6 100644
--- a/include/linux/i2c-pxa.h
+++ b/include/linux/i2c-pxa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_I2C_ALGO_PXA_H
 #define _LINUX_I2C_ALGO_PXA_H
 
diff --git a/include/linux/i7300_idle.h b/include/linux/i7300_idle.h
index 1587b7dec505..4dbe651f71f5 100644
--- a/include/linux/i7300_idle.h
+++ b/include/linux/i7300_idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef I7300_IDLE_H
 #define I7300_IDLE_H
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 57086e9fc64c..a8f888976137 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ICMPV6_H
 #define _LINUX_ICMPV6_H
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index dc152e4b7f73..70db3af04541 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IDE_H
 #define _IDE_H
 /*
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 0b17c585b5cd..4c54611e03e9 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IF_LINK_H
 #define _LINUX_IF_LINK_H
 
diff --git a/include/linux/if_ltalk.h b/include/linux/if_ltalk.h
index 81e434c50790..4cc1c0b77870 100644
--- a/include/linux/if_ltalk.h
+++ b/include/linux/if_ltalk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_LTALK_H
 #define __LINUX_LTALK_H
 
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index c9ec1343d187..0e2c60efad2d 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
diff --git a/include/linux/if_phonet.h b/include/linux/if_phonet.h
index bbcdb0a767d8..3b5c60da2e2a 100644
--- a/include/linux/if_phonet.h
+++ b/include/linux/if_phonet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File: if_phonet.h
  *
diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h
index 4837157da0dc..0d7b56d91308 100644
--- a/include/linux/if_tap.h
+++ b/include/linux/if_tap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IF_TAP_H_
 #define _LINUX_IF_TAP_H_
 
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 712710bc0580..26606523eca4 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IF_TUNNEL_H_
 #define _IF_TUNNEL_H_
 
diff --git a/include/linux/ihex.h b/include/linux/ihex.h
index 31d8629e75a1..75c194391869 100644
--- a/include/linux/ihex.h
+++ b/include/linux/ihex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Compact binary representation of ihex records. Some devices need their
  * firmware loaded in strange orders rather than a single big blob, but
diff --git a/include/linux/iio/buffer_impl.h b/include/linux/iio/buffer_impl.h
index 8daba198fafa..b9e22b7e2f28 100644
--- a/include/linux/iio/buffer_impl.h
+++ b/include/linux/iio/buffer_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IIO_BUFFER_GENERIC_IMPL_H_
 #define _IIO_BUFFER_GENERIC_IMPL_H_
 #include <linux/sysfs.h>
diff --git a/include/linux/iio/dac/ad5421.h b/include/linux/iio/dac/ad5421.h
index 8fd8f057a890..d8ee9a7f8a6a 100644
--- a/include/linux/iio/dac/ad5421.h
+++ b/include/linux/iio/dac/ad5421.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IIO_DAC_AD5421_H__
 #define __IIO_DAC_AD5421_H__
 
diff --git a/include/linux/iio/kfifo_buf.h b/include/linux/iio/kfifo_buf.h
index 027cfa9c3703..764659e01b68 100644
--- a/include/linux/iio/kfifo_buf.h
+++ b/include/linux/iio/kfifo_buf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_IIO_KFIFO_BUF_H__
 #define __LINUX_IIO_KFIFO_BUF_H__
 
diff --git a/include/linux/iio/magnetometer/ak8975.h b/include/linux/iio/magnetometer/ak8975.h
index c8400959d197..ac9366f807cb 100644
--- a/include/linux/iio/magnetometer/ak8975.h
+++ b/include/linux/iio/magnetometer/ak8975.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IIO_MAGNETOMETER_AK8975_H__
 #define __IIO_MAGNETOMETER_AK8975_H__
 
diff --git a/include/linux/iio/triggered_buffer.h b/include/linux/iio/triggered_buffer.h
index 30145616773d..238ad30ce166 100644
--- a/include/linux/iio/triggered_buffer.h
+++ b/include/linux/iio/triggered_buffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IIO_TRIGGERED_BUFFER_H_
 #define _LINUX_IIO_TRIGGERED_BUFFER_H_
 
diff --git a/include/linux/iio/triggered_event.h b/include/linux/iio/triggered_event.h
index 8fe8537085bb..13250fd99745 100644
--- a/include/linux/iio/triggered_event.h
+++ b/include/linux/iio/triggered_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IIO_TRIGGERED_EVENT_H_
 #define _LINUX_IIO_TRIGGERED_EVENT_H_
 
diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index ee251c585854..39faaaf843e1 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INET_DIAG_H_
 #define _INET_DIAG_H_ 1
 
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index fb3f809e34e4..5058f061cb2b 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_INETDEVICE_H
 #define _LINUX_INETDEVICE_H
 
diff --git a/include/linux/init.h b/include/linux/init.h
index 94769d687cf0..f38b993edacb 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_INIT_H
 #define _LINUX_INIT_H
 
diff --git a/include/linux/init_ohci1394_dma.h b/include/linux/init_ohci1394_dma.h
index 3c03a4bba5e4..228afca432ac 100644
--- a/include/linux/init_ohci1394_dma.h
+++ b/include/linux/init_ohci1394_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
 extern int __initdata init_ohci1394_dma_early;
 extern void __init init_ohci1394_dma_on_all_controllers(void);
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 3c07ace5b431..8062e6cc607c 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX__INIT_TASK_H
 #define _LINUX__INIT_TASK_H
 
diff --git a/include/linux/initrd.h b/include/linux/initrd.h
index bc67b767f9ce..84b423044088 100644
--- a/include/linux/initrd.h
+++ b/include/linux/initrd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
 
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index 23aede0b5843..44f9ffe72c87 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Inode based directory notification for Linux
  *
diff --git a/include/linux/input/cy8ctmg110_pdata.h b/include/linux/input/cy8ctmg110_pdata.h
index 09522cb59910..77582ae1745a 100644
--- a/include/linux/input/cy8ctmg110_pdata.h
+++ b/include/linux/input/cy8ctmg110_pdata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CY8CTMG110_PDATA_H
 #define _LINUX_CY8CTMG110_PDATA_H
 
diff --git a/include/linux/input/gp2ap002a00f.h b/include/linux/input/gp2ap002a00f.h
index aad2fd44a61a..3614a13a8297 100644
--- a/include/linux/input/gp2ap002a00f.h
+++ b/include/linux/input/gp2ap002a00f.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GP2AP002A00F_H_
 #define _GP2AP002A00F_H_
 
diff --git a/include/linux/input/gpio_tilt.h b/include/linux/input/gpio_tilt.h
index c1cc52d380e0..f9d932476a80 100644
--- a/include/linux/input/gpio_tilt.h
+++ b/include/linux/input/gpio_tilt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INPUT_GPIO_TILT_H
 #define _INPUT_GPIO_TILT_H
 
diff --git a/include/linux/input/ili210x.h b/include/linux/input/ili210x.h
index a5471245a13c..b76e7c1404cd 100644
--- a/include/linux/input/ili210x.h
+++ b/include/linux/input/ili210x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ILI210X_H
 #define _ILI210X_H
 
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 6174733a57eb..9476768c3b90 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MATRIX_KEYPAD_H
 #define _MATRIX_KEYPAD_H
 
diff --git a/include/linux/input/sh_keysc.h b/include/linux/input/sh_keysc.h
index 5d253cd93691..b3c4f3b6679c 100644
--- a/include/linux/input/sh_keysc.h
+++ b/include/linux/input/sh_keysc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SH_KEYSC_H__
 #define __SH_KEYSC_H__
 
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 59ba11661b6e..baeb872283d9 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* interrupt.h */
 #ifndef _LINUX_INTERRUPT_H
 #define _LINUX_INTERRUPT_H
diff --git a/include/linux/interval_tree.h b/include/linux/interval_tree.h
index 202ee1283f4b..288c26f50732 100644
--- a/include/linux/interval_tree.h
+++ b/include/linux/interval_tree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_INTERVAL_TREE_H
 #define _LINUX_INTERVAL_TREE_H
 
diff --git a/include/linux/io-64-nonatomic-hi-lo.h b/include/linux/io-64-nonatomic-hi-lo.h
index defcc4644ce3..862d786a904f 100644
--- a/include/linux/io-64-nonatomic-hi-lo.h
+++ b/include/linux/io-64-nonatomic-hi-lo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IO_64_NONATOMIC_HI_LO_H_
 #define _LINUX_IO_64_NONATOMIC_HI_LO_H_
 
diff --git a/include/linux/io-64-nonatomic-lo-hi.h b/include/linux/io-64-nonatomic-lo-hi.h
index 084461a4e5ab..d042e7bb5adb 100644
--- a/include/linux/io-64-nonatomic-lo-hi.h
+++ b/include/linux/io-64-nonatomic-lo-hi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IO_64_NONATOMIC_LO_HI_H_
 #define _LINUX_IO_64_NONATOMIC_LO_HI_H_
 
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index df38db2ef45b..dba15ca8e60b 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IOCONTEXT_H
 #define IOCONTEXT_H
 
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index f64dc6ce5161..8a7c6d26b147 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_IOMAP_H
 #define LINUX_IOMAP_H 1
 
diff --git a/include/linux/iommu-common.h b/include/linux/iommu-common.h
index 376a27c9cc6a..802c90c79d1f 100644
--- a/include/linux/iommu-common.h
+++ b/include/linux/iommu-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IOMMU_COMMON_H
 #define _LINUX_IOMMU_COMMON_H
 
diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
index 86bdeffe43ad..cb9a9248c8c0 100644
--- a/include/linux/iommu-helper.h
+++ b/include/linux/iommu-helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IOMMU_HELPER_H
 #define _LINUX_IOMMU_HELPER_H
 
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index f5cf32e80041..83c8d6530f0f 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ioport.h	Definitions of routines for detecting, reserving and
  *		allocating system resources.
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 8c1239020d79..2cdd74809899 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IOPRIO_H
 #define IOPRIO_H
 
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 92a2ccff80c5..821b2f260992 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IPC_H
 #define _LINUX_IPC_H
 
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 83f0bf7a587d..474812abe773 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IPC_NAMESPACE_H__
 #define __IPC_NAMESPACE_H__
 
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index ac2da4e11d5e..ea04ca024f0d 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IPV6_H
 #define _IPV6_H
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5ad10948ea95..4536286cc4d2 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQ_H
 #define _LINUX_IRQ_H
 
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h
index 77e4bac29287..4954948d1973 100644
--- a/include/linux/irq_cpustat.h
+++ b/include/linux/irq_cpustat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __irq_cpustat_h
 #define __irq_cpustat_h
 
diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h
index 3e8c1b8fb9be..16aaeccb65cb 100644
--- a/include/linux/irq_poll.h
+++ b/include/linux/irq_poll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef IRQ_POLL_H
 #define IRQ_POLL_H
 
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 47b9ebd4a74f..9270d73ea682 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQ_WORK_H
 #define _LINUX_IRQ_WORK_H
 
diff --git a/include/linux/irqchip/metag-ext.h b/include/linux/irqchip/metag-ext.h
index 697af0fe7c5a..d120496370b9 100644
--- a/include/linux/irqchip/metag-ext.h
+++ b/include/linux/irqchip/metag-ext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2012 Imagination Technologies
  */
diff --git a/include/linux/irqchip/metag.h b/include/linux/irqchip/metag.h
index 4ebdfb3101ab..0adcf449e4e4 100644
--- a/include/linux/irqchip/metag.h
+++ b/include/linux/irqchip/metag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2011 Imagination Technologies
  */
diff --git a/include/linux/irqchip/mmp.h b/include/linux/irqchip/mmp.h
index c78a8921185d..cb8455c87c8a 100644
--- a/include/linux/irqchip/mmp.h
+++ b/include/linux/irqchip/mmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	__IRQCHIP_MMP_H
 #define	__IRQCHIP_MMP_H
 
diff --git a/include/linux/irqchip/versatile-fpga.h b/include/linux/irqchip/versatile-fpga.h
index 1fac9651d3ca..a978fc8c7996 100644
--- a/include/linux/irqchip/versatile-fpga.h
+++ b/include/linux/irqchip/versatile-fpga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PLAT_FPGA_IRQ_H
 #define PLAT_FPGA_IRQ_H
 
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 3e90a094798d..b6084898d330 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQDESC_H
 #define _LINUX_IRQDESC_H
 
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 81e4889ca6dd..b1037dfc47e4 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * irq_domain - IRQ translation domains
  *
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 5fdd93bb9300..46cb57d5eb13 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/irqflags.h
  *
diff --git a/include/linux/irqhandler.h b/include/linux/irqhandler.h
index 661bed0ed1f3..1e6f4e7123d6 100644
--- a/include/linux/irqhandler.h
+++ b/include/linux/irqhandler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQHANDLER_H
 #define _LINUX_IRQHANDLER_H
 
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 9669bf9d4f48..3496baa0b07f 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQNR_H
 #define _LINUX_IRQNR_H
 
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index eb1bdcf95f2e..bd4c066ad39b 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IRQRETURN_H
 #define _LINUX_IRQRETURN_H
 
diff --git a/include/linux/isa.h b/include/linux/isa.h
index f2d0258414cf..41336da0f4e7 100644
--- a/include/linux/isa.h
+++ b/include/linux/isa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ISA bus.
  */
diff --git a/include/linux/isicom.h b/include/linux/isicom.h
index b92e05650639..7de6822d7b1a 100644
--- a/include/linux/isicom.h
+++ b/include/linux/isicom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ISICOM_H
 #define _LINUX_ISICOM_H
 
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 734377ad42e9..9385aa57497b 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_JIFFIES_H
 #define _LINUX_JIFFIES_H
 
diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 98cd41bb39c8..9fb870524314 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/journal-head.h
  *
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index cd5861651b17..3b7675bcca64 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_JUMP_LABEL_H
 #define _LINUX_JUMP_LABEL_H
 
diff --git a/include/linux/jump_label_ratelimit.h b/include/linux/jump_label_ratelimit.h
index 23da3af459fe..fc13ff289903 100644
--- a/include/linux/jump_label_ratelimit.h
+++ b/include/linux/jump_label_ratelimit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_JUMP_LABEL_RATELIMIT_H
 #define _LINUX_JUMP_LABEL_RATELIMIT_H
 
diff --git a/include/linux/jz4740-adc.h b/include/linux/jz4740-adc.h
index 8184578fbfa4..19d995c8bf06 100644
--- a/include/linux/jz4740-adc.h
+++ b/include/linux/jz4740-adc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __LINUX_JZ4740_ADC
 #define __LINUX_JZ4740_ADC
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 6883e197acb9..11dd93e42580 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Rewritten and vastly simplified by Rusty Russell for in-kernel
  * module loader:
  *   Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h
index 41960fecf783..d314150658a4 100644
--- a/include/linux/kasan-checks.h
+++ b/include/linux/kasan-checks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KASAN_CHECKS_H
 #define _LINUX_KASAN_CHECKS_H
 
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index a5c7046f26b4..5017269e3f04 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KASAN_H
 #define _LINUX_KASAN_H
 
diff --git a/include/linux/kbd_diacr.h b/include/linux/kbd_diacr.h
index 7274ec68c246..738c7340c151 100644
--- a/include/linux/kbd_diacr.h
+++ b/include/linux/kbd_diacr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DIACR_H
 #define _DIACR_H
 #include <linux/kd.h>
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
index cbfb171bbcba..bb2246c8ec13 100644
--- a/include/linux/kbd_kern.h
+++ b/include/linux/kbd_kern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KBD_KERN_H
 #define _KBD_KERN_H
 
diff --git a/include/linux/kbuild.h b/include/linux/kbuild.h
index 4e80f3a9ad58..e7be517aaaf6 100644
--- a/include/linux/kbuild.h
+++ b/include/linux/kbuild.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_KBUILD_H
 #define __LINUX_KBUILD_H
 
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index 4d748603e818..fec5076eda91 100644
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_KCONFIG_H
 #define __LINUX_KCONFIG_H
 
diff --git a/include/linux/kcore.h b/include/linux/kcore.h
index d92762286645..7ff25a808fef 100644
--- a/include/linux/kcore.h
+++ b/include/linux/kcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * /proc/kcore definitions
  */
diff --git a/include/linux/kcov.h b/include/linux/kcov.h
index 2883ac98c280..f5d8ce4f4f86 100644
--- a/include/linux/kcov.h
+++ b/include/linux/kcov.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KCOV_H
 #define _LINUX_KCOV_H
 
diff --git a/include/linux/kd.h b/include/linux/kd.h
index 25bd17fad239..b130a18f860f 100644
--- a/include/linux/kd.h
+++ b/include/linux/kd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KD_H
 #define _LINUX_KD_H
 
diff --git a/include/linux/kdebug.h b/include/linux/kdebug.h
index ed815090b3bc..fd311565fabf 100644
--- a/include/linux/kdebug.h
+++ b/include/linux/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KDEBUG_H
 #define _LINUX_KDEBUG_H
 
diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index 8e9e288b08c1..85b5151911cf 100644
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KDEV_T_H
 #define _LINUX_KDEV_T_H
 
diff --git a/include/linux/kern_levels.h b/include/linux/kern_levels.h
index f282d4e87258..d237fe854ad9 100644
--- a/include/linux/kern_levels.h
+++ b/include/linux/kern_levels.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KERN_LEVELS_H__
 #define __KERN_LEVELS_H__
 
diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h
index f65ce09784f1..abd20ef93c98 100644
--- a/include/linux/kernel-page-flags.h
+++ b/include/linux/kernel-page-flags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_KERNEL_PAGE_FLAGS_H
 #define LINUX_KERNEL_PAGE_FLAGS_H
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 91189bb0c818..4b484ab9e163 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KERNEL_H
 #define _LINUX_KERNEL_H
 
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 66be8b6beceb..7ee2bb43b251 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KERNEL_STAT_H
 #define _LINUX_KERNEL_STAT_H
 
diff --git a/include/linux/kernelcapi.h b/include/linux/kernelcapi.h
index e985ba679c4a..075fab5f92e1 100644
--- a/include/linux/kernelcapi.h
+++ b/include/linux/kernelcapi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * $Id: kernelcapi.h,v 1.8.6.2 2001/02/07 11:31:31 kai Exp $
  * 
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 2b7590f5483a..1c08c925cefb 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_KEXEC_H
 #define LINUX_KEXEC_H
 
diff --git a/include/linux/keyboard.h b/include/linux/keyboard.h
index 131ed5146521..73d11e4090cf 100644
--- a/include/linux/keyboard.h
+++ b/include/linux/keyboard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_KEYBOARD_H
 #define __LINUX_KEYBOARD_H
 
diff --git a/include/linux/khugepaged.h b/include/linux/khugepaged.h
index f0d7335336cd..082d1d2a5216 100644
--- a/include/linux/khugepaged.h
+++ b/include/linux/khugepaged.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KHUGEPAGED_H
 #define _LINUX_KHUGEPAGED_H
 
diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h
index 39f8453239f7..7b1d7bead7d9 100644
--- a/include/linux/kmemcheck.h
+++ b/include/linux/kmemcheck.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_KMEMCHECK_H
 #define LINUX_KMEMCHECK_H
 
diff --git a/include/linux/kobj_map.h b/include/linux/kobj_map.h
index 18ca75ffcc5a..c9919f8b2293 100644
--- a/include/linux/kobj_map.h
+++ b/include/linux/kobj_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * kobj_map.h
  */
diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 78b44a024eaa..44368b19b27e 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_KSM_H
 #define __LINUX_KSM_H
 /*
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 82e197eeac91..4e26609c77d4 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KTHREAD_H
 #define _LINUX_KTHREAD_H
 /* Simple interface for creating and stopping kernel threads without mess. */
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index 35e568f04b1e..51f6ef2c2ff4 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_KVM_PARA_H
 #define __LINUX_KVM_PARA_H
 
diff --git a/include/linux/l2tp.h b/include/linux/l2tp.h
index bffdb962f1a6..0402eda1a94e 100644
--- a/include/linux/l2tp.h
+++ b/include/linux/l2tp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * L2TP-over-IP socket for L2TPv3.
  *
diff --git a/include/linux/lapb.h b/include/linux/lapb.h
index 873c1eb635e4..eb56472f23b2 100644
--- a/include/linux/lapb.h
+++ b/include/linux/lapb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * These are the public elements of the Linux LAPB module.
  */
diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h
index 59ccab297ae0..7c560e0dc8f4 100644
--- a/include/linux/latencytop.h
+++ b/include/linux/latencytop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * latencytop.h: Infrastructure for displaying latency
  *
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index 504f6246f38f..851eee8fff25 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * LCD Lowlevel Control Abstraction
  *
diff --git a/include/linux/lcm.h b/include/linux/lcm.h
index 1ce79a7f1daa..0db3efd56efb 100644
--- a/include/linux/lcm.h
+++ b/include/linux/lcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LCM_H
 #define _LCM_H
 
diff --git a/include/linux/leds_pwm.h b/include/linux/leds_pwm.h
index a65e9646e4b1..93d101d28943 100644
--- a/include/linux/leds_pwm.h
+++ b/include/linux/leds_pwm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PWM LED driver data - see drivers/leds/leds-pwm.c
  */
diff --git a/include/linux/libfdt.h b/include/linux/libfdt.h
index 4c0306c69b4e..27ba06e5d117 100644
--- a/include/linux/libfdt.h
+++ b/include/linux/libfdt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_LIBFDT_H_
 #define _INCLUDE_LIBFDT_H_
 
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index 2a663c6bb428..14997285e53d 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBFDT_ENV_H
 #define _LIBFDT_ENV_H
 
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 7dfa56ebbc6d..a29a8db5cc2f 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef NVM_H
 #define NVM_H
 
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index a6a42dd02466..2e6f90bd52aa 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LINKAGE_H
 #define _LINUX_LINKAGE_H
 
diff --git a/include/linux/linux_logo.h b/include/linux/linux_logo.h
index ca5bd91d12e1..5e3581d76c7f 100644
--- a/include/linux/linux_logo.h
+++ b/include/linux/linux_logo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LINUX_LOGO_H
 #define _LINUX_LINUX_LOGO_H
 
diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h
index f1664c636af0..b72b8cdba765 100644
--- a/include/linux/lis3lv02d.h
+++ b/include/linux/lis3lv02d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LIS3LV02D_H_
 #define __LIS3LV02D_H_
 
diff --git a/include/linux/list.h b/include/linux/list.h
index ae537fa46216..4b129df4d46b 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LIST_H
 #define _LINUX_LIST_H
 
diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h
index cb483305e1f5..3fc2cc57ba1b 100644
--- a/include/linux/list_bl.h
+++ b/include/linux/list_bl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LIST_BL_H
 #define _LINUX_LIST_BL_H
 
diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index fa7fd03cb5f9..bb8129a3474d 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2013 Red Hat, Inc. and Parallels Inc. All rights reserved.
  * Authors: David Chinner and Glauber Costa
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h
index 87ff4f58a2f0..3ef96743db8d 100644
--- a/include/linux/list_nulls.h
+++ b/include/linux/list_nulls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LIST_NULLS_H
 #define _LINUX_LIST_NULLS_H
 
diff --git a/include/linux/list_sort.h b/include/linux/list_sort.h
index 1a2df2efb771..ba79956e848d 100644
--- a/include/linux/list_sort.h
+++ b/include/linux/list_sort.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_LIST_SORT_H
 #define _LINUX_LIST_SORT_H
 
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 05728396a1a1..053a4ef3d431 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/bind.h
  *
diff --git a/include/linux/lockd/debug.h b/include/linux/lockd/debug.h
index 0ca8109934e4..e536c579827f 100644
--- a/include/linux/lockd/debug.h
+++ b/include/linux/lockd/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/debug.h
  *
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 3eca67728366..d7d313fb9cd4 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/lockd.h
  *
diff --git a/include/linux/lockd/nlm.h b/include/linux/lockd/nlm.h
index d9d46e442538..6e343ef760dc 100644
--- a/include/linux/lockd/nlm.h
+++ b/include/linux/lockd/nlm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/nlm.h
  *
diff --git a/include/linux/lockd/share.h b/include/linux/lockd/share.h
index 630c5bf69b07..1f18a9faf645 100644
--- a/include/linux/lockd/share.h
+++ b/include/linux/lockd/share.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/share.h
  *
diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h
index 7acbecc21a40..7ab9f264313f 100644
--- a/include/linux/lockd/xdr.h
+++ b/include/linux/lockd/xdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/xdr.h
  *
diff --git a/include/linux/lockd/xdr4.h b/include/linux/lockd/xdr4.h
index bf1645609225..e709fe5924f2 100644
--- a/include/linux/lockd/xdr4.h
+++ b/include/linux/lockd/xdr4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/lockd/xdr4.h
  *
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index bfa8e0b0d6f1..f301d31b473c 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Runtime locking correctness validator
  *
diff --git a/include/linux/lockref.h b/include/linux/lockref.h
index b10b122dd099..ef3c9342e119 100644
--- a/include/linux/lockref.h
+++ b/include/linux/lockref.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_LOCKREF_H
 #define __LINUX_LOCKREF_H
 
diff --git a/include/linux/lp.h b/include/linux/lp.h
index 0dd276af9e4e..be8a07eb2083 100644
--- a/include/linux/lp.h
+++ b/include/linux/lp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * usr/include/linux/lp.h c.1991-1992 James Wiegand
  * many modifications copyright (C) 1992 Michael K. Johnson
diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h
index d1c2901f1542..915330abf6e5 100644
--- a/include/linux/lsm_audit.h
+++ b/include/linux/lsm_audit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common LSM logging functions
  * Heavily borrowed from selinux/avc.h
diff --git a/include/linux/lzo.h b/include/linux/lzo.h
index a0848d9377e5..2ae27cb89927 100644
--- a/include/linux/lzo.h
+++ b/include/linux/lzo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LZO_H__
 #define __LZO_H__
 /*
diff --git a/include/linux/mISDNdsp.h b/include/linux/mISDNdsp.h
index 41d1eeb9b3bd..00758f45fddc 100644
--- a/include/linux/mISDNdsp.h
+++ b/include/linux/mISDNdsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __mISDNdsp_H__
 #define __mISDNdsp_H__
 
diff --git a/include/linux/maple.h b/include/linux/maple.h
index c37288b23e0c..9b140272ee16 100644
--- a/include/linux/maple.h
+++ b/include/linux/maple.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MAPLE_H
 #define __LINUX_MAPLE_H
 
diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h
index 4055cf8cc978..4f5f8c21e283 100644
--- a/include/linux/marvell_phy.h
+++ b/include/linux/marvell_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MARVELL_PHY_H
 #define _MARVELL_PHY_H
 
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 80690c96c734..082de345b73c 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MATH64_H
 #define _LINUX_MATH64_H
 
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
index e1bc73414983..20f1e3ff6013 100644
--- a/include/linux/mbcache.h
+++ b/include/linux/mbcache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MBCACHE_H
 #define _LINUX_MBCACHE_H
 
diff --git a/include/linux/mc6821.h b/include/linux/mc6821.h
index 28e301e295da..8dffab19b4ac 100644
--- a/include/linux/mc6821.h
+++ b/include/linux/mc6821.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MC6821_H_
 #define _MC6821_H_
 
diff --git a/include/linux/mdio-bitbang.h b/include/linux/mdio-bitbang.h
index 76f52bbbb2f4..a8ac9cfa014c 100644
--- a/include/linux/mdio-bitbang.h
+++ b/include/linux/mdio-bitbang.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MDIO_BITBANG_H
 #define __LINUX_MDIO_BITBANG_H
 
diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h
index a0d274fe08f1..7fde40e17c8b 100644
--- a/include/linux/mei_cl_bus.h
+++ b/include/linux/mei_cl_bus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MEI_CL_BUS_H
 #define _LINUX_MEI_CL_BUS_H
 
diff --git a/include/linux/memory.h b/include/linux/memory.h
index b723a686fc10..f71e732c77b2 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/memory.h - generic memory definition
  *
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 0995e1a2b458..58e110aee7ab 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MEMORY_HOTPLUG_H
 #define __LINUX_MEMORY_HOTPLUG_H
 
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 3a58b4be1b0c..5228c62af416 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NUMA memory policies for Linux.
  * Copyright 2003,2004 Andi Kleen SuSE Labs
diff --git a/include/linux/mempool.h b/include/linux/mempool.h
index b1086c936507..b51f5c430c26 100644
--- a/include/linux/mempool.h
+++ b/include/linux/mempool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * memory buffer pool support
  */
diff --git a/include/linux/memremap.h b/include/linux/memremap.h
index 79f8ba7c3894..10d23c367048 100644
--- a/include/linux/memremap.h
+++ b/include/linux/memremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MEMREMAP_H_
 #define _LINUX_MEMREMAP_H_
 #include <linux/mm.h>
diff --git a/include/linux/mfd/da903x.h b/include/linux/mfd/da903x.h
index 0aa3a1a49ee3..d1c57b8dbba4 100644
--- a/include/linux/mfd/da903x.h
+++ b/include/linux/mfd/da903x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PMIC_DA903X_H
 #define __LINUX_PMIC_DA903X_H
 
diff --git a/include/linux/mfd/dln2.h b/include/linux/mfd/dln2.h
index 004b24576da8..4cade9aa8edb 100644
--- a/include/linux/mfd/dln2.h
+++ b/include/linux/mfd/dln2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_USB_DLN2_H
 #define __LINUX_USB_DLN2_H
 
diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h
index 2227c6a75d84..43dfca1c9702 100644
--- a/include/linux/mfd/ds1wm.h
+++ b/include/linux/mfd/ds1wm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* MFD cell driver data for the DS1WM driver
  *
  * to be defined in the MFD device that is
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index 32a1b5cfeba1..ffde195e12b7 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2009 Daniel Ribeiro <drwyrm@gmail.com>
  *
diff --git a/include/linux/mfd/imx25-tsadc.h b/include/linux/mfd/imx25-tsadc.h
index 7fe4b8c3baac..21f8adfefd1d 100644
--- a/include/linux/mfd/imx25-tsadc.h
+++ b/include/linux/mfd/imx25-tsadc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_INCLUDE_MFD_IMX25_TSADC_H_
 #define _LINUX_INCLUDE_MFD_IMX25_TSADC_H_
 
diff --git a/include/linux/mfd/ipaq-micro.h b/include/linux/mfd/ipaq-micro.h
index 5c4d29f6674f..ee48a4321c57 100644
--- a/include/linux/mfd/ipaq-micro.h
+++ b/include/linux/mfd/ipaq-micro.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Header file for the compaq Micro MFD
  */
diff --git a/include/linux/mfd/menelaus.h b/include/linux/mfd/menelaus.h
index 9e85ac06da89..ce489aba88ec 100644
--- a/include/linux/mfd/menelaus.h
+++ b/include/linux/mfd/menelaus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Functions to access Menelaus power management chip
  */
diff --git a/include/linux/mfd/pcf50633/pmic.h b/include/linux/mfd/pcf50633/pmic.h
index 2d3dbe53b235..eac0c3d8e984 100644
--- a/include/linux/mfd/pcf50633/pmic.h
+++ b/include/linux/mfd/pcf50633/pmic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MFD_PCF50633_PMIC_H
 #define __LINUX_MFD_PCF50633_PMIC_H
 
diff --git a/include/linux/mfd/qcom_rpm.h b/include/linux/mfd/qcom_rpm.h
index 742ebf1b76ca..4b6b644f1108 100644
--- a/include/linux/mfd/qcom_rpm.h
+++ b/include/linux/mfd/qcom_rpm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_RPM_H__
 #define __QCOM_RPM_H__
 
diff --git a/include/linux/mfd/rdc321x.h b/include/linux/mfd/rdc321x.h
index 442743a8f915..697933b2227b 100644
--- a/include/linux/mfd/rdc321x.h
+++ b/include/linux/mfd/rdc321x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RDC321X_MFD_H
 #define __RDC321X_MFD_H
 
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 15646740e2a8..e1cfe9194129 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MFD_TMIO_H
 #define MFD_TMIO_H
 
diff --git a/include/linux/mfd/tps6586x.h b/include/linux/mfd/tps6586x.h
index 96187ed9f9bb..2fe68e481230 100644
--- a/include/linux/mfd/tps6586x.h
+++ b/include/linux/mfd/tps6586x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MFD_TPS6586X_H
 #define __LINUX_MFD_TPS6586X_H
 
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 643c7ae7d7b4..895ec0c4942e 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MIGRATE_H
 #define _LINUX_MIGRATE_H
 
diff --git a/include/linux/migrate_mode.h b/include/linux/migrate_mode.h
index bdf66af9b937..883c99249033 100644
--- a/include/linux/migrate_mode.h
+++ b/include/linux/migrate_mode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MIGRATE_MODE_H_INCLUDED
 #define MIGRATE_MODE_H_INCLUDED
 /*
diff --git a/include/linux/mii.h b/include/linux/mii.h
index e870bfa6abfe..55000ee5c6ad 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/mii.h: definitions for MII-compatible transceivers
  * Originally drivers/net/sunhme.h.
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 58751eae5f77..4de703d9e21f 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MISCDEVICE_H
 #define _LINUX_MISCDEVICE_H
 #include <linux/major.h>
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 065d99deb847..43edf659453b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MM_H
 #define _LINUX_MM_H
 
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 25438b2b6f22..c30b32e3c862 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_MM_INLINE_H
 #define LINUX_MM_INLINE_H
 
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 1861ea8dba77..c85f11dafd56 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MM_TYPES_H
 #define _LINUX_MM_TYPES_H
 
diff --git a/include/linux/mm_types_task.h b/include/linux/mm_types_task.h
index fc412fbd80bd..5fe87687664c 100644
--- a/include/linux/mm_types_task.h
+++ b/include/linux/mm_types_task.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MM_TYPES_TASK_H
 #define _LINUX_MM_TYPES_TASK_H
 
diff --git a/include/linux/mman.h b/include/linux/mman.h
index c8367041fafd..7c87b6652244 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MMAN_H
 #define _LINUX_MMAN_H
 
diff --git a/include/linux/mmc/sdhci-pci-data.h b/include/linux/mmc/sdhci-pci-data.h
index fda15b6d4135..36f986d4a59a 100644
--- a/include/linux/mmc/sdhci-pci-data.h
+++ b/include/linux/mmc/sdhci-pci-data.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_MMC_SDHCI_PCI_DATA_H
 #define LINUX_MMC_SDHCI_PCI_DATA_H
 
diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index abacd5484bc0..cdd66a5fbd5e 100644
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SDIO Classes, Interface Types, Manufacturer IDs, etc.
  */
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 451a811f48f2..57b0030d3800 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_MM_DEBUG_H
 #define LINUX_MM_DEBUG_H 1
 
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
index 3ba327af055c..88236849894d 100644
--- a/include/linux/mmiotrace.h
+++ b/include/linux/mmiotrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MMIOTRACE_H
 #define _LINUX_MMIOTRACE_H
 
diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h
index a4441784503b..d9a543a9e1cc 100644
--- a/include/linux/mmu_context.h
+++ b/include/linux/mmu_context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MMU_CONTEXT_H
 #define _LINUX_MMU_CONTEXT_H
 
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 6866e8126982..2cf1c3c807f6 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MMU_NOTIFIER_H
 #define _LINUX_MMU_NOTIFIER_H
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index c8f89417740b..c9c4a81b9767 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MMZONE_H
 #define _LINUX_MMZONE_H
 
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 12b2ab510323..35942084cd40 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NAMESPACE_H_
 #define _NAMESPACE_H_
 #ifdef __KERNEL__
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 2657f9f51536..1c2e8d6b7274 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Device tables which are exported to userspace via
  * scripts/mod/file2alias.c.  You must keep that file in sync with this
diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index 4d0cb9bba93e..31013c2effd3 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MODULELOADER_H
 #define _LINUX_MODULELOADER_H
 /* The stuff needed for archs to support modules. */
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 1ee7b30dafec..1d7140fef154 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MODULE_PARAMS_H
 #define _LINUX_MODULE_PARAMS_H
 /* (C) Copyright 2001, 2002 Rusty Russell IBM Corporation */
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 1ce85e6fd95f..45b1f56c6c2f 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  * Definitions for mount interface. This describes the in the kernel build 
diff --git a/include/linux/mpage.h b/include/linux/mpage.h
index 068a0c9946af..001f1fcf9836 100644
--- a/include/linux/mpage.h
+++ b/include/linux/mpage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/mpage.h
  *
diff --git a/include/linux/mpls.h b/include/linux/mpls.h
index 384fb22b6c43..ae1a188c011b 100644
--- a/include/linux/mpls.h
+++ b/include/linux/mpls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MPLS_H
 #define _LINUX_MPLS_H
 
diff --git a/include/linux/mpls_iptunnel.h b/include/linux/mpls_iptunnel.h
index ef29eb2d6dfd..140c56954fbe 100644
--- a/include/linux/mpls_iptunnel.h
+++ b/include/linux/mpls_iptunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MPLS_IPTUNNEL_H
 #define _LINUX_MPLS_IPTUNNEL_H
 
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index d7f63339ef0b..65a70a7c51c1 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MROUTE_H
 #define __LINUX_MROUTE_H
 
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index ce44e3e96d27..3014c52bfd86 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MROUTE6_H
 #define __LINUX_MROUTE6_H
 
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index e1b163f912fb..b7a5d4c72f56 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MSDOS_FS_H
 #define _LINUX_MSDOS_FS_H
 
diff --git a/include/linux/msg.h b/include/linux/msg.h
index 81263fe3f9dc..0a7eefeee0d1 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MSG_H
 #define _LINUX_MSG_H
 
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 80e3b562bef6..cdd069cf9ed8 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_MSI_H
 #define LINUX_MSI_H
 
diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h
index 8255118be0f0..fdfff87066a9 100644
--- a/include/linux/mtd/inftl.h
+++ b/include/linux/mtd/inftl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	inftl.h -- defines to support the Inverse NAND Flash Translation Layer
  *
diff --git a/include/linux/mtd/mtdram.h b/include/linux/mtd/mtdram.h
index 628a6a21ddf0..ee8f95643f9b 100644
--- a/include/linux/mtd/mtdram.h
+++ b/include/linux/mtd/mtdram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MTD_MTDRAM_H__
 #define __MTD_MTDRAM_H__
 
diff --git a/include/linux/mtd/nand-gpio.h b/include/linux/mtd/nand-gpio.h
index be4f45d89be2..fdef72d6e198 100644
--- a/include/linux/mtd/nand-gpio.h
+++ b/include/linux/mtd/nand-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MTD_NAND_GPIO_H
 #define __LINUX_MTD_NAND_GPIO_H
 
diff --git a/include/linux/mtd/pfow.h b/include/linux/mtd/pfow.h
index 42ff7ff09bf5..122f3439e1af 100644
--- a/include/linux/mtd/pfow.h
+++ b/include/linux/mtd/pfow.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Primary function overlay window definitions
  * and service functions used by LPDDR chips
  */
diff --git a/include/linux/mtd/qinfo.h b/include/linux/mtd/qinfo.h
index b532ce524dae..df5b9fddea16 100644
--- a/include/linux/mtd/qinfo.h
+++ b/include/linux/mtd/qinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MTD_QINFO_H
 #define __LINUX_MTD_QINFO_H
 
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index ffcba1f337da..153274f78402 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Mutexes: blocking mutual exclusion locks
  *
diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h
index 61a0da38d0cb..3682ae75c7aa 100644
--- a/include/linux/mv643xx_eth.h
+++ b/include/linux/mv643xx_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MV-643XX ethernet platform device data definition file.
  */
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 8b4794e83196..a982bb7cd480 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NAMEI_H
 #define _LINUX_NAMEI_H
 
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index f84bca1703cd..b24e9b101651 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NETFILTER_H
 #define __LINUX_NETFILTER_H
 
diff --git a/include/linux/netfilter/ipset/ip_set_bitmap.h b/include/linux/netfilter/ipset/ip_set_bitmap.h
index 366d6c0ea04f..2dddbc6dcac7 100644
--- a/include/linux/netfilter/ipset/ip_set_bitmap.h
+++ b/include/linux/netfilter/ipset/ip_set_bitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IP_SET_BITMAP_H
 #define __IP_SET_BITMAP_H
 
diff --git a/include/linux/netfilter/ipset/ip_set_getport.h b/include/linux/netfilter/ipset/ip_set_getport.h
index 90d09300e954..ac6a11d38a19 100644
--- a/include/linux/netfilter/ipset/ip_set_getport.h
+++ b/include/linux/netfilter/ipset/ip_set_getport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IP_SET_GETPORT_H
 #define _IP_SET_GETPORT_H
 
diff --git a/include/linux/netfilter/ipset/ip_set_hash.h b/include/linux/netfilter/ipset/ip_set_hash.h
index f98ddfb094cb..838abab672af 100644
--- a/include/linux/netfilter/ipset/ip_set_hash.h
+++ b/include/linux/netfilter/ipset/ip_set_hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IP_SET_HASH_H
 #define __IP_SET_HASH_H
 
diff --git a/include/linux/netfilter/ipset/ip_set_list.h b/include/linux/netfilter/ipset/ip_set_list.h
index fe2622a00151..a61fe2a7e655 100644
--- a/include/linux/netfilter/ipset/ip_set_list.h
+++ b/include/linux/netfilter/ipset/ip_set_list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IP_SET_LIST_H
 #define __IP_SET_LIST_H
 
diff --git a/include/linux/netfilter/ipset/pfxlen.h b/include/linux/netfilter/ipset/pfxlen.h
index 1afbb94b4b65..f59094e6158b 100644
--- a/include/linux/netfilter/ipset/pfxlen.h
+++ b/include/linux/netfilter/ipset/pfxlen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PFXLEN_H
 #define _PFXLEN_H
 
diff --git a/include/linux/netfilter/nf_conntrack_amanda.h b/include/linux/netfilter/nf_conntrack_amanda.h
index 4b59a1584959..34345e543ba2 100644
--- a/include/linux/netfilter/nf_conntrack_amanda.h
+++ b/include/linux/netfilter/nf_conntrack_amanda.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_AMANDA_H
 #define _NF_CONNTRACK_AMANDA_H
 /* AMANDA tracking. */
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index 1d1ef4e20512..03097fa70975 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_COMMON_H
 #define _NF_CONNTRACK_COMMON_H
 
diff --git a/include/linux/netfilter/nf_conntrack_dccp.h b/include/linux/netfilter/nf_conntrack_dccp.h
index ff721d7325cf..ace0f952d50f 100644
--- a/include/linux/netfilter/nf_conntrack_dccp.h
+++ b/include/linux/netfilter/nf_conntrack_dccp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_DCCP_H
 #define _NF_CONNTRACK_DCCP_H
 
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h
index 5f818b01e035..73a296dfd019 100644
--- a/include/linux/netfilter/nf_conntrack_ftp.h
+++ b/include/linux/netfilter/nf_conntrack_ftp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_FTP_H
 #define _NF_CONNTRACK_FTP_H
 
diff --git a/include/linux/netfilter/nf_conntrack_h323.h b/include/linux/netfilter/nf_conntrack_h323.h
index 858d9b214053..f76ed373a2a5 100644
--- a/include/linux/netfilter/nf_conntrack_h323.h
+++ b/include/linux/netfilter/nf_conntrack_h323.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_H323_H
 #define _NF_CONNTRACK_H323_H
 
diff --git a/include/linux/netfilter/nf_conntrack_irc.h b/include/linux/netfilter/nf_conntrack_irc.h
index 4bb9bae67176..00c2b74206e1 100644
--- a/include/linux/netfilter/nf_conntrack_irc.h
+++ b/include/linux/netfilter/nf_conntrack_irc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_IRC_H
 #define _NF_CONNTRACK_IRC_H
 
diff --git a/include/linux/netfilter/nf_conntrack_pptp.h b/include/linux/netfilter/nf_conntrack_pptp.h
index 2ab2830316b7..833a5b2255ea 100644
--- a/include/linux/netfilter/nf_conntrack_pptp.h
+++ b/include/linux/netfilter/nf_conntrack_pptp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* PPTP constants and structs */
 #ifndef _NF_CONNTRACK_PPTP_H
 #define _NF_CONNTRACK_PPTP_H
diff --git a/include/linux/netfilter/nf_conntrack_proto_gre.h b/include/linux/netfilter/nf_conntrack_proto_gre.h
index dee0acd0dd31..b8d95564bd53 100644
--- a/include/linux/netfilter/nf_conntrack_proto_gre.h
+++ b/include/linux/netfilter/nf_conntrack_proto_gre.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CONNTRACK_PROTO_GRE_H
 #define _CONNTRACK_PROTO_GRE_H
 #include <asm/byteorder.h>
diff --git a/include/linux/netfilter/nf_conntrack_sane.h b/include/linux/netfilter/nf_conntrack_sane.h
index 4767d6e23e97..7d2de44edce3 100644
--- a/include/linux/netfilter/nf_conntrack_sane.h
+++ b/include/linux/netfilter/nf_conntrack_sane.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_SANE_H
 #define _NF_CONNTRACK_SANE_H
 /* SANE tracking. */
diff --git a/include/linux/netfilter/nf_conntrack_sctp.h b/include/linux/netfilter/nf_conntrack_sctp.h
index 22a16a23cd8a..9a33f171aa82 100644
--- a/include/linux/netfilter/nf_conntrack_sctp.h
+++ b/include/linux/netfilter/nf_conntrack_sctp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_SCTP_H
 #define _NF_CONNTRACK_SCTP_H
 /* SCTP tracking. */
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index d5af3c27fb7d..c7fc38807a33 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NF_CONNTRACK_SIP_H__
 #define __NF_CONNTRACK_SIP_H__
 #ifdef __KERNEL__
diff --git a/include/linux/netfilter/nf_conntrack_snmp.h b/include/linux/netfilter/nf_conntrack_snmp.h
index 064bc63a5346..818088c47475 100644
--- a/include/linux/netfilter/nf_conntrack_snmp.h
+++ b/include/linux/netfilter/nf_conntrack_snmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_SNMP_H
 #define _NF_CONNTRACK_SNMP_H
 
diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h
index 22db9614b584..f9e3a663037b 100644
--- a/include/linux/netfilter/nf_conntrack_tcp.h
+++ b/include/linux/netfilter/nf_conntrack_tcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_TCP_H
 #define _NF_CONNTRACK_TCP_H
 
diff --git a/include/linux/netfilter/nf_conntrack_tftp.h b/include/linux/netfilter/nf_conntrack_tftp.h
index c78d38fdb050..5769e12dd0a2 100644
--- a/include/linux/netfilter/nf_conntrack_tftp.h
+++ b/include/linux/netfilter/nf_conntrack_tftp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_TFTP_H
 #define _NF_CONNTRACK_TFTP_H
 
diff --git a/include/linux/netfilter/nf_conntrack_zones_common.h b/include/linux/netfilter/nf_conntrack_zones_common.h
index 5d7cf36d4766..8f3905e12a64 100644
--- a/include/linux/netfilter/nf_conntrack_zones_common.h
+++ b/include/linux/netfilter/nf_conntrack_zones_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_ZONES_COMMON_H
 #define _NF_CONNTRACK_ZONES_COMMON_H
 
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 41d04e9d088a..414a5e769fde 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFNETLINK_H
 #define _NFNETLINK_H
 
diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h
index 664da0048625..b4d741195c28 100644
--- a/include/linux/netfilter/nfnetlink_acct.h
+++ b/include/linux/netfilter/nfnetlink_acct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFNL_ACCT_H_
 #define _NFNL_ACCT_H_
 
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index b3044c2c62cb..33f7530f96b9 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _X_TABLES_H
 #define _X_TABLES_H
 
diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h
index 0fc458bde80b..169d03983589 100644
--- a/include/linux/netfilter/xt_hashlimit.h
+++ b/include/linux/netfilter/xt_hashlimit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XT_HASHLIMIT_H
 #define _XT_HASHLIMIT_H
 
diff --git a/include/linux/netfilter/xt_physdev.h b/include/linux/netfilter/xt_physdev.h
index 5b5e41716d69..4ca0593949cd 100644
--- a/include/linux/netfilter/xt_physdev.h
+++ b/include/linux/netfilter/xt_physdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XT_PHYSDEV_H
 #define _XT_PHYSDEV_H
 
diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index 029b95e8924e..e98028f00e47 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * 	Format of an ARP firewall descriptor
  *
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index 2ed40c402b5e..b671fdfd212b 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BRIDGE_NETFILTER_H
 #define __LINUX_BRIDGE_NETFILTER_H
 
diff --git a/include/linux/netfilter_bridge/ebt_802_3.h b/include/linux/netfilter_bridge/ebt_802_3.h
index e17e8bfb4e8b..c6147f9c0d80 100644
--- a/include/linux/netfilter_bridge/ebt_802_3.h
+++ b/include/linux/netfilter_bridge/ebt_802_3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BRIDGE_EBT_802_3_H
 #define __LINUX_BRIDGE_EBT_802_3_H
 
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 528b24c78308..0773b5a032f1 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  ebtables
  *
diff --git a/include/linux/netfilter_defs.h b/include/linux/netfilter_defs.h
index d3a7f8597e82..dc6111adea06 100644
--- a/include/linux/netfilter_defs.h
+++ b/include/linux/netfilter_defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NETFILTER_CORE_H_
 #define __LINUX_NETFILTER_CORE_H_
 
diff --git a/include/linux/netfilter_ingress.h b/include/linux/netfilter_ingress.h
index 8d5dae1e2ff8..554c920691dd 100644
--- a/include/linux/netfilter_ingress.h
+++ b/include/linux/netfilter_ingress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NETFILTER_INGRESS_H_
 #define _NETFILTER_INGRESS_H_
 
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 7bfc5893ec31..d026e63a5aa4 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * 25-Jul-1998 Major changes to allow for ip chain table
  *
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index b21c392d6012..99cbfd3add40 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * 25-Jul-1998 Major changes to allow for ip chain table
  *
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 8664fd26eb5d..6ddb4a5da371 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NETLINK_H
 #define __LINUX_NETLINK_H
 
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 27c0aaa22cb0..67662d01130a 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common code for low-level network console, dump, and debugger code
  *
diff --git a/include/linux/nfs.h b/include/linux/nfs.h
index 610af5155ef2..0dc7ad38a0da 100644
--- a/include/linux/nfs.h
+++ b/include/linux/nfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NFS protocol definitions
  *
diff --git a/include/linux/nfs3.h b/include/linux/nfs3.h
index a778ad8e3afd..404b8f724fc9 100644
--- a/include/linux/nfs3.h
+++ b/include/linux/nfs3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NFSv3 protocol definitions
  */
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 47239c336688..47adac640191 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/nfs4.h
  *
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index a0282ceaa48b..f0015f801a78 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/nfs_fs.h
  *
diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h
index a5c50d97341e..98f9268fcfc2 100644
--- a/include/linux/nfs_fs_i.h
+++ b/include/linux/nfs_fs_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFS_FS_I
 #define _NFS_FS_I
 
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 74c44665e6d3..286b71c418b4 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFS_FS_SB
 #define _NFS_FS_SB
 
diff --git a/include/linux/nfs_iostat.h b/include/linux/nfs_iostat.h
index 9dcbbe9a51fb..027874c36c88 100644
--- a/include/linux/nfs_iostat.h
+++ b/include/linux/nfs_iostat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  User-space visible declarations for NFS client per-mount
  *  point statistics
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index d117120c9b6e..e27572d30d97 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/nfs_page.h
  *
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 164d5359d4ab..6959968dc36a 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NFS_XDR_H
 #define _LINUX_NFS_XDR_H
 
diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h
index 5e69e67b31ab..103d44695323 100644
--- a/include/linux/nfsacl.h
+++ b/include/linux/nfsacl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File: linux/nfsacl.h
  *
diff --git a/include/linux/nls.h b/include/linux/nls.h
index 520681b68208..499e486b3722 100644
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NLS_H
 #define _LINUX_NLS_H
 
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 27e249ed7c5c..b8d868d23e79 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/nmi.h
  */
diff --git a/include/linux/node.h b/include/linux/node.h
index d1751beb462c..4ece0fee0ffc 100644
--- a/include/linux/node.h
+++ b/include/linux/node.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/node.h - generic node definition
  *
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index cf0b91c3ec12..de1c50b93c61 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NODEMASK_H
 #define __LINUX_NODEMASK_H
 
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 4149868de4e6..6d731110e0db 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Routines to manage notifier chains for passing status changes to any
  *	interested routines. We need this instead of hard coded call lists so
diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 85a5c8c16be9..5fbc4000358f 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NS_COMMON_H
 #define _LINUX_NS_COMMON_H
 
diff --git a/include/linux/nsc_gpio.h b/include/linux/nsc_gpio.h
index 7da0cf3702ee..d7a04a6e3783 100644
--- a/include/linux/nsc_gpio.h
+++ b/include/linux/nsc_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
    nsc_gpio.c
 
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index ac0d65bef5d0..2ae1b1a4d84d 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NSPROXY_H
 #define _LINUX_NSPROXY_H
 
diff --git a/include/linux/nubus.h b/include/linux/nubus.h
index 6165b2c62040..11ce6b1117a8 100644
--- a/include/linux/nubus.h
+++ b/include/linux/nubus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   nubus.h: various definitions and prototypes for NuBus drivers to use.
 
diff --git a/include/linux/numa.h b/include/linux/numa.h
index 3aaa31603a86..110b0e5d0fb0 100644
--- a/include/linux/numa.h
+++ b/include/linux/numa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NUMA_H
 #define _LINUX_NUMA_H
 
diff --git a/include/linux/nvram.h b/include/linux/nvram.h
index cf0ff555a6ac..28bfb9ab94ca 100644
--- a/include/linux/nvram.h
+++ b/include/linux/nvram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NVRAM_H
 #define _LINUX_NVRAM_H
 
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 37864734ca50..b8ac44c9748e 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OF_ADDRESS_H
 #define __OF_ADDRESS_H
 #include <linux/ioport.h>
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 611502524425..8da5a1b31ece 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_OF_DEVICE_H
 #define _LINUX_OF_DEVICE_H
 
diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h
index 13394ac83c66..cddfaff4d0b7 100644
--- a/include/linux/of_iommu.h
+++ b/include/linux/of_iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OF_IOMMU_H
 #define __OF_IOMMU_H
 
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 1e0deb8e8494..1214cabb2247 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OF_IRQ_H
 #define __OF_IRQ_H
 
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index 518c8d20647a..bf588a05d0d0 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OF_PCI_H
 #define __OF_PCI_H
 
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h
index f8e1992d6423..bb4fda7317be 100644
--- a/include/linux/of_reserved_mem.h
+++ b/include/linux/of_reserved_mem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OF_RESERVED_MEM_H
 #define __OF_RESERVED_MEM_H
 
diff --git a/include/linux/olpc-ec.h b/include/linux/olpc-ec.h
index 2925df3ce78a..79bdc6328c52 100644
--- a/include/linux/olpc-ec.h
+++ b/include/linux/olpc-ec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_OLPC_EC_H
 #define _LINUX_OLPC_EC_H
 
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 290081620b3e..840ce551e773 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_OMAP_DMA_H
 #define __LINUX_OMAP_DMA_H
 #include <linux/omap-dmaengine.h>
diff --git a/include/linux/once.h b/include/linux/once.h
index 9c98aaa87cbc..6790884d3c57 100644
--- a/include/linux/once.h
+++ b/include/linux/once.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ONCE_H
 #define _LINUX_ONCE_H
 
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 76aac4ce39bc..01c91d874a57 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INCLUDE_LINUX_OOM_H
 #define __INCLUDE_LINUX_OOM_H
 
diff --git a/include/linux/osq_lock.h b/include/linux/osq_lock.h
index 703ea5c30a33..5581dbd3bd34 100644
--- a/include/linux/osq_lock.h
+++ b/include/linux/osq_lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_OSQ_LOCK_H
 #define __LINUX_OSQ_LOCK_H
 
diff --git a/include/linux/oxu210hp.h b/include/linux/oxu210hp.h
index 0bf96eae5389..94cd25165c08 100644
--- a/include/linux/oxu210hp.h
+++ b/include/linux/oxu210hp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* platform data for the OXU210HP HCD */
 
 struct oxu210hp_platform_data {
diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h
index 77b078c103b2..7ec86bf31ce4 100644
--- a/include/linux/page-flags-layout.h
+++ b/include/linux/page-flags-layout.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PAGE_FLAGS_LAYOUT_H
 #define PAGE_FLAGS_LAYOUT_H
 
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index ba2d470d2d0a..584b14c774c1 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Macros for manipulating and testing page->flags
  */
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index d4cd2014fa6f..05a04e603686 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PAGEISOLATION_H
 #define __LINUX_PAGEISOLATION_H
 
diff --git a/include/linux/page_counter.h b/include/linux/page_counter.h
index 7e62920a3a94..c15ab80ad32d 100644
--- a/include/linux/page_counter.h
+++ b/include/linux/page_counter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PAGE_COUNTER_H
 #define _LINUX_PAGE_COUNTER_H
 
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index 9298c393ddaa..ca5461efae2f 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PAGE_EXT_H
 #define __LINUX_PAGE_EXT_H
 
diff --git a/include/linux/page_idle.h b/include/linux/page_idle.h
index fec40271339f..1e894d34bdce 100644
--- a/include/linux/page_idle.h
+++ b/include/linux/page_idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MM_PAGE_IDLE_H
 #define _LINUX_MM_PAGE_IDLE_H
 
diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
index 2be728d156b5..8679ccd722e8 100644
--- a/include/linux/page_owner.h
+++ b/include/linux/page_owner.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PAGE_OWNER_H
 #define __LINUX_PAGE_OWNER_H
 
diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h
index 1fd71733aa68..760d74a0e9a9 100644
--- a/include/linux/page_ref.h
+++ b/include/linux/page_ref.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PAGE_REF_H
 #define _LINUX_PAGE_REF_H
 
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 5bbd6780f205..e08b5339023c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PAGEMAP_H
 #define _LINUX_PAGEMAP_H
 
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 4dcd5506f1ed..2636c0c0f279 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/pagevec.h
  *
diff --git a/include/linux/parport_pc.h b/include/linux/parport_pc.h
index cc1767f5cca8..3d6fc576d6a1 100644
--- a/include/linux/parport_pc.h
+++ b/include/linux/parport_pc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PARPORT_PC_H
 #define __LINUX_PARPORT_PC_H
 
diff --git a/include/linux/parser.h b/include/linux/parser.h
index 884c1e6eb3fe..12fc3482f5fc 100644
--- a/include/linux/parser.h
+++ b/include/linux/parser.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/parser.h
  *
diff --git a/include/linux/patchkey.h b/include/linux/patchkey.h
index 97a919fc9927..f581defb2df0 100644
--- a/include/linux/patchkey.h
+++ b/include/linux/patchkey.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * <linux/patchkey.h> -- definition of _PATCHKEY macro
  *
diff --git a/include/linux/path.h b/include/linux/path.h
index cde895cc4af4..81e65a5be7ce 100644
--- a/include/linux/path.h
+++ b/include/linux/path.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PATH_H
 #define _LINUX_PATH_H
 
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index dd86c97f2454..8082b612f561 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File		pci-acpi.h
  *
diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h
index 207c561fb40e..3cc06b059017 100644
--- a/include/linux/pci-aspm.h
+++ b/include/linux/pci-aspm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	aspm.h
  *
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index 782fb8e0755f..7c4b8e27268c 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_PCI_ATS_H
 #define LINUX_PCI_ATS_H
 
diff --git a/include/linux/pci-dma-compat.h b/include/linux/pci-dma-compat.h
index 39726caef5b1..d1f9fdade1e0 100644
--- a/include/linux/pci-dma-compat.h
+++ b/include/linux/pci-dma-compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* include this file if the platform implements the dma_ DMA Mapping API
  * and wants to provide the pci_ DMA Mapping API in terms of it */
 
diff --git a/include/linux/pci-dma.h b/include/linux/pci-dma.h
index 549a041f9c08..0f7aa7353ca3 100644
--- a/include/linux/pci-dma.h
+++ b/include/linux/pci-dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PCI_DMA_H
 #define _LINUX_PCI_DMA_H
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f4f8ee5a7362..d16a7c037ec0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	pci.h
  *
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4adf6161ec77..ab20dc5db423 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	PCI Class, Vendor and Device IDs
  *
diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h
index e8f3f7479224..b69769dbf659 100644
--- a/include/linux/pcieport_if.h
+++ b/include/linux/pcieport_if.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File:	pcieport_if.h
  * Purpose:	PCI Express Port Bus Driver's IF Data Structure
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index c13dceb87b60..6658d9ee5257 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Percpu refcounts:
  * (C) 2012 Google, Inc.
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
index 93664f022ecf..b1f37a89e368 100644
--- a/include/linux/percpu-rwsem.h
+++ b/include/linux/percpu-rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PERCPU_RWSEM_H
 #define _LINUX_PERCPU_RWSEM_H
 
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 6a5fb939d3e5..296bbe49d5d1 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PERCPU_H
 #define __LINUX_PERCPU_H
 
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index ec065387f443..73a7bf30fe9a 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PERCPU_COUNTER_H
 #define _LINUX_PERCPU_COUNTER_H
 /*
diff --git a/include/linux/percpu_ida.h b/include/linux/percpu_ida.h
index f5cfdd6a5539..07d78e4653bc 100644
--- a/include/linux/percpu_ida.h
+++ b/include/linux/percpu_ida.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERCPU_IDA_H__
 #define __PERCPU_IDA_H__
 
diff --git a/include/linux/perf_regs.h b/include/linux/perf_regs.h
index 9b7dd59fe28d..476747456bca 100644
--- a/include/linux/perf_regs.h
+++ b/include/linux/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PERF_REGS_H
 #define _LINUX_PERF_REGS_H
 
diff --git a/include/linux/personality.h b/include/linux/personality.h
index aeb7892b2468..fc16fbc659c7 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PERSONALITY_H
 #define _LINUX_PERSONALITY_H
 
diff --git a/include/linux/pfn.h b/include/linux/pfn.h
index 1132953235c0..14bc053c53d8 100644
--- a/include/linux/pfn.h
+++ b/include/linux/pfn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PFN_H_
 #define _LINUX_PFN_H_
 
diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h
index a49b3259cad7..43b1d7648e82 100644
--- a/include/linux/pfn_t.h
+++ b/include/linux/pfn_t.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PFN_T_H_
 #define _LINUX_PFN_T_H_
 #include <linux/mm.h>
diff --git a/include/linux/phy/ulpi_phy.h b/include/linux/phy/ulpi_phy.h
index f2ebe490a4bc..7054b440347c 100644
--- a/include/linux/phy/ulpi_phy.h
+++ b/include/linux/phy/ulpi_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/phy/phy.h>
 
 /**
diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h
index 1d41ec44e39d..cf6392de6eb0 100644
--- a/include/linux/phy_fixed.h
+++ b/include/linux/phy_fixed.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PHY_FIXED_H
 #define __PHY_FIXED_H
 
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 719582744a2e..dfd684ce0787 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PID_H
 #define _LINUX_PID_H
 
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index b09136f88cf4..c78af6061644 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PID_NS_H
 #define _LINUX_PID_NS_H
 
diff --git a/include/linux/pim.h b/include/linux/pim.h
index 0e81b2778ae0..290d4d2ed9b9 100644
--- a/include/linux/pim.h
+++ b/include/linux/pim.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PIM_H
 #define __LINUX_PIM_H
 
diff --git a/include/linux/pinctrl/pinctrl-state.h b/include/linux/pinctrl/pinctrl-state.h
index 23073519339f..a0e785815a64 100644
--- a/include/linux/pinctrl/pinctrl-state.h
+++ b/include/linux/pinctrl/pinctrl-state.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Standard pin control state definitions
  */
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index e7497c9dde7f..6a80cfc63e0c 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PIPE_FS_I_H
 #define _LINUX_PIPE_FS_I_H
 
diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
index a1bacf1150b2..0794ca78c379 100644
--- a/include/linux/pkeys.h
+++ b/include/linux/pkeys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PKEYS_H
 #define _LINUX_PKEYS_H
 
diff --git a/include/linux/platform_data/ad7291.h b/include/linux/platform_data/ad7291.h
index bbd89fa51188..b1fd1530c9a5 100644
--- a/include/linux/platform_data/ad7291.h
+++ b/include/linux/platform_data/ad7291.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IIO_AD7291_H__
 #define __IIO_AD7291_H__
 
diff --git a/include/linux/platform_data/ad7791.h b/include/linux/platform_data/ad7791.h
index f9e4db1b82ae..cc7533049b5b 100644
--- a/include/linux/platform_data/ad7791.h
+++ b/include/linux/platform_data/ad7791.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PLATFORM_DATA_AD7791__
 #define __LINUX_PLATFORM_DATA_AD7791__
 
diff --git a/include/linux/platform_data/ad7879.h b/include/linux/platform_data/ad7879.h
index 69e2e1fd2bc8..6655cc8453ac 100644
--- a/include/linux/platform_data/ad7879.h
+++ b/include/linux/platform_data/ad7879.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/platform_data/ad7879.h */
 
 /* Touchscreen characteristics vary between boards and models.  The
diff --git a/include/linux/platform_data/asoc-imx-ssi.h b/include/linux/platform_data/asoc-imx-ssi.h
index 92c7fd72f636..902851aeb0b4 100644
--- a/include/linux/platform_data/asoc-imx-ssi.h
+++ b/include/linux/platform_data/asoc-imx-ssi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_SSI_H
 #define __MACH_SSI_H
 
diff --git a/include/linux/platform_data/asoc-kirkwood.h b/include/linux/platform_data/asoc-kirkwood.h
index d6a55bd2e578..d442cefa3928 100644
--- a/include/linux/platform_data/asoc-kirkwood.h
+++ b/include/linux/platform_data/asoc-kirkwood.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PLAT_AUDIO_H
 #define __PLAT_AUDIO_H
 
diff --git a/include/linux/platform_data/asoc-mx27vis.h b/include/linux/platform_data/asoc-mx27vis.h
index 409adcd04d04..2107d0d992dd 100644
--- a/include/linux/platform_data/asoc-mx27vis.h
+++ b/include/linux/platform_data/asoc-mx27vis.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PLATFORM_DATA_ASOC_MX27VIS_H
 #define __PLATFORM_DATA_ASOC_MX27VIS_H
 
diff --git a/include/linux/platform_data/asoc-palm27x.h b/include/linux/platform_data/asoc-palm27x.h
index 58afb30d5298..22b69a393a57 100644
--- a/include/linux/platform_data/asoc-palm27x.h
+++ b/include/linux/platform_data/asoc-palm27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_PALMASOC_H_
 #define _INCLUDE_PALMASOC_H_
 
diff --git a/include/linux/platform_data/bcmgenet.h b/include/linux/platform_data/bcmgenet.h
index 26af54321958..d8f8738629d2 100644
--- a/include/linux/platform_data/bcmgenet.h
+++ b/include/linux/platform_data/bcmgenet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PLATFORM_DATA_BCMGENET_H__
 #define __LINUX_PLATFORM_DATA_BCMGENET_H__
 
diff --git a/include/linux/platform_data/crypto-atmel.h b/include/linux/platform_data/crypto-atmel.h
index b46e0d9062a0..0471aaf6999b 100644
--- a/include/linux/platform_data/crypto-atmel.h
+++ b/include/linux/platform_data/crypto-atmel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_CRYPTO_ATMEL_H
 #define __LINUX_CRYPTO_ATMEL_H
 
diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h
index e82c642fa53c..f8f1f6b952a6 100644
--- a/include/linux/platform_data/dma-ep93xx.h
+++ b/include/linux/platform_data/dma-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_DMA_H
 #define __ASM_ARCH_DMA_H
 
diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h
index 2d08816720f6..6eaa53cef0bd 100644
--- a/include/linux/platform_data/dma-imx-sdma.h
+++ b/include/linux/platform_data/dma-imx-sdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MACH_MXC_SDMA_H__
 #define __MACH_MXC_SDMA_H__
 
diff --git a/include/linux/platform_data/dma-mv_xor.h b/include/linux/platform_data/dma-mv_xor.h
index 92ffd3245f76..6867a7ea329b 100644
--- a/include/linux/platform_data/dma-mv_xor.h
+++ b/include/linux/platform_data/dma-mv_xor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Marvell XOR platform device data definition file.
  */
diff --git a/include/linux/platform_data/ds620.h b/include/linux/platform_data/ds620.h
index 736bb87ac0fc..6ef58bb77e46 100644
--- a/include/linux/platform_data/ds620.h
+++ b/include/linux/platform_data/ds620.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DS620_H
 #define _LINUX_DS620_H
 
diff --git a/include/linux/platform_data/efm32-spi.h b/include/linux/platform_data/efm32-spi.h
index 31b19ca1d73a..a2c56fcd0534 100644
--- a/include/linux/platform_data/efm32-spi.h
+++ b/include/linux/platform_data/efm32-spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PLATFORM_DATA_EFM32_SPI_H__
 #define __LINUX_PLATFORM_DATA_EFM32_SPI_H__
 
diff --git a/include/linux/platform_data/efm32-uart.h b/include/linux/platform_data/efm32-uart.h
index ed0e975b3c54..ccbb8f11db75 100644
--- a/include/linux/platform_data/efm32-uart.h
+++ b/include/linux/platform_data/efm32-uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *
diff --git a/include/linux/platform_data/gpio-htc-egpio.h b/include/linux/platform_data/gpio-htc-egpio.h
index b4201c971367..b7baf1e42c55 100644
--- a/include/linux/platform_data/gpio-htc-egpio.h
+++ b/include/linux/platform_data/gpio-htc-egpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HTC simple EGPIO irq and gpio extender
  */
diff --git a/include/linux/platform_data/i2c-nuc900.h b/include/linux/platform_data/i2c-nuc900.h
index 9ffb12d06e91..23036273a97e 100644
--- a/include/linux/platform_data/i2c-nuc900.h
+++ b/include/linux/platform_data/i2c-nuc900.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_NUC900_I2C_H
 #define __ASM_ARCH_NUC900_I2C_H
 
diff --git a/include/linux/platform_data/irda-pxaficp.h b/include/linux/platform_data/irda-pxaficp.h
index 3cd41f77dda4..bd35ddcf3068 100644
--- a/include/linux/platform_data/irda-pxaficp.h
+++ b/include/linux/platform_data/irda-pxaficp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_ARCH_IRDA_H
 #define ASMARM_ARCH_IRDA_H
 
diff --git a/include/linux/platform_data/itco_wdt.h b/include/linux/platform_data/itco_wdt.h
index 0e95527edf25..2ccdce6a4e27 100644
--- a/include/linux/platform_data/itco_wdt.h
+++ b/include/linux/platform_data/itco_wdt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Platform data for the Intel TCO Watchdog
  */
diff --git a/include/linux/platform_data/keyboard-pxa930_rotary.h b/include/linux/platform_data/keyboard-pxa930_rotary.h
index 053587caffdd..3271aa01cbe8 100644
--- a/include/linux/platform_data/keyboard-pxa930_rotary.h
+++ b/include/linux/platform_data/keyboard-pxa930_rotary.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_PXA930_ROTARY_H
 #define __ASM_ARCH_PXA930_ROTARY_H
 
diff --git a/include/linux/platform_data/keypad-ep93xx.h b/include/linux/platform_data/keypad-ep93xx.h
index adccee25b162..0e36818e3680 100644
--- a/include/linux/platform_data/keypad-ep93xx.h
+++ b/include/linux/platform_data/keypad-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KEYPAD_EP93XX_H
 #define __KEYPAD_EP93XX_H
 
diff --git a/include/linux/platform_data/keypad-pxa27x.h b/include/linux/platform_data/keypad-pxa27x.h
index 24625569d16d..a376442b9935 100644
--- a/include/linux/platform_data/keypad-pxa27x.h
+++ b/include/linux/platform_data/keypad-pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_PXA27x_KEYPAD_H
 #define __ASM_ARCH_PXA27x_KEYPAD_H
 
diff --git a/include/linux/platform_data/keypad-w90p910.h b/include/linux/platform_data/keypad-w90p910.h
index 556778e8ddaa..206ca4ecd93f 100644
--- a/include/linux/platform_data/keypad-w90p910.h
+++ b/include/linux/platform_data/keypad-w90p910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_W90P910_KEYPAD_H
 #define __ASM_ARCH_W90P910_KEYPAD_H
 
diff --git a/include/linux/platform_data/lcd-mipid.h b/include/linux/platform_data/lcd-mipid.h
index 8e52c6572281..63f05eb23827 100644
--- a/include/linux/platform_data/lcd-mipid.h
+++ b/include/linux/platform_data/lcd-mipid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LCD_MIPID_H
 #define __LCD_MIPID_H
 
diff --git a/include/linux/platform_data/max3421-hcd.h b/include/linux/platform_data/max3421-hcd.h
index 0303d1970084..5947a6f43d60 100644
--- a/include/linux/platform_data/max3421-hcd.h
+++ b/include/linux/platform_data/max3421-hcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2014 eGauge Systems LLC
  *	Contributed by David Mosberger-Tang <davidm@egauge.net>
diff --git a/include/linux/platform_data/max6639.h b/include/linux/platform_data/max6639.h
index 6011c42034da..65bfdb4fdc15 100644
--- a/include/linux/platform_data/max6639.h
+++ b/include/linux/platform_data/max6639.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_MAX6639_H
 #define _LINUX_MAX6639_H
 
diff --git a/include/linux/platform_data/max732x.h b/include/linux/platform_data/max732x.h
index c04bac8bf2fe..f231c635faec 100644
--- a/include/linux/platform_data/max732x.h
+++ b/include/linux/platform_data/max732x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_I2C_MAX732X_H
 #define __LINUX_I2C_MAX732X_H
 
diff --git a/include/linux/platform_data/media/ir-rx51.h b/include/linux/platform_data/media/ir-rx51.h
index 2c94ab568bfa..9d127aa648e7 100644
--- a/include/linux/platform_data/media/ir-rx51.h
+++ b/include/linux/platform_data/media/ir-rx51.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IR_RX51_H
 #define _IR_RX51_H
 
diff --git a/include/linux/platform_data/media/mmp-camera.h b/include/linux/platform_data/media/mmp-camera.h
index 7611963a257f..83804028115c 100644
--- a/include/linux/platform_data/media/mmp-camera.h
+++ b/include/linux/platform_data/media/mmp-camera.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Information for the Marvell Armada MMP camera
  */
diff --git a/include/linux/platform_data/media/omap4iss.h b/include/linux/platform_data/media/omap4iss.h
index 0d7620db5e32..2a511a8fcda7 100644
--- a/include/linux/platform_data/media/omap4iss.h
+++ b/include/linux/platform_data/media/omap4iss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
 #define ARCH_ARM_PLAT_OMAP4_ISS_H
 
diff --git a/include/linux/platform_data/mmc-davinci.h b/include/linux/platform_data/mmc-davinci.h
index 9cea4ee377b5..87a8bed3b6cb 100644
--- a/include/linux/platform_data/mmc-davinci.h
+++ b/include/linux/platform_data/mmc-davinci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Board-specific MMC configuration
  */
diff --git a/include/linux/platform_data/mmc-mxcmmc.h b/include/linux/platform_data/mmc-mxcmmc.h
index b0fdaa9bd185..ac677351316a 100644
--- a/include/linux/platform_data/mmc-mxcmmc.h
+++ b/include/linux/platform_data/mmc-mxcmmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_ARCH_MMC_H
 #define ASMARM_ARCH_MMC_H
 
diff --git a/include/linux/platform_data/mmc-pxamci.h b/include/linux/platform_data/mmc-pxamci.h
index 1706b3597ce0..752f97c62ef2 100644
--- a/include/linux/platform_data/mmc-pxamci.h
+++ b/include/linux/platform_data/mmc-pxamci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_ARCH_MMC_H
 #define ASMARM_ARCH_MMC_H
 
diff --git a/include/linux/platform_data/mmc-s3cmci.h b/include/linux/platform_data/mmc-s3cmci.h
index c42d31711944..b68d9f0bdd9e 100644
--- a/include/linux/platform_data/mmc-s3cmci.h
+++ b/include/linux/platform_data/mmc-s3cmci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_MCI_H
 #define _ARCH_MCI_H
 
diff --git a/include/linux/platform_data/mmc-sdhci-s3c.h b/include/linux/platform_data/mmc-sdhci-s3c.h
index 249f02387a35..74a54eeb27b1 100644
--- a/include/linux/platform_data/mmc-sdhci-s3c.h
+++ b/include/linux/platform_data/mmc-sdhci-s3c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PLATFORM_DATA_SDHCI_S3C_H
 #define __PLATFORM_DATA_SDHCI_S3C_H
 
diff --git a/include/linux/platform_data/mouse-pxa930_trkball.h b/include/linux/platform_data/mouse-pxa930_trkball.h
index 5e0789bc4729..ba0ac7a30d8c 100644
--- a/include/linux/platform_data/mouse-pxa930_trkball.h
+++ b/include/linux/platform_data/mouse-pxa930_trkball.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_PXA930_TRKBALL_H
 #define __ASM_ARCH_PXA930_TRKBALL_H
 
diff --git a/include/linux/platform_data/mtd-nand-pxa3xx.h b/include/linux/platform_data/mtd-nand-pxa3xx.h
index 394d15597dc7..b42ad83cbc20 100644
--- a/include/linux/platform_data/mtd-nand-pxa3xx.h
+++ b/include/linux/platform_data/mtd-nand-pxa3xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_ARCH_PXA3XX_NAND_H
 #define __ASM_ARCH_PXA3XX_NAND_H
 
diff --git a/include/linux/platform_data/omap1_bl.h b/include/linux/platform_data/omap1_bl.h
index 881a8e92d605..5e8b17d77a5f 100644
--- a/include/linux/platform_data/omap1_bl.h
+++ b/include/linux/platform_data/omap1_bl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OMAP1_BL_H__
 #define __OMAP1_BL_H__
 
diff --git a/include/linux/platform_data/pca953x.h b/include/linux/platform_data/pca953x.h
index 3c98dd4f901f..4eb53e023997 100644
--- a/include/linux/platform_data/pca953x.h
+++ b/include/linux/platform_data/pca953x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PCA953X_H
 #define _LINUX_PCA953X_H
 
diff --git a/include/linux/platform_data/pcf857x.h b/include/linux/platform_data/pcf857x.h
index 0767a2a6b2f1..11d4ed78c7f4 100644
--- a/include/linux/platform_data/pcf857x.h
+++ b/include/linux/platform_data/pcf857x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PCF857X_H
 #define __LINUX_PCF857X_H
 
diff --git a/include/linux/platform_data/pcmcia-pxa2xx_viper.h b/include/linux/platform_data/pcmcia-pxa2xx_viper.h
index d428be4db44c..a23b58aff9e1 100644
--- a/include/linux/platform_data/pcmcia-pxa2xx_viper.h
+++ b/include/linux/platform_data/pcmcia-pxa2xx_viper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCOM_PCMCIA_H
 #define __ARCOM_PCMCIA_H
 
diff --git a/include/linux/platform_data/pinctrl-single.h b/include/linux/platform_data/pinctrl-single.h
index 72eacda9b360..1cf36fdf9510 100644
--- a/include/linux/platform_data/pinctrl-single.h
+++ b/include/linux/platform_data/pinctrl-single.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * irq:		optional wake-up interrupt
  * rearm:	optional soc specific rearm function
diff --git a/include/linux/platform_data/pixcir_i2c_ts.h b/include/linux/platform_data/pixcir_i2c_ts.h
index 646af6f8b838..4ab3cd6f1cc2 100644
--- a/include/linux/platform_data/pixcir_i2c_ts.h
+++ b/include/linux/platform_data/pixcir_i2c_ts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	_PIXCIR_I2C_TS_H
 #define	_PIXCIR_I2C_TS_H
 
diff --git a/include/linux/platform_data/pxa2xx_udc.h b/include/linux/platform_data/pxa2xx_udc.h
index c6c5e98b5b82..ff9c35dca59d 100644
--- a/include/linux/platform_data/pxa2xx_udc.h
+++ b/include/linux/platform_data/pxa2xx_udc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This supports machine-specific differences in how the PXA2xx
  * USB Device Controller (UDC) is wired.
diff --git a/include/linux/platform_data/sa11x0-serial.h b/include/linux/platform_data/sa11x0-serial.h
index 009e1d83fe39..8b79ab08af45 100644
--- a/include/linux/platform_data/sa11x0-serial.h
+++ b/include/linux/platform_data/sa11x0-serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Author: Nicolas Pitre
  *
diff --git a/include/linux/platform_data/si5351.h b/include/linux/platform_data/si5351.h
index 533d9807e543..818c5c6e203f 100644
--- a/include/linux/platform_data/si5351.h
+++ b/include/linux/platform_data/si5351.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Si5351A/B/C programmable clock generator platform_data.
  */
diff --git a/include/linux/platform_data/spi-ep93xx.h b/include/linux/platform_data/spi-ep93xx.h
index 171a271c2cbd..eb16c6739ac2 100644
--- a/include/linux/platform_data/spi-ep93xx.h
+++ b/include/linux/platform_data/spi-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_EP93XX_SPI_H
 #define __ASM_MACH_EP93XX_SPI_H
 
diff --git a/include/linux/platform_data/spi-imx.h b/include/linux/platform_data/spi-imx.h
index 08be445e8eb8..6f012fefa1a2 100644
--- a/include/linux/platform_data/spi-imx.h
+++ b/include/linux/platform_data/spi-imx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __MACH_SPI_H_
 #define __MACH_SPI_H_
diff --git a/include/linux/platform_data/spi-omap2-mcspi.h b/include/linux/platform_data/spi-omap2-mcspi.h
index c100456eab17..13c83a25958a 100644
--- a/include/linux/platform_data/spi-omap2-mcspi.h
+++ b/include/linux/platform_data/spi-omap2-mcspi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _OMAP2_MCSPI_H
 #define _OMAP2_MCSPI_H
 
diff --git a/include/linux/platform_data/st1232_pdata.h b/include/linux/platform_data/st1232_pdata.h
index cac3e7b4c454..1dcd23bee24e 100644
--- a/include/linux/platform_data/st1232_pdata.h
+++ b/include/linux/platform_data/st1232_pdata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_ST1232_PDATA_H
 #define _LINUX_ST1232_PDATA_H
 
diff --git a/include/linux/platform_data/syscon.h b/include/linux/platform_data/syscon.h
index 2354c6fa3726..2c089dd3e2bd 100644
--- a/include/linux/platform_data/syscon.h
+++ b/include/linux/platform_data/syscon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PLATFORM_DATA_SYSCON_H
 #define PLATFORM_DATA_SYSCON_H
 
diff --git a/include/linux/platform_data/tsc2007.h b/include/linux/platform_data/tsc2007.h
index c2d3aa1dadd4..a0ca52c41ccb 100644
--- a/include/linux/platform_data/tsc2007.h
+++ b/include/linux/platform_data/tsc2007.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_I2C_TSC2007_H
 #define __LINUX_I2C_TSC2007_H
 
diff --git a/include/linux/platform_data/tsl2563.h b/include/linux/platform_data/tsl2563.h
index c90d7a09dda7..9cf9309c3f24 100644
--- a/include/linux/platform_data/tsl2563.h
+++ b/include/linux/platform_data/tsl2563.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_TSL2563_H
 #define __LINUX_TSL2563_H
 
diff --git a/include/linux/platform_data/usb-ehci-mxc.h b/include/linux/platform_data/usb-ehci-mxc.h
index 157e71f79f99..ad9794d09bc8 100644
--- a/include/linux/platform_data/usb-ehci-mxc.h
+++ b/include/linux/platform_data/usb-ehci-mxc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __INCLUDE_ASM_ARCH_MXC_EHCI_H
 #define __INCLUDE_ASM_ARCH_MXC_EHCI_H
 
diff --git a/include/linux/platform_data/usb-ohci-pxa27x.h b/include/linux/platform_data/usb-ohci-pxa27x.h
index 95b6e2a6e514..69adea7694f3 100644
--- a/include/linux/platform_data/usb-ohci-pxa27x.h
+++ b/include/linux/platform_data/usb-ohci-pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASMARM_ARCH_OHCI_H
 #define ASMARM_ARCH_OHCI_H
 
diff --git a/include/linux/platform_data/usb3503.h b/include/linux/platform_data/usb3503.h
index 1d1b6ef871f6..e049d51c1353 100644
--- a/include/linux/platform_data/usb3503.h
+++ b/include/linux/platform_data/usb3503.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USB3503_H__
 #define __USB3503_H__
 
diff --git a/include/linux/platform_data/video-clcd-versatile.h b/include/linux/platform_data/video-clcd-versatile.h
index 09ccf182af4d..305ebaec3afd 100644
--- a/include/linux/platform_data/video-clcd-versatile.h
+++ b/include/linux/platform_data/video-clcd-versatile.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PLAT_CLCD_H
 #define PLAT_CLCD_H
 
diff --git a/include/linux/platform_data/video-ep93xx.h b/include/linux/platform_data/video-ep93xx.h
index 699ac4109366..a6f3ccdec1cb 100644
--- a/include/linux/platform_data/video-ep93xx.h
+++ b/include/linux/platform_data/video-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __VIDEO_EP93XX_H
 #define __VIDEO_EP93XX_H
 
diff --git a/include/linux/platform_data/video-imxfb.h b/include/linux/platform_data/video-imxfb.h
index cf9348b376ac..02812651af7d 100644
--- a/include/linux/platform_data/video-imxfb.h
+++ b/include/linux/platform_data/video-imxfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This structure describes the machine which we are running on.
  */
diff --git a/include/linux/platform_data/video_s3c.h b/include/linux/platform_data/video_s3c.h
index 48883995f47f..dd7747ba3269 100644
--- a/include/linux/platform_data/video_s3c.h
+++ b/include/linux/platform_data/video_s3c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PLATFORM_DATA_VIDEO_S3C
 #define __PLATFORM_DATA_VIDEO_S3C
 
diff --git a/include/linux/pm-trace.h b/include/linux/pm-trace.h
index 7b78793f07d7..b8604f8847d9 100644
--- a/include/linux/pm-trace.h
+++ b/include/linux/pm-trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PM_TRACE_H
 #define PM_TRACE_H
 
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 032b55909145..2a3acf4dba9a 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PM_QOS_H
 #define _LINUX_PM_QOS_H
 /* interface for the pm_qos_power infrastructure of the linux kernel.
diff --git a/include/linux/pmu.h b/include/linux/pmu.h
index 99b400b8a241..9ac8fc60ad49 100644
--- a/include/linux/pmu.h
+++ b/include/linux/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for talking to the PMU.  The PMU is a microcontroller
  * which controls battery charging and system power on PowerBook 3400
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 2588ca6a9028..3b12fd28af78 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux Plug and Play Support
  * Copyright by Adam Belay <ambx1@neo.rr.com>
diff --git a/include/linux/poison.h b/include/linux/poison.h
index a39540326417..15927ebc22f2 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_POISON_H
 #define _LINUX_POISON_H
 
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 2889f09a1c60..d384f12abdd5 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_POLL_H
 #define _LINUX_POLL_H
 
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 62839fd04dce..672c4f32311e 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _linux_POSIX_TIMERS_H
 #define _linux_POSIX_TIMERS_H
 
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 5a9a739acdd5..b2b7255ec7f5 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: linux/posix_acl.h
 
diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h
index 8b867e3bf3aa..2387709991b5 100644
--- a/include/linux/posix_acl_xattr.h
+++ b/include/linux/posix_acl_xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: linux/posix_acl_xattr.h
 
diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h
index 43194e02c1ee..e6187f524f2c 100644
--- a/include/linux/power/bq27xxx_battery.h
+++ b/include/linux/power/bq27xxx_battery.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_BQ27X00_BATTERY_H__
 #define __LINUX_BQ27X00_BATTERY_H__
 
diff --git a/include/linux/pr.h b/include/linux/pr.h
index 65c01c10b335..94ceec713afe 100644
--- a/include/linux/pr.h
+++ b/include/linux/pr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_PR_H
 #define LINUX_PR_H
 
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index cae461224948..5bd3f151da78 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PREEMPT_H
 #define __LINUX_PREEMPT_H
 
diff --git a/include/linux/prefetch.h b/include/linux/prefetch.h
index a3bfbdf63d32..13eafebf3549 100644
--- a/include/linux/prefetch.h
+++ b/include/linux/prefetch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Generic cache management functions. Everything is arch-specific,  
  *  but this header exists to make sure the defines/functions can be
diff --git a/include/linux/prime_numbers.h b/include/linux/prime_numbers.h
index 14ec4f567342..2b8e99c948d3 100644
--- a/include/linux/prime_numbers.h
+++ b/include/linux/prime_numbers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PRIME_NUMBERS_H
 #define __LINUX_PRIME_NUMBERS_H
 
diff --git a/include/linux/printk.h b/include/linux/printk.h
index e10f27468322..335926039adc 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KERNEL_PRINTK__
 #define __KERNEL_PRINTK__
 
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 76124dd4e36d..928ef9e4d912 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The proc filesystem constants/structures
  */
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index 06844b54dfc1..2ff18c9840a7 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * procfs namespace bits
  */
diff --git a/include/linux/processor.h b/include/linux/processor.h
index da0c5e56ca02..dbc952eec869 100644
--- a/include/linux/processor.h
+++ b/include/linux/processor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Misc low level processor primitives */
 #ifndef _LINUX_PROCESSOR_H
 #define _LINUX_PROCESSOR_H
diff --git a/include/linux/profile.h b/include/linux/profile.h
index b537a25ffa17..bad18ca43150 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PROFILE_H
 #define _LINUX_PROFILE_H
 
diff --git a/include/linux/projid.h b/include/linux/projid.h
index 8c1f2c55226d..613730622a1a 100644
--- a/include/linux/projid.h
+++ b/include/linux/projid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PROJID_H
 #define _LINUX_PROJID_H
 
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 0e5fcc11b1b8..919b2a0b0307 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PTRACE_H
 #define _LINUX_PTRACE_H
 
diff --git a/include/linux/purgatory.h b/include/linux/purgatory.h
index d60d4e278609..b950e961cfa8 100644
--- a/include/linux/purgatory.h
+++ b/include/linux/purgatory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_PURGATORY_H
 #define _LINUX_PURGATORY_H
 
diff --git a/include/linux/pvclock_gtod.h b/include/linux/pvclock_gtod.h
index a71d2dbd3610..f63549581f3e 100644
--- a/include/linux/pvclock_gtod.h
+++ b/include/linux/pvclock_gtod.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PVCLOCK_GTOD_H
 #define _PVCLOCK_GTOD_H
 
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 08fad7c6a471..56518adc31dd 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PWM_H
 #define __LINUX_PWM_H
 
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index efdd9227a49c..e8afbd71a140 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
  */
diff --git a/include/linux/pxa168_eth.h b/include/linux/pxa168_eth.h
index e1ab6e86cdb3..fb09c2c7cb75 100644
--- a/include/linux/pxa168_eth.h
+++ b/include/linux/pxa168_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *pxa168 ethernet platform device data definition file.
  */
diff --git a/include/linux/qed/qed_fcoe_if.h b/include/linux/qed/qed_fcoe_if.h
index 1e015c50e6b8..46082480a2c3 100644
--- a/include/linux/qed/qed_fcoe_if.h
+++ b/include/linux/qed/qed_fcoe_if.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _QED_FCOE_IF_H
 #define _QED_FCOE_IF_H
 #include <linux/types.h>
diff --git a/include/linux/qnx6_fs.h b/include/linux/qnx6_fs.h
index 26049eab9010..13373d437cf2 100644
--- a/include/linux/qnx6_fs.h
+++ b/include/linux/qnx6_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Name                 : qnx6_fs.h
  *  Author               : Kai Bankett
diff --git a/include/linux/quicklist.h b/include/linux/quicklist.h
index 3bdfa70bc642..034982c98c8b 100644
--- a/include/linux/quicklist.h
+++ b/include/linux/quicklist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_QUICKLIST_H
 #define LINUX_QUICKLIST_H
 /*
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 0ce6fc49962e..2fb6fb11132e 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for diskquota-operations. When diskquota is configured these
  * macros expand to the right source-code.
diff --git a/include/linux/raid/xor.h b/include/linux/raid/xor.h
index 5a210959e3f8..2a9fee8ddae3 100644
--- a/include/linux/raid/xor.h
+++ b/include/linux/raid/xor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XOR_H
 #define _XOR_H
 
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index ecc730977a5a..5ef7d54caac2 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RAMFS_H
 #define _LINUX_RAMFS_H
 
diff --git a/include/linux/random.h b/include/linux/random.h
index eafea6a09361..4024f7d9c77d 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/random.h
  *
diff --git a/include/linux/range.h b/include/linux/range.h
index bd184a5db791..d1fbeb664012 100644
--- a/include/linux/range.h
+++ b/include/linux/range.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RANGE_H
 #define _LINUX_RANGE_H
 
diff --git a/include/linux/ras.h b/include/linux/ras.h
index be5338a35d57..7c3debb47c87 100644
--- a/include/linux/ras.h
+++ b/include/linux/ras.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RAS_H__
 #define __RAS_H__
 
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 56375edf2ed2..8ddf79e9207a 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RATELIMIT_H
 #define _LINUX_RATELIMIT_H
 
diff --git a/include/linux/rational.h b/include/linux/rational.h
index bfa6a2bcfb32..33f5f5fc3e36 100644
--- a/include/linux/rational.h
+++ b/include/linux/rational.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * rational fractions
  *
diff --git a/include/linux/rbtree_latch.h b/include/linux/rbtree_latch.h
index 4f3432c61d12..ece43e882b56 100644
--- a/include/linux/rbtree_latch.h
+++ b/include/linux/rbtree_latch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Latched RB-trees
  *
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 2bea1d5e9930..c2cdd45a880a 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RCULIST_H
 #define _LINUX_RCULIST_H
 
diff --git a/include/linux/rculist_bl.h b/include/linux/rculist_bl.h
index 4f216c59e7db..66e73ec1aa99 100644
--- a/include/linux/rculist_bl.h
+++ b/include/linux/rculist_bl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RCULIST_BL_H
 #define _LINUX_RCULIST_BL_H
 
diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h
index a23a33153180..a328e8181e49 100644
--- a/include/linux/rculist_nulls.h
+++ b/include/linux/rculist_nulls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RCULIST_NULLS_H
 #define _LINUX_RCULIST_NULLS_H
 
diff --git a/include/linux/rcupdate_wait.h b/include/linux/rcupdate_wait.h
index e774b4f5f220..57f371344152 100644
--- a/include/linux/rcupdate_wait.h
+++ b/include/linux/rcupdate_wait.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_RCUPDATE_WAIT_H
 #define _LINUX_SCHED_RCUPDATE_WAIT_H
 
diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h
index a4ede51b3e7c..90bfa3279a01 100644
--- a/include/linux/rcuwait.h
+++ b/include/linux/rcuwait.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RCUWAIT_H_
 #define _LINUX_RCUWAIT_H_
 
diff --git a/include/linux/reboot-mode.h b/include/linux/reboot-mode.h
index 75f7fe5c881f..4a2abb38d1d6 100644
--- a/include/linux/reboot-mode.h
+++ b/include/linux/reboot-mode.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __REBOOT_MODE_H__
 #define __REBOOT_MODE_H__
 
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index a7ff409f386d..d03da0eb95ca 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_REBOOT_H
 #define _LINUX_REBOOT_H
 
diff --git a/include/linux/reciprocal_div.h b/include/linux/reciprocal_div.h
index 8c5a3fb6c6c5..e031e9f2f9d8 100644
--- a/include/linux/reciprocal_div.h
+++ b/include/linux/reciprocal_div.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RECIPROCAL_DIV_H
 #define _LINUX_RECIPROCAL_DIV_H
 
diff --git a/include/linux/refcount.h b/include/linux/refcount.h
index 48b7c9c68c4d..e8286585e149 100644
--- a/include/linux/refcount.h
+++ b/include/linux/refcount.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_REFCOUNT_H
 #define _LINUX_REFCOUNT_H
 
diff --git a/include/linux/regulator/of_regulator.h b/include/linux/regulator/of_regulator.h
index 763953f7e3b8..df7f154a2ed5 100644
--- a/include/linux/regulator/of_regulator.h
+++ b/include/linux/regulator/of_regulator.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * OpenFirmware regulator support routines
  *
diff --git a/include/linux/regulator/userspace-consumer.h b/include/linux/regulator/userspace-consumer.h
index b4554ce9d4bb..b5dba0628951 100644
--- a/include/linux/regulator/userspace-consumer.h
+++ b/include/linux/regulator/userspace-consumer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __REGULATOR_PLATFORM_CONSUMER_H_
 #define __REGULATOR_PLATFORM_CONSUMER_H_
 
diff --git a/include/linux/relay.h b/include/linux/relay.h
index 68c1448e56bb..e1bdf01a86e2 100644
--- a/include/linux/relay.h
+++ b/include/linux/relay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/relay.h
  *
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index db1fe6772ad5..adb88f8cefbc 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RESET_CONTROLLER_H_
 #define _LINUX_RESET_CONTROLLER_H_
 
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 56463f37f3e6..4c7871ddf3c6 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RESET_H_
 #define _LINUX_RESET_H_
 
diff --git a/include/linux/resource.h b/include/linux/resource.h
index 277afdad6589..bdf491cbcab7 100644
--- a/include/linux/resource.h
+++ b/include/linux/resource.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RESOURCE_H
 #define _LINUX_RESOURCE_H
 
diff --git a/include/linux/restart_block.h b/include/linux/restart_block.h
index 19df8422606c..bcfdb918cd81 100644
--- a/include/linux/restart_block.h
+++ b/include/linux/restart_block.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Common syscall restarting data
  */
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index ee9b461af095..fa6ace66fea5 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RING_BUFFER_H
 #define _LINUX_RING_BUFFER_H
 
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 733d3d8181e2..988d176472df 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_RMAP_H
 #define _LINUX_RMAP_H
 /*
diff --git a/include/linux/rndis.h b/include/linux/rndis.h
index 93c0a64aefa6..882587c2b15e 100644
--- a/include/linux/rndis.h
+++ b/include/linux/rndis.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Remote Network Driver Interface Specification (RNDIS)
  * definitions of the magic numbers used by this protocol
diff --git a/include/linux/root_dev.h b/include/linux/root_dev.h
index ed241aad7c17..bab671b0782f 100644
--- a/include/linux/root_dev.h
+++ b/include/linux/root_dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ROOT_DEV_H_
 #define _ROOT_DEV_H_
 
diff --git a/include/linux/rpmsg/qcom_smd.h b/include/linux/rpmsg/qcom_smd.h
index f27917e0a101..2e92d7407a85 100644
--- a/include/linux/rpmsg/qcom_smd.h
+++ b/include/linux/rpmsg/qcom_smd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _LINUX_RPMSG_QCOM_SMD_H
 #define _LINUX_RPMSG_QCOM_SMD_H
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index e6d0f9c1cafd..f6d7ee98d93c 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generic RTC interface.
  * This version contains the part of the user interface to the Real Time Clock
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h
index 53fcbe9de7fd..1b92a28dd672 100644
--- a/include/linux/rtmutex.h
+++ b/include/linux/rtmutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * RT Mutexes: blocking mutual exclusion locks with PI support
  *
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index dea59c8eec54..ff3dd2ec44b4 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_RTNETLINK_H
 #define __LINUX_RTNETLINK_H
 
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h
index e784761a4443..e47568363e5e 100644
--- a/include/linux/rwsem-spinlock.h
+++ b/include/linux/rwsem-spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* rwsem-spinlock.h: fallback C implementation
  *
  * Copyright (c) 2001   David Howells (dhowells@redhat.com).
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 0ad7318ff299..dfa34d803439 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* rwsem.h: R/W semaphores, public interface
  *
  * Written by David Howells (dhowells@redhat.com).
diff --git a/include/linux/s3c_adc_battery.h b/include/linux/s3c_adc_battery.h
index 99dadbffdd4f..833871dcf6fd 100644
--- a/include/linux/s3c_adc_battery.h
+++ b/include/linux/s3c_adc_battery.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S3C_ADC_BATTERY_H
 #define _S3C_ADC_BATTERY_H
 
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 4b3286ac60c8..d87dfa41142d 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCATTERLIST_H
 #define _LINUX_SCATTERLIST_H
 
diff --git a/include/linux/scc.h b/include/linux/scc.h
index c5a004962679..745eabd17c10 100644
--- a/include/linux/scc.h
+++ b/include/linux/scc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */
 #ifndef	_SCC_H
 #define	_SCC_H
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 26a7df4e558c..fdf74f27acf1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_H
 #define _LINUX_SCHED_H
 
diff --git a/include/linux/sched/autogroup.h b/include/linux/sched/autogroup.h
index 55cd496df884..704391cc1d20 100644
--- a/include/linux/sched/autogroup.h
+++ b/include/linux/sched/autogroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_AUTOGROUP_H
 #define _LINUX_SCHED_AUTOGROUP_H
 
diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h
index a55600ffdf4b..867d588314e0 100644
--- a/include/linux/sched/clock.h
+++ b/include/linux/sched/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_CLOCK_H
 #define _LINUX_SCHED_CLOCK_H
 
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 98ae0d05aa32..9c8847395b5e 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_COREDUMP_H
 #define _LINUX_SCHED_COREDUMP_H
 
diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h
index d2be2ccbb372..d1ad3d825561 100644
--- a/include/linux/sched/cpufreq.h
+++ b/include/linux/sched/cpufreq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_CPUFREQ_H
 #define _LINUX_SCHED_CPUFREQ_H
 
diff --git a/include/linux/sched/cputime.h b/include/linux/sched/cputime.h
index 4c5b9735c1ae..d0677f6739f6 100644
--- a/include/linux/sched/cputime.h
+++ b/include/linux/sched/cputime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_CPUTIME_H
 #define _LINUX_SCHED_CPUTIME_H
 
diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h
index 975be862e083..a5bc8728ead7 100644
--- a/include/linux/sched/deadline.h
+++ b/include/linux/sched/deadline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_DEADLINE_H
 #define _LINUX_SCHED_DEADLINE_H
 
diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h
index 5d58d49e9f87..95fb9e025247 100644
--- a/include/linux/sched/debug.h
+++ b/include/linux/sched/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_DEBUG_H
 #define _LINUX_SCHED_DEBUG_H
 
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 752ac7e628d7..9a62ffdd296f 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_HOTPLUG_H
 #define _LINUX_SCHED_HOTPLUG_H
 
diff --git a/include/linux/sched/idle.h b/include/linux/sched/idle.h
index 5ca63ebad6b4..22873d276be6 100644
--- a/include/linux/sched/idle.h
+++ b/include/linux/sched/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_IDLE_H
 #define _LINUX_SCHED_IDLE_H
 
diff --git a/include/linux/sched/init.h b/include/linux/sched/init.h
index 127215045285..03542575fd33 100644
--- a/include/linux/sched/init.h
+++ b/include/linux/sched/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_INIT_H
 #define _LINUX_SCHED_INIT_H
 
diff --git a/include/linux/sched/jobctl.h b/include/linux/sched/jobctl.h
index 016afa0fb3bb..98228bd48aee 100644
--- a/include/linux/sched/jobctl.h
+++ b/include/linux/sched/jobctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_JOBCTL_H
 #define _LINUX_SCHED_JOBCTL_H
 
diff --git a/include/linux/sched/loadavg.h b/include/linux/sched/loadavg.h
index 4264bc6b2c27..80bc84ba5d2a 100644
--- a/include/linux/sched/loadavg.h
+++ b/include/linux/sched/loadavg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_LOADAVG_H
 #define _LINUX_SCHED_LOADAVG_H
 
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index ab9bf7b73954..3d49b91b674d 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_MM_H
 #define _LINUX_SCHED_MM_H
 
diff --git a/include/linux/sched/nohz.h b/include/linux/sched/nohz.h
index 028d17b918a7..3d3a97d9399d 100644
--- a/include/linux/sched/nohz.h
+++ b/include/linux/sched/nohz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_NOHZ_H
 #define _LINUX_SCHED_NOHZ_H
 
diff --git a/include/linux/sched/numa_balancing.h b/include/linux/sched/numa_balancing.h
index 35d5fc77b4be..e7dd04a84ba8 100644
--- a/include/linux/sched/numa_balancing.h
+++ b/include/linux/sched/numa_balancing.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_NUMA_BALANCING_H
 #define _LINUX_SCHED_NUMA_BALANCING_H
 
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 2cc450f6ec54..7d64feafc408 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_PRIO_H
 #define _LINUX_SCHED_PRIO_H
 
diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
index f93329aba31a..db865ed25ef3 100644
--- a/include/linux/sched/rt.h
+++ b/include/linux/sched/rt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_RT_H
 #define _LINUX_SCHED_RT_H
 
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 2a0dd40b15db..0aa4548fb492 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_SIGNAL_H
 #define _LINUX_SCHED_SIGNAL_H
 
diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h
index 141b74c53fad..04f1321d14c4 100644
--- a/include/linux/sched/stat.h
+++ b/include/linux/sched/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_STAT_H
 #define _LINUX_SCHED_STAT_H
 
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 0f5ecd4d298e..d6a18a3839cc 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_SYSCTL_H
 #define _LINUX_SCHED_SYSCTL_H
 
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index 79a2a744648d..05b8650f06f5 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_TASK_H
 #define _LINUX_SCHED_TASK_H
 
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index df6ea6665b31..cb4828aaa34f 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_TASK_STACK_H
 #define _LINUX_SCHED_TASK_STACK_H
 
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 7d065abc7a47..cf257c2e728d 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_TOPOLOGY_H
 #define _LINUX_SCHED_TOPOLOGY_H
 
diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h
index 3c07e4135127..0dcf4e480ef7 100644
--- a/include/linux/sched/user.h
+++ b/include/linux/sched/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_USER_H
 #define _LINUX_SCHED_USER_H
 
diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h
index d03d8a9047dc..10b19a192b2d 100644
--- a/include/linux/sched/wake_q.h
+++ b/include/linux/sched/wake_q.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_WAKE_Q_H
 #define _LINUX_SCHED_WAKE_Q_H
 
diff --git a/include/linux/sched/xacct.h b/include/linux/sched/xacct.h
index a28156a0d34a..c078f0a94cec 100644
--- a/include/linux/sched/xacct.h
+++ b/include/linux/sched/xacct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SCHED_XACCT_H
 #define _LINUX_SCHED_XACCT_H
 
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
index f0f8bad54be9..eab7081392d5 100644
--- a/include/linux/screen_info.h
+++ b/include/linux/screen_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCREEN_INFO_H
 #define _SCREEN_INFO_H
 
diff --git a/include/linux/scx200.h b/include/linux/scx200.h
index de466e11e271..652ec1a45f7c 100644
--- a/include/linux/scx200.h
+++ b/include/linux/scx200.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/include/linux/scx200.h
 
    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
diff --git a/include/linux/scx200_gpio.h b/include/linux/scx200_gpio.h
index ece4e553e9ac..6386ddbb6b70 100644
--- a/include/linux/scx200_gpio.h
+++ b/include/linux/scx200_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear);
 
 extern unsigned scx200_gpio_base;
diff --git a/include/linux/sdb.h b/include/linux/sdb.h
index fbb76a46c8a5..a2404a2bbd10 100644
--- a/include/linux/sdb.h
+++ b/include/linux/sdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is the official version 1.1 of sdb.h
  */
diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index c8bef436b61d..10f25f7e4304 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SECCOMP_H
 #define _LINUX_SECCOMP_H
 
diff --git a/include/linux/securebits.h b/include/linux/securebits.h
index da1b33b33af7..656528673983 100644
--- a/include/linux/securebits.h
+++ b/include/linux/securebits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SECUREBITS_H
 #define _LINUX_SECUREBITS_H 1
 
diff --git a/include/linux/seg6.h b/include/linux/seg6.h
index 7a66d2b4c5a6..369066a33ab9 100644
--- a/include/linux/seg6.h
+++ b/include/linux/seg6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEG6_H
 #define _LINUX_SEG6_H
 
diff --git a/include/linux/seg6_genl.h b/include/linux/seg6_genl.h
index d6c3fb4f3734..2f25a3cd7cb3 100644
--- a/include/linux/seg6_genl.h
+++ b/include/linux/seg6_genl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEG6_GENL_H
 #define _LINUX_SEG6_GENL_H
 
diff --git a/include/linux/seg6_hmac.h b/include/linux/seg6_hmac.h
index da437ebdc6cd..16e59595e870 100644
--- a/include/linux/seg6_hmac.h
+++ b/include/linux/seg6_hmac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEG6_HMAC_H
 #define _LINUX_SEG6_HMAC_H
 
diff --git a/include/linux/seg6_iptunnel.h b/include/linux/seg6_iptunnel.h
index 5377cf6a5a02..d07df7fc9dee 100644
--- a/include/linux/seg6_iptunnel.h
+++ b/include/linux/seg6_iptunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEG6_IPTUNNEL_H
 #define _LINUX_SEG6_IPTUNNEL_H
 
diff --git a/include/linux/selection.h b/include/linux/selection.h
index 8e4624efdb6f..5b278ce99d8d 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * selection.h
  *
diff --git a/include/linux/sem.h b/include/linux/sem.h
index 0083128318f6..9badd322dcee 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEM_H
 #define _LINUX_SEM_H
 
diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h
index fb7eb9ccb1cd..aa5deb041c25 100644
--- a/include/linux/seq_buf.h
+++ b/include/linux/seq_buf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEQ_BUF_H
 #define _LINUX_SEQ_BUF_H
 
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index e305b66a9fb9..09c6e28746f9 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SEQ_FILE_H
 #define _LINUX_SEQ_FILE_H
 
diff --git a/include/linux/seq_file_net.h b/include/linux/seq_file_net.h
index 32c89bbe24a2..43ccd84127b6 100644
--- a/include/linux/seq_file_net.h
+++ b/include/linux/seq_file_net.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SEQ_FILE_NET_H__
 #define __SEQ_FILE_NET_H__
 
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index ead97654c4e9..f189a8a3bbb8 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SEQLOCK_H
 #define __LINUX_SEQLOCK_H
 /*
diff --git a/include/linux/serial_bcm63xx.h b/include/linux/serial_bcm63xx.h
index 570e964dc899..b5e48ef89736 100644
--- a/include/linux/serial_bcm63xx.h
+++ b/include/linux/serial_bcm63xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SERIAL_BCM63XX_H
 #define _LINUX_SERIAL_BCM63XX_H
 
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index e598eaef3962..c0e795d95477 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SERIAL_SCI_H
 #define __LINUX_SERIAL_SCI_H
 
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 645896b81244..7bed5be886c6 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SH_CLOCK_H
 #define __SH_CLOCK_H
 
diff --git a/include/linux/sh_eth.h b/include/linux/sh_eth.h
index f2e27e078362..ff3642d267f7 100644
--- a/include/linux/sh_eth.h
+++ b/include/linux/sh_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_ETH_H__
 #define __ASM_SH_ETH_H__
 
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index 32383285da68..c255273b0281 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SH_INTC_H
 #define __SH_INTC_H
 
diff --git a/include/linux/sh_timer.h b/include/linux/sh_timer.h
index 64638b058076..74fd5140bb7a 100644
--- a/include/linux/sh_timer.h
+++ b/include/linux/sh_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SH_TIMER_H__
 #define __SH_TIMER_H__
 
diff --git a/include/linux/shm.h b/include/linux/shm.h
index 74a4b3b64352..2bbafacfbfc9 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SHM_H_
 #define _LINUX_SHM_H_
 
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index b6c3540e07bc..ed91ce57c428 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SHMEM_FS_H
 #define __SHMEM_FS_H
 
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 51d189615bda..388ff2936a87 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SHRINKER_H
 #define _LINUX_SHRINKER_H
 
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 38564e3e54c7..042968dd98f0 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SIGNAL_H
 #define _LINUX_SIGNAL_H
 
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h
index 16d862a3d8f3..222ae696000b 100644
--- a/include/linux/signal_types.h
+++ b/include/linux/signal_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SIGNAL_TYPES_H
 #define _LINUX_SIGNAL_TYPES_H
 
diff --git a/include/linux/signalfd.h b/include/linux/signalfd.h
index 4985048640a7..9a47c380bda8 100644
--- a/include/linux/signalfd.h
+++ b/include/linux/signalfd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/signalfd.h
  *
diff --git a/include/linux/sirfsoc_dma.h b/include/linux/sirfsoc_dma.h
index 29d959333d81..50161b6afb61 100644
--- a/include/linux/sirfsoc_dma.h
+++ b/include/linux/sirfsoc_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SIRFSOC_DMA_H_
 #define _SIRFSOC_DMA_H_
 
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 41473df6dfb0..af5aa65c7c18 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Mark Hemment, 1996 (markhe@nextd.demon.co.uk).
  *
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 4ad2c5a26399..8f7d2b1656d2 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SLAB_DEF_H
 #define	_LINUX_SLAB_DEF_H
 
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 0783b622311e..39fa09bcde23 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SLUB_DEF_H
 #define _LINUX_SLUB_DEF_H
 
diff --git a/include/linux/smc911x.h b/include/linux/smc911x.h
index 521f37143fae..8cace8189e74 100644
--- a/include/linux/smc911x.h
+++ b/include/linux/smc911x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SMC911X_H__
 #define __SMC911X_H__
 
diff --git a/include/linux/smc91x.h b/include/linux/smc91x.h
index 129bc674dcf5..f3b195fa78b9 100644
--- a/include/linux/smc91x.h
+++ b/include/linux/smc91x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SMC91X_H__
 #define __SMC91X_H__
 
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 98b1fe027fc9..9fb239e12b82 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SMP_H
 #define __LINUX_SMP_H
 
diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index c149aa7bedf3..c174844cf663 100644
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SMPBOOT_H
 #define _LINUX_SMPBOOT_H
 
diff --git a/include/linux/smscphy.h b/include/linux/smscphy.h
index f4bf16e16e16..1a136271ba6a 100644
--- a/include/linux/smscphy.h
+++ b/include/linux/smscphy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SMSCPHY_H__
 #define __LINUX_SMSCPHY_H__
 
diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h
index 337ce414e898..003f3dd5b192 100644
--- a/include/linux/soc/brcmstb/brcmstb.h
+++ b/include/linux/soc/brcmstb/brcmstb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BRCMSTB_SOC_H
 #define __BRCMSTB_SOC_H
 
diff --git a/include/linux/soc/dove/pmu.h b/include/linux/soc/dove/pmu.h
index 765386972b55..1955c01deec5 100644
--- a/include/linux/soc/dove/pmu.h
+++ b/include/linux/soc/dove/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SOC_DOVE_PMU_H
 #define LINUX_SOC_DOVE_PMU_H
 
diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h
index a0182ec2a621..e8d9f0d52933 100644
--- a/include/linux/soc/mediatek/infracfg.h
+++ b/include/linux/soc/mediatek/infracfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOC_MEDIATEK_INFRACFG_H
 #define __SOC_MEDIATEK_INFRACFG_H
 
diff --git a/include/linux/soc/qcom/mdt_loader.h b/include/linux/soc/qcom/mdt_loader.h
index f423001db3a9..bd8e0864b059 100644
--- a/include/linux/soc/qcom/mdt_loader.h
+++ b/include/linux/soc/qcom/mdt_loader.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_MDT_LOADER_H__
 #define __QCOM_MDT_LOADER_H__
 
diff --git a/include/linux/soc/qcom/smd-rpm.h b/include/linux/soc/qcom/smd-rpm.h
index 2a53dcaeeeed..4eff6e68600d 100644
--- a/include/linux/soc/qcom/smd-rpm.h
+++ b/include/linux/soc/qcom/smd-rpm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_SMD_RPM_H__
 #define __QCOM_SMD_RPM_H__
 
diff --git a/include/linux/soc/qcom/smem.h b/include/linux/soc/qcom/smem.h
index 785e196ee2ca..c1657ed27b30 100644
--- a/include/linux/soc/qcom/smem.h
+++ b/include/linux/soc/qcom/smem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_SMEM_H__
 #define __QCOM_SMEM_H__
 
diff --git a/include/linux/soc/qcom/smem_state.h b/include/linux/soc/qcom/smem_state.h
index b8478ee7a71f..63ad8cddad14 100644
--- a/include/linux/soc/qcom/smem_state.h
+++ b/include/linux/soc/qcom/smem_state.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QCOM_SMEM_STATE__
 #define __QCOM_SMEM_STATE__
 
diff --git a/include/linux/soc/qcom/wcnss_ctrl.h b/include/linux/soc/qcom/wcnss_ctrl.h
index a4dd4d7c711d..bbeb6b9c0221 100644
--- a/include/linux/soc/qcom/wcnss_ctrl.h
+++ b/include/linux/soc/qcom/wcnss_ctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WCNSS_CTRL_H__
 #define __WCNSS_CTRL_H__
 
diff --git a/include/linux/soc/renesas/rcar-rst.h b/include/linux/soc/renesas/rcar-rst.h
index 2c231f2280a6..7899a5b8c247 100644
--- a/include/linux/soc/renesas/rcar-rst.h
+++ b/include/linux/soc/renesas/rcar-rst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SOC_RENESAS_RCAR_RST_H__
 #define __LINUX_SOC_RENESAS_RCAR_RST_H__
 
diff --git a/include/linux/soc/renesas/rcar-sysc.h b/include/linux/soc/renesas/rcar-sysc.h
index 7b8b280c181b..8a6086d2e9c3 100644
--- a/include/linux/soc/renesas/rcar-sysc.h
+++ b/include/linux/soc/renesas/rcar-sysc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SOC_RENESAS_RCAR_SYSC_H__
 #define __LINUX_SOC_RENESAS_RCAR_SYSC_H__
 
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index a2f8109bb215..15fe980a27ea 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOCK_DIAG_H__
 #define __SOCK_DIAG_H__
 
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 8ad963cdc88c..9286a5a8c60c 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SOCKET_H
 #define _LINUX_SOCKET_H
 
diff --git a/include/linux/sonet.h b/include/linux/sonet.h
index 680f9a31df25..2b802b6d12ad 100644
--- a/include/linux/sonet.h
+++ b/include/linux/sonet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sonet.h - SONET/SHD physical layer control */
 #ifndef LINUX_SONET_H
 #define LINUX_SONET_H
diff --git a/include/linux/sony-laptop.h b/include/linux/sony-laptop.h
index e2e036d94e4a..1a4b77317fa1 100644
--- a/include/linux/sony-laptop.h
+++ b/include/linux/sony-laptop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SONYLAPTOP_H_
 #define _SONYLAPTOP_H_
 
diff --git a/include/linux/sort.h b/include/linux/sort.h
index d534da2b5575..2b99a5dd073d 100644
--- a/include/linux/sort.h
+++ b/include/linux/sort.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SORT_H
 #define _LINUX_SORT_H
 
diff --git a/include/linux/sound.h b/include/linux/sound.h
index 73ded040f1d7..3c6d393c7f29 100644
--- a/include/linux/sound.h
+++ b/include/linux/sound.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SOUND_H
 #define _LINUX_SOUND_H
 
diff --git a/include/linux/spi/ad7877.h b/include/linux/spi/ad7877.h
index cdbed816f25e..b7be843c88e2 100644
--- a/include/linux/spi/ad7877.h
+++ b/include/linux/spi/ad7877.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/spi/ad7877.h */
 
 /* Touchscreen characteristics vary between boards and models.  The
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 2f694f3846a9..1a5eaef3b7f2 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/spi/ads7846.h */
 
 /* Touchscreen characteristics vary between boards and models.  The
diff --git a/include/linux/spi/at73c213.h b/include/linux/spi/at73c213.h
index 0f20a70e5eb4..cbca6654aa31 100644
--- a/include/linux/spi/at73c213.h
+++ b/include/linux/spi/at73c213.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Board-specific data used to set up AT73c213 audio DAC driver.
  */
diff --git a/include/linux/spi/corgi_lcd.h b/include/linux/spi/corgi_lcd.h
index 6692b3418ccf..edf4beccdadb 100644
--- a/include/linux/spi/corgi_lcd.h
+++ b/include/linux/spi/corgi_lcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_CORGI_LCD_H
 #define __LINUX_SPI_CORGI_LCD_H
 
diff --git a/include/linux/spi/ds1305.h b/include/linux/spi/ds1305.h
index 287ec830eab7..82db6cd152dc 100644
--- a/include/linux/spi/ds1305.h
+++ b/include/linux/spi/ds1305.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_DS1305_H
 #define __LINUX_SPI_DS1305_H
 
diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h
index e34e169f9dcb..aceccf9c71fb 100644
--- a/include/linux/spi/eeprom.h
+++ b/include/linux/spi/eeprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_EEPROM_H
 #define __LINUX_SPI_EEPROM_H
 
diff --git a/include/linux/spi/flash.h b/include/linux/spi/flash.h
index f4199e758f97..2401a0887209 100644
--- a/include/linux/spi/flash.h
+++ b/include/linux/spi/flash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SPI_FLASH_H
 #define LINUX_SPI_FLASH_H
 
diff --git a/include/linux/spi/ifx_modem.h b/include/linux/spi/ifx_modem.h
index 394fec9e7722..694268c78d5d 100644
--- a/include/linux/spi/ifx_modem.h
+++ b/include/linux/spi/ifx_modem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_IFX_MODEM_H
 #define LINUX_IFX_MODEM_H
 
diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h
index bcaa2f762cc1..433c20e2f46e 100644
--- a/include/linux/spi/max7301.h
+++ b/include/linux/spi/max7301.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SPI_MAX7301_H
 #define LINUX_SPI_MAX7301_H
 
diff --git a/include/linux/spi/mc33880.h b/include/linux/spi/mc33880.h
index 82ffccd6fbe5..205a49cb99db 100644
--- a/include/linux/spi/mc33880.h
+++ b/include/linux/spi/mc33880.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SPI_MC33880_H
 #define LINUX_SPI_MC33880_H
 
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h
index 82d96a346e6f..738a45b435f2 100644
--- a/include/linux/spi/mcp23s08.h
+++ b/include/linux/spi/mcp23s08.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 struct mcp23s08_platform_data {
 	/* For mcp23s08, up to 4 slaves (numbered 0..3) can share one SPI
 	 * chipselect, each providing 1 gpio_chip instance with 8 gpios.
diff --git a/include/linux/spi/mmc_spi.h b/include/linux/spi/mmc_spi.h
index 274bc0fa00af..bfde741a543d 100644
--- a/include/linux/spi/mmc_spi.h
+++ b/include/linux/spi/mmc_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_MMC_SPI_H
 #define __LINUX_SPI_MMC_SPI_H
 
diff --git a/include/linux/spi/sh_msiof.h b/include/linux/spi/sh_msiof.h
index f74b581f242f..dc2a0cbd210d 100644
--- a/include/linux/spi/sh_msiof.h
+++ b/include/linux/spi/sh_msiof.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SPI_SH_MSIOF_H__
 #define __SPI_SH_MSIOF_H__
 
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index 154788ed218c..51d8c060e513 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef	__SPI_BITBANG_H
 #define	__SPI_BITBANG_H
 
diff --git a/include/linux/spi/spi_gpio.h b/include/linux/spi/spi_gpio.h
index 1634ce31c06d..e7bd89a59cd1 100644
--- a/include/linux/spi/spi_gpio.h
+++ b/include/linux/spi/spi_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_GPIO_H
 #define __LINUX_SPI_GPIO_H
 
diff --git a/include/linux/spi/spi_oc_tiny.h b/include/linux/spi/spi_oc_tiny.h
index 1ac529cf4f06..a3ecf2feadf2 100644
--- a/include/linux/spi/spi_oc_tiny.h
+++ b/include/linux/spi/spi_oc_tiny.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SPI_SPI_OC_TINY_H
 #define _LINUX_SPI_SPI_OC_TINY_H
 
diff --git a/include/linux/spi/tdo24m.h b/include/linux/spi/tdo24m.h
index 7572d4e1fe76..48dd58ac5383 100644
--- a/include/linux/spi/tdo24m.h
+++ b/include/linux/spi/tdo24m.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TDO24M_H__
 #define __TDO24M_H__
 
diff --git a/include/linux/spi/xilinx_spi.h b/include/linux/spi/xilinx_spi.h
index 333ecdfee0d9..c15d69d28e68 100644
--- a/include/linux/spi/xilinx_spi.h
+++ b/include/linux/spi/xilinx_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPI_XILINX_SPI_H
 #define __LINUX_SPI_XILINX_SPI_H
 
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 69e079c5ff98..341e1a12bfc7 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPINLOCK_H
 #define __LINUX_SPINLOCK_H
 
diff --git a/include/linux/splice.h b/include/linux/splice.h
index db42746bdfea..74b4911ac16d 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Function declerations and data structures related to the splice
  * implementation.
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 26a0b3c3ce5f..3b43655cabe6 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_H_
 #define LINUX_SSB_H_
 
diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h
index 0688472500bb..31593b34608e 100644
--- a/include/linux/ssb/ssb_driver_gige.h
+++ b/include/linux/ssb/ssb_driver_gige.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_DRIVER_GIGE_H_
 #define LINUX_SSB_DRIVER_GIGE_H_
 
diff --git a/include/linux/ssb/ssb_driver_mips.h b/include/linux/ssb/ssb_driver_mips.h
index 6535e4718fde..bef6bba32dff 100644
--- a/include/linux/ssb/ssb_driver_mips.h
+++ b/include/linux/ssb/ssb_driver_mips.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_MIPSCORE_H_
 #define LINUX_SSB_MIPSCORE_H_
 
diff --git a/include/linux/ssb/ssb_driver_pci.h b/include/linux/ssb/ssb_driver_pci.h
index 41e330e51c2a..42824bdfe16e 100644
--- a/include/linux/ssb/ssb_driver_pci.h
+++ b/include/linux/ssb/ssb_driver_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_PCICORE_H_
 #define LINUX_SSB_PCICORE_H_
 
diff --git a/include/linux/ssb/ssb_embedded.h b/include/linux/ssb/ssb_embedded.h
index 8d8dedff059d..49604ac3db82 100644
--- a/include/linux/ssb/ssb_embedded.h
+++ b/include/linux/ssb/ssb_embedded.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_EMBEDDED_H_
 #define LINUX_SSB_EMBEDDED_H_
 
diff --git a/include/linux/ssb/ssb_regs.h b/include/linux/ssb/ssb_regs.h
index c0f707ac192b..210f46494065 100644
--- a/include/linux/ssb/ssb_regs.h
+++ b/include/linux/ssb/ssb_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SSB_REGS_H_
 #define LINUX_SSB_REGS_H_
 
diff --git a/include/linux/stackprotector.h b/include/linux/stackprotector.h
index 6f3e54c704c0..03696c729fb4 100644
--- a/include/linux/stackprotector.h
+++ b/include/linux/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STACKPROTECTOR_H
 #define _LINUX_STACKPROTECTOR_H 1
 
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index 4205f71a5f0e..ba29a0613e66 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_STACKTRACE_H
 #define __LINUX_STACKTRACE_H
 
diff --git a/include/linux/start_kernel.h b/include/linux/start_kernel.h
index d3e5f2756545..4b268d86a784 100644
--- a/include/linux/start_kernel.h
+++ b/include/linux/start_kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_START_KERNEL_H
 #define _LINUX_START_KERNEL_H
 
diff --git a/include/linux/stat.h b/include/linux/stat.h
index 64b6b3aece21..22484e44544d 100644
--- a/include/linux/stat.h
+++ b/include/linux/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STAT_H
 #define _LINUX_STAT_H
 
diff --git a/include/linux/statfs.h b/include/linux/statfs.h
index 0166d320a75d..3142e98546ac 100644
--- a/include/linux/statfs.h
+++ b/include/linux/statfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STATFS_H
 #define _LINUX_STATFS_H
 
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index 9c61c7cda936..2181719fd907 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STDDEF_H
 #define _LINUX_STDDEF_H
 
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 3d60275e3ba9..6d3635c86dbe 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STOP_MACHINE
 #define _LINUX_STOP_MACHINE
 
diff --git a/include/linux/string.h b/include/linux/string.h
index 54d21783e18d..410ecf17de3c 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STRING_H_
 #define _LINUX_STRING_H_
 
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 5ce9538f290e..4397c52ec4a4 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_STRING_HELPERS_H_
 #define _LINUX_STRING_HELPERS_H_
 
diff --git a/include/linux/stringhash.h b/include/linux/stringhash.h
index 7c2d95170d01..e8f0f852968f 100644
--- a/include/linux/stringhash.h
+++ b/include/linux/stringhash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_STRINGHASH_H
 #define __LINUX_STRINGHASH_H
 
diff --git a/include/linux/sungem_phy.h b/include/linux/sungem_phy.h
index bd9be9f59d3a..3a11fa41a131 100644
--- a/include/linux/sungem_phy.h
+++ b/include/linux/sungem_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUNGEM_PHY_H__
 #define __SUNGEM_PHY_H__
 
diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
index 5c9c6cd08d3b..07d454873b6d 100644
--- a/include/linux/sunrpc/addr.h
+++ b/include/linux/sunrpc/addr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/addr.h
  *
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 8fd3504946ad..d9af474a857d 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/auth.h
  *
diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h
index cebdf8745901..0c9eac351aab 100644
--- a/include/linux/sunrpc/auth_gss.h
+++ b/include/linux/sunrpc/auth_gss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/auth_gss.h
  *
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 55ef67bea06b..71c237e8240e 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/sunrpc/clnt.h
  *
diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
index 8da0f37f3bdc..f6aeed07fe04 100644
--- a/include/linux/sunrpc/debug.h
+++ b/include/linux/sunrpc/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/debug.h
  *
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 68ec78c1aa48..5ac5db4d295f 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/gss_api.h
  *
diff --git a/include/linux/sunrpc/metrics.h b/include/linux/sunrpc/metrics.h
index 694eecb2f1b5..9baed7b355b2 100644
--- a/include/linux/sunrpc/metrics.h
+++ b/include/linux/sunrpc/metrics.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/sunrpc/metrics.h
  *
diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h
index 59cbf16eaeb5..4722b28ec36a 100644
--- a/include/linux/sunrpc/msg_prot.h
+++ b/include/linux/sunrpc/msg_prot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/msg_prot.h
  *
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index 7f490bef9e99..a5704daf5df9 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SUNRPC_RPC_PIPE_FS_H
 #define _LINUX_SUNRPC_RPC_PIPE_FS_H
 
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index c1768f9d993b..d96e74e114c0 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/sched.h
  *
diff --git a/include/linux/sunrpc/stats.h b/include/linux/sunrpc/stats.h
index edc64219f92b..84b92b4ad1c0 100644
--- a/include/linux/sunrpc/stats.h
+++ b/include/linux/sunrpc/stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/stats.h
  *
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 38f561b2dda3..3b9f0d1dbb80 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/svc.h
  *
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 6a2ad38f5458..1caf7bc83306 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/svc_xprt.h
  *
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index d03932055328..7c3656505847 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/svcauth.h
  *
diff --git a/include/linux/sunrpc/svcauth_gss.h b/include/linux/sunrpc/svcauth_gss.h
index 726aff1a5201..a4528b26c8aa 100644
--- a/include/linux/sunrpc/svcauth_gss.h
+++ b/include/linux/sunrpc/svcauth_gss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/svcauth_gss.h
  *
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 2e780134f449..119718a922f2 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/svcsock.h
  *
diff --git a/include/linux/sunrpc/timer.h b/include/linux/sunrpc/timer.h
index 697d6e69d61f..242dbe00b5ff 100644
--- a/include/linux/sunrpc/timer.h
+++ b/include/linux/sunrpc/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/sunrpc/timer.h
  *
diff --git a/include/linux/sunrpc/types.h b/include/linux/sunrpc/types.h
index 11a7536c0fd2..bd3c8e05632b 100644
--- a/include/linux/sunrpc/types.h
+++ b/include/linux/sunrpc/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/linux/sunrpc/types.h
  *
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 86b59e3525a5..d950223c64b1 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * XDR standard data types and function declarations
  *
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 5a7bff41f6b7..7fad83881ce1 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/sunrpc/xprt.h
  *
diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h
index 507418c1c69e..af1257c030d2 100644
--- a/include/linux/sunrpc/xprtmultipath.h
+++ b/include/linux/sunrpc/xprtmultipath.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * RPC client multipathing definitions
  *
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index c9959d7e3579..ae0f99b9b965 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/include/linux/sunrpc/xprtsock.h
  *
diff --git a/include/linux/sunserialcore.h b/include/linux/sunserialcore.h
index dbe4d7fca1b8..c12d1c7fa42b 100644
--- a/include/linux/sunserialcore.h
+++ b/include/linux/sunserialcore.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* sunserialcore.h
  *
  * Generic SUN serial/kbd/ms layer.  Based entirely
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index d10b7980799d..d60b0f5c38d5 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SUSPEND_H
 #define _LINUX_SUSPEND_H
 
diff --git a/include/linux/svga.h b/include/linux/svga.h
index bfa68e837d6a..3bfe4626953d 100644
--- a/include/linux/svga.h
+++ b/include/linux/svga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SVGA_H
 #define _LINUX_SVGA_H
 
diff --git a/include/linux/sw842.h b/include/linux/sw842.h
index 109ba041c2ae..3e29f5dcc62b 100644
--- a/include/linux/sw842.h
+++ b/include/linux/sw842.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SW842_H__
 #define __SW842_H__
 
diff --git a/include/linux/swab.h b/include/linux/swab.h
index 9ad3c60f6cae..e466fd159c85 100644
--- a/include/linux/swab.h
+++ b/include/linux/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAB_H
 #define _LINUX_SWAB_H
 
diff --git a/include/linux/swait.h b/include/linux/swait.h
index 73e97a08d3d0..29c9eb48ca89 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAIT_H
 #define _LINUX_SWAIT_H
 
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8a807292037f..b489bd77bbdc 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAP_H
 #define _LINUX_SWAP_H
 
diff --git a/include/linux/swap_cgroup.h b/include/linux/swap_cgroup.h
index b2b8ec7bda3f..a12dd1c3966c 100644
--- a/include/linux/swap_cgroup.h
+++ b/include/linux/swap_cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SWAP_CGROUP_H
 #define __LINUX_SWAP_CGROUP_H
 
diff --git a/include/linux/swap_slots.h b/include/linux/swap_slots.h
index 6ef92d17633d..e36b200c2a77 100644
--- a/include/linux/swap_slots.h
+++ b/include/linux/swap_slots.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAP_SLOTS_H
 #define _LINUX_SWAP_SLOTS_H
 
diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h
index 388293a91e8c..06bd7b096167 100644
--- a/include/linux/swapfile.h
+++ b/include/linux/swapfile.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAPFILE_H
 #define _LINUX_SWAPFILE_H
 
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 291c4b534658..9c5a2628d6ce 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SWAPOPS_H
 #define _LINUX_SWAPOPS_H
 
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 15e7160751a8..24ed817082ee 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SWIOTLB_H
 #define __LINUX_SWIOTLB_H
 
diff --git a/include/linux/sys.h b/include/linux/sys.h
index daa6008bfdc8..3ebd9812f2e6 100644
--- a/include/linux/sys.h
+++ b/include/linux/sys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SYS_H
 #define _LINUX_SYS_H
 
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 1d4dba490fb6..74f91eefeccf 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sysctl.h: General linux system control interface
  *
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index aa02c328dff5..e32dfe098e82 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * sysfs.h - definitions for the device driver filesystem
  *
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 387fa7d05c98..8c71874e8485 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- linux-c -*-
  *
  *	$Id: sysrq.h,v 1.3 1997/07/17 11:54:33 mj Exp $
diff --git a/include/linux/sysv_fs.h b/include/linux/sysv_fs.h
index e47d6d90023d..5cf77dbb8d86 100644
--- a/include/linux/sysv_fs.h
+++ b/include/linux/sysv_fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_SYSV_FS_H
 #define _LINUX_SYSV_FS_H
 
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h
index 635a3c5706bd..c6aa8a3c42ed 100644
--- a/include/linux/t10-pi.h
+++ b/include/linux/t10-pi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_T10_PI_H
 #define _LINUX_T10_PI_H
 
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index bdf855c2856f..6f6acce064de 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * task_io_accounting: a structure which is used for recording a single task's
  * IO statistics.
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index 4d090f9ee608..bb5498bcdd96 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Task I/O accounting operations
  */
diff --git a/include/linux/task_work.h b/include/linux/task_work.h
index ca5a1cf27dae..bd9a6a91c097 100644
--- a/include/linux/task_work.h
+++ b/include/linux/task_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TASK_WORK_H
 #define _LINUX_TASK_WORK_H
 
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index e2a5daf8d14f..dbb4d124c7d7 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* taskstats_kern.h - kernel header for per-task statistics interface
  *
  * Copyright (C) Shailabh Nagar, IBM Corp. 2006
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index cfaee869146f..0494db3fd9e8 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_TEXTSEARCH_H
 #define __LINUX_TEXTSEARCH_H
 
diff --git a/include/linux/textsearch_fsm.h b/include/linux/textsearch_fsm.h
index fdfa078c66e5..b57231ff652f 100644
--- a/include/linux/textsearch_fsm.h
+++ b/include/linux/textsearch_fsm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_TEXTSEARCH_FSM_H
 #define __LINUX_TEXTSEARCH_FSM_H
 
diff --git a/include/linux/thinkpad_acpi.h b/include/linux/thinkpad_acpi.h
index 361de59a2285..9fb317970c01 100644
--- a/include/linux/thinkpad_acpi.h
+++ b/include/linux/thinkpad_acpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __THINKPAD_ACPI_H__
 #define __THINKPAD_ACPI_H__
 
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 5f7eeab990fe..4bcdf00c110f 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: common low-level thread information accessors
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/include/linux/threads.h b/include/linux/threads.h
index 383ab9592bec..3086dba525e2 100644
--- a/include/linux/threads.h
+++ b/include/linux/threads.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_THREADS_H
 #define _LINUX_THREADS_H
 
diff --git a/include/linux/tick.h b/include/linux/tick.h
index fe01e68bf520..cf413b344ddb 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Tick related global functions
  */
diff --git a/include/linux/time.h b/include/linux/time.h
index 9bc1f945777c..87c36cf1cec2 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TIME_H
 #define _LINUX_TIME_H
 
diff --git a/include/linux/time64.h b/include/linux/time64.h
index 980c71b3001a..ad33260618f7 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TIME64_H
 #define _LINUX_TIME64_H
 
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index 0a0a53daf2a2..97154c61e5d2 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * You SHOULD NOT be including this unless you're vsyscall
  * handling code or timekeeping internal code!
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index ddc229ff6d1e..0021575fe871 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TIMEKEEPING_H
 #define _LINUX_TIMEKEEPING_H
 
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 6383c528b148..ac66f29c6916 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TIMER_H
 #define _LINUX_TIMER_H
 
diff --git a/include/linux/timerfd.h b/include/linux/timerfd.h
index bab0b1ad0613..0c33260e5dfb 100644
--- a/include/linux/timerfd.h
+++ b/include/linux/timerfd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/timerfd.h
  *
diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
index 7eec17ad7fa1..78b8cc73f12f 100644
--- a/include/linux/timerqueue.h
+++ b/include/linux/timerqueue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TIMERQUEUE_H
 #define _LINUX_TIMERQUEUE_H
 
diff --git a/include/linux/tpm_command.h b/include/linux/tpm_command.h
index 727512e249b5..f5c03e9c3913 100644
--- a/include/linux/tpm_command.h
+++ b/include/linux/tpm_command.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_TPM_COMMAND_H__
 #define __LINUX_TPM_COMMAND_H__
 
diff --git a/include/linux/trace.h b/include/linux/trace.h
index 9330a58e2651..d24991c1fef3 100644
--- a/include/linux/trace.h
+++ b/include/linux/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TRACE_H
 #define _LINUX_TRACE_H
 
diff --git a/include/linux/trace_clock.h b/include/linux/trace_clock.h
index 1d7ca2739272..00e8f98c940f 100644
--- a/include/linux/trace_clock.h
+++ b/include/linux/trace_clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TRACE_CLOCK_H
 #define _LINUX_TRACE_CLOCK_H
 
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 2e0f22298fe9..2bcb4dc6df1a 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _LINUX_TRACE_EVENT_H
 #define _LINUX_TRACE_EVENT_H
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index cfaf5a1d4bad..6609b39a7232 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TRACE_SEQ_H
 #define _LINUX_TRACE_SEQ_H
 
diff --git a/include/linux/tracepoint-defs.h b/include/linux/tracepoint-defs.h
index a03192052066..64ed7064f1fa 100644
--- a/include/linux/tracepoint-defs.h
+++ b/include/linux/tracepoint-defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TRACEPOINT_DEFS_H
 #define TRACEPOINT_DEFS_H 1
 
diff --git a/include/linux/tsacct_kern.h b/include/linux/tsacct_kern.h
index 3251965bf4cc..d8ddce26e1f1 100644
--- a/include/linux/tsacct_kern.h
+++ b/include/linux/tsacct_kern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * tsacct_kern.h - kernel header for system accounting over taskstats interface
  *
diff --git a/include/linux/tty.h b/include/linux/tty.h
index cf53eb539f6e..7ac8ba208b1f 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TTY_H
 #define _LINUX_TTY_H
 
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index fcdc0f5d9098..31c2b5b166de 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TTY_DRIVER_H
 #define _LINUX_TTY_DRIVER_H
 
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index d43837f2ce3a..767f62086bd9 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TTY_FLIP_H
 #define _LINUX_TTY_FLIP_H
 
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 3971cf0eb467..3bc5144b1c7e 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TTY_LDISC_H
 #define _LINUX_TTY_LDISC_H
 
diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h
index eb5b74a575be..20d310331eb5 100644
--- a/include/linux/typecheck.h
+++ b/include/linux/typecheck.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TYPECHECK_H_INCLUDED
 #define TYPECHECK_H_INCLUDED
 
diff --git a/include/linux/types.h b/include/linux/types.h
index 258099a4ed82..34fce54e4f1b 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_TYPES_H
 #define _LINUX_TYPES_H
 
diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index 650f3dd6b800..5bdbd9f49395 100644
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_U64_STATS_SYNC_H
 #define _LINUX_U64_STATS_SYNC_H
 
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 20ef8e6ec2db..251e655d407f 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_UACCESS_H__
 #define __LINUX_UACCESS_H__
 
diff --git a/include/linux/ucs2_string.h b/include/linux/ucs2_string.h
index bb679b48f408..cf3ada3e820e 100644
--- a/include/linux/ucs2_string.h
+++ b/include/linux/ucs2_string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UCS2_STRING_H_
 #define _LINUX_UCS2_STRING_H_
 
diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h
index 25e9d9216340..b0542cd11aeb 100644
--- a/include/linux/uidgid.h
+++ b/include/linux/uidgid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UIDGID_H
 #define _LINUX_UIDGID_H
 
diff --git a/include/linux/ulpi/driver.h b/include/linux/ulpi/driver.h
index a7af21a55248..c7a1810373e3 100644
--- a/include/linux/ulpi/driver.h
+++ b/include/linux/ulpi/driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ULPI_DRIVER_H
 #define __LINUX_ULPI_DRIVER_H
 
diff --git a/include/linux/ulpi/interface.h b/include/linux/ulpi/interface.h
index a2011a919eb6..e93cfa36c3f7 100644
--- a/include/linux/ulpi/interface.h
+++ b/include/linux/ulpi/interface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ULPI_INTERFACE_H
 #define __LINUX_ULPI_INTERFACE_H
 
diff --git a/include/linux/ulpi/regs.h b/include/linux/ulpi/regs.h
index b5b8b8804560..9f607872b2f8 100644
--- a/include/linux/ulpi/regs.h
+++ b/include/linux/ulpi/regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_ULPI_REGS_H
 #define __LINUX_ULPI_REGS_H
 
diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h
index 33383ca23837..167aa849c0ce 100644
--- a/include/linux/unaligned/access_ok.h
+++ b/include/linux/unaligned/access_ok.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_ACCESS_OK_H
 #define _LINUX_UNALIGNED_ACCESS_OK_H
 
diff --git a/include/linux/unaligned/be_byteshift.h b/include/linux/unaligned/be_byteshift.h
index 9356b24223ac..8bdb8fa01bd4 100644
--- a/include/linux/unaligned/be_byteshift.h
+++ b/include/linux/unaligned/be_byteshift.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_BE_BYTESHIFT_H
 #define _LINUX_UNALIGNED_BE_BYTESHIFT_H
 
diff --git a/include/linux/unaligned/be_memmove.h b/include/linux/unaligned/be_memmove.h
index c2a76c5c9ed0..7164214a4ba1 100644
--- a/include/linux/unaligned/be_memmove.h
+++ b/include/linux/unaligned/be_memmove.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_BE_MEMMOVE_H
 #define _LINUX_UNALIGNED_BE_MEMMOVE_H
 
diff --git a/include/linux/unaligned/be_struct.h b/include/linux/unaligned/be_struct.h
index 132415836c50..15ea503a13fc 100644
--- a/include/linux/unaligned/be_struct.h
+++ b/include/linux/unaligned/be_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_BE_STRUCT_H
 #define _LINUX_UNALIGNED_BE_STRUCT_H
 
diff --git a/include/linux/unaligned/generic.h b/include/linux/unaligned/generic.h
index 02d97ff3df70..57d3114656e5 100644
--- a/include/linux/unaligned/generic.h
+++ b/include/linux/unaligned/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_GENERIC_H
 #define _LINUX_UNALIGNED_GENERIC_H
 
diff --git a/include/linux/unaligned/le_byteshift.h b/include/linux/unaligned/le_byteshift.h
index be376fb79b64..1628b75866f0 100644
--- a/include/linux/unaligned/le_byteshift.h
+++ b/include/linux/unaligned/le_byteshift.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_LE_BYTESHIFT_H
 #define _LINUX_UNALIGNED_LE_BYTESHIFT_H
 
diff --git a/include/linux/unaligned/le_memmove.h b/include/linux/unaligned/le_memmove.h
index 269849bee4ec..9202e864d026 100644
--- a/include/linux/unaligned/le_memmove.h
+++ b/include/linux/unaligned/le_memmove.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_LE_MEMMOVE_H
 #define _LINUX_UNALIGNED_LE_MEMMOVE_H
 
diff --git a/include/linux/unaligned/le_struct.h b/include/linux/unaligned/le_struct.h
index 088c4572faa8..9977987883a6 100644
--- a/include/linux/unaligned/le_struct.h
+++ b/include/linux/unaligned/le_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_LE_STRUCT_H
 #define _LINUX_UNALIGNED_LE_STRUCT_H
 
diff --git a/include/linux/unaligned/memmove.h b/include/linux/unaligned/memmove.h
index eeb5a779a4fd..ac71b53bc6dc 100644
--- a/include/linux/unaligned/memmove.h
+++ b/include/linux/unaligned/memmove.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_MEMMOVE_H
 #define _LINUX_UNALIGNED_MEMMOVE_H
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index cb9fbd54386e..9c63792a8134 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_USB_H
 #define __LINUX_USB_H
 
diff --git a/include/linux/usb/atmel_usba_udc.h b/include/linux/usb/atmel_usba_udc.h
index ba99af275a31..9bb00df3b53f 100644
--- a/include/linux/usb/atmel_usba_udc.h
+++ b/include/linux/usb/atmel_usba_udc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Platform data definitions for Atmel USBA gadget driver.
  */
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 6cc96bb12ddc..523aa088f6ab 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file holds USB constants and structures that are needed for
  * USB device APIs.  These are used by the USB device model, which is
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index d725cff7268d..07f99362bc90 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Platform data for the chipidea USB dual role controller
  */
diff --git a/include/linux/usb/ehci-dbgp.h b/include/linux/usb/ehci-dbgp.h
index 7344d9e591cc..62ab3805172d 100644
--- a/include/linux/usb/ehci-dbgp.h
+++ b/include/linux/usb/ehci-dbgp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Standalone EHCI usb debug driver
  *
diff --git a/include/linux/usb/ezusb.h b/include/linux/usb/ezusb.h
index 639ee45779fb..487047162ca8 100644
--- a/include/linux/usb/ezusb.h
+++ b/include/linux/usb/ezusb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __EZUSB_H
 #define __EZUSB_H
 
diff --git a/include/linux/usb/functionfs.h b/include/linux/usb/functionfs.h
index 71190663f1ee..570578cc9861 100644
--- a/include/linux/usb/functionfs.h
+++ b/include/linux/usb/functionfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_FUNCTIONFS_H__
 #define __LINUX_FUNCTIONFS_H__ 1
 
diff --git a/include/linux/usb/gadget_configfs.h b/include/linux/usb/gadget_configfs.h
index c36e95730de1..d61aebd68128 100644
--- a/include/linux/usb/gadget_configfs.h
+++ b/include/linux/usb/gadget_configfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GADGET_CONFIGFS__
 #define __GADGET_CONFIGFS__
 
diff --git a/include/linux/usb/iowarrior.h b/include/linux/usb/iowarrior.h
index 4fd6513d564c..56559bc53214 100644
--- a/include/linux/usb/iowarrior.h
+++ b/include/linux/usb/iowarrior.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_USB_IOWARRIOR_H
 #define __LINUX_USB_IOWARRIOR_H
 
diff --git a/include/linux/usb/irda.h b/include/linux/usb/irda.h
index e345ceaf72d6..396d2b043e64 100644
--- a/include/linux/usb/irda.h
+++ b/include/linux/usb/irda.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * USB IrDA Bridge Device Definition
  */
diff --git a/include/linux/usb/isp116x.h b/include/linux/usb/isp116x.h
index 96ca114e88d0..1f331c28bfe3 100644
--- a/include/linux/usb/isp116x.h
+++ b/include/linux/usb/isp116x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Board initialization code should put one of these into dev->platform_data
  * and place the isp116x onto platform_bus.
diff --git a/include/linux/usb/isp1362.h b/include/linux/usb/isp1362.h
index 642684bb9292..5356c4ae386e 100644
--- a/include/linux/usb/isp1362.h
+++ b/include/linux/usb/isp1362.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * board initialization code should put one of these into dev->platform_data
  * and place the isp1362 onto platform_bus.
diff --git a/include/linux/usb/isp1760.h b/include/linux/usb/isp1760.h
index de7de53c5531..b75ded28db81 100644
--- a/include/linux/usb/isp1760.h
+++ b/include/linux/usb/isp1760.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * board initialization should put one of these into dev->platform_data
  * and place the isp1760 onto platform_bus named "isp1760-hcd".
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index d315c8907869..5d19e6730475 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is used to for host and peripheral modes of the driver for
  * Inventra (Multidrop) Highspeed Dual-Role Controllers:  (M)HDRC.
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 67929df86df5..69f1b6328532 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* USB OTG (On The Go) defines */
 /*
  *
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 8c6914873a16..b7a2625947f5 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * USB PHY defines
  *
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index de2a722fe3cf..7cd553a3ce05 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file holds the definitions of quirks found in USB devices.
  * Only quirks that affect the whole device, not an interface,
diff --git a/include/linux/usb/sl811.h b/include/linux/usb/sl811.h
index 3afe4d16fcef..6c97f8e66492 100644
--- a/include/linux/usb/sl811.h
+++ b/include/linux/usb/sl811.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * board initialization should put one of these into dev->platform_data
  * and place the sl811hs onto platform_bus named "sl811-hcd".
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index ffe7487886ca..0d44ce6af08f 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __LINUX_USB_TYPEC_H
 #define __LINUX_USB_TYPEC_H
diff --git a/include/linux/usb/uas.h b/include/linux/usb/uas.h
index 3fc8e8b9f043..aa3ad39d39dc 100644
--- a/include/linux/usb/uas.h
+++ b/include/linux/usb/uas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USB_UAS_H__
 #define __USB_UAS_H__
 
diff --git a/include/linux/usb/usb_phy_generic.h b/include/linux/usb/usb_phy_generic.h
index c13632d5292e..7408cf52c710 100644
--- a/include/linux/usb/usb_phy_generic.h
+++ b/include/linux/usb/usb_phy_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_USB_NOP_XCEIV_H
 #define __LINUX_USB_NOP_XCEIV_H
 
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 0aae1b2ee931..000a5954b2e8 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Interface to the libusual.
  *
diff --git a/include/linux/user-return-notifier.h b/include/linux/user-return-notifier.h
index 9c4a445bb43c..c07b386a9e93 100644
--- a/include/linux/user-return-notifier.h
+++ b/include/linux/user-return-notifier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_USER_RETURN_NOTIFIER_H
 #define _LINUX_USER_RETURN_NOTIFIER_H
 
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index c18e01252346..3fe714da7f5a 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_USER_NAMESPACE_H
 #define _LINUX_USER_NAMESPACE_H
 
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index 48a3483dccb1..f2f3b68ba910 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  include/linux/userfaultfd_k.h
  *
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index f9b2ce58039b..72299f261b25 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HELPER_MACROS_H_
 #define _LINUX_HELPER_MACROS_H_
 
diff --git a/include/linux/uts.h b/include/linux/uts.h
index 6ddbd86377de..d62829530c2f 100644
--- a/include/linux/uts.h
+++ b/include/linux/uts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UTS_H
 #define _LINUX_UTS_H
 
diff --git a/include/linux/utsname.h b/include/linux/utsname.h
index da826ed059cf..c8060c2ecd04 100644
--- a/include/linux/utsname.h
+++ b/include/linux/utsname.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UTSNAME_H
 #define _LINUX_UTSNAME_H
 
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index af6c03f7f986..bae807eb2933 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <generated/utsrelease.h>
 
 /* Simply sanity version stamp for modules. */
diff --git a/include/linux/vfs.h b/include/linux/vfs.h
index e701d0541405..33952ac00a19 100644
--- a/include/linux/vfs.h
+++ b/include/linux/vfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VFS_H
 #define _LINUX_VFS_H
 
diff --git a/include/linux/via.h b/include/linux/via.h
index 86ae3bcdb2ba..38ea9a77426a 100644
--- a/include/linux/via.h
+++ b/include/linux/via.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Miscellaneous definitions for VIA chipsets
    Currently used only by drivers/parport/parport_pc.c */
 
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 28b0e965360f..988c7355bc22 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_H
 #define _LINUX_VIRTIO_H
 /* Everything a virtio driver needs to work with any particular virtio
diff --git a/include/linux/virtio_byteorder.h b/include/linux/virtio_byteorder.h
index ce63a2c3a612..825aaefac9b1 100644
--- a/include/linux/virtio_byteorder.h
+++ b/include/linux/virtio_byteorder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_BYTEORDER_H
 #define _LINUX_VIRTIO_BYTEORDER_H
 #include <linux/types.h>
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 0133d8a12ccd..5559a2d31c46 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_CONFIG_H
 #define _LINUX_VIRTIO_CONFIG_H
 
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 32fb046f2173..210034c896e3 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_NET_H
 #define _LINUX_VIRTIO_NET_H
 
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index 270cfa81830e..bbf32524ab27 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_RING_H
 #define _LINUX_VIRTIO_RING_H
 
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index ab13f0743da8..e223e2632edd 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_VSOCK_H
 #define _LINUX_VIRTIO_VSOCK_H
 
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index d77bc35278b0..5c7f010676a7 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef VM_EVENT_ITEM_H_INCLUDED
 #define VM_EVENT_ITEM_H_INCLUDED
 
diff --git a/include/linux/vmacache.h b/include/linux/vmacache.h
index 1081db987391..a5b3aa8d281f 100644
--- a/include/linux/vmacache.h
+++ b/include/linux/vmacache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_VMACACHE_H
 #define __LINUX_VMACACHE_H
 
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 2d92dd002abd..1e5d8c392f15 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VMALLOC_H
 #define _LINUX_VMALLOC_H
 
diff --git a/include/linux/vme.h b/include/linux/vme.h
index 25874da3f2e1..7e82bf500f01 100644
--- a/include/linux/vme.h
+++ b/include/linux/vme.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VME_H_
 #define _VME_H_
 
diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h
index 3347cc3ec0ab..61e6fddfb26f 100644
--- a/include/linux/vmpressure.h
+++ b/include/linux/vmpressure.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_VMPRESSURE_H
 #define __LINUX_VMPRESSURE_H
 
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index ade7cb5f1359..1e0cb72e0598 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VMSTAT_H
 #define _LINUX_VMSTAT_H
 
diff --git a/include/linux/vt.h b/include/linux/vt.h
index b186e0435239..9820ae4f99ab 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VT_H
 #define _LINUX_VT_H
 
diff --git a/include/linux/vt_buffer.h b/include/linux/vt_buffer.h
index 30b6e0d2a942..848db1b1569f 100644
--- a/include/linux/vt_buffer.h
+++ b/include/linux/vt_buffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	include/linux/vt_buffer.h -- Access to VT screen buffer
  *
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 833fdd4794a0..3fd07912909c 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VT_KERN_H
 #define _VT_KERN_H
 
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 18b405e3cd93..a26ed10a4eac 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_KERNEL_VTIME_H
 #define _LINUX_KERNEL_VTIME_H
 
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 87c4641023fb..158715445ffb 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_WAIT_H
 #define _LINUX_WAIT_H
 /*
diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h
index 12b26660d7e9..af0d495430d7 100644
--- a/include/linux/wait_bit.h
+++ b/include/linux/wait_bit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_WAIT_BIT_H
 #define _LINUX_WAIT_BIT_H
 
diff --git a/include/linux/wanrouter.h b/include/linux/wanrouter.h
index 8198a63cf459..f6358558f9f5 100644
--- a/include/linux/wanrouter.h
+++ b/include/linux/wanrouter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * wanrouter.h	Legacy declarations kept around until X25 is removed
  */
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index a786e5e8973b..44985c4a1e86 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Generic watchdog defines. Derived from..
  *
diff --git a/include/linux/win_minmax.h b/include/linux/win_minmax.h
index 56569604278f..4ca2842d2842 100644
--- a/include/linux/win_minmax.h
+++ b/include/linux/win_minmax.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /**
  * lib/minmax.c: windowed min/max tracker by Kathleen Nichols.
  *
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 4ea4c6e2383d..2d1b54556eff 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file define a set of standard wireless extensions
  *
diff --git a/include/linux/wm97xx.h b/include/linux/wm97xx.h
index fd98bb968219..58e082dadc68 100644
--- a/include/linux/wm97xx.h
+++ b/include/linux/wm97xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  * Register bits and API for Wolfson WM97xx series of codecs
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 1c49431f3121..0eae11fc7a23 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * workqueue.h --- work queue handling for Linux.
  */
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d5815794416c..e12d92808e98 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * include/linux/writeback.h
  */
diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h
index 5dd9a7682227..39fda195bf78 100644
--- a/include/linux/ww_mutex.h
+++ b/include/linux/ww_mutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Wound/Wait Mutexes: blocking mutual exclusion locks with deadlock avoidance
  *
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index e77605a0c8da..d70f77a4b62a 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   File: linux/xattr.h
 
diff --git a/include/linux/z2_battery.h b/include/linux/z2_battery.h
index 7b9750404d22..eaba53ff387c 100644
--- a/include/linux/z2_battery.h
+++ b/include/linux/z2_battery.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_Z2_BATTERY_H
 #define _LINUX_Z2_BATTERY_H
 
diff --git a/include/linux/zbud.h b/include/linux/zbud.h
index e183a0a65ac1..b1eaf6e31735 100644
--- a/include/linux/zbud.h
+++ b/include/linux/zbud.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ZBUD_H_
 #define _ZBUD_H_
 
diff --git a/include/linux/zpool.h b/include/linux/zpool.h
index 2e97b7707dff..004ba807df96 100644
--- a/include/linux/zpool.h
+++ b/include/linux/zpool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * zpool memory storage api
  *
diff --git a/include/media/blackfin/bfin_capture.h b/include/media/blackfin/bfin_capture.h
index 56b9ce4472fc..a999a3970c69 100644
--- a/include/media/blackfin/bfin_capture.h
+++ b/include/media/blackfin/bfin_capture.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BFIN_CAPTURE_H_
 #define _BFIN_CAPTURE_H_
 
diff --git a/include/media/drv-intf/saa7146.h b/include/media/drv-intf/saa7146.h
index 45294328614d..769c6cf7eb4c 100644
--- a/include/media/drv-intf/saa7146.h
+++ b/include/media/drv-intf/saa7146.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SAA7146__
 #define __SAA7146__
 
diff --git a/include/media/drv-intf/saa7146_vv.h b/include/media/drv-intf/saa7146_vv.h
index 0da6ccc0615b..4e89e9f12a1e 100644
--- a/include/media/drv-intf/saa7146_vv.h
+++ b/include/media/drv-intf/saa7146_vv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SAA7146_VV__
 #define __SAA7146_VV__
 
diff --git a/include/media/drv-intf/sh_mobile_ceu.h b/include/media/drv-intf/sh_mobile_ceu.h
index 2f43f7d9e28d..555f0ecc0fde 100644
--- a/include/media/drv-intf/sh_mobile_ceu.h
+++ b/include/media/drv-intf/sh_mobile_ceu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_MOBILE_CEU_H__
 #define __ASM_SH_MOBILE_CEU_H__
 
diff --git a/include/media/i2c-addr.h b/include/media/i2c-addr.h
index 5d0f56054d26..1b6872f5e970 100644
--- a/include/media/i2c-addr.h
+++ b/include/media/i2c-addr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	V4L I2C address list
  *
diff --git a/include/media/i2c/ir-kbd-i2c.h b/include/media/i2c/ir-kbd-i2c.h
index ac8c55617a79..76491c62c254 100644
--- a/include/media/i2c/ir-kbd-i2c.h
+++ b/include/media/i2c/ir-kbd-i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IR_I2C
 #define _IR_I2C
 
diff --git a/include/media/i2c/mt9p031.h b/include/media/i2c/mt9p031.h
index 1ba361205af1..7c29c53aa988 100644
--- a/include/media/i2c/mt9p031.h
+++ b/include/media/i2c/mt9p031.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MT9P031_H
 #define MT9P031_H
 
diff --git a/include/media/i2c/mt9t001.h b/include/media/i2c/mt9t001.h
index 03fd63edd133..4b1090554270 100644
--- a/include/media/i2c/mt9t001.h
+++ b/include/media/i2c/mt9t001.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MEDIA_MT9T001_H
 #define _MEDIA_MT9T001_H
 
diff --git a/include/media/i2c/mt9v032.h b/include/media/i2c/mt9v032.h
index 12175a63c5b2..83a37ccfb649 100644
--- a/include/media/i2c/mt9v032.h
+++ b/include/media/i2c/mt9v032.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MEDIA_MT9V032_H
 #define _MEDIA_MT9V032_H
 
diff --git a/include/media/tuner-types.h b/include/media/tuner-types.h
index aed539068d2d..78f0654d9c3d 100644
--- a/include/media/tuner-types.h
+++ b/include/media/tuner-types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * descriptions for simple tuners.
  */
diff --git a/include/media/tveeprom.h b/include/media/tveeprom.h
index 630bcf3d8885..b56eaee82aa5 100644
--- a/include/media/tveeprom.h
+++ b/include/media/tveeprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*
  * tveeprom - Contains structures and functions to work with Hauppauge
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index e657614521e3..28a686eb7d09 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *	V 4 L 2   D R I V E R   H E L P E R   A P I
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index bd5312118013..a7b3f7c75d62 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *	V 4 L 2   D R I V E R   H E L P E R   A P I
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index c3bfa473c3aa..a14ac7711c92 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <dvbdev.h>
 #include <dmxdev.h>
 #include <dvb_demux.h>
diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h
index 87b559024b4a..5a31faa24f1a 100644
--- a/include/media/videobuf2-dvb.h
+++ b/include/media/videobuf2-dvb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _VIDEOBUF2_DVB_H_
 #define	_VIDEOBUF2_DVB_H_
 
diff --git a/include/net/Space.h b/include/net/Space.h
index 8a32771e4215..27fb5c937c4f 100644
--- a/include/net/Space.h
+++ b/include/net/Space.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* A unified ethernet device probe.  This is the easiest way to have every
  * ethernet adaptor have the name "eth[0123...]".
  */
diff --git a/include/net/act_api.h b/include/net/act_api.h
index b944e0eb93be..97a908ac424d 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_ACT_API_H
 #define __NET_ACT_API_H
 
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index f44ff2476758..35f5aabd432f 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ADDRCONF_H
 #define _ADDRCONF_H
 
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index afb37f835449..a5ba41b3b867 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NET_AFUNIX_H
 #define __LINUX_NET_AFUNIX_H
 
diff --git a/include/net/ah.h b/include/net/ah.h
index 4e2dfa474a7e..2d2dea521169 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_AH_H
 #define _NET_AH_H
 
diff --git a/include/net/arp.h b/include/net/arp.h
index 17d90e4e8dc5..dc8cd47f883b 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* linux/net/inet/arp.h */
 #ifndef _ARP_H
 #define _ARP_H
diff --git a/include/net/atmclip.h b/include/net/atmclip.h
index 5865924d4aac..70e350e0db3d 100644
--- a/include/net/atmclip.h
+++ b/include/net/atmclip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/atmarp.h - RFC1577 ATM ARP */
  
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/include/net/ax25.h b/include/net/ax25.h
index c4a0cf6f0810..76fb39c272a7 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Declarations of AX.25 type objects.
  *
diff --git a/include/net/compat.h b/include/net/compat.h
index 13de0ccaa059..a91bea80b9fc 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef NET_COMPAT_H
 #define NET_COMPAT_H
 
diff --git a/include/net/datalink.h b/include/net/datalink.h
index 93cb18f729b5..a9663229b913 100644
--- a/include/net/datalink.h
+++ b/include/net/datalink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_INET_DATALINK_H_
 #define _NET_INET_DATALINK_H_
 
diff --git a/include/net/dn.h b/include/net/dn.h
index 913b73d239f5..fc0036228d20 100644
--- a/include/net/dn.h
+++ b/include/net/dn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DN_H
 #define _NET_DN_H
 
diff --git a/include/net/dn_dev.h b/include/net/dn_dev.h
index 197886cd7bdd..595b4f6c1eb1 100644
--- a/include/net/dn_dev.h
+++ b/include/net/dn_dev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DN_DEV_H
 #define _NET_DN_DEV_H
 
diff --git a/include/net/dn_fib.h b/include/net/dn_fib.h
index 81210a8b8d7c..6dd2213c5eb2 100644
--- a/include/net/dn_fib.h
+++ b/include/net/dn_fib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DN_FIB_H
 #define _NET_DN_FIB_H
 
diff --git a/include/net/dn_neigh.h b/include/net/dn_neigh.h
index 5e902fc3f4eb..2e3e7793973a 100644
--- a/include/net/dn_neigh.h
+++ b/include/net/dn_neigh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DN_NEIGH_H
 #define _NET_DN_NEIGH_H
 
diff --git a/include/net/dsfield.h b/include/net/dsfield.h
index e1ad903a8d6a..1a245ee10c95 100644
--- a/include/net/dsfield.h
+++ b/include/net/dsfield.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* include/net/dsfield.h - Manipulation of the Differentiated Services field */
 
 /* Written 1998-2000 by Werner Almesberger, EPFL ICA */
diff --git a/include/net/dst.h b/include/net/dst.h
index 06a6765da074..694c2e6ae618 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * net/dst.h	Protocol independent destination cache definitions.
  *
diff --git a/include/net/dst_cache.h b/include/net/dst_cache.h
index 151accae708b..72fd5067c353 100644
--- a/include/net/dst_cache.h
+++ b/include/net/dst_cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DST_CACHE_H
 #define _NET_DST_CACHE_H
 
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index a803129a4849..91bc7bdf6bf5 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_DST_METADATA_H
 #define __NET_DST_METADATA_H 1
 
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index c84b3287e38b..5ec645f27ee3 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_DST_OPS_H
 #define _NET_DST_OPS_H
 #include <linux/types.h>
diff --git a/include/net/esp.h b/include/net/esp.h
index c41994d1bfef..117652eb6ea3 100644
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_ESP_H
 #define _NET_ESP_H
 
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 3d7f1cefc6f5..648caf90ec07 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_FIB_RULES_H
 #define __NET_FIB_RULES_H
 
diff --git a/include/net/firewire.h b/include/net/firewire.h
index 31bcbfe7a220..299e5df38552 100644
--- a/include/net/firewire.h
+++ b/include/net/firewire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_FIREWIRE_H
 #define _NET_FIREWIRE_H
 
diff --git a/include/net/flow.h b/include/net/flow.h
index eb60cee30b44..f1624fd5b1d0 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  *	Generic internet FLOW.
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index fc3dce730a6b..22aba321282d 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_FLOW_DISSECTOR_H
 #define _NET_FLOW_DISSECTOR_H
 
diff --git a/include/net/fou.h b/include/net/fou.h
index f5cc6910a27e..80f56e275b08 100644
--- a/include/net/fou.h
+++ b/include/net/fou.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_FOU_H
 #define __NET_FOU_H
 
diff --git a/include/net/garp.h b/include/net/garp.h
index abf33bbd2e6a..c41833bd4590 100644
--- a/include/net/garp.h
+++ b/include/net/garp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_GARP_H
 #define _NET_GARP_H
 
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 8b7aa370e7a4..304f7aa9cc01 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_GEN_STATS_H
 #define __NET_GEN_STATS_H
 
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index c59a098221db..5ac169a735f4 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_GENERIC_NETLINK_H
 #define __NET_GENERIC_NETLINK_H
 
diff --git a/include/net/geneve.h b/include/net/geneve.h
index ec0327d4331b..a7600ed55ea3 100644
--- a/include/net/geneve.h
+++ b/include/net/geneve.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_GENEVE_H
 #define __NET_GENEVE_H  1
 
diff --git a/include/net/gre.h b/include/net/gre.h
index d25d836c129b..f90585decbce 100644
--- a/include/net/gre.h
+++ b/include/net/gre.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GRE_H
 #define __LINUX_GRE_H
 
diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h
index fcaf8f479130..596688b67a2a 100644
--- a/include/net/gro_cells.h
+++ b/include/net/gro_cells.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_GRO_CELLS_H
 #define _NET_GRO_CELLS_H
 
diff --git a/include/net/gtp.h b/include/net/gtp.h
index 6398891b99ba..0e16ebb2a82d 100644
--- a/include/net/gtp.h
+++ b/include/net/gtp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GTP_H_
 #define _GTP_H_
 
diff --git a/include/net/gue.h b/include/net/gue.h
index 3f28ec7f1c7f..2fdb29ca74c2 100644
--- a/include/net/gue.h
+++ b/include/net/gue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_GUE_H
 #define __NET_GUE_H
 
diff --git a/include/net/hwbm.h b/include/net/hwbm.h
index 47d08662501b..89085e2e2da5 100644
--- a/include/net/hwbm.h
+++ b/include/net/hwbm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _HWBM_H
 #define _HWBM_H
 
diff --git a/include/net/ife.h b/include/net/ife.h
index 2d87d6898b0a..44b9c00f7223 100644
--- a/include/net/ife.h
+++ b/include/net/ife.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_IFE_H
 #define __NET_IFE_H
 
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index f39ae697347f..5a54c9570977 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INET_COMMON_H
 #define _INET_COMMON_H
 
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index dce2d586d9ce..d30e4c869438 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INET_ECN_H_
 #define _INET_ECN_H_
 
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index fc59e0775e00..a6e4edd8d4a2 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_FRAG_H__
 #define __NET_FRAG_H__
 
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 950ed182f62f..00b5e7825508 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *		INETPEER - A storage for permanent information about peers
  *
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index ee96f402cb75..bee528135cf1 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_IP6_ROUTE_H
 #define _NET_IP6_ROUTE_H
 
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 08fbc7f7d8d7..d66f70f63734 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_IP6_TUNNEL_H
 #define _NET_IP6_TUNNEL_H
 
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 992652856fe8..eb2321a13506 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_IP_TUNNELS_H
 #define __NET_IP_TUNNELS_H 1
 
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 4f4f786255ef..5d08c1950e7d 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* IP Virtual Server
  * data structure and functionality definitions
  */
diff --git a/include/net/ipcomp.h b/include/net/ipcomp.h
index cc4f30cd7315..fee6fc451597 100644
--- a/include/net/ipcomp.h
+++ b/include/net/ipcomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_IPCOMP_H
 #define _NET_IPCOMP_H
 
diff --git a/include/net/ipconfig.h b/include/net/ipconfig.h
index c74cc1bd5a02..e3534299bd2a 100644
--- a/include/net/ipconfig.h
+++ b/include/net/ipconfig.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright (C) 1997 Martin Mares
  *
diff --git a/include/net/ipx.h b/include/net/ipx.h
index af32b97b5ddd..baf090390998 100644
--- a/include/net/ipx.h
+++ b/include/net/ipx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_INET_IPX_H_
 #define _NET_INET_IPX_H_
 /*
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index 714cc9a54a4c..070e93a17c59 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2006 IBM Corporation
  * IUCV protocol stack for Linux on zSeries
diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h
index b867b0cf79e8..f9e88401d7da 100644
--- a/include/net/iucv/iucv.h
+++ b/include/net/iucv/iucv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  drivers/s390/net/iucv.h
  *    IUCV base support.
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index 2509728650bd..725282095840 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file define the new driver API for Wireless Extensions
  *
diff --git a/include/net/lapb.h b/include/net/lapb.h
index 85e773742f4e..ccc3d1f020b0 100644
--- a/include/net/lapb.h
+++ b/include/net/lapb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LAPB_H
 #define _LAPB_H 
 #include <linux/lapb.h>
diff --git a/include/net/lib80211.h b/include/net/lib80211.h
index aab0f427edb5..8b47d3a51cf8 100644
--- a/include/net/lib80211.h
+++ b/include/net/lib80211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * lib80211.h -- common bits for IEEE802.11 wireless drivers
  *
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index 7c26863b8cf4..d747ef975cd8 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_LWTUNNEL_H
 #define __NET_LWTUNNEL_H 1
 
diff --git a/include/net/mld.h b/include/net/mld.h
index 01d751303498..b0f5b3105ef0 100644
--- a/include/net/mld.h
+++ b/include/net/mld.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_MLD_H
 #define LINUX_MLD_H
 
diff --git a/include/net/mrp.h b/include/net/mrp.h
index 31912c3be772..ef58b4a07190 100644
--- a/include/net/mrp.h
+++ b/include/net/mrp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_MRP_H
 #define _NET_MRP_H
 
diff --git a/include/net/ncsi.h b/include/net/ncsi.h
index fdc60ff2511d..fbefe80361ee 100644
--- a/include/net/ncsi.h
+++ b/include/net/ncsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_NCSI_H
 #define __NET_NCSI_H
 
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 31b1bb11ba3f..ddfbb591e2c5 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NDISC_H
 #define _NDISC_H
 
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 9816df225af3..a964366a7ef5 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_NEIGHBOUR_H
 #define _NET_NEIGHBOUR_H
 
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 57faa375eab9..10f99dafd5ac 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Operations on the network namespace
  */
diff --git a/include/net/net_ratelimit.h b/include/net/net_ratelimit.h
index 7727b4247daf..93c1bd5133c2 100644
--- a/include/net/net_ratelimit.h
+++ b/include/net/net_ratelimit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NET_RATELIMIT_H
 #define _LINUX_NET_RATELIMIT_H
 
diff --git a/include/net/netevent.h b/include/net/netevent.h
index f440df172b56..f728d9cad170 100644
--- a/include/net/netevent.h
+++ b/include/net/netevent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_EVENT_H
 #define _NET_EVENT_H
 
diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
index 925524ede6c8..74af19c3a8f7 100644
--- a/include/net/netfilter/br_netfilter.h
+++ b/include/net/netfilter/br_netfilter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BR_NETFILTER_H_
 #define _BR_NETFILTER_H_
 
diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
index 919e4e8af327..2cc728ef8cd0 100644
--- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IPv4 support for nf_conntrack.
  *
diff --git a/include/net/netfilter/ipv4/nf_defrag_ipv4.h b/include/net/netfilter/ipv4/nf_defrag_ipv4.h
index db405f70e538..bcbd724cc048 100644
--- a/include/net/netfilter/ipv4/nf_defrag_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_defrag_ipv4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_DEFRAG_IPV4_H
 #define _NF_DEFRAG_IPV4_H
 
diff --git a/include/net/netfilter/ipv4/nf_dup_ipv4.h b/include/net/netfilter/ipv4/nf_dup_ipv4.h
index 0a14733e8b82..c962e0be3549 100644
--- a/include/net/netfilter/ipv4/nf_dup_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_dup_ipv4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_DUP_IPV4_H_
 #define _NF_DUP_IPV4_H_
 
diff --git a/include/net/netfilter/ipv4/nf_nat_masquerade.h b/include/net/netfilter/ipv4/nf_nat_masquerade.h
index a9c001c646da..ebd869473603 100644
--- a/include/net/netfilter/ipv4/nf_nat_masquerade.h
+++ b/include/net/netfilter/ipv4/nf_nat_masquerade.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_MASQUERADE_IPV4_H_
 #define _NF_NAT_MASQUERADE_IPV4_H_
 
diff --git a/include/net/netfilter/ipv4/nf_reject.h b/include/net/netfilter/ipv4/nf_reject.h
index df7ecd806aba..2eb43fcefc50 100644
--- a/include/net/netfilter/ipv4/nf_reject.h
+++ b/include/net/netfilter/ipv4/nf_reject.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IPV4_NF_REJECT_H
 #define _IPV4_NF_REJECT_H
 
diff --git a/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h b/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h
index 67edd50a398a..c86895bc5eb6 100644
--- a/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h
+++ b/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ICMPv6 tracking.
  *
diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
index eaea968f8657..79a335c0d8b8 100644
--- a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_IPV6_H
 #define _NF_CONNTRACK_IPV6_H
 
diff --git a/include/net/netfilter/ipv6/nf_defrag_ipv6.h b/include/net/netfilter/ipv6/nf_defrag_ipv6.h
index 7664efe37974..9d7e28736da9 100644
--- a/include/net/netfilter/ipv6/nf_defrag_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_defrag_ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_DEFRAG_IPV6_H
 #define _NF_DEFRAG_IPV6_H
 
diff --git a/include/net/netfilter/ipv6/nf_dup_ipv6.h b/include/net/netfilter/ipv6/nf_dup_ipv6.h
index fa6237b382a3..caf0c2dd8ee7 100644
--- a/include/net/netfilter/ipv6/nf_dup_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_dup_ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_DUP_IPV6_H_
 #define _NF_DUP_IPV6_H_
 
diff --git a/include/net/netfilter/ipv6/nf_nat_masquerade.h b/include/net/netfilter/ipv6/nf_nat_masquerade.h
index 0a13396cd390..1ed4f2631ed6 100644
--- a/include/net/netfilter/ipv6/nf_nat_masquerade.h
+++ b/include/net/netfilter/ipv6/nf_nat_masquerade.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_MASQUERADE_IPV6_H_
 #define _NF_NAT_MASQUERADE_IPV6_H_
 
diff --git a/include/net/netfilter/ipv6/nf_reject.h b/include/net/netfilter/ipv6/nf_reject.h
index 0ea4fa37db16..3a5a9a36a0b2 100644
--- a/include/net/netfilter/ipv6/nf_reject.h
+++ b/include/net/netfilter/ipv6/nf_reject.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IPV6_NF_REJECT_H
 #define _IPV6_NF_REJECT_H
 
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 8f3bd30511de..792c3f6d30ce 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Connection state tracking for netfilter.  This is separated from,
  * but required by, the (future) NAT layer; it can also be used by an iptables
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index 81d7f8a30945..9b5e7634713e 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header is used to share core functionality between the
  * standalone connection tracking module, and the compatibility layer's use
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 2a10c6570fcc..3f1ce9a8776e 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * connection tracking event cache.
  */
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 818def011110..006e430d1cdf 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * connection tracking expectations.
  */
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index 4944bc9153cf..21f887c5058c 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_EXTEND_H
 #define _NF_CONNTRACK_EXTEND_H
 
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index c519bb5b5bb8..fc39bbaf107c 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * connection tracking helpers.
  *
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index 6269deecbee7..d5808f3e2715 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C)2003,2004 USAGI/WIDE Project
  *
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 738a0307a96b..510192eb7e9d 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Header for use in defining a given L4 protocol for connection tracking.
  *
diff --git a/include/net/netfilter/nf_conntrack_labels.h b/include/net/netfilter/nf_conntrack_labels.h
index 1723a67c0b0a..4eacce6f3bcc 100644
--- a/include/net/netfilter/nf_conntrack_labels.h
+++ b/include/net/netfilter/nf_conntrack_labels.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/types.h>
 #include <net/net_namespace.h>
 #include <linux/netfilter/nf_conntrack_common.h>
diff --git a/include/net/netfilter/nf_conntrack_seqadj.h b/include/net/netfilter/nf_conntrack_seqadj.h
index 4b3362991a25..0a10b50537ae 100644
--- a/include/net/netfilter/nf_conntrack_seqadj.h
+++ b/include/net/netfilter/nf_conntrack_seqadj.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_SEQADJ_H
 #define _NF_CONNTRACK_SEQADJ_H
 
diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h
index a2fcb5271726..2c7559a54092 100644
--- a/include/net/netfilter/nf_conntrack_synproxy.h
+++ b/include/net/netfilter/nf_conntrack_synproxy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_SYNPROXY_H
 #define _NF_CONNTRACK_SYNPROXY_H
 
diff --git a/include/net/netfilter/nf_conntrack_timeout.h b/include/net/netfilter/nf_conntrack_timeout.h
index 483d104fa254..9468ab4ad12d 100644
--- a/include/net/netfilter/nf_conntrack_timeout.h
+++ b/include/net/netfilter/nf_conntrack_timeout.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_TIMEOUT_H
 #define _NF_CONNTRACK_TIMEOUT_H
 
diff --git a/include/net/netfilter/nf_conntrack_timestamp.h b/include/net/netfilter/nf_conntrack_timestamp.h
index 300ae2209f25..3b661986be8f 100644
--- a/include/net/netfilter/nf_conntrack_timestamp.h
+++ b/include/net/netfilter/nf_conntrack_timestamp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_TSTAMP_H
 #define _NF_CONNTRACK_TSTAMP_H
 
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index aea3f8221be0..bf0444e111a6 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions and Declarations for tuple.
  *
diff --git a/include/net/netfilter/nf_conntrack_zones.h b/include/net/netfilter/nf_conntrack_zones.h
index 64a718b60839..52950baa3ab5 100644
--- a/include/net/netfilter/nf_conntrack_zones.h
+++ b/include/net/netfilter/nf_conntrack_zones.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_CONNTRACK_ZONES_H
 #define _NF_CONNTRACK_ZONES_H
 
diff --git a/include/net/netfilter/nf_dup_netdev.h b/include/net/netfilter/nf_dup_netdev.h
index 3e919356bedf..2a6f6dcad3d9 100644
--- a/include/net/netfilter/nf_dup_netdev.h
+++ b/include/net/netfilter/nf_dup_netdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_DUP_NETDEV_H_
 #define _NF_DUP_NETDEV_H_
 
diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h
index 42e0696f38d8..e811ac07ea94 100644
--- a/include/net/netfilter/nf_log.h
+++ b/include/net/netfilter/nf_log.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_LOG_H
 #define _NF_LOG_H
 
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index b71701302e61..207a467e7ca6 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_H
 #define _NF_NAT_H
 #include <linux/netfilter_ipv4.h>
diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h
index 186c54138f35..235bd0e9a5aa 100644
--- a/include/net/netfilter/nf_nat_core.h
+++ b/include/net/netfilter/nf_nat_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_CORE_H
 #define _NF_NAT_CORE_H
 #include <linux/list.h>
diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h
index fbfa5acf4f14..97d7033e93a4 100644
--- a/include/net/netfilter/nf_nat_helper.h
+++ b/include/net/netfilter/nf_nat_helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_HELPER_H
 #define _NF_NAT_HELPER_H
 /* NAT protocol helper routines. */
diff --git a/include/net/netfilter/nf_nat_l3proto.h b/include/net/netfilter/nf_nat_l3proto.h
index aef3e5fc9fd9..ce7c2b4e64bb 100644
--- a/include/net/netfilter/nf_nat_l3proto.h
+++ b/include/net/netfilter/nf_nat_l3proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_L3PROTO_H
 #define _NF_NAT_L3PROTO_H
 
diff --git a/include/net/netfilter/nf_nat_l4proto.h b/include/net/netfilter/nf_nat_l4proto.h
index 3923150f2a1e..67835ff8a2d9 100644
--- a/include/net/netfilter/nf_nat_l4proto.h
+++ b/include/net/netfilter/nf_nat_l4proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Header for use in defining a given protocol. */
 #ifndef _NF_NAT_L4PROTO_H
 #define _NF_NAT_L4PROTO_H
diff --git a/include/net/netfilter/nf_nat_redirect.h b/include/net/netfilter/nf_nat_redirect.h
index 73b729543309..5ddabb08c472 100644
--- a/include/net/netfilter/nf_nat_redirect.h
+++ b/include/net/netfilter/nf_nat_redirect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_NAT_REDIRECT_H_
 #define _NF_NAT_REDIRECT_H_
 
diff --git a/include/net/netfilter/nf_queue.h b/include/net/netfilter/nf_queue.h
index 39468720fc19..814058d0f167 100644
--- a/include/net/netfilter/nf_queue.h
+++ b/include/net/netfilter/nf_queue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_QUEUE_H
 #define _NF_QUEUE_H
 
diff --git a/include/net/netfilter/nf_socket.h b/include/net/netfilter/nf_socket.h
index f2fc39c97d43..8230fefff9f5 100644
--- a/include/net/netfilter/nf_socket.h
+++ b/include/net/netfilter/nf_socket.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_SOCK_H_
 #define _NF_SOCK_H_
 
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 0f5b12a4ad09..079c69cae2f6 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_NF_TABLES_H
 #define _NET_NF_TABLES_H
 
diff --git a/include/net/netfilter/nf_tables_core.h b/include/net/netfilter/nf_tables_core.h
index 424684c33771..ea5aab568be8 100644
--- a/include/net/netfilter/nf_tables_core.h
+++ b/include/net/netfilter/nf_tables_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_NF_TABLES_CORE_H
 #define _NET_NF_TABLES_CORE_H
 
diff --git a/include/net/netfilter/nf_tables_ipv4.h b/include/net/netfilter/nf_tables_ipv4.h
index 25e33aee91e7..f0896ba456c4 100644
--- a/include/net/netfilter/nf_tables_ipv4.h
+++ b/include/net/netfilter/nf_tables_ipv4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_TABLES_IPV4_H_
 #define _NF_TABLES_IPV4_H_
 
diff --git a/include/net/netfilter/nf_tables_ipv6.h b/include/net/netfilter/nf_tables_ipv6.h
index 97983d1c05e4..b8065b72f56e 100644
--- a/include/net/netfilter/nf_tables_ipv6.h
+++ b/include/net/netfilter/nf_tables_ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_TABLES_IPV6_H_
 #define _NF_TABLES_IPV6_H_
 
diff --git a/include/net/netfilter/nfnetlink_log.h b/include/net/netfilter/nfnetlink_log.h
index 5ca3f14f0998..612cfb63ac68 100644
--- a/include/net/netfilter/nfnetlink_log.h
+++ b/include/net/netfilter/nfnetlink_log.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KER_NFNETLINK_LOG_H
 #define _KER_NFNETLINK_LOG_H
 
diff --git a/include/net/netfilter/nft_dup.h b/include/net/netfilter/nft_dup.h
index 6b84cf6491a2..4d9d512984b2 100644
--- a/include/net/netfilter/nft_dup.h
+++ b/include/net/netfilter/nft_dup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_DUP_H_
 #define _NFT_DUP_H_
 
diff --git a/include/net/netfilter/nft_fib.h b/include/net/netfilter/nft_fib.h
index 381af9469e6a..a88f92737308 100644
--- a/include/net/netfilter/nft_fib.h
+++ b/include/net/netfilter/nft_fib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_FIB_H_
 #define _NFT_FIB_H_
 
diff --git a/include/net/netfilter/nft_masq.h b/include/net/netfilter/nft_masq.h
index a3f3c11b2526..e51ab3815797 100644
--- a/include/net/netfilter/nft_masq.h
+++ b/include/net/netfilter/nft_masq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_MASQ_H_
 #define _NFT_MASQ_H_
 
diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h
index 1139cde0fdc5..5c69e9b09388 100644
--- a/include/net/netfilter/nft_meta.h
+++ b/include/net/netfilter/nft_meta.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_META_H_
 #define _NFT_META_H_
 
diff --git a/include/net/netfilter/nft_redir.h b/include/net/netfilter/nft_redir.h
index a2d67546afab..4a970737c03c 100644
--- a/include/net/netfilter/nft_redir.h
+++ b/include/net/netfilter/nft_redir.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_REDIR_H_
 #define _NFT_REDIR_H_
 
diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h
index 02e28c529b29..de80c50761f0 100644
--- a/include/net/netfilter/nft_reject.h
+++ b/include/net/netfilter/nft_reject.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NFT_REJECT_H_
 #define _NFT_REJECT_H_
 
diff --git a/include/net/netfilter/xt_rateest.h b/include/net/netfilter/xt_rateest.h
index 130e58361f99..b1db13772554 100644
--- a/include/net/netfilter/xt_rateest.h
+++ b/include/net/netfilter/xt_rateest.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XT_RATEEST_H
 #define _XT_RATEEST_H
 
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 14c289393071..0c154f98e987 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_NETLINK_H
 #define __NET_NETLINK_H
 
diff --git a/include/net/netns/can.h b/include/net/netns/can.h
index b106e6ae2e5b..ecf238b8862c 100644
--- a/include/net/netns/can.h
+++ b/include/net/netns/can.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * can in net namespaces
  */
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index 17724c62de97..9795d628a127 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_CONNTRACK_H
 #define __NETNS_CONNTRACK_H
 
diff --git a/include/net/netns/core.h b/include/net/netns/core.h
index 78eb1ff75475..0ad4d0c71228 100644
--- a/include/net/netns/core.h
+++ b/include/net/netns/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_CORE_H__
 #define __NETNS_CORE_H__
 
diff --git a/include/net/netns/dccp.h b/include/net/netns/dccp.h
index 98d2a7ce1f71..cdbc4f5b8390 100644
--- a/include/net/netns/dccp.h
+++ b/include/net/netns/dccp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_DCCP_H__
 #define __NETNS_DCCP_H__
 
diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h
index f15daaa89385..8a1ab47c3fb3 100644
--- a/include/net/netns/generic.h
+++ b/include/net/netns/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * generic net pointers
  */
diff --git a/include/net/netns/hash.h b/include/net/netns/hash.h
index 69a6715d9f3f..24c78183a4c2 100644
--- a/include/net/netns/hash.h
+++ b/include/net/netns/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_NS_HASH_H__
 #define __NET_NS_HASH_H__
 
diff --git a/include/net/netns/ieee802154_6lowpan.h b/include/net/netns/ieee802154_6lowpan.h
index 8170f8d7052b..736aeac52f56 100644
--- a/include/net/netns/ieee802154_6lowpan.h
+++ b/include/net/netns/ieee802154_6lowpan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ieee802154 6lowpan in net namespaces
  */
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 20d061c805e3..8fcff2837484 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ipv4 in net namespaces
  */
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 2544f9760a42..dc825a5ddd7f 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ipv6 in net namespaces
  */
diff --git a/include/net/netns/mib.h b/include/net/netns/mib.h
index d542a4b28cca..830bdf345b17 100644
--- a/include/net/netns/mib.h
+++ b/include/net/netns/mib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_MIB_H__
 #define __NETNS_MIB_H__
 
diff --git a/include/net/netns/mpls.h b/include/net/netns/mpls.h
index 6608b3693385..a7bdcfbb0b28 100644
--- a/include/net/netns/mpls.h
+++ b/include/net/netns/mpls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mpls in net namespaces
  */
diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h
index 72d66c8763d0..cc00af2ac2d7 100644
--- a/include/net/netns/netfilter.h
+++ b/include/net/netns/netfilter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_NETFILTER_H
 #define __NETNS_NETFILTER_H
 
diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h
index c80781146019..4109b5f3010f 100644
--- a/include/net/netns/nftables.h
+++ b/include/net/netns/nftables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NETNS_NFTABLES_H_
 #define _NETNS_NFTABLES_H_
 
diff --git a/include/net/netns/packet.h b/include/net/netns/packet.h
index 17ec2b95c062..aae69bb43cde 100644
--- a/include/net/netns/packet.h
+++ b/include/net/netns/packet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Packet network namespace
  */
diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h
index b7871d018354..ebc813277662 100644
--- a/include/net/netns/sctp.h
+++ b/include/net/netns/sctp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_SCTP_H__
 #define __NETNS_SCTP_H__
 
diff --git a/include/net/netns/unix.h b/include/net/netns/unix.h
index 284649d4dfb4..91a3d7e39198 100644
--- a/include/net/netns/unix.h
+++ b/include/net/netns/unix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Unix network namespace
  */
diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h
index c8a7681efa6a..9bc5a12fdbb0 100644
--- a/include/net/netns/x_tables.h
+++ b/include/net/netns/x_tables.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_X_TABLES_H
 #define __NETNS_X_TABLES_H
 
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 611521646dd4..9991e5ef52cc 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NETNS_XFRM_H
 #define __NETNS_XFRM_H
 
diff --git a/include/net/netrom.h b/include/net/netrom.h
index 443a4ffca7aa..0dad2dd5f9d7 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Declarations of NET/ROM type objects.
  *
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index 3334dbfa5aa4..36bb794f5cd6 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_NEXTHOP_H
 #define __NET_NEXTHOP_H
 
diff --git a/include/net/p8022.h b/include/net/p8022.h
index 05e41383856b..c2bacc66bfbc 100644
--- a/include/net/p8022.h
+++ b/include/net/p8022.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_P8022_H
 #define _NET_P8022_H
 struct datalink_proto *
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index e80edd8879ef..13b23f3ed69a 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_PKT_CLS_H
 #define __NET_PKT_CLS_H
 
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 259bc191ba59..b3869f97d37d 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_PKT_SCHED_H
 #define __NET_PKT_SCHED_H
 
diff --git a/include/net/pptp.h b/include/net/pptp.h
index 92e9f1fe2628..383e25ca53a7 100644
--- a/include/net/pptp.h
+++ b/include/net/pptp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_PPTP_H
 #define _NET_PPTP_H
 
diff --git a/include/net/psample.h b/include/net/psample.h
index 8888b0e1a82e..9b80f814ab04 100644
--- a/include/net/psample.h
+++ b/include/net/psample.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_PSAMPLE_H
 #define __NET_PSAMPLE_H
 
diff --git a/include/net/psnap.h b/include/net/psnap.h
index 78db4cc1306a..7cb0c8ab4171 100644
--- a/include/net/psnap.h
+++ b/include/net/psnap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_PSNAP_H
 #define _NET_PSNAP_H
 
diff --git a/include/net/rawv6.h b/include/net/rawv6.h
index 4addc5c988e0..53d86b6055e8 100644
--- a/include/net/rawv6.h
+++ b/include/net/rawv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_RAWV6_H
 #define _NET_RAWV6_H
 
diff --git a/include/net/red.h b/include/net/red.h
index 208e718e16b9..9a9347710701 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_SCHED_RED_H
 #define __NET_SCHED_RED_H
 
diff --git a/include/net/rose.h b/include/net/rose.h
index 50811fe2c585..04b72681f2ab 100644
--- a/include/net/rose.h
+++ b/include/net/rose.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Declarations of Rose type objects.
  *
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 21837ca68ecc..7b938fbeebc1 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_RTNETLINK_H
 #define __NET_RTNETLINK_H
 
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 135f5a2dd931..1b33a6c8b477 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_SCHED_GENERIC_H
 #define __NET_SCHED_GENERIC_H
 
diff --git a/include/net/scm.h b/include/net/scm.h
index 142ea9e7a6d0..903771c8d4e3 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_NET_SCM_H
 #define __LINUX_NET_SCM_H
 
diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h
index 031bf16d1521..d7d2495f83c2 100644
--- a/include/net/secure_seq.h
+++ b/include/net/secure_seq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_SECURE_SEQ
 #define _NET_SECURE_SEQ
 
diff --git a/include/net/smc.h b/include/net/smc.h
index 12d26358ad9f..8381d163fefa 100644
--- a/include/net/smc.h
+++ b/include/net/smc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h
index aecd30308d50..0054b3a9b923 100644
--- a/include/net/sock_reuseport.h
+++ b/include/net/sock_reuseport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SOCK_REUSEPORT_H
 #define _SOCK_REUSEPORT_H
 
diff --git a/include/net/stp.h b/include/net/stp.h
index 3af174d70d9e..2914e6d53490 100644
--- a/include/net/stp.h
+++ b/include/net/stp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_STP_H
 #define _NET_STP_H
 
diff --git a/include/net/tc_act/tc_connmark.h b/include/net/tc_act/tc_connmark.h
index 59b515d32bb4..1f4cb477bb5d 100644
--- a/include/net/tc_act/tc_connmark.h
+++ b/include/net/tc_act/tc_connmark.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_CONNMARK_H
 #define __NET_TC_CONNMARK_H
 
diff --git a/include/net/tc_act/tc_csum.h b/include/net/tc_act/tc_csum.h
index 3248beaf16b0..781f3433a0be 100644
--- a/include/net/tc_act/tc_csum.h
+++ b/include/net/tc_act/tc_csum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_CSUM_H
 #define __NET_TC_CSUM_H
 
diff --git a/include/net/tc_act/tc_defact.h b/include/net/tc_act/tc_defact.h
index d47f040a3bdf..d7ba0402a732 100644
--- a/include/net/tc_act/tc_defact.h
+++ b/include/net/tc_act/tc_defact.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_DEF_H
 #define __NET_TC_DEF_H
 
diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h
index 41afe1ce7b16..e82d93346b63 100644
--- a/include/net/tc_act/tc_gact.h
+++ b/include/net/tc_act/tc_gact.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_GACT_H
 #define __NET_TC_GACT_H
 
diff --git a/include/net/tc_act/tc_ife.h b/include/net/tc_act/tc_ife.h
index 30ba459ddd34..ba6667125bcd 100644
--- a/include/net/tc_act/tc_ife.h
+++ b/include/net/tc_act/tc_ife.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_IFE_H
 #define __NET_TC_IFE_H
 
diff --git a/include/net/tc_act/tc_ipt.h b/include/net/tc_act/tc_ipt.h
index 31309766e379..4225fcb1c6ba 100644
--- a/include/net/tc_act/tc_ipt.h
+++ b/include/net/tc_act/tc_ipt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_IPT_H
 #define __NET_TC_IPT_H
 
diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h
index 604bc31e23ab..b2dbbfaefd22 100644
--- a/include/net/tc_act/tc_mirred.h
+++ b/include/net/tc_act/tc_mirred.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_MIR_H
 #define __NET_TC_MIR_H
 
diff --git a/include/net/tc_act/tc_nat.h b/include/net/tc_act/tc_nat.h
index 56681a320612..c14407160812 100644
--- a/include/net/tc_act/tc_nat.h
+++ b/include/net/tc_act/tc_nat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_NAT_H
 #define __NET_TC_NAT_H
 
diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h
index a46c3f2ace70..227a6f1d02f4 100644
--- a/include/net/tc_act/tc_pedit.h
+++ b/include/net/tc_act/tc_pedit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_PED_H
 #define __NET_TC_PED_H
 
diff --git a/include/net/tc_act/tc_sample.h b/include/net/tc_act/tc_sample.h
index 89e9305be880..524cee4f4c81 100644
--- a/include/net/tc_act/tc_sample.h
+++ b/include/net/tc_act/tc_sample.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_TC_SAMPLE_H
 #define __NET_TC_SAMPLE_H
 
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 276f9760ab56..c4f5caaf3778 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TRANSP_V6_H
 #define _TRANSP_V6_H
 
diff --git a/include/net/tso.h b/include/net/tso.h
index 9a56c39e6d0a..7e166a570349 100644
--- a/include/net/tso.h
+++ b/include/net/tso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TSO_H
 #define _TSO_H
 
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 10cce0dd4450..b95a6927c718 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_UDP_TUNNEL_H
 #define __NET_UDP_TUNNEL_H
 
diff --git a/include/net/udplite.h b/include/net/udplite.h
index b7a18f63d86d..81bdbf97319b 100644
--- a/include/net/udplite.h
+++ b/include/net/udplite.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Definitions for the UDP-Lite (RFC 3828) code.
  */
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 4e3876dde295..13223396dc64 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_VXLAN_H
 #define __NET_VXLAN_H 1
 
diff --git a/include/net/wext.h b/include/net/wext.h
index 454ff763eeba..e51f067fdb3a 100644
--- a/include/net/wext.h
+++ b/include/net/wext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_WEXT_H
 #define __NET_WEXT_H
 
diff --git a/include/net/x25.h b/include/net/x25.h
index 2609b57bd459..ed1acc3044ac 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Declarations of X.25 Packet Layer type objects.
  *
diff --git a/include/net/x25device.h b/include/net/x25device.h
index 1fa08b49f1c2..cf749efca24d 100644
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _X25DEVICE_H
 #define _X25DEVICE_H
 
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index f002a2c5e33c..e015e164bac0 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NET_XFRM_H
 #define _NET_XFRM_H
 
diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
index 429f46fb61e4..9c689868eb4d 100644
--- a/include/ras/ras_event.h
+++ b/include/ras/ras_event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ras
 #define TRACE_INCLUDE_FILE ras_event
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 2d878596b1e0..c369703fcd69 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDMA_NETLINK_H
 #define _RDMA_NETLINK_H
 
diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
index 303ba1118a4d..8a6acd054e4e 100644
--- a/include/scsi/osd_attributes.h
+++ b/include/scsi/osd_attributes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OSD_ATTRIBUTES_H__
 #define __OSD_ATTRIBUTES_H__
 
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index a1e1930b7a87..cb85eddb47ea 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains public constants and structures used by
  * the SCSI initiator code.
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 3d3f8b342e05..7fb57e905526 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_CMND_H
 #define _SCSI_SCSI_CMND_H
 
diff --git a/include/scsi/scsi_common.h b/include/scsi/scsi_common.h
index 20bf7eaef05a..731ac09ed231 100644
--- a/include/scsi/scsi_common.h
+++ b/include/scsi/scsi_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Functions used by both the SCSI initiator code and the SCSI target code.
  */
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index 56710e03101c..04e0679767f6 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DBG_H
 #define _SCSI_SCSI_DBG_H
 
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 67c5a9f223f7..571ddb49b926 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DEVICE_H
 #define _SCSI_SCSI_DEVICE_H
 
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index 36b03013d629..3575693bb628 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DEVINFO_H
 #define _SCSI_SCSI_DEVINFO_H
 /*
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index a5534ccad859..fae8b465233e 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DRIVER_H
 #define _SCSI_SCSI_DRIVER_H
 
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 64d30d80dadb..2b7e227960e1 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_EH_H
 #define _SCSI_SCSI_EH_H
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 0a804b1a4726..a8b7bf879ced 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_HOST_H
 #define _SCSI_SCSI_HOST_H
 
diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h
index 8d19d1d233c3..5101e987c0ef 100644
--- a/include/scsi/scsi_ioctl.h
+++ b/include/scsi/scsi_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_IOCTL_H
 #define _SCSI_IOCTL_H 
 
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index 8c285d9a06d8..1c41dbcfcb35 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains public constants and structures used by
  * both the SCSI initiator and the SCSI target code.
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
index e0afa445ee4e..b06f28c74908 100644
--- a/include/scsi/scsi_request.h
+++ b/include/scsi/scsi_request.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_REQUEST_H
 #define _SCSI_SCSI_REQUEST_H
 
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 5b416debf101..e192a0caa850 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_TCQ_H
 #define _SCSI_SCSI_TCQ_H
 
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index a23304b7fb2e..62895b405933 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCSI_TRANSPORT_SAS_H
 #define SCSI_TRANSPORT_SAS_H
 
diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h
index 56ae198acc73..d22df12584f9 100644
--- a/include/scsi/scsi_transport_srp.h
+++ b/include/scsi/scsi_transport_srp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCSI_TRANSPORT_SRP_H
 #define SCSI_TRANSPORT_SRP_H
 
diff --git a/include/scsi/scsicam.h b/include/scsi/scsicam.h
index 24ede474752e..57c729254569 100644
--- a/include/scsi/scsicam.h
+++ b/include/scsi/scsicam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * scsicam.h - SCSI CAM support functions, use for HDIO_GETGEO, etc.
  *
diff --git a/include/scsi/sg.h b/include/scsi/sg.h
index 20bc71c3e0b8..f91bcca604e4 100644
--- a/include/scsi/sg.h
+++ b/include/scsi/sg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_GENERIC_H
 #define _SCSI_GENERIC_H
 
diff --git a/include/sound/aci.h b/include/sound/aci.h
index ee639d355ef0..6ebbd4223f12 100644
--- a/include/sound/aci.h
+++ b/include/sound/aci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ACI_H_
 #define _ACI_H_
 
diff --git a/include/sound/alc5623.h b/include/sound/alc5623.h
index 422c97d43df3..0ebb0f6fce54 100644
--- a/include/sound/alc5623.h
+++ b/include/sound/alc5623.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INCLUDE_SOUND_ALC5623_H
 #define _INCLUDE_SOUND_ALC5623_H
 struct alc5623_platform_data {
diff --git a/include/sound/hda_chmap.h b/include/sound/hda_chmap.h
index babd445c7505..e508f3192294 100644
--- a/include/sound/hda_chmap.h
+++ b/include/sound/hda_chmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * For multichannel support
  */
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index 5ab972e116ec..a94f5b6f92ac 100644
--- a/include/sound/hda_i915.h
+++ b/include/sound/hda_i915.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HD-Audio helpers to sync with i915 driver
  */
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
index 15fc6daf9096..2ab39fb52d7a 100644
--- a/include/sound/hda_register.h
+++ b/include/sound/hda_register.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HD-audio controller (Azalia) registers and helpers
  *
diff --git a/include/sound/hda_regmap.h b/include/sound/hda_regmap.h
index ca64f0f50b45..5141f8ffbb12 100644
--- a/include/sound/hda_regmap.h
+++ b/include/sound/hda_regmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HD-audio regmap helpers
  */
diff --git a/include/sound/hda_verbs.h b/include/sound/hda_verbs.h
index f89cd5ee1c7a..2a8573a00ea6 100644
--- a/include/sound/hda_verbs.h
+++ b/include/sound/hda_verbs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HD-audio codec verbs
  */
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 96546b30e900..d8afd8a5bd76 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * HD-audio core stuff
  */
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h
index 8660a7f10851..ca00130cb028 100644
--- a/include/sound/hdaudio_ext.h
+++ b/include/sound/hdaudio_ext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_HDAUDIO_EXT_H
 #define __SOUND_HDAUDIO_EXT_H
 
diff --git a/include/sound/l3.h b/include/sound/l3.h
index 1471da22adad..b6f58072237a 100644
--- a/include/sound/l3.h
+++ b/include/sound/l3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _L3_H_
 #define _L3_H_ 1
 
diff --git a/include/sound/pcm_drm_eld.h b/include/sound/pcm_drm_eld.h
index 93357b25d2e2..28a55a8beb28 100644
--- a/include/sound/pcm_drm_eld.h
+++ b/include/sound/pcm_drm_eld.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_PCM_DRM_ELD_H
 #define __SOUND_PCM_DRM_ELD_H
 
diff --git a/include/sound/pcm_iec958.h b/include/sound/pcm_iec958.h
index 36f023acb201..0939aa45e2fe 100644
--- a/include/sound/pcm_iec958.h
+++ b/include/sound/pcm_iec958.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_PCM_IEC958_H
 #define __SOUND_PCM_IEC958_H
 
diff --git a/include/sound/pxa2xx-lib.h b/include/sound/pxa2xx-lib.h
index 6ef629bde164..5e710d848bd3 100644
--- a/include/sound/pxa2xx-lib.h
+++ b/include/sound/pxa2xx-lib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PXA2XX_LIB_H
 #define PXA2XX_LIB_H
 
diff --git a/include/sound/s3c24xx_uda134x.h b/include/sound/s3c24xx_uda134x.h
index ffaf1f098c8e..0232b80ff486 100644
--- a/include/sound/s3c24xx_uda134x.h
+++ b/include/sound/s3c24xx_uda134x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _S3C24XX_UDA134X_H_
 #define _S3C24XX_UDA134X_H_ 1
 
diff --git a/include/sound/snd_wavefront.h b/include/sound/snd_wavefront.h
index cd0bab1ef6f1..6231eb57361f 100644
--- a/include/sound/snd_wavefront.h
+++ b/include/sound/snd_wavefront.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_SND_WAVEFRONT_H__
 #define __SOUND_SND_WAVEFRONT_H__
 
diff --git a/include/sound/tas5086.h b/include/sound/tas5086.h
index aac481b7db8f..a0a1c380f359 100644
--- a/include/sound/tas5086.h
+++ b/include/sound/tas5086.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SND_SOC_CODEC_TAS5086_H_
 #define _SND_SOC_CODEC_TAS5086_H_
 
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index fb87d32f5e51..cf5f3fff1f1a 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_CORE_H
 #define ISCSI_TARGET_CORE_H
 
diff --git a/include/target/iscsi/iscsi_target_stat.h b/include/target/iscsi/iscsi_target_stat.h
index c27dd471656d..b77d579e3ecf 100644
--- a/include/target/iscsi/iscsi_target_stat.h
+++ b/include/target/iscsi/iscsi_target_stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ISCSI_TARGET_STAT_H
 #define ISCSI_TARGET_STAT_H
 
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index ff1a4f4cd66d..91948bc5b185 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "iscsi_target_core.h" /* struct iscsi_cmd */
 
 struct sockaddr_storage;
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index e150e391878b..b6b3fb444a92 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_BACKEND_H
 #define TARGET_CORE_BACKEND_H
 
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 516764febeb7..f5db145e68ec 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_BASE_H
 #define TARGET_CORE_BASE_H
 
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 33d2e3e5773c..b297aa0d9651 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TARGET_CORE_FABRIC_H
 #define TARGET_CORE_FABRIC_H
 
diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h
index 6e3945f64102..d9e3d4aa3f6e 100644
--- a/include/trace/define_trace.h
+++ b/include/trace/define_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Trace files that want to automate creation of all tracepoints defined
  * in their file should include this file. The following are macros that the
diff --git a/include/trace/events/9p.h b/include/trace/events/9p.h
index 633ee9ee9778..78c5608a1648 100644
--- a/include/trace/events/9p.h
+++ b/include/trace/events/9p.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM 9p
 
diff --git a/include/trace/events/alarmtimer.h b/include/trace/events/alarmtimer.h
index ae4f358dd8e9..13483c7ca70b 100644
--- a/include/trace/events/alarmtimer.h
+++ b/include/trace/events/alarmtimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM alarmtimer
 
diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h
index 9130dd5a184a..ccd1a3bdff46 100644
--- a/include/trace/events/asoc.h
+++ b/include/trace/events/asoc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM asoc
 
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index daf749138ff8..2cbd6e42ad83 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM bcache
 
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 1fd7ff1a46f7..81b43f5bdf23 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM block
 
diff --git a/include/trace/events/bpf.h b/include/trace/events/bpf.h
index 52c8425d144b..cc749d7099fb 100644
--- a/include/trace/events/bpf.h
+++ b/include/trace/events/bpf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM bpf
 
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index dc1d0df91e0b..32d0c1fe2bfa 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM btrfs
 
diff --git a/include/trace/events/cgroup.h b/include/trace/events/cgroup.h
index c226f50e88fa..d74722c2ac8b 100644
--- a/include/trace/events/cgroup.h
+++ b/include/trace/events/cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM cgroup
 
diff --git a/include/trace/events/cma.h b/include/trace/events/cma.h
index d7cd961720a7..5017a8829270 100644
--- a/include/trace/events/cma.h
+++ b/include/trace/events/cma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM cma
 
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
index 0a18ab6483ff..6074eff3d766 100644
--- a/include/trace/events/compaction.h
+++ b/include/trace/events/compaction.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM compaction
 
diff --git a/include/trace/events/context_tracking.h b/include/trace/events/context_tracking.h
index ce8007cf29cf..0aa6fd68fdf9 100644
--- a/include/trace/events/context_tracking.h
+++ b/include/trace/events/context_tracking.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM context_tracking
 
diff --git a/include/trace/events/cpuhp.h b/include/trace/events/cpuhp.h
index 996953db91d7..fe1d6e8cd99d 100644
--- a/include/trace/events/cpuhp.h
+++ b/include/trace/events/cpuhp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM cpuhp
 
diff --git a/include/trace/events/devlink.h b/include/trace/events/devlink.h
index 09f1df228f2c..44acfbca1266 100644
--- a/include/trace/events/devlink.h
+++ b/include/trace/events/devlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if IS_ENABLED(CONFIG_NET_DEVLINK)
 
 #undef TRACE_SYSTEM
diff --git a/include/trace/events/dma_fence.h b/include/trace/events/dma_fence.h
index 1157cb4c3c6f..d61bfddcc621 100644
--- a/include/trace/events/dma_fence.h
+++ b/include/trace/events/dma_fence.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM dma_fence
 
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 9c3bc3883d2f..4d0e3af4e561 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ext4
 
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 5d216f7fb05a..7ab40491485b 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM f2fs
 
diff --git a/include/trace/events/fib.h b/include/trace/events/fib.h
index 833cfcb6750d..81b7e985bb45 100644
--- a/include/trace/events/fib.h
+++ b/include/trace/events/fib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM fib
 
diff --git a/include/trace/events/fib6.h b/include/trace/events/fib6.h
index d60096cddb2a..d46e24702765 100644
--- a/include/trace/events/fib6.h
+++ b/include/trace/events/fib6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM fib6
 
diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h
index 63a7680347cb..d1faf3597b9d 100644
--- a/include/trace/events/filelock.h
+++ b/include/trace/events/filelock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Events for filesystem locks
  *
diff --git a/include/trace/events/filemap.h b/include/trace/events/filemap.h
index ff91325b8123..ee05db7ee8d2 100644
--- a/include/trace/events/filemap.h
+++ b/include/trace/events/filemap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM filemap
 
diff --git a/include/trace/events/fs_dax.h b/include/trace/events/fs_dax.h
index fbc4a06f7310..8a8df5423dca 100644
--- a/include/trace/events/fs_dax.h
+++ b/include/trace/events/fs_dax.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM fs_dax
 
diff --git a/include/trace/events/fsi.h b/include/trace/events/fsi.h
index 697ee6678892..92e5e89e52ed 100644
--- a/include/trace/events/fsi.h
+++ b/include/trace/events/fsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM fsi
diff --git a/include/trace/events/fsi_master_gpio.h b/include/trace/events/fsi_master_gpio.h
index 11b36c119048..f95cf3264bf9 100644
--- a/include/trace/events/fsi_master_gpio.h
+++ b/include/trace/events/fsi_master_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM fsi_master_gpio
diff --git a/include/trace/events/gpio.h b/include/trace/events/gpio.h
index 2da73b92d47e..5c189a22c489 100644
--- a/include/trace/events/gpio.h
+++ b/include/trace/events/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM gpio
 
diff --git a/include/trace/events/hswadsp.h b/include/trace/events/hswadsp.h
index 0f78bbb02002..939d7a09d73f 100644
--- a/include/trace/events/hswadsp.h
+++ b/include/trace/events/hswadsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hswadsp
 
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
index 04f58acda8e8..dd4db334bd63 100644
--- a/include/trace/events/huge_memory.h
+++ b/include/trace/events/huge_memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM huge_memory
 
diff --git a/include/trace/events/intel-sst.h b/include/trace/events/intel-sst.h
index edc24e6dea1b..0416e91f8181 100644
--- a/include/trace/events/intel-sst.h
+++ b/include/trace/events/intel-sst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM intel-sst
 
diff --git a/include/trace/events/intel_ish.h b/include/trace/events/intel_ish.h
index 92f7d5b23177..e6d7ff55ee8c 100644
--- a/include/trace/events/intel_ish.h
+++ b/include/trace/events/intel_ish.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM intel_ish
 
diff --git a/include/trace/events/iommu.h b/include/trace/events/iommu.h
index 99254ed89212..72b4582322ff 100644
--- a/include/trace/events/iommu.h
+++ b/include/trace/events/iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * iommu trace points
  *
diff --git a/include/trace/events/ipi.h b/include/trace/events/ipi.h
index 834a7362a610..0be71dad6ec0 100644
--- a/include/trace/events/ipi.h
+++ b/include/trace/events/ipi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ipi
 
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index 1c41b74581f7..eeceafaaea4c 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM irq
 
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index c1d1f3eb242d..2310b259329f 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM jbd2
 
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index 6b2e154fd23a..285feeadac39 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kmem
 
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index dcffedfac431..e4b0b8e09932 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_MAIN_H
 
diff --git a/include/trace/events/libata.h b/include/trace/events/libata.h
index 2fbbf990e4b3..ab69434e2329 100644
--- a/include/trace/events/libata.h
+++ b/include/trace/events/libata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM libata
 
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index 2821b86de63b..d7512129a324 100644
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM lock
 
diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h
index 70f02149808c..1391ada0da3b 100644
--- a/include/trace/events/mce.h
+++ b/include/trace/events/mce.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mce
 
diff --git a/include/trace/events/mdio.h b/include/trace/events/mdio.h
index 00d85f5f54e4..0f241cbe00ab 100644
--- a/include/trace/events/mdio.h
+++ b/include/trace/events/mdio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mdio
 
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index 539b25a76111..bcf4daccd6be 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM migrate
 
diff --git a/include/trace/events/mmc.h b/include/trace/events/mmc.h
index f30a99ac65b6..200f731be557 100644
--- a/include/trace/events/mmc.h
+++ b/include/trace/events/mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mmc
 
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index fec6291a6703..648cbf603736 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/node.h>
 #include <linux/mmzone.h>
 #include <linux/compaction.h>
diff --git a/include/trace/events/module.h b/include/trace/events/module.h
index 28c45997e451..097485c73c01 100644
--- a/include/trace/events/module.h
+++ b/include/trace/events/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Because linux/module.h has tracepoints in the header, and ftrace.h
  * used to include this file, define_trace.h includes linux/module.h
diff --git a/include/trace/events/napi.h b/include/trace/events/napi.h
index 0b9e5136a2a3..f3a12566bed0 100644
--- a/include/trace/events/napi.h
+++ b/include/trace/events/napi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM napi
 
diff --git a/include/trace/events/net.h b/include/trace/events/net.h
index 49cc7c3de252..9c886739246a 100644
--- a/include/trace/events/net.h
+++ b/include/trace/events/net.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM net
 
diff --git a/include/trace/events/nilfs2.h b/include/trace/events/nilfs2.h
index c7805818fcc6..84ee31fc04cc 100644
--- a/include/trace/events/nilfs2.h
+++ b/include/trace/events/nilfs2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM nilfs2
 
diff --git a/include/trace/events/nmi.h b/include/trace/events/nmi.h
index da3ee96b8d03..18e0411398ba 100644
--- a/include/trace/events/nmi.h
+++ b/include/trace/events/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM nmi
 
diff --git a/include/trace/events/oom.h b/include/trace/events/oom.h
index c3c19d47ae5e..26a11e4a2c36 100644
--- a/include/trace/events/oom.h
+++ b/include/trace/events/oom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM oom
 
diff --git a/include/trace/events/page_isolation.h b/include/trace/events/page_isolation.h
index 8738a78e6bf4..bf4c42e8d6a4 100644
--- a/include/trace/events/page_isolation.h
+++ b/include/trace/events/page_isolation.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM page_isolation
 
diff --git a/include/trace/events/page_ref.h b/include/trace/events/page_ref.h
index 81001f8b0db4..5d2ea93956ce 100644
--- a/include/trace/events/page_ref.h
+++ b/include/trace/events/page_ref.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM page_ref
 
diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h
index ce0803b8d05f..8fd1babae761 100644
--- a/include/trace/events/pagemap.h
+++ b/include/trace/events/pagemap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM pagemap
 
diff --git a/include/trace/events/percpu.h b/include/trace/events/percpu.h
index ad34b1bae047..df112a64f6c9 100644
--- a/include/trace/events/percpu.h
+++ b/include/trace/events/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM percpu
 
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 54e3aad32806..908977d69783 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM power
 
diff --git a/include/trace/events/power_cpu_migrate.h b/include/trace/events/power_cpu_migrate.h
index f76dd4de625e..e338810639b4 100644
--- a/include/trace/events/power_cpu_migrate.h
+++ b/include/trace/events/power_cpu_migrate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM power
 
diff --git a/include/trace/events/printk.h b/include/trace/events/printk.h
index f350170059c6..13d405b2fd8b 100644
--- a/include/trace/events/printk.h
+++ b/include/trace/events/printk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM printk
 
diff --git a/include/trace/events/random.h b/include/trace/events/random.h
index 4684de344c5d..0560dfc33f1c 100644
--- a/include/trace/events/random.h
+++ b/include/trace/events/random.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM random
 
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index e91ae1f2290d..59d40c454aa0 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM rcu
 
diff --git a/include/trace/events/regulator.h b/include/trace/events/regulator.h
index 37502a7404b7..b70583c32c08 100644
--- a/include/trace/events/regulator.h
+++ b/include/trace/events/regulator.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM regulator
 
diff --git a/include/trace/events/rpm.h b/include/trace/events/rpm.h
index 33f85b68c22c..26927a560eab 100644
--- a/include/trace/events/rpm.h
+++ b/include/trace/events/rpm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM rpm
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 3c8b7f625670..da10aa21bebc 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sched
 
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index 9a9b3e2550af..f624969a4f14 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM scsi
 
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index 39a8a430d90f..86582923d51c 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM signal
 
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index 0c68ae22da22..9e92f22eb086 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM skb
 
diff --git a/include/trace/events/sock.h b/include/trace/events/sock.h
index 779abb91df81..6d31c0520ef3 100644
--- a/include/trace/events/sock.h
+++ b/include/trace/events/sock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sock
 
diff --git a/include/trace/events/spi.h b/include/trace/events/spi.h
index f9f702b6ae2e..277bb9d25779 100644
--- a/include/trace/events/spi.h
+++ b/include/trace/events/spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM spi
 
diff --git a/include/trace/events/spmi.h b/include/trace/events/spmi.h
index 62f005ef4c7e..8b60efe18ba6 100644
--- a/include/trace/events/spmi.h
+++ b/include/trace/events/spmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM spmi
 
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 8a707f8a41c3..25a7739514cd 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sunrpc
 
diff --git a/include/trace/events/sunvnet.h b/include/trace/events/sunvnet.h
index eb080b267e55..8d444f1bb10d 100644
--- a/include/trace/events/sunvnet.h
+++ b/include/trace/events/sunvnet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sunvnet
 
diff --git a/include/trace/events/swiotlb.h b/include/trace/events/swiotlb.h
index 288c0c54a2b4..705be43b71ab 100644
--- a/include/trace/events/swiotlb.h
+++ b/include/trace/events/swiotlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM swiotlb
 
diff --git a/include/trace/events/syscalls.h b/include/trace/events/syscalls.h
index b35533b94277..44a3259ed4a5 100644
--- a/include/trace/events/syscalls.h
+++ b/include/trace/events/syscalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM raw_syscalls
 #undef TRACE_INCLUDE_FILE
diff --git a/include/trace/events/target.h b/include/trace/events/target.h
index 50fea660c0f8..914a872dd343 100644
--- a/include/trace/events/target.h
+++ b/include/trace/events/target.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM target
 
diff --git a/include/trace/events/task.h b/include/trace/events/task.h
index 2cca6cd342d8..64d160930b0d 100644
--- a/include/trace/events/task.h
+++ b/include/trace/events/task.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM task
 
diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h
index 6cde5b3514c2..466c09d882ad 100644
--- a/include/trace/events/thermal.h
+++ b/include/trace/events/thermal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM thermal
 
diff --git a/include/trace/events/thermal_power_allocator.h b/include/trace/events/thermal_power_allocator.h
index 5afae8fe3795..1c8fb95544f9 100644
--- a/include/trace/events/thermal_power_allocator.h
+++ b/include/trace/events/thermal_power_allocator.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM thermal_power_allocator
 
diff --git a/include/trace/events/thp.h b/include/trace/events/thp.h
index b59b065e9e5d..d7fbbe551841 100644
--- a/include/trace/events/thp.h
+++ b/include/trace/events/thp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM thp
 
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 80787eafba99..16e305e69f34 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM timer
 
diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h
index 9d14b1992108..b4d8e7dc38f8 100644
--- a/include/trace/events/tlb.h
+++ b/include/trace/events/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM tlb
 
diff --git a/include/trace/events/udp.h b/include/trace/events/udp.h
index a664bb940973..336fe272889f 100644
--- a/include/trace/events/udp.h
+++ b/include/trace/events/udp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM udp
 
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
index b3a85b3df53e..83860de120e3 100644
--- a/include/trace/events/v4l2.h
+++ b/include/trace/events/v4l2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM v4l2
 
diff --git a/include/trace/events/vb2.h b/include/trace/events/vb2.h
index c1a22416ed05..a40146dea83d 100644
--- a/include/trace/events/vb2.h
+++ b/include/trace/events/vb2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM vb2
 
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 27e8a5c77579..dc23cf032403 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM vmscan
 
diff --git a/include/trace/events/vsock_virtio_transport_common.h b/include/trace/events/vsock_virtio_transport_common.h
index b7f1d6278280..6782213778be 100644
--- a/include/trace/events/vsock_virtio_transport_common.h
+++ b/include/trace/events/vsock_virtio_transport_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM vsock
 
diff --git a/include/trace/events/wbt.h b/include/trace/events/wbt.h
index 3c518e455680..b048694070e2 100644
--- a/include/trace/events/wbt.h
+++ b/include/trace/events/wbt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM wbt
 
diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h
index bf0e18ba6cfb..2f057a494d93 100644
--- a/include/trace/events/workqueue.h
+++ b/include/trace/events/workqueue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM workqueue
 
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 9b57f014d79d..2e1fa7910306 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM writeback
 
diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h
index 4e16c43fba10..810e94160c12 100644
--- a/include/trace/events/xdp.h
+++ b/include/trace/events/xdp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM xdp
 
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
index 1b4fed72f573..a7c8b452aab9 100644
--- a/include/trace/events/xen.h
+++ b/include/trace/events/xen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM xen
 
diff --git a/include/trace/perf.h b/include/trace/perf.h
index 04fe68bbe767..e4b249821684 100644
--- a/include/trace/perf.h
+++ b/include/trace/perf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM_VAR
 
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 7434f0f5d3f6..dc8ac27d27c1 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TRACE_SYSCALL_H
 #define _TRACE_SYSCALL_H
 
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index 3976fa1f6e42..bfda803b0a09 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Stage 1 of the trace events.
  *
diff --git a/include/video/aty128.h b/include/video/aty128.h
index f0851e3bb7cc..cb6721ebfd34 100644
--- a/include/video/aty128.h
+++ b/include/video/aty128.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*  $Id: aty128.h,v 1.1 1999/10/12 11:00:40 geert Exp $
  *  linux/drivers/video/aty128.h
  *  Register definitions for ATI Rage128 boards
diff --git a/include/video/edid.h b/include/video/edid.h
index 0cb8b2a92b75..f614371e9116 100644
--- a/include/video/edid.h
+++ b/include/video/edid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __linux_video_edid_h__
 #define __linux_video_edid_h__
 
diff --git a/include/video/iga.h b/include/video/iga.h
index 5a48f16578f8..83ca18492e00 100644
--- a/include/video/iga.h
+++ b/include/video/iga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: iga.h,v 1.2 1999/09/11 22:56:31 zaitcev Exp $
  * iga1682.h: Sparc/PCI iga1682 driver constants etc.
  *
diff --git a/include/video/mbxfb.h b/include/video/mbxfb.h
index ea18961fc5e7..35921cb6d1e5 100644
--- a/include/video/mbxfb.h
+++ b/include/video/mbxfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MBX_FB_H
 #define __MBX_FB_H
 
diff --git a/include/video/newport.h b/include/video/newport.h
index de980a3b60c9..bcbb3d1b6bf9 100644
--- a/include/video/newport.h
+++ b/include/video/newport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* $Id: newport.h,v 1.5 1999/08/04 06:01:51 ulfc Exp $
  *
  * newport.h: Defines and register layout for NEWPORT graphics
diff --git a/include/video/radeon.h b/include/video/radeon.h
index 56b188abfb54..005eae19ec09 100644
--- a/include/video/radeon.h
+++ b/include/video/radeon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RADEON_H
 #define _RADEON_H
 
diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
index 2605fa8adb9c..f706b0fed399 100644
--- a/include/video/sh_mobile_lcdc.h
+++ b/include/video/sh_mobile_lcdc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SH_MOBILE_LCDC_H__
 #define __ASM_SH_MOBILE_LCDC_H__
 
diff --git a/include/video/sh_mobile_meram.h b/include/video/sh_mobile_meram.h
index 062e6e7f955c..f4efc21e205d 100644
--- a/include/video/sh_mobile_meram.h
+++ b/include/video/sh_mobile_meram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __VIDEO_SH_MOBILE_MERAM_H__
 #define __VIDEO_SH_MOBILE_MERAM_H__
 
diff --git a/include/video/sstfb.h b/include/video/sstfb.h
index c449eace12cd..28384f354773 100644
--- a/include/video/sstfb.h
+++ b/include/video/sstfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/drivers/video/sstfb.h -- voodoo graphics frame buffer
  *
diff --git a/include/video/tdfx.h b/include/video/tdfx.h
index 69674b94bb68..6144633acc47 100644
--- a/include/video/tdfx.h
+++ b/include/video/tdfx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TDFX_H
 #define _TDFX_H
 
diff --git a/include/video/trident.h b/include/video/trident.h
index b6ce19d1b61b..5ccc0d6a070c 100644
--- a/include/video/trident.h
+++ b/include/video/trident.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef TRIDENTFB_DEBUG
 #define TRIDENTFB_DEBUG 0
diff --git a/include/video/udlfb.h b/include/video/udlfb.h
index 3ea90aea5617..1252a7a89bc0 100644
--- a/include/video/udlfb.h
+++ b/include/video/udlfb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef UDLFB_H
 #define UDLFB_H
 
diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h
index 30f53625415c..8d2a3bfc8dac 100644
--- a/include/video/uvesafb.h
+++ b/include/video/uvesafb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UVESAFB_H
 #define _UVESAFB_H
 
diff --git a/include/xen/arm/hypervisor.h b/include/xen/arm/hypervisor.h
index 44b587b49904..2982571f7cc1 100644
--- a/include/xen/arm/hypervisor.h
+++ b/include/xen/arm/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_XEN_HYPERVISOR_H
 #define _ASM_ARM_XEN_HYPERVISOR_H
 
diff --git a/include/xen/arm/interface.h b/include/xen/arm/interface.h
index 75d596862892..c3eada2642aa 100644
--- a/include/xen/arm/interface.h
+++ b/include/xen/arm/interface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * Guest OS interface to ARM Xen.
  *
diff --git a/include/xen/arm/page-coherent.h b/include/xen/arm/page-coherent.h
index b1b4ecdf329a..59a260712a56 100644
--- a/include/xen/arm/page-coherent.h
+++ b/include/xen/arm/page-coherent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_XEN_PAGE_COHERENT_H
 #define _ASM_ARM_XEN_PAGE_COHERENT_H
 
diff --git a/include/xen/arm/page.h b/include/xen/arm/page.h
index 6adc2a955340..f77dcbcba5a6 100644
--- a/include/xen/arm/page.h
+++ b/include/xen/arm/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_ARM_XEN_PAGE_H
 #define _ASM_ARM_XEN_PAGE_H
 
diff --git a/include/xen/balloon.h b/include/xen/balloon.h
index 8906361bb50c..4914b93a23f2 100644
--- a/include/xen/balloon.h
+++ b/include/xen/balloon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * Xen balloon functionality
  */
diff --git a/include/xen/events.h b/include/xen/events.h
index f442ca5fcd82..c3e6bc643a7b 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_EVENTS_H
 #define _XEN_EVENTS_H
 
diff --git a/include/xen/features.h b/include/xen/features.h
index 27292d4d2a6a..e4cb464386a9 100644
--- a/include/xen/features.h
+++ b/include/xen/features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * features.h
  *
diff --git a/include/xen/hvc-console.h b/include/xen/hvc-console.h
index b62dfef15f61..d8949d5e227d 100644
--- a/include/xen/hvc-console.h
+++ b/include/xen/hvc-console.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef XEN_HVC_CONSOLE_H
 #define XEN_HVC_CONSOLE_H
 
diff --git a/include/xen/hvm.h b/include/xen/hvm.h
index 63917a8de3b0..0b15f8cb17fc 100644
--- a/include/xen/hvm.h
+++ b/include/xen/hvm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Simple wrappers around HVM functions */
 #ifndef XEN_HVM_H__
 #define XEN_HVM_H__
diff --git a/include/xen/interface/event_channel.h b/include/xen/interface/event_channel.h
index 7e6acef5415b..45650c9a06d5 100644
--- a/include/xen/interface/event_channel.h
+++ b/include/xen/interface/event_channel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * event_channel.h
  *
diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h
index 6ad3d110bb81..9b0eb574f0d1 100644
--- a/include/xen/interface/features.h
+++ b/include/xen/interface/features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * features.h
  *
diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h
index 8b8cfadf7833..5e40041c7e95 100644
--- a/include/xen/interface/io/blkif.h
+++ b/include/xen/interface/io/blkif.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * blkif.h
  *
diff --git a/include/xen/interface/io/console.h b/include/xen/interface/io/console.h
index e563de70f784..85ca8b02695a 100644
--- a/include/xen/interface/io/console.h
+++ b/include/xen/interface/io/console.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * console.h
  *
diff --git a/include/xen/interface/io/protocols.h b/include/xen/interface/io/protocols.h
index 545a14ba0bb3..6a89dc1bf225 100644
--- a/include/xen/interface/io/protocols.h
+++ b/include/xen/interface/io/protocols.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __XEN_PROTOCOLS_H__
 #define __XEN_PROTOCOLS_H__
 
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index e547088ceb0e..3f40501fc60b 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * ring.h
  *
diff --git a/include/xen/interface/io/xenbus.h b/include/xen/interface/io/xenbus.h
index 9fda532973a5..aaf2951b1cce 100644
--- a/include/xen/interface/io/xenbus.h
+++ b/include/xen/interface/io/xenbus.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*****************************************************************************
  * xenbus.h
  *
diff --git a/include/xen/interface/io/xs_wire.h b/include/xen/interface/io/xs_wire.h
index 794deb07eb53..1517c7e93a3a 100644
--- a/include/xen/interface/io/xs_wire.h
+++ b/include/xen/interface/io/xs_wire.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Details of the "wire" protocol between Xen Store Daemon and client
  * library or guest kernel.
diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
index 9aa8988cb340..583dd93b3016 100644
--- a/include/xen/interface/memory.h
+++ b/include/xen/interface/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * memory.h
  *
diff --git a/include/xen/interface/nmi.h b/include/xen/interface/nmi.h
index b47d9d06fade..73d9b0a2974e 100644
--- a/include/xen/interface/nmi.h
+++ b/include/xen/interface/nmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * nmi.h
  *
diff --git a/include/xen/interface/version.h b/include/xen/interface/version.h
index 145f12f9ecec..8772b552c006 100644
--- a/include/xen/interface/version.h
+++ b/include/xen/interface/version.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * version.h
  *
diff --git a/include/xen/interface/xenpmu.h b/include/xen/interface/xenpmu.h
index 139efc91bceb..ad603eab24b3 100644
--- a/include/xen/interface/xenpmu.h
+++ b/include/xen/interface/xenpmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __XEN_PUBLIC_XENPMU_H__
 #define __XEN_PUBLIC_XENPMU_H__
 
diff --git a/include/xen/page.h b/include/xen/page.h
index 064194f6453e..df6d6b6ec66e 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_PAGE_H
 #define _XEN_PAGE_H
 
diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h
index 5c52b5583917..e51e7cb71a85 100644
--- a/include/xen/platform_pci.h
+++ b/include/xen/platform_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_PLATFORM_PCI_H
 #define _XEN_PLATFORM_PCI_H
 
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
index ed2de363da33..5e4b83f83dbc 100644
--- a/include/xen/swiotlb-xen.h
+++ b/include/xen/swiotlb-xen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SWIOTLB_XEN_H
 #define __LINUX_SWIOTLB_XEN_H
 
diff --git a/include/xen/tmem.h b/include/xen/tmem.h
index 3930a90045ff..c80bafe31f14 100644
--- a/include/xen/tmem.h
+++ b/include/xen/tmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_TMEM_H
 #define _XEN_TMEM_H
 
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 218e6aae5433..a95e65ec83c3 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef INCLUDE_XEN_OPS_H
 #define INCLUDE_XEN_OPS_H
 
diff --git a/include/xen/xen.h b/include/xen/xen.h
index 28c59ca529d7..9d4340c907d1 100644
--- a/include/xen/xen.h
+++ b/include/xen/xen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XEN_XEN_H
 #define _XEN_XEN_H
 
diff --git a/init/Makefile b/init/Makefile
index c4fb45525d08..1dbb23787290 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/init/calibrate.c b/init/calibrate.c
index ce635dccf3d9..f3831272f113 100644
--- a/init/calibrate.c
+++ b/init/calibrate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* calibrate.c: default delay calibration
  *
  * Excised from init/main.c
diff --git a/init/do_mounts.h b/init/do_mounts.h
index 282d65bfd674..5b05c8f93f47 100644
--- a/init/do_mounts.h
+++ b/init/do_mounts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/kernel.h>
 #include <linux/blkdev.h>
 #include <linux/init.h>
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index a1000ca29fc9..53d4f0f326e7 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Many of the syscalls used in this file expect some of the arguments
  * to be __user pointers not __kernel pointers.  To limit the sparse
diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
index 8cb6db54285b..3f733c760a8c 100644
--- a/init/do_mounts_md.c
+++ b/init/do_mounts_md.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Many of the syscalls used in this file expect some of the arguments
  * to be __user pointers not __kernel pointers.  To limit the sparse
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index dd4104c9aa12..99e0b649fc0e 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Many of the syscalls used in this file expect some of the arguments
  * to be __user pointers not __kernel pointers.  To limit the sparse
diff --git a/init/init_task.c b/init/init_task.c
index 66787e30a419..9325fee7dc82 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init_task.h>
 #include <linux/export.h>
 #include <linux/mqueue.h>
diff --git a/init/initramfs.c b/init/initramfs.c
index e64bf7b4c1ca..7046feffef6b 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Many of the syscalls used in this file expect some of the arguments
  * to be __user pointers not __kernel pointers.  To limit the sparse
diff --git a/ipc/Makefile b/ipc/Makefile
index 9c200e544434..c2558c430f51 100644
--- a/ipc/Makefile
+++ b/ipc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux ipc.
 #
diff --git a/ipc/compat.c b/ipc/compat.c
index b17bf93d7b49..5ab8225923af 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 32 bit compatibility code for System V IPC
  *
diff --git a/ipc/msg.c b/ipc/msg.c
index 06be5a9adfa4..bce7ac1c8099 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/ipc/msg.c
  * Copyright (C) 1992 Krishna Balasubramanian
diff --git a/ipc/namespace.c b/ipc/namespace.c
index fc850c526698..f59a89966f92 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/ipc/namespace.c
  * Copyright (C) 2006 Pavel Emelyanov <xemul@openvz.org> OpenVZ, SWsoft Inc.
diff --git a/ipc/sem.c b/ipc/sem.c
index f7385bce5fd3..b2698ebdcb31 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/ipc/sem.c
  * Copyright (C) 1992 Krishna Balasubramanian
diff --git a/ipc/shm.c b/ipc/shm.c
index badac463e2c8..bd652755d32c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/ipc/shm.c
  * Copyright (C) 1992, 1993 Krishna Balasubramanian
diff --git a/ipc/syscall.c b/ipc/syscall.c
index 667022746ca5..26b45db2e007 100644
--- a/ipc/syscall.c
+++ b/ipc/syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sys_ipc() is the old de-multiplexer for the SysV IPC calls.
  *
diff --git a/ipc/util.c b/ipc/util.c
index 78755873cc5b..79b30eee32cd 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/ipc/util.c
  * Copyright (C) 1992 Krishna Balasubramanian
diff --git a/ipc/util.h b/ipc/util.h
index b21297bc11eb..579112d90016 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/ipc/util.h
  * Copyright (C) 1999 Christoph Rohland
diff --git a/kernel/Makefile b/kernel/Makefile
index ed470aac53da..172d151d429c 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #
diff --git a/kernel/acct.c b/kernel/acct.c
index 5e72af29ab73..6670fbd3e466 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/kernel/acct.c
  *
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 011d46e5f73f..d4b050d9a66e 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "audit.h"
 #include <linux/fsnotify_backend.h>
 #include <linux/namei.h>
diff --git a/kernel/bounds.c b/kernel/bounds.c
index e1d1d1952bfa..c373e887c066 100644
--- a/kernel/bounds.c
+++ b/kernel/bounds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generate definitions needed by the preprocessor.
  * This code generates raw asm output which is post-processed
diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
index 897daa005b23..af3ab6164ff5 100644
--- a/kernel/bpf/Makefile
+++ b/kernel/bpf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y := core.o
 
 obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o
diff --git a/kernel/capability.c b/kernel/capability.c
index f97fe77ceb88..1e1c0236f55b 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/capability.c
  *
diff --git a/kernel/cgroup/Makefile b/kernel/cgroup/Makefile
index ce693ccb8c58..ae448f7632cc 100644
--- a/kernel/cgroup/Makefile
+++ b/kernel/cgroup/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y := cgroup.o namespace.o cgroup-v1.o
 
 obj-$(CONFIG_CGROUP_FREEZER) += freezer.o
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index 5151ff256c29..bf54ade001be 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CGROUP_INTERNAL_H
 #define __CGROUP_INTERNAL_H
 
diff --git a/kernel/cgroup/debug.c b/kernel/cgroup/debug.c
index f661b4cc5efd..5f780d8f6a9d 100644
--- a/kernel/cgroup/debug.c
+++ b/kernel/cgroup/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Debug controller
  *
diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c
index 66129eb4371d..b05f1dd58a62 100644
--- a/kernel/cgroup/namespace.c
+++ b/kernel/cgroup/namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "cgroup-internal.h"
 
 #include <linux/sched/task.h>
diff --git a/kernel/dma.c b/kernel/dma.c
index 6c6262f86c17..3506fc34a712 100644
--- a/kernel/dma.c
+++ b/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c.
  *
diff --git a/kernel/elfcore.c b/kernel/elfcore.c
index e556751d15d9..fc482c8e0bd8 100644
--- a/kernel/elfcore.c
+++ b/kernel/elfcore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/elf.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
diff --git a/kernel/events/Makefile b/kernel/events/Makefile
index 2925188f50ea..3c022e33c109 100644
--- a/kernel/events/Makefile
+++ b/kernel/events/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE)
 endif
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index 843e97047335..09b1537ae06c 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KERNEL_EVENTS_INTERNAL_H
 #define _KERNEL_EVENTS_INTERNAL_H
 
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index 6873bb3e6b7e..0975b0268545 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Handling of different ABIs (personalities).
  *
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 3f409968e466..83f830acbb5f 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/futex_compat.c
  *
diff --git a/kernel/gcov/Makefile b/kernel/gcov/Makefile
index 752d6486b67e..c6c50e5c680e 100644
--- a/kernel/gcov/Makefile
+++ b/kernel/gcov/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -DSRCTREE='"$(srctree)"' -DOBJTREE='"$(objtree)"'
 
 obj-y := base.o fs.o
diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index c51a49c9be70..9c7c8d5c18f2 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This code maintains a list of active profiling data structures.
  *
diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c
index edf67c493a8e..6e40ff6be083 100644
--- a/kernel/gcov/fs.c
+++ b/kernel/gcov/fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This code exports profiling data as debugfs files to userspace.
  *
diff --git a/kernel/gcov/gcc_3_4.c b/kernel/gcov/gcc_3_4.c
index 27bc88a35013..1e32e66c9563 100644
--- a/kernel/gcov/gcc_3_4.c
+++ b/kernel/gcov/gcc_3_4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This code provides functions to handle gcc's profiling data format
  *  introduced with gcc 3.4. Future versions of gcc may change the gcov
diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index 46a18e72bce6..ca5e5c0ef853 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  This code provides functions to handle gcc's profiling data format
  *  introduced with gcc 4.7.
diff --git a/kernel/gcov/gcov.h b/kernel/gcov/gcov.h
index 92c8e22a29ed..de118ad4a024 100644
--- a/kernel/gcov/gcov.h
+++ b/kernel/gcov/gcov.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Profiling infrastructure declarations.
  *
diff --git a/kernel/groups.c b/kernel/groups.c
index 434f6665f187..e357bc800111 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Supplementary group IDs
  */
diff --git a/kernel/irq/Makefile b/kernel/irq/Makefile
index 1970cafe8f2a..ed15d142694b 100644
--- a/kernel/irq/Makefile
+++ b/kernel/irq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-y := irqdesc.o handle.o manage.o spurious.o resend.o chip.o dummychip.o devres.o
 obj-$(CONFIG_IRQ_TIMINGS) += timings.o
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index d69bd77252a7..e12d35108225 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2016 Thomas Gleixner.
  * Copyright (C) 2016-2017 Christoph Hellwig.
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index d30a0dd5cc02..befa671fba64 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/irq/autoprobe.c
  *
diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h
index e75e29e4434a..17f05ef8f575 100644
--- a/kernel/irq/debug.h
+++ b/kernel/irq/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Debugging printout:
  */
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index a4aa39009f0d..44ed5f8c8759 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * IRQ subsystem internal functions and variables:
  *
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 6ca054a3f91d..86ae0eb80b53 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/irq.h>
 #include <linux/interrupt.h>
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 6376b4a598d3..c010cc0daf79 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/irq/proc.c
  *
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index b86886beee4f..1d08f45135c2 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/irq/resend.c
  *
diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h
index 320579d89091..e43795cd2ccf 100644
--- a/kernel/irq/settings.h
+++ b/kernel/irq/settings.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Internal header to deal with irq_desc->status which will be renamed
  * to irq_desc->settings.
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 061ba7eed4ed..987d7bca4864 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/irq/spurious.c
  *
diff --git a/kernel/kcmp.c b/kernel/kcmp.c
index 055bb2962a0b..a0e3d7a0e8b8 100644
--- a/kernel/kcmp.c
+++ b/kernel/kcmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/syscalls.h>
 #include <linux/fdtable.h>
diff --git a/kernel/kcov.c b/kernel/kcov.c
index 3f693a0f6f3e..fc6af9e1308b 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) "kcov: " fmt
 
 #define DISABLE_BRANCH_PROFILING
diff --git a/kernel/kexec_internal.h b/kernel/kexec_internal.h
index 50dfcb039a41..48aaf2ac0d0d 100644
--- a/kernel/kexec_internal.h
+++ b/kernel/kexec_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_KEXEC_INTERNAL_H
 #define LINUX_KEXEC_INTERNAL_H
 
diff --git a/kernel/livepatch/core.h b/kernel/livepatch/core.h
index c74f24c47837..a351601d7f76 100644
--- a/kernel/livepatch/core.h
+++ b/kernel/livepatch/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIVEPATCH_CORE_H
 #define _LIVEPATCH_CORE_H
 
diff --git a/kernel/livepatch/patch.h b/kernel/livepatch/patch.h
index 0db227170c36..e72d8250d04b 100644
--- a/kernel/livepatch/patch.h
+++ b/kernel/livepatch/patch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIVEPATCH_PATCH_H
 #define _LIVEPATCH_PATCH_H
 
diff --git a/kernel/livepatch/transition.h b/kernel/livepatch/transition.h
index ce09b326546c..0f6e27c481f9 100644
--- a/kernel/livepatch/transition.h
+++ b/kernel/livepatch/transition.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIVEPATCH_TRANSITION_H
 #define _LIVEPATCH_TRANSITION_H
 
diff --git a/kernel/locking/Makefile b/kernel/locking/Makefile
index 760158d9d98d..392c7f23af76 100644
--- a/kernel/locking/Makefile
+++ b/kernel/locking/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Any varying coverage in these files is non-deterministic
 # and is generally not a function of system call inputs.
 KCOV_INSTRUMENT		:= n
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index 1da4669d57a7..d459d624ba2a 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * kernel/lockdep_internals.h
  *
diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c
index 68d9e267ccd4..ad69bbc9bd28 100644
--- a/kernel/locking/lockdep_proc.c
+++ b/kernel/locking/lockdep_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kernel/lockdep_proc.c
  *
diff --git a/kernel/locking/mcs_spinlock.h b/kernel/locking/mcs_spinlock.h
index 6a385aabcce7..f046b7ce9dd6 100644
--- a/kernel/locking/mcs_spinlock.h
+++ b/kernel/locking/mcs_spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MCS lock defines
  *
diff --git a/kernel/locking/mutex-debug.h b/kernel/locking/mutex-debug.h
index 4174417d5309..1edd3f45a4ec 100644
--- a/kernel/locking/mutex-debug.h
+++ b/kernel/locking/mutex-debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Mutexes: blocking mutual exclusion locks
  *
diff --git a/kernel/locking/mutex.h b/kernel/locking/mutex.h
index 6ebc1902f779..1c2287d3fa71 100644
--- a/kernel/locking/mutex.h
+++ b/kernel/locking/mutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Mutexes: blocking mutual exclusion locks
  *
diff --git a/kernel/locking/osq_lock.c b/kernel/locking/osq_lock.c
index a74ee6abd039..6ef600aa0f47 100644
--- a/kernel/locking/osq_lock.c
+++ b/kernel/locking/osq_lock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/percpu.h>
 #include <linux/sched.h>
 #include <linux/osq_lock.h>
diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h
index 43555681c40b..15b6a39366c6 100644
--- a/kernel/locking/qspinlock_paravirt.h
+++ b/kernel/locking/qspinlock_paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GEN_PV_LOCK_SLOWPATH
 #error "do not include this file"
 #endif
diff --git a/kernel/locking/rtmutex-debug.c b/kernel/locking/rtmutex-debug.c
index f4a74e78d467..fd4fe1f5b458 100644
--- a/kernel/locking/rtmutex-debug.c
+++ b/kernel/locking/rtmutex-debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * RT-Mutexes: blocking mutual exclusion locks with PI support
  *
diff --git a/kernel/locking/rtmutex-debug.h b/kernel/locking/rtmutex-debug.h
index 5078c6ddf4a5..fc549713bba3 100644
--- a/kernel/locking/rtmutex-debug.h
+++ b/kernel/locking/rtmutex-debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * RT-Mutexes: blocking mutual exclusion locks with PI support
  *
diff --git a/kernel/locking/rtmutex.h b/kernel/locking/rtmutex.h
index 5c253caffe91..732f96abf462 100644
--- a/kernel/locking/rtmutex.h
+++ b/kernel/locking/rtmutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * RT-Mutexes: blocking mutual exclusion locks with PI support
  *
diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h
index 7453be0485a5..124e98ca0b17 100644
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * RT Mutexes: blocking mutual exclusion locks with PI support
  *
diff --git a/kernel/locking/rwsem-spinlock.c b/kernel/locking/rwsem-spinlock.c
index 0848634c5512..a7ffb2a96ede 100644
--- a/kernel/locking/rwsem-spinlock.c
+++ b/kernel/locking/rwsem-spinlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* rwsem-spinlock.c: R/W semaphores: contention handling functions for
  * generic spinlock implementation
  *
diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c
index 1fefe6dcafd7..e795908f3607 100644
--- a/kernel/locking/rwsem-xadd.c
+++ b/kernel/locking/rwsem-xadd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* rwsem.c: R/W semaphores: contention handling functions
  *
  * Written by David Howells (dhowells@redhat.com).
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index 4d48b1c4870d..a6c76a4832b4 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* kernel/rwsem.c: R/W semaphores, public implementation
  *
  * Written by David Howells (dhowells@redhat.com).
diff --git a/kernel/locking/rwsem.h b/kernel/locking/rwsem.h
index a699f4048ba1..a883b8f1fdc6 100644
--- a/kernel/locking/rwsem.h
+++ b/kernel/locking/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The owner field of the rw_semaphore structure will be set to
  * RWSEM_READ_OWNED when a reader grabs the lock. A writer will clear
diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c
index 4b082b5cac9e..6e40fdfba326 100644
--- a/kernel/locking/spinlock.c
+++ b/kernel/locking/spinlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (2004) Linus Torvalds
  *
diff --git a/kernel/power/Makefile b/kernel/power/Makefile
index eb4f717705ba..a3f79f0eef36 100644
--- a/kernel/power/Makefile
+++ b/kernel/power/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-$(CONFIG_PM_DEBUG)	:= -DDEBUG
 
diff --git a/kernel/power/autosleep.c b/kernel/power/autosleep.c
index 9012ecf7b814..41e83a779e19 100644
--- a/kernel/power/autosleep.c
+++ b/kernel/power/autosleep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kernel/power/autosleep.c
  *
diff --git a/kernel/power/console.c b/kernel/power/console.c
index 0e781798b0b3..fcdf0e14a47d 100644
--- a/kernel/power/console.c
+++ b/kernel/power/console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions for saving/restoring console.
  *
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 1d2d761e3c25..f29cd178df90 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/suspend.h>
 #include <linux/suspend_ioctls.h>
 #include <linux/utsname.h>
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 50f25cb370c6..7381d49a44db 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/power/process.c - Functions for starting/stopping processes on 
  *                           suspend transitions.
diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c
index 1896386e16bb..dfba59be190b 100644
--- a/kernel/power/wakelock.c
+++ b/kernel/power/wakelock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kernel/power/wakelock.c
  *
diff --git a/kernel/printk/braille.c b/kernel/printk/braille.c
index 61d41ca41844..1d21ebacfdb8 100644
--- a/kernel/printk/braille.c
+++ b/kernel/printk/braille.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
diff --git a/kernel/printk/braille.h b/kernel/printk/braille.h
index 749a6756843a..123154f86304 100644
--- a/kernel/printk/braille.h
+++ b/kernel/printk/braille.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PRINTK_BRAILLE_H
 #define _PRINTK_BRAILLE_H
 
diff --git a/kernel/printk/console_cmdline.h b/kernel/printk/console_cmdline.h
index 2ca4a8b5fe57..11f19c466af5 100644
--- a/kernel/printk/console_cmdline.h
+++ b/kernel/printk/console_cmdline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CONSOLE_CMDLINE_H
 #define _CONSOLE_CMDLINE_H
 
diff --git a/kernel/range.c b/kernel/range.c
index 82cfc285b046..d84de6766472 100644
--- a/kernel/range.c
+++ b/kernel/range.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Range add and subtract
  */
diff --git a/kernel/rcu/Makefile b/kernel/rcu/Makefile
index 13c0fc852767..020e8b6a644b 100644
--- a/kernel/rcu/Makefile
+++ b/kernel/rcu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Any varying coverage in these files is non-deterministic
 # and is generally not a function of system call inputs.
 KCOV_INSTRUMENT := n
diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile
index 78f54932ea1d..a9ee16bbc693 100644
--- a/kernel/sched/Makefile
+++ b/kernel/sched/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE)
 endif
diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c
index de6d7f4dfcb5..a43df5193538 100644
--- a/kernel/sched/autogroup.c
+++ b/kernel/sched/autogroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "sched.h"
 
 #include <linux/proc_fs.h>
diff --git a/kernel/sched/autogroup.h b/kernel/sched/autogroup.h
index ce40c810cd5c..27cd22b89824 100644
--- a/kernel/sched/autogroup.h
+++ b/kernel/sched/autogroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_SCHED_AUTOGROUP
 
 #include <linux/kref.h>
diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index cc873075c3bd..2ddaec40956f 100644
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic wait-for-completion handler;
  *
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index f95ab29a45d0..44ab32a4fab6 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cgroup.h>
 #include <linux/slab.h>
 #include <linux/percpu.h>
diff --git a/kernel/sched/cpuacct.h b/kernel/sched/cpuacct.h
index ba72807c73d4..a8358a57a316 100644
--- a/kernel/sched/cpuacct.h
+++ b/kernel/sched/cpuacct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_CGROUP_CPUACCT
 
 extern void cpuacct_charge(struct task_struct *tsk, u64 cputime);
diff --git a/kernel/sched/cpudeadline.h b/kernel/sched/cpudeadline.h
index f7da8c55bba0..b010d26e108e 100644
--- a/kernel/sched/cpudeadline.h
+++ b/kernel/sched/cpudeadline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CPUDL_H
 #define _LINUX_CPUDL_H
 
diff --git a/kernel/sched/cpupri.h b/kernel/sched/cpupri.h
index 63cbb9ca0496..bab050019071 100644
--- a/kernel/sched/cpupri.h
+++ b/kernel/sched/cpupri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_CPUPRI_H
 #define _LINUX_CPUPRI_H
 
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 0191ec7667c3..4ae5c1ea90e2 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Deadline Scheduling Class (SCHED_DEADLINE)
  *
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d3f3094856fe..5c09ddf8c832 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Completely Fair Scheduling (CFS) Class (SCHED_NORMAL/SCHED_BATCH)
  *
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 319ed0e8a347..9552fd5854bf 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Only give sleepers 50% of their service deficit. This allows
  * them to run sooner, but does not allow tons of sleepers to
diff --git a/kernel/sched/idle_task.c b/kernel/sched/idle_task.c
index 0c00172db63e..d518664cce4f 100644
--- a/kernel/sched/idle_task.c
+++ b/kernel/sched/idle_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "sched.h"
 
 /*
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index f14716a3522f..89a989e4d758 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kernel/sched/loadavg.c
  *
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 0af5ca9e3e3f..3c96c80e0992 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Real-Time Scheduling Class (mapped to the SCHED_FIFO and SCHED_RR
  * policies)
diff --git a/kernel/sched/sched-pelt.h b/kernel/sched/sched-pelt.h
index cd200d16529e..a26473674fb7 100644
--- a/kernel/sched/sched-pelt.h
+++ b/kernel/sched/sched-pelt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Generated by Documentation/scheduler/sched-pelt; do not modify. */
 
 static const u32 runnable_avg_yN_inv[] = {
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 14db76cd496f..3b448ba82225 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <linux/sched.h>
 #include <linux/sched/autogroup.h>
diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index 87e2c9f0c33e..940b1fa1d2ce 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/slab.h>
 #include <linux/fs.h>
diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index d5710651043b..baf500d12b7c 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifdef CONFIG_SCHEDSTATS
 
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c
index 9f69fb630853..45caf90b24cd 100644
--- a/kernel/sched/stop_task.c
+++ b/kernel/sched/stop_task.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "sched.h"
 
 /*
diff --git a/kernel/sched/swait.c b/kernel/sched/swait.c
index 2227e183e202..9ff1555341ed 100644
--- a/kernel/sched/swait.c
+++ b/kernel/sched/swait.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sched/signal.h>
 #include <linux/swait.h>
 
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index f1cf4f306a82..6798276d29af 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Scheduler topology setup/handling methods
  */
diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 0ae832e13b97..418a1c045933 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/seccomp.c
  *
diff --git a/kernel/smpboot.h b/kernel/smpboot.h
index 485b81cfab34..34dd3d7ba40b 100644
--- a/kernel/smpboot.h
+++ b/kernel/smpboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SMPBOOT_H
 #define SMPBOOT_H
 
diff --git a/kernel/sys.c b/kernel/sys.c
index 9aebc2935013..524a4cb9bbe2 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/kernel/sys.c
  *
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 8acef8576ce9..b5189762d275 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/linkage.h>
 #include <linux/errno.h>
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 58ea8c03662e..e8c0dab4fd65 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/stat.h>
 #include <linux/sysctl.h>
 #include "../fs/xfs/xfs_sysctl.h"
diff --git a/kernel/task_work.c b/kernel/task_work.c
index 836a72a66fba..5718b3ea202a 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/spinlock.h>
 #include <linux/task_work.h>
 #include <linux/tracehook.h>
diff --git a/kernel/time/Makefile b/kernel/time/Makefile
index 938dbf33ef49..f1e46f338a9c 100644
--- a/kernel/time/Makefile
+++ b/kernel/time/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y += time.o timer.o hrtimer.o
 obj-y += timekeeping.o ntp.o clocksource.o jiffies.o timer_list.o
 obj-y += timeconv.o timecounter.o alarmtimer.o
diff --git a/kernel/time/itimer.c b/kernel/time/itimer.c
index 2ef98a02376a..f26acef5d7b4 100644
--- a/kernel/time/itimer.c
+++ b/kernel/time/itimer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/itimer.c
  *
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index edf19cc53140..99e03bec68e4 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NTP state machine interfaces and logic.
  *
diff --git a/kernel/time/ntp_internal.h b/kernel/time/ntp_internal.h
index d8a7c11fa71a..0a53e6ea47b1 100644
--- a/kernel/time/ntp_internal.h
+++ b/kernel/time/ntp_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_NTP_INTERNAL_H
 #define _LINUX_NTP_INTERNAL_H
 
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 8585ad6e472a..5b117110b55b 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement CPU time clocks for the POSIX clock interface.
  */
diff --git a/kernel/time/posix-timers.h b/kernel/time/posix-timers.h
index fb303c3be4d3..151e28f5bf30 100644
--- a/kernel/time/posix-timers.h
+++ b/kernel/time/posix-timers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define TIMER_RETRY 1
 
 struct k_clock {
diff --git a/kernel/time/tick-broadcast-hrtimer.c b/kernel/time/tick-broadcast-hrtimer.c
index a7bb8f33ae07..58045eb976c3 100644
--- a/kernel/time/tick-broadcast-hrtimer.c
+++ b/kernel/time/tick-broadcast-hrtimer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/kernel/time/tick-broadcast-hrtimer.c
  * This file emulates a local clock event device
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index be0ac01f2e12..f8e1845aa464 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * tick internal variable and functions used by low/high res code
  */
diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h
index 075444e3d48e..954b43dbf21c 100644
--- a/kernel/time/tick-sched.h
+++ b/kernel/time/tick-sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TICK_SCHED_H
 #define _TICK_SCHED_H
 
diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h
index d0914676d4c5..c9f9af339914 100644
--- a/kernel/time/timekeeping.h
+++ b/kernel/time/timekeeping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KERNEL_TIME_TIMEKEEPING_H
 #define _KERNEL_TIME_TIMEKEEPING_H
 /*
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h
index 9a18f121f399..fdbeeb02dde9 100644
--- a/kernel/time/timekeeping_internal.h
+++ b/kernel/time/timekeeping_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TIMEKEEPING_INTERNAL_H
 #define _TIMEKEEPING_INTERNAL_H
 /*
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 90f2701d92a7..19a15b2f1190 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 # Do not instrument the tracer itself:
 
diff --git a/kernel/trace/power-traces.c b/kernel/trace/power-traces.c
index 0c7dee221dca..21bb161c2316 100644
--- a/kernel/trace/power-traces.c
+++ b/kernel/trace/power-traces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Power trace points
  *
diff --git a/kernel/trace/rpm-traces.c b/kernel/trace/rpm-traces.c
index 4b3b5eaf94d1..25dec0b00280 100644
--- a/kernel/trace/rpm-traces.c
+++ b/kernel/trace/rpm-traces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Power trace points
  *
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 652c682707cd..401b0639116f 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _LINUX_KERNEL_TRACE_H
 #define _LINUX_KERNEL_TRACE_H
diff --git a/kernel/trace/trace_benchmark.c b/kernel/trace/trace_benchmark.c
index 16a8cf02eee9..79f838a75077 100644
--- a/kernel/trace/trace_benchmark.c
+++ b/kernel/trace/trace_benchmark.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/kthread.h>
diff --git a/kernel/trace/trace_benchmark.h b/kernel/trace/trace_benchmark.h
index ebdbfc2f2a64..be1d86ff753d 100644
--- a/kernel/trace/trace_benchmark.h
+++ b/kernel/trace/trace_benchmark.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM benchmark
 
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index 4d8fdf3184dc..4ad967453b6f 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * unlikely profiler
  *
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index adcdbbeae010..e954ae3d82c0 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file defines the trace event structures that go into the ring
  * buffer directly. They are created via macros so that changes for them
diff --git a/kernel/trace/trace_events_filter_test.h b/kernel/trace/trace_events_filter_test.h
index bfd4dba0d603..39d7ef4f57cb 100644
--- a/kernel/trace/trace_events_filter_test.h
+++ b/kernel/trace/trace_events_filter_test.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM test
 
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 39aa7aa66468..548e62eb5c46 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * trace_export.c - export basic ftrace utilities to user space
  *
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index a0910c0cdf2e..27f7ad12c4b1 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ring buffer based function tracer
  *
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index b8f1f54731af..23c0b0cb5fb9 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  * Function graph tracer.
diff --git a/kernel/trace/trace_kdb.c b/kernel/trace/trace_kdb.c
index 57149bce6aad..d953c163a079 100644
--- a/kernel/trace/trace_kdb.c
+++ b/kernel/trace/trace_kdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * kdb helper for dumping the ftrace buffer
  *
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index dca78fc48439..b0388016b687 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Memory mapped I/O tracing
  *
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index 49f61fe96a6b..50523f953a5d 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * nop tracer
  *
diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h
index fabc49bcd493..dbba03ed96de 100644
--- a/kernel/trace/trace_output.h
+++ b/kernel/trace/trace_output.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRACE_EVENTS_H
 #define __TRACE_EVENTS_H
 
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index b341c02730be..e288168661e1 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * trace context switch
  *
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 0c331978b1a6..7d461dcd4831 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * trace task wakeup timings
  *
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index b17ec642793b..cd70eb5df38e 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Include in trace.c */
 
 #include <uapi/linux/sched/types.h>
diff --git a/kernel/trace/trace_selftest_dynamic.c b/kernel/trace/trace_selftest_dynamic.c
index b4c475a0a48b..8cda06a10d66 100644
--- a/kernel/trace/trace_selftest_dynamic.c
+++ b/kernel/trace/trace_selftest_dynamic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "trace.h"
 
 int DYN_FTRACE_TEST_NAME(void)
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 49cb41412eec..719a52a4064a 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2008 Steven Rostedt <srostedt@redhat.com>
  *
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 413ff108fbd0..75bf1bcb4a8a 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Infrastructure for statistic tracing (histogram output).
  *
diff --git a/kernel/trace/trace_stat.h b/kernel/trace/trace_stat.h
index 8f03914b9a6a..76d30b4ebe83 100644
--- a/kernel/trace/trace_stat.h
+++ b/kernel/trace/trace_stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRACE_STAT_H
 #define __TRACE_STAT_H
 
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 696afe72d3b1..a2a642f2c64f 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <trace/syscall.h>
 #include <trace/events/syscalls.h>
 #include <linux/syscalls.h>
diff --git a/kernel/trace/tracing_map.h b/kernel/trace/tracing_map.h
index 618838f5f30a..ab0ca77331d0 100644
--- a/kernel/trace/tracing_map.h
+++ b/kernel/trace/tracing_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRACING_MAP_H
 #define __TRACING_MAP_H
 
diff --git a/kernel/uid16.c b/kernel/uid16.c
index 5c2dc5b2bf4f..ce74a4901d2b 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Wrapper functions for 16bit uid back compatibility. All nicely tied
  *	together in the faint hope we can take the out in five years time.
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 6bcb854909c0..c8e06703e44c 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Detect hard and soft lockups on a system
  *
diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 71a62ceacdc8..4583feb66393 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Detect hard lockups on a system
  *
diff --git a/kernel/workqueue_internal.h b/kernel/workqueue_internal.h
index 8635417c587b..efdd72e15794 100644
--- a/kernel/workqueue_internal.h
+++ b/kernel/workqueue_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * kernel/workqueue_internal.h
  *
diff --git a/lib/842/842.h b/lib/842/842.h
index e0a122bc1cdb..7b1f581a2907 100644
--- a/lib/842/842.h
+++ b/lib/842/842.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __842_H__
 #define __842_H__
diff --git a/lib/842/842_debugfs.h b/lib/842/842_debugfs.h
index e7f3bffaf255..277e403e8701 100644
--- a/lib/842/842_debugfs.h
+++ b/lib/842/842_debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __842_DEBUGFS_H__
 #define __842_DEBUGFS_H__
diff --git a/lib/Makefile b/lib/Makefile
index dafa79613fb4..b8f2c16fccaa 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for some libs needed in the kernel.
 #
diff --git a/lib/argv_split.c b/lib/argv_split.c
index e927ed0e18a8..5c35752a9414 100644
--- a/lib/argv_split.c
+++ b/lib/argv_split.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Helper function for splitting a string into an argv-like array.
  */
diff --git a/lib/audit.c b/lib/audit.c
index b8fb5ee81e26..5004bff928a7 100644
--- a/lib/audit.c
+++ b/lib/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/audit.h>
diff --git a/lib/bcd.c b/lib/bcd.c
index 40d304efe272..7e4750b6e801 100644
--- a/lib/bcd.c
+++ b/lib/bcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bcd.h>
 #include <linux/export.h>
 
diff --git a/lib/bug.c b/lib/bug.c
index a6a1137d06db..1e094408c893 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
   Generic support for BUG()
 
diff --git a/lib/bust_spinlocks.c b/lib/bust_spinlocks.c
index f8e0e5367398..ab719495e2cb 100644
--- a/lib/bust_spinlocks.c
+++ b/lib/bust_spinlocks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * lib/bust_spinlocks.c
  *
diff --git a/lib/check_signature.c b/lib/check_signature.c
index 6b49797980c4..43a7301da7ab 100644
--- a/lib/check_signature.c
+++ b/lib/check_signature.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/io.h>
 #include <linux/export.h>
 
diff --git a/lib/clz_tab.c b/lib/clz_tab.c
index 7287b4a991a7..b6118d09f244 100644
--- a/lib/clz_tab.c
+++ b/lib/clz_tab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 const unsigned char __clz_tab[] = {
 	0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
 	    5, 5, 5, 5, 5, 5, 5, 5,
diff --git a/lib/compat_audit.c b/lib/compat_audit.c
index 873f75b640ab..77eabad69b4a 100644
--- a/lib/compat_audit.c
+++ b/lib/compat_audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/types.h>
 #include <asm/unistd32.h>
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 8b1a1bd77539..35fe142ebb5e 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
diff --git a/lib/crc32defs.h b/lib/crc32defs.h
index 64cba2c3c700..cb275a28a750 100644
--- a/lib/crc32defs.h
+++ b/lib/crc32defs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * There are multiple 16-bit CRC polynomials in common use, but this is
  * *the* standard CRC-32 polynomial, first popularized by Ethernet.
diff --git a/lib/ctype.c b/lib/ctype.c
index c646df91a2f7..c819fe269eb2 100644
--- a/lib/ctype.c
+++ b/lib/ctype.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/lib/ctype.c
  *
diff --git a/lib/debug_info.c b/lib/debug_info.c
index 2edbe27517ed..36daf753293c 100644
--- a/lib/debug_info.c
+++ b/lib/debug_info.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file exists solely to ensure debug information for some core
  * data structures is included in the final image even for
diff --git a/lib/dec_and_lock.c b/lib/dec_and_lock.c
index e26278576b31..347fa7ac2e8a 100644
--- a/lib/dec_and_lock.c
+++ b/lib/dec_and_lock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/spinlock.h>
 #include <linux/atomic.h>
diff --git a/lib/decompress.c b/lib/decompress.c
index 62696dff5730..857ab1af1ef3 100644
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * decompress.c
  *
diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 555c06bf20da..63b4b7eee138 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef STATIC
 #define PREBOOT
 /* Pre-boot environment: included */
diff --git a/lib/devres.c b/lib/devres.c
index 78eca713b1d9..5f2aedd58bc5 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/pci.h>
 #include <linux/io.h>
diff --git a/lib/div64.c b/lib/div64.c
index 7f345259c32f..58e2a404097e 100644
--- a/lib/div64.c
+++ b/lib/div64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2003 Bernardo Innocenti <bernie@develer.com>
  *
diff --git a/lib/dma-noop.c b/lib/dma-noop.c
index acc4190e2731..a10185b0c2d4 100644
--- a/lib/dma-noop.c
+++ b/lib/dma-noop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	lib/dma-noop.c
  *
diff --git a/lib/dma-virt.c b/lib/dma-virt.c
index 5c4f11329721..8e61a02ef9ca 100644
--- a/lib/dma-virt.c
+++ b/lib/dma-virt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	lib/dma-virt.c
  *
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index 625375e7f11f..c5edbedd364d 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Provide a default dump_stack() function for architectures
  * which don't implement their own.
diff --git a/lib/dynamic_queue_limits.c b/lib/dynamic_queue_limits.c
index f346715e2255..6a406fafb5d6 100644
--- a/lib/dynamic_queue_limits.c
+++ b/lib/dynamic_queue_limits.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dynamic byte queue limits.  See include/linux/dynamic_queue_limits.h
  *
diff --git a/lib/errseq.c b/lib/errseq.c
index 7b900c2a277a..79cc66897db4 100644
--- a/lib/errseq.c
+++ b/lib/errseq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/bug.h>
 #include <linux/atomic.h>
diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c
index 2cc1f94e03a1..7852bfff50b1 100644
--- a/lib/flex_proportions.c
+++ b/lib/flex_proportions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Floating proportions with flexible aging period
  *
diff --git a/lib/fonts/Makefile b/lib/fonts/Makefile
index e04d010cfbf5..d56f02dea83a 100644
--- a/lib/fonts/Makefile
+++ b/lib/fonts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Font handling
 
 font-objs := fonts.o
diff --git a/lib/fonts/font_10x18.c b/lib/fonts/font_10x18.c
index 6be72bb218ee..532f0ff89a96 100644
--- a/lib/fonts/font_10x18.c
+++ b/lib/fonts/font_10x18.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /********************************
  * adapted from font_sun12x22.c *
  * by Jurriaan Kalkman 06-2005  *
diff --git a/lib/fonts/font_6x10.c b/lib/fonts/font_6x10.c
index b20620904d31..09b2cc03435b 100644
--- a/lib/fonts/font_6x10.c
+++ b/lib/fonts/font_6x10.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/font.h>
 
 static const unsigned char fontdata_6x10[] = {
diff --git a/lib/fonts/font_6x11.c b/lib/fonts/font_6x11.c
index 46e86e67aa6a..d7136c33f1f0 100644
--- a/lib/fonts/font_6x11.c
+++ b/lib/fonts/font_6x11.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**********************************************/
 /*                                            */
 /*       Font file generated by rthelen       */
diff --git a/lib/fonts/font_7x14.c b/lib/fonts/font_7x14.c
index 3b7dbf9c060b..9ae5b62c8a0d 100644
--- a/lib/fonts/font_7x14.c
+++ b/lib/fonts/font_7x14.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**************************************/
 /* this file adapted from font_8x16.c */
 /* by Jurriaan Kalkman 05-2005        */
diff --git a/lib/fonts/font_8x16.c b/lib/fonts/font_8x16.c
index 00a0c67a5c7d..34292cdfaa23 100644
--- a/lib/fonts/font_8x16.c
+++ b/lib/fonts/font_8x16.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**********************************************/
 /*                                            */
 /*       Font file generated by cpi2fnt       */
diff --git a/lib/fonts/font_8x8.c b/lib/fonts/font_8x8.c
index 9f56efe2cee7..751becf3c521 100644
--- a/lib/fonts/font_8x8.c
+++ b/lib/fonts/font_8x8.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**********************************************/
 /*                                            */
 /*       Font file generated by cpi2fnt       */
diff --git a/lib/fonts/font_acorn_8x8.c b/lib/fonts/font_acorn_8x8.c
index 639e31ae1100..0ff0e85d4481 100644
--- a/lib/fonts/font_acorn_8x8.c
+++ b/lib/fonts/font_acorn_8x8.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Acorn-like font definition, with PC graphics characters */
 
 #include <linux/font.h>
diff --git a/lib/fonts/font_pearl_8x8.c b/lib/fonts/font_pearl_8x8.c
index dc6ad539ca4e..b0514c0a7445 100644
--- a/lib/fonts/font_pearl_8x8.c
+++ b/lib/fonts/font_pearl_8x8.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**********************************************/
 /*                                            */
 /*       Font file generated by cpi2fnt       */
diff --git a/lib/fonts/font_sun12x22.c b/lib/fonts/font_sun12x22.c
index d3643853c33a..955d6eee3959 100644
--- a/lib/fonts/font_sun12x22.c
+++ b/lib/fonts/font_sun12x22.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/font.h>
 
 #define FONTDATAMAX 11264
diff --git a/lib/fonts/font_sun8x16.c b/lib/fonts/font_sun8x16.c
index 268151325b83..03d71e53954a 100644
--- a/lib/fonts/font_sun8x16.c
+++ b/lib/fonts/font_sun8x16.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/font.h>
 
 #define FONTDATAMAX 4096
diff --git a/lib/gen_crc32table.c b/lib/gen_crc32table.c
index d83a372fa76f..8f26660ea10a 100644
--- a/lib/gen_crc32table.c
+++ b/lib/gen_crc32table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include "../include/generated/autoconf.h"
 #include "crc32defs.h"
diff --git a/lib/hweight.c b/lib/hweight.c
index 43273a7d83cf..7660d88fd496 100644
--- a/lib/hweight.c
+++ b/lib/hweight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/bitops.h>
 #include <asm/types.h>
diff --git a/lib/inflate.c b/lib/inflate.c
index 013a76193481..fbaf03c1748d 100644
--- a/lib/inflate.c
+++ b/lib/inflate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define DEBG(x)
 #define DEBG1(x)
 /* inflate.c -- Not copyrighted 1992 by Mark Adler
diff --git a/lib/int_sqrt.c b/lib/int_sqrt.c
index 1ef4cc344977..db0b5aa071fc 100644
--- a/lib/int_sqrt.c
+++ b/lib/int_sqrt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013 Davidlohr Bueso <davidlohr.bueso@hp.com>
  *
diff --git a/lib/iomap.c b/lib/iomap.c
index fc3dcb4b238e..541d926da95e 100644
--- a/lib/iomap.c
+++ b/lib/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the default iomap interfaces
  *
diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index 858dc1aae478..55b00de106b5 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IOMMU mmap management and range allocation functions.
  * Based almost entirely upon the powerpc iommu allocator.
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index a816f3a80625..23633c0fda4a 100644
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IOMMU helper functions for the free area management
  */
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 4bb30206b942..ac7802b0a117 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Re-map IO memory to kernel address space so that we can access it.
  * This is needed for high PCI addresses that aren't mapped in the
diff --git a/lib/irq_poll.c b/lib/irq_poll.c
index 1d6565e81030..86a709954f5a 100644
--- a/lib/irq_poll.c
+++ b/lib/irq_poll.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to interrupt-poll handling in the block layer. This
  * is similar to NAPI for network devices.
diff --git a/lib/kasprintf.c b/lib/kasprintf.c
index 7f6c506a4942..bacf7b83ccf0 100644
--- a/lib/kasprintf.c
+++ b/lib/kasprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/lib/kasprintf.c
  *
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index 720144075c1e..661a1e807bd1 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Convert integer string representation to an integer.
  * If an integer doesn't fit into specified type, -E is returned.
diff --git a/lib/kstrtox.h b/lib/kstrtox.h
index f13eeeaf441d..3b4637bcd254 100644
--- a/lib/kstrtox.h
+++ b/lib/kstrtox.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIB_KSTRTOX_H
 #define _LIB_KSTRTOX_H
 
diff --git a/lib/list_sort.c b/lib/list_sort.c
index 9e9acc37652f..85759928215b 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/bug.h>
 #include <linux/compiler.h>
diff --git a/lib/locking-selftest-hardirq.h b/lib/locking-selftest-hardirq.h
index 10d4a150b259..0d144a6d6a96 100644
--- a/lib/locking-selftest-hardirq.h
+++ b/lib/locking-selftest-hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef IRQ_DISABLE
 #undef IRQ_ENABLE
 #undef IRQ_ENTER
diff --git a/lib/locking-selftest-mutex.h b/lib/locking-selftest-mutex.h
index 68601b6f584b..7526c7746fb2 100644
--- a/lib/locking-selftest-mutex.h
+++ b/lib/locking-selftest-mutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		ML
 
diff --git a/lib/locking-selftest-rlock.h b/lib/locking-selftest-rlock.h
index 6789044f4d0e..eccab18f5584 100644
--- a/lib/locking-selftest-rlock.h
+++ b/lib/locking-selftest-rlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		RL
 
diff --git a/lib/locking-selftest-rsem.h b/lib/locking-selftest-rsem.h
index 62da886680c7..4544858f922e 100644
--- a/lib/locking-selftest-rsem.h
+++ b/lib/locking-selftest-rsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		RSL
 
diff --git a/lib/locking-selftest-rtmutex.h b/lib/locking-selftest-rtmutex.h
index e3cb83989d16..fce8714c4170 100644
--- a/lib/locking-selftest-rtmutex.h
+++ b/lib/locking-selftest-rtmutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		RTL
 
diff --git a/lib/locking-selftest-softirq.h b/lib/locking-selftest-softirq.h
index a83de2a04ace..6adde4867cb8 100644
--- a/lib/locking-selftest-softirq.h
+++ b/lib/locking-selftest-softirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef IRQ_DISABLE
 #undef IRQ_ENABLE
 #undef IRQ_ENTER
diff --git a/lib/locking-selftest-spin.h b/lib/locking-selftest-spin.h
index ccd1b4b09757..6b24d699e502 100644
--- a/lib/locking-selftest-spin.h
+++ b/lib/locking-selftest-spin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		L
 
diff --git a/lib/locking-selftest-wlock.h b/lib/locking-selftest-wlock.h
index 0815322d99ed..0bc51c8cf3c5 100644
--- a/lib/locking-selftest-wlock.h
+++ b/lib/locking-selftest-wlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		WL
 
diff --git a/lib/locking-selftest-wsem.h b/lib/locking-selftest-wsem.h
index b88c5f2dc5f0..5ef18f931c9b 100644
--- a/lib/locking-selftest-wsem.h
+++ b/lib/locking-selftest-wsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef LOCK
 #define LOCK		WSL
 
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index 2b827b8a1d8c..b5c1293ce147 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * lib/locking-selftest.c
  *
diff --git a/lib/lockref.c b/lib/lockref.c
index c4bfcb8836cd..47169ed7e964 100644
--- a/lib/lockref.c
+++ b/lib/lockref.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/lockref.h>
 
diff --git a/lib/lzo/lzodefs.h b/lib/lzo/lzodefs.h
index 6710b83ce72e..4edefd2f540c 100644
--- a/lib/lzo/lzodefs.h
+++ b/lib/lzo/lzodefs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  lzodefs.h -- architecture, OS and compiler specific defines
  *
diff --git a/lib/memweight.c b/lib/memweight.c
index e35fc8771893..94dd72ccaa7f 100644
--- a/lib/memweight.c
+++ b/lib/memweight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/bug.h>
 #include <linux/bitmap.h>
diff --git a/lib/mpi/Makefile b/lib/mpi/Makefile
index 019a68c90144..d5874a7f5ff9 100644
--- a/lib/mpi/Makefile
+++ b/lib/mpi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # MPI multiprecision maths library (from gpg)
 #
diff --git a/lib/net_utils.c b/lib/net_utils.c
index 148fc6e99ef6..af525353395d 100644
--- a/lib/net_utils.c
+++ b/lib/net_utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/string.h>
 #include <linux/if_ether.h>
 #include <linux/ctype.h>
diff --git a/lib/nlattr.c b/lib/nlattr.c
index 927c2f19f119..3d8295c85505 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NETLINK      Netlink attributes
  *
diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index 0bc0a3535a8a..46e4c749e4eb 100644
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  NMI backtrace support
  *
diff --git a/lib/nodemask.c b/lib/nodemask.c
index e42a5bf44d33..3aa454c54c0d 100644
--- a/lib/nodemask.c
+++ b/lib/nodemask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/nodemask.h>
 #include <linux/module.h>
 #include <linux/random.h>
diff --git a/lib/notifier-error-inject.h b/lib/notifier-error-inject.h
index 99b3b6fc470b..fafff5f2ac45 100644
--- a/lib/notifier-error-inject.h
+++ b/lib/notifier-error-inject.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/atomic.h>
 #include <linux/debugfs.h>
 #include <linux/notifier.h>
diff --git a/lib/once.c b/lib/once.c
index 05c8604627eb..bfb7420d0de3 100644
--- a/lib/once.c
+++ b/lib/once.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/once.h>
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 3bf4a9984f4c..c72577e472f2 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Fast batching percpu counters.
  */
diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index a93adf6dcfb2..4add700ddfe3 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
 
 raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
diff --git a/lib/raid6/recov_s390xc.c b/lib/raid6/recov_s390xc.c
index b042dac826cc..179eec900cea 100644
--- a/lib/raid6/recov_s390xc.c
+++ b/lib/raid6/recov_s390xc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * RAID-6 data recovery in dual failure mode based on the XC instruction.
  *
diff --git a/lib/raid6/s390vx.uc b/lib/raid6/s390vx.uc
index 7b45191a655f..140fa8bb5c23 100644
--- a/lib/raid6/s390vx.uc
+++ b/lib/raid6/s390vx.uc
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * raid6_vx$#.c
  *
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 2c7b60edea04..be1010bdc435 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # This is a simple Makefile to test some of the RAID-6 code
 # from userspace.
diff --git a/lib/random32.c b/lib/random32.c
index fa594b1140e6..0a90cb0e0fb6 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is a maximally equidistributed combined Tausworthe generator
  * based on code from GNU Scientific Library 1.5 (30 Jun 2004)
diff --git a/lib/rational.c b/lib/rational.c
index f0aa21c2a762..ba7443677c90 100644
--- a/lib/rational.c
+++ b/lib/rational.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * rational fractions
  *
diff --git a/lib/reciprocal_div.c b/lib/reciprocal_div.c
index 464152410c51..fcb4ce682c6f 100644
--- a/lib/reciprocal_div.c
+++ b/lib/reciprocal_div.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <asm/div64.h>
 #include <linux/reciprocal_div.h>
diff --git a/lib/refcount.c b/lib/refcount.c
index 5d0582a9480c..0eb48353abe3 100644
--- a/lib/refcount.c
+++ b/lib/refcount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Variant of atomic_t specialized for reference counts.
  *
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index cb18469e1f49..11f2ae0f9099 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * seq_buf.c
  *
diff --git a/lib/sha1.c b/lib/sha1.c
index 5a56dfd7b99d..1d96d2c02b82 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SHA1 routine optimized to do word accesses rather than byte accesses,
  * and to avoid unnecessary copies into the context array.
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
index 2fb007be0212..835cc6df2776 100644
--- a/lib/smp_processor_id.c
+++ b/lib/smp_processor_id.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * lib/smp_processor_id.c
  *
diff --git a/lib/sort.c b/lib/sort.c
index 975c6ef6fec7..d6b7a202b0b6 100644
--- a/lib/sort.c
+++ b/lib/sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * A fast, small, non-recursive O(nlog n) sort for the Linux kernel
  *
diff --git a/lib/string.c b/lib/string.c
index 9921dc202db4..5e8d410a93df 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/lib/string.c
  *
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index 7e35fc450c5b..b53e1b5d80f4 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/export.h>
 #include <linux/kasan-checks.h>
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
index a5f567747ced..60d0bbda8f5e 100644
--- a/lib/strnlen_user.c
+++ b/lib/strnlen_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/uaccess.h>
diff --git a/lib/syscall.c b/lib/syscall.c
index 2c6cd1b5c3ea..1a7077f20eae 100644
--- a/lib/syscall.c
+++ b/lib/syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ptrace.h>
 #include <linux/sched.h>
 #include <linux/sched/task_stack.h>
diff --git a/lib/ubsan.h b/lib/ubsan.h
index b2d18d4a53f5..88f23557edbe 100644
--- a/lib/ubsan.h
+++ b/lib/ubsan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIB_UBSAN_H
 #define _LIB_UBSAN_H
 
diff --git a/lib/ucs2_string.c b/lib/ucs2_string.c
index ae8d2491133c..d7e06b28de38 100644
--- a/lib/ucs2_string.c
+++ b/lib/ucs2_string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ucs2_string.h>
 #include <linux/module.h>
 
diff --git a/lib/usercopy.c b/lib/usercopy.c
index f5d9f08ee032..15e2e6fb060e 100644
--- a/lib/usercopy.c
+++ b/lib/usercopy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/uaccess.h>
 
 /* out-of-line parts */
diff --git a/lib/win_minmax.c b/lib/win_minmax.c
index c8420d404926..6bdc1cd15f76 100644
--- a/lib/win_minmax.c
+++ b/lib/win_minmax.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * lib/minmax.c: windowed min/max tracker
  *
diff --git a/mm/Makefile b/mm/Makefile
index e3ac3aeb533b..4659b93cba43 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux memory manager.
 #
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 9fedb27c6451..6aef64254203 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  bootmem - A boot-time physical memory allocator and configurator
  *
diff --git a/mm/cma.h b/mm/cma.h
index 49861286279d..33c0b517733c 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MM_CMA_H__
 #define __MM_CMA_H__
 
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index c03ccbc405a0..275df8b5b22e 100644
--- a/mm/cma_debug.c
+++ b/mm/cma_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CMA DebugFS Interface
  *
diff --git a/mm/compaction.c b/mm/compaction.c
index 03d31a875341..85395dc6eb13 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/mm/compaction.c
  *
diff --git a/mm/debug.c b/mm/debug.c
index 5715448ab0b5..6726bec731c9 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mm/debug.c
  *
diff --git a/mm/debug_page_ref.c b/mm/debug_page_ref.c
index 1aef3d562e52..f3b2c9d3ece2 100644
--- a/mm/debug_page_ref.c
+++ b/mm/debug_page_ref.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm_types.h>
 #include <linux/tracepoint.h>
 
diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c
index b1dd4a948fc0..d04ac1ec0559 100644
--- a/mm/early_ioremap.c
+++ b/mm/early_ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Provide common bits of early_ioremap() support for architectures needing
  * temporary mappings during boot before ioremap() is available.
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 702f239cd6db..ec70d6e4b86d 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mm/fadvise.c
  *
diff --git a/mm/failslab.c b/mm/failslab.c
index b0fac98cd938..8087d976a809 100644
--- a/mm/failslab.c
+++ b/mm/failslab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/fault-inject.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
diff --git a/mm/frame_vector.c b/mm/frame_vector.c
index 72ebec18629c..2f98df0d460e 100644
--- a/mm/frame_vector.c
+++ b/mm/frame_vector.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/err.h>
diff --git a/mm/highmem.c b/mm/highmem.c
index 50b4ca6787f0..59db3223a5d6 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * High memory handling common code and variables.
  *
diff --git a/mm/init-mm.c b/mm/init-mm.c
index 975e49f00f34..f94d5d15ebc0 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm_types.h>
 #include <linux/rbtree.h>
 #include <linux/rwsem.h>
diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index 2976a9ee104f..3289db38bc87 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 KASAN_SANITIZE := n
 UBSAN_SANITIZE_kasan.o := n
 KCOV_INSTRUMENT := n
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 1229298cce64..c70851a9a6a4 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MM_KASAN_KASAN_H
 #define __MM_KASAN_KASAN_H
 
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index c01f177a1120..43cb3043311b 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/mm.h>
diff --git a/mm/kmemcheck.c b/mm/kmemcheck.c
index 2d5959c5f7c5..800d64b854ea 100644
--- a/mm/kmemcheck.c
+++ b/mm/kmemcheck.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/gfp.h>
 #include <linux/mm_types.h>
 #include <linux/mm.h>
diff --git a/mm/madvise.c b/mm/madvise.c
index fd70d6aabc3e..375cf32087e4 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/mm/madvise.c
  *
diff --git a/mm/mempool.c b/mm/mempool.c
index 1c0294858527..c4a23cdae3f0 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/mm/mempool.c
  *
diff --git a/mm/memtest.c b/mm/memtest.c
index 8eaa4c3a5f65..f53ace709ccd 100644
--- a/mm/memtest.c
+++ b/mm/memtest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
diff --git a/mm/migrate.c b/mm/migrate.c
index e00814ca390e..1236449b4777 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Memory Migration functionality - linux/mm/migrate.c
  *
diff --git a/mm/mincore.c b/mm/mincore.c
index c5687c45c326..fc37afe226e6 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/mm/mincore.c
  *
diff --git a/mm/mlock.c b/mm/mlock.c
index dfc6f1912176..46af369c13e5 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/mm/mlock.c
  *
diff --git a/mm/mmzone.c b/mm/mmzone.c
index a51c0a67ea3d..4686fdc23bb9 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/mm/mmzone.c
  *
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 6d3e2f082290..ec39f730a0bf 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  mm/mprotect.c
  *
diff --git a/mm/mremap.c b/mm/mremap.c
index cfec004c4ff9..049470aa1e3e 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	mm/mremap.c
  *
diff --git a/mm/msync.c b/mm/msync.c
index 24e612fefa04..ef30a429623a 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	linux/mm/msync.c
  *
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 3637809a18d0..9b02fda0886b 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  bootmem - A boot-time physical memory allocator and configurator
  *
diff --git a/mm/page_counter.c b/mm/page_counter.c
index 7c6a63d2c27f..2a8df3ad60a4 100644
--- a/mm/page_counter.c
+++ b/mm/page_counter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Lockless hierarchical page accounting & limiting
  *
diff --git a/mm/page_ext.c b/mm/page_ext.c
index 32f18911deda..4f0367d472c4 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/bootmem.h>
diff --git a/mm/page_idle.c b/mm/page_idle.c
index 4bd03a8d809e..0a49374e6931 100644
--- a/mm/page_idle.c
+++ b/mm/page_idle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <linux/fs.h>
diff --git a/mm/page_io.c b/mm/page_io.c
index 21502d341a67..5d882de3fbfd 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/mm/page_io.c
  *
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 757410d9f758..44f213935bf6 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/mm/page_isolation.c
  */
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 57abca62d4db..4f44b95b9d1e 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/debugfs.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
diff --git a/mm/page_poison.c b/mm/page_poison.c
index be19e989ccff..e83fd44867de 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/mm.h>
diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index 53afbb919a1c..d22b84310f6d 100644
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/rmap.h>
 #include <linux/hugetlb.h>
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 1a4197965415..8bd4afa83cb8 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/sched.h>
diff --git a/mm/percpu-internal.h b/mm/percpu-internal.h
index 7065faf74b46..b1739dc06b73 100644
--- a/mm/percpu-internal.h
+++ b/mm/percpu-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MM_PERCPU_INTERNAL_H
 #define _MM_PERCPU_INTERNAL_H
 
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 1175f6a24fdb..1e4ee763c190 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  mm/pgtable-generic.c
  *
diff --git a/mm/quicklist.c b/mm/quicklist.c
index daf6ff6e199a..5e98ac78e410 100644
--- a/mm/quicklist.c
+++ b/mm/quicklist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Quicklist support.
  *
diff --git a/mm/slab.c b/mm/slab.c
index 04dec48c3ed7..b7095884fd93 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/mm/slab.c
  * Written by Mark Hemment, 1996/97.
diff --git a/mm/slab.h b/mm/slab.h
index 073362816acc..028cdc7df67e 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MM_SLAB_H
 #define MM_SLAB_H
 /*
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 80164599ca5d..0d7fe71ff5e4 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Slab allocator functions that are independent of the allocator strategy
  *
diff --git a/mm/slob.c b/mm/slob.c
index a8bd6fa11a66..10249160b693 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SLOB Allocator: Simple List Of Blocks
  *
diff --git a/mm/slub.c b/mm/slub.c
index 163352c537ab..1efbb8123037 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SLUB: A slab allocator that limits cache line use instead of queuing
  * objects in per cpu and per node lists.
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index d1a39b8051e0..478ce6d4a2c4 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Virtual Memory Map support
  *
diff --git a/mm/sparse.c b/mm/sparse.c
index 83b3bf6461af..4900707ae146 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sparse memory mappings.
  */
diff --git a/mm/swap_cgroup.c b/mm/swap_cgroup.c
index fcd2740f4ed7..45affaef3bc6 100644
--- a/mm/swap_cgroup.c
+++ b/mm/swap_cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/swap_cgroup.h>
 #include <linux/vmalloc.h>
 #include <linux/mm.h>
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 13a174006b91..d81cfc5a43d5 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Manage cache of swap slots to be used for and returned from
  * swap.
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 05b6803f0cce..326439428daf 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/mm/swap_state.c
  *
diff --git a/mm/vmacache.c b/mm/vmacache.c
index 7ffa0ee341b5..db7596eb6132 100644
--- a/mm/vmacache.c
+++ b/mm/vmacache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2014 Davidlohr Bueso.
  */
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 13d711dd8776..eb2f0315b8c0 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/mm/vmscan.c
  *
diff --git a/mm/workingset.c b/mm/workingset.c
index 7119cd745ace..b997c9de28f6 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Workingset detection
  *
diff --git a/net/6lowpan/6lowpan_i.h b/net/6lowpan/6lowpan_i.h
index a67caee11929..53cf446ce2e3 100644
--- a/net/6lowpan/6lowpan_i.h
+++ b/net/6lowpan/6lowpan_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __6LOWPAN_I_H
 #define __6LOWPAN_I_H
 
diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile
index 12d131ab2324..2247b96dbc75 100644
--- a/net/6lowpan/Makefile
+++ b/net/6lowpan/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_6LOWPAN) += 6lowpan.o
 
 6lowpan-y := core.o iphc.o nhc.o ndisc.o
diff --git a/net/6lowpan/nhc.h b/net/6lowpan/nhc.h
index 803041400136..67951c40734b 100644
--- a/net/6lowpan/nhc.h
+++ b/net/6lowpan/nhc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __6LOWPAN_NHC_H
 #define __6LOWPAN_NHC_H
 
diff --git a/net/802/Makefile b/net/802/Makefile
index 37e654d6615e..19406a87bdaa 100644
--- a/net/802/Makefile
+++ b/net/802/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux 802.x protocol layers.
 #
diff --git a/net/8021q/Makefile b/net/8021q/Makefile
index 7bc8db08d7ef..9b703454b93e 100644
--- a/net/8021q/Makefile
+++ b/net/8021q/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux VLAN layer.
 #
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index df8bd65dd370..0e7afdf86127 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BEN_VLAN_802_1Q_INC__
 #define __BEN_VLAN_802_1Q_INC__
 
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 0bc31de9071a..64aa9f755e1d 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/if_vlan.h>
diff --git a/net/8021q/vlanproc.h b/net/8021q/vlanproc.h
index 8838a2e92eb6..48cd4b4784e8 100644
--- a/net/8021q/vlanproc.h
+++ b/net/8021q/vlanproc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BEN_VLAN_PROC_INC__
 #define __BEN_VLAN_PROC_INC__
 
diff --git a/net/9p/Makefile b/net/9p/Makefile
index 697ea7caf466..c0486cfc85d9 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_NET_9P) := 9pnet.o
 obj-$(CONFIG_NET_9P_XEN) += 9pnet_xen.o
 obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
diff --git a/net/Makefile b/net/Makefile
index ae2fe2283d2f..14fede520840 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux networking.
 #
diff --git a/net/appletalk/dev.c b/net/appletalk/dev.c
index e4158b8b926d..284c8e585533 100644
--- a/net/appletalk/dev.c
+++ b/net/appletalk/dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Moved here from drivers/net/net_init.c, which is:
  *	Written 1993,1994,1995 by Donald Becker.
diff --git a/net/appletalk/sysctl_net_atalk.c b/net/appletalk/sysctl_net_atalk.c
index ebb864361f7a..c744a853fa5f 100644
--- a/net/appletalk/sysctl_net_atalk.c
+++ b/net/appletalk/sysctl_net_atalk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysctl_net_atalk.c: sysctl interface to net AppleTalk subsystem.
  *
diff --git a/net/atm/Makefile b/net/atm/Makefile
index cc50bd1ff1de..bfec0f2d83b5 100644
--- a/net/atm/Makefile
+++ b/net/atm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ATM Protocol Families.
 #
diff --git a/net/atm/addr.c b/net/atm/addr.c
index dcda35c66f15..0530b63f509a 100644
--- a/net/atm/addr.c
+++ b/net/atm/addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/addr.c - Local ATM address registry */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/addr.h b/net/atm/addr.h
index 6837e9e7eb13..da3f848411a0 100644
--- a/net/atm/addr.h
+++ b/net/atm/addr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/addr.h - Local ATM address registry */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
index 876fbe83e2e4..a30b83c1cb3f 100644
--- a/net/atm/atm_misc.c
+++ b/net/atm/atm_misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/atm_misc.c - Various functions for use by ATM drivers */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL ICA */
diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c
index 350bf62b2ae3..5d2fed9f5710 100644
--- a/net/atm/atm_sysfs.c
+++ b/net/atm/atm_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ATM driver model support. */
 
 #include <linux/kernel.h>
diff --git a/net/atm/common.h b/net/atm/common.h
index 959436b87182..d9d583712a91 100644
--- a/net/atm/common.h
+++ b/net/atm/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/common.h - ATM sockets (common part for PVC and SVC) */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index bbd3b639992e..2ff0e5e470e3 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* ATM ioctl handling */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/lec.h b/net/atm/lec.h
index 4149db1b7885..be0e2667bd8c 100644
--- a/net/atm/lec.h
+++ b/net/atm/lec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Lan Emulation client header file
  *
diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h
index d923f53812a3..1205d8792d28 100644
--- a/net/atm/lec_arpc.h
+++ b/net/atm/lec_arpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Lec arp cache
  *
diff --git a/net/atm/mpc.h b/net/atm/mpc.h
index cfc7b745aa91..454abd07651a 100644
--- a/net/atm/mpc.h
+++ b/net/atm/mpc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MPC_H_
 #define _MPC_H_
 
diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c
index 4ccaa16b1eb1..e01450bb32d6 100644
--- a/net/atm/mpoa_caches.c
+++ b/net/atm/mpoa_caches.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/atmmpc.h>
 #include <linux/slab.h>
diff --git a/net/atm/mpoa_caches.h b/net/atm/mpoa_caches.h
index 30fe34841ced..6a266669ebf4 100644
--- a/net/atm/mpoa_caches.h
+++ b/net/atm/mpoa_caches.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MPOA_CACHES_H
 #define MPOA_CACHES_H
 
diff --git a/net/atm/mpoa_proc.c b/net/atm/mpoa_proc.c
index 2df34eb5d65f..8a0c17e1c203 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
 
 #ifdef CONFIG_PROC_FS
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 4caca2a90ec4..642f9272ab95 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/proc.c - ATM /proc interface
  *
  * Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA
diff --git a/net/atm/protocols.h b/net/atm/protocols.h
index acdfc856222d..18d4d008bac3 100644
--- a/net/atm/protocols.h
+++ b/net/atm/protocols.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/protocols.h - ATM protocol handler entry points */
 
 /* Written 1995-1997 by Werner Almesberger, EPFL LRC */
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index 040207ec399f..e1140b3bdcaa 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/pvc.c - ATM PVC sockets */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/raw.c b/net/atm/raw.c
index 821c0797553d..ee10e8d46185 100644
--- a/net/atm/raw.c
+++ b/net/atm/raw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/raw.c - Raw AAL0 and AAL5 transports */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 918244757b7d..bada395ecdb1 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/resources.c - Statically allocated resources */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/resources.h b/net/atm/resources.h
index 521431e30507..048232e4d4c6 100644
--- a/net/atm/resources.h
+++ b/net/atm/resources.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/resources.h - ATM-related resources */
 
 /* Written 1995-1998 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/signaling.c b/net/atm/signaling.c
index 0a20f6e953ac..6c11cdf4dd4c 100644
--- a/net/atm/signaling.c
+++ b/net/atm/signaling.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/signaling.c - ATM signaling */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/signaling.h b/net/atm/signaling.h
index 08b2a69cc572..2df8220f7ab5 100644
--- a/net/atm/signaling.h
+++ b/net/atm/signaling.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* net/atm/signaling.h - ATM signaling */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 5589de7086af..c458adcbc177 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* net/atm/svc.c - ATM SVC sockets */
 
 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
diff --git a/net/ax25/Makefile b/net/ax25/Makefile
index 43c46d2cafb6..2e53affc8568 100644
--- a/net/ax25/Makefile
+++ b/net/ax25/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux AX.25 layer.
 #
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index 5d0a113e2e40..fda41c0b4781 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Bluetooth subsystem.
 #
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index aa300f3a0d51..d5c7c89ec4d6 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Bluetooth HCI driver model support. */
 
 #include <linux/module.h>
diff --git a/net/bridge/Makefile b/net/bridge/Makefile
index 40b1ede527ca..f760e62a672a 100644
--- a/net/bridge/Makefile
+++ b/net/bridge/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IEEE 802.1d ethernet bridging layer.
 #
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index ca01def49af0..31ddff22563e 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/igmp.h>
 #include <linux/kernel.h>
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index f6b1c7de059d..9700e0f3307b 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/netdevice.h>
diff --git a/net/bridge/netfilter/Makefile b/net/bridge/netfilter/Makefile
index be4d0cea78ce..2f28e16de6c7 100644
--- a/net/bridge/netfilter/Makefile
+++ b/net/bridge/netfilter/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the netfilter modules for Link Layer filtering on a bridge.
 #
diff --git a/net/caif/Makefile b/net/caif/Makefile
index cc2b51154d03..4f6c0517cdfb 100644
--- a/net/caif/Makefile
+++ b/net/caif/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-$(CONFIG_CAIF_DEBUG)     :=      -DDEBUG
 
 caif-y := caif_dev.o \
diff --git a/net/can/Makefile b/net/can/Makefile
index 10936754e3f2..1242bbbfe57f 100644
--- a/net/can/Makefile
+++ b/net/can/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 #  Makefile for the Linux Controller Area Network core.
 #
diff --git a/net/ceph/Makefile b/net/ceph/Makefile
index 6a5180903e7b..b4bded4b5396 100644
--- a/net/ceph/Makefile
+++ b/net/ceph/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for CEPH filesystem.
 #
diff --git a/net/ceph/armor.c b/net/ceph/armor.c
index 1fc1ee11dfa2..0db8065928df 100644
--- a/net/ceph/armor.c
+++ b/net/ceph/armor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/errno.h>
 
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index 48bb8d95195b..dbde2b3c3c15 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/module.h>
diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index df45e467c81f..41d2a0c72236 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/auth_none.h b/net/ceph/auth_none.h
index 62021535ae4a..860ed9875791 100644
--- a/net/ceph/auth_none.h
+++ b/net/ceph/auth_none.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_AUTH_NONE_H
 #define _FS_CEPH_AUTH_NONE_H
 
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 8757fb87dab8..2f4a1baf5f52 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/auth_x.h b/net/ceph/auth_x.h
index 48e9ad41bd2a..454cb54568af 100644
--- a/net/ceph/auth_x.h
+++ b/net/ceph/auth_x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_AUTH_X_H
 #define _FS_CEPH_AUTH_X_H
 
diff --git a/net/ceph/auth_x_protocol.h b/net/ceph/auth_x_protocol.h
index 671d30576c4f..32c13d763b9a 100644
--- a/net/ceph/auth_x_protocol.h
+++ b/net/ceph/auth_x_protocol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __FS_CEPH_AUTH_X_PROTOCOL
 #define __FS_CEPH_AUTH_X_PROTOCOL
 
diff --git a/net/ceph/buffer.c b/net/ceph/buffer.c
index add5f921a0ff..5622763ad402 100644
--- a/net/ceph/buffer.c
+++ b/net/ceph/buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c
index dcbe67ff3e2b..756a2dc10d27 100644
--- a/net/ceph/ceph_fs.c
+++ b/net/ceph/ceph_fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Some non-inline ceph helpers
  */
diff --git a/net/ceph/ceph_strings.c b/net/ceph/ceph_strings.c
index 19b7d8aa915c..10e01494993c 100644
--- a/net/ceph/ceph_strings.c
+++ b/net/ceph/ceph_strings.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Ceph string constants
  */
diff --git a/net/ceph/cls_lock_client.c b/net/ceph/cls_lock_client.c
index 08ada893f01e..8d2032b2f225 100644
--- a/net/ceph/cls_lock_client.c
+++ b/net/ceph/cls_lock_client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/types.h>
diff --git a/net/ceph/crush/crush.c b/net/ceph/crush/crush.c
index 4b428f46a8ca..3d70244bc1b6 100644
--- a/net/ceph/crush/crush.c
+++ b/net/ceph/crush/crush.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef __KERNEL__
 # include <linux/slab.h>
 # include <linux/crush/crush.h>
diff --git a/net/ceph/crush/hash.c b/net/ceph/crush/hash.c
index ed123af49eba..e5cc603cdb17 100644
--- a/net/ceph/crush/hash.c
+++ b/net/ceph/crush/hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef __KERNEL__
 # include <linux/crush/hash.h>
 #else
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 46008d5ac504..489610ac1cdd 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index 58d83aa7740f..bb45c7d43739 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FS_CEPH_CRYPTO_H
 #define _FS_CEPH_CRYPTO_H
 
diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c
index fa5233e0d01c..1eef6806aa1a 100644
--- a/net/ceph/debugfs.c
+++ b/net/ceph/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/device.h>
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index a67298c7e0cd..ad93342c90d7 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/crc32c.h>
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 63edc6e5f026..9ae1bab8c05d 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/module.h>
diff --git a/net/ceph/msgpool.c b/net/ceph/msgpool.c
index aaed59a47b1d..72571535883f 100644
--- a/net/ceph/msgpool.c
+++ b/net/ceph/msgpool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/err.h>
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index e02f01f534e2..2814dba5902d 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 79d14d70b7ea..0da27c66349a 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index ce09f73be759..2ea0564771d2 100644
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 #include <linux/gfp.h>
 #include <linux/slab.h>
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index 1a7c9a79a53c..ee43bc13221c 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/module.h>
diff --git a/net/ceph/string_table.c b/net/ceph/string_table.c
index 22fb96efcf34..3191d9d160a2 100644
--- a/net/ceph/string_table.c
+++ b/net/ceph/string_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/gfp.h>
 #include <linux/string.h>
diff --git a/net/core/Makefile b/net/core/Makefile
index 56d771a887b6..1fd0a9c88b1b 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux networking core.
 #
diff --git a/net/core/datagram.c b/net/core/datagram.c
index f7fb7e3f2acf..3964c108b169 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	SUCS NET3:
  *
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index f9c7a88cd981..7e690d0ccd05 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kmod.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
diff --git a/net/core/gro_cells.c b/net/core/gro_cells.c
index 814e58a3ce8b..4b54e5f107c6 100644
--- a/net/core/gro_cells.c
+++ b/net/core/gro_cells.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/skbuff.h>
 #include <linux/slab.h>
 #include <linux/netdevice.h>
diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
index 4847964931df..615ccab55f38 100644
--- a/net/core/net-procfs.c
+++ b/net/core/net-procfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/netdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
diff --git a/net/core/net-sysfs.h b/net/core/net-sysfs.h
index 2745a1b51e03..006876c7b78d 100644
--- a/net/core/net-sysfs.h
+++ b/net/core/net-sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_SYSFS_H__
 #define __NET_SYSFS_H__
 
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index 1132820c8e62..71f209542364 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * consolidates trace point definitions
  *
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index b1e0dbea1e8c..5eeb1d20cc38 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * To speed up listener socket lookup, create an array to store all sockets
  * listening on the same port.  This allows a decision to be made after finding
diff --git a/net/core/stream.c b/net/core/stream.c
index 20231dbb1da0..1cff9c6270c6 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *     SUCS NET3:
  *
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index b7cd9aafe99e..cbc3dde4cfcc 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* -*- linux-c -*-
  * sysctl_net_core.c: sysctl interface to net core subsystem.
  *
diff --git a/net/core/tso.c b/net/core/tso.c
index 5dca7ce8ee9f..43f4eba61933 100644
--- a/net/core/tso.c
+++ b/net/core/tso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/if_vlan.h>
 #include <net/ip.h>
diff --git a/net/dccp/Makefile b/net/dccp/Makefile
index 5c8362b037ed..2e7b56097bc4 100644
--- a/net/dccp/Makefile
+++ b/net/dccp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IP_DCCP) += dccp.o dccp_ipv4.o
 
 dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o \
diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c
index 62b5828acde0..d7f265e1f50c 100644
--- a/net/dccp/ccids/lib/tfrc.c
+++ b/net/dccp/ccids/lib/tfrc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * TFRC library initialisation
  *
diff --git a/net/decnet/Makefile b/net/decnet/Makefile
index e44003af71f6..9e38122d942b 100644
--- a/net/decnet/Makefile
+++ b/net/decnet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_DECNET) += decnet.o
 
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 4d339de56862..df042b6d80b8 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 3d37464c8b4a..b37a1b833c77 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 22bf0b95d6ed..528119a5618e 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 295bbd6a56f2..c795c3f509c9 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 232675480756..08667f68e601 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/decnet/dn_timer.c b/net/decnet/dn_timer.c
index 1d330fd43dc7..f430daed24a0 100644
--- a/net/decnet/dn_timer.c
+++ b/net/decnet/dn_timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 6c7da6c29bf0..55bf64a22b59 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
diff --git a/net/dsa/Makefile b/net/dsa/Makefile
index fcce25da937c..3d3c74193d06 100644
--- a/net/dsa/Makefile
+++ b/net/dsa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # the core
 obj-$(CONFIG_NET_DSA) += dsa_core.o
 dsa_core-y += dsa.o dsa2.o legacy.o port.o slave.o switch.o
diff --git a/net/ieee802154/6lowpan/6lowpan_i.h b/net/ieee802154/6lowpan/6lowpan_i.h
index ac7c96b73ad5..d8de3bcfb103 100644
--- a/net/ieee802154/6lowpan/6lowpan_i.h
+++ b/net/ieee802154/6lowpan/6lowpan_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IEEE802154_6LOWPAN_I_H__
 #define __IEEE802154_6LOWPAN_I_H__
 
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 9b92ade687a3..f05b7bdae2aa 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IEEE802154) += ieee802154.o
 obj-$(CONFIG_IEEE802154_SOCKET) += ieee802154_socket.o
 obj-y += 6lowpan/
diff --git a/net/ieee802154/core.h b/net/ieee802154/core.h
index 81141f58d079..1c19f575d574 100644
--- a/net/ieee802154/core.h
+++ b/net/ieee802154/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IEEE802154_CORE_H
 #define __IEEE802154_CORE_H
 
diff --git a/net/ieee802154/nl802154.h b/net/ieee802154/nl802154.h
index 3846a89d0958..8c4b6d08954c 100644
--- a/net/ieee802154/nl802154.h
+++ b/net/ieee802154/nl802154.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IEEE802154_NL802154_H
 #define __IEEE802154_NL802154_H
 
diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
index 4441c63b3ea6..598f5af49775 100644
--- a/net/ieee802154/rdev-ops.h
+++ b/net/ieee802154/rdev-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CFG802154_RDEV_OPS
 #define __CFG802154_RDEV_OPS
 
diff --git a/net/ieee802154/sysfs.h b/net/ieee802154/sysfs.h
index aa42e39ecbec..337545b639e9 100644
--- a/net/ieee802154/sysfs.h
+++ b/net/ieee802154/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IEEE802154_SYSFS_H
 #define __IEEE802154_SYSFS_H
 
diff --git a/net/ieee802154/trace.h b/net/ieee802154/trace.h
index 9a471e41ec73..19c2e5d60e76 100644
--- a/net/ieee802154/trace.h
+++ b/net/ieee802154/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Based on net/wireless/trace.h */
 
 #undef TRACE_SYSTEM
diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile
index afcb435adfbe..c6c8ad1d4b6d 100644
--- a/net/ipv4/Makefile
+++ b/net/ipv4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux TCP/IP (INET) layer.
 #
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index 5b2af19cfb5b..e6ff282bb7f4 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FIB_LOOKUP_H
 #define _FIB_LOOKUP_H
 
diff --git a/net/ipv4/fib_notifier.c b/net/ipv4/fib_notifier.c
index cfd420b0572c..b804ccbdb241 100644
--- a/net/ipv4/fib_notifier.c
+++ b/net/ipv4/fib_notifier.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/rtnetlink.h>
 #include <linux/notifier.h>
 #include <linux/socket.h>
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 9f0a7b96646f..2dd21c3281a1 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * INET		An implementation of the TCP/IP protocol suite for the LINUX
  *		operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 46408c220d9d..df8fe0503de0 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * INET		An implementation of the TCP/IP protocol suite for the LINUX
  *		operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 525ae88d1e58..ed194d46c00e 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * INET		An implementation of the TCP/IP protocol suite for the LINUX
  *		operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index a599aa83fdad..60fb1eb7d7d8 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * INET		An implementation of the TCP/IP protocol suite for the LINUX
  *		operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 4c5dfe6bd34d..abdebca848c9 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Automatic Configuration of IP -- use DHCP, BOOTP, RARP, or
  *  user-supplied information to configure own IP address and routes.
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index f462fee66ac8..adcdae358365 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the netfilter modules on top of IPv4.
 #
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 0d3c038d7b04..0989e739d098 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
  *
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index e3c33220c418..fbbeda647774 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/crypto.h>
 #include <linux/err.h>
 #include <linux/init.h>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7eec3383702b..5a87a00641d3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * INET		An implementation of the TCP/IP protocol suite for the LINUX
  *		operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 102b2c90bb80..0f0d740f6c8b 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/rcupdate.h>
 #include <linux/spinlock.h>
 #include <linux/jiffies.h>
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
index 449cd914d58e..be8ef1e5dfef 100644
--- a/net/ipv4/tcp_recovery.c
+++ b/net/ipv4/tcp_recovery.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/tcp.h>
 #include <net/tcp.h>
 
diff --git a/net/ipv4/tcp_vegas.h b/net/ipv4/tcp_vegas.h
index 248cfc0ff9ae..4f24d0e37d9c 100644
--- a/net/ipv4/tcp_vegas.h
+++ b/net/ipv4/tcp_vegas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * TCP Vegas congestion control interface
  */
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index a8cf8c6fb60c..e7d18b140287 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UDP4_IMPL_H
 #define _UDP4_IMPL_H
 #include <net/udp.h>
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 1fc684111ce6..e50b7fea57ee 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm4_input.c
  *
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index d7bf0b041885..05017e2c849c 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm4_policy.c
  *
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index d6660a8c0ea5..80c40b4981bb 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm4_state.c
  *
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 10e342363793..e0026fa1261b 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux TCP/IP (INET6) layer.
 #
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index b055bc79f56d..f664871feca6 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IPv6 Address Label subsystem
  * for the IPv6 "Default" Source Address Selection
diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index 0c02a09bc351..696281b4bca2 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/ip.h>
 #include <linux/kernel.h>
diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c
index 5bd419c1abc8..3123b9de91b5 100644
--- a/net/ipv6/ila/ila_xlat.c
+++ b/net/ipv6/ila/ila_xlat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/jhash.h>
 #include <linux/netfilter.h>
 #include <linux/rcupdate.h>
diff --git a/net/ipv6/ip6_checksum.c b/net/ipv6/ip6_checksum.c
index c0cbcb259f5a..ec43d18b5ff9 100644
--- a/net/ipv6/ip6_checksum.c
+++ b/net/ipv6/ip6_checksum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <net/ip.h>
 #include <net/udp.h>
 #include <net/udplite.h>
diff --git a/net/ipv6/ip6_icmp.c b/net/ipv6/ip6_icmp.c
index 713676f14a0e..02045494c24c 100644
--- a/net/ipv6/ip6_icmp.c
+++ b/net/ipv6/ip6_icmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/icmpv6.h>
 #include <linux/mutex.h>
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index fe180c96040e..c6ee0cdd0ba9 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the netfilter modules on top of IPv6.
 #
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 6fbf8ae5e52c..f7051ba5b8af 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysctl_net_ipv6.c: sysctl interface to net IPV6 subsystem.
  *
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index f180b3d85e31..7903e21c178b 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UDP6_IMPL_H
 #define _UDP6_IMPL_H
 #include <net/udp.h>
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index f95943a13abc..fe04e23af986 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm6_input.c: based on net/ipv4/xfrm4_input.c
  *
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 11d1314ab6c5..17e95a0386b3 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm6_policy.c: based on xfrm4_policy.c
  *
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index 8a1f9c0d2a13..b15075a5c227 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm6_state.c: based on xfrm4_state.c
  *
diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c
index 7d75e4c5c75d..38a3d51d9ead 100644
--- a/net/ipx/ipx_proc.c
+++ b/net/ipx/ipx_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	IPX proc routines
  *
diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c
index b5d91447f3dc..3cf93aa9f284 100644
--- a/net/ipx/ipx_route.c
+++ b/net/ipx/ipx_route.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *	Implements the IPX routing routines.
  *	Code moved from af_ipx.c.
diff --git a/net/ipx/pe2.c b/net/ipx/pe2.c
index 32dcd601ab32..ba7d4214bbff 100644
--- a/net/ipx/pe2.c
+++ b/net/ipx/pe2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/in.h>
 #include <linux/mm.h>
 #include <linux/module.h>
diff --git a/net/ipx/sysctl_net_ipx.c b/net/ipx/sysctl_net_ipx.c
index 0dafcc561ed6..c3eef457db88 100644
--- a/net/ipx/sysctl_net_ipx.c
+++ b/net/ipx/sysctl_net_ipx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* -*- linux-c -*-
  * sysctl_net_ipx.c: sysctl interface to net IPX subsystem.
  *
diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c
index c748e8a6a72c..bd5723315069 100644
--- a/net/kcm/kcmproc.c
+++ b/net/kcm/kcmproc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/in.h>
 #include <linux/inet.h>
 #include <linux/list.h>
diff --git a/net/l2tp/Makefile b/net/l2tp/Makefile
index 2870f41ea44d..399a7e5db2f4 100644
--- a/net/l2tp/Makefile
+++ b/net/l2tp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the L2TP.
 #
diff --git a/net/llc/sysctl_net_llc.c b/net/llc/sysctl_net_llc.c
index 799bafc2af39..8443a6d841b0 100644
--- a/net/llc/sysctl_net_llc.c
+++ b/net/llc/sysctl_net_llc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
  *
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 282912245938..80bfe29099f6 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MAC80211) += mac80211.o
 
 # mac80211 objects
diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h
index 1956b3115dd5..d90a8f9cc3fd 100644
--- a/net/mac80211/debug.h
+++ b/net/mac80211/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MAC80211_DEBUG_H
 #define __MAC80211_DEBUG_H
 #include <net/cfg80211.h>
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index 60c35afee29d..d2c424787463 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MAC80211_DEBUGFS_H
 #define __MAC80211_DEBUGFS_H
 
diff --git a/net/mac80211/debugfs_key.h b/net/mac80211/debugfs_key.h
index 32adc77e9c77..1cd7b8bff56c 100644
--- a/net/mac80211/debugfs_key.h
+++ b/net/mac80211/debugfs_key.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MAC80211_DEBUGFS_KEY_H
 #define __MAC80211_DEBUGFS_KEY_H
 
diff --git a/net/mac80211/debugfs_netdev.h b/net/mac80211/debugfs_netdev.h
index 9f5501a9a795..a7e9d8d518f9 100644
--- a/net/mac80211/debugfs_netdev.h
+++ b/net/mac80211/debugfs_netdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* routines exported for debugfs handling */
 
 #ifndef __IEEE80211_DEBUGFS_NETDEV_H
diff --git a/net/mac80211/debugfs_sta.h b/net/mac80211/debugfs_sta.h
index 8b608903259f..d2e7c27ad6d1 100644
--- a/net/mac80211/debugfs_sta.h
+++ b/net/mac80211/debugfs_sta.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MAC80211_DEBUGFS_STA_H
 #define __MAC80211_DEBUGFS_STA_H
 
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 09f77e4a8a79..c7f93fd9ca7a 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
 * Portions of this file
 * Copyright(c) 2016 Intel Deutschland GmbH
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index a87d195c4a61..38c45e1dafd8 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <net/mac80211.h>
 #include <net/rtnetlink.h>
 
diff --git a/net/mac80211/trace.c b/net/mac80211/trace.c
index edfe0c170a1c..837857261b66 100644
--- a/net/mac80211/trace.c
+++ b/net/mac80211/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* bug in tracepoint.h, it should include this */
 #include <linux/module.h>
 
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 3d9ac17af407..591ad02e1fa4 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
 * Portions of this file
 * Copyright(c) 2016 Intel Deutschland GmbH
diff --git a/net/mac80211/trace_msg.h b/net/mac80211/trace_msg.h
index 768f7c22a190..366b9e6f043e 100644
--- a/net/mac80211/trace_msg.h
+++ b/net/mac80211/trace_msg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_MAC80211_MESSAGE_TRACING
 
 #if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
diff --git a/net/mac802154/cfg.h b/net/mac802154/cfg.h
index e2718f981e82..3bb089685500 100644
--- a/net/mac802154/cfg.h
+++ b/net/mac802154/cfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* mac802154 configuration hooks for cfg802154
  */
 
diff --git a/net/mac802154/driver-ops.h b/net/mac802154/driver-ops.h
index fd9daf2ecec9..d23f0db98015 100644
--- a/net/mac802154/driver-ops.h
+++ b/net/mac802154/driver-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MAC802154_DRIVER_OPS
 #define __MAC802154_DRIVER_OPS
 
diff --git a/net/mac802154/trace.c b/net/mac802154/trace.c
index 863e5e6b983d..c36e3d541a42 100644
--- a/net/mac802154/trace.c
+++ b/net/mac802154/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/module.h>
 
 #ifndef __CHECKER__
diff --git a/net/mac802154/trace.h b/net/mac802154/trace.h
index 6f30e0c93a16..2c8a43d3607f 100644
--- a/net/mac802154/trace.h
+++ b/net/mac802154/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Based on net/mac80211/trace.h */
 
 #undef TRACE_SYSTEM
diff --git a/net/mpls/internal.h b/net/mpls/internal.h
index cf65aec2e551..768a302879b4 100644
--- a/net/mpls/internal.h
+++ b/net/mpls/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MPLS_INTERNAL_H
 #define MPLS_INTERNAL_H
 #include <net/mpls.h>
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index d3891c93edd6..f78ed2470831 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 netfilter-objs := core.o nf_log.o nf_queue.o nf_sockopt.o
 
 nf_conntrack-y	:= nf_conntrack_core.o nf_conntrack_standalone.o nf_conntrack_expect.o nf_conntrack_helper.o nf_conntrack_proto.o nf_conntrack_l3proto_generic.o nf_conntrack_proto_generic.o nf_conntrack_proto_tcp.o nf_conntrack_proto_udp.o nf_conntrack_extend.o nf_conntrack_acct.o nf_conntrack_seqadj.o
diff --git a/net/netfilter/ipset/Makefile b/net/netfilter/ipset/Makefile
index 28ec148df02d..a445a6bf4f11 100644
--- a/net/netfilter/ipset/Makefile
+++ b/net/netfilter/ipset/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the ipset modules
 #
diff --git a/net/netfilter/ipvs/Makefile b/net/netfilter/ipvs/Makefile
index 67f3f4389602..c552993fa4b9 100644
--- a/net/netfilter/ipvs/Makefile
+++ b/net/netfilter/ipvs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IPVS modules on top of IPv4.
 #
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 57c8ee66491e..eff7569824e5 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/ip.h>
 #include <linux/sctp.h>
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 0e5b64a75da0..13f740875507 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * IPVS         An implementation of the IP virtual server support for the
  *              LINUX operating system.  IPVS is now implemented as a module
diff --git a/net/netfilter/nf_internals.h b/net/netfilter/nf_internals.h
index 49f87ec093a3..44284cd2528d 100644
--- a/net/netfilter/nf_internals.h
+++ b/net/netfilter/nf_internals.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _NF_INTERNALS_H
 #define _NF_INTERNALS_H
 
diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
index d2a9e6b5d01f..46cb3786e0ec 100644
--- a/net/netfilter/nf_sockopt.c
+++ b/net/netfilter/nf_sockopt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/net/netfilter/xt_repldata.h b/net/netfilter/xt_repldata.h
index 8fd324116e6f..68ccbe50bb1e 100644
--- a/net/netfilter/xt_repldata.h
+++ b/net/netfilter/xt_repldata.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Today's hack: quantum tunneling in structs
  *
diff --git a/net/netlabel/Makefile b/net/netlabel/Makefile
index d341ede0dca5..5a46381a64e7 100644
--- a/net/netlabel/Makefile
+++ b/net/netlabel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the NetLabel subsystem.
 #
diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h
index 3490f2430532..028188597eaa 100644
--- a/net/netlink/af_netlink.h
+++ b/net/netlink/af_netlink.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AF_NETLINK_H
 #define _AF_NETLINK_H
 
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 10f8b4cff40a..d444daf1ac04 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NETLINK      Generic Netlink Family
  *
diff --git a/net/nfc/Makefile b/net/nfc/Makefile
index 2555ff8e7219..2ffc69b473fc 100644
--- a/net/nfc/Makefile
+++ b/net/nfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux NFC subsystem.
 #
diff --git a/net/nfc/nci/Makefile b/net/nfc/nci/Makefile
index 0ca31d9bf741..c3362c499281 100644
--- a/net/nfc/nci/Makefile
+++ b/net/nfc/nci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux NFC NCI layer.
 #
diff --git a/net/openvswitch/Makefile b/net/openvswitch/Makefile
index 60f809085b92..299f4476cf44 100644
--- a/net/openvswitch/Makefile
+++ b/net/openvswitch/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Open vSwitch.
 #
diff --git a/net/packet/internal.h b/net/packet/internal.h
index 94d1d405a116..562fbc155006 100644
--- a/net/packet/internal.h
+++ b/net/packet/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PACKET_INTERNAL_H__
 #define __PACKET_INTERNAL_H__
 
diff --git a/net/phonet/Makefile b/net/phonet/Makefile
index e10b1b182ce3..444f875932b9 100644
--- a/net/phonet/Makefile
+++ b/net/phonet/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PHONET) += phonet.o pn_pep.o
 
 phonet-y := \
diff --git a/net/qrtr/qrtr.h b/net/qrtr/qrtr.h
index 2b848718f8fe..b81e6953c04b 100644
--- a/net/qrtr/qrtr.h
+++ b/net/qrtr/qrtr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __QRTR_H_
 #define __QRTR_H_
 
diff --git a/net/rds/Makefile b/net/rds/Makefile
index 56c7d27eefee..b5d568bd479c 100644
--- a/net/rds/Makefile
+++ b/net/rds/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_RDS) += rds.o
 rds-y :=	af_rds.o bind.o cong.o connection.o info.o message.o   \
 			recv.o send.o stats.o sysctl.o threads.o transport.o \
diff --git a/net/rds/ib.h b/net/rds/ib.h
index bf4822407567..86a8578d95b8 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_IB_H
 #define _RDS_IB_H
 
diff --git a/net/rds/info.h b/net/rds/info.h
index b6c052ca7d22..a069b51c4679 100644
--- a/net/rds/info.h
+++ b/net/rds/info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_INFO_H
 #define _RDS_INFO_H
 
diff --git a/net/rds/loop.h b/net/rds/loop.h
index f32b0939a04d..469fa4b2da4f 100644
--- a/net/rds/loop.h
+++ b/net/rds/loop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_LOOP_H
 #define _RDS_LOOP_H
 
diff --git a/net/rds/rdma_transport.h b/net/rds/rdma_transport.h
index ff2010e9d20c..d309c4430124 100644
--- a/net/rds/rdma_transport.h
+++ b/net/rds/rdma_transport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDMA_TRANSPORT_H
 #define _RDMA_TRANSPORT_H
 
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 2e0315b159cb..c349c71babff 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_RDS_H
 #define _RDS_RDS_H
 
diff --git a/net/rds/rds_single_path.h b/net/rds/rds_single_path.h
index e1241af7c1ad..9521f6e99bef 100644
--- a/net/rds/rds_single_path.h
+++ b/net/rds/rds_single_path.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_RDS_SINGLE_H
 #define _RDS_RDS_SINGLE_H
 
diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index f8800b7ce79c..1aafbf7c3011 100644
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RDS_TCP_H
 #define _RDS_TCP_H
 
diff --git a/net/rxrpc/Makefile b/net/rxrpc/Makefile
index 9c68d2f8ba39..6ffb7e9887ce 100644
--- a/net/rxrpc/Makefile
+++ b/net/rxrpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Linux kernel RxRPC
 #
diff --git a/net/sched/Makefile b/net/sched/Makefile
index 7b915d226de7..9e43a4721ef8 100644
--- a/net/sched/Makefile
+++ b/net/sched/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux Traffic Control Unit.
 #
diff --git a/net/sctp/Makefile b/net/sctp/Makefile
index 70f1b570bab9..8c434af3e68f 100644
--- a/net/sctp/Makefile
+++ b/net/sctp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for SCTP support code.
 #
diff --git a/net/smc/smc.h b/net/smc/smc.h
index 0ccd6fa387ad..0bee9d16cf29 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index a7294edbc221..535e72cfc64b 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h
index 8e1d76f26007..bea61dadaf36 100644
--- a/net/smc/smc_cdc.h
+++ b/net/smc/smc_cdc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index b7dd2743fb5c..1800e16b2a02 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index 1c55414041d4..12a9af1539a2 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index f0d16fb825f7..2427a1f3d0d1 100644
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_close.h b/net/smc/smc_close.h
index 4a3d99a8d7cb..ed82506b1b0a 100644
--- a/net/smc/smc_close.h
+++ b/net/smc/smc_close.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 20b66e79c5d6..413e3868fbf3 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h
index 19c44bf4e391..fe691bf9af91 100644
--- a/net/smc/smc_core.h
+++ b/net/smc/smc_core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 0b5852299158..9033b8a36fe1 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index 9b927a33d5e6..e90630dadf8e 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index c2f9165d13ef..92fe4cc8c82c 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_llc.h b/net/smc/smc_llc.h
index b472f853953a..51b27ce90dbd 100644
--- a/net/smc/smc_llc.h
+++ b/net/smc/smc_llc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 31f8453c25c5..74568cdbca70 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_pnet.h b/net/smc/smc_pnet.h
index c4f1bccd4358..5a29519db976 100644
--- a/net/smc/smc_pnet.h
+++ b/net/smc/smc_pnet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
index 3e631ae4b6b6..cbf58637ee14 100644
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_rx.h b/net/smc/smc_rx.h
index b5b80e1f8b0f..3a32b59bf06c 100644
--- a/net/smc/smc_rx.h
+++ b/net/smc/smc_rx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 3866573288dd..710ab3fbf607 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_tx.h b/net/smc/smc_tx.h
index 1d6a0dcdcfe6..78255964fa4d 100644
--- a/net/smc/smc_tx.h
+++ b/net/smc/smc_tx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 525d91e0d57e..de4537f66832 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h
index 45eb53833052..2acf12b06063 100644
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Shared Memory Communications over RDMA (SMC-R) and RoCE
  *
diff --git a/net/sunrpc/Makefile b/net/sunrpc/Makefile
index ea7ffa12e0f9..090658c3da12 100644
--- a/net/sunrpc/Makefile
+++ b/net/sunrpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Linux kernel SUN RPC
 #
diff --git a/net/sunrpc/auth_gss/Makefile b/net/sunrpc/auth_gss/Makefile
index 14e9e53e63d5..c374268b008f 100644
--- a/net/sunrpc/auth_gss/Makefile
+++ b/net/sunrpc/auth_gss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for Linux kernel rpcsec_gss implementation
 #
diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c
index 5f3d527dff65..75d72e109a04 100644
--- a/net/sunrpc/auth_null.c
+++ b/net/sunrpc/auth_null.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/net/sunrpc/auth_null.c
  *
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 82337e1ec9cd..dafd6b870ba3 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/net/sunrpc/auth_unix.c
  *
diff --git a/net/sunrpc/debugfs.c b/net/sunrpc/debugfs.c
index c8fd0b6c1618..e980d2a493de 100644
--- a/net/sunrpc/debugfs.c
+++ b/net/sunrpc/debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * debugfs interface for sunrpc
  *
diff --git a/net/sunrpc/netns.h b/net/sunrpc/netns.h
index 394ce523174c..7ec10b92bea1 100644
--- a/net/sunrpc/netns.h
+++ b/net/sunrpc/netns.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUNRPC_NETNS_H__
 #define __SUNRPC_NETNS_H__
 
diff --git a/net/sunrpc/xprtmultipath.c b/net/sunrpc/xprtmultipath.c
index ae92a9e9ba52..e2d64c7138c3 100644
--- a/net/sunrpc/xprtmultipath.c
+++ b/net/sunrpc/xprtmultipath.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Multipath support for RPC
  *
diff --git a/net/sunrpc/xprtrdma/Makefile b/net/sunrpc/xprtrdma/Makefile
index b8213ddce2f2..8bf19e142b6b 100644
--- a/net/sunrpc/xprtrdma/Makefile
+++ b/net/sunrpc/xprtrdma/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SUNRPC_XPRT_RDMA) += rpcrdma.o
 
 rpcrdma-y := transport.o rpc_rdma.o verbs.o \
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index d31d0ac5ada9..823a781ec89c 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015 Oracle.  All rights reserved.
  *
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c
index 6c7151341194..fa759dd2b0f3 100644
--- a/net/sunrpc/xprtrdma/fmr_ops.c
+++ b/net/sunrpc/xprtrdma/fmr_ops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015 Oracle.  All rights reserved.
  * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index df062e086bdb..35d7517ef0e6 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015 Oracle.  All rights reserved.
  * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index ec37ad83b068..992594b7cc6b 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015 Oracle.  All rights reserved.
  *
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index 7dcda4597057..9bd04549a1ad 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016 Oracle.  All rights reserved.
  *
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index c1841f234a71..4dad5da388d6 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/net/sunrpc/xprtsock.c
  *
diff --git a/net/tipc/Makefile b/net/tipc/Makefile
index 31b9f9c52974..2bfaa9d4b403 100644
--- a/net/tipc/Makefile
+++ b/net/tipc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux TIPC layer
 #
diff --git a/net/unix/Makefile b/net/unix/Makefile
index b663c607b1c6..ffd0a275c3a7 100644
--- a/net/unix/Makefile
+++ b/net/unix/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux unix domain socket layer.
 #
diff --git a/net/vmw_vsock/Makefile b/net/vmw_vsock/Makefile
index e63d574234a9..30a263320e4f 100644
--- a/net/vmw_vsock/Makefile
+++ b/net/vmw_vsock/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_VSOCKETS) += vsock.o
 obj-$(CONFIG_VMWARE_VMCI_VSOCKETS) += vmw_vsock_vmci_transport.o
 obj-$(CONFIG_VIRTIO_VSOCKETS) += vmw_vsock_virtio_transport.o
diff --git a/net/wimax/Makefile b/net/wimax/Makefile
index 8f1510d0cc2b..eb2db0d3b880 100644
--- a/net/wimax/Makefile
+++ b/net/wimax/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_WIMAX)		+= wimax.o
 
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index d06e5015751a..b7c0300e0b08 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_CFG80211) += cfg80211.o
 obj-$(CONFIG_LIB80211) += lib80211.o
 obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
diff --git a/net/wireless/ap.c b/net/wireless/ap.c
index 25666d3009be..63682176c96c 100644
--- a/net/wireless/ap.c
+++ b/net/wireless/ap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ieee80211.h>
 #include <linux/export.h>
 #include <net/cfg80211.h>
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index b8aa5a7d5c77..fad1b5baf8ff 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains helper code to handle channel
  * settings and keeping track of what is possible at
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 6e809325af3b..705835047f98 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Wireless configuration interface internals.
  *
diff --git a/net/wireless/debugfs.h b/net/wireless/debugfs.h
index 74fdd3811427..a8a135d94ab5 100644
--- a/net/wireless/debugfs.h
+++ b/net/wireless/debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CFG80211_DEBUGFS_H
 #define __CFG80211_DEBUGFS_H
 
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
index e9e91298c70d..a9c0f368db5d 100644
--- a/net/wireless/ethtool.c
+++ b/net/wireless/ethtool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/utsname.h>
 #include <net/cfg80211.h>
 #include "core.h"
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 10bf040a0982..413d4f4e6334 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Some IBSS support code for cfg80211.
  *
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 421a6b80ec62..51aa55618ef7 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/ieee80211.h>
 #include <linux/export.h>
 #include <net/cfg80211.h>
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index d8df7a5180a0..e7c64a8dce54 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cfg80211 MLME SAP interface
  *
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index b96933322077..fc415c8f7aac 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NET_WIRELESS_NL80211_H
 #define __NET_WIRELESS_NL80211_H
 
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index ce23d7d49960..0c06240d25af 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CFG80211_RDEV_OPS
 #define __CFG80211_RDEV_OPS
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 9f0901f3e42b..f6c5fe482506 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cfg80211 scan result handling
  *
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0a49b88070d0..37cea4d98879 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SME code for cfg80211
  * both driver SME event handling and the SME implementation
diff --git a/net/wireless/sysfs.h b/net/wireless/sysfs.h
index b533ed71daff..7b454c2de9b7 100644
--- a/net/wireless/sysfs.h
+++ b/net/wireless/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __WIRELESS_SYSFS_H
 #define __WIRELESS_SYSFS_H
 
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 0f8db41eaddb..f3353fe5b35b 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM cfg80211
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index bcb1284c3415..c1238d582fd1 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Wireless utility functions
  *
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 5d4a02c7979b..7ca04a7de85a 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cfg80211 - wext compat code
  *
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index c434f193f39a..c67d7a82ab13 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cfg80211 wext compat for managed mode.
  *
diff --git a/net/x25/Makefile b/net/x25/Makefile
index a2c34ab6f194..5dd544a231f2 100644
--- a/net/x25/Makefile
+++ b/net/x25/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux X.25 Packet layer.
 #
diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c
index ba078c85f0a1..e9802afa43d0 100644
--- a/net/x25/sysctl_net_x25.c
+++ b/net/x25/sysctl_net_x25.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* -*- linux-c -*-
  * sysctl_net_x25.c: sysctl interface to net X.25 subsystem.
  *
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index 55b2ac300995..0bd2465a8c5a 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the XFRM subsystem.
 #
diff --git a/net/xfrm/xfrm_hash.c b/net/xfrm/xfrm_hash.c
index 1e98bc0fe0a5..2ad33ce1ea17 100644
--- a/net/xfrm/xfrm_hash.c
+++ b/net/xfrm/xfrm_hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* xfrm_hash.c: Common hash table code.
  *
  * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
diff --git a/net/xfrm/xfrm_hash.h b/net/xfrm/xfrm_hash.h
index eaea9c4fb3b0..61be810389d8 100644
--- a/net/xfrm/xfrm_hash.h
+++ b/net/xfrm/xfrm_hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _XFRM_HASH_H
 #define _XFRM_HASH_H
 
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 8ac9d32fb79d..82d20ee34581 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xfrm_input.c
  *
diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c
index 35a7e794ad04..0c6c5ef65f9d 100644
--- a/net/xfrm/xfrm_sysctl.c
+++ b/net/xfrm/xfrm_sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/sysctl.h>
 #include <linux/slab.h>
 #include <net/net_namespace.h>
diff --git a/samples/auxdisplay/Makefile b/samples/auxdisplay/Makefile
index 05e471feb6e5..0273bab27233 100644
--- a/samples/auxdisplay/Makefile
+++ b/samples/auxdisplay/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 CFLAGS := -I../../usr/include
 
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index cf17c7932a6e..9b4a66e3363e 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # kbuild trick to avoid linker error. Can be omitted if a module is built.
 obj- := dummy.o
 
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index 6aa50098dfb8..2325d7ad76df 100644
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/samples/bpf/bpf_load.h b/samples/bpf/bpf_load.h
index 453e3226b4ce..7d57a4248893 100644
--- a/samples/bpf/bpf_load.h
+++ b/samples/bpf/bpf_load.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BPF_LOAD_H
 #define __BPF_LOAD_H
 
diff --git a/samples/bpf/cgroup_helpers.c b/samples/bpf/cgroup_helpers.c
index 9d1be9426401..09afaddfc9ba 100644
--- a/samples/bpf/cgroup_helpers.c
+++ b/samples/bpf/cgroup_helpers.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <sched.h>
 #include <sys/mount.h>
diff --git a/samples/bpf/cgroup_helpers.h b/samples/bpf/cgroup_helpers.h
index 78c55207b6bd..06485e0002b3 100644
--- a/samples/bpf/cgroup_helpers.h
+++ b/samples/bpf/cgroup_helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CGROUP_HELPERS_H
 #define __CGROUP_HELPERS_H
 #include <errno.h>
diff --git a/samples/bpf/libbpf.h b/samples/bpf/libbpf.h
index 8ab36a04c174..18bfee5aab6b 100644
--- a/samples/bpf/libbpf.h
+++ b/samples/bpf/libbpf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* eBPF mini library */
 #ifndef __LIBBPF_H
 #define __LIBBPF_H
diff --git a/samples/bpf/lwt_len_hist.sh b/samples/bpf/lwt_len_hist.sh
index 7d567744c7fa..090b96eaf7f7 100644
--- a/samples/bpf/lwt_len_hist.sh
+++ b/samples/bpf/lwt_len_hist.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 NS1=lwt_ns1
 VETH0=tst_lwt1a
diff --git a/samples/bpf/lwt_len_hist_user.c b/samples/bpf/lwt_len_hist_user.c
index ec8f3bbcbef3..7fcb94c09112 100644
--- a/samples/bpf/lwt_len_hist_user.c
+++ b/samples/bpf/lwt_len_hist_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/unistd.h>
 #include <linux/bpf.h>
 
diff --git a/samples/bpf/run_cookie_uid_helper_example.sh b/samples/bpf/run_cookie_uid_helper_example.sh
index f898cfa2b1aa..fc6bc0451ab4 100755
--- a/samples/bpf/run_cookie_uid_helper_example.sh
+++ b/samples/bpf/run_cookie_uid_helper_example.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 local_dir="$(pwd)"
 root_dir=$local_dir/../..
 mnt_dir=$(mktemp -d --tmp)
diff --git a/samples/bpf/sock_example.h b/samples/bpf/sock_example.h
index d8014065d479..772d5dad8465 100644
--- a/samples/bpf/sock_example.h
+++ b/samples/bpf/sock_example.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <stdlib.h>
 #include <stdio.h>
 #include <linux/unistd.h>
diff --git a/samples/bpf/sockex1_user.c b/samples/bpf/sockex1_user.c
index 6cd2feb3e9b3..2be935c2627d 100644
--- a/samples/bpf/sockex1_user.c
+++ b/samples/bpf/sockex1_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <assert.h>
 #include <linux/bpf.h>
diff --git a/samples/bpf/sockex2_user.c b/samples/bpf/sockex2_user.c
index 0e0207c90841..44fe0805b087 100644
--- a/samples/bpf/sockex2_user.c
+++ b/samples/bpf/sockex2_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <assert.h>
 #include <linux/bpf.h>
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 877ecf8fc5ac..495ee02e2fb7 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <assert.h>
 #include <linux/bpf.h>
diff --git a/samples/bpf/spintest_user.c b/samples/bpf/spintest_user.c
index 80676c25fa50..3d736219a31c 100644
--- a/samples/bpf/spintest_user.c
+++ b/samples/bpf/spintest_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <unistd.h>
 #include <linux/bpf.h>
diff --git a/samples/bpf/syscall_nrs.c b/samples/bpf/syscall_nrs.c
index ce2a30b11248..516e255cbe8f 100644
--- a/samples/bpf/syscall_nrs.c
+++ b/samples/bpf/syscall_nrs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <uapi/linux/unistd.h>
 #include <linux/kbuild.h>
 
diff --git a/samples/bpf/tc_l2_redirect.sh b/samples/bpf/tc_l2_redirect.sh
index 80a05591a140..37d95ef3c20f 100755
--- a/samples/bpf/tc_l2_redirect.sh
+++ b/samples/bpf/tc_l2_redirect.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 [[ -z $TC ]] && TC='tc'
 [[ -z $IP ]] && IP='ip'
diff --git a/samples/bpf/test_cgrp2_sock.sh b/samples/bpf/test_cgrp2_sock.sh
index a81f38eef417..8ee0371a100a 100755
--- a/samples/bpf/test_cgrp2_sock.sh
+++ b/samples/bpf/test_cgrp2_sock.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 # Test various socket options that can be set by attaching programs to cgroups.
 
diff --git a/samples/bpf/test_cgrp2_sock2.c b/samples/bpf/test_cgrp2_sock2.c
index db036077b644..e53f1f6f0867 100644
--- a/samples/bpf/test_cgrp2_sock2.c
+++ b/samples/bpf/test_cgrp2_sock2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* eBPF example program:
  *
  * - Loads eBPF program
diff --git a/samples/bpf/test_cgrp2_sock2.sh b/samples/bpf/test_cgrp2_sock2.sh
index 891f12a0e26f..fc4e64d00cb3 100755
--- a/samples/bpf/test_cgrp2_sock2.sh
+++ b/samples/bpf/test_cgrp2_sock2.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 function config_device {
 	ip netns add at_ns0
diff --git a/samples/bpf/test_cgrp2_tc.sh b/samples/bpf/test_cgrp2_tc.sh
index 0b119eeaf85c..12faf5847e22 100755
--- a/samples/bpf/test_cgrp2_tc.sh
+++ b/samples/bpf/test_cgrp2_tc.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 MY_DIR=$(dirname $0)
 # Details on the bpf prog
diff --git a/samples/bpf/test_cls_bpf.sh b/samples/bpf/test_cls_bpf.sh
index 0365d5ee512c..aaddd67b37ff 100755
--- a/samples/bpf/test_cls_bpf.sh
+++ b/samples/bpf/test_cls_bpf.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 function pktgen {
     ../pktgen/pktgen_bench_xmit_mode_netif_receive.sh -i $IFC -s 64 \
diff --git a/samples/bpf/test_ipip.sh b/samples/bpf/test_ipip.sh
index 196925403ab4..9e507c305c6e 100755
--- a/samples/bpf/test_ipip.sh
+++ b/samples/bpf/test_ipip.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 function config_device {
 	ip netns add at_ns0
diff --git a/samples/bpf/test_lwt_bpf.sh b/samples/bpf/test_lwt_bpf.sh
index a695ae268c40..65a976058dd3 100644
--- a/samples/bpf/test_lwt_bpf.sh
+++ b/samples/bpf/test_lwt_bpf.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 # Uncomment to see generated bytecode
 #VERBOSE=verbose
diff --git a/samples/bpf/test_probe_write_user_user.c b/samples/bpf/test_probe_write_user_user.c
index b5bf178a6ecc..bf8e3a9f3067 100644
--- a/samples/bpf/test_probe_write_user_user.c
+++ b/samples/bpf/test_probe_write_user_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <assert.h>
 #include <linux/bpf.h>
diff --git a/samples/bpf/test_tunnel_bpf.sh b/samples/bpf/test_tunnel_bpf.sh
index 410052d9fc37..312e1722a39f 100755
--- a/samples/bpf/test_tunnel_bpf.sh
+++ b/samples/bpf/test_tunnel_bpf.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # In Namespace 0 (at_ns0) using native tunnel
 # Overlay IP: 10.1.1.100
 # local 192.16.1.100 remote 192.16.1.200
diff --git a/samples/bpf/tracex1_user.c b/samples/bpf/tracex1_user.c
index 31a48183beea..3dcb475fb135 100644
--- a/samples/bpf/tracex1_user.c
+++ b/samples/bpf/tracex1_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <linux/bpf.h>
 #include <unistd.h>
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 7321a3f253c9..efb5e61918df 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c
index 36b5925bb137..4e2774b731f0 100644
--- a/samples/bpf/tracex5_user.c
+++ b/samples/bpf/tracex5_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <linux/bpf.h>
 #include <unistd.h>
diff --git a/samples/bpf/tracex6_user.c b/samples/bpf/tracex6_user.c
index a05a99a0752f..a8c22dcf8e4e 100644
--- a/samples/bpf/tracex6_user.c
+++ b/samples/bpf/tracex6_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 
 #include <assert.h>
diff --git a/samples/connector/Makefile b/samples/connector/Makefile
index 91762d946a53..fe3c8542ae4a 100644
--- a/samples/connector/Makefile
+++ b/samples/connector/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SAMPLE_CONNECTOR) += cn_test.o
 
 # List of programs to build
diff --git a/samples/hidraw/Makefile b/samples/hidraw/Makefile
index a9ab96188fbe..f5c3012ffa79 100644
--- a/samples/hidraw/Makefile
+++ b/samples/hidraw/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # kbuild trick to avoid linker error. Can be omitted if a module is built.
 obj- := dummy.o
 
diff --git a/samples/hidraw/hid-example.c b/samples/hidraw/hid-example.c
index 92e6c1511910..9bfd8ff6de82 100644
--- a/samples/hidraw/hid-example.c
+++ b/samples/hidraw/hid-example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Hidraw Userspace Example
  *
diff --git a/samples/mei/Makefile b/samples/mei/Makefile
index 7aac216dc420..c7e52e9e92ca 100644
--- a/samples/mei/Makefile
+++ b/samples/mei/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 CFLAGS := -I../../usr/include
 
diff --git a/samples/mic/mpssd/Makefile b/samples/mic/mpssd/Makefile
index 3e3ef91fed6b..a7a6e0c70424 100644
--- a/samples/mic/mpssd/Makefile
+++ b/samples/mic/mpssd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef CROSS_COMPILE
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh
index 3a6244d5f47a..72fc562876e2 100644
--- a/samples/pktgen/parameters.sh
+++ b/samples/pktgen/parameters.sh
@@ -1,4 +1,5 @@
 #
+# SPDX-License-Identifier: GPL-2.0
 # Common parameter parsing for pktgen scripts
 #
 
diff --git a/samples/pktgen/pktgen.conf-1-1-ip6 b/samples/pktgen/pktgen.conf-1-1-ip6
index 0b9ffd47fd41..62426afeef84 100755
--- a/samples/pktgen/pktgen.conf-1-1-ip6
+++ b/samples/pktgen/pktgen.conf-1-1-ip6
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-1-ip6-rdos b/samples/pktgen/pktgen.conf-1-1-ip6-rdos
index ad98e5f40776..3ac3eb1f3504 100755
--- a/samples/pktgen/pktgen.conf-1-1-ip6-rdos
+++ b/samples/pktgen/pktgen.conf-1-1-ip6-rdos
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-2 b/samples/pktgen/pktgen.conf-1-2
index ba4eb26e168d..a85552760762 100755
--- a/samples/pktgen/pktgen.conf-1-2
+++ b/samples/pktgen/pktgen.conf-1-2
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh b/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
index e5bfe759a0fb..2839f7d315cf 100755
--- a/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
+++ b/samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Benchmark script:
 #  - developed for benchmarking ingress qdisc path
diff --git a/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh b/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
index 1ad878e95539..e1ee54465def 100755
--- a/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
+++ b/samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Benchmark script:
 #  - developed for benchmarking egress qdisc path, derived (more
diff --git a/samples/pktgen/pktgen_sample01_simple.sh b/samples/pktgen/pktgen_sample01_simple.sh
index 35b7fe34bda2..e9ab4edba2d7 100755
--- a/samples/pktgen/pktgen_sample01_simple.sh
+++ b/samples/pktgen/pktgen_sample01_simple.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Simple example:
 #  * pktgen sending with single thread and single interface
diff --git a/samples/pktgen/pktgen_sample02_multiqueue.sh b/samples/pktgen/pktgen_sample02_multiqueue.sh
index cbdd3e2bceff..99f740ae9857 100755
--- a/samples/pktgen/pktgen_sample02_multiqueue.sh
+++ b/samples/pktgen/pktgen_sample02_multiqueue.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Multiqueue: Using pktgen threads for sending on multiple CPUs
 #  * adding devices to kernel threads
diff --git a/samples/pktgen/pktgen_sample03_burst_single_flow.sh b/samples/pktgen/pktgen_sample03_burst_single_flow.sh
index 8d26e0ca683d..4c2e4217638a 100755
--- a/samples/pktgen/pktgen_sample03_burst_single_flow.sh
+++ b/samples/pktgen/pktgen_sample03_burst_single_flow.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Script for max single flow performance
 #  - If correctly tuned[1], single CPU 10G wirespeed small pkts is possible[2]
diff --git a/samples/pktgen/pktgen_sample04_many_flows.sh b/samples/pktgen/pktgen_sample04_many_flows.sh
index 497fb7520464..4df92b7176da 100755
--- a/samples/pktgen/pktgen_sample04_many_flows.sh
+++ b/samples/pktgen/pktgen_sample04_many_flows.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Script example for many flows testing
 #
diff --git a/samples/pktgen/pktgen_sample05_flow_per_thread.sh b/samples/pktgen/pktgen_sample05_flow_per_thread.sh
index ac9cfd6b2c0a..7f8b5e59f01e 100755
--- a/samples/pktgen/pktgen_sample05_flow_per_thread.sh
+++ b/samples/pktgen/pktgen_sample05_flow_per_thread.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Script will generate one flow per thread (-t N)
 #  - Same destination IP
diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile
index bf7cc6b0dc19..19a870eed82b 100644
--- a/samples/seccomp/Makefile
+++ b/samples/seccomp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # kbuild trick to avoid linker error. Can be omitted if a module is built.
 obj- := dummy.o
 
diff --git a/samples/seccomp/bpf-direct.c b/samples/seccomp/bpf-direct.c
index 151ec3f52189..c09e4a17ac1a 100644
--- a/samples/seccomp/bpf-direct.c
+++ b/samples/seccomp/bpf-direct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Seccomp filter example for x86 (32-bit and 64-bit) with BPF macros
  *
diff --git a/samples/seccomp/bpf-fancy.c b/samples/seccomp/bpf-fancy.c
index e8b24f443709..1ccb435025b6 100644
--- a/samples/seccomp/bpf-fancy.c
+++ b/samples/seccomp/bpf-fancy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Seccomp BPF example using a macro-based generator.
  *
diff --git a/samples/seccomp/bpf-helper.c b/samples/seccomp/bpf-helper.c
index 1ef0f4d72898..ae260d77a868 100644
--- a/samples/seccomp/bpf-helper.c
+++ b/samples/seccomp/bpf-helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Seccomp BPF helper functions
  *
diff --git a/samples/seccomp/bpf-helper.h b/samples/seccomp/bpf-helper.h
index 1d8de9edd858..0cc9816fe8e8 100644
--- a/samples/seccomp/bpf-helper.h
+++ b/samples/seccomp/bpf-helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Example wrapper around BPF macros.
  *
diff --git a/samples/seccomp/dropper.c b/samples/seccomp/dropper.c
index 68325ca5e71c..cc0648eb389e 100644
--- a/samples/seccomp/dropper.c
+++ b/samples/seccomp/dropper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Naive system call dropper built on seccomp_filter.
  *
diff --git a/samples/timers/Makefile b/samples/timers/Makefile
index a5c3c4a35ca1..f9fa07460802 100644
--- a/samples/timers/Makefile
+++ b/samples/timers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef CROSS_COMPILE
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/samples/timers/hpet_example.c b/samples/timers/hpet_example.c
index 3ab4993d85e0..f1cb622f6ec0 100644
--- a/samples/timers/hpet_example.c
+++ b/samples/timers/hpet_example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 76a75ab7a608..5bcd91455ec8 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * If TRACE_SYSTEM is defined, that will be the directory created
  * in the ftrace directory under /sys/kernel/tracing/events/<system>
diff --git a/samples/uhid/uhid-example.c b/samples/uhid/uhid-example.c
index 7d58a4b8d324..b72d645ce828 100644
--- a/samples/uhid/uhid-example.c
+++ b/samples/uhid/uhid-example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UHID Example
  *
diff --git a/samples/watchdog/Makefile b/samples/watchdog/Makefile
index 9b53d89b1ccf..a9430fa60253 100644
--- a/samples/watchdog/Makefile
+++ b/samples/watchdog/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 PROGS := watchdog-simple
 
diff --git a/samples/watchdog/watchdog-simple.c b/samples/watchdog/watchdog-simple.c
index ba45803a2216..9ce66d2ca2a9 100644
--- a/samples/watchdog/watchdog-simple.c
+++ b/samples/watchdog/watchdog-simple.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/scripts/Lindent b/scripts/Lindent
index 57b564c24d61..1688c44c2df6 100755
--- a/scripts/Lindent
+++ b/scripts/Lindent
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 PARAM="-npro -kr -i8 -ts8 -sob -l80 -ss -ncs -cp1"
 
diff --git a/scripts/Makefile b/scripts/Makefile
index c06f4997d700..25ab143cbe14 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ###
 # scripts contains sources for various helper programs used throughout
 # the kernel for the build process.
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index a6c8c1780855..524eeedc8d25 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # include/asm-generic contains a lot of files that are used
 # verbatim by several architectures.
 #
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 061d0c3a420a..26ad24aa231c 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Building
 # ==========================================================================
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 50616ea25131..808d09f27ad4 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Cleaning up
 # ==========================================================================
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 993fb85982df..c8ba6e7f9868 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Installing dtb files
 #
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index ae8a1357d01d..c6ebf4239e64 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 #
 # make W=... settings
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index d1f7b0d6be66..b2a95af7df18 100644
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifdef CONFIG_GCC_PLUGINS
   __PLUGINCC := $(call cc-ifversion, -ge, 0408, $(HOSTCXX), $(HOSTCC))
   PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)")
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 343d586e566e..99967948d764 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Installing headers
 #
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 9cfd5c84d76f..10e5c3cb89dc 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Building binaries on the host system
 # Binaries are used during the compilation of the kernel, for example
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 9576775a86f6..1ce7115aa499 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifdef CONFIG_KASAN
 ifdef CONFIG_KASAN_INLINE
 	call_threshold := 10000
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 5e975fee0f5b..04b5633df1cf 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Backward compatibility
 asflags-y  += $(EXTRA_AFLAGS)
 ccflags-y  += $(EXTRA_CFLAGS)
diff --git a/scripts/Makefile.modbuiltin b/scripts/Makefile.modbuiltin
index 1adb974e6950..a763b4775d06 100644
--- a/scripts/Makefile.modbuiltin
+++ b/scripts/Makefile.modbuiltin
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Generating modules.builtin
 # ==========================================================================
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 07650eeaaf06..51ca0244fc8a 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Installing modules
 # ==========================================================================
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 16923ba4b5b1..b8278b51cd9a 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # Module versions
 # ===========================================================================
diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign
index b6ac7084da79..171483bc0538 100644
--- a/scripts/Makefile.modsign
+++ b/scripts/Makefile.modsign
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Signing modules
 # ==========================================================================
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan
index 3b1b13818d59..8fd4d44fbcd1 100644
--- a/scripts/Makefile.ubsan
+++ b/scripts/Makefile.ubsan
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifdef CONFIG_UBSAN
       CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
       CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
diff --git a/scripts/check_00index.sh b/scripts/check_00index.sh
index 6ac9527aeddb..aa47f5926c80 100755
--- a/scripts/check_00index.sh
+++ b/scripts/check_00index.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 cd Documentation/
 
diff --git a/scripts/check_extable.sh b/scripts/check_extable.sh
index 0fb6b1c97c27..93af93c7b346 100755
--- a/scripts/check_extable.sh
+++ b/scripts/check_extable.sh
@@ -1,4 +1,5 @@
 #! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # (c) 2015, Quentin Casasnovas <quentin.casasnovas@oracle.com>
 
 obj=$1
diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl
index ce9edefd6e0b..b514a956d550 100755
--- a/scripts/checkincludes.pl
+++ b/scripts/checkincludes.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # checkincludes: find/remove files included more than once
 #
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 7f4c41717e26..cb993801e4b2 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 
 #	Check the stack usage of functions
 #
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 5a387a264201..ee3dfb5be6cd 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # Check if current architecture are missing any function calls compared
 # to i386.
diff --git a/scripts/checkversion.pl b/scripts/checkversion.pl
index 8b4f205234b5..f67b125c5269 100755
--- a/scripts/checkversion.pl
+++ b/scripts/checkversion.pl
@@ -1,4 +1,5 @@
 #! /usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
 # without including <linux/version.h>, or cases of
diff --git a/scripts/cleanfile b/scripts/cleanfile
index 72e3755327ae..c00c69b9171a 100755
--- a/scripts/cleanfile
+++ b/scripts/cleanfile
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # Clean a text file -- or directory of text files -- of stealth whitespace.
 # WARNING: this can be a highly destructive operation.  Use with caution.
diff --git a/scripts/cleanpatch b/scripts/cleanpatch
index 3e5a2303dc0e..9f1755271516 100755
--- a/scripts/cleanpatch
+++ b/scripts/cleanpatch
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # Clean a patch file -- or directory of patch files -- of stealth whitespace.
 # WARNING: this can be a highly destructive operation.  Use with caution.
diff --git a/scripts/coccicheck b/scripts/coccicheck
index ec487b8e7051..28ad1feff9e1 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # Linux kernel coccicheck
 #
 # Read Documentation/dev-tools/coccinelle.rst
diff --git a/scripts/coccinelle/api/d_find_alias.cocci b/scripts/coccinelle/api/d_find_alias.cocci
index 9594c9f7eb8d..47e050166f20 100644
--- a/scripts/coccinelle/api/d_find_alias.cocci
+++ b/scripts/coccinelle/api/d_find_alias.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Make sure calls to d_find_alias() have a corresponding call to dput().
 //
 // Keywords: d_find_alias, dput
diff --git a/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci b/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
index 85cf5408d378..7c312310547c 100644
--- a/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
+++ b/scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
 /// for debugfs files.
 ///
diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
index 0c7a9265c07e..bf1313274f0b 100644
--- a/scripts/coccinelle/api/drm-get-put.cocci
+++ b/scripts/coccinelle/api/drm-get-put.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 ///
 /// Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
 /// drm_*_unreference() helpers.
diff --git a/scripts/coccinelle/api/simple_open.cocci b/scripts/coccinelle/api/simple_open.cocci
index bd1a2a4ee106..c121876d54ec 100644
--- a/scripts/coccinelle/api/simple_open.cocci
+++ b/scripts/coccinelle/api/simple_open.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Remove an open coded simple_open() function
 /// and replace file operations references to the function
 /// with simple_open() instead.
diff --git a/scripts/coccinelle/api/vma_pages.cocci b/scripts/coccinelle/api/vma_pages.cocci
index 3e52e11ea1dc..10511b9bf35e 100644
--- a/scripts/coccinelle/api/vma_pages.cocci
+++ b/scripts/coccinelle/api/vma_pages.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 ///
 /// Use vma_pages function on vma object instead of explicit computation.
 ///
diff --git a/scripts/coccinelle/misc/boolreturn.cocci b/scripts/coccinelle/misc/boolreturn.cocci
index a43c7b0c36ef..29d2bf41e95d 100644
--- a/scripts/coccinelle/misc/boolreturn.cocci
+++ b/scripts/coccinelle/misc/boolreturn.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Return statements in functions returning bool should use
 /// true/false instead of 1/0.
 //
diff --git a/scripts/coccinelle/misc/irqf_oneshot.cocci b/scripts/coccinelle/misc/irqf_oneshot.cocci
index f698d6d0f5d7..7b48287b3dc1 100644
--- a/scripts/coccinelle/misc/irqf_oneshot.cocci
+++ b/scripts/coccinelle/misc/irqf_oneshot.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
 /// threaded IRQs without a primary handler need to be requested with
 /// IRQF_ONESHOT, otherwise the request will fail.
diff --git a/scripts/coccinelle/misc/of_table.cocci b/scripts/coccinelle/misc/of_table.cocci
index 2294915a19bc..4693ea744753 100644
--- a/scripts/coccinelle/misc/of_table.cocci
+++ b/scripts/coccinelle/misc/of_table.cocci
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /// Make sure (of/i2c/platform)_device_id tables are NULL terminated
 //
 // Keywords: of_table i2c_table platform_table
diff --git a/scripts/config b/scripts/config
index 026aeb4f32ee..e0e39826dae9 100755
--- a/scripts/config
+++ b/scripts/config
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # Manipulate options in a .config file from the command line
 
 myname=${0##*/}
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 5206d99ddeb8..64220e36ce3b 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # (c) 2014, Sasha Levin <sasha.levin@oracle.com>
 #set -x
 
diff --git a/scripts/decodecode b/scripts/decodecode
index d8824f37acce..438120da1361 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Disassemble the Code: line in Linux oopses
 # usage: decodecode < oops.file
 #
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 122599b1c13b..9831cca31240 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # A depmod wrapper used by the toplevel Makefile
 
diff --git a/scripts/diffconfig b/scripts/diffconfig
index 0db267d0adc9..89abf777f197 100755
--- a/scripts/diffconfig
+++ b/scripts/diffconfig
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# SPDX-License-Identifier: GPL-2.0
 #
 # diffconfig - a tool to compare .config files.
 #
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 2a48022c41e7..0dc922bb7aea 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # scripts/dtc makefile
 
 hostprogs-y	:= dtc
diff --git a/scripts/dtc/fdtdump.c b/scripts/dtc/fdtdump.c
index 207a46d64864..7d460a50b513 100644
--- a/scripts/dtc/fdtdump.c
+++ b/scripts/dtc/fdtdump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT gmail.com>
  */
diff --git a/scripts/dtc/update-dtc-source.sh b/scripts/dtc/update-dtc-source.sh
index b8ebcc6722d2..62f0d5325fd3 100755
--- a/scripts/dtc/update-dtc-source.sh
+++ b/scripts/dtc/update-dtc-source.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Simple script to update the version of DTC carried by the Linux kernel
 #
 # This script assumes that the dtc and the linux git trees are in the
diff --git a/scripts/extract-module-sig.pl b/scripts/extract-module-sig.pl
index 0f161ea41261..36a2f59c4e41 100755
--- a/scripts/extract-module-sig.pl
+++ b/scripts/extract-module-sig.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # extract-mod-sig <part> <module-file>
 #
diff --git a/scripts/extract-sys-certs.pl b/scripts/extract-sys-certs.pl
index 2aa873b944e0..fa8ab15118cc 100755
--- a/scripts/extract-sys-certs.pl
+++ b/scripts/extract-sys-certs.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 use warnings;
 use strict;
diff --git a/scripts/faddr2line b/scripts/faddr2line
index 2f6ce802397d..1f5ce959f596 100755
--- a/scripts/faddr2line
+++ b/scripts/faddr2line
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Translate stack dump function offsets.
 #
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
index c9469d34ecc6..083c526073ef 100755
--- a/scripts/gcc-goto.sh
+++ b/scripts/gcc-goto.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Test for gcc 'asm goto' support
 # Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
 
diff --git a/scripts/gcc-ld b/scripts/gcc-ld
index cadab9a13ed7..997b818c3962 100755
--- a/scripts/gcc-ld
+++ b/scripts/gcc-ld
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # run gcc with ld options
 # used as a wrapper to execute link time optimizations
 # yes virginia, this is not pretty
diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh
index b65224bfb847..d3caefe53eab 100755
--- a/scripts/gcc-plugin.sh
+++ b/scripts/gcc-plugin.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 srctree=$(dirname "$0")
 
 SHOW_ERROR=
diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile
index 214eb2335c31..e2ff425f4c7e 100644
--- a/scripts/gcc-plugins/Makefile
+++ b/scripts/gcc-plugins/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
 
 ifeq ($(PLUGINCC),$(HOSTCC))
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 6948898b3cdf..ffd1dfaa1cc1 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GCC_COMMON_H_INCLUDED
 #define GCC_COMMON_H_INCLUDED
 
diff --git a/scripts/gcc-plugins/gcc-generate-gimple-pass.h b/scripts/gcc-plugins/gcc-generate-gimple-pass.h
index 526c3c79b68e..f20797e80b6d 100644
--- a/scripts/gcc-plugins/gcc-generate-gimple-pass.h
+++ b/scripts/gcc-plugins/gcc-generate-gimple-pass.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generator for GIMPLE pass related boilerplate code/data
  *
diff --git a/scripts/gcc-plugins/gcc-generate-ipa-pass.h b/scripts/gcc-plugins/gcc-generate-ipa-pass.h
index 9bd926e072f0..92bb4f3a87a4 100644
--- a/scripts/gcc-plugins/gcc-generate-ipa-pass.h
+++ b/scripts/gcc-plugins/gcc-generate-ipa-pass.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generator for IPA pass related boilerplate code/data
  *
diff --git a/scripts/gcc-plugins/gcc-generate-rtl-pass.h b/scripts/gcc-plugins/gcc-generate-rtl-pass.h
index 1dc67a5aeadf..d69cd80b6c10 100644
--- a/scripts/gcc-plugins/gcc-generate-rtl-pass.h
+++ b/scripts/gcc-plugins/gcc-generate-rtl-pass.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generator for RTL pass related boilerplate code/data
  *
diff --git a/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h b/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h
index a27e2b36afaa..06800bc477e0 100644
--- a/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h
+++ b/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generator for SIMPLE_IPA pass related boilerplate code/data
  *
diff --git a/scripts/gcc-plugins/gen-random-seed.sh b/scripts/gcc-plugins/gen-random-seed.sh
index 7514850f4815..68af5cc20a64 100644
--- a/scripts/gcc-plugins/gen-random-seed.sh
+++ b/scripts/gcc-plugins/gen-random-seed.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if [ ! -f "$1" ]; then
 	SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'`
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 7f2126df91f2..11bb909845e7 100755
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # gcc-version [-p] gcc-command
 #
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
index 12dbd0b11ea4..6b2aeefb9cd3 100755
--- a/scripts/gcc-x86_32-has-stack-protector.sh
+++ b/scripts/gcc-x86_32-has-stack-protector.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
 if [ "$?" -eq "0" ] ; then
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 17867e723a51..4a48bdcd4d6b 100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
 if [ "$?" -eq "0" ] ; then
diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile
index ab3cfe727a4e..aba23be985e4 100644
--- a/scripts/gdb/linux/Makefile
+++ b/scripts/gdb/linux/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 always := gdb-scripts
 
 SRCTREE := $(abspath $(srctree))
diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
index 3c23bab3367b..34d6ab1811a4 100644
--- a/scripts/genksyms/Makefile
+++ b/scripts/genksyms/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 hostprogs-y	:= genksyms
 always		:= $(hostprogs-y)
diff --git a/scripts/headerdep.pl b/scripts/headerdep.pl
index 86ebb9ee7570..ebfcbef4371c 100755
--- a/scripts/headerdep.pl
+++ b/scripts/headerdep.pl
@@ -1,4 +1,5 @@
 #! /usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # Detect cycles in the header file dependency graph
 # Vegard Nossum <vegardno@ifi.uio.no>
diff --git a/scripts/headers.sh b/scripts/headers.sh
index d4dc4de5cea1..e0f883eb39a2 100755
--- a/scripts/headers.sh
+++ b/scripts/headers.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Run headers_$1 command for all suitable architectures
 
 # Stop on error
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index 3091e4ee6ee1..b6aec5e4365f 100755
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 #
 # headers_check.pl execute a number of trivial consistency checks
 #
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index fdebd66f8fc1..4d1ea96e8794 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if [ $# -lt 2 ]
 then
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 8c12c20c55a6..297c1bf35140 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # Kernel configuration targets
 # These targets are used from top-level makefile
diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh
index 55b79ba1ba2a..97f0fee7d173 100755
--- a/scripts/kconfig/check.sh
+++ b/scripts/kconfig/check.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Needed for systems without gettext
 $* -x c -o /dev/null - > /dev/null 2>&1 << EOF
 #include <libintl.h>
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index 2cf23f002d3f..45cb237ab7ef 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LIST_H
 #define LIST_H
 
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index d5398718ec2a..5d86e2dfae59 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <stdarg.h>
 
 /* confdata.c */
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 5075ebf2d3b9..a10bd9d6fafd 100755
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Check ncurses compatibility
 
 # What library to link
diff --git a/scripts/ld-version.sh b/scripts/ld-version.sh
index d135882e2c40..f2be0ff9a738 100755
--- a/scripts/ld-version.sh
+++ b/scripts/ld-version.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 # extract linker version number from stdin and turn into single number
 	{
 	gsub(".*\\)", "");
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index e7b7eee31538..e6818b8e7141 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # link vmlinux
 #
diff --git a/scripts/makelst b/scripts/makelst
index e6581496d820..e432af073a65 100755
--- a/scripts/makelst
+++ b/scripts/makelst
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # A script to dump mixed source code & assembly
 # with correct relocations from System.map
 # Requires the following lines in makefile:
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index fd8fdb91581d..959199c3147e 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 TARGET=$1
 ARCH=$2
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 84af27bf0f99..e19d6565f245 100755
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Generates a small Makefile used in the root of the output
 # directory, to allow make to be started from there.
 # The Makefile also allow for more convinient build of external modules
diff --git a/scripts/mkuboot.sh b/scripts/mkuboot.sh
index 446739c7843a..4b1fe09e9042 100755
--- a/scripts/mkuboot.sh
+++ b/scripts/mkuboot.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # Build U-Boot image when `mkimage' tool is available.
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index b497d9764dcf..42c5d50f2bcc 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD := y
 
 hostprogs-y	:= modpost mk_elfconfig
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index e4d90e50f6fe..6d0193a3c591 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kbuild.h>
 #include <linux/mod_devicetable.h>
 
diff --git a/scripts/mod/mk_elfconfig.c b/scripts/mod/mk_elfconfig.c
index a4fd71d71d65..680eade89be1 100644
--- a/scripts/mod/mk_elfconfig.c
+++ b/scripts/mod/mk_elfconfig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 6a5e1515123b..8453d6ac2f77 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
diff --git a/scripts/package/buildtar b/scripts/package/buildtar
index 51f947118256..e8cc72a51b32 100755
--- a/scripts/package/buildtar
+++ b/scripts/package/buildtar
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # buildtar 0.0.4
diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
index e40b53db7f9f..5dbd2faa2449 100644
--- a/scripts/parse-maintainers.pl
+++ b/scripts/parse-maintainers.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -w
+# SPDX-License-Identifier: GPL-2.0
 
 use strict;
 
diff --git a/scripts/patch-kernel b/scripts/patch-kernel
index 49b4241e814a..033d5916797d 100755
--- a/scripts/patch-kernel
+++ b/scripts/patch-kernel
@@ -1,4 +1,5 @@
 #! /bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Script to apply kernel patches.
 #   usage: patch-kernel [ sourcedir [ patchdir [ stopversion ] [ -acxx ] ] ]
 #     The source directory defaults to /usr/src/linux, and the patch
diff --git a/scripts/profile2linkerlist.pl b/scripts/profile2linkerlist.pl
index f23d7be94394..316e71918ac8 100755
--- a/scripts/profile2linkerlist.pl
+++ b/scripts/profile2linkerlist.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 
 #
 # Takes a (sorted) output of readprofile and turns it into a list suitable for
diff --git a/scripts/prune-kernel b/scripts/prune-kernel
index ab5034e1d081..e8aa940bc0a9 100755
--- a/scripts/prune-kernel
+++ b/scripts/prune-kernel
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 # because I use CONFIG_LOCALVERSION_AUTO, not the same version again and
 # again, /boot and /lib/modules/ eventually fill up.
diff --git a/scripts/selinux/genheaders/Makefile b/scripts/selinux/genheaders/Makefile
index 6fc2b8789a0b..e8c533140981 100644
--- a/scripts/selinux/genheaders/Makefile
+++ b/scripts/selinux/genheaders/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 hostprogs-y	:= genheaders
 HOST_EXTRACFLAGS += \
 	-I$(srctree)/include/uapi -I$(srctree)/include \
diff --git a/scripts/selinux/genheaders/genheaders.c b/scripts/selinux/genheaders/genheaders.c
index 672b069dcfea..fa48fabcb330 100644
--- a/scripts/selinux/genheaders/genheaders.c
+++ b/scripts/selinux/genheaders/genheaders.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 /* NOTE: we really do want to use the kernel headers here */
 #define __EXPORTED_HEADERS__
diff --git a/scripts/selinux/install_policy.sh b/scripts/selinux/install_policy.sh
index f6a0ce71015f..0b86c47baf7d 100755
--- a/scripts/selinux/install_policy.sh
+++ b/scripts/selinux/install_policy.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 if [ `id -u` -ne 0 ]; then
 	echo "$0: must be root to install the selinux policy"
 	exit 1
diff --git a/scripts/selinux/mdp/Makefile b/scripts/selinux/mdp/Makefile
index d6a83cafe59f..e9c92db7e2a3 100644
--- a/scripts/selinux/mdp/Makefile
+++ b/scripts/selinux/mdp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 hostprogs-y	:= mdp
 HOST_EXTRACFLAGS += \
 	-I$(srctree)/include/uapi -I$(srctree)/include \
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 966dd3924ea9..71f39410691b 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # This scripts adds local version information from the version
 # control systems git, mercurial (hg) and subversion (svn).
diff --git a/scripts/stackdelta b/scripts/stackdelta
index 20a79f19a111..44d2dfd6216f 100755
--- a/scripts/stackdelta
+++ b/scripts/stackdelta
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
 
 # Read two files produced by the stackusage script, and show the
 # delta between them.
diff --git a/scripts/stackusage b/scripts/stackusage
index 8cf26640ef8a..56ef1ab670ac 100755
--- a/scripts/stackusage
+++ b/scripts/stackusage
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 outfile=""
 now=`date +%s`
diff --git a/scripts/tracing/ftrace-bisect.sh b/scripts/tracing/ftrace-bisect.sh
index 9ff8ac5fc53c..926701162bc8 100755
--- a/scripts/tracing/ftrace-bisect.sh
+++ b/scripts/tracing/ftrace-bisect.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Here's how to use this:
 #
diff --git a/scripts/ver_linux b/scripts/ver_linux
index b51de8a7e2a3..545ec7388eb7 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -1,4 +1,5 @@
 #!/usr/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 # Before running this script please ensure that your PATH is
 # typical as you use for compilation/installation. I use
 # /bin /sbin /usr/bin /usr/sbin /usr/local/bin, but it may
diff --git a/scripts/xen-hypercalls.sh b/scripts/xen-hypercalls.sh
index 676d9226814f..f18b00843df3 100644
--- a/scripts/xen-hypercalls.sh
+++ b/scripts/xen-hypercalls.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 out="$1"
 shift
 in="$@"
diff --git a/security/Makefile b/security/Makefile
index f2d71cdb8e19..4d2d3782ddef 100644
--- a/security/Makefile
+++ b/security/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the kernel security code
 #
diff --git a/security/apparmor/Makefile b/security/apparmor/Makefile
index dafdd387d42b..e7ff2183532a 100644
--- a/security/apparmor/Makefile
+++ b/security/apparmor/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for AppArmor Linux Security Module
 #
 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 03c1652c9a1f..5ef7e5240563 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * device_cgroup.c - device cgroup subsystem
  *
diff --git a/security/integrity/Makefile b/security/integrity/Makefile
index 8d1f4bf51087..04d6e462b079 100644
--- a/security/integrity/Makefile
+++ b/security/integrity/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for caching inode integrity data (iint)
 #
diff --git a/security/integrity/ima/Makefile b/security/integrity/ima/Makefile
index 29f198bde02b..d921dc4f9eb0 100644
--- a/security/integrity/ima/Makefile
+++ b/security/integrity/ima/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for building Trusted Computing Group's(TCG) runtime Integrity
 # Measurement Architecture(IMA).
diff --git a/security/keys/Makefile b/security/keys/Makefile
index 57dff0c15809..ef1581b337a3 100644
--- a/security/keys/Makefile
+++ b/security/keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for key management
 #
diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile
index d6f8433250a5..7a44dce6f69d 100644
--- a/security/keys/encrypted-keys/Makefile
+++ b/security/keys/encrypted-keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for encrypted keys
 #
diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h
index 47802c0de735..1809995db452 100644
--- a/security/keys/encrypted-keys/encrypted.h
+++ b/security/keys/encrypted-keys/encrypted.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ENCRYPTED_KEY_H
 #define __ENCRYPTED_KEY_H
 
diff --git a/security/keys/trusted.h b/security/keys/trusted.h
index ff001a5dcb24..8d5fe9eafb22 100644
--- a/security/keys/trusted.h
+++ b/security/keys/trusted.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRUSTED_KEY_H
 #define __TRUSTED_KEY_H
 
diff --git a/security/min_addr.c b/security/min_addr.c
index f728728f193b..94d2b0cf0e7b 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/security.h>
diff --git a/security/selinux/Makefile b/security/selinux/Makefile
index ff5895ede96f..c7161f8792b2 100644
--- a/security/selinux/Makefile
+++ b/security/selinux/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for building the SELinux module as part of the kernel tree.
 #
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index a5004e9de11a..57d61cf36500 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Access vector cache interface for object managers.
  *
diff --git a/security/selinux/include/avc_ss.h b/security/selinux/include/avc_ss.h
index 37d57dadd476..3bcc72769b87 100644
--- a/security/selinux/include/avc_ss.h
+++ b/security/selinux/include/avc_ss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Access vector cache interface for the security server.
  *
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index 35ffb29a69cb..cc35695d97b4 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/capability.h>
 
 #define COMMON_FILE_SOCK_PERMS "ioctl", "read", "write", "create", \
diff --git a/security/selinux/include/initial_sid_to_string.h b/security/selinux/include/initial_sid_to_string.h
index a59b64e3fd02..4f93f697f71c 100644
--- a/security/selinux/include/initial_sid_to_string.h
+++ b/security/selinux/include/initial_sid_to_string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* This file is automatically generated.  Do not edit. */
 static const char *initial_sid_to_string[] =
 {
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 28dfb2f93e4d..02f0412d42f2 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Security server interface.
  *
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 36a7ce9e11ff..1f173a7a4daa 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * SELinux support for the XFRM LSM hooks
  *
diff --git a/security/selinux/ss/constraint.h b/security/selinux/ss/constraint.h
index 33ae2aec4f36..4e563be9ef5f 100644
--- a/security/selinux/ss/constraint.h
+++ b/security/selinux/ss/constraint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A constraint is a condition that must be satisfied in
  * order for one or more permissions to be granted.
diff --git a/security/selinux/ss/context.h b/security/selinux/ss/context.h
index a2c0f37c42ae..2260c44a568c 100644
--- a/security/selinux/ss/context.h
+++ b/security/selinux/ss/context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A security context is a set of security attributes
  * associated with each subject and object controlled
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index fc28149a4f2e..b6a78b09235c 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the extensible bitmap type.
  *
diff --git a/security/selinux/ss/ebitmap.h b/security/selinux/ss/ebitmap.h
index da1325dda550..edf4fa39c60a 100644
--- a/security/selinux/ss/ebitmap.h
+++ b/security/selinux/ss/ebitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * An extensible bitmap is a bitmap that supports an
  * arbitrary number of bits.  Extensible bitmaps are
diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 686c3917064c..6bd6dcd954fa 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the hash table type.
  *
diff --git a/security/selinux/ss/hashtab.h b/security/selinux/ss/hashtab.h
index 009fb5e06172..3e3e42bfd150 100644
--- a/security/selinux/ss/hashtab.h
+++ b/security/selinux/ss/hashtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A hash table (hashtab) maintains associations between
  * key values and datum values.  The type of the key values
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index d9dc34f4fade..ad982ce8bfa4 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the multi-level security (MLS) policy.
  *
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index 0f0a1d65b2ce..131d76266ea5 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Multi-level security (MLS) policy operations.
  *
diff --git a/security/selinux/ss/mls_types.h b/security/selinux/ss/mls_types.h
index 47f3702cd596..068e0d7809db 100644
--- a/security/selinux/ss/mls_types.h
+++ b/security/selinux/ss/mls_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Type definitions for the multi-level security (MLS) policy.
  *
diff --git a/security/selinux/ss/services.h b/security/selinux/ss/services.h
index 3d9fa9556b4f..356bdd36cf6d 100644
--- a/security/selinux/ss/services.h
+++ b/security/selinux/ss/services.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Implementation of the security services.
  *
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index 6ae08efc5ae7..5be31b7af225 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the SID table type.
  *
diff --git a/security/selinux/ss/sidtab.h b/security/selinux/ss/sidtab.h
index de5d0ea583d2..a1a1d2617b6f 100644
--- a/security/selinux/ss/sidtab.h
+++ b/security/selinux/ss/sidtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A security identifier table (sidtab) is a hash table
  * of security context structures indexed by SID value.
diff --git a/security/selinux/ss/symtab.c b/security/selinux/ss/symtab.c
index d1a6745849a7..dc2ce94165d3 100644
--- a/security/selinux/ss/symtab.c
+++ b/security/selinux/ss/symtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implementation of the symbol table type.
  *
diff --git a/security/selinux/ss/symtab.h b/security/selinux/ss/symtab.h
index 0bc12d587d3a..d75fcafe7281 100644
--- a/security/selinux/ss/symtab.h
+++ b/security/selinux/ss/symtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * A symbol table (symtab) maintains associations between symbol
  * strings and datum values.  The type of the datum values
diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile
index 65dbcb2fd850..b7c6a7ffc058 100644
--- a/security/tomoyo/Makefile
+++ b/security/tomoyo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y = audit.o common.o condition.o domain.o environ.o file.o gc.o group.o load_policy.o memory.o mount.o network.o realpath.o securityfs_if.o tomoyo.o util.o
 
 targets += builtin-policy.h
diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c
index 3ffa4f5509d8..d330b060dcff 100644
--- a/security/tomoyo/audit.c
+++ b/security/tomoyo/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/audit.c
  *
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index e0fb75052550..21691b99e61f 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/common.c
  *
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 361e7a284699..e4097d7994b1 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * security/tomoyo/common.h
  *
diff --git a/security/tomoyo/condition.c b/security/tomoyo/condition.c
index 6c4528d4b48f..8d0e1b9c9c57 100644
--- a/security/tomoyo/condition.c
+++ b/security/tomoyo/condition.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/condition.c
  *
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index 00d223e9fb37..f6758dad981f 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/domain.c
  *
diff --git a/security/tomoyo/environ.c b/security/tomoyo/environ.c
index ad4c6e18a437..7f0a471f19b2 100644
--- a/security/tomoyo/environ.c
+++ b/security/tomoyo/environ.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/environ.c
  *
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 223f21ffa632..2a374b4da8f5 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/file.c
  *
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index 540bc29e1b5a..e22bea811c57 100644
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/gc.c
  *
diff --git a/security/tomoyo/group.c b/security/tomoyo/group.c
index 944ad77d8fba..21b0cc3a7e1a 100644
--- a/security/tomoyo/group.c
+++ b/security/tomoyo/group.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/group.c
  *
diff --git a/security/tomoyo/load_policy.c b/security/tomoyo/load_policy.c
index 078fac0bb4c5..81b951652051 100644
--- a/security/tomoyo/load_policy.c
+++ b/security/tomoyo/load_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/load_policy.c
  *
diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c
index 1598b559ac42..12477e0b0a11 100644
--- a/security/tomoyo/memory.c
+++ b/security/tomoyo/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/memory.c
  *
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index 14b53fb2a0cf..807fd91dbb54 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/mount.c
  *
diff --git a/security/tomoyo/network.c b/security/tomoyo/network.c
index 6c02ac478247..cd6932e5225c 100644
--- a/security/tomoyo/network.c
+++ b/security/tomoyo/network.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/network.c
  *
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index a97b275ca3af..6ff8c21e4fff 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/realpath.c
  *
diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c
index 06ab41b1ff28..49393c2a3f8b 100644
--- a/security/tomoyo/securityfs_if.c
+++ b/security/tomoyo/securityfs_if.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/securityfs_if.c
  *
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index d25b705360e0..213b8c593668 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/tomoyo.c
  *
diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c
index 848317fea704..580b318910f1 100644
--- a/security/tomoyo/util.c
+++ b/security/tomoyo/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * security/tomoyo/util.c
  *
diff --git a/sound/Makefile b/sound/Makefile
index 6de45d2c32f7..f2d1d093bcdc 100644
--- a/sound/Makefile
+++ b/sound/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux sound card driver
 #
 
diff --git a/sound/aoa/codecs/Makefile b/sound/aoa/codecs/Makefile
index c3ee77fc4b2d..95f4c3849d55 100644
--- a/sound/aoa/codecs/Makefile
+++ b/sound/aoa/codecs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-aoa-codec-onyx-objs := onyx.o
 snd-aoa-codec-tas-objs := tas.o
 snd-aoa-codec-toonie-objs := toonie.o
diff --git a/sound/aoa/codecs/tas-basstreble.h b/sound/aoa/codecs/tas-basstreble.h
index 69b61136fd54..770935af66af 100644
--- a/sound/aoa/codecs/tas-basstreble.h
+++ b/sound/aoa/codecs/tas-basstreble.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is only included exactly once!
  *
diff --git a/sound/aoa/codecs/tas-gain-table.h b/sound/aoa/codecs/tas-gain-table.h
index 4cfa6757715e..77b8e7dc55fd 100644
--- a/sound/aoa/codecs/tas-gain-table.h
+++ b/sound/aoa/codecs/tas-gain-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  This is the program used to generate below table.
 
diff --git a/sound/aoa/core/Makefile b/sound/aoa/core/Makefile
index a1596e88c718..056d69683b1e 100644
--- a/sound/aoa/core/Makefile
+++ b/sound/aoa/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SND_AOA) += snd-aoa.o
 snd-aoa-objs := core.o \
 		alsa.o \
diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c
index 5b2d51d99768..81da020bddef 100644
--- a/sound/aoa/soundbus/sysfs.c
+++ b/sound/aoa/soundbus/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/stat.h>
 /* FIX UP */
diff --git a/sound/arm/Makefile b/sound/arm/Makefile
index 8c0c851d4641..e10d5b169565 100644
--- a/sound/arm/Makefile
+++ b/sound/arm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 #
diff --git a/sound/core/Makefile b/sound/core/Makefile
index e2066e2ef9f8..ee4a4a6b99ba 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 1999,2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/core/oss/Makefile b/sound/core/oss/Makefile
index 10a79453245f..ae25edcc3b42 100644
--- a/sound/core/oss/Makefile
+++ b/sound/core/oss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/core/pcm_param_trace.h b/sound/core/pcm_param_trace.h
index 86c8d658a25c..08abba3133ab 100644
--- a/sound/core/pcm_param_trace.h
+++ b/sound/core/pcm_param_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM snd_pcm
 
diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h
index 3ddec1b8ae46..f18da2050772 100644
--- a/sound/core/pcm_trace.h
+++ b/sound/core/pcm_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM snd_pcm
 #define TRACE_INCLUDE_FILE pcm_trace
diff --git a/sound/core/seq/Makefile b/sound/core/seq/Makefile
index 68fd367ac39c..3a2177a7e50c 100644
--- a/sound/core/seq/Makefile
+++ b/sound/core/seq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/core/seq/seq_lock.h b/sound/core/seq/seq_lock.h
index ac38031c370e..a973860ebcd0 100644
--- a/sound/core/seq/seq_lock.h
+++ b/sound/core/seq/seq_lock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SND_SEQ_LOCK_H
 #define __SND_SEQ_LOCK_H
 
diff --git a/sound/drivers/Makefile b/sound/drivers/Makefile
index 1a8440c8b138..615558a281c8 100644
--- a/sound/drivers/Makefile
+++ b/sound/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/opl3/Makefile b/sound/drivers/opl3/Makefile
index d72b1e7b51c4..83bca9f1fbdf 100644
--- a/sound/drivers/opl3/Makefile
+++ b/sound/drivers/opl3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/opl4/Makefile b/sound/drivers/opl4/Makefile
index c8eaa433d71a..6e86a4092b4c 100644
--- a/sound/drivers/opl4/Makefile
+++ b/sound/drivers/opl4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h
index fc7a2dc410a1..036ad3c99a43 100644
--- a/sound/drivers/pcsp/pcsp.h
+++ b/sound/drivers/pcsp/pcsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_input.h b/sound/drivers/pcsp/pcsp_input.h
index d692749b8c9b..e80079b38a56 100644
--- a/sound/drivers/pcsp/pcsp_input.h
+++ b/sound/drivers/pcsp/pcsp_input.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index 2f5a35f38ce1..8f0f05bbc081 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index f1e1defc09b1..be2990451bcd 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/firewire/Makefile b/sound/firewire/Makefile
index 1b98fa3fa3d4..44a7b510b75b 100644
--- a/sound/firewire/Makefile
+++ b/sound/firewire/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # To find a header included by define_trace.h.
 CFLAGS_amdtp-stream.o	:= -I$(src)
 
diff --git a/sound/firewire/amdtp-am824.h b/sound/firewire/amdtp-am824.h
index b56e61fc997d..06d280783581 100644
--- a/sound/firewire/amdtp-am824.h
+++ b/sound/firewire/amdtp-am824.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
 #define SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
 
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index ed6eafd10992..a608dae83348 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_AMDTP_H_INCLUDED
 #define SOUND_FIREWIRE_AMDTP_H_INCLUDED
 
diff --git a/sound/firewire/bebob/Makefile b/sound/firewire/bebob/Makefile
index dd454867240d..14bc84c51ef5 100644
--- a/sound/firewire/bebob/Makefile
+++ b/sound/firewire/bebob/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-bebob-objs := bebob_command.o bebob_stream.o bebob_proc.o bebob_midi.o \
 		  bebob_pcm.o bebob_hwdep.o bebob_terratec.o \
 		  bebob_yamaha_terratec.o bebob_focusrite.o bebob_maudio.o \
diff --git a/sound/firewire/cmp.h b/sound/firewire/cmp.h
index ebcb48484fca..b60b415caa8f 100644
--- a/sound/firewire/cmp.h
+++ b/sound/firewire/cmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_CMP_H_INCLUDED
 #define SOUND_FIREWIRE_CMP_H_INCLUDED
 
diff --git a/sound/firewire/dice/dice-interface.h b/sound/firewire/dice/dice-interface.h
index 47f2c0a6f5d9..15a484b05298 100644
--- a/sound/firewire/dice/dice-interface.h
+++ b/sound/firewire/dice/dice-interface.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_DICE_INTERFACE_H_INCLUDED
 #define SOUND_FIREWIRE_DICE_INTERFACE_H_INCLUDED
 
diff --git a/sound/firewire/fcp.h b/sound/firewire/fcp.h
index 63ae4f7ce3af..512f7c40903a 100644
--- a/sound/firewire/fcp.h
+++ b/sound/firewire/fcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_FCP_H_INCLUDED
 #define SOUND_FIREWIRE_FCP_H_INCLUDED
 
diff --git a/sound/firewire/iso-resources.h b/sound/firewire/iso-resources.h
index 5a9af7c61657..34f85e9e8830 100644
--- a/sound/firewire/iso-resources.h
+++ b/sound/firewire/iso-resources.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_ISO_RESOURCES_H_INCLUDED
 #define SOUND_FIREWIRE_ISO_RESOURCES_H_INCLUDED
 
diff --git a/sound/firewire/lib.h b/sound/firewire/lib.h
index eef70922ed89..dc815dc3933e 100644
--- a/sound/firewire/lib.h
+++ b/sound/firewire/lib.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
 #define SOUND_FIREWIRE_LIB_H_INCLUDED
 
diff --git a/sound/firewire/motu/Makefile b/sound/firewire/motu/Makefile
index 728f586e754b..7c502d35103c 100644
--- a/sound/firewire/motu/Makefile
+++ b/sound/firewire/motu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS_amdtp-motu.o	:= -I$(src)
 
 snd-firewire-motu-objs := motu.o amdtp-motu.o motu-transaction.o motu-stream.o \
diff --git a/sound/firewire/packets-buffer.h b/sound/firewire/packets-buffer.h
index 6513c5cb6ea9..99e963c271e1 100644
--- a/sound/firewire/packets-buffer.h
+++ b/sound/firewire/packets-buffer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 #define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 
diff --git a/sound/hda/Makefile b/sound/hda/Makefile
index 3b9bedee2fa4..e4e726f2ce98 100644
--- a/sound/hda/Makefile
+++ b/sound/hda/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-hda-core-objs := hda_bus_type.o hdac_bus.o hdac_device.o hdac_sysfs.o \
 	hdac_regmap.o hdac_controller.o hdac_stream.o array.o hdmi_chmap.o
 
diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c
index 42d61bf41969..3c2d45ee6ab8 100644
--- a/sound/hda/hdac_sysfs.c
+++ b/sound/hda/hdac_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sysfs support for HD-audio core device
  */
diff --git a/sound/hda/local.h b/sound/hda/local.h
index 0d5bb159d538..7258fa8ce268 100644
--- a/sound/hda/local.h
+++ b/sound/hda/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Local helper macros and functions for HD-audio core drivers
  */
diff --git a/sound/hda/trace.h b/sound/hda/trace.h
index e27e2c0b7b17..70af6c815089 100644
--- a/sound/hda/trace.h
+++ b/sound/hda/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hda
 
diff --git a/sound/i2c/Makefile b/sound/i2c/Makefile
index 36879bf88700..09978855e08e 100644
--- a/sound/i2c/Makefile
+++ b/sound/i2c/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
index 5526b03b95a2..1a4ce1236146 100644
--- a/sound/i2c/other/Makefile
+++ b/sound/i2c/other/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/isa/Makefile b/sound/isa/Makefile
index 9a15f1497b10..5eaddbf4a712 100644
--- a/sound/isa/Makefile
+++ b/sound/isa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/isa/gus/Makefile b/sound/isa/gus/Makefile
index 6cd4ee03754a..c6f32ffd3420 100644
--- a/sound/isa/gus/Makefile
+++ b/sound/isa/gus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/isa/msnd/Makefile b/sound/isa/msnd/Makefile
index 2171c0aa2f62..ec231a7b1d5e 100644
--- a/sound/isa/msnd/Makefile
+++ b/sound/isa/msnd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 snd-msnd-lib-objs := msnd.o msnd_midi.o msnd_pinnacle_mixer.o
 snd-msnd-pinnacle-objs := msnd_pinnacle.o
diff --git a/sound/isa/opti9xx/Makefile b/sound/isa/opti9xx/Makefile
index b4d894db257a..a9dcdeb502bd 100644
--- a/sound/isa/opti9xx/Makefile
+++ b/sound/isa/opti9xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/isa/sb/Makefile b/sound/isa/sb/Makefile
index 08b9fb974658..f174a5b3c8e4 100644
--- a/sound/isa/sb/Makefile
+++ b/sound/isa/sb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/oss/Makefile b/sound/oss/Makefile
index 9bdbbde2173e..6564eace4749 100644
--- a/sound/oss/Makefile
+++ b/sound/oss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux sound card driver
 #
 # 18 Apr 1998, Michael Elizabeth Chastain, <mailto:mec@shout.net>
diff --git a/sound/oss/ad1848.h b/sound/oss/ad1848.h
index b95ebe28d426..390f03e13d09 100644
--- a/sound/oss/ad1848.h
+++ b/sound/oss/ad1848.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #include <linux/interrupt.h>
 
diff --git a/sound/oss/bin2hex.c b/sound/oss/bin2hex.c
index b59109eb0db4..26c04ce04d71 100644
--- a/sound/oss/bin2hex.c
+++ b/sound/oss/bin2hex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/sound/oss/dmasound/dmasound.h b/sound/oss/dmasound/dmasound.h
index 01019f06fa91..c1c52b479da2 100644
--- a/sound/oss/dmasound/dmasound.h
+++ b/sound/oss/dmasound/dmasound.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _dmasound_h_
 /*
  *  linux/sound/oss/dmasound/dmasound.h
diff --git a/sound/oss/hex2hex.c b/sound/oss/hex2hex.c
index 041ef5c52bc2..f76d729b0196 100644
--- a/sound/oss/hex2hex.c
+++ b/sound/oss/hex2hex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * hex2hex reads stdin in Intel HEX format and produces an
  * (unsigned char) array which contains the bytes and writes it
diff --git a/sound/oss/midi_ctrl.h b/sound/oss/midi_ctrl.h
index 3353e5a67c24..240d0c719f1e 100644
--- a/sound/oss/midi_ctrl.h
+++ b/sound/oss/midi_ctrl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static unsigned char ctrl_def_values[128] =
 {
 	0x40,0x00,0x40,0x40,  0x40,0x40,0x40,0x7f,	/*   0 to   7 */
diff --git a/sound/oss/midi_synth.h b/sound/oss/midi_synth.h
index b64ddd6c4abc..1cf676c7510e 100644
--- a/sound/oss/midi_synth.h
+++ b/sound/oss/midi_synth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 int midi_synth_ioctl (int dev,
 	    unsigned int cmd, void __user * arg);
 int midi_synth_kill_note (int dev, int channel, int note, int velocity);
diff --git a/sound/oss/mpu401.h b/sound/oss/mpu401.h
index 0ad1e9ee74f7..6beb8c2ae405 100644
--- a/sound/oss/mpu401.h
+++ b/sound/oss/mpu401.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*	From uart401.c */
 int probe_uart401 (struct address_info *hw_config, struct module *owner);
diff --git a/sound/oss/os.h b/sound/oss/os.h
index 0bf89e1d679c..16f3a069b85c 100644
--- a/sound/oss/os.h
+++ b/sound/oss/os.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define ALLOW_SELECT
 #undef NO_INLINE_ASM
 #define SHORT_BANNERS
diff --git a/sound/oss/pas2.h b/sound/oss/pas2.h
index d19f757dbd79..57f476238309 100644
--- a/sound/oss/pas2.h
+++ b/sound/oss/pas2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*	From pas_card.c	*/
 int pas_set_intr(int mask);
diff --git a/sound/oss/sb.h b/sound/oss/sb.h
index 77e8891ce333..bb1d18709b36 100644
--- a/sound/oss/sb.h
+++ b/sound/oss/sb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define DSP_RESET	(devc->base + 0x6)
 #define DSP_READ	(devc->base + 0xA)
 #define DSP_WRITE	(devc->base + 0xC)
diff --git a/sound/oss/sb_ess.c b/sound/oss/sb_ess.c
index 57f7d25a2cd3..17e3f14318cd 100644
--- a/sound/oss/sb_ess.c
+++ b/sound/oss/sb_ess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef FKS_LOGGING
 #undef FKS_TEST
 
diff --git a/sound/oss/sb_ess.h b/sound/oss/sb_ess.h
index 38aa072e01f2..1c741212bcfc 100644
--- a/sound/oss/sb_ess.h
+++ b/sound/oss/sb_ess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Created: 9-Jan-1999 Rolf Fokkens
  */
diff --git a/sound/oss/sleep.h b/sound/oss/sleep.h
index a20fc925a5ce..fd17d44d13dd 100644
--- a/sound/oss/sleep.h
+++ b/sound/oss/sleep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/wait.h>
 
 /*
diff --git a/sound/oss/sound_calls.h b/sound/oss/sound_calls.h
index 87d8ad4a0340..bcd3f7340ef7 100644
--- a/sound/oss/sound_calls.h
+++ b/sound/oss/sound_calls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	DMA buffer calls
  */
diff --git a/sound/oss/sound_firmware.h b/sound/oss/sound_firmware.h
index 2be465277ba0..ebcbded0e8c2 100644
--- a/sound/oss/sound_firmware.h
+++ b/sound/oss/sound_firmware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/fs.h>
 
 /**
diff --git a/sound/oss/tuning.h b/sound/oss/tuning.h
index a73e3dd39f9a..953539931237 100644
--- a/sound/oss/tuning.h
+++ b/sound/oss/tuning.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static unsigned short semitone_tuning[24] =
 {
 /*   0 */ 10000, 10595, 11225, 11892, 12599, 13348, 14142, 14983, 
diff --git a/sound/oss/ulaw.h b/sound/oss/ulaw.h
index 0ff8c0a3bda0..ee898a0f78ce 100644
--- a/sound/oss/ulaw.h
+++ b/sound/oss/ulaw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 static unsigned char ulaw_dsp[] = {
      3,    7,   11,   15,   19,   23,   27,   31,
     35,   39,   43,   47,   51,   55,   59,   63,
diff --git a/sound/oss/v_midi.h b/sound/oss/v_midi.h
index 08e2185ee816..f4fc2bed07f8 100644
--- a/sound/oss/v_midi.h
+++ b/sound/oss/v_midi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 typedef struct vmidi_devc {
 	   int dev;
 
diff --git a/sound/oss/waveartist.h b/sound/oss/waveartist.h
index dac4ca910d95..f18d74b26483 100644
--- a/sound/oss/waveartist.h
+++ b/sound/oss/waveartist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/sound/oss/waveartist.h
  *
diff --git a/sound/parisc/harmony.h b/sound/parisc/harmony.h
index 2e434523fedf..f4c29a2e32e8 100644
--- a/sound/parisc/harmony.h
+++ b/sound/parisc/harmony.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Hewlett-Packard Harmony audio driver
  * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
  */
diff --git a/sound/pci/Makefile b/sound/pci/Makefile
index 54fe325e3aa5..04cac7469139 100644
--- a/sound/pci/Makefile
+++ b/sound/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/ad1889.h b/sound/pci/ad1889.h
index 5e6dad5341a1..d6e8d6c19adc 100644
--- a/sound/pci/ad1889.h
+++ b/sound/pci/ad1889.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Analog Devices 1889 audio driver
  * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
  */
diff --git a/sound/pci/asihpi/hpi_version.h b/sound/pci/asihpi/hpi_version.h
index 6623ab110038..016bc55457e3 100644
--- a/sound/pci/asihpi/hpi_version.h
+++ b/sound/pci/asihpi/hpi_version.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /** HPI Version Definitions
 Development releases have odd minor version.
 Production releases have even minor version.
diff --git a/sound/pci/asihpi/hpifunc.c b/sound/pci/asihpi/hpifunc.c
index f9b57647b319..1de05383126a 100644
--- a/sound/pci/asihpi/hpifunc.c
+++ b/sound/pci/asihpi/hpifunc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include "hpi_internal.h"
 #include "hpimsginit.h"
diff --git a/sound/pci/au88x0/Makefile b/sound/pci/au88x0/Makefile
index d0a66bc5d4a7..78ab11562f4d 100644
--- a/sound/pci/au88x0/Makefile
+++ b/sound/pci/au88x0/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-au8810-objs := au8810.o
 snd-au8820-objs := au8820.o
 snd-au8830-objs := au8830.o
diff --git a/sound/pci/au88x0/au8810.c b/sound/pci/au88x0/au8810.c
index 1b2e34069eb3..b2bfa50bfe30 100644
--- a/sound/pci/au88x0/au8810.c
+++ b/sound/pci/au88x0/au8810.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "au8810.h"
 #include "au88x0.h"
 static const struct pci_device_id snd_vortex_ids[] = {
diff --git a/sound/pci/au88x0/au8810.h b/sound/pci/au88x0/au8810.h
index 79fbee3845eb..94f11032067e 100644
--- a/sound/pci/au88x0/au8810.h
+++ b/sound/pci/au88x0/au8810.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
     Aureal Advantage Soundcard driver.
  */
diff --git a/sound/pci/au88x0/au8820.c b/sound/pci/au88x0/au8820.c
index 74c53fa5f06b..dbc2263b49c6 100644
--- a/sound/pci/au88x0/au8820.c
+++ b/sound/pci/au88x0/au8820.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "au8820.h"
 #include "au88x0.h"
 static const struct pci_device_id snd_vortex_ids[] = {
diff --git a/sound/pci/au88x0/au8820.h b/sound/pci/au88x0/au8820.h
index cafdb9668a34..8a128e8febbb 100644
--- a/sound/pci/au88x0/au8820.h
+++ b/sound/pci/au88x0/au8820.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
     Aureal Vortex Soundcard driver.
 
diff --git a/sound/pci/au88x0/au8830.c b/sound/pci/au88x0/au8830.c
index 56f675aad3ad..e963c4e2f026 100644
--- a/sound/pci/au88x0/au8830.c
+++ b/sound/pci/au88x0/au8830.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "au8830.h"
 #include "au88x0.h"
 static const struct pci_device_id snd_vortex_ids[] = {
diff --git a/sound/pci/au88x0/au8830.h b/sound/pci/au88x0/au8830.h
index 999b29ab34ad..40f671ffd45a 100644
--- a/sound/pci/au88x0/au8830.h
+++ b/sound/pci/au88x0/au8830.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
     Aureal Vortex Soundcard driver.
 
diff --git a/sound/pci/au88x0/au88x0_eq.h b/sound/pci/au88x0/au88x0_eq.h
index 474cd0046294..797cdae1db98 100644
--- a/sound/pci/au88x0/au88x0_eq.h
+++ b/sound/pci/au88x0/au88x0_eq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AU88X0_EQ_H
 #define AU88X0_EQ_H
 
diff --git a/sound/pci/au88x0/au88x0_eqdata.c b/sound/pci/au88x0/au88x0_eqdata.c
index ce8dca8ce1e2..49a52d298b1a 100644
--- a/sound/pci/au88x0/au88x0_eqdata.c
+++ b/sound/pci/au88x0/au88x0_eqdata.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Data structs */
 
 static u16 asEqCoefsZeros[50] = {
diff --git a/sound/pci/au88x0/au88x0_mixer.c b/sound/pci/au88x0/au88x0_mixer.c
index a58298cfe7e0..60dd8a091bc3 100644
--- a/sound/pci/au88x0/au88x0_mixer.c
+++ b/sound/pci/au88x0/au88x0_mixer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Vortex Mixer support.
  *
diff --git a/sound/pci/au88x0/au88x0_wt.h b/sound/pci/au88x0/au88x0_wt.h
index 38d98f88a95c..7b2cffad8643 100644
--- a/sound/pci/au88x0/au88x0_wt.h
+++ b/sound/pci/au88x0/au88x0_wt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /***************************************************************************
  *           WT register offsets.
  *
diff --git a/sound/pci/azt3328.h b/sound/pci/azt3328.h
index 6f46b97650cc..6f9022784499 100644
--- a/sound/pci/azt3328.h
+++ b/sound/pci/azt3328.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_AZT3328_H
 #define __SOUND_AZT3328_H
 
diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h
index 0579daa62215..f4fcdf93f3c8 100644
--- a/sound/pci/cs5535audio/cs5535audio.h
+++ b/sound/pci/cs5535audio/cs5535audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_CS5535AUDIO_H
 #define __SOUND_CS5535AUDIO_H
 
diff --git a/sound/pci/ctxfi/cttimer.h b/sound/pci/ctxfi/cttimer.h
index 979348229291..9c5cb403b646 100644
--- a/sound/pci/ctxfi/cttimer.h
+++ b/sound/pci/ctxfi/cttimer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Timer handling
  */
diff --git a/sound/pci/echoaudio/Makefile b/sound/pci/echoaudio/Makefile
index 1361de77e0cd..4865b8fe7434 100644
--- a/sound/pci/echoaudio/Makefile
+++ b/sound/pci/echoaudio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA Echoaudio soundcard drivers
 # Copyright (c) 2003 by Giuliano Pochini <pochini@shiny.it>
diff --git a/sound/pci/emu10k1/Makefile b/sound/pci/emu10k1/Makefile
index 29b44ca27010..17d5527be319 100644
--- a/sound/pci/emu10k1/Makefile
+++ b/sound/pci/emu10k1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 6d83c6e0396a..b57432f00056 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-hda-intel-objs := hda_intel.o
 snd-hda-tegra-objs := hda_tegra.o
 
diff --git a/sound/pci/hda/dell_wmi_helper.c b/sound/pci/hda/dell_wmi_helper.c
index 44b1e15682b9..1b48a8c19d28 100644
--- a/sound/pci/hda/dell_wmi_helper.c
+++ b/sound/pci/hda/dell_wmi_helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Helper functions for Dell Mic Mute LED control;
  * to be included from codec driver
  */
diff --git a/sound/pci/hda/hda_controller_trace.h b/sound/pci/hda/hda_controller_trace.h
index 3e18d99bfb70..bf48304e230a 100644
--- a/sound/pci/hda/hda_controller_trace.h
+++ b/sound/pci/hda/hda_controller_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hda_controller
 #define TRACE_INCLUDE_FILE hda_controller_trace
diff --git a/sound/pci/hda/hda_intel_trace.h b/sound/pci/hda/hda_intel_trace.h
index 0922d8b1b17d..73a7adfa192d 100644
--- a/sound/pci/hda/hda_intel_trace.h
+++ b/sound/pci/hda/hda_intel_trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hda_intel
 #define TRACE_INCLUDE_FILE hda_intel_trace
diff --git a/sound/pci/hda/local.h b/sound/pci/hda/local.h
index 28cb7f98982e..3b8b7d78f9e0 100644
--- a/sound/pci/hda/local.h
+++ b/sound/pci/hda/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  */
 
diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c
index 4d9d320a7971..65bb3ac6af4c 100644
--- a/sound/pci/hda/thinkpad_helper.c
+++ b/sound/pci/hda/thinkpad_helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Helper functions for Thinkpad LED control;
  * to be included from codec driver
  */
diff --git a/sound/pci/ice1712/Makefile b/sound/pci/ice1712/Makefile
index 7e50c1324556..1196f22a9b45 100644
--- a/sound/pci/ice1712/Makefile
+++ b/sound/pci/ice1712/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/ice1712/juli.h b/sound/pci/ice1712/juli.h
index d9f8534fd92e..9c22d4e73ee3 100644
--- a/sound/pci/ice1712/juli.h
+++ b/sound/pci/ice1712/juli.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_JULI_H
 #define __SOUND_JULI_H
 
diff --git a/sound/pci/ice1712/maya44.h b/sound/pci/ice1712/maya44.h
index eafd03a8f4b5..f5a97d987a6f 100644
--- a/sound/pci/ice1712/maya44.h
+++ b/sound/pci/ice1712/maya44.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_MAYA44_H
 #define __SOUND_MAYA44_H
 
diff --git a/sound/pci/ice1712/prodigy192.h b/sound/pci/ice1712/prodigy192.h
index 16a53b459c72..7bfd769ba982 100644
--- a/sound/pci/ice1712/prodigy192.h
+++ b/sound/pci/ice1712/prodigy192.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_PRODIGY192_H
 #define __SOUND_PRODIGY192_H
 
diff --git a/sound/pci/ice1712/psc724.h b/sound/pci/ice1712/psc724.h
index 858e5fd0eebb..e6ce335ae87e 100644
--- a/sound/pci/ice1712/psc724.h
+++ b/sound/pci/ice1712/psc724.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_PSC724_H
 #define __SOUND_PSC724_H
 
diff --git a/sound/pci/ice1712/quartet.h b/sound/pci/ice1712/quartet.h
index 80809b72439a..a1c2fe27185d 100644
--- a/sound/pci/ice1712/quartet.h
+++ b/sound/pci/ice1712/quartet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_QTET_H
 #define __SOUND_QTET_H
 
diff --git a/sound/pci/ice1712/se.h b/sound/pci/ice1712/se.h
index 0b0a9dabdcfb..61348ecef1e0 100644
--- a/sound/pci/ice1712/se.h
+++ b/sound/pci/ice1712/se.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_SE_H
 #define __SOUND_SE_H
 
diff --git a/sound/pci/ice1712/stac946x.h b/sound/pci/ice1712/stac946x.h
index 5b390952d0e4..58f9f17a258a 100644
--- a/sound/pci/ice1712/stac946x.h
+++ b/sound/pci/ice1712/stac946x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_STAC946X_H
 #define __SOUND_STAC946X_H
 
diff --git a/sound/pci/ice1712/wtm.h b/sound/pci/ice1712/wtm.h
index 423c1a204c0b..1cfcbde15f42 100644
--- a/sound/pci/ice1712/wtm.h
+++ b/sound/pci/ice1712/wtm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SOUND_WTM_H
 #define __SOUND_WTM_H
 
diff --git a/sound/pci/nm256/nm256_coef.c b/sound/pci/nm256/nm256_coef.c
index 747d5d6ccfa0..c757252119b1 100644
--- a/sound/pci/nm256/nm256_coef.c
+++ b/sound/pci/nm256/nm256_coef.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define NM_TOTAL_COEFF_COUNT 0x3158
 
 static char coefficients[NM_TOTAL_COEFF_COUNT * 4] = { 
diff --git a/sound/pci/oxygen/Makefile b/sound/pci/oxygen/Makefile
index ab085d753661..0dfc4f840992 100644
--- a/sound/pci/oxygen/Makefile
+++ b/sound/pci/oxygen/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-oxygen-lib-objs := oxygen_io.o oxygen_lib.o oxygen_mixer.o oxygen_pcm.o
 snd-oxygen-objs := oxygen.o xonar_dg_mixer.o xonar_dg.o
 snd-se6x-objs := se6x.o
diff --git a/sound/pci/oxygen/ak4396.h b/sound/pci/oxygen/ak4396.h
index 551c1cf8e2e0..a51223461b11 100644
--- a/sound/pci/oxygen/ak4396.h
+++ b/sound/pci/oxygen/ak4396.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef AK4396_H_INCLUDED
 #define AK4396_H_INCLUDED
 
diff --git a/sound/pci/oxygen/cm9780.h b/sound/pci/oxygen/cm9780.h
index 144596799676..7efb119d1763 100644
--- a/sound/pci/oxygen/cm9780.h
+++ b/sound/pci/oxygen/cm9780.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CM9780_H_INCLUDED
 #define CM9780_H_INCLUDED
 
diff --git a/sound/pci/oxygen/cs2000.h b/sound/pci/oxygen/cs2000.h
index c3501bdb5edc..aca04794ce28 100644
--- a/sound/pci/oxygen/cs2000.h
+++ b/sound/pci/oxygen/cs2000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CS2000_H_INCLUDED
 #define CS2000_H_INCLUDED
 
diff --git a/sound/pci/oxygen/cs4245.h b/sound/pci/oxygen/cs4245.h
index 99098657695a..bb9f2c5b5819 100644
--- a/sound/pci/oxygen/cs4245.h
+++ b/sound/pci/oxygen/cs4245.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define CS4245_CHIP_ID		0x01
 #define CS4245_POWER_CTRL	0x02
 #define CS4245_DAC_CTRL_1	0x03
diff --git a/sound/pci/oxygen/cs4362a.h b/sound/pci/oxygen/cs4362a.h
index 6a4fedf5e1ec..1aef15e04dfb 100644
--- a/sound/pci/oxygen/cs4362a.h
+++ b/sound/pci/oxygen/cs4362a.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* register 01h */
 #define CS4362A_PDN		0x01
 #define CS4362A_DAC1_DIS	0x02
diff --git a/sound/pci/oxygen/cs4398.h b/sound/pci/oxygen/cs4398.h
index 5faf5efc8826..76cb9d7af0d7 100644
--- a/sound/pci/oxygen/cs4398.h
+++ b/sound/pci/oxygen/cs4398.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* register 1 */
 #define CS4398_REV_MASK		0x07
 #define CS4398_PART_MASK	0xf8
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index 293d0b9a50c3..06bf7e5744d0 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef OXYGEN_H_INCLUDED
 #define OXYGEN_H_INCLUDED
 
diff --git a/sound/pci/oxygen/oxygen_regs.h b/sound/pci/oxygen/oxygen_regs.h
index 8c191badaae8..eca9d943f5c7 100644
--- a/sound/pci/oxygen/oxygen_regs.h
+++ b/sound/pci/oxygen/oxygen_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef OXYGEN_REGS_H_INCLUDED
 #define OXYGEN_REGS_H_INCLUDED
 
diff --git a/sound/pci/oxygen/pcm1796.h b/sound/pci/oxygen/pcm1796.h
index 698bf46c710c..34d07dd2d22e 100644
--- a/sound/pci/oxygen/pcm1796.h
+++ b/sound/pci/oxygen/pcm1796.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PCM1796_H_INCLUDED
 #define PCM1796_H_INCLUDED
 
diff --git a/sound/pci/oxygen/wm8766.h b/sound/pci/oxygen/wm8766.h
index e0e849a7eaeb..be83ad49dbb1 100644
--- a/sound/pci/oxygen/wm8766.h
+++ b/sound/pci/oxygen/wm8766.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WM8766_H_INCLUDED
 #define WM8766_H_INCLUDED
 
diff --git a/sound/pci/oxygen/wm8785.h b/sound/pci/oxygen/wm8785.h
index 8c23e315ae66..21b932566598 100644
--- a/sound/pci/oxygen/wm8785.h
+++ b/sound/pci/oxygen/wm8785.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WM8785_H_INCLUDED
 #define WM8785_H_INCLUDED
 
diff --git a/sound/pci/oxygen/xonar.h b/sound/pci/oxygen/xonar.h
index 0434c207e811..3e373880c187 100644
--- a/sound/pci/oxygen/xonar.h
+++ b/sound/pci/oxygen/xonar.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef XONAR_H_INCLUDED
 #define XONAR_H_INCLUDED
 
diff --git a/sound/pci/oxygen/xonar_dg.h b/sound/pci/oxygen/xonar_dg.h
index d461df357aa1..7a1e8f9c48e7 100644
--- a/sound/pci/oxygen/xonar_dg.h
+++ b/sound/pci/oxygen/xonar_dg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef XONAR_DG_H_INCLUDED
 #define XONAR_DG_H_INCLUDED
 
diff --git a/sound/pci/rme9652/Makefile b/sound/pci/rme9652/Makefile
index dcba56040205..a3351447ddc0 100644
--- a/sound/pci/rme9652/Makefile
+++ b/sound/pci/rme9652/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/ppc/tumbler_volume.h b/sound/ppc/tumbler_volume.h
index ef8d85d58b02..549ec6a31a98 100644
--- a/sound/ppc/tumbler_volume.h
+++ b/sound/ppc/tumbler_volume.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* volume tables, taken from TAS3001c data manual */
 /* volume gain values */
 /* 0 = -70 dB, 175 = 18.0 dB in 0.5 dB step */
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 39c27a58158d..bf8c1e2ce0bf 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
 snd-soc-core-objs += soc-pcm.o soc-io.o soc-devres.o soc-ops.o
 snd-soc-core-$(CONFIG_SND_SOC_COMPRESS) += soc-compress.o
diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index 330832ef4e5e..9d338216c5ae 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ACP_HW_H
 #define __ACP_HW_H
 
diff --git a/sound/soc/atmel/Makefile b/sound/soc/atmel/Makefile
index 67e10cbd4ed7..4440646416e8 100644
--- a/sound/soc/atmel/Makefile
+++ b/sound/soc/atmel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # AT91 Platform Support
 snd-soc-atmel-pcm-pdc-objs := atmel-pcm-pdc.o
 snd-soc-atmel-pcm-dma-objs := atmel-pcm-dma.o
diff --git a/sound/soc/atmel/atmel-classd.h b/sound/soc/atmel/atmel-classd.h
index 73f8fdd1ca83..0f2e25aeb458 100644
--- a/sound/soc/atmel/atmel-classd.h
+++ b/sound/soc/atmel/atmel-classd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_CLASSD_H_
 #define __ATMEL_CLASSD_H_
 
diff --git a/sound/soc/atmel/atmel-pdmic.h b/sound/soc/atmel/atmel-pdmic.h
index 4527ac741919..1dd35187102c 100644
--- a/sound/soc/atmel/atmel-pdmic.h
+++ b/sound/soc/atmel/atmel-pdmic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATMEL_PDMIC_H_
 #define __ATMEL_PDMIC_H_
 
diff --git a/sound/soc/au1x/Makefile b/sound/soc/au1x/Makefile
index 920710514ea0..33183d7fe057 100644
--- a/sound/soc/au1x/Makefile
+++ b/sound/soc/au1x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Au1200/Au1550 PSC audio
 snd-soc-au1xpsc-dbdma-objs := dbdma2.o
 snd-soc-au1xpsc-i2s-objs := psc-i2s.o
diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile
index f21e948b2e9b..ebeb6a9cedd2 100644
--- a/sound/soc/blackfin/Makefile
+++ b/sound/soc/blackfin/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Blackfin Platform Support
 snd-bf5xx-ac97-objs := bf5xx-ac97-pcm.o
 snd-bf5xx-i2s-objs := bf5xx-i2s-pcm.o
diff --git a/sound/soc/cirrus/Makefile b/sound/soc/cirrus/Makefile
index 5514146cbdf0..bfb8dc409f53 100644
--- a/sound/soc/cirrus/Makefile
+++ b/sound/soc/cirrus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # EP93xx Platform Support
 snd-soc-ep93xx-objs				:= ep93xx-pcm.o
 snd-soc-ep93xx-i2s-objs	 			:= ep93xx-i2s.o
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 77c18189c9ad..05018b7ca72b 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-88pm860x-objs := 88pm860x-codec.o
 snd-soc-ab8500-codec-objs := ab8500-codec.o
 snd-soc-ac97-objs := ac97.o
diff --git a/sound/soc/codecs/adau-utils.h b/sound/soc/codecs/adau-utils.h
index 939b5f37762f..bf5947b35390 100644
--- a/sound/soc/codecs/adau-utils.h
+++ b/sound/soc/codecs/adau-utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SOUND_SOC_CODECS_ADAU_PLL_H
 #define SOUND_SOC_CODECS_ADAU_PLL_H
 
diff --git a/sound/soc/codecs/adau1373.h b/sound/soc/codecs/adau1373.h
index c6ab5530760c..56320d5e32d8 100644
--- a/sound/soc/codecs/adau1373.h
+++ b/sound/soc/codecs/adau1373.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ADAU1373_H__
 #define __ADAU1373_H__
 
diff --git a/sound/soc/codecs/adau17x1.h b/sound/soc/codecs/adau17x1.h
index bf04b7efee40..ebae545241a4 100644
--- a/sound/soc/codecs/adau17x1.h
+++ b/sound/soc/codecs/adau17x1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ADAU17X1_H__
 #define __ADAU17X1_H__
 
diff --git a/sound/soc/codecs/cs4271.h b/sound/soc/codecs/cs4271.h
index 9adad8eefdc9..290283a9149e 100644
--- a/sound/soc/codecs/cs4271.h
+++ b/sound/soc/codecs/cs4271.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _CS4271_PRIV_H
 #define _CS4271_PRIV_H
 
diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h
index 8930322d712b..9109f6b5b045 100644
--- a/sound/soc/codecs/es8328.h
+++ b/sound/soc/codecs/es8328.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * es8328.h  --  ES8328 ALSA SoC Audio driver
  */
diff --git a/sound/soc/codecs/hdac_hdmi.h b/sound/soc/codecs/hdac_hdmi.h
index dfc3a9cf7199..b5b57a5cbbfd 100644
--- a/sound/soc/codecs/hdac_hdmi.h
+++ b/sound/soc/codecs/hdac_hdmi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __HDAC_HDMI_H__
 #define __HDAC_HDMI_H__
 
diff --git a/sound/soc/codecs/inno_rk3036.h b/sound/soc/codecs/inno_rk3036.h
index da759c6c7501..44bb2404198d 100644
--- a/sound/soc/codecs/inno_rk3036.h
+++ b/sound/soc/codecs/inno_rk3036.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver of Inno Codec for rk3036 by Rockchip Inc.
  *
diff --git a/sound/soc/codecs/rt5631.h b/sound/soc/codecs/rt5631.h
index 13401581b0df..8a6b99a48c7c 100644
--- a/sound/soc/codecs/rt5631.h
+++ b/sound/soc/codecs/rt5631.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __RTCODEC5631_H__
 #define __RTCODEC5631_H__
 
diff --git a/sound/soc/codecs/tlv320aic26.h b/sound/soc/codecs/tlv320aic26.h
index 629b85e75409..1f2879b7a080 100644
--- a/sound/soc/codecs/tlv320aic26.h
+++ b/sound/soc/codecs/tlv320aic26.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Texas Instruments TLV320AIC26 low power audio CODEC
  * register definitions
diff --git a/sound/soc/codecs/uda134x.h b/sound/soc/codecs/uda134x.h
index e41ab38c6f69..664618c2571c 100644
--- a/sound/soc/codecs/uda134x.h
+++ b/sound/soc/codecs/uda134x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UDA134X_CODEC_H
 #define _UDA134X_CODEC_H
 
diff --git a/sound/soc/codecs/wm8993.h b/sound/soc/codecs/wm8993.h
index 4478b40c86e3..91811aa158d8 100644
--- a/sound/soc/codecs/wm8993.h
+++ b/sound/soc/codecs/wm8993.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WM8993_H
 #define WM8993_H
 
diff --git a/sound/soc/codecs/wm9713.h b/sound/soc/codecs/wm9713.h
index 7ecffc563016..f0800dcca9b8 100644
--- a/sound/soc/codecs/wm9713.h
+++ b/sound/soc/codecs/wm9713.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * wm9713.h  --  WM9713 Soc Audio driver
  */
diff --git a/sound/soc/davinci/Makefile b/sound/soc/davinci/Makefile
index f883933c1a19..23c6592eb31a 100644
--- a/sound/soc/davinci/Makefile
+++ b/sound/soc/davinci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # DAVINCI Platform Support
 snd-soc-edma-objs := edma-pcm.o
 snd-soc-davinci-i2s-objs := davinci-i2s.o
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index d28dc25c9375..c67bf1139e1e 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # MPC8610 HPCD Machine Support
 snd-soc-mpc8610-hpcd-objs := mpc8610_hpcd.o
 obj-$(CONFIG_SND_SOC_MPC8610_HPCD) += snd-soc-mpc8610-hpcd.o
diff --git a/sound/soc/fsl/imx-audmux.h b/sound/soc/fsl/imx-audmux.h
index 38a4209af7c6..f75b4d3aeacc 100644
--- a/sound/soc/fsl/imx-audmux.h
+++ b/sound/soc/fsl/imx-audmux.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IMX_AUDMUX_H
 #define __IMX_AUDMUX_H
 
diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h
index dff253fde29a..d7ee33b5b9a8 100644
--- a/sound/soc/fsl/mpc5200_dma.h
+++ b/sound/soc/fsl/mpc5200_dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Freescale MPC5200 Audio DMA driver
  */
diff --git a/sound/soc/generic/Makefile b/sound/soc/generic/Makefile
index 9e000523a3b4..9dec293a4c4d 100644
--- a/sound/soc/generic/Makefile
+++ b/sound/soc/generic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-simple-card-utils-objs	:= simple-card-utils.o
 snd-soc-simple-card-objs	:= simple-card.o
 snd-soc-simple-scu-card-objs	:= simple-scu-card.o
diff --git a/sound/soc/img/Makefile b/sound/soc/img/Makefile
index 0508c1ced636..3e7b0fd4fcbf 100644
--- a/sound/soc/img/Makefile
+++ b/sound/soc/img/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SND_SOC_IMG_I2S_IN) += img-i2s-in.o
 obj-$(CONFIG_SND_SOC_IMG_I2S_OUT) += img-i2s-out.o
 obj-$(CONFIG_SND_SOC_IMG_PARALLEL_OUT) += img-parallel-out.o
diff --git a/sound/soc/intel/Makefile b/sound/soc/intel/Makefile
index cdd495f7ee2c..62f37ffffdf0 100644
--- a/sound/soc/intel/Makefile
+++ b/sound/soc/intel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Core support
 obj-$(CONFIG_SND_SOC_INTEL_SST) += common/
 
diff --git a/sound/soc/intel/atom/Makefile b/sound/soc/intel/atom/Makefile
index aa6548c6feab..1dc60471b399 100644
--- a/sound/soc/intel/atom/Makefile
+++ b/sound/soc/intel/atom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-sst-atom-hifi2-platform-objs :=	sst-mfld-platform-pcm.o \
 					sst-mfld-platform-compress.o \
 					sst-atom-controls.o
diff --git a/sound/soc/intel/atom/sst/Makefile b/sound/soc/intel/atom/sst/Makefile
index fd21726361b5..795d1cf8f386 100644
--- a/sound/soc/intel/atom/sst/Makefile
+++ b/sound/soc/intel/atom/sst/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-intel-sst-core-objs := sst.o sst_ipc.o sst_stream.o sst_drv_interface.o sst_loader.o sst_pvt.o
 snd-intel-sst-pci-objs += sst_pci.o
 snd-intel-sst-acpi-objs += sst_acpi.o
diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
index a5c5bc5732a2..69d2dfaeb00c 100644
--- a/sound/soc/intel/boards/Makefile
+++ b/sound/soc/intel/boards/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-sst-haswell-objs := haswell.o
 snd-soc-sst-byt-rt5640-mach-objs := byt-rt5640.o
 snd-soc-sst-byt-max98090-mach-objs := byt-max98090.o
diff --git a/sound/soc/intel/common/Makefile b/sound/soc/intel/common/Makefile
index 1a35149bcad7..0e029f354f6b 100644
--- a/sound/soc/intel/common/Makefile
+++ b/sound/soc/intel/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-sst-dsp-objs := sst-dsp.o
 snd-soc-sst-acpi-objs := sst-acpi.o
 snd-soc-sst-match-objs := sst-match-acpi.o
diff --git a/sound/soc/intel/skylake/Makefile b/sound/soc/intel/skylake/Makefile
index 3380deb81015..d1ccbecd141f 100644
--- a/sound/soc/intel/skylake/Makefile
+++ b/sound/soc/intel/skylake/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-skl-objs := skl.o skl-pcm.o skl-nhlt.o skl-messages.o \
 skl-topology.o
 
diff --git a/sound/soc/mediatek/mt8173/Makefile b/sound/soc/mediatek/mt8173/Makefile
index 0357b27d29f2..c1eed0d2653b 100644
--- a/sound/soc/mediatek/mt8173/Makefile
+++ b/sound/soc/mediatek/mt8173/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # MTK Platform Support
 obj-$(CONFIG_SND_SOC_MT8173) += mt8173-afe-pcm.o
 # Machine support
diff --git a/sound/soc/mxs/Makefile b/sound/soc/mxs/Makefile
index 565b5b51e8b7..ab0a9a553702 100644
--- a/sound/soc/mxs/Makefile
+++ b/sound/soc/mxs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # MXS Platform Support
 snd-soc-mxs-objs := mxs-saif.o
 snd-soc-mxs-pcm-objs := mxs-pcm.o
diff --git a/sound/soc/nuc900/Makefile b/sound/soc/nuc900/Makefile
index 7e46c7150316..c7ba2b9549d2 100644
--- a/sound/soc/nuc900/Makefile
+++ b/sound/soc/nuc900/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # NUC900 series audio
 snd-soc-nuc900-pcm-objs := nuc900-pcm.o
 snd-soc-nuc900-ac97-objs := nuc900-ac97.o
diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile
index db36fbd5d1a0..a6785dc4fc90 100644
--- a/sound/soc/omap/Makefile
+++ b/sound/soc/omap/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # OMAP Platform Support
 snd-soc-omap-objs := omap-pcm.o
 snd-soc-omap-dmic-objs := omap-dmic.o
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index 2cff67b61dc3..5b265662f04f 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # PXA Platform Support
 snd-soc-pxa2xx-objs := pxa2xx-pcm.o
 snd-soc-pxa2xx-ac97-objs := pxa2xx-ac97.o
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index 79e5c50a8f71..d5280355c24f 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Platform
 snd-soc-lpass-cpu-objs := lpass-cpu.o
 snd-soc-lpass-platform-objs := lpass-platform.o
diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile
index 105f0e14a4ab..05b078e7b87f 100644
--- a/sound/soc/rockchip/Makefile
+++ b/sound/soc/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ROCKCHIP Platform Support
 snd-soc-rockchip-i2s-objs := rockchip_i2s.o
 snd-soc-rockchip-pdm-objs := rockchip_pdm.o
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
index b6c2ee358333..030949e1e434 100644
--- a/sound/soc/samsung/Makefile
+++ b/sound/soc/samsung/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # S3c24XX Platform Support
 snd-soc-s3c-dma-objs := dmaengine.o
 snd-soc-idma-objs := idma.o
diff --git a/sound/soc/sh/Makefile b/sound/soc/sh/Makefile
index aaf3dcd1ee2a..51bd7c81671c 100644
--- a/sound/soc/sh/Makefile
+++ b/sound/soc/sh/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ## DMA engines
 snd-soc-dma-sh7760-objs	:= dma-sh7760.o
 obj-$(CONFIG_SND_SOC_PCM_SH7760)	+= snd-soc-dma-sh7760.o
diff --git a/sound/soc/sirf/Makefile b/sound/soc/sirf/Makefile
index dd917f20f12f..16ed11965ff9 100644
--- a/sound/soc/sirf/Makefile
+++ b/sound/soc/sirf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-soc-sirf-audio-objs := sirf-audio.o
 snd-soc-sirf-audio-port-objs := sirf-audio-port.o
 snd-soc-sirf-usp-objs := sirf-usp.o
diff --git a/sound/soc/spear/Makefile b/sound/soc/spear/Makefile
index c4ea7161056c..31d9dae280e7 100644
--- a/sound/soc/spear/Makefile
+++ b/sound/soc/spear/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # SPEAR Platform Support
 snd-soc-spear-pcm-objs := spear_pcm.o
 snd-soc-spear-spdif-in-objs := spdif_in.o
diff --git a/sound/soc/stm/Makefile b/sound/soc/stm/Makefile
index 4ed22e648a9a..5b7f0fab0bd6 100644
--- a/sound/soc/stm/Makefile
+++ b/sound/soc/stm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # SAI
 snd-soc-stm32-sai-sub-objs := stm32_sai_sub.o
 obj-$(CONFIG_SND_SOC_STM32_SAI) += snd-soc-stm32-sai-sub.o
diff --git a/sound/soc/sunxi/Makefile b/sound/soc/sunxi/Makefile
index 1f1af6271731..4a9ef67386ca 100644
--- a/sound/soc/sunxi/Makefile
+++ b/sound/soc/sunxi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SND_SUN4I_CODEC) += sun4i-codec.o
 obj-$(CONFIG_SND_SUN4I_I2S) += sun4i-i2s.o
 obj-$(CONFIG_SND_SUN4I_SPDIF) += sun4i-spdif.o
diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile
index f214a3fd0024..2329b72c93e3 100644
--- a/sound/soc/tegra/Makefile
+++ b/sound/soc/tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Tegra platform Support
 snd-soc-tegra-pcm-objs := tegra_pcm.o
 snd-soc-tegra-utils-objs += tegra_asoc_utils.o
diff --git a/sound/soc/txx9/Makefile b/sound/soc/txx9/Makefile
index 551f16c0c4f9..37ad833eb329 100644
--- a/sound/soc/txx9/Makefile
+++ b/sound/soc/txx9/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Platform
 snd-soc-txx9aclc-objs := txx9aclc.o
 snd-soc-txx9aclc-ac97-objs := txx9aclc-ac97.o
diff --git a/sound/soc/ux500/Makefile b/sound/soc/ux500/Makefile
index cce0c11a4d86..e7d6de51b32b 100644
--- a/sound/soc/ux500/Makefile
+++ b/sound/soc/ux500/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Ux500 Platform Support
 
 snd-soc-ux500-plat-msp-i2s-objs := ux500_msp_dai.o ux500_msp_i2s.o
diff --git a/sound/sparc/Makefile b/sound/sparc/Makefile
index 3cd89c67c2f2..e1f596571d7f 100644
--- a/sound/sparc/Makefile
+++ b/sound/sparc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2002 by David S. Miller <davem@redhat.com>
diff --git a/sound/spi/Makefile b/sound/spi/Makefile
index 026fb73f887f..a3834919b0f6 100644
--- a/sound/spi/Makefile
+++ b/sound/spi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for SPI drivers
 
 snd-at73c213-objs		:= at73c213.o
diff --git a/sound/synth/Makefile b/sound/synth/Makefile
index 11eb06ac2eca..b9f71d5dbc8c 100644
--- a/sound/synth/Makefile
+++ b/sound/synth/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/synth/emux/Makefile b/sound/synth/emux/Makefile
index d1bac923eb1b..ed28c81ac12e 100644
--- a/sound/synth/emux/Makefile
+++ b/sound/synth/emux/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/usb/Makefile b/sound/usb/Makefile
index 42cb33b94f6a..05440e2df8d9 100644
--- a/sound/usb/Makefile
+++ b/sound/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 #
diff --git a/sound/usb/caiaq/audio.h b/sound/usb/caiaq/audio.h
index bdf155300a8a..869bf6264d6a 100644
--- a/sound/usb/caiaq/audio.h
+++ b/sound/usb/caiaq/audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CAIAQ_AUDIO_H
 #define CAIAQ_AUDIO_H
 
diff --git a/sound/usb/caiaq/control.h b/sound/usb/caiaq/control.h
index 501c4883aef6..cb204fd45858 100644
--- a/sound/usb/caiaq/control.h
+++ b/sound/usb/caiaq/control.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CAIAQ_CONTROL_H
 #define CAIAQ_CONTROL_H
 
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
index ab0f7520a99b..50fea085765b 100644
--- a/sound/usb/caiaq/device.h
+++ b/sound/usb/caiaq/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CAIAQ_DEVICE_H
 #define CAIAQ_DEVICE_H
 
diff --git a/sound/usb/caiaq/input.h b/sound/usb/caiaq/input.h
index 6014e2713a60..c42891e7be88 100644
--- a/sound/usb/caiaq/input.h
+++ b/sound/usb/caiaq/input.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CAIAQ_INPUT_H
 #define CAIAQ_INPUT_H
 
diff --git a/sound/usb/caiaq/midi.h b/sound/usb/caiaq/midi.h
index 60bf3442b283..a6ae0c22484d 100644
--- a/sound/usb/caiaq/midi.h
+++ b/sound/usb/caiaq/midi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef CAIAQ_MIDI_H
 #define CAIAQ_MIDI_H
 
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 111b0f009afa..ed87cc83eb47 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_CARD_H
 #define __USBAUDIO_CARD_H
 
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index d592e4a29856..87557cae1a0b 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_CLOCK_H
 #define __USBAUDIO_CLOCK_H
 
diff --git a/sound/usb/debug.h b/sound/usb/debug.h
index 58030176f008..7dd983c35001 100644
--- a/sound/usb/debug.h
+++ b/sound/usb/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_DEBUG_H
 #define __USBAUDIO_DEBUG_H
 
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 584f295d7c77..63a39d4fa8d8 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_ENDPOINT_H
 #define __USBAUDIO_ENDPOINT_H
 
diff --git a/sound/usb/format.h b/sound/usb/format.h
index 4b8a01129f24..8c3ff9ce0824 100644
--- a/sound/usb/format.h
+++ b/sound/usb/format.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_FORMAT_H
 #define __USBAUDIO_FORMAT_H
 
diff --git a/sound/usb/helper.h b/sound/usb/helper.h
index 805c300dd004..4463e6d6dcb3 100644
--- a/sound/usb/helper.h
+++ b/sound/usb/helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_HELPER_H
 #define __USBAUDIO_HELPER_H
 
diff --git a/sound/usb/line6/Makefile b/sound/usb/line6/Makefile
index b8b3b2a543d8..4ba98eb32119 100644
--- a/sound/usb/line6/Makefile
+++ b/sound/usb/line6/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-usb-line6-y := 		\
 		capture.o	\
 		driver.o	\
diff --git a/sound/usb/midi.h b/sound/usb/midi.h
index 5e25a3fd6c1d..8c38aec22999 100644
--- a/sound/usb/midi.h
+++ b/sound/usb/midi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBMIDI_H
 #define __USBMIDI_H
 
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 545d99b09706..ba27f7ade670 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBMIXER_H
 #define __USBMIXER_H
 
diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h
index 177c329cd4dd..b5abd328a361 100644
--- a/sound/usb/mixer_quirks.h
+++ b/sound/usb/mixer_quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SND_USB_MIXER_QUIRKS_H
 #define SND_USB_MIXER_QUIRKS_H
 
diff --git a/sound/usb/mixer_scarlett.h b/sound/usb/mixer_scarlett.h
index 19c592ab0332..bbf063b79370 100644
--- a/sound/usb/mixer_scarlett.h
+++ b/sound/usb/mixer_scarlett.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USB_MIXER_SCARLETT_H
 #define __USB_MIXER_SCARLETT_H
 
diff --git a/sound/usb/mixer_us16x08.h b/sound/usb/mixer_us16x08.h
index a6312fb0f962..56ff16c0698f 100644
--- a/sound/usb/mixer_us16x08.h
+++ b/sound/usb/mixer_us16x08.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USB_MIXER_US16X08_H
 #define __USB_MIXER_US16X08_H
 
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index df7a003682ad..35740d5ef268 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_PCM_H
 #define __USBAUDIO_PCM_H
 
diff --git a/sound/usb/power.h b/sound/usb/power.h
index 48ee51dcb71e..b2e25f60c5a2 100644
--- a/sound/usb/power.h
+++ b/sound/usb/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_POWER_H
 #define __USBAUDIO_POWER_H
 
diff --git a/sound/usb/proc.h b/sound/usb/proc.h
index a45b765e4cf1..72b1b2d28b44 100644
--- a/sound/usb/proc.h
+++ b/sound/usb/proc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_PROC_H
 #define __USBAUDIO_PROC_H
 
diff --git a/sound/usb/quirks.h b/sound/usb/quirks.h
index 192ff5ce9452..b90c8b7caab5 100644
--- a/sound/usb/quirks.h
+++ b/sound/usb/quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_QUIRKS_H
 #define __USBAUDIO_QUIRKS_H
 
diff --git a/sound/usb/stream.h b/sound/usb/stream.h
index c97f679fc84f..d92e18d5818f 100644
--- a/sound/usb/stream.h
+++ b/sound/usb/stream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USBAUDIO_STREAM_H
 #define __USBAUDIO_STREAM_H
 
diff --git a/sound/usb/usx2y/Makefile b/sound/usb/usx2y/Makefile
index 748933054b6c..cc4c2f1efab2 100644
--- a/sound/usb/usx2y/Makefile
+++ b/sound/usb/usx2y/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-usb-usx2y-objs := usbusx2y.o usX2Yhwdep.o usx2yhwdeppcm.o
 snd-usb-us122l-objs := us122l.o
 
diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h
index 3e2a2d0041ee..34bea99d343c 100644
--- a/sound/usb/usx2y/us122l.h
+++ b/sound/usb/usx2y/us122l.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef US122L_H
 #define US122L_H
 
diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h
index c095d5bf1220..457199b5ed03 100644
--- a/sound/usb/usx2y/usX2Yhwdep.h
+++ b/sound/usb/usx2y/usX2Yhwdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef USX2YHWDEP_H
 #define USX2YHWDEP_H
 
diff --git a/sound/usb/usx2y/usb_stream.h b/sound/usb/usx2y/usb_stream.h
index 90369001eab6..851358a8d709 100644
--- a/sound/usb/usx2y/usb_stream.h
+++ b/sound/usb/usx2y/usb_stream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __USB_STREAM_H
 #define __USB_STREAM_H
 
diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h
index 6ae6b0806938..e0f77172ce8f 100644
--- a/sound/usb/usx2y/usbusx2y.h
+++ b/sound/usb/usx2y/usbusx2y.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef USBUSX2Y_H
 #define USBUSX2Y_H
 #include "../usbaudio.h"
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h
index 9c4fb84b2aa0..eb5a46466f0e 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.h
+++ b/sound/usb/usx2y/usx2yhwdeppcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define MAXPACK 50
 #define MAXBUFFERMS 100
 #define MAXSTRIDE 3
diff --git a/tools/Makefile b/tools/Makefile
index 9dfede37c8ff..c4f41ef9a7a7 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Some of the tools (perf) use same make variables
 # as in kernel build.
 export srctree=
diff --git a/tools/accounting/Makefile b/tools/accounting/Makefile
index 647c94a219bf..03687f19cbb1 100644
--- a/tools/accounting/Makefile
+++ b/tools/accounting/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 CFLAGS := -I../../usr/include
 
diff --git a/tools/accounting/getdelays.c b/tools/accounting/getdelays.c
index b5ca536e56a8..9f420d98b5fb 100644
--- a/tools/accounting/getdelays.c
+++ b/tools/accounting/getdelays.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* getdelays.c
  *
  * Utility to get per-pid and per-tgid delay accounting statistics
diff --git a/tools/arch/alpha/include/asm/barrier.h b/tools/arch/alpha/include/asm/barrier.h
index 95df19c95482..da8d6457ed4f 100644
--- a/tools/arch/alpha/include/asm/barrier.h
+++ b/tools/arch/alpha/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_ASM_ALPHA_BARRIER_H
 #define __TOOLS_LINUX_ASM_ALPHA_BARRIER_H
 
diff --git a/tools/arch/arm64/include/asm/barrier.h b/tools/arch/arm64/include/asm/barrier.h
index a0483c8e0142..40bde6b23501 100644
--- a/tools/arch/arm64/include/asm/barrier.h
+++ b/tools/arch/arm64/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_AARCH64_BARRIER_H
 #define _TOOLS_LINUX_ASM_AARCH64_BARRIER_H
 
diff --git a/tools/arch/h8300/include/asm/bitsperlong.h b/tools/arch/h8300/include/asm/bitsperlong.h
index e140e46729ac..fa1508337ffc 100644
--- a/tools/arch/h8300/include/asm/bitsperlong.h
+++ b/tools/arch/h8300/include/asm/bitsperlong.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_H8300_BITS_PER_LONG
 #define __ASM_H8300_BITS_PER_LONG
 
diff --git a/tools/arch/ia64/include/asm/barrier.h b/tools/arch/ia64/include/asm/barrier.h
index e4422b4b634e..d808ee0e77b5 100644
--- a/tools/arch/ia64/include/asm/barrier.h
+++ b/tools/arch/ia64/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copied from the kernel sources to tools/:
  *
diff --git a/tools/arch/mips/include/asm/barrier.h b/tools/arch/mips/include/asm/barrier.h
index 80f96f7556e3..0d1191523cd0 100644
--- a/tools/arch/mips/include/asm/barrier.h
+++ b/tools/arch/mips/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H
 #define _TOOLS_LINUX_ASM_MIPS_BARRIER_H
 /*
diff --git a/tools/arch/powerpc/include/asm/barrier.h b/tools/arch/powerpc/include/asm/barrier.h
index b23aee8e6d90..a634da05bc97 100644
--- a/tools/arch/powerpc/include/asm/barrier.h
+++ b/tools/arch/powerpc/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copied from the kernel sources:
  *
diff --git a/tools/arch/s390/include/asm/barrier.h b/tools/arch/s390/include/asm/barrier.h
index f85141266b92..5030c99f47d2 100644
--- a/tools/arch/s390/include/asm/barrier.h
+++ b/tools/arch/s390/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copied from the kernel sources:
  *
diff --git a/tools/arch/sh/include/asm/barrier.h b/tools/arch/sh/include/asm/barrier.h
index c18fd7599b97..bde5221af282 100644
--- a/tools/arch/sh/include/asm/barrier.h
+++ b/tools/arch/sh/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copied from the kernel sources:
  *
diff --git a/tools/arch/sparc/include/asm/barrier.h b/tools/arch/sparc/include/asm/barrier.h
index 8c017b3b1391..95d1618465a6 100644
--- a/tools/arch/sparc/include/asm/barrier.h
+++ b/tools/arch/sparc/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ___TOOLS_LINUX_ASM_SPARC_BARRIER_H
 #define ___TOOLS_LINUX_ASM_SPARC_BARRIER_H
 #if defined(__sparc__) && defined(__arch64__)
diff --git a/tools/arch/sparc/include/asm/barrier_32.h b/tools/arch/sparc/include/asm/barrier_32.h
index c5eadd0a7233..cc19ed1dde0b 100644
--- a/tools/arch/sparc/include/asm/barrier_32.h
+++ b/tools/arch/sparc/include/asm/barrier_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_PERF_SPARC_BARRIER_H
 #define __TOOLS_PERF_SPARC_BARRIER_H
 
diff --git a/tools/arch/sparc/include/asm/barrier_64.h b/tools/arch/sparc/include/asm/barrier_64.h
index 9a7d7322c3f7..ba61344287d5 100644
--- a/tools/arch/sparc/include/asm/barrier_64.h
+++ b/tools/arch/sparc/include/asm/barrier_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_SPARC64_BARRIER_H
 #define __TOOLS_LINUX_SPARC64_BARRIER_H
 
diff --git a/tools/arch/tile/include/asm/barrier.h b/tools/arch/tile/include/asm/barrier.h
index 7d3692c3d4ac..7ad02a591b43 100644
--- a/tools/arch/tile/include/asm/barrier.h
+++ b/tools/arch/tile/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_TILE_BARRIER_H
 #define _TOOLS_LINUX_ASM_TILE_BARRIER_H
 /*
diff --git a/tools/arch/x86/include/asm/atomic.h b/tools/arch/x86/include/asm/atomic.h
index 328eeceec709..7d8c3261a50d 100644
--- a/tools/arch/x86/include/asm/atomic.h
+++ b/tools/arch/x86/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_X86_ATOMIC_H
 #define _TOOLS_LINUX_ASM_X86_ATOMIC_H
 
diff --git a/tools/arch/x86/include/asm/barrier.h b/tools/arch/x86/include/asm/barrier.h
index f366d8e550e4..8774dee27471 100644
--- a/tools/arch/x86/include/asm/barrier.h
+++ b/tools/arch/x86/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_X86_BARRIER_H
 #define _TOOLS_LINUX_ASM_X86_BARRIER_H
 
diff --git a/tools/arch/x86/include/asm/cmpxchg.h b/tools/arch/x86/include/asm/cmpxchg.h
index f5253260f3cc..0ed9ca2766ad 100644
--- a/tools/arch/x86/include/asm/cmpxchg.h
+++ b/tools/arch/x86/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TOOLS_ASM_X86_CMPXCHG_H
 #define TOOLS_ASM_X86_CMPXCHG_H
 
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 2519c6c801c9..793690fbda36 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_CPUFEATURES_H
 #define _ASM_X86_CPUFEATURES_H
 
diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h
index c10c9128f54e..c1a6d5d0da0d 100644
--- a/tools/arch/x86/include/asm/disabled-features.h
+++ b/tools/arch/x86/include/asm/disabled-features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_DISABLED_FEATURES_H
 #define _ASM_X86_DISABLED_FEATURES_H
 
diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h
index d91ba04dd007..59ac6baafb6a 100644
--- a/tools/arch/x86/include/asm/required-features.h
+++ b/tools/arch/x86/include/asm/required-features.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_X86_REQUIRED_FEATURES_H
 #define _ASM_X86_REQUIRED_FEATURES_H
 
diff --git a/tools/arch/x86/include/asm/rmwcc.h b/tools/arch/x86/include/asm/rmwcc.h
index a6669bc06939..dc90c0c2fae3 100644
--- a/tools/arch/x86/include/asm/rmwcc.h
+++ b/tools/arch/x86/include/asm/rmwcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_X86_RMWcc
 #define _TOOLS_LINUX_ASM_X86_RMWcc
 
diff --git a/tools/arch/x86/include/asm/unistd_32.h b/tools/arch/x86/include/asm/unistd_32.h
index 0e4312ffc945..60a89dba01b6 100644
--- a/tools/arch/x86/include/asm/unistd_32.h
+++ b/tools/arch/x86/include/asm/unistd_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NR_perf_event_open
 # define __NR_perf_event_open 336
 #endif
diff --git a/tools/arch/x86/include/asm/unistd_64.h b/tools/arch/x86/include/asm/unistd_64.h
index dd56bb36132a..cb52a3a8b8fc 100644
--- a/tools/arch/x86/include/asm/unistd_64.h
+++ b/tools/arch/x86/include/asm/unistd_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __NR_perf_event_open
 # define __NR_perf_event_open 298
 #endif
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index 98dcc112b363..ecf2c2067281 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright 2002 Andi Kleen */
 
 #include <linux/linkage.h>
diff --git a/tools/arch/x86/lib/memset_64.S b/tools/arch/x86/lib/memset_64.S
index e1229ecd2a82..f8f3dc0a6690 100644
--- a/tools/arch/x86/lib/memset_64.S
+++ b/tools/arch/x86/lib/memset_64.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright 2002 Andi Kleen, SuSE Labs */
 
 #include <linux/linkage.h>
diff --git a/tools/build/Makefile b/tools/build/Makefile
index 477f00eda591..5eb4b5ad79cb 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifeq ($(srctree),)
 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
 srctree := $(patsubst %/,%,$(dir $(srctree)))
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index c46b20e4ad87..cd72016c3cfa 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ###
 # Main build makefile.
 #
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index ee2546ddf028..96982640fbf8 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 FILES=                                          \
          test-all.bin                           \
          test-backtrace.bin                     \
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index b5cfc6445771..4112702e4aed 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * test-all.c: Try to build all the main testcases at once.
  *
diff --git a/tools/build/feature/test-backtrace.c b/tools/build/feature/test-backtrace.c
index 7124aa1dc8fb..e9ddd27c69c3 100644
--- a/tools/build/feature/test-backtrace.c
+++ b/tools/build/feature/test-backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <execinfo.h>
 #include <stdio.h>
 
diff --git a/tools/build/feature/test-bionic.c b/tools/build/feature/test-bionic.c
index eac24e9513eb..4bcc9776504c 100644
--- a/tools/build/feature/test-bionic.c
+++ b/tools/build/feature/test-bionic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <android/api-level.h>
 
 int main(void)
diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index da2172ff9662..82070eadfc07 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/unistd.h>
 #include <linux/bpf.h>
 #include <unistd.h>
diff --git a/tools/build/feature/test-clang.cpp b/tools/build/feature/test-clang.cpp
index e23c1b1f1b91..a2b3f092d2f0 100644
--- a/tools/build/feature/test-clang.cpp
+++ b/tools/build/feature/test-clang.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "clang/Basic/VirtualFileSystem.h"
 #include "clang/Driver/Driver.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
diff --git a/tools/build/feature/test-compile.c b/tools/build/feature/test-compile.c
index c54e6551ae4c..9821b8271dee 100644
--- a/tools/build/feature/test-compile.c
+++ b/tools/build/feature/test-compile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 int main(void)
 {
diff --git a/tools/build/feature/test-cplus-demangle.c b/tools/build/feature/test-cplus-demangle.c
index 610c686e0009..2ba56474ab71 100644
--- a/tools/build/feature/test-cplus-demangle.c
+++ b/tools/build/feature/test-cplus-demangle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 extern int printf(const char *format, ...);
 extern char *cplus_demangle(const char *, int);
 
diff --git a/tools/build/feature/test-cxx.cpp b/tools/build/feature/test-cxx.cpp
index b1dee9a31d6c..396aaedd2418 100644
--- a/tools/build/feature/test-cxx.cpp
+++ b/tools/build/feature/test-cxx.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <iostream>
 #include <memory>
 
diff --git a/tools/build/feature/test-dwarf.c b/tools/build/feature/test-dwarf.c
index 3fc1801ce4a9..8d474bd7371b 100644
--- a/tools/build/feature/test-dwarf.c
+++ b/tools/build/feature/test-dwarf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dwarf.h>
 #include <elfutils/libdw.h>
 #include <elfutils/version.h>
diff --git a/tools/build/feature/test-dwarf_getlocations.c b/tools/build/feature/test-dwarf_getlocations.c
index 70162699dd43..78fb4a1fa68c 100644
--- a/tools/build/feature/test-dwarf_getlocations.c
+++ b/tools/build/feature/test-dwarf_getlocations.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <elfutils/libdw.h>
 
diff --git a/tools/build/feature/test-get_cpuid.c b/tools/build/feature/test-get_cpuid.c
index d7a2c407130d..bb4f065f28a6 100644
--- a/tools/build/feature/test-get_cpuid.c
+++ b/tools/build/feature/test-get_cpuid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <cpuid.h>
 
 int main(void)
diff --git a/tools/build/feature/test-glibc.c b/tools/build/feature/test-glibc.c
index 9367f7586676..9ab8e90e7b88 100644
--- a/tools/build/feature/test-glibc.c
+++ b/tools/build/feature/test-glibc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 
 #if !defined(__UCLIBC__)
diff --git a/tools/build/feature/test-gtk2-infobar.c b/tools/build/feature/test-gtk2-infobar.c
index 397b4646d066..b1b716dd5733 100644
--- a/tools/build/feature/test-gtk2-infobar.c
+++ b/tools/build/feature/test-gtk2-infobar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
 #include <gtk/gtk.h>
 #pragma GCC diagnostic error "-Wstrict-prototypes"
diff --git a/tools/build/feature/test-gtk2.c b/tools/build/feature/test-gtk2.c
index 6bd80e509439..2aaf4bfc2055 100644
--- a/tools/build/feature/test-gtk2.c
+++ b/tools/build/feature/test-gtk2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
 #include <gtk/gtk.h>
 #pragma GCC diagnostic error "-Wstrict-prototypes"
diff --git a/tools/build/feature/test-jvmti.c b/tools/build/feature/test-jvmti.c
index 1c665f09b9d6..5cf31192f204 100644
--- a/tools/build/feature/test-jvmti.c
+++ b/tools/build/feature/test-jvmti.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <jvmti.h>
 #include <jvmticmlr.h>
 
diff --git a/tools/build/feature/test-libaudit.c b/tools/build/feature/test-libaudit.c
index afc019f08641..f5b0863fa1ec 100644
--- a/tools/build/feature/test-libaudit.c
+++ b/tools/build/feature/test-libaudit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libaudit.h>
 
 extern int printf(const char *format, ...);
diff --git a/tools/build/feature/test-libbabeltrace.c b/tools/build/feature/test-libbabeltrace.c
index 9cf802a04885..10bb69d55694 100644
--- a/tools/build/feature/test-libbabeltrace.c
+++ b/tools/build/feature/test-libbabeltrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <babeltrace/ctf-writer/writer.h>
 #include <babeltrace/ctf-ir/stream-class.h>
diff --git a/tools/build/feature/test-libbfd.c b/tools/build/feature/test-libbfd.c
index 24059907e990..afa46b0465cd 100644
--- a/tools/build/feature/test-libbfd.c
+++ b/tools/build/feature/test-libbfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <bfd.h>
 
 extern int printf(const char *format, ...);
diff --git a/tools/build/feature/test-libcrypto.c b/tools/build/feature/test-libcrypto.c
index bd79dc7f28d3..a98174e0569c 100644
--- a/tools/build/feature/test-libcrypto.c
+++ b/tools/build/feature/test-libcrypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <openssl/sha.h>
 #include <openssl/md5.h>
 
diff --git a/tools/build/feature/test-libdw-dwarf-unwind.c b/tools/build/feature/test-libdw-dwarf-unwind.c
index f676a3ff442a..ed03d9505609 100644
--- a/tools/build/feature/test-libdw-dwarf-unwind.c
+++ b/tools/build/feature/test-libdw-dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <elfutils/libdwfl.h>
 
diff --git a/tools/build/feature/test-libelf-gelf_getnote.c b/tools/build/feature/test-libelf-gelf_getnote.c
index d78cf4d5271f..075d062fe841 100644
--- a/tools/build/feature/test-libelf-gelf_getnote.c
+++ b/tools/build/feature/test-libelf-gelf_getnote.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <gelf.h>
 
diff --git a/tools/build/feature/test-libelf-getphdrnum.c b/tools/build/feature/test-libelf-getphdrnum.c
index d710459306c3..96a7f8d30a59 100644
--- a/tools/build/feature/test-libelf-getphdrnum.c
+++ b/tools/build/feature/test-libelf-getphdrnum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libelf.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libelf-getshdrstrndx.c b/tools/build/feature/test-libelf-getshdrstrndx.c
index f0c3b47cce28..ae9f2fff5af0 100644
--- a/tools/build/feature/test-libelf-getshdrstrndx.c
+++ b/tools/build/feature/test-libelf-getshdrstrndx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libelf.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libelf-mmap.c b/tools/build/feature/test-libelf-mmap.c
index 564427d7ef18..2c3ef81affe2 100644
--- a/tools/build/feature/test-libelf-mmap.c
+++ b/tools/build/feature/test-libelf-mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libelf.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libelf.c b/tools/build/feature/test-libelf.c
index 08db322d8957..905044127d56 100644
--- a/tools/build/feature/test-libelf.c
+++ b/tools/build/feature/test-libelf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libelf.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libnuma.c b/tools/build/feature/test-libnuma.c
index 4763d9cd587d..b3aa59f8b3cb 100644
--- a/tools/build/feature/test-libnuma.c
+++ b/tools/build/feature/test-libnuma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <numa.h>
 #include <numaif.h>
 
diff --git a/tools/build/feature/test-libperl.c b/tools/build/feature/test-libperl.c
index 8871f6a0fdb4..0415f437eb31 100644
--- a/tools/build/feature/test-libperl.c
+++ b/tools/build/feature/test-libperl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <EXTERN.h>
 #include <perl.h>
 
diff --git a/tools/build/feature/test-libpython-version.c b/tools/build/feature/test-libpython-version.c
index facea122d812..47714b942d4d 100644
--- a/tools/build/feature/test-libpython-version.c
+++ b/tools/build/feature/test-libpython-version.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <Python.h>
 
 #if PY_VERSION_HEX >= 0x03000000
diff --git a/tools/build/feature/test-libpython.c b/tools/build/feature/test-libpython.c
index b24b28ad6324..0c1641b0d9a7 100644
--- a/tools/build/feature/test-libpython.c
+++ b/tools/build/feature/test-libpython.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <Python.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libslang.c b/tools/build/feature/test-libslang.c
index 22ff22ed94d1..9cbff8d1df53 100644
--- a/tools/build/feature/test-libslang.c
+++ b/tools/build/feature/test-libslang.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <slang.h>
 
 int main(void)
diff --git a/tools/build/feature/test-libunwind-aarch64.c b/tools/build/feature/test-libunwind-aarch64.c
index fc03fb64e8c1..323803f49212 100644
--- a/tools/build/feature/test-libunwind-aarch64.c
+++ b/tools/build/feature/test-libunwind-aarch64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-aarch64.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-arm.c b/tools/build/feature/test-libunwind-arm.c
index 632d95ec641f..cb378b7d6866 100644
--- a/tools/build/feature/test-libunwind-arm.c
+++ b/tools/build/feature/test-libunwind-arm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-arm.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-debug-frame-aarch64.c b/tools/build/feature/test-libunwind-debug-frame-aarch64.c
index 22844673fc26..36d6646c185e 100644
--- a/tools/build/feature/test-libunwind-debug-frame-aarch64.c
+++ b/tools/build/feature/test-libunwind-debug-frame-aarch64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-aarch64.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-debug-frame-arm.c b/tools/build/feature/test-libunwind-debug-frame-arm.c
index f98859684fee..8696e48e1268 100644
--- a/tools/build/feature/test-libunwind-debug-frame-arm.c
+++ b/tools/build/feature/test-libunwind-debug-frame-arm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-arm.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-debug-frame.c b/tools/build/feature/test-libunwind-debug-frame.c
index 0ef8087a104a..efb55cdd8d01 100644
--- a/tools/build/feature/test-libunwind-debug-frame.c
+++ b/tools/build/feature/test-libunwind-debug-frame.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-x86.c b/tools/build/feature/test-libunwind-x86.c
index 3561edce305e..e5e0f6c89637 100644
--- a/tools/build/feature/test-libunwind-x86.c
+++ b/tools/build/feature/test-libunwind-x86.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-x86.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind-x86_64.c b/tools/build/feature/test-libunwind-x86_64.c
index 5add2517b2a1..62ae4db597dc 100644
--- a/tools/build/feature/test-libunwind-x86_64.c
+++ b/tools/build/feature/test-libunwind-x86_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind-x86_64.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-libunwind.c b/tools/build/feature/test-libunwind.c
index 43b9369bcab7..53fd26614ff0 100644
--- a/tools/build/feature/test-libunwind.c
+++ b/tools/build/feature/test-libunwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <libunwind.h>
 #include <stdlib.h>
 
diff --git a/tools/build/feature/test-llvm-version.cpp b/tools/build/feature/test-llvm-version.cpp
index 896d31724568..8a091625446a 100644
--- a/tools/build/feature/test-llvm-version.cpp
+++ b/tools/build/feature/test-llvm-version.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <cstdio>
 #include "llvm/Config/llvm-config.h"
 
diff --git a/tools/build/feature/test-llvm.cpp b/tools/build/feature/test-llvm.cpp
index 455a332dc8a8..88a3d1bdd9f6 100644
--- a/tools/build/feature/test-llvm.cpp
+++ b/tools/build/feature/test-llvm.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/raw_ostream.h"
 #define NUM_VERSION (((LLVM_VERSION_MAJOR) << 16) + (LLVM_VERSION_MINOR << 8) + LLVM_VERSION_PATCH)
diff --git a/tools/build/feature/test-lzma.c b/tools/build/feature/test-lzma.c
index 95adc8ced3dd..78682bb01d57 100644
--- a/tools/build/feature/test-lzma.c
+++ b/tools/build/feature/test-lzma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <lzma.h>
 
 int main(void)
diff --git a/tools/build/feature/test-numa_num_possible_cpus.c b/tools/build/feature/test-numa_num_possible_cpus.c
index 2606e94b0659..573d07b9c570 100644
--- a/tools/build/feature/test-numa_num_possible_cpus.c
+++ b/tools/build/feature/test-numa_num_possible_cpus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <numa.h>
 
 int main(void)
diff --git a/tools/build/feature/test-pthread-attr-setaffinity-np.c b/tools/build/feature/test-pthread-attr-setaffinity-np.c
index fdada5e8d454..38c71131c452 100644
--- a/tools/build/feature/test-pthread-attr-setaffinity-np.c
+++ b/tools/build/feature/test-pthread-attr-setaffinity-np.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdint.h>
 #include <pthread.h>
 #include <sched.h>
diff --git a/tools/build/feature/test-sched_getcpu.c b/tools/build/feature/test-sched_getcpu.c
index 9c6b4cbffb1c..e448deb4124c 100644
--- a/tools/build/feature/test-sched_getcpu.c
+++ b/tools/build/feature/test-sched_getcpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE
 #endif
diff --git a/tools/build/feature/test-sdt.c b/tools/build/feature/test-sdt.c
index e4531a6e80ea..22737b0dadc8 100644
--- a/tools/build/feature/test-sdt.c
+++ b/tools/build/feature/test-sdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/sdt.h>
 
 int main(void)
diff --git a/tools/build/feature/test-stackprotector-all.c b/tools/build/feature/test-stackprotector-all.c
index c9f398d87868..c8a57194f9f2 100644
--- a/tools/build/feature/test-stackprotector-all.c
+++ b/tools/build/feature/test-stackprotector-all.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 
 int main(void)
diff --git a/tools/build/feature/test-sync-compare-and-swap.c b/tools/build/feature/test-sync-compare-and-swap.c
index c34d4ca4af56..1e38d1930a97 100644
--- a/tools/build/feature/test-sync-compare-and-swap.c
+++ b/tools/build/feature/test-sync-compare-and-swap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdint.h>
 
 volatile uint64_t x;
diff --git a/tools/build/feature/test-timerfd.c b/tools/build/feature/test-timerfd.c
index 8c5c083b4d3c..9c72c697a9df 100644
--- a/tools/build/feature/test-timerfd.c
+++ b/tools/build/feature/test-timerfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * test for timerfd functions used by perf-kvm-stat-live
  */
diff --git a/tools/build/feature/test-zlib.c b/tools/build/feature/test-zlib.c
index e111fff6240e..da6c35794b93 100644
--- a/tools/build/feature/test-zlib.c
+++ b/tools/build/feature/test-zlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <zlib.h>
 
 int main(void)
diff --git a/tools/build/fixdep.c b/tools/build/fixdep.c
index 734d1547cbae..2501fea7aa3e 100644
--- a/tools/build/fixdep.c
+++ b/tools/build/fixdep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * "Optimize" a list of dependencies as spit out by gcc -MD
  * for the build framework.
diff --git a/tools/build/tests/ex/Makefile b/tools/build/tests/ex/Makefile
index 027d6c8a58a7..fee032e06a85 100644
--- a/tools/build/tests/ex/Makefile
+++ b/tools/build/tests/ex/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 export srctree := $(abspath ../../../..)
 export CC      := gcc
 export LD      := ld
diff --git a/tools/build/tests/ex/a.c b/tools/build/tests/ex/a.c
index 851762798c83..66017a9f40b6 100644
--- a/tools/build/tests/ex/a.c
+++ b/tools/build/tests/ex/a.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int a(void)
 {
diff --git a/tools/build/tests/ex/arch/e.c b/tools/build/tests/ex/arch/e.c
index beaa4a1d7ba8..f6ef585b570c 100644
--- a/tools/build/tests/ex/arch/e.c
+++ b/tools/build/tests/ex/arch/e.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int e(void)
 {
diff --git a/tools/build/tests/ex/arch/f.c b/tools/build/tests/ex/arch/f.c
index 7c3e9e9da5b7..bffd9c67e9af 100644
--- a/tools/build/tests/ex/arch/f.c
+++ b/tools/build/tests/ex/arch/f.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int f(void)
 {
diff --git a/tools/build/tests/ex/b.c b/tools/build/tests/ex/b.c
index c24ff9ca9a97..2b29fb4d3c20 100644
--- a/tools/build/tests/ex/b.c
+++ b/tools/build/tests/ex/b.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int b(void)
 {
diff --git a/tools/build/tests/ex/c.c b/tools/build/tests/ex/c.c
index e216d0217499..a63b20ab83d5 100644
--- a/tools/build/tests/ex/c.c
+++ b/tools/build/tests/ex/c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int c(void)
 {
diff --git a/tools/build/tests/ex/d.c b/tools/build/tests/ex/d.c
index 80dc0f06151b..e114e8dca0b6 100644
--- a/tools/build/tests/ex/d.c
+++ b/tools/build/tests/ex/d.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int d(void)
 {
diff --git a/tools/build/tests/ex/ex.c b/tools/build/tests/ex/ex.c
index 57de6074d252..3c02756ef912 100644
--- a/tools/build/tests/ex/ex.c
+++ b/tools/build/tests/ex/ex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 int a(void);
 int b(void);
diff --git a/tools/build/tests/ex/inc.c b/tools/build/tests/ex/inc.c
index c20f1e9033a3..3636ab5bf339 100644
--- a/tools/build/tests/ex/inc.c
+++ b/tools/build/tests/ex/inc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifdef INCLUDE
 #include "krava.h"
 #endif
diff --git a/tools/build/tests/run.sh b/tools/build/tests/run.sh
index 44d2a0fade67..2c54e4d43546 100755
--- a/tools/build/tests/run.sh
+++ b/tools/build/tests/run.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 function test_ex {
 	make -C ex V=1 clean > ex.out 2>&1
diff --git a/tools/cgroup/Makefile b/tools/cgroup/Makefile
index b4286196b763..860fa151640a 100644
--- a/tools/cgroup/Makefile
+++ b/tools/cgroup/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for cgroup tools
 
 CC = $(CROSS_COMPILE)gcc
diff --git a/tools/cgroup/cgroup_event_listener.c b/tools/cgroup/cgroup_event_listener.c
index 4eb5507205c9..3d70dc831a76 100644
--- a/tools/cgroup/cgroup_event_listener.c
+++ b/tools/cgroup/cgroup_event_listener.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cgroup_event_listener.c - Simple listener of cgroup events
  *
diff --git a/tools/firewire/Makefile b/tools/firewire/Makefile
index 81767adaae7d..67b6e9fca83c 100644
--- a/tools/firewire/Makefile
+++ b/tools/firewire/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 prefix = /usr
 nosy-dump-version = 0.4
 
diff --git a/tools/firewire/decode-fcp.c b/tools/firewire/decode-fcp.c
index e41223b6a4c8..b67ebc88434d 100644
--- a/tools/firewire/decode-fcp.c
+++ b/tools/firewire/decode-fcp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/firewire-constants.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/firewire/list.h b/tools/firewire/list.h
index 41f4bdadf634..6278d08e99e3 100644
--- a/tools/firewire/list.h
+++ b/tools/firewire/list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 struct list {
 	struct list *next, *prev;
 };
diff --git a/tools/firewire/nosy-dump.h b/tools/firewire/nosy-dump.h
index 3a4b5b33ba5d..69e5e594f284 100644
--- a/tools/firewire/nosy-dump.h
+++ b/tools/firewire/nosy-dump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __nosy_dump_h__
 #define __nosy_dump_h__
 
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index b4401536cfa9..805a2c0cf4cd 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../scripts/Makefile.include
 
 bindir ?= /usr/bin
diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index 0d1e61b81844..31503819454d 100644
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for Hyper-V tools
 
 CC = $(CROSS_COMPILE)gcc
diff --git a/tools/hv/hv_get_dhcp_info.sh b/tools/hv/hv_get_dhcp_info.sh
index ccd3e9532764..c38686c44656 100755
--- a/tools/hv/hv_get_dhcp_info.sh
+++ b/tools/hv/hv_get_dhcp_info.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 # This example script retrieves the DHCP state of a given interface.
 # In the interest of keeping the KVP daemon code free of distro specific
diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh
index 735aafd64a3f..7ed9f85ef908 100755
--- a/tools/hv/hv_set_ifconfig.sh
+++ b/tools/hv/hv_set_ifconfig.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 # This example script activates an interface based on the specified
 # configuration.
diff --git a/tools/hv/lsvmbus b/tools/hv/lsvmbus
index e8fecd61871f..353e56768df8 100644
--- a/tools/hv/lsvmbus
+++ b/tools/hv/lsvmbus
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# SPDX-License-Identifier: GPL-2.0
 
 import os
 from optparse import OptionParser
diff --git a/tools/iio/Makefile b/tools/iio/Makefile
index d4d956020adf..a08e7a47d6a3 100644
--- a/tools/iio/Makefile
+++ b/tools/iio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../scripts/Makefile.include
 
 bindir ?= /usr/bin
diff --git a/tools/include/asm-generic/atomic-gcc.h b/tools/include/asm-generic/atomic-gcc.h
index 5e9738f97bf3..40b231fb95bd 100644
--- a/tools/include/asm-generic/atomic-gcc.h
+++ b/tools/include/asm-generic/atomic-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_ASM_GENERIC_ATOMIC_H
 #define __TOOLS_ASM_GENERIC_ATOMIC_H
 
diff --git a/tools/include/asm-generic/bitops.h b/tools/include/asm-generic/bitops.h
index 0304600121da..9bce3b56b5e7 100644
--- a/tools/include/asm-generic/bitops.h
+++ b/tools/include/asm-generic/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_ASM_GENERIC_BITOPS_H
 #define __TOOLS_ASM_GENERIC_BITOPS_H
 
diff --git a/tools/include/asm-generic/bitops/__ffs.h b/tools/include/asm-generic/bitops/__ffs.h
index b3accfdf24b9..9d1310519497 100644
--- a/tools/include/asm-generic/bitops/__ffs.h
+++ b/tools/include/asm-generic/bitops/__ffs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS___FFS_H_
 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS___FFS_H_
 
diff --git a/tools/include/asm-generic/bitops/atomic.h b/tools/include/asm-generic/bitops/atomic.h
index 68b8c1516c5a..21c41ccd1266 100644
--- a/tools/include/asm-generic/bitops/atomic.h
+++ b/tools/include/asm-generic/bitops/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
 
diff --git a/tools/include/asm-generic/bitops/find.h b/tools/include/asm-generic/bitops/find.h
index 5538ecdc964a..9311fadaaab2 100644
--- a/tools/include/asm-generic/bitops/find.h
+++ b/tools/include/asm-generic/bitops/find.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_
 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_
 
diff --git a/tools/include/asm-generic/bitops/hweight.h b/tools/include/asm-generic/bitops/hweight.h
index 290120c01a8e..3e681982bcd1 100644
--- a/tools/include/asm-generic/bitops/hweight.h
+++ b/tools/include/asm-generic/bitops/hweight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_HWEIGHT_H_
 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_HWEIGHT_H_
 
diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h
index 45eca517efb3..8f2283052333 100644
--- a/tools/include/asm-generic/bitsperlong.h
+++ b/tools/include/asm-generic/bitsperlong.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_BITS_PER_LONG
 #define __ASM_GENERIC_BITS_PER_LONG
 
diff --git a/tools/include/asm/alternative-asm.h b/tools/include/asm/alternative-asm.h
index 2a4d1bfa2988..b54bd860dff6 100644
--- a/tools/include/asm/alternative-asm.h
+++ b/tools/include/asm/alternative-asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_ASM_ALTERNATIVE_ASM_H
 #define _TOOLS_ASM_ALTERNATIVE_ASM_H
 
diff --git a/tools/include/asm/atomic.h b/tools/include/asm/atomic.h
index 70794f538a86..8c9bfffd4191 100644
--- a/tools/include/asm/atomic.h
+++ b/tools/include/asm/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_ASM_ATOMIC_H
 #define __TOOLS_LINUX_ASM_ATOMIC_H
 
diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h
index ac66ac594685..391d942536e5 100644
--- a/tools/include/asm/barrier.h
+++ b/tools/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if defined(__i386__) || defined(__x86_64__)
 #include "../../arch/x86/include/asm/barrier.h"
 #elif defined(__arm__)
diff --git a/tools/include/asm/bug.h b/tools/include/asm/bug.h
index 4790f047a89c..bbd75ac8b202 100644
--- a/tools/include/asm/bug.h
+++ b/tools/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_ASM_BUG_H
 #define _TOOLS_ASM_BUG_H
 
diff --git a/tools/include/linux/atomic.h b/tools/include/linux/atomic.h
index 9f21fc2b092b..00a6c4ca562b 100644
--- a/tools/include/linux/atomic.h
+++ b/tools/include/linux/atomic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_ATOMIC_H
 #define __TOOLS_LINUX_ATOMIC_H
 
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index e8b9f518e36b..ca160270fdfa 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_BITOPS_H
 #define _PERF_BITOPS_H
 
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 969db1981868..acc704bd3998 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_BITOPS_H_
 #define _TOOLS_LINUX_BITOPS_H_
 
diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h
index 8e4a4f49135d..85f80258a15f 100644
--- a/tools/include/linux/bug.h
+++ b/tools/include/linux/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_PERF_LINUX_BUG_H
 #define _TOOLS_PERF_LINUX_BUG_H
 
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index 3723b9f8f964..a3a4427441bf 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_COMPILER_H_
 #error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
 #endif
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index d7a5604c38d7..07fd03c74a77 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_COMPILER_H_
 #define _TOOLS_LINUX_COMPILER_H_
 
diff --git a/tools/include/linux/debug_locks.h b/tools/include/linux/debug_locks.h
index 61cc7f501168..72d595ce764a 100644
--- a/tools/include/linux/debug_locks.h
+++ b/tools/include/linux/debug_locks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_DEBUG_LOCKS_H_
 #define _LIBLOCKDEP_DEBUG_LOCKS_H_
 
diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h
index abf0478a8fb2..7a8b61ad44cb 100644
--- a/tools/include/linux/err.h
+++ b/tools/include/linux/err.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_ERR_H
 #define __TOOLS_LINUX_ERR_H
 
diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h
index 4ce25d43e8e3..c5e512da8d8a 100644
--- a/tools/include/linux/filter.h
+++ b/tools/include/linux/filter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Linux Socket Filter Data Structures
  */
diff --git a/tools/include/linux/hardirq.h b/tools/include/linux/hardirq.h
index c8f3f8f58729..b25580b6a9be 100644
--- a/tools/include/linux/hardirq.h
+++ b/tools/include/linux/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_HARDIRQ_H_
 #define _LIBLOCKDEP_LINUX_HARDIRQ_H_
 
diff --git a/tools/include/linux/hash.h b/tools/include/linux/hash.h
index ad6fa21d977b..2c4183bbc504 100644
--- a/tools/include/linux/hash.h
+++ b/tools/include/linux/hash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_HASH_H
 #define _LINUX_HASH_H
 /* Fast hashing routine for ints,  longs and pointers.
diff --git a/tools/include/linux/hashtable.h b/tools/include/linux/hashtable.h
index 251eabf2a05e..434dd5ac6d71 100644
--- a/tools/include/linux/hashtable.h
+++ b/tools/include/linux/hashtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Statically sized hash table implementation
  * (C) 2012  Sasha Levin <levinsasha928@gmail.com>
diff --git a/tools/include/linux/irqflags.h b/tools/include/linux/irqflags.h
index df77669cfe1c..e734da3e5b33 100644
--- a/tools/include/linux/irqflags.h
+++ b/tools/include/linux/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
 #define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
 
diff --git a/tools/include/linux/kallsyms.h b/tools/include/linux/kallsyms.h
index 582cc1e5f3a4..89ca6fe257cc 100644
--- a/tools/include/linux/kallsyms.h
+++ b/tools/include/linux/kallsyms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_KALLSYMS_H_
 #define _LIBLOCKDEP_LINUX_KALLSYMS_H_
 
diff --git a/tools/include/linux/kern_levels.h b/tools/include/linux/kern_levels.h
index 3b9bade28698..778ecb984480 100644
--- a/tools/include/linux/kern_levels.h
+++ b/tools/include/linux/kern_levels.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KERN_LEVELS_H__
 #define __KERN_LEVELS_H__
 
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 77d2e94ca5df..0ad884452c5c 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_KERNEL_H
 #define __TOOLS_LINUX_KERNEL_H
 
diff --git a/tools/include/linux/kmemcheck.h b/tools/include/linux/kmemcheck.h
index 94d598bc6abe..2bccd2c7b897 100644
--- a/tools/include/linux/kmemcheck.h
+++ b/tools/include/linux/kmemcheck.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_KMEMCHECK_H_
 #define _LIBLOCKDEP_LINUX_KMEMCHECK_H_
 
diff --git a/tools/include/linux/list.h b/tools/include/linux/list.h
index 1da423820ad4..b2fc48d5478c 100644
--- a/tools/include/linux/list.h
+++ b/tools/include/linux/list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_LINUX_LIST_H
 #define __TOOLS_LINUX_LIST_H
 
diff --git a/tools/include/linux/lockdep.h b/tools/include/linux/lockdep.h
index 8da3e8effafa..940c1b075659 100644
--- a/tools/include/linux/lockdep.h
+++ b/tools/include/linux/lockdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LOCKDEP_H_
 #define _LIBLOCKDEP_LOCKDEP_H_
 
diff --git a/tools/include/linux/module.h b/tools/include/linux/module.h
index 07055db296f3..2c999abf68e7 100644
--- a/tools/include/linux/module.h
+++ b/tools/include/linux/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_MODULE_H_
 #define _LIBLOCKDEP_LINUX_MODULE_H_
 
diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h
index 51334edec506..4bf6777a8a03 100644
--- a/tools/include/linux/poison.h
+++ b/tools/include/linux/poison.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_POISON_H
 #define _LINUX_POISON_H
 
diff --git a/tools/include/linux/rcu.h b/tools/include/linux/rcu.h
index 5080649dad04..7d02527e5bce 100644
--- a/tools/include/linux/rcu.h
+++ b/tools/include/linux/rcu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_RCU_H_
 #define _LIBLOCKDEP_RCU_H_
 
diff --git a/tools/include/linux/refcount.h b/tools/include/linux/refcount.h
index a0177c1f55b1..36cb29bc57c2 100644
--- a/tools/include/linux/refcount.h
+++ b/tools/include/linux/refcount.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_REFCOUNT_H
 #define _TOOLS_LINUX_REFCOUNT_H
 
diff --git a/tools/include/linux/spinlock.h b/tools/include/linux/spinlock.h
index 417cda4f793f..4ed569fcb139 100644
--- a/tools/include/linux/spinlock.h
+++ b/tools/include/linux/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_SPINLOCK_H_
 #define __LINUX_SPINLOCK_H_
 
diff --git a/tools/include/linux/stacktrace.h b/tools/include/linux/stacktrace.h
index 39aecc6b19d1..ae343ac35bfa 100644
--- a/tools/include/linux/stacktrace.h
+++ b/tools/include/linux/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_
 #define _LIBLOCKDEP_LINUX_STACKTRACE_H_
 
diff --git a/tools/include/linux/string.h b/tools/include/linux/string.h
index a30fad536f52..6c3e2cc274c5 100644
--- a/tools/include/linux/string.h
+++ b/tools/include/linux/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_STRING_H_
 #define _TOOLS_LINUX_STRING_H_
 
diff --git a/tools/include/linux/stringify.h b/tools/include/linux/stringify.h
index 841cec8ed525..60e2c187da2c 100644
--- a/tools/include/linux/stringify.h
+++ b/tools/include/linux/stringify.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_STRINGIFY_H
 #define __LINUX_STRINGIFY_H
 
diff --git a/tools/include/linux/time64.h b/tools/include/linux/time64.h
index df9265483d65..55fa644b95fd 100644
--- a/tools/include/linux/time64.h
+++ b/tools/include/linux/time64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_TIME64_H
 #define _TOOLS_LINUX_TIME64_H
 
diff --git a/tools/include/linux/types.h b/tools/include/linux/types.h
index 77a28a26a670..154eb4e3ca7c 100644
--- a/tools/include/linux/types.h
+++ b/tools/include/linux/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LINUX_TYPES_H_
 #define _TOOLS_LINUX_TYPES_H_
 
diff --git a/tools/include/linux/unaligned/packed_struct.h b/tools/include/linux/unaligned/packed_struct.h
index c0d817de4df2..dbd93c7df2e1 100644
--- a/tools/include/linux/unaligned/packed_struct.h
+++ b/tools/include/linux/unaligned/packed_struct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H
 #define _LINUX_UNALIGNED_PACKED_STRUCT_H
 
diff --git a/tools/include/tools/be_byteshift.h b/tools/include/tools/be_byteshift.h
index 84c17d836578..f7d1d1698938 100644
--- a/tools/include/tools/be_byteshift.h
+++ b/tools/include/tools/be_byteshift.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_BE_BYTESHIFT_H
 #define _TOOLS_BE_BYTESHIFT_H
 
diff --git a/tools/include/tools/endian.h b/tools/include/tools/endian.h
index 8001194008da..c67888fd427e 100644
--- a/tools/include/tools/endian.h
+++ b/tools/include/tools/endian.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_ENDIAN_H
 #define _TOOLS_ENDIAN_H
 
diff --git a/tools/include/tools/le_byteshift.h b/tools/include/tools/le_byteshift.h
index 8fe9f2488ec7..dc8565f39717 100644
--- a/tools/include/tools/le_byteshift.h
+++ b/tools/include/tools/le_byteshift.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TOOLS_LE_BYTESHIFT_H
 #define _TOOLS_LE_BYTESHIFT_H
 
diff --git a/tools/include/uapi/asm-generic/mman.h b/tools/include/uapi/asm-generic/mman.h
index 10fa7857777f..f7c7b4355e56 100644
--- a/tools/include/uapi/asm-generic/mman.h
+++ b/tools/include/uapi/asm-generic/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_GENERIC_MMAN_H
 #define __ASM_GENERIC_MMAN_H
 
diff --git a/tools/include/uapi/linux/bpf_common.h b/tools/include/uapi/linux/bpf_common.h
index a5c220e0828f..64ba734aba80 100644
--- a/tools/include/uapi/linux/bpf_common.h
+++ b/tools/include/uapi/linux/bpf_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI__LINUX_BPF_COMMON_H__
 #define _UAPI__LINUX_BPF_COMMON_H__
 
diff --git a/tools/include/uapi/linux/fcntl.h b/tools/include/uapi/linux/fcntl.h
index ec69d55bcec7..b6705247afe8 100644
--- a/tools/include/uapi/linux/fcntl.h
+++ b/tools/include/uapi/linux/fcntl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI_LINUX_FCNTL_H
 #define _UAPI_LINUX_FCNTL_H
 
diff --git a/tools/include/uapi/linux/hw_breakpoint.h b/tools/include/uapi/linux/hw_breakpoint.h
index 2b65efd19a46..6394ea9d5524 100644
--- a/tools/include/uapi/linux/hw_breakpoint.h
+++ b/tools/include/uapi/linux/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI_LINUX_HW_BREAKPOINT_H
 #define _UAPI_LINUX_HW_BREAKPOINT_H
 
diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h
index a937480d7cd3..64d2b4e556e5 100644
--- a/tools/include/uapi/linux/mman.h
+++ b/tools/include/uapi/linux/mman.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI_LINUX_MMAN_H
 #define _UAPI_LINUX_MMAN_H
 
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index 17b10304c393..9eac599afd91 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI_LINUX_STAT_H
 #define _UAPI_LINUX_STAT_H
 
diff --git a/tools/kvm/kvm_stat/Makefile b/tools/kvm/kvm_stat/Makefile
index 5b1cba57e3b3..c3e36c60d477 100644
--- a/tools/kvm/kvm_stat/Makefile
+++ b/tools/kvm/kvm_stat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../../scripts/Makefile.include
 include ../../scripts/utilities.mak
 BINDIR=usr/bin
diff --git a/tools/laptop/dslm/Makefile b/tools/laptop/dslm/Makefile
index ff613b31730b..90f512c4e2bb 100644
--- a/tools/laptop/dslm/Makefile
+++ b/tools/laptop/dslm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 CFLAGS := -I../../usr/include
 
diff --git a/tools/laptop/freefall/Makefile b/tools/laptop/freefall/Makefile
index 48c6c9328419..5f758c489a20 100644
--- a/tools/laptop/freefall/Makefile
+++ b/tools/laptop/freefall/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 PREFIX ?= /usr
 SBINDIR ?= sbin
 INSTALL ?= install
diff --git a/tools/leds/Makefile b/tools/leds/Makefile
index 078b666fd78b..c379af003807 100644
--- a/tools/leds/Makefile
+++ b/tools/leds/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for LEDs tools
 
 CC = $(CROSS_COMPILE)gcc
diff --git a/tools/leds/led_hw_brightness_mon.c b/tools/leds/led_hw_brightness_mon.c
index 64642ccfe442..eb65ae988839 100644
--- a/tools/leds/led_hw_brightness_mon.c
+++ b/tools/leds/led_hw_brightness_mon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * led_hw_brightness_mon.c
  *
diff --git a/tools/leds/uledmon.c b/tools/leds/uledmon.c
index 25cbc7acf50a..c15a39c1f271 100644
--- a/tools/leds/uledmon.c
+++ b/tools/leds/uledmon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * uledmon.c
  *
diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile
index 1e83e3c07448..a13e9c7f1fc5 100644
--- a/tools/lib/api/Makefile
+++ b/tools/lib/api/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../../scripts/Makefile.include
 include ../../scripts/utilities.mak		# QUIET_CLEAN
 
diff --git a/tools/lib/api/cpu.c b/tools/lib/api/cpu.c
index 8c6489356e3a..4af6d4b7aa07 100644
--- a/tools/lib/api/cpu.c
+++ b/tools/lib/api/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 
 #include "cpu.h"
diff --git a/tools/lib/api/cpu.h b/tools/lib/api/cpu.h
index 81e9d3955961..90a102fb20de 100644
--- a/tools/lib/api/cpu.h
+++ b/tools/lib/api/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_CPU__
 #define __API_CPU__
 
diff --git a/tools/lib/api/debug-internal.h b/tools/lib/api/debug-internal.h
index 188f7880eafe..80c783497d25 100644
--- a/tools/lib/api/debug-internal.h
+++ b/tools/lib/api/debug-internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_DEBUG_INTERNAL_H__
 #define __API_DEBUG_INTERNAL_H__
 
diff --git a/tools/lib/api/debug.c b/tools/lib/api/debug.c
index 5fa5cf500a1f..69b1ba3d1ee3 100644
--- a/tools/lib/api/debug.c
+++ b/tools/lib/api/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdarg.h>
 #include "debug.h"
diff --git a/tools/lib/api/debug.h b/tools/lib/api/debug.h
index a0872f68fc56..3684dd6e0c02 100644
--- a/tools/lib/api/debug.h
+++ b/tools/lib/api/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_DEBUG_H__
 #define __API_DEBUG_H__
 
diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h
index 71287dddc05f..b39557d1a88f 100644
--- a/tools/lib/api/fd/array.h
+++ b/tools/lib/api/fd/array.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_FD_ARRAY__
 #define __API_FD_ARRAY__
 
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index a7ecf8f469f4..b24afc0e6e81 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <ctype.h>
 #include <errno.h>
 #include <limits.h>
diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h
index 45605348461e..dda49deefb52 100644
--- a/tools/lib/api/fs/fs.h
+++ b/tools/lib/api/fs/fs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_FS__
 #define __API_FS__
 
diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_path.c
index 3e606b9c443e..7b7fd0b18551 100644
--- a/tools/lib/api/fs/tracing_path.c
+++ b/tools/lib/api/fs/tracing_path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef _GNU_SOURCE
 # define _GNU_SOURCE
 #endif
diff --git a/tools/lib/api/fs/tracing_path.h b/tools/lib/api/fs/tracing_path.h
index 3f233ac70b6f..0066f06cc381 100644
--- a/tools/lib/api/fs/tracing_path.h
+++ b/tools/lib/api/fs/tracing_path.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __API_FS_TRACING_PATH_H
 #define __API_FS_TRACING_PATH_H
 
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index d2441db34740..4555304dc18e 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Most of this file is copied from tools/lib/traceevent/Makefile
 
 BPF_VERSION = 0
diff --git a/tools/lib/hweight.c b/tools/lib/hweight.c
index 0b859b884339..a16ebf515417 100644
--- a/tools/lib/hweight.c
+++ b/tools/lib/hweight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bitops.h>
 #include <asm/types.h>
 
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index ed9ace59d112..9b0ca3ad1ef3 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # file format version
 FILE_VERSION = 1
 
diff --git a/tools/lib/lockdep/common.c b/tools/lib/lockdep/common.c
index d1c89cc06f5f..5c3b58cce8a9 100644
--- a/tools/lib/lockdep/common.c
+++ b/tools/lib/lockdep/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stddef.h>
 #include <stdbool.h>
 #include <linux/compiler.h>
diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h
index 6e66277ec437..8862da80995a 100644
--- a/tools/lib/lockdep/include/liblockdep/common.h
+++ b/tools/lib/lockdep/include/liblockdep/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_COMMON_H
 #define _LIBLOCKDEP_COMMON_H
 
diff --git a/tools/lib/lockdep/include/liblockdep/mutex.h b/tools/lib/lockdep/include/liblockdep/mutex.h
index ee53a42818ca..a80ac39f966e 100644
--- a/tools/lib/lockdep/include/liblockdep/mutex.h
+++ b/tools/lib/lockdep/include/liblockdep/mutex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_MUTEX_H
 #define _LIBLOCKDEP_MUTEX_H
 
diff --git a/tools/lib/lockdep/include/liblockdep/rwlock.h b/tools/lib/lockdep/include/liblockdep/rwlock.h
index 4ec03f861551..a96c3bf0fef1 100644
--- a/tools/lib/lockdep/include/liblockdep/rwlock.h
+++ b/tools/lib/lockdep/include/liblockdep/rwlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_RWLOCK_H
 #define _LIBLOCKDEP_RWLOCK_H
 
diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c
index ced6d7443cea..6002fcf2f9bc 100644
--- a/tools/lib/lockdep/lockdep.c
+++ b/tools/lib/lockdep/lockdep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/lockdep.h>
 #include <stdlib.h>
 
diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c
index 6a2d3c5d4e92..76245d16196d 100644
--- a/tools/lib/lockdep/preload.c
+++ b/tools/lib/lockdep/preload.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <pthread.h>
 #include <stdio.h>
diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index f9b94098fc98..2e570a188f16 100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
@@ -1,4 +1,5 @@
 #! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 make &> /dev/null
 
diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c
index 18211a5f354f..63c7ce97bda3 100644
--- a/tools/lib/lockdep/tests/AA.c
+++ b/tools/lib/lockdep/tests/AA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 
 int main(void)
diff --git a/tools/lib/lockdep/tests/ABA.c b/tools/lib/lockdep/tests/ABA.c
index 0f782ff404ac..efa39b23f05d 100644
--- a/tools/lib/lockdep/tests/ABA.c
+++ b/tools/lib/lockdep/tests/ABA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 
 void main(void)
diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c
index 07f0e29d5485..1460afd33d71 100644
--- a/tools/lib/lockdep/tests/ABBA.c
+++ b/tools/lib/lockdep/tests/ABBA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/ABBA_2threads.c b/tools/lib/lockdep/tests/ABBA_2threads.c
index cd807d736361..39325ef8a2ac 100644
--- a/tools/lib/lockdep/tests/ABBA_2threads.c
+++ b/tools/lib/lockdep/tests/ABBA_2threads.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <pthread.h>
 
diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c
index 843db09ac666..a54c1b2af118 100644
--- a/tools/lib/lockdep/tests/ABBCCA.c
+++ b/tools/lib/lockdep/tests/ABBCCA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c
index 33620e268f85..aa5d194e8869 100644
--- a/tools/lib/lockdep/tests/ABBCCDDA.c
+++ b/tools/lib/lockdep/tests/ABBCCDDA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c
index 3fee51e3a68a..b54a08e60416 100644
--- a/tools/lib/lockdep/tests/ABCABC.c
+++ b/tools/lib/lockdep/tests/ABCABC.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c
index 427ba562c75b..a56742250d86 100644
--- a/tools/lib/lockdep/tests/ABCDBCDA.c
+++ b/tools/lib/lockdep/tests/ABCDBCDA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c
index 680c6cf3e919..238a3353f3c3 100644
--- a/tools/lib/lockdep/tests/ABCDBDDA.c
+++ b/tools/lib/lockdep/tests/ABCDBDDA.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 #include "common.h"
 
diff --git a/tools/lib/lockdep/tests/WW.c b/tools/lib/lockdep/tests/WW.c
index d44f77d71029..eee88df7fc41 100644
--- a/tools/lib/lockdep/tests/WW.c
+++ b/tools/lib/lockdep/tests/WW.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/rwlock.h>
 
 void main(void)
diff --git a/tools/lib/lockdep/tests/common.h b/tools/lib/lockdep/tests/common.h
index d89e94d47d86..3026c29ccb5c 100644
--- a/tools/lib/lockdep/tests/common.h
+++ b/tools/lib/lockdep/tests/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIBLOCKDEP_TEST_COMMON_H
 #define _LIBLOCKDEP_TEST_COMMON_H
 
diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c
index 0bc62de686f7..34cf32f689de 100644
--- a/tools/lib/lockdep/tests/unlock_balance.c
+++ b/tools/lib/lockdep/tests/unlock_balance.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <liblockdep/mutex.h>
 
 void main(void)
diff --git a/tools/lib/str_error_r.c b/tools/lib/str_error_r.c
index 503ae072244c..d6d65537b0d9 100644
--- a/tools/lib/str_error_r.c
+++ b/tools/lib/str_error_r.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef _GNU_SOURCE
 #include <string.h>
 #include <stdio.h>
diff --git a/tools/lib/string.c b/tools/lib/string.c
index a4246f14ded1..93b3d4b6feac 100644
--- a/tools/lib/string.c
+++ b/tools/lib/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/tools/lib/string.c
  *
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 7e9f03c97e4c..95563b8e1ad7 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../../scripts/Makefile.include
 include ../../scripts/utilities.mak		# QUIET_CLEAN
 
diff --git a/tools/lib/subcmd/exec-cmd.c b/tools/lib/subcmd/exec-cmd.c
index 1ae833af1a4a..33e94fb83986 100644
--- a/tools/lib/subcmd/exec-cmd.c
+++ b/tools/lib/subcmd/exec-cmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/string.h>
 #include <sys/types.h>
diff --git a/tools/lib/subcmd/exec-cmd.h b/tools/lib/subcmd/exec-cmd.h
index 5d08bda31d90..aba591b8d254 100644
--- a/tools/lib/subcmd/exec-cmd.h
+++ b/tools/lib/subcmd/exec-cmd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_EXEC_CMD_H
 #define __SUBCMD_EXEC_CMD_H
 
diff --git a/tools/lib/subcmd/help.c b/tools/lib/subcmd/help.c
index 0310520f918e..2859f107abc8 100644
--- a/tools/lib/subcmd/help.c
+++ b/tools/lib/subcmd/help.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/lib/subcmd/help.h b/tools/lib/subcmd/help.h
index 9bd4223dc722..355c066c8d49 100644
--- a/tools/lib/subcmd/help.h
+++ b/tools/lib/subcmd/help.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_HELP_H
 #define __SUBCMD_HELP_H
 
diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c
index 6518bea926d6..5ba754d17952 100644
--- a/tools/lib/subcmd/pager.c
+++ b/tools/lib/subcmd/pager.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/select.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tools/lib/subcmd/pager.h b/tools/lib/subcmd/pager.h
index 623f5542d05d..f1a53cf29880 100644
--- a/tools/lib/subcmd/pager.h
+++ b/tools/lib/subcmd/pager.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_PAGER_H
 #define __SUBCMD_PAGER_H
 
diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c
index 2bd6fd0c1d40..f6a1babcbac4 100644
--- a/tools/lib/subcmd/parse-options.c
+++ b/tools/lib/subcmd/parse-options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/string.h>
 #include <linux/types.h>
diff --git a/tools/lib/subcmd/parse-options.h b/tools/lib/subcmd/parse-options.h
index f054ca1b899d..92fdbe1519f6 100644
--- a/tools/lib/subcmd/parse-options.h
+++ b/tools/lib/subcmd/parse-options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_PARSE_OPTIONS_H
 #define __SUBCMD_PARSE_OPTIONS_H
 
diff --git a/tools/lib/subcmd/run-command.c b/tools/lib/subcmd/run-command.c
index 911f83942723..5cdac2162532 100644
--- a/tools/lib/subcmd/run-command.c
+++ b/tools/lib/subcmd/run-command.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/tools/lib/subcmd/run-command.h b/tools/lib/subcmd/run-command.h
index fe2befea1e73..17d969c6add3 100644
--- a/tools/lib/subcmd/run-command.h
+++ b/tools/lib/subcmd/run-command.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_RUN_COMMAND_H
 #define __SUBCMD_RUN_COMMAND_H
 
diff --git a/tools/lib/subcmd/sigchain.c b/tools/lib/subcmd/sigchain.c
index 3537c348a18e..f0fe3dbef7f7 100644
--- a/tools/lib/subcmd/sigchain.c
+++ b/tools/lib/subcmd/sigchain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <signal.h>
 #include "subcmd-util.h"
 #include "sigchain.h"
diff --git a/tools/lib/subcmd/sigchain.h b/tools/lib/subcmd/sigchain.h
index 0c919f2874ca..1ec663af43ea 100644
--- a/tools/lib/subcmd/sigchain.h
+++ b/tools/lib/subcmd/sigchain.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_SIGCHAIN_H
 #define __SUBCMD_SIGCHAIN_H
 
diff --git a/tools/lib/subcmd/subcmd-config.c b/tools/lib/subcmd/subcmd-config.c
index d017c728bd1b..84a7cf6c7878 100644
--- a/tools/lib/subcmd/subcmd-config.c
+++ b/tools/lib/subcmd/subcmd-config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "subcmd-config.h"
 
 #define UNDEFINED "SUBCMD_HAS_NOT_BEEN_INITIALIZED"
diff --git a/tools/lib/subcmd/subcmd-config.h b/tools/lib/subcmd/subcmd-config.h
index cc8514030b5c..9024dc17d100 100644
--- a/tools/lib/subcmd/subcmd-config.h
+++ b/tools/lib/subcmd/subcmd-config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SUBCMD_CONFIG_H
 #define __PERF_SUBCMD_CONFIG_H
 
diff --git a/tools/lib/subcmd/subcmd-util.h b/tools/lib/subcmd/subcmd-util.h
index 8fa5f036eff0..794a375dad36 100644
--- a/tools/lib/subcmd/subcmd-util.h
+++ b/tools/lib/subcmd/subcmd-util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __SUBCMD_UTIL_H
 #define __SUBCMD_UTIL_H
 
diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
index d270ac00613d..914cb8e3d40b 100644
--- a/tools/lib/symbol/kallsyms.c
+++ b/tools/lib/symbol/kallsyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <ctype.h>
 #include "symbol/kallsyms.h"
 #include <stdio.h>
diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index 4071316a766e..bc40101d72c1 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TOOLS_KALLSYMS_H_
 #define __TOOLS_KALLSYMS_H_ 1
 
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 9b8555ea3459..46cd5f871ad7 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # trace-cmd version
 EP_VERSION = 1
 EP_PATCHLEVEL = 1
diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c
index ec57d0c1fbc2..8f8586912da7 100644
--- a/tools/lib/traceevent/plugin_cfg80211.c
+++ b/tools/lib/traceevent/plugin_cfg80211.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c
index 3727de48c8d5..5e750af2b461 100644
--- a/tools/lib/traceevent/plugin_scsi.c
+++ b/tools/lib/traceevent/plugin_scsi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c
index 3a413eaada68..690173bfa13e 100644
--- a/tools/lib/traceevent/plugin_xen.c
+++ b/tools/lib/traceevent/plugin_xen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/lib/vsprintf.c b/tools/lib/vsprintf.c
index 45f9a06daa56..e08ee147eab4 100644
--- a/tools/lib/vsprintf.c
+++ b/tools/lib/vsprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <linux/kernel.h>
 #include <stdio.h>
diff --git a/tools/net/Makefile b/tools/net/Makefile
index ddf888010652..5830670feae1 100644
--- a/tools/net/Makefile
+++ b/tools/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 prefix = /usr
 
 CC = gcc
diff --git a/tools/nfsd/inject_fault.sh b/tools/nfsd/inject_fault.sh
index 06a399ac8b2f..10ceee64a09a 100755
--- a/tools/nfsd/inject_fault.sh
+++ b/tools/nfsd/inject_fault.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Copyright (c) 2011 Bryan Schumaker <bjschuma@netapp.com>
 #
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 6976c73e60c4..424b1965d06f 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 include ../scripts/Makefile.include
 include ../scripts/Makefile.arch
 
diff --git a/tools/pci/pcitest.sh b/tools/pci/pcitest.sh
index 5442bbea4c22..77e8c85ef744 100644
--- a/tools/pci/pcitest.sh
+++ b/tools/pci/pcitest.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 echo "BAR tests"
 echo
diff --git a/tools/pcmcia/Makefile b/tools/pcmcia/Makefile
index 81a7498c5cd9..eae24df1dbf5 100644
--- a/tools/pcmcia/Makefile
+++ b/tools/pcmcia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC := $(CROSS_COMPILE)gcc
 CFLAGS := -I../../usr/include
 
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 32a64e619028..225454416ed5 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # This is a simple wrapper Makefile that calls the main Makefile.perf
 # with a -j option to do parallel builds
diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c
index 1ce0872b1726..b39b16395aac 100644
--- a/tools/perf/arch/arm/annotate/instructions.c
+++ b/tools/perf/arch/arm/annotate/instructions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <regex.h>
 
diff --git a/tools/perf/arch/arm/include/dwarf-regs-table.h b/tools/perf/arch/arm/include/dwarf-regs-table.h
index f298d034c37b..5a45046fab72 100644
--- a/tools/perf/arch/arm/include/dwarf-regs-table.h
+++ b/tools/perf/arch/arm/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h
index f619c9c5a4bf..ed20e0253e25 100644
--- a/tools/perf/arch/arm/include/perf_regs.h
+++ b/tools/perf/arch/arm/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_REGS_H
 #define ARCH_PERF_REGS_H
 
diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c
index 62eff847f91c..8cb347760233 100644
--- a/tools/perf/arch/arm/tests/dwarf-unwind.c
+++ b/tools/perf/arch/arm/tests/dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "perf_regs.h"
 #include "thread.h"
diff --git a/tools/perf/arch/arm/tests/regs_load.S b/tools/perf/arch/arm/tests/regs_load.S
index e09e983946fe..6e2495cc4517 100644
--- a/tools/perf/arch/arm/tests/regs_load.S
+++ b/tools/perf/arch/arm/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 #define R0 0x00
diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c
index bacfa00fca39..36ba4c69c3c5 100644
--- a/tools/perf/arch/arm/util/unwind-libdw.c
+++ b/tools/perf/arch/arm/util/unwind-libdw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elfutils/libdwfl.h>
 #include "../../util/unwind-libdw.h"
 #include "../../util/perf_regs.h"
diff --git a/tools/perf/arch/arm/util/unwind-libunwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c
index 62c397ed3d97..3a550225dfaf 100644
--- a/tools/perf/arch/arm/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm/util/unwind-libunwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <errno.h>
 #include <libunwind.h>
diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile
index eebe1ec9d2ee..91de4860faad 100644
--- a/tools/perf/arch/arm64/Makefile
+++ b/tools/perf/arch/arm64/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef NO_DWARF
 PERF_HAVE_DWARF_REGS := 1
 endif
diff --git a/tools/perf/arch/arm64/annotate/instructions.c b/tools/perf/arch/arm64/annotate/instructions.c
index 8f1908756cb6..9a3e0523e2c9 100644
--- a/tools/perf/arch/arm64/annotate/instructions.c
+++ b/tools/perf/arch/arm64/annotate/instructions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <regex.h>
 
diff --git a/tools/perf/arch/arm64/include/dwarf-regs-table.h b/tools/perf/arch/arm64/include/dwarf-regs-table.h
index 36e375f5a211..177b2855f797 100644
--- a/tools/perf/arch/arm64/include/dwarf-regs-table.h
+++ b/tools/perf/arch/arm64/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h
index 4e5af27e3fbf..baaa5e64a3fb 100644
--- a/tools/perf/arch/arm64/include/perf_regs.h
+++ b/tools/perf/arch/arm64/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_REGS_H
 #define ARCH_PERF_REGS_H
 
diff --git a/tools/perf/arch/arm64/tests/dwarf-unwind.c b/tools/perf/arch/arm64/tests/dwarf-unwind.c
index cf04a4c91c59..e907f0f4c20c 100644
--- a/tools/perf/arch/arm64/tests/dwarf-unwind.c
+++ b/tools/perf/arch/arm64/tests/dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "perf_regs.h"
 #include "thread.h"
diff --git a/tools/perf/arch/arm64/tests/regs_load.S b/tools/perf/arch/arm64/tests/regs_load.S
index 025b46e579a6..07042511dca9 100644
--- a/tools/perf/arch/arm64/tests/regs_load.S
+++ b/tools/perf/arch/arm64/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 .text
diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c
index b415dfdbccca..002520d4036b 100644
--- a/tools/perf/arch/arm64/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm64/util/unwind-libunwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 
 #ifndef REMOTE_UNWIND_LIBUNWIND
diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 6b40e9f01740..8c0cfeb55f8e 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <sys/utsname.h>
 #include "common.h"
diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h
index 6b01c736b7d9..a1546509ad24 100644
--- a/tools/perf/arch/common.h
+++ b/tools/perf/arch/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_COMMON_H
 #define ARCH_PERF_COMMON_H
 
diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile
index cc3930904d68..42dab7c8f508 100644
--- a/tools/perf/arch/powerpc/Makefile
+++ b/tools/perf/arch/powerpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef NO_DWARF
 PERF_HAVE_DWARF_REGS := 1
 endif
diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c
index 3c4004db81b9..b7bc04980fe8 100644
--- a/tools/perf/arch/powerpc/annotate/instructions.c
+++ b/tools/perf/arch/powerpc/annotate/instructions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, const char *name)
 {
 	int i;
diff --git a/tools/perf/arch/powerpc/include/arch-tests.h b/tools/perf/arch/powerpc/include/arch-tests.h
index 84d8dedef2ed..1c7be75cbc78 100644
--- a/tools/perf/arch/powerpc/include/arch-tests.h
+++ b/tools/perf/arch/powerpc/include/arch-tests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_TESTS_H
 #define ARCH_TESTS_H
 
diff --git a/tools/perf/arch/powerpc/include/dwarf-regs-table.h b/tools/perf/arch/powerpc/include/dwarf-regs-table.h
index db4730f5585c..66dc015a733d 100644
--- a/tools/perf/arch/powerpc/include/dwarf-regs-table.h
+++ b/tools/perf/arch/powerpc/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h
index c12f4e804f66..00e37b106913 100644
--- a/tools/perf/arch/powerpc/include/perf_regs.h
+++ b/tools/perf/arch/powerpc/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_REGS_H
 #define ARCH_PERF_REGS_H
 
diff --git a/tools/perf/arch/powerpc/tests/arch-tests.c b/tools/perf/arch/powerpc/tests/arch-tests.c
index e24f46241f40..8c3fbd4af817 100644
--- a/tools/perf/arch/powerpc/tests/arch-tests.c
+++ b/tools/perf/arch/powerpc/tests/arch-tests.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "tests/tests.h"
 #include "arch-tests.h"
diff --git a/tools/perf/arch/powerpc/tests/dwarf-unwind.c b/tools/perf/arch/powerpc/tests/dwarf-unwind.c
index 0bac3137ccbd..30cbbd6d5be0 100644
--- a/tools/perf/arch/powerpc/tests/dwarf-unwind.c
+++ b/tools/perf/arch/powerpc/tests/dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "perf_regs.h"
 #include "thread.h"
diff --git a/tools/perf/arch/powerpc/tests/regs_load.S b/tools/perf/arch/powerpc/tests/regs_load.S
index d76c9a32f327..36a20b0033f9 100644
--- a/tools/perf/arch/powerpc/tests/regs_load.S
+++ b/tools/perf/arch/powerpc/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 /* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */
diff --git a/tools/perf/arch/powerpc/util/book3s_hcalls.h b/tools/perf/arch/powerpc/util/book3s_hcalls.h
index 0dd6b7f2d44f..54cfa0530e86 100644
--- a/tools/perf/arch/powerpc/util/book3s_hcalls.h
+++ b/tools/perf/arch/powerpc/util/book3s_hcalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_BOOK3S_HV_HCALLS_H
 #define ARCH_PERF_BOOK3S_HV_HCALLS_H
 
diff --git a/tools/perf/arch/powerpc/util/book3s_hv_exits.h b/tools/perf/arch/powerpc/util/book3s_hv_exits.h
index e68ba2da8970..853b95d1e139 100644
--- a/tools/perf/arch/powerpc/util/book3s_hv_exits.h
+++ b/tools/perf/arch/powerpc/util/book3s_hv_exits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_BOOK3S_HV_EXITS_H
 #define ARCH_PERF_BOOK3S_HV_EXITS_H
 
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index 9aaa6f5a9347..7a4cf80c207a 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c
index 249723f0e6a9..596ad6aedaac 100644
--- a/tools/perf/arch/powerpc/util/kvm-stat.c
+++ b/tools/perf/arch/powerpc/util/kvm-stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include "util/kvm-stat.h"
 #include "util/parse-events.h"
diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c
index f860dc411f69..ec50939b0418 100644
--- a/tools/perf/arch/powerpc/util/perf_regs.c
+++ b/tools/perf/arch/powerpc/util/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <string.h>
 #include <regex.h>
diff --git a/tools/perf/arch/powerpc/util/unwind-libdw.c b/tools/perf/arch/powerpc/util/unwind-libdw.c
index 3a24b3c43273..7a1f05ef2fc0 100644
--- a/tools/perf/arch/powerpc/util/unwind-libdw.c
+++ b/tools/perf/arch/powerpc/util/unwind-libdw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elfutils/libdwfl.h>
 #include "../../util/unwind-libdw.h"
 #include "../../util/perf_regs.h"
diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c
index 745b4b1b8b21..c9a81673e8aa 100644
--- a/tools/perf/arch/s390/annotate/instructions.c
+++ b/tools/perf/arch/s390/annotate/instructions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *name)
 {
 	struct ins_ops *ops = NULL;
diff --git a/tools/perf/arch/s390/include/dwarf-regs-table.h b/tools/perf/arch/s390/include/dwarf-regs-table.h
index 9da74a933bd6..792d4c277225 100644
--- a/tools/perf/arch/s390/include/dwarf-regs-table.h
+++ b/tools/perf/arch/s390/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/s390/util/dwarf-regs.c b/tools/perf/arch/s390/util/dwarf-regs.c
index 0469df02ee62..0dff5b2ed1e5 100644
--- a/tools/perf/arch/s390/util/dwarf-regs.c
+++ b/tools/perf/arch/s390/util/dwarf-regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Mapping of DWARF debug register numbers into register names.
  *
diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c
index b9a95a1a8e69..0b2054007314 100644
--- a/tools/perf/arch/s390/util/machine.c
+++ b/tools/perf/arch/s390/util/machine.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/tools/perf/arch/sh/include/dwarf-regs-table.h b/tools/perf/arch/sh/include/dwarf-regs-table.h
index 3a2deaf3dab4..900e69619970 100644
--- a/tools/perf/arch/sh/include/dwarf-regs-table.h
+++ b/tools/perf/arch/sh/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/sparc/include/dwarf-regs-table.h b/tools/perf/arch/sparc/include/dwarf-regs-table.h
index 12c07619002c..35ede84a6b0d 100644
--- a/tools/perf/arch/sparc/include/dwarf-regs-table.h
+++ b/tools/perf/arch/sparc/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile
index 9a628a24c5c9..d74eaa7aa927 100644
--- a/tools/perf/arch/x86/Makefile
+++ b/tools/perf/arch/x86/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef NO_DWARF
 PERF_HAVE_DWARF_REGS := 1
 endif
diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
index d84b72063a30..4adfb4ce2864 100644
--- a/tools/perf/arch/x86/annotate/instructions.c
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static struct ins x86__instructions[] = {
 	{ .name = "add",	.ops = &mov_ops,  },
 	{ .name = "addl",	.ops = &mov_ops,  },
diff --git a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh
index 49a18b9ad9cf..029a72c20b19 100755
--- a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh
+++ b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 in="$1"
 arch="$2"
diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h
index 4e0b806a7a0f..9834fdc7c59e 100644
--- a/tools/perf/arch/x86/include/arch-tests.h
+++ b/tools/perf/arch/x86/include/arch-tests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_TESTS_H
 #define ARCH_TESTS_H
 
diff --git a/tools/perf/arch/x86/include/dwarf-regs-table.h b/tools/perf/arch/x86/include/dwarf-regs-table.h
index 9b5e5cbb4209..b9bd5dc9d4c0 100644
--- a/tools/perf/arch/x86/include/dwarf-regs-table.h
+++ b/tools/perf/arch/x86/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h
index 7df517acfef8..7f6d538f8a89 100644
--- a/tools/perf/arch/x86/include/perf_regs.h
+++ b/tools/perf/arch/x86/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ARCH_PERF_REGS_H
 #define ARCH_PERF_REGS_H
 
diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/tests/arch-tests.c
index 99d66191e56c..34a078136a47 100644
--- a/tools/perf/arch/x86/tests/arch-tests.c
+++ b/tools/perf/arch/x86/tests/arch-tests.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "tests/tests.h"
 #include "arch-tests.h"
diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c
index 7f209ce827bf..95036c7a59e8 100644
--- a/tools/perf/arch/x86/tests/dwarf-unwind.c
+++ b/tools/perf/arch/x86/tests/dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "perf_regs.h"
 #include "thread.h"
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-32.c b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
index 3cbf6fad169f..fab3c6de73fa 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-32.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk
  * from insn-x86-dat-src.c for inclusion by insn-x86.c
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-64.c b/tools/perf/arch/x86/tests/insn-x86-dat-64.c
index aa512fa944dd..c57f34603b9b 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk
  * from insn-x86-dat-src.c for inclusion by insn-x86.c
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-src.c b/tools/perf/arch/x86/tests/insn-x86-dat-src.c
index 6cdb65d25b79..891415b10984 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file contains instructions for testing by the test titled:
  *
diff --git a/tools/perf/arch/x86/tests/insn-x86.c b/tools/perf/arch/x86/tests/insn-x86.c
index b3860586a0c2..a5d24ae5810d 100644
--- a/tools/perf/arch/x86/tests/insn-x86.c
+++ b/tools/perf/arch/x86/tests/insn-x86.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 
 #include "debug.h"
diff --git a/tools/perf/arch/x86/tests/intel-cqm.c b/tools/perf/arch/x86/tests/intel-cqm.c
index 57f86b6e7d6f..90a4a8c58a62 100644
--- a/tools/perf/arch/x86/tests/intel-cqm.c
+++ b/tools/perf/arch/x86/tests/intel-cqm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tests/tests.h"
 #include "perf.h"
 #include "cloexec.h"
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
index 5dd7efb192ce..b59678e8c1e2 100644
--- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c
+++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <stdio.h>
diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c
index 17fec30a0b31..7a11f02d6c6c 100644
--- a/tools/perf/arch/x86/tests/rdpmc.c
+++ b/tools/perf/arch/x86/tests/rdpmc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <unistd.h>
 #include <stdlib.h>
diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S
index 60875d5c556c..bbe5a0d16e51 100644
--- a/tools/perf/arch/x86/tests/regs_load.S
+++ b/tools/perf/arch/x86/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>
 
 #define AX	 0
diff --git a/tools/perf/arch/x86/util/group.c b/tools/perf/arch/x86/util/group.c
index 37f92aa39a5d..e2f8034b8973 100644
--- a/tools/perf/arch/x86/util/group.c
+++ b/tools/perf/arch/x86/util/group.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include "api/fs/fs.h"
 #include "util/group.h"
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index a74a48db26f5..33027c5e6f92 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
index bf817beca0a8..b32409a0e546 100644
--- a/tools/perf/arch/x86/util/kvm-stat.c
+++ b/tools/perf/arch/x86/util/kvm-stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include "../../util/kvm-stat.h"
 #include <asm/svm.h>
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index f95edebfb716..4b2caf6d48e7 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <string.h>
 #include <regex.h>
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c
index 79fe07158d00..63a74c32ddc5 100644
--- a/tools/perf/arch/x86/util/pmu.c
+++ b/tools/perf/arch/x86/util/pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 
 #include <linux/perf_event.h>
diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
index 2e5567c94e09..06bae7023a51 100644
--- a/tools/perf/arch/x86/util/tsc.c
+++ b/tools/perf/arch/x86/util/tsc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdbool.h>
 #include <errno.h>
 
diff --git a/tools/perf/arch/x86/util/unwind-libdw.c b/tools/perf/arch/x86/util/unwind-libdw.c
index 38dc9bb2a7c9..fda8f4206ee4 100644
--- a/tools/perf/arch/x86/util/unwind-libdw.c
+++ b/tools/perf/arch/x86/util/unwind-libdw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elfutils/libdwfl.h>
 #include "../../util/unwind-libdw.h"
 #include "../../util/perf_regs.h"
diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c
index 4f16661cbdbb..9c917f80c906 100644
--- a/tools/perf/arch/x86/util/unwind-libunwind.c
+++ b/tools/perf/arch/x86/util/unwind-libunwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #ifndef REMOTE_UNWIND_LIBUNWIND
 #include <errno.h>
diff --git a/tools/perf/arch/xtensa/include/dwarf-regs-table.h b/tools/perf/arch/xtensa/include/dwarf-regs-table.h
index aa0444a33fe6..d7c9f1fb4444 100644
--- a/tools/perf/arch/xtensa/include/dwarf-regs-table.h
+++ b/tools/perf/arch/xtensa/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef DEFINE_DWARF_REGSTR_TABLE
 /* This is included in perf/util/dwarf-regs.c */
 
diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
index 842ab2781cdc..6c9fcd757f31 100644
--- a/tools/perf/bench/bench.h
+++ b/tools/perf/bench/bench.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BENCH_H
 #define BENCH_H
 
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index fe16b310097f..58ae6ed8f38b 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013  Davidlohr Bueso <davidlohr@hp.com>
  *
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 73a1c44ea63c..08653ae8a8c4 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015 Davidlohr Bueso.
  */
diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c
index 41786cbea24c..1058c194608a 100644
--- a/tools/perf/bench/futex-requeue.c
+++ b/tools/perf/bench/futex-requeue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013  Davidlohr Bueso <davidlohr@hp.com>
  *
diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c
index 4ab12c8e016a..b4732dad9f89 100644
--- a/tools/perf/bench/futex-wake-parallel.c
+++ b/tools/perf/bench/futex-wake-parallel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015 Davidlohr Bueso.
  *
diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c
index 2fa49222ef8d..8c5c0b6b5c97 100644
--- a/tools/perf/bench/futex-wake.c
+++ b/tools/perf/bench/futex-wake.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013  Davidlohr Bueso <davidlohr@hp.com>
  *
diff --git a/tools/perf/bench/futex.h b/tools/perf/bench/futex.h
index e44fd3239530..db4853f209c7 100644
--- a/tools/perf/bench/futex.h
+++ b/tools/perf/bench/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Glibc independent futex library for testing kernel functionality.
  * Shamelessly stolen from Darren Hart <dvhltc@us.ibm.com>
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index fbd732b54047..0251dd348124 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * mem-memcpy.c
  *
diff --git a/tools/perf/bench/mem-memcpy-arch.h b/tools/perf/bench/mem-memcpy-arch.h
index 5aad2a9408b0..5bcaec5601a8 100644
--- a/tools/perf/bench/mem-memcpy-arch.h
+++ b/tools/perf/bench/mem-memcpy-arch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifdef HAVE_ARCH_X86_64_SUPPORT
 
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
index 8c0c1a2770c8..50ae8bd58296 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 MEMCPY_FN(memcpy_orig,
 	"x86-64-unrolled",
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index f700369bb0f6..b43f8d2a34ec 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /* Various wrappers to make the kernel .S file build in user-space: */
 
diff --git a/tools/perf/bench/mem-memset-arch.h b/tools/perf/bench/mem-memset-arch.h
index 0d15786d9ae3..53f45482663f 100644
--- a/tools/perf/bench/mem-memset-arch.h
+++ b/tools/perf/bench/mem-memset-arch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifdef HAVE_ARCH_X86_64_SUPPORT
 
diff --git a/tools/perf/bench/mem-memset-x86-64-asm-def.h b/tools/perf/bench/mem-memset-x86-64-asm-def.h
index f02d028771d9..dac6d2b7c39b 100644
--- a/tools/perf/bench/mem-memset-x86-64-asm-def.h
+++ b/tools/perf/bench/mem-memset-x86-64-asm-def.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 MEMSET_FN(memset_orig,
 	"x86-64-unrolled",
diff --git a/tools/perf/bench/mem-memset-x86-64-asm.S b/tools/perf/bench/mem-memset-x86-64-asm.S
index 58407aa24c1b..d550bd526162 100644
--- a/tools/perf/bench/mem-memset-x86-64-asm.S
+++ b/tools/perf/bench/mem-memset-x86-64-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define memset MEMSET /* don't hide glibc's memset() */
 #define altinstr_replacement text
 #define globl p2align 4; .globl
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 469d65b21122..d95fdcc26f4b 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * numa.c
  *
diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index 4f961e74535b..f9d7641ae833 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  * sched-messaging.c
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index a152737370c5..0591be008f2a 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  * sched-pipe.c
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index c38373195c4a..3d32aa45016d 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-annotate.c
  *
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 445e62881254..17a6bcd01aa6 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-bench.c
  *
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index e3eb6240ced0..5f53a7ad5ef3 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-buildid-cache.c
  *
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index fdaca16e0c74..ec2f327cd79d 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-buildid-list.c
  *
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 475999e48f66..fd32ad08c6d4 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This is rewrite of original c2c tool introduced in here:
  *   http://lwn.net/Articles/588866/
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index a1d82e33282c..abfa49eaf7fd 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-config.c
  *
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c
index 46cd8490baf4..dde25d4ca56d 100644
--- a/tools/perf/builtin-data.c
+++ b/tools/perf/builtin-data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include "builtin.h"
 #include "perf.h"
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 0cd4cf6a344b..56223bdfa205 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-diff.c
  *
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c
index 6d210e40d611..cdd145613f60 100644
--- a/tools/perf/builtin-evlist.c
+++ b/tools/perf/builtin-evlist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Builtin evlist command: Show the list of event selectors present
  * in a perf.data file.
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index dbe4e4153bcf..bd1fedef3d1c 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-help.c
  *
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 2b8032908fb2..3e0e73b0dc67 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-inject.c
  *
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 24ee68ecdd42..35d4b9c9a9e8 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 #include "perf.h"
 
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index f309c3773522..5fb40368d5d1 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 #include "perf.h"
 
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 4bf2cb4d25aa..eeedbe433776 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-list.c
  *
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index ff98652484a7..fe69cd6b89e1 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include "builtin.h"
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 0f15634ef82c..4db960085273 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 56f8142ff97f..0c95ffefb6cc 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-record.c
  *
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index f9dff652dcbd..fae4b0340750 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-report.c
  *
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 322b4def8411..f380d91ee609 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 #include "perf.h"
 
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 0c977b6e0f8b..0fe02758de7d 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 
 #include "perf.h"
diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index d25149456a2f..37019c5d675f 100644
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 #include "perf.h"
 #include <linux/compiler.h>
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index d4d19fe3d050..05745f3ce912 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BUILTIN_H
 #define BUILTIN_H
 
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 932fda54b8a6..50cd6228f506 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 HEADERS='
 include/uapi/drm/drm.h
diff --git a/tools/perf/jvmti/jvmti_agent.h b/tools/perf/jvmti/jvmti_agent.h
index c53a41f48b63..fe32d8344a82 100644
--- a/tools/perf/jvmti/jvmti_agent.h
+++ b/tools/perf/jvmti/jvmti_agent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __JVMTI_AGENT_H__
 #define __JVMTI_AGENT_H__
 
diff --git a/tools/perf/jvmti/libjvmti.c b/tools/perf/jvmti/libjvmti.c
index 6d710904c837..c62c9fc9a525 100644
--- a/tools/perf/jvmti/libjvmti.c
+++ b/tools/perf/jvmti/libjvmti.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <sys/types.h>
 #include <stdio.h>
diff --git a/tools/perf/perf-archive.sh b/tools/perf/perf-archive.sh
index e91930620269..0cfb3e2cefef 100644
--- a/tools/perf/perf-archive.sh
+++ b/tools/perf/perf-archive.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # perf archive
 # Arnaldo Carvalho de Melo <acme@redhat.com>
 
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 3ba80b2359cc..345f5d6e9ed5 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -1,4 +1,5 @@
 # perf bash and zsh completion
+# SPDX-License-Identifier: GPL-2.0
 
 # Taken from git.git's completion script.
 __my_reassemble_comp_words_by_ref()
diff --git a/tools/perf/perf-read-vdso.c b/tools/perf/perf-read-vdso.c
index 764e2547c25a..8c0ca0cc428f 100644
--- a/tools/perf/perf-read-vdso.c
+++ b/tools/perf/perf-read-vdso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <string.h>
 
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index c11f0c76e90c..36673f98d66b 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_SYS_H
 #define _PERF_SYS_H
 
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 2f19e03c5c40..62b13518bc6e 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * perf.c
  *
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index dc442ba21bf6..f75f3dec7485 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_PERF_H
 #define _PERF_PERF_H
 
diff --git a/tools/perf/pmu-events/jevents.h b/tools/perf/pmu-events/jevents.h
index 611fac01913d..d87efd2685b8 100644
--- a/tools/perf/pmu-events/jevents.h
+++ b/tools/perf/pmu-events/jevents.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef JEVENTS_H
 #define JEVENTS_H 1
 
diff --git a/tools/perf/pmu-events/jsmn.h b/tools/perf/pmu-events/jsmn.h
index d666b10cf25b..c7b0f6ea2a31 100644
--- a/tools/perf/pmu-events/jsmn.h
+++ b/tools/perf/pmu-events/jsmn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __JSMN_H_
 #define __JSMN_H_
 
diff --git a/tools/perf/pmu-events/json.h b/tools/perf/pmu-events/json.h
index 278ebd32cfb6..fbcd5a0590ad 100644
--- a/tools/perf/pmu-events/json.h
+++ b/tools/perf/pmu-events/json.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef JSON_H
 #define JSON_H 1
 
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index 569eab3688dd..e08789ddfe6c 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PMU_EVENTS_H
 #define PMU_EVENTS_H
 
diff --git a/tools/perf/python/tracepoint.py b/tools/perf/python/tracepoint.py
index eb4dbed57de7..eb76f6516247 100755
--- a/tools/perf/python/tracepoint.py
+++ b/tools/perf/python/tracepoint.py
@@ -1,4 +1,5 @@
 #! /usr/bin/python
+# SPDX-License-Identifier: GPL-2.0
 # -*- python -*-
 # -*- coding: utf-8 -*-
 
diff --git a/tools/perf/scripts/perl/Perf-Trace-Util/Makefile.PL b/tools/perf/scripts/perl/Perf-Trace-Util/Makefile.PL
index decdeb0f6789..e8994332d7dc 100644
--- a/tools/perf/scripts/perl/Perf-Trace-Util/Makefile.PL
+++ b/tools/perf/scripts/perl/Perf-Trace-Util/Makefile.PL
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 use 5.010000;
 use ExtUtils::MakeMaker;
 # See lib/ExtUtils/MakeMaker.pm for details of how to influence
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py
index 9e0985794e20..81a56cd2b3c1 100755
--- a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py
@@ -1,4 +1,5 @@
 # EventClass.py
+# SPDX-License-Identifier: GPL-2.0
 #
 # This is a library defining some events types classes, which could
 # be used by other scripts to analyzing the perf samples.
diff --git a/tools/perf/scripts/python/event_analyzing_sample.py b/tools/perf/scripts/python/event_analyzing_sample.py
index 163c39fa12d9..4e843b9864ec 100644
--- a/tools/perf/scripts/python/event_analyzing_sample.py
+++ b/tools/perf/scripts/python/event_analyzing_sample.py
@@ -1,4 +1,5 @@
 # event_analyzing_sample.py: general event handler in python
+# SPDX-License-Identifier: GPL-2.0
 #
 # Current perf report is already very powerful with the annotation integrated,
 # and this script is not trying to be as powerful as perf report, but
diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py
index 0b6ce8c253e8..a150164b44a3 100755
--- a/tools/perf/scripts/python/net_dropmonitor.py
+++ b/tools/perf/scripts/python/net_dropmonitor.py
@@ -1,4 +1,5 @@
 # Monitor the system for dropped packets and proudce a report of drop locations and counts
+# SPDX-License-Identifier: GPL-2.0
 
 import os
 import sys
diff --git a/tools/perf/scripts/python/netdev-times.py b/tools/perf/scripts/python/netdev-times.py
index 4c6f09ac7d12..9b2050f778f1 100644
--- a/tools/perf/scripts/python/netdev-times.py
+++ b/tools/perf/scripts/python/netdev-times.py
@@ -1,4 +1,5 @@
 # Display a process of packets and processed time.
+# SPDX-License-Identifier: GPL-2.0
 # It helps us to investigate networking or network device.
 #
 # options
diff --git a/tools/perf/scripts/python/stackcollapse.py b/tools/perf/scripts/python/stackcollapse.py
index 5a605f70ef32..1697b5e18c96 100755
--- a/tools/perf/scripts/python/stackcollapse.py
+++ b/tools/perf/scripts/python/stackcollapse.py
@@ -1,4 +1,5 @@
 # stackcollapse.py - format perf samples with one line per distinct call stack
+# SPDX-License-Identifier: GPL-2.0
 #
 # This script's output has two space-separated fields.  The first is a semicolon
 # separated stack including the program name (from the "comm" field) and the
diff --git a/tools/perf/scripts/python/stat-cpi.py b/tools/perf/scripts/python/stat-cpi.py
index 8b60f343dd07..8410672efb8b 100644
--- a/tools/perf/scripts/python/stat-cpi.py
+++ b/tools/perf/scripts/python/stat-cpi.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# SPDX-License-Identifier: GPL-2.0
 
 data    = {}
 times   = []
diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index c9aafed7da15..c180bbcdbef6 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The struct perf_event_attr test support.
  *
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index 6bb50e82a3e3..907b1b2f56ad 100644
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -1,4 +1,5 @@
 #! /usr/bin/python
+# SPDX-License-Identifier: GPL-2.0
 
 import os
 import sys
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index d233ad336463..71b9a0b613d2 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Test backward bit in event attribute, read ring buffer from end to
  * beginning
diff --git a/tools/perf/tests/bitmap.c b/tools/perf/tests/bitmap.c
index 0d7c06584905..47bedf25ba69 100644
--- a/tools/perf/tests/bitmap.c
+++ b/tools/perf/tests/bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/bitmap.h>
 #include "tests.h"
diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c
index 97937e1bc53a..335b695f4970 100644
--- a/tools/perf/tests/bp_signal.c
+++ b/tools/perf/tests/bp_signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Inspired by breakpoint overflow test done by
  * Vince Weaver <vincent.weaver@maine.edu> for perf_event_tests
diff --git a/tools/perf/tests/bp_signal_overflow.c b/tools/perf/tests/bp_signal_overflow.c
index 61ecd8021f49..ca962559e845 100644
--- a/tools/perf/tests/bp_signal_overflow.c
+++ b/tools/perf/tests/bp_signal_overflow.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Originally done by Vince Weaver <vincent.weaver@maine.edu> for
  * perf_event_tests (git://github.com/deater/perf_event_tests)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 377bea009163..53d06f37406a 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * builtin-test.c
  *
diff --git a/tools/perf/tests/clang.c b/tools/perf/tests/clang.c
index c60ec916f0f2..f45fe11dcf50 100644
--- a/tools/perf/tests/clang.c
+++ b/tools/perf/tests/clang.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tests.h"
 #include "debug.h"
 #include "util.h"
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 466a462b26d1..fcc8984bc329 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
index 199702252270..e78b897677bd 100644
--- a/tools/perf/tests/cpumap.c
+++ b/tools/perf/tests/cpumap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tests.h"
 #include <stdio.h>
 #include "cpumap.h"
diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c
index 30aead42d136..7f6c52021e41 100644
--- a/tools/perf/tests/dso-data.c
+++ b/tools/perf/tests/dso-data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <stdlib.h>
 #include <linux/kernel.h>
diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
index 9ba1d216a89f..ac40e05bcab4 100644
--- a/tools/perf/tests/dwarf-unwind.c
+++ b/tools/perf/tests/dwarf-unwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <inttypes.h>
diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c
index b82b981c3259..1a2686f1fcf0 100644
--- a/tools/perf/tests/event-times.c
+++ b/tools/perf/tests/event-times.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <errno.h>
 #include <inttypes.h>
diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c
index 9484da2ec6b4..f14dcd613438 100644
--- a/tools/perf/tests/event_update.c
+++ b/tools/perf/tests/event_update.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include "evlist.h"
 #include "evsel.h"
diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
index d32759b6e38a..a104728ebf25 100644
--- a/tools/perf/tests/evsel-roundtrip-name.c
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "evlist.h"
 #include "evsel.h"
 #include "parse-events.h"
diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c
index 5fc906d26c5c..699561fa512c 100644
--- a/tools/perf/tests/evsel-tp-sched.c
+++ b/tools/perf/tests/evsel-tp-sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <traceevent/event-parse.h>
 #include "evsel.h"
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index cb251bf523e7..01f0706995a9 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util/debug.h"
 #include "util/expr.h"
 #include "tests.h"
diff --git a/tools/perf/tests/fdarray.c b/tools/perf/tests/fdarray.c
index 7d3a9e2ff897..c7c81c4a5b2b 100644
--- a/tools/perf/tests/fdarray.c
+++ b/tools/perf/tests/fdarray.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <api/fd/array.h>
 #include <poll.h>
 #include "util/debug.h"
diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c
index 00b8dc50f3db..f7c5b613d667 100644
--- a/tools/perf/tests/hists_common.c
+++ b/tools/perf/tests/hists_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include "perf.h"
 #include "util/debug.h"
diff --git a/tools/perf/tests/hists_common.h b/tools/perf/tests/hists_common.h
index 888254e8665c..a2de0ff0ce3a 100644
--- a/tools/perf/tests/hists_common.h
+++ b/tools/perf/tests/hists_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_TESTS__HISTS_COMMON_H__
 #define __PERF_TESTS__HISTS_COMMON_H__
 
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 8d19c0200cb7..65fe02bebbee 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "util/debug.h"
 #include "util/event.h"
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 755ca551b810..1c5bedab3c2c 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "util/debug.h"
 #include "util/symbol.h"
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index 073c9c2856bc..9a9d06cb0222 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "tests.h"
 #include "debug.h"
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index 282d62eaebe2..faacb4f41460 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "util/debug.h"
 #include "util/event.h"
diff --git a/tools/perf/tests/is_printable_array.c b/tools/perf/tests/is_printable_array.c
index 38f765767587..9c7b3baca4fe 100644
--- a/tools/perf/tests/is_printable_array.c
+++ b/tools/perf/tests/is_printable_array.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include "tests.h"
diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c
index 739428603b71..842d33637a18 100644
--- a/tools/perf/tests/keep-tracking.c
+++ b/tools/perf/tests/keep-tracking.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <unistd.h>
 #include <sys/prctl.h>
diff --git a/tools/perf/tests/kmod-path.c b/tools/perf/tests/kmod-path.c
index 8b9d4ba06c0e..8e57d46109de 100644
--- a/tools/perf/tests/kmod-path.c
+++ b/tools/perf/tests/kmod-path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdbool.h>
 #include <stdlib.h>
 #include "tests.h"
diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c
index 5187b50dbafe..a039f93199e5 100644
--- a/tools/perf/tests/llvm.c
+++ b/tools/perf/tests/llvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <bpf/libbpf.h>
 #include <util/llvm-utils.h>
diff --git a/tools/perf/tests/llvm.h b/tools/perf/tests/llvm.h
index b83571758d83..f68b0d9b8ae2 100644
--- a/tools/perf/tests/llvm.h
+++ b/tools/perf/tests/llvm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_TEST_LLVM_H
 #define PERF_TEST_LLVM_H
 
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index bc8a70ee46d8..5a8bf318f8a7 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 /* For the CLR_() macros */
diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c
index f94a4196e7c9..3c3f3e029e33 100644
--- a/tools/perf/tests/mmap-thread-lookup.c
+++ b/tools/perf/tests/mmap-thread-lookup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <unistd.h>
 #include <sys/syscall.h>
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index 9cf1c35f2ad0..c531e6deb104 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 /* For the CPU_* macros */
diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c
index b6ee1c41f45d..d9619d265314 100644
--- a/tools/perf/tests/openat-syscall-tp-fields.c
+++ b/tools/perf/tests/openat-syscall-tp-fields.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include "perf.h"
 #include "evlist.h"
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index 9dc5c5d37553..00cd63f90b92 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <api/fs/tracing_path.h>
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 0f0b025faa4b..f0679613bd18 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "parse-events.h"
 #include "evsel.h"
 #include "evlist.h"
diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c
index 91867dcc39f0..2196d1497c0c 100644
--- a/tools/perf/tests/parse-no-sample-id-all.c
+++ b/tools/perf/tests/parse-no-sample-id-all.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <stddef.h>
diff --git a/tools/perf/tests/perf-hooks.c b/tools/perf/tests/perf-hooks.c
index bf2517d6de70..a693bcf017ea 100644
--- a/tools/perf/tests/perf-hooks.c
+++ b/tools/perf/tests/perf-hooks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <signal.h>
 #include <stdlib.h>
 
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 19b650064b70..c34904d37705 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 /* For the CLR_() macros */
diff --git a/tools/perf/tests/perf-targz-src-pkg b/tools/perf/tests/perf-targz-src-pkg
index f2d9c5fe58e0..fae26b1cf08f 100755
--- a/tools/perf/tests/perf-targz-src-pkg
+++ b/tools/perf/tests/perf-targz-src-pkg
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Test one of the main kernel Makefile targets to generate a perf sources tarball
 # suitable for build outside the full kernel sources.
 #
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 9f7f589f9c54..9abca267afa9 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "parse-events.h"
 #include "pmu.h"
 #include "util.h"
diff --git a/tools/perf/tests/python-use.c b/tools/perf/tests/python-use.c
index 598a7e058ad4..5d2df65ada6a 100644
--- a/tools/perf/tests/python-use.c
+++ b/tools/perf/tests/python-use.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Just test if we can load the python binding.
  */
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index c3858487159d..3ec6302b6498 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdbool.h>
 #include <inttypes.h>
 #include <linux/kernel.h>
diff --git a/tools/perf/tests/sdt.c b/tools/perf/tests/sdt.c
index a9903d9b8bc2..5059452d27dd 100644
--- a/tools/perf/tests/sdt.c
+++ b/tools/perf/tests/sdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <stdio.h>
 #include <sys/epoll.h>
diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c
index 7f988a939036..94250024684a 100644
--- a/tools/perf/tests/stat.c
+++ b/tools/perf/tests/stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include "event.h"
 #include "tests.h"
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
index d88511f6072c..725a196991a8 100644
--- a/tools/perf/tests/sw-clock.c
+++ b/tools/perf/tests/sw-clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <unistd.h>
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 2acd78555192..7d3f4bf9534f 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/time.h>
 #include <sys/prctl.h>
 #include <errno.h>
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index f0881d0dd9c9..bc4a7344e274 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "evlist.h"
 #include "evsel.h"
 #include "thread_map.h"
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 921412a6a880..2862b80bc288 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef TESTS_H
 #define TESTS_H
 
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index b3423c744f46..dbcb6a19b375 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <sys/types.h>
 #include <unistd.h>
diff --git a/tools/perf/tests/thread-mg-share.c b/tools/perf/tests/thread-mg-share.c
index b9c7f58db6c4..b1d1bbafe7ae 100644
--- a/tools/perf/tests/thread-mg-share.c
+++ b/tools/perf/tests/thread-mg-share.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "tests.h"
 #include "machine.h"
 #include "thread.h"
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 19b0561fd6f6..a59db7c45a65 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tools/perf/tests/unit_number__scnprintf.c b/tools/perf/tests/unit_number__scnprintf.c
index 15cd1cf8c129..2bb8cb0039c1 100644
--- a/tools/perf/tests/unit_number__scnprintf.c
+++ b/tools/perf/tests/unit_number__scnprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index 86cb8868f67f..f6789fb029d6 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/rbtree.h>
 #include <inttypes.h>
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index 4b58581a6053..d80655cd1881 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_TRACE_BEAUTY_H
 #define _PERF_TRACE_BEAUTY_H
 
diff --git a/tools/perf/trace/beauty/eventfd.c b/tools/perf/trace/beauty/eventfd.c
index b08f21eb6f4d..5d6a477a6400 100644
--- a/tools/perf/trace/beauty/eventfd.c
+++ b/tools/perf/trace/beauty/eventfd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef EFD_SEMAPHORE
 #define EFD_SEMAPHORE		1
 #endif
diff --git a/tools/perf/trace/beauty/flock.c b/tools/perf/trace/beauty/flock.c
index 74613703a14e..f9707f57566c 100644
--- a/tools/perf/trace/beauty/flock.c
+++ b/tools/perf/trace/beauty/flock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <fcntl.h>
 
 #ifndef LOCK_MAND
diff --git a/tools/perf/trace/beauty/futex_op.c b/tools/perf/trace/beauty/futex_op.c
index bfd3359b09b6..61850fbc85ff 100644
--- a/tools/perf/trace/beauty/futex_op.c
+++ b/tools/perf/trace/beauty/futex_op.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/futex.h>
 
 #ifndef FUTEX_WAIT_BITSET
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c
index 754558f9009d..51f1cea406f5 100644
--- a/tools/perf/trace/beauty/mmap.c
+++ b/tools/perf/trace/beauty/mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <uapi/linux/mman.h>
 
 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
diff --git a/tools/perf/trace/beauty/mode_t.c b/tools/perf/trace/beauty/mode_t.c
index 930d8fef2400..d929ad7dd97b 100644
--- a/tools/perf/trace/beauty/mode_t.c
+++ b/tools/perf/trace/beauty/mode_t.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
diff --git a/tools/perf/trace/beauty/msg_flags.c b/tools/perf/trace/beauty/msg_flags.c
index 1106c8960cc4..c064d6aae659 100644
--- a/tools/perf/trace/beauty/msg_flags.c
+++ b/tools/perf/trace/beauty/msg_flags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/socket.h>
 
diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c
index e359e041dc0e..6aec6178a99d 100644
--- a/tools/perf/trace/beauty/open_flags.c
+++ b/tools/perf/trace/beauty/open_flags.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
diff --git a/tools/perf/trace/beauty/perf_event_open.c b/tools/perf/trace/beauty/perf_event_open.c
index 311f09dd718d..2bafd7c995ff 100644
--- a/tools/perf/trace/beauty/perf_event_open.c
+++ b/tools/perf/trace/beauty/perf_event_open.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef PERF_FLAG_FD_NO_GROUP
 # define PERF_FLAG_FD_NO_GROUP		(1UL << 0)
 #endif
diff --git a/tools/perf/trace/beauty/pid.c b/tools/perf/trace/beauty/pid.c
index b6d419e16dcf..0313df342830 100644
--- a/tools/perf/trace/beauty/pid.c
+++ b/tools/perf/trace/beauty/pid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
 {
 	int pid = arg->val;
diff --git a/tools/perf/trace/beauty/sched_policy.c b/tools/perf/trace/beauty/sched_policy.c
index 34775295b9b3..ba5096ae76b6 100644
--- a/tools/perf/trace/beauty/sched_policy.c
+++ b/tools/perf/trace/beauty/sched_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sched.h>
 
 /*
diff --git a/tools/perf/trace/beauty/seccomp.c b/tools/perf/trace/beauty/seccomp.c
index 356441bce27d..b7097fd5fed9 100644
--- a/tools/perf/trace/beauty/seccomp.c
+++ b/tools/perf/trace/beauty/seccomp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #ifndef SECCOMP_SET_MODE_STRICT
 #define SECCOMP_SET_MODE_STRICT 0
 #endif
diff --git a/tools/perf/trace/beauty/signum.c b/tools/perf/trace/beauty/signum.c
index fde8f2fc6558..bde18a53f090 100644
--- a/tools/perf/trace/beauty/signum.c
+++ b/tools/perf/trace/beauty/signum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <signal.h>
 
 static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
diff --git a/tools/perf/trace/beauty/socket_type.c b/tools/perf/trace/beauty/socket_type.c
index 0a5ce818131c..bca26aef4a77 100644
--- a/tools/perf/trace/beauty/socket_type.c
+++ b/tools/perf/trace/beauty/socket_type.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/socket.h>
 
diff --git a/tools/perf/trace/beauty/waitid_options.c b/tools/perf/trace/beauty/waitid_options.c
index 7942724adec8..8465281a093d 100644
--- a/tools/perf/trace/beauty/waitid_options.c
+++ b/tools/perf/trace/beauty/waitid_options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/wait.h>
 
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index d0c2007c307b..63399af3049f 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../util.h"
 #include "../string2.h"
 #include "../config.h"
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index a12eff75638b..03e1734412b9 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_BROWSER_H_
 #define _PERF_UI_BROWSER_H_ 1
 
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 786fecaf578e..8f7f59d1a2b5 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../../util/util.h"
 #include "../browser.h"
 #include "../helpline.h"
diff --git a/tools/perf/ui/browsers/header.c b/tools/perf/ui/browsers/header.c
index e2c9390ff4c5..d75492189acb 100644
--- a/tools/perf/ui/browsers/header.c
+++ b/tools/perf/ui/browsers/header.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util/cache.h"
 #include "util/debug.h"
 #include "ui/browser.h"
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 13dfb0a0bdeb..628ad5f7eddb 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h
index 23d6acb84800..ba431777f559 100644
--- a/tools/perf/ui/browsers/hists.h
+++ b/tools/perf/ui/browsers/hists.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_BROWSER_HISTS_H_
 #define _PERF_UI_BROWSER_HISTS_H_ 1
 
diff --git a/tools/perf/ui/browsers/map.c b/tools/perf/ui/browsers/map.c
index ffa5addf631d..e03fa75f108a 100644
--- a/tools/perf/ui/browsers/map.c
+++ b/tools/perf/ui/browsers/map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elf.h>
 #include <inttypes.h>
 #include <sys/ttydefaults.h>
diff --git a/tools/perf/ui/browsers/map.h b/tools/perf/ui/browsers/map.h
index 2d58e4b3eb6f..0ed7dbb3a373 100644
--- a/tools/perf/ui/browsers/map.h
+++ b/tools/perf/ui/browsers/map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_MAP_BROWSER_H_
 #define _PERF_UI_MAP_BROWSER_H_ 1
 struct map;
diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index ad6b6ee3770e..90a32ac69e76 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elf.h>
 #include <inttypes.h>
 #include <sys/ttydefaults.h>
diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index 02176193f427..fc7a2e105bfd 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "gtk.h"
 #include "util/debug.h"
 #include "util/annotate.h"
diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index c24d91221290..4820e25ac68d 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../evlist.h"
 #include "../cache.h"
 #include "../evsel.h"
diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h
index 0a9173ff9a61..9846ea5c831b 100644
--- a/tools/perf/ui/gtk/gtk.h
+++ b/tools/perf/ui/gtk/gtk.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_GTK_H_
 #define _PERF_GTK_H_ 1
 
diff --git a/tools/perf/ui/gtk/helpline.c b/tools/perf/ui/gtk/helpline.c
index 3388cbd12186..fbf1ea9ce9a2 100644
--- a/tools/perf/ui/gtk/helpline.c
+++ b/tools/perf/ui/gtk/helpline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <string.h>
 
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index e24f83957705..24e1ec201ffd 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../evlist.h"
 #include "../cache.h"
 #include "../evsel.h"
diff --git a/tools/perf/ui/gtk/progress.c b/tools/perf/ui/gtk/progress.c
index b656655fbc39..b6ad8857da78 100644
--- a/tools/perf/ui/gtk/progress.c
+++ b/tools/perf/ui/gtk/progress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 
 #include "gtk.h"
diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c
index 1d57676f8212..506e73b3834c 100644
--- a/tools/perf/ui/gtk/setup.c
+++ b/tools/perf/ui/gtk/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "gtk.h"
 #include "../../util/cache.h"
 #include "../../util/debug.h"
diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c
index 00b91921edb1..7250d8101c8f 100644
--- a/tools/perf/ui/gtk/util.c
+++ b/tools/perf/ui/gtk/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../util.h"
 #include "../../util/util.h"
 #include "../../util/debug.h"
diff --git a/tools/perf/ui/helpline.c b/tools/perf/ui/helpline.c
index 379039ab00d8..b3c421429ed4 100644
--- a/tools/perf/ui/helpline.c
+++ b/tools/perf/ui/helpline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/perf/ui/helpline.h b/tools/perf/ui/helpline.h
index d52d0a1a881b..8f775a053ca3 100644
--- a/tools/perf/ui/helpline.h
+++ b/tools/perf/ui/helpline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_HELPLINE_H_
 #define _PERF_UI_HELPLINE_H_ 1
 
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index db79017a6e56..706f6f1e9c7d 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <math.h>
 #include <linux/compiler.h>
diff --git a/tools/perf/ui/keysyms.h b/tools/perf/ui/keysyms.h
index 65092d576b4e..fbfac29077f2 100644
--- a/tools/perf/ui/keysyms.h
+++ b/tools/perf/ui/keysyms.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_KEYSYMS_H_
 #define _PERF_KEYSYMS_H_ 1
 
diff --git a/tools/perf/ui/libslang.h b/tools/perf/ui/libslang.h
index db816695ad97..c0686cda39a5 100644
--- a/tools/perf/ui/libslang.h
+++ b/tools/perf/ui/libslang.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_SLANG_H_
 #define _PERF_UI_SLANG_H_ 1
 /*
diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c
index ae91c8148edf..b5a5df14d702 100644
--- a/tools/perf/ui/progress.c
+++ b/tools/perf/ui/progress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include "../cache.h"
 #include "progress.h"
diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h
index 717d39d3052b..594bbe6935dd 100644
--- a/tools/perf/ui/progress.h
+++ b/tools/perf/ui/progress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_PROGRESS_H_
 #define _PERF_UI_PROGRESS_H_ 1
 
diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c
index caf1ce6f5152..44fe824e96cd 100644
--- a/tools/perf/ui/setup.c
+++ b/tools/perf/ui/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <pthread.h>
 #include <dlfcn.h>
 
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 8bdb7a500181..de2810ae16be 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <linux/string.h>
 
diff --git a/tools/perf/ui/tui/helpline.c b/tools/perf/ui/tui/helpline.c
index 88f5143a5981..4ca799aadb4e 100644
--- a/tools/perf/ui/tui/helpline.c
+++ b/tools/perf/ui/tui/helpline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c
index c4b99008e2c9..236bcb620ae4 100644
--- a/tools/perf/ui/tui/progress.c
+++ b/tools/perf/ui/tui/progress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../cache.h"
 #include "../progress.h"
 #include "../libslang.h"
diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index d9350a1da48b..d4ac41679721 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <signal.h>
 #include <stdbool.h>
diff --git a/tools/perf/ui/tui/tui.h b/tools/perf/ui/tui/tui.h
index 18961c7b6ec5..8de06f634c56 100644
--- a/tools/perf/ui/tui/tui.h
+++ b/tools/perf/ui/tui/tui.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_TUI_H_
 #define _PERF_TUI_H_ 1
 
diff --git a/tools/perf/ui/tui/util.c b/tools/perf/ui/tui/util.c
index d96ad7c8325d..b9794d6185af 100644
--- a/tools/perf/ui/tui/util.c
+++ b/tools/perf/ui/tui/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../../util/util.h"
 #include <signal.h>
 #include <stdbool.h>
diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h
index 4b6fb6c7a542..9b6fdf06e1d2 100644
--- a/tools/perf/ui/ui.h
+++ b/tools/perf/ui/ui.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_H_
 #define _PERF_UI_H_ 1
 
diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c
index e3e0a963d03a..63bf06e80ab9 100644
--- a/tools/perf/ui/util.c
+++ b/tools/perf/ui/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util.h"
 #include "../debug.h"
 
diff --git a/tools/perf/ui/util.h b/tools/perf/ui/util.h
index 361f08c52d37..5e44223b56fa 100644
--- a/tools/perf/ui/util.h
+++ b/tools/perf/ui/util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UI_UTIL_H_
 #define _PERF_UI_UTIL_H_ 1
 
diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN
index 39f17507578d..3802cee5e188 100755
--- a/tools/perf/util/PERF-VERSION-GEN
+++ b/tools/perf/util/PERF-VERSION-GEN
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if [ $# -eq 1 ]  ; then
 	OUTPUT=$1
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 9ce575c25fd9..f6ba3560de5e 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_ANNOTATE_H
 #define __PERF_ANNOTATE_H
 
diff --git a/tools/perf/util/block-range.c b/tools/perf/util/block-range.c
index 7b3e1d75d803..f1451c987eec 100644
--- a/tools/perf/util/block-range.c
+++ b/tools/perf/util/block-range.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "block-range.h"
 #include "annotate.h"
 
diff --git a/tools/perf/util/block-range.h b/tools/perf/util/block-range.h
index a8c841381131..a5ba719d69fb 100644
--- a/tools/perf/util/block-range.h
+++ b/tools/perf/util/block-range.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_BLOCK_RANGE_H
 #define __PERF_BLOCK_RANGE_H
 
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 4a1264c66101..72c107fcbc5a 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bpf-loader.c
  *
diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h
index 48863867878b..5d3aefd6fae7 100644
--- a/tools/perf/util/bpf-loader.h
+++ b/tools/perf/util/bpf-loader.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
  * Copyright (C) 2015, Huawei Inc.
diff --git a/tools/perf/util/bpf-prologue.c b/tools/perf/util/bpf-prologue.c
index 827f9140f3b8..29347756b0af 100644
--- a/tools/perf/util/bpf-prologue.c
+++ b/tools/perf/util/bpf-prologue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * bpf-prologue.c
  *
diff --git a/tools/perf/util/bpf-prologue.h b/tools/perf/util/bpf-prologue.h
index ba564838375f..c50c7358009f 100644
--- a/tools/perf/util/bpf-prologue.h
+++ b/tools/perf/util/bpf-prologue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2015, He Kuang <hekuang@huawei.com>
  * Copyright (C) 2015, Huawei Inc.
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index c1a06fcd7e70..7f8553630c4d 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * build-id.c
  *
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index c94b0dcbfd74..f0c565164a97 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_BUILD_ID_H_
 #define PERF_BUILD_ID_H_ 1
 
diff --git a/tools/perf/util/c++/clang-c.h b/tools/perf/util/c++/clang-c.h
index ccafcf72b37a..e513366f2ee0 100644
--- a/tools/perf/util/c++/clang-c.h
+++ b/tools/perf/util/c++/clang-c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_UTIL_CLANG_C_H
 #define PERF_UTIL_CLANG_C_H
 
diff --git a/tools/perf/util/c++/clang-test.cpp b/tools/perf/util/c++/clang-test.cpp
index 9b11e8c82798..a4014d786676 100644
--- a/tools/perf/util/c++/clang-test.cpp
+++ b/tools/perf/util/c++/clang-test.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "clang.h"
 #include "clang-c.h"
 #include "llvm/IR/Function.h"
diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp
index 1e974152cac2..1bfc946e37dc 100644
--- a/tools/perf/util/c++/clang.cpp
+++ b/tools/perf/util/c++/clang.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * llvm C frontend for perf. Support dynamically compile C file
  *
diff --git a/tools/perf/util/c++/clang.h b/tools/perf/util/c++/clang.h
index dd8b0427550d..6ce33e22f23c 100644
--- a/tools/perf/util/c++/clang.h
+++ b/tools/perf/util/c++/clang.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_UTIL_CLANG_H
 #define PERF_UTIL_CLANG_H
 
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 0175765c05b9..9f2e36ef5072 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_CACHE_H
 #define __PERF_CACHE_H
 
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index a971caf3759d..6031933d811c 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2009-2011, Frederic Weisbecker <fweisbec@gmail.com>
  *
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 1ed6fc61d0a5..f967aa47d0a1 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_CALLCHAIN_H
 #define __PERF_CALLCHAIN_H
 
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 0e77bc9e5f3c..d9ffc1e6eb39 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util.h"
 #include "../perf.h"
 #include <subcmd/parse-options.h>
diff --git a/tools/perf/util/cgroup.h b/tools/perf/util/cgroup.h
index d91966b97cbd..afafc87e9201 100644
--- a/tools/perf/util/cgroup.h
+++ b/tools/perf/util/cgroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CGROUP_H__
 #define __CGROUP_H__
 
diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index 4b4f00df58a8..ca0fff6272be 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <sched.h>
 #include "util.h"
diff --git a/tools/perf/util/cloexec.h b/tools/perf/util/cloexec.h
index 94a5a7d829d5..78216b1015c4 100644
--- a/tools/perf/util/cloexec.h
+++ b/tools/perf/util/cloexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_CLOEXEC_H
 #define __PERF_CLOEXEC_H
 
diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
index dbbf89b050a5..39e628b8938e 100644
--- a/tools/perf/util/color.c
+++ b/tools/perf/util/color.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include "cache.h"
 #include "config.h"
diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h
index 52122bcc3170..22777b1812ee 100644
--- a/tools/perf/util/color.h
+++ b/tools/perf/util/color.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_COLOR_H
 #define __PERF_COLOR_H
 
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 7bc981b6bf29..8808570f8e9c 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "comm.h"
 #include "util.h"
 #include <errno.h>
diff --git a/tools/perf/util/comm.h b/tools/perf/util/comm.h
index 71c9c39340d4..3e5c438fe85e 100644
--- a/tools/perf/util/comm.h
+++ b/tools/perf/util/comm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_COMM_H
 #define __PERF_COMM_H
 
diff --git a/tools/perf/util/compress.h b/tools/perf/util/compress.h
index 67fd1bb7c2b7..ecca688a25fb 100644
--- a/tools/perf/util/compress.h
+++ b/tools/perf/util/compress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_COMPRESS_H
 #define PERF_COMPRESS_H
 
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index bc75596f9e79..4b893c622236 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * config.c
  *
diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
index b6bb11f3f165..baf82bf227ac 100644
--- a/tools/perf/util/config.h
+++ b/tools/perf/util/config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_CONFIG_H
 #define __PERF_CONFIG_H
 
diff --git a/tools/perf/util/counts.c b/tools/perf/util/counts.c
index c4af82ab7808..03032b410c29 100644
--- a/tools/perf/util/counts.c
+++ b/tools/perf/util/counts.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <stdlib.h>
 #include "evsel.h"
diff --git a/tools/perf/util/counts.h b/tools/perf/util/counts.h
index cb45a6aecf9d..0d1050ccc586 100644
--- a/tools/perf/util/counts.h
+++ b/tools/perf/util/counts.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_COUNTS_H
 #define __PERF_COUNTS_H
 
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 37b3bb79ee08..1ccbd3342069 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util.h"
 #include <api/fs/fs.h>
 #include "../perf.h"
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 6b8bff87481d..ed8999d1a640 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_CPUMAP_H
 #define __PERF_CPUMAP_H
 
diff --git a/tools/perf/util/ctype.c b/tools/perf/util/ctype.c
index 4b261c2ec0f1..ee4c1e8ed54b 100644
--- a/tools/perf/util/ctype.c
+++ b/tools/perf/util/ctype.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Sane locale-independent, ASCII ctype.
  *
diff --git a/tools/perf/util/data-convert-bt.h b/tools/perf/util/data-convert-bt.h
index 9a3b587f76c1..821674d63c4e 100644
--- a/tools/perf/util/data-convert-bt.h
+++ b/tools/perf/util/data-convert-bt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DATA_CONVERT_BT_H
 #define __DATA_CONVERT_BT_H
 #include "data-convert.h"
diff --git a/tools/perf/util/data-convert.h b/tools/perf/util/data-convert.h
index 5314962fe95b..af90b6076c06 100644
--- a/tools/perf/util/data-convert.h
+++ b/tools/perf/util/data-convert.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __DATA_CONVERT_H
 #define __DATA_CONVERT_H
 
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 263f5a906ba5..79192758bdb3 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <sys/types.h>
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index ae510ce16cb1..80241ba78101 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_DATA_H
 #define __PERF_DATA_H
 
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index a5b3777ffee6..dc8b53b6950e 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* For general debugging purposes */
 
 #include "../perf.h"
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index c818bdb1c1ab..77445dfc5c7d 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* For debugging general purposes */
 #ifndef __PERF_DEBUG_H
 #define __PERF_DEBUG_H
diff --git a/tools/perf/util/demangle-java.c b/tools/perf/util/demangle-java.c
index cb66d334f532..e4c486756053 100644
--- a/tools/perf/util/demangle-java.c
+++ b/tools/perf/util/demangle-java.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/tools/perf/util/demangle-java.h b/tools/perf/util/demangle-java.h
index a981c1f968fe..f936c8eabe5d 100644
--- a/tools/perf/util/demangle-java.h
+++ b/tools/perf/util/demangle-java.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_DEMANGLE_JAVA
 #define __PERF_DEMANGLE_JAVA 1
 /*
diff --git a/tools/perf/util/demangle-rust.c b/tools/perf/util/demangle-rust.c
index f9dafa888c06..423afbbd386b 100644
--- a/tools/perf/util/demangle-rust.c
+++ b/tools/perf/util/demangle-rust.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <string.h>
 #include "util.h"
 #include "debug.h"
diff --git a/tools/perf/util/demangle-rust.h b/tools/perf/util/demangle-rust.h
index 7b41ead7e0dd..2fca618b1aa5 100644
--- a/tools/perf/util/demangle-rust.h
+++ b/tools/perf/util/demangle-rust.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_DEMANGLE_RUST
 #define __PERF_DEMANGLE_RUST 1
 
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index b9e087fb8247..00c98c968cb1 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/bug.h>
 #include <linux/kernel.h>
 #include <sys/time.h>
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index f886141678eb..926ff2e7f668 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_DSO
 #define __PERF_DSO
 
diff --git a/tools/perf/util/dump-insn.c b/tools/perf/util/dump-insn.c
index ffbdb19f05d0..10988d3de7ce 100644
--- a/tools/perf/util/dump-insn.c
+++ b/tools/perf/util/dump-insn.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include "dump-insn.h"
 
diff --git a/tools/perf/util/dump-insn.h b/tools/perf/util/dump-insn.h
index 90fb115981cf..0e06280a8860 100644
--- a/tools/perf/util/dump-insn.h
+++ b/tools/perf/util/dump-insn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_DUMP_INSN_H
 #define __PERF_DUMP_INSN_H 1
 
diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c
index c708395b3cb6..db55eddce8cd 100644
--- a/tools/perf/util/dwarf-regs.c
+++ b/tools/perf/util/dwarf-regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dwarf-regs.c : Mapping of DWARF debug register numbers into register names.
  *
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 9e21538c42ae..6276b340f893 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "cpumap.h"
 #include "env.h"
 #include "util.h"
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index b164dfd2dcbf..1eb35b190b34 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_ENV_H
 #define __PERF_ENV_H
 
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1c905ba3641b..fc690fecbfd6 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index ee7bcc898d35..5524ee69279c 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_RECORD_H
 #define __PERF_RECORD_H
 
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index bf2c4936e35f..c1750a400bb7 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_EVLIST_H
 #define __PERF_EVLIST_H 1
 
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index dd2c4b5112a5..b4df79d72329 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_EVSEL_H
 #define __PERF_EVSEL_H 1
 
diff --git a/tools/perf/util/evsel_fprintf.c b/tools/perf/util/evsel_fprintf.c
index 583f3a602506..1fd7c2e46db2 100644
--- a/tools/perf/util/evsel_fprintf.c
+++ b/tools/perf/util/evsel_fprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdbool.h>
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
index 400ef9eab00a..046160831f90 100644
--- a/tools/perf/util/expr.h
+++ b/tools/perf/util/expr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PARSE_CTX_H
 #define PARSE_CTX_H 1
 
diff --git a/tools/perf/util/find-vdso-map.c b/tools/perf/util/find-vdso-map.c
index 95ef1cffc056..d7823e3508fc 100644
--- a/tools/perf/util/find-vdso-map.c
+++ b/tools/perf/util/find-vdso-map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 static int find_vdso_map(void **start, void **end)
 {
 	FILE *maps;
diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h
index 2424bd9862a3..de322d51c7fe 100644
--- a/tools/perf/util/genelf.h
+++ b/tools/perf/util/genelf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __GENELF_H__
 #define __GENELF_H__
 
diff --git a/tools/perf/util/generate-cmdlist.sh b/tools/perf/util/generate-cmdlist.sh
index 0ac2037c970c..9bbcec4e3365 100755
--- a/tools/perf/util/generate-cmdlist.sh
+++ b/tools/perf/util/generate-cmdlist.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 echo "/* Automatically generated by $0 */
 struct cmdname_help
diff --git a/tools/perf/util/group.h b/tools/perf/util/group.h
index 116debe7a995..f36c7e31780a 100644
--- a/tools/perf/util/group.h
+++ b/tools/perf/util/group.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GROUP_H
 #define GROUP_H 1
 
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 605bbd5404fb..ba0cea8fef72 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include "util.h"
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index f7a16ee527b8..29ccbfdf8724 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_HEADER_H
 #define __PERF_HEADER_H
 
diff --git a/tools/perf/util/help-unknown-cmd.c b/tools/perf/util/help-unknown-cmd.c
index 15b95300d7f3..4f07a5ba5030 100644
--- a/tools/perf/util/help-unknown-cmd.c
+++ b/tools/perf/util/help-unknown-cmd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "cache.h"
 #include "config.h"
 #include <poll.h>
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index e60d8d8ea4c2..097473600d94 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util.h"
 #include "build-id.h"
 #include "hist.h"
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index e60dda26a920..f6630cb95eff 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_HIST_H
 #define __PERF_HIST_H
 
diff --git a/tools/perf/util/include/asm/asm-offsets.h b/tools/perf/util/include/asm/asm-offsets.h
index ed538942523d..3aff4cf44944 100644
--- a/tools/perf/util/include/asm/asm-offsets.h
+++ b/tools/perf/util/include/asm/asm-offsets.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* stub */
diff --git a/tools/perf/util/include/asm/cpufeature.h b/tools/perf/util/include/asm/cpufeature.h
index acffd5e4d1d4..2270481c7e0a 100644
--- a/tools/perf/util/include/asm/cpufeature.h
+++ b/tools/perf/util/include/asm/cpufeature.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef PERF_CPUFEATURE_H
 #define PERF_CPUFEATURE_H
diff --git a/tools/perf/util/include/asm/dwarf2.h b/tools/perf/util/include/asm/dwarf2.h
index afe38199e922..e9876be63dbf 100644
--- a/tools/perf/util/include/asm/dwarf2.h
+++ b/tools/perf/util/include/asm/dwarf2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef PERF_DWARF2_H
 #define PERF_DWARF2_H
diff --git a/tools/perf/util/include/asm/uaccess.h b/tools/perf/util/include/asm/uaccess.h
index d0f72b8fcc35..6a6f4b990547 100644
--- a/tools/perf/util/include/asm/uaccess.h
+++ b/tools/perf/util/include/asm/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_ASM_UACCESS_H_
 #define _PERF_ASM_UACCESS_H_
 
diff --git a/tools/perf/util/include/dwarf-regs.h b/tools/perf/util/include/dwarf-regs.h
index 43bfd8da7919..7d99a084e82d 100644
--- a/tools/perf/util/include/dwarf-regs.h
+++ b/tools/perf/util/include/dwarf-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_DWARF_REGS_H_
 #define _PERF_DWARF_REGS_H_
 
diff --git a/tools/perf/util/include/linux/linkage.h b/tools/perf/util/include/linux/linkage.h
index 06387cffe125..f01d48a8d707 100644
--- a/tools/perf/util/include/linux/linkage.h
+++ b/tools/perf/util/include/linux/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef PERF_LINUX_LINKAGE_H_
 #define PERF_LINUX_LINKAGE_H_
diff --git a/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk b/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk
index 54e961659514..ddd5c4c21129 100644
--- a/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk
+++ b/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk
@@ -1,4 +1,5 @@
 #!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 # gen-insn-attr-x86.awk: Instruction attribute table generator
 # Written by Masami Hiramatsu <mhiramat@redhat.com>
 #
diff --git a/tools/perf/util/intlist.h b/tools/perf/util/intlist.h
index 020b9ca1b47e..85bab8735fa9 100644
--- a/tools/perf/util/intlist.h
+++ b/tools/perf/util/intlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_INTLIST_H
 #define __PERF_INTLIST_H
 
diff --git a/tools/perf/util/jit.h b/tools/perf/util/jit.h
index 3f42ee4d2a0b..c2582fa9fe21 100644
--- a/tools/perf/util/jit.h
+++ b/tools/perf/util/jit.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __JIT_H__
 #define __JIT_H__
 
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 9084930e1757..36483db032e8 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <errno.h>
diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h
index d01e73592f6e..7b1f06567521 100644
--- a/tools/perf/util/kvm-stat.h
+++ b/tools/perf/util/kvm-stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_KVM_STAT_H
 #define __PERF_KVM_STAT_H
 
diff --git a/tools/perf/util/levenshtein.c b/tools/perf/util/levenshtein.c
index f616e4f65b67..a217ecf0359d 100644
--- a/tools/perf/util/levenshtein.c
+++ b/tools/perf/util/levenshtein.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "levenshtein.h"
 #include <errno.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/levenshtein.h b/tools/perf/util/levenshtein.h
index b0fcb6d8a881..34ca173c557d 100644
--- a/tools/perf/util/levenshtein.h
+++ b/tools/perf/util/levenshtein.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_LEVENSHTEIN_H
 #define __PERF_LEVENSHTEIN_H
 
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c
index 6559bc586643..66756e6be111 100644
--- a/tools/perf/util/libunwind/arm64.c
+++ b/tools/perf/util/libunwind/arm64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file setups defines to compile arch specific binary from the
  * generic one.
diff --git a/tools/perf/util/libunwind/x86_32.c b/tools/perf/util/libunwind/x86_32.c
index 957ffff72428..c5e568188e19 100644
--- a/tools/perf/util/libunwind/x86_32.c
+++ b/tools/perf/util/libunwind/x86_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file setups defines to compile arch specific binary from the
  * generic one.
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index 209b0c82eff4..4952b429caa7 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
  * Copyright (C) 2015, Huawei Inc.
diff --git a/tools/perf/util/llvm-utils.h b/tools/perf/util/llvm-utils.h
index c87a2a92a88f..d3ad8deb5db4 100644
--- a/tools/perf/util/llvm-utils.h
+++ b/tools/perf/util/llvm-utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
  * Copyright (C) 2015, Huawei Inc.
diff --git a/tools/perf/util/lzma.c b/tools/perf/util/lzma.c
index 4ca7c5c6cdcd..07498eaddc08 100644
--- a/tools/perf/util/lzma.c
+++ b/tools/perf/util/lzma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <lzma.h>
 #include <stdio.h>
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index df709363ef69..bd5d5b5e2218 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index 3cdb1340f917..d551aa80a59b 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_MACHINE_H
 #define __PERF_MACHINE_H
 
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index bdaa0a4edc17..4e7bd2750122 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "symbol.h"
 #include <errno.h>
 #include <inttypes.h>
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 73aacf7a7dc4..1fb9b8589adc 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_MAP_H
 #define __PERF_MAP_H
 
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index 28afe5fa84d6..93f74d8d3cdd 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h
index 40f72ee4f42a..a889ec2fa9f5 100644
--- a/tools/perf/util/mem-events.h
+++ b/tools/perf/util/mem-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_MEM_EVENTS_H
 #define __PERF_MEM_EVENTS_H
 
diff --git a/tools/perf/util/memswap.c b/tools/perf/util/memswap.c
index 55f7faa8d9ec..c1317e4983bc 100644
--- a/tools/perf/util/memswap.c
+++ b/tools/perf/util/memswap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <byteswap.h>
 #include "memswap.h"
 #include <linux/types.h>
diff --git a/tools/perf/util/memswap.h b/tools/perf/util/memswap.h
index 7d1b1c34bb57..1e29ff903ca9 100644
--- a/tools/perf/util/memswap.h
+++ b/tools/perf/util/memswap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_MEMSWAP_H_
 #define PERF_MEMSWAP_H_
 
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index 4de398cfb577..8e09fd2d842f 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <linux/list.h>
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
index e11468a9a6e4..96e5292d88e2 100644
--- a/tools/perf/util/ordered-events.h
+++ b/tools/perf/util/ordered-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ORDERED_EVENTS_H
 #define __ORDERED_EVENTS_H
 
diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c
index e71fb5f31e84..bd779d9f4d1e 100644
--- a/tools/perf/util/parse-branch-options.c
+++ b/tools/perf/util/parse-branch-options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "util/util.h"
 #include "util/debug.h"
diff --git a/tools/perf/util/parse-branch-options.h b/tools/perf/util/parse-branch-options.h
index 6086fd90eb23..11d1722733f2 100644
--- a/tools/perf/util/parse-branch-options.h
+++ b/tools/perf/util/parse-branch-options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_PARSE_BRANCH_OPTIONS_H
 #define _PERF_PARSE_BRANCH_OPTIONS_H 1
 #include <stdint.h>
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 39b15968eab1..56694e3409ea 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/hw_breakpoint.h>
 #include <linux/err.h>
 #include <dirent.h>
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 635135125111..eed50b54bab3 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_PARSE_EVENTS_H
 #define __PERF_PARSE_EVENTS_H
 /*
diff --git a/tools/perf/util/parse-regs-options.c b/tools/perf/util/parse-regs-options.c
index 646ecf736aad..e6599e290f46 100644
--- a/tools/perf/util/parse-regs-options.c
+++ b/tools/perf/util/parse-regs-options.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "perf.h"
 #include "util/util.h"
 #include "util/debug.h"
diff --git a/tools/perf/util/parse-regs-options.h b/tools/perf/util/parse-regs-options.h
index 7d762b188007..cdefb1acf6be 100644
--- a/tools/perf/util/parse-regs-options.h
+++ b/tools/perf/util/parse-regs-options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_PARSE_REGS_OPTIONS_H
 #define _PERF_PARSE_REGS_OPTIONS_H 1
 struct option;
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index 50ec3bc87a60..933f5c6bffb4 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * I'm tired of doing "vsnprintf()" etc just to open a
  * file, so here's a "return static buffer with printf"
diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
index 9a276a58e3c2..14a254ada7eb 100644
--- a/tools/perf/util/path.h
+++ b/tools/perf/util/path.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_PATH_H
 #define _PERF_PATH_H
 
diff --git a/tools/perf/util/perf-hooks.c b/tools/perf/util/perf-hooks.c
index d55092964da2..4f3aa8d99ef4 100644
--- a/tools/perf/util/perf-hooks.c
+++ b/tools/perf/util/perf-hooks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * perf_hooks.c
  *
diff --git a/tools/perf/util/perf-hooks.h b/tools/perf/util/perf-hooks.h
index 838d5797bc1e..27fbec62d4fe 100644
--- a/tools/perf/util/perf-hooks.h
+++ b/tools/perf/util/perf-hooks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_UTIL_PERF_HOOKS_H
 #define PERF_UTIL_PERF_HOOKS_H
 
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index b2ae039eff85..2acfcc527cac 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include "perf_regs.h"
 #include "event.h"
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 32b37d19dcc3..c9319f8d17a6 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_REGS_H
 #define __PERF_REGS_H
 
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 1c4d7b4e4fb5..b10b35a63138 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/list.h>
 #include <linux/compiler.h>
 #include <sys/types.h>
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index fe0de0502ce2..eca99435f4a0 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PMU_H
 #define __PMU_H
 
diff --git a/tools/perf/util/print_binary.c b/tools/perf/util/print_binary.c
index e908177b9976..779e35c9e566 100644
--- a/tools/perf/util/print_binary.c
+++ b/tools/perf/util/print_binary.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "print_binary.h"
 #include <linux/log2.h>
 #include "sane_ctype.h"
diff --git a/tools/perf/util/print_binary.h b/tools/perf/util/print_binary.h
index da0427263d2d..2be3075e2b05 100644
--- a/tools/perf/util/print_binary.h
+++ b/tools/perf/util/print_binary.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_PRINT_BINARY_H
 #define PERF_PRINT_BINARY_H
 
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index 078681d12168..45b14f020558 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PROBE_EVENT_H
 #define _PROBE_EVENT_H
 
diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h
index 2ca4163abafe..63f29b1d22c1 100644
--- a/tools/perf/util/probe-file.h
+++ b/tools/perf/util/probe-file.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PROBE_FILE_H
 #define __PROBE_FILE_H
 
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 27f061551012..16252980ff00 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PROBE_FINDER_H
 #define _PROBE_FINDER_H
 
diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c
index b234a6e3d0d4..797fe1ae2d2e 100644
--- a/tools/perf/util/pstack.c
+++ b/tools/perf/util/pstack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple pointer stack
  *
diff --git a/tools/perf/util/pstack.h b/tools/perf/util/pstack.h
index ded7f2e36624..8729b8be061d 100644
--- a/tools/perf/util/pstack.h
+++ b/tools/perf/util/pstack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_PSTACK_
 #define _PERF_PSTACK_
 
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index c129e99114ae..8e49d9cafcfc 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <Python.h>
 #include <structmember.h>
 #include <inttypes.h>
diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c
index 1ba8920151d8..22eaa201aa27 100644
--- a/tools/perf/util/quote.c
+++ b/tools/perf/util/quote.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <stdlib.h>
 #include "strbuf.h"
diff --git a/tools/perf/util/quote.h b/tools/perf/util/quote.h
index 055ca45bed99..274bf26d3511 100644
--- a/tools/perf/util/quote.h
+++ b/tools/perf/util/quote.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_QUOTE_H
 #define __PERF_QUOTE_H
 
diff --git a/tools/perf/util/rb_resort.h b/tools/perf/util/rb_resort.h
index 808cc45611fe..7d8972b33f6b 100644
--- a/tools/perf/util/rb_resort.h
+++ b/tools/perf/util/rb_resort.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_RESORT_RB_H_
 #define _PERF_RESORT_RB_H_
 /*
diff --git a/tools/perf/util/rblist.h b/tools/perf/util/rblist.h
index ff9913b994c2..4c8638a22571 100644
--- a/tools/perf/util/rblist.h
+++ b/tools/perf/util/rblist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_RBLIST_H
 #define __PERF_RBLIST_H
 
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index d91bdf5a1aa4..1e97937b03a9 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "evlist.h"
 #include "evsel.h"
 #include "cpumap.h"
diff --git a/tools/perf/util/sane_ctype.h b/tools/perf/util/sane_ctype.h
index 4308c22c22ad..c2b42ff9ff32 100644
--- a/tools/perf/util/sane_ctype.h
+++ b/tools/perf/util/sane_ctype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_SANE_CTYPE_H
 #define _PERF_SANE_CTYPE_H
 
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 76ab0709a20c..da55081aefc6 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <linux/kernel.h>
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 47b5e7dbcb18..41caa098ed15 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SESSION_H
 #define __PERF_SESSION_H
 
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index eb3ab902a1c0..84a33f1e9ec9 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <regex.h>
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index f36dc4980a6c..b2b55e5149a7 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SORT_H
 #define __PERF_SORT_H
 #include "../builtin.h"
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index ed8e8d2de942..4105682afc7a 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/srcline.h b/tools/perf/util/srcline.h
index 7b52ba88676e..8e73f607dfa3 100644
--- a/tools/perf/util/srcline.h
+++ b/tools/perf/util/srcline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_SRCLINE_H
 #define PERF_SRCLINE_H
 
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index a04cf56d3517..37363869c9a1 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include "evsel.h"
 #include "stat.h"
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 35e9848734d6..c9bae5fb8b47 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <math.h>
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index eacaf958e19d..96326b1f9443 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_STATS_H
 #define __PERF_STATS_H
 
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index aafe908b82b5..3d1cf5bf7f18 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "debug.h"
 #include "util.h"
 #include <linux/kernel.h>
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h
index 802d743378af..ea94d8628980 100644
--- a/tools/perf/util/strbuf.h
+++ b/tools/perf/util/strbuf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_STRBUF_H
 #define __PERF_STRBUF_H
 
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index 4dc0af669a30..7f3253d44afd 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "util.h"
 #include "string2.h"
 #include "strfilter.h"
diff --git a/tools/perf/util/strfilter.h b/tools/perf/util/strfilter.h
index cff5eda88728..e0c25a40f796 100644
--- a/tools/perf/util/strfilter.h
+++ b/tools/perf/util/strfilter.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_STRFILTER_H
 #define __PERF_STRFILTER_H
 /* General purpose glob matching filter */
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index cca53b693a48..aaa08ee8c717 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "string2.h"
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/tools/perf/util/string2.h b/tools/perf/util/string2.h
index 2f619681bd6a..ee14ca5451ab 100644
--- a/tools/perf/util/string2.h
+++ b/tools/perf/util/string2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_STRING_H
 #define PERF_STRING_H
 
diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h
index 19207e50fce5..d58f1e08b170 100644
--- a/tools/perf/util/strlist.h
+++ b/tools/perf/util/strlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_STRLIST_H
 #define __PERF_STRLIST_H
 
diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h
index 946fdf2db97c..e55338d5c3bd 100644
--- a/tools/perf/util/svghelper.h
+++ b/tools/perf/util/svghelper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SVGHELPER_H
 #define __PERF_SVGHELPER_H
 
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 9cf781f0d8a2..2de770511e70 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <fcntl.h>
 #include <stdio.h>
 #include <errno.h>
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 1a5aa35b0100..ff48d0d49584 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "symbol.h"
 #include "util.h"
 
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 5909ee4c7ade..6492ef38b090 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <errno.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index aad99e7e179b..6352022593c6 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SYMBOL
 #define __PERF_SYMBOL 1
 
diff --git a/tools/perf/util/symbol_fprintf.c b/tools/perf/util/symbol_fprintf.c
index 63694e174e5c..6dd2cb88ccbe 100644
--- a/tools/perf/util/symbol_fprintf.c
+++ b/tools/perf/util/symbol_fprintf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <elf.h>
 #include <inttypes.h>
 #include <stdio.h>
diff --git a/tools/perf/util/syscalltbl.h b/tools/perf/util/syscalltbl.h
index e9fb8786da7c..c8e7e9ce0f01 100644
--- a/tools/perf/util/syscalltbl.h
+++ b/tools/perf/util/syscalltbl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_SYSCALLTBL_H
 #define __PERF_SYSCALLTBL_H
 
diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index 7381b1ca4041..446aa7a56f25 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_TARGET_H
 #define _PERF_TARGET_H
 
diff --git a/tools/perf/util/term.c b/tools/perf/util/term.c
index 8f254a74d97d..e7aa82c06c76 100644
--- a/tools/perf/util/term.c
+++ b/tools/perf/util/term.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "term.h"
 #include <stdlib.h>
 #include <termios.h>
diff --git a/tools/perf/util/term.h b/tools/perf/util/term.h
index 2c06a61846a1..607b170a9017 100644
--- a/tools/perf/util/term.h
+++ b/tools/perf/util/term.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_TERM_H
 #define __PERF_TERM_H
 
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index aee9a42102ba..1dbcd3c8dee0 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../perf.h"
 #include <errno.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index cb1a5dd5c2b9..fdcea7c0cac1 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_THREAD_H
 #define __PERF_THREAD_H
 
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 63ead7b06324..be0d5a736dea 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dirent.h>
 #include <errno.h>
 #include <limits.h>
diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h
index bd34d7a0b9fa..f15803985435 100644
--- a/tools/perf/util/thread_map.h
+++ b/tools/perf/util/thread_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_THREAD_MAP_H
 #define __PERF_THREAD_MAP_H
 
diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c
index 5b5d0214debd..81927d027417 100644
--- a/tools/perf/util/time-utils.c
+++ b/tools/perf/util/time-utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <string.h>
 #include <sys/time.h>
diff --git a/tools/perf/util/time-utils.h b/tools/perf/util/time-utils.h
index 8656be08513b..15b475c50ccf 100644
--- a/tools/perf/util/time-utils.h
+++ b/tools/perf/util/time-utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TIME_UTILS_H_
 #define _TIME_UTILS_H_
 
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index d549e50db397..2532b558099b 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_TOOL_H
 #define __PERF_TOOL_H
 
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 9bdfb78a9a35..506150a75bd0 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_TOP_H
 #define __PERF_TOP_H 1
 
diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c
index c330780674fc..16a776371d03 100644
--- a/tools/perf/util/trace-event.c
+++ b/tools/perf/util/trace-event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <stdio.h>
 #include <unistd.h>
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 1fbc044f9eb0..dcbdb53dc702 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_UTIL_TRACE_EVENT_H
 #define _PERF_UTIL_TRACE_EVENT_H
 
diff --git a/tools/perf/util/trigger.h b/tools/perf/util/trigger.h
index e97d7016d771..370138e7e35c 100644
--- a/tools/perf/util/trigger.h
+++ b/tools/perf/util/trigger.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRIGGER_H_
 #define __TRIGGER_H_ 1
 
diff --git a/tools/perf/util/tsc.c b/tools/perf/util/tsc.c
index 1b741646eed0..bfa782421cbd 100644
--- a/tools/perf/util/tsc.c
+++ b/tools/perf/util/tsc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/types.h>
 
diff --git a/tools/perf/util/tsc.h b/tools/perf/util/tsc.h
index d5b11e2b85e0..e0c3af34ac8d 100644
--- a/tools/perf/util/tsc.h
+++ b/tools/perf/util/tsc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_TSC_H
 #define __PERF_TSC_H
 
diff --git a/tools/perf/util/units.c b/tools/perf/util/units.c
index 4767ec2c5ef6..a46762aec4c9 100644
--- a/tools/perf/util/units.c
+++ b/tools/perf/util/units.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "units.h"
 #include <inttypes.h>
 #include <limits.h>
diff --git a/tools/perf/util/units.h b/tools/perf/util/units.h
index f02c87317150..99263b6a23f7 100644
--- a/tools/perf/util/units.h
+++ b/tools/perf/util/units.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERF_UNIT_H
 #define PERF_UNIT_H
 
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 7755a5e0fe5e..1e9c974faf67 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <elfutils/libdw.h>
 #include <elfutils/libdwfl.h>
diff --git a/tools/perf/util/unwind-libdw.h b/tools/perf/util/unwind-libdw.h
index 4a2b269a7b3b..0cbd2650e280 100644
--- a/tools/perf/util/unwind-libdw.h
+++ b/tools/perf/util/unwind-libdw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_UNWIND_LIBDW_H
 #define __PERF_UNWIND_LIBDW_H
 
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 672c2ada9357..7a42f703e858 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Post mortem Dwarf CFI based unwinding on top of regs and stack dumps.
  *
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 8aef572d0889..647a1e6b4c7b 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "unwind.h"
 #include "thread.h"
 #include "session.h"
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index bfbdcc6198c9..8a44a1569a21 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __UNWIND_H
 #define __UNWIND_H
 
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 6cc9d9888ce0..070d25ceea6a 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * usage.c
  *
diff --git a/tools/perf/util/util-cxx.h b/tools/perf/util/util-cxx.h
index 0e0e019c9f34..80a99e458d4e 100644
--- a/tools/perf/util/util-cxx.h
+++ b/tools/perf/util/util-cxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Support C++ source use utilities defined in util.h
  */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 4c360daa4e24..3687b720327a 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "../perf.h"
 #include "util.h"
 #include "debug.h"
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index b136c271125f..b52765e6d7b4 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GIT_COMPAT_UTIL_H
 #define GIT_COMPAT_UTIL_H
 
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 8a32bb0095e5..4b7a303e4ba8 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/values.h b/tools/perf/util/values.h
index 808ff9c73bf5..8c41f22f42cf 100644
--- a/tools/perf/util/values.h
+++ b/tools/perf/util/values.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_VALUES_H
 #define __PERF_VALUES_H
 
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index d3c39eec89a8..cffcda448c28 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/perf/util/vdso.h b/tools/perf/util/vdso.h
index cdc4fabfc212..bc74ace603ae 100644
--- a/tools/perf/util/vdso.h
+++ b/tools/perf/util/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PERF_VDSO__
 #define __PERF_VDSO__
 
diff --git a/tools/perf/util/xyarray.c b/tools/perf/util/xyarray.c
index c8f415d9877b..dc95154f5646 100644
--- a/tools/perf/util/xyarray.c
+++ b/tools/perf/util/xyarray.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "xyarray.h"
 #include "util.h"
 #include <stdlib.h>
diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h
index 54af60462130..7ffe562e7ae7 100644
--- a/tools/perf/util/xyarray.h
+++ b/tools/perf/util/xyarray.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PERF_XYARRAY_H_
 #define _PERF_XYARRAY_H_ 1
 
diff --git a/tools/perf/util/zlib.c b/tools/perf/util/zlib.c
index 1329d843eb7b..008fe68d7b76 100644
--- a/tools/perf/util/zlib.c
+++ b/tools/perf/util/zlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/stat.h>
diff --git a/tools/power/cpupower/bench/Makefile b/tools/power/cpupower/bench/Makefile
index 3e59f1aa3947..d79ab161cc75 100644
--- a/tools/power/cpupower/bench/Makefile
+++ b/tools/power/cpupower/bench/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OUTPUT := ./
 ifeq ("$(origin O)", "command line")
 ifneq ($(O),)
diff --git a/tools/power/cpupower/debug/i386/Makefile b/tools/power/cpupower/debug/i386/Makefile
index c05cc0ac80c7..b3f771039b17 100644
--- a/tools/power/cpupower/debug/i386/Makefile
+++ b/tools/power/cpupower/debug/i386/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OUTPUT=./
 ifeq ("$(origin O)", "command line")
 	OUTPUT := $(O)/
diff --git a/tools/power/cpupower/debug/kernel/Makefile b/tools/power/cpupower/debug/kernel/Makefile
index a8a6f8eec5c2..c23e5a6ceb7e 100644
--- a/tools/power/cpupower/debug/kernel/Makefile
+++ b/tools/power/cpupower/debug/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-m	:=
 
 KDIR	:= /lib/modules/$(shell uname -r)/build
diff --git a/tools/power/cpupower/debug/x86_64/Makefile b/tools/power/cpupower/debug/x86_64/Makefile
index 1c5214526716..59af84b8ef45 100644
--- a/tools/power/cpupower/debug/x86_64/Makefile
+++ b/tools/power/cpupower/debug/x86_64/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 OUTPUT=./
 ifeq ("$(origin O)", "command line")
 	OUTPUT := $(O)/
diff --git a/tools/power/cpupower/lib/cpuidle.h b/tools/power/cpupower/lib/cpuidle.h
index 04eb3cfa6e42..2e10fead2e1e 100644
--- a/tools/power/cpupower/lib/cpuidle.h
+++ b/tools/power/cpupower/lib/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPUPOWER_CPUIDLE_H__
 #define __CPUPOWER_CPUIDLE_H__
 
diff --git a/tools/power/cpupower/lib/cpupower.h b/tools/power/cpupower/lib/cpupower.h
index fa031fcc7710..e4e4292eacec 100644
--- a/tools/power/cpupower/lib/cpupower.h
+++ b/tools/power/cpupower/lib/cpupower.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPUPOWER_CPUPOWER_H__
 #define __CPUPOWER_CPUPOWER_H__
 
diff --git a/tools/power/cpupower/lib/cpupower_intern.h b/tools/power/cpupower/lib/cpupower_intern.h
index f8ec4009621c..92affdfbe417 100644
--- a/tools/power/cpupower/lib/cpupower_intern.h
+++ b/tools/power/cpupower/lib/cpupower_intern.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define PATH_TO_CPU "/sys/devices/system/cpu/"
 #define MAX_LINE_LEN 4096
 #define SYSFS_PATH_MAX 255
diff --git a/tools/power/cpupower/utils/builtin.h b/tools/power/cpupower/utils/builtin.h
index 2284c8ea4e2a..f7065ae60a14 100644
--- a/tools/power/cpupower/utils/builtin.h
+++ b/tools/power/cpupower/utils/builtin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BUILTIN_H
 #define BUILTIN_H
 
diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c
index 691c24d50ef4..569f268f4c7f 100644
--- a/tools/power/cpupower/utils/cpuidle-set.c
+++ b/tools/power/cpupower/utils/cpuidle-set.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 5fd5c5b8c7b8..bb41cdd0df6b 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #if defined(__i386__) || defined(__x86_64__)
 #include <unistd.h>
 #include <errno.h>
diff --git a/tools/power/cpupower/utils/helpers/bitmask.c b/tools/power/cpupower/utils/helpers/bitmask.c
index 5c074c60f904..6c7932f5bd66 100644
--- a/tools/power/cpupower/utils/helpers/bitmask.c
+++ b/tools/power/cpupower/utils/helpers/bitmask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/power/cpupower/utils/helpers/bitmask.h b/tools/power/cpupower/utils/helpers/bitmask.h
index eb289df41053..b98d93a44e1b 100644
--- a/tools/power/cpupower/utils/helpers/bitmask.h
+++ b/tools/power/cpupower/utils/helpers/bitmask.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPUPOWER_BITMASK__
 #define __CPUPOWER_BITMASK__
 
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c
index 32d37c9be791..732b0b41ba26 100644
--- a/tools/power/cpupower/utils/helpers/cpuid.c
+++ b/tools/power/cpupower/utils/helpers/cpuid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c
index a5e7ddf19dbd..80fdf55f414d 100644
--- a/tools/power/cpupower/utils/helpers/misc.c
+++ b/tools/power/cpupower/utils/helpers/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #if defined(__i386__) || defined(__x86_64__)
 
 #include "helpers/helpers.h"
diff --git a/tools/power/cpupower/utils/helpers/msr.c b/tools/power/cpupower/utils/helpers/msr.c
index 31a4b24a8bc6..ab9950748838 100644
--- a/tools/power/cpupower/utils/helpers/msr.c
+++ b/tools/power/cpupower/utils/helpers/msr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #if defined(__i386__) || defined(__x86_64__)
 
 #include <fcntl.h>
diff --git a/tools/power/cpupower/utils/helpers/pci.c b/tools/power/cpupower/utils/helpers/pci.c
index 8b278983cfc5..113f3da2a203 100644
--- a/tools/power/cpupower/utils/helpers/pci.c
+++ b/tools/power/cpupower/utils/helpers/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #if defined(__i386__) || defined(__x86_64__)
 
 #include <helpers/helpers.h>
diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
index d28f11fedbda..0f0b9ad97e4a 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.h
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CPUPOWER_HELPERS_SYSFS_H__
 #define __CPUPOWER_HELPERS_SYSFS_H__
 
diff --git a/tools/power/cpupower/utils/version-gen.sh b/tools/power/cpupower/utils/version-gen.sh
index 5ec41c556992..c70de2eabffb 100755
--- a/tools/power/cpupower/utils/version-gen.sh
+++ b/tools/power/cpupower/utils/version-gen.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # Script which prints out the version to use for building cpupowerutils.
 # Must be called from tools/power/cpupower/
diff --git a/tools/power/pm-graph/Makefile b/tools/power/pm-graph/Makefile
index 32f40eacdafe..4e1e999e7b05 100644
--- a/tools/power/pm-graph/Makefile
+++ b/tools/power/pm-graph/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 PREFIX		?= /usr
 DESTDIR		?=
 
diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile
index 8792ad8dbf83..a9bc914a8fe8 100644
--- a/tools/power/x86/turbostat/Makefile
+++ b/tools/power/x86/turbostat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC		= $(CROSS_COMPILE)gcc
 BUILD_OUTPUT	:= $(CURDIR)
 PREFIX		?= /usr
diff --git a/tools/power/x86/x86_energy_perf_policy/Makefile b/tools/power/x86/x86_energy_perf_policy/Makefile
index a711eec0c895..2447b1bbaacf 100644
--- a/tools/power/x86/x86_energy_perf_policy/Makefile
+++ b/tools/power/x86/x86_energy_perf_policy/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC		= $(CROSS_COMPILE)gcc
 BUILD_OUTPUT    := $(CURDIR)
 PREFIX		:= /usr
diff --git a/tools/scripts/Makefile.arch b/tools/scripts/Makefile.arch
index ad85b921a607..78d90a249e88 100644
--- a/tools/scripts/Makefile.arch
+++ b/tools/scripts/Makefile.arch
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
                                   -e s/sun4u/sparc/ -e s/sparc64/sparc/ \
                                   -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 9dc8f078a83c..f5c95d4f56a1 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifneq ($(O),)
 ifeq ($(origin O), command line)
 	ABSOLUTE_O := $(realpath $(O))
diff --git a/tools/spi/spidev_fdx.c b/tools/spi/spidev_fdx.c
index 0ea3e51292fc..7d2a867cd4ae 100644
--- a/tools/spi/spidev_fdx.c
+++ b/tools/spi/spidev_fdx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
diff --git a/tools/testing/fault-injection/failcmd.sh b/tools/testing/fault-injection/failcmd.sh
index 78a9ed7fecdb..29a6c63c5a15 100644
--- a/tools/testing/fault-injection/failcmd.sh
+++ b/tools/testing/fault-injection/failcmd.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # NAME
 #	failcmd.sh - run a command with injecting slab/page allocation failures
diff --git a/tools/testing/ktest/compare-ktest-sample.pl b/tools/testing/ktest/compare-ktest-sample.pl
index a373a5bfff68..4118eb4a842d 100755
--- a/tools/testing/ktest/compare-ktest-sample.pl
+++ b/tools/testing/ktest/compare-ktest-sample.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
 
 open (IN,"ktest.pl");
 while (<IN>) {
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild
index d870520da68b..65368d9027f5 100644
--- a/tools/testing/nvdimm/Kbuild
+++ b/tools/testing/nvdimm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ldflags-y += --wrap=ioremap_wc
 ldflags-y += --wrap=memremap
 ldflags-y += --wrap=devm_ioremap_nocache
diff --git a/tools/testing/nvdimm/Makefile b/tools/testing/nvdimm/Makefile
index 3dfe024b4e7e..c37a6a0bde28 100644
--- a/tools/testing/nvdimm/Makefile
+++ b/tools/testing/nvdimm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 KDIR ?= ../../../
 
 default:
diff --git a/tools/testing/nvdimm/config_check.c b/tools/testing/nvdimm/config_check.c
index 7dc5a0af9b54..cac891028cd1 100644
--- a/tools/testing/nvdimm/config_check.c
+++ b/tools/testing/nvdimm/config_check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/bug.h>
 
 void check(void)
diff --git a/tools/testing/nvdimm/test/Kbuild b/tools/testing/nvdimm/test/Kbuild
index d32f25bba42a..fb3c3d7cdb9b 100644
--- a/tools/testing/nvdimm/test/Kbuild
+++ b/tools/testing/nvdimm/test/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ccflags-y := -I$(src)/../../../../drivers/nvdimm/
 ccflags-y += -I$(src)/../../../../drivers/acpi/nfit/
 
diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile
index 6a9480c03cbd..fa7ee369b3c9 100644
--- a/tools/testing/radix-tree/Makefile
+++ b/tools/testing/radix-tree/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 CFLAGS += -I. -I../../include -g -O2 -Wall -D_LGPL_SOURCE -fsanitize=address
 LDFLAGS += -fsanitize=address
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index cf48c8473f48..6903ccf35595 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <string.h>
 #include <malloc.h>
diff --git a/tools/testing/radix-tree/linux/gfp.h b/tools/testing/radix-tree/linux/gfp.h
index 39a0dcb9475a..e9fff59dfd8a 100644
--- a/tools/testing/radix-tree/linux/gfp.h
+++ b/tools/testing/radix-tree/linux/gfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GFP_H
 #define _GFP_H
 
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index b21a77fddcf7..c3bc3f364f68 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KERNEL_H
 #define _KERNEL_H
 
diff --git a/tools/testing/radix-tree/linux/percpu.h b/tools/testing/radix-tree/linux/percpu.h
index 3ea01a1a88c2..b2403aa743b2 100644
--- a/tools/testing/radix-tree/linux/percpu.h
+++ b/tools/testing/radix-tree/linux/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define DECLARE_PER_CPU(type, val) extern type val
 #define DEFINE_PER_CPU(type, val) type val
 
diff --git a/tools/testing/radix-tree/linux/preempt.h b/tools/testing/radix-tree/linux/preempt.h
index 35c5ac81529f..edb10302b903 100644
--- a/tools/testing/radix-tree/linux/preempt.h
+++ b/tools/testing/radix-tree/linux/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_PREEMPT_H
 #define __LINUX_PREEMPT_H
 
diff --git a/tools/testing/radix-tree/linux/radix-tree.h b/tools/testing/radix-tree/linux/radix-tree.h
index bf1bb231f9b5..24f13d27a8da 100644
--- a/tools/testing/radix-tree/linux/radix-tree.h
+++ b/tools/testing/radix-tree/linux/radix-tree.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _TEST_RADIX_TREE_H
 #define _TEST_RADIX_TREE_H
 
diff --git a/tools/testing/radix-tree/linux/rcupdate.h b/tools/testing/radix-tree/linux/rcupdate.h
index f7129ea2a899..73ed33658203 100644
--- a/tools/testing/radix-tree/linux/rcupdate.h
+++ b/tools/testing/radix-tree/linux/rcupdate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RCUPDATE_H
 #define _RCUPDATE_H
 
diff --git a/tools/testing/radix-tree/linux/slab.h b/tools/testing/radix-tree/linux/slab.h
index e40337f41a38..979baeec7e70 100644
--- a/tools/testing/radix-tree/linux/slab.h
+++ b/tools/testing/radix-tree/linux/slab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SLAB_H
 #define SLAB_H
 
diff --git a/tools/testing/radix-tree/main.c b/tools/testing/radix-tree/main.c
index bc9a78449572..257f3f8aacaa 100644
--- a/tools/testing/radix-tree/main.c
+++ b/tools/testing/radix-tree/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/tools/testing/radix-tree/regression.h b/tools/testing/radix-tree/regression.h
index e018c4816688..3c8a1584e9ee 100644
--- a/tools/testing/radix-tree/regression.h
+++ b/tools/testing/radix-tree/regression.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __REGRESSION_H__
 #define __REGRESSION_H__
 
diff --git a/tools/testing/radix-tree/regression1.c b/tools/testing/radix-tree/regression1.c
index bf97742fc18c..0aece092f40e 100644
--- a/tools/testing/radix-tree/regression1.c
+++ b/tools/testing/radix-tree/regression1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Regression1
  * Description:
diff --git a/tools/testing/radix-tree/regression2.c b/tools/testing/radix-tree/regression2.c
index 42dd2a33ed24..424b91c77831 100644
--- a/tools/testing/radix-tree/regression2.c
+++ b/tools/testing/radix-tree/regression2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Regression2
  * Description:
diff --git a/tools/testing/radix-tree/regression3.c b/tools/testing/radix-tree/regression3.c
index 670c3d2ae7b1..ace2543c3eda 100644
--- a/tools/testing/radix-tree/regression3.c
+++ b/tools/testing/radix-tree/regression3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Regression3
  * Description:
diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index 36dcf7d6945d..543181e4847b 100644
--- a/tools/testing/radix-tree/tag_check.c
+++ b/tools/testing/radix-tree/tag_check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <assert.h>
 #include <stdio.h>
diff --git a/tools/testing/radix-tree/test.c b/tools/testing/radix-tree/test.c
index 1a257d738a1e..5978ab1f403d 100644
--- a/tools/testing/radix-tree/test.c
+++ b/tools/testing/radix-tree/test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <assert.h>
 #include <stdio.h>
diff --git a/tools/testing/radix-tree/test.h b/tools/testing/radix-tree/test.h
index 0f8220cc6166..d9c031dbeb1a 100644
--- a/tools/testing/radix-tree/test.h
+++ b/tools/testing/radix-tree/test.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/gfp.h>
 #include <linux/types.h>
 #include <linux/radix-tree.h>
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index ff805643b5f7..3c9c0bbe7dbb 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TARGETS =  bpf
 TARGETS += breakpoints
 TARGETS += capabilities
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index f4b23d697448..eab7644a07b4 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 LIBDIR := ../../../lib
 BPFDIR := $(LIBDIR)/bpf
 APIDIR := ../../../include/uapi
diff --git a/tools/testing/selftests/bpf/bpf_endian.h b/tools/testing/selftests/bpf/bpf_endian.h
index 74af266aa512..b25595ea4a78 100644
--- a/tools/testing/selftests/bpf/bpf_endian.h
+++ b/tools/testing/selftests/bpf/bpf_endian.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BPF_ENDIAN__
 #define __BPF_ENDIAN__
 
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index b2e02bdcd098..50353c10573c 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BPF_HELPERS_H
 #define __BPF_HELPERS_H
 
diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h
index 6c53a8906eff..d0811b3d6a6f 100644
--- a/tools/testing/selftests/bpf/bpf_util.h
+++ b/tools/testing/selftests/bpf/bpf_util.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BPF_UTIL__
 #define __BPF_UTIL__
 
diff --git a/tools/testing/selftests/bpf/include/uapi/linux/types.h b/tools/testing/selftests/bpf/include/uapi/linux/types.h
index 51841848fbfe..91fa51a9c31d 100644
--- a/tools/testing/selftests/bpf/include/uapi/linux/types.h
+++ b/tools/testing/selftests/bpf/include/uapi/linux/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _UAPI_LINUX_TYPES_H
 #define _UAPI_LINUX_TYPES_H
 
diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh
index 6d58cca8e235..ed4774d8d6ed 100755
--- a/tools/testing/selftests/bpf/test_kmod.sh
+++ b/tools/testing/selftests/bpf/test_kmod.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 SRC_TREE=../../../../
 
diff --git a/tools/testing/selftests/bpf/test_lpm_map.c b/tools/testing/selftests/bpf/test_lpm_map.c
index e97565243d59..f93a333cbf2c 100644
--- a/tools/testing/selftests/bpf/test_lpm_map.c
+++ b/tools/testing/selftests/bpf/test_lpm_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Randomized tests for eBPF longest-prefix-match maps
  *
diff --git a/tools/testing/selftests/bpf/test_tag.c b/tools/testing/selftests/bpf/test_tag.c
index de409fc50c35..8b201895c569 100644
--- a/tools/testing/selftests/bpf/test_tag.c
+++ b/tools/testing/selftests/bpf/test_tag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/testing/selftests/breakpoints/Makefile b/tools/testing/selftests/breakpoints/Makefile
index 247b0a1899d7..9ec2c78de8ca 100644
--- a/tools/testing/selftests/breakpoints/Makefile
+++ b/tools/testing/selftests/breakpoints/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Taken from perf makefile
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/tools/testing/selftests/capabilities/Makefile b/tools/testing/selftests/capabilities/Makefile
index 29b8adfdac71..6e9d98d457d5 100644
--- a/tools/testing/selftests/capabilities/Makefile
+++ b/tools/testing/selftests/capabilities/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_FILES := validate_cap
 TEST_GEN_PROGS := test_execve
 
diff --git a/tools/testing/selftests/capabilities/test_execve.c b/tools/testing/selftests/capabilities/test_execve.c
index cf6778441381..3ab39a61b95b 100644
--- a/tools/testing/selftests/capabilities/test_execve.c
+++ b/tools/testing/selftests/capabilities/test_execve.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 
 #include <cap-ng.h>
diff --git a/tools/testing/selftests/capabilities/validate_cap.c b/tools/testing/selftests/capabilities/validate_cap.c
index 694cd73d4493..cdfc94268fe6 100644
--- a/tools/testing/selftests/capabilities/validate_cap.c
+++ b/tools/testing/selftests/capabilities/validate_cap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <cap-ng.h>
 #include <linux/capability.h>
 #include <stdbool.h>
diff --git a/tools/testing/selftests/cpu-hotplug/Makefile b/tools/testing/selftests/cpu-hotplug/Makefile
index fe1f99101c5d..d8be047ee5b6 100644
--- a/tools/testing/selftests/cpu-hotplug/Makefile
+++ b/tools/testing/selftests/cpu-hotplug/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 TEST_PROGS := cpu-on-off-test.sh
diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
index b18b253d7bfb..f3a8933c1275 100755
--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 SYSFS=
 
diff --git a/tools/testing/selftests/cpufreq/Makefile b/tools/testing/selftests/cpufreq/Makefile
index 3955cd96f3a2..c86ca8342222 100644
--- a/tools/testing/selftests/cpufreq/Makefile
+++ b/tools/testing/selftests/cpufreq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 TEST_PROGS := main.sh
diff --git a/tools/testing/selftests/cpufreq/cpu.sh b/tools/testing/selftests/cpufreq/cpu.sh
index 8e08a83d65f2..39fdcdfb8e97 100755
--- a/tools/testing/selftests/cpufreq/cpu.sh
+++ b/tools/testing/selftests/cpufreq/cpu.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # CPU helpers
 
diff --git a/tools/testing/selftests/cpufreq/cpufreq.sh b/tools/testing/selftests/cpufreq/cpufreq.sh
index 1ed3832030b4..b583a2fb4504 100755
--- a/tools/testing/selftests/cpufreq/cpufreq.sh
+++ b/tools/testing/selftests/cpufreq/cpufreq.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 # protect against multiple inclusion
 if [ $FILE_CPUFREQ ]; then
diff --git a/tools/testing/selftests/cpufreq/governor.sh b/tools/testing/selftests/cpufreq/governor.sh
index def645103555..fe37df79c087 100755
--- a/tools/testing/selftests/cpufreq/governor.sh
+++ b/tools/testing/selftests/cpufreq/governor.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Test governors
 
diff --git a/tools/testing/selftests/cpufreq/main.sh b/tools/testing/selftests/cpufreq/main.sh
index 01bac76ac0ec..d83922de9d89 100755
--- a/tools/testing/selftests/cpufreq/main.sh
+++ b/tools/testing/selftests/cpufreq/main.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 source cpu.sh
 source cpufreq.sh
diff --git a/tools/testing/selftests/cpufreq/module.sh b/tools/testing/selftests/cpufreq/module.sh
index 8ff2244a33a1..22563cd122e7 100755
--- a/tools/testing/selftests/cpufreq/module.sh
+++ b/tools/testing/selftests/cpufreq/module.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Modules specific tests cases
 
diff --git a/tools/testing/selftests/cpufreq/special-tests.sh b/tools/testing/selftests/cpufreq/special-tests.sh
index 58b730f23ef7..8d40505dc468 100755
--- a/tools/testing/selftests/cpufreq/special-tests.sh
+++ b/tools/testing/selftests/cpufreq/special-tests.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Special test cases reported by people
 
diff --git a/tools/testing/selftests/drivers/gpu/drm_mm.sh b/tools/testing/selftests/drivers/gpu/drm_mm.sh
index 96dd55c92799..b789dc8257e6 100755
--- a/tools/testing/selftests/drivers/gpu/drm_mm.sh
+++ b/tools/testing/selftests/drivers/gpu/drm_mm.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs API tests for struct drm_mm (DRM range manager)
 
 if ! /sbin/modprobe -n -q test-drm_mm; then
diff --git a/tools/testing/selftests/drivers/gpu/i915.sh b/tools/testing/selftests/drivers/gpu/i915.sh
index c06d6e8a8dcc..d3895bc714b7 100755
--- a/tools/testing/selftests/drivers/gpu/i915.sh
+++ b/tools/testing/selftests/drivers/gpu/i915.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs hardware independent tests for i915 (drivers/gpu/drm/i915)
 
 if ! /sbin/modprobe -q -r i915; then
diff --git a/tools/testing/selftests/efivarfs/create-read.c b/tools/testing/selftests/efivarfs/create-read.c
index 7feef1880968..9674a19396a3 100644
--- a/tools/testing/selftests/efivarfs/create-read.c
+++ b/tools/testing/selftests/efivarfs/create-read.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index 057278448515..c6d5790575ae 100755
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 efivarfs_mount=/sys/firmware/efi/efivars
 test_guid=210be57c-9849-4fc7-a635-e6382d1aec27
diff --git a/tools/testing/selftests/efivarfs/open-unlink.c b/tools/testing/selftests/efivarfs/open-unlink.c
index 4af74f733036..562742d44ac9 100644
--- a/tools/testing/selftests/efivarfs/open-unlink.c
+++ b/tools/testing/selftests/efivarfs/open-unlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <stdio.h>
 #include <stdint.h>
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index 2e13035dff7f..427c41ba5151 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS = -Wall
 
 TEST_GEN_PROGS := execveat
diff --git a/tools/testing/selftests/filesystems/Makefile b/tools/testing/selftests/filesystems/Makefile
index 0ab11307b414..13a73bf725b5 100644
--- a/tools/testing/selftests/filesystems/Makefile
+++ b/tools/testing/selftests/filesystems/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := dnotify_test
 all: $(TEST_PROGS)
 
diff --git a/tools/testing/selftests/filesystems/dnotify_test.c b/tools/testing/selftests/filesystems/dnotify_test.c
index 8b37b4a1e18d..c0a9b2d3302d 100644
--- a/tools/testing/selftests/filesystems/dnotify_test.c
+++ b/tools/testing/selftests/filesystems/dnotify_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE	/* needed to get the defines */
 #include <fcntl.h>	/* in glibc 2.2 this has the needed
 				   values defined */
diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh
index 8f511035f783..a52a3bab532b 100755
--- a/tools/testing/selftests/firmware/fw_fallback.sh
+++ b/tools/testing/selftests/firmware/fw_fallback.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # This validates that the kernel will fall back to using the fallback mechanism
 # to load firmware it can't find on disk itself. We must request a firmware
 # that the kernel won't find, and any installed helper (e.g. udev) also
diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh
index 7d8fd2e3695a..62f2d6f54929 100755
--- a/tools/testing/selftests/firmware/fw_filesystem.sh
+++ b/tools/testing/selftests/firmware/fw_filesystem.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # This validates that the kernel will load firmware out of its list of
 # firmware locations on disk. Since the user helper does similar work,
 # we reset the custom load directory to a location the user helper doesn't
diff --git a/tools/testing/selftests/ftrace/Makefile b/tools/testing/selftests/ftrace/Makefile
index a8a5e21850e7..cd1f5b3a7774 100644
--- a/tools/testing/selftests/ftrace/Makefile
+++ b/tools/testing/selftests/ftrace/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 TEST_PROGS := ftracetest
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/basic2.tc b/tools/testing/selftests/ftrace/test.d/00basic/basic2.tc
index ebfce83f35b4..531e472362df 100644
--- a/tools/testing/selftests/ftrace/test.d/00basic/basic2.tc
+++ b/tools/testing/selftests/ftrace/test.d/00basic/basic2.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Basic test for tracers
 # flags: instance
 test -f available_tracers
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/basic3.tc b/tools/testing/selftests/ftrace/test.d/00basic/basic3.tc
index 9e33f841812f..58a2506f788e 100644
--- a/tools/testing/selftests/ftrace/test.d/00basic/basic3.tc
+++ b/tools/testing/selftests/ftrace/test.d/00basic/basic3.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Basic trace clock test
 # flags: instance
 test -f trace_clock
diff --git a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
index 283b45ecb199..6ff851a75884 100644
--- a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event tracing - enable/disable with event level files
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
index 96c1a95be4f7..cc14feec6e1f 100644
--- a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event tracing - restricts events based on pid
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
index b8fe2e5b9e67..85094904aa79 100644
--- a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event tracing - enable/disable with subsystem level files
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc
index 15e2d3fe1731..cc1cf4d30ef5 100644
--- a/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event tracing - enable/disable with top level files
 
 do_reset() {
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
index 15c2dba06ea2..45df747887e0 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function graph filters with stack tracer
 
 # Make sure that function graph filtering works, and is not
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
index 0ab2189613ef..0387e22e7577 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function graph filters
 
 # Make sure that function graph filtering works
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
index 8095e122daa9..589d52b211b7 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function glob filters
 
 # Make sure that function glob matching filter works.
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
index bab5ff7c607e..78524fcc25ae 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function pid filters
 
 # Make sure that function pid matching filter works.
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index 77dfb6b48186..9d4afcca1e36 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - test for function event triggers
 # flags: instance
 #
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
index 7808336d6f50..fe0dc5a7ea26 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function profiler with function tracing
 
 # There was a bug after a rewrite of the ftrace infrastructure that
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
index 113b4d9bc733..5ad723724adb 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - test reading of set_ftrace_filter
 #
 # The set_ftrace_filter file of ftrace is used to list functions as well as
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
index 7a9ab4ff83b6..cdc92a371cd7 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - test for function traceon/off triggers
 # flags: instance
 #
diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
index 8a353314dc9b..d7f48b55df51 100644
--- a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
+++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Test creation and deletion of trace instances while setting an event
 
 if [ ! -d instances ] ; then
diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance.tc b/tools/testing/selftests/ftrace/test.d/instances/instance.tc
index 1e1abe0ad354..ddda62203366 100644
--- a/tools/testing/selftests/ftrace/test.d/instances/instance.tc
+++ b/tools/testing/selftests/ftrace/test.d/instances/instance.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Test creation and deletion of trace instances
 
 if [ ! -d instances ] ; then
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
index c3843ed49bf6..4604d2103c89 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event - adding and removing
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
index 74507db8bbc8..0e6f415c6152 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event - busy event check
 
 [ -f kprobe_events ] || exit_unsupported
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
index 64949d4eda69..679bbd23bcc3 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event with arguments
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
index c75faefb4fff..17d33ba192f6 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobes event arguments with types
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc
index b9302cc82c12..2724a1068cb1 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe event auto/manual naming
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
index d6f2f4965697..cc4cac0e60f2 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event with function tracer
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
index 6d634e4b7680..1e9f75f7a30f 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event - probing module
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
index 0d09546258fd..f1825bdbe3f3 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kretprobe dynamic event with arguments
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc
index 7ec6f2639ad6..7c0290684c43 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Kretprobe dynamic event with maxactive
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
index a4fd4c851a5b..bb16cf91f1b5 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: Register/unregister many kprobe events
 
 [ -f kprobe_events ] || exit_unsupported # this is configurable
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
index c5435adfdd93..839ac4320b24 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test event enable/disable trigger
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
index 48849a8d577f..66873c4b12c9 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test trigger filter
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
index b7f86d10b549..4237b32769f1 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test histogram modifiers
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
index fb66f7d9339d..d24e2b8bd863 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test histogram trigger
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
index f9153087dd7c..4c0774fff378 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test multiple histogram triggers
 # flags: instance
 
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
index ed94f0c4e0e4..3fc6321e081f 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test snapshot-trigger
 
 do_reset() {
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
index 9fa23b085def..3652824f81ed 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test stacktrace-trigger
 
 do_reset() {
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
index 87648e5f987c..6d9051cdf408 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test traceon/off trigger
 
 do_reset() {
diff --git a/tools/testing/selftests/futex/Makefile b/tools/testing/selftests/futex/Makefile
index f0c0369ccb79..cea4adcd42b8 100644
--- a/tools/testing/selftests/futex/Makefile
+++ b/tools/testing/selftests/futex/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 SUBDIRS := functional
 
 TEST_PROGS := run.sh
diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index a648e7a6cbc3..ff8feca49746 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 INCLUDES := -I../include -I../../
 CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES)
 LDFLAGS := $(LDFLAGS) -pthread -lrt
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 298929df97e6..1bbb47565c55 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 TEST_PROGS := gpio-mockup.sh
 TEST_FILES := gpio-mockup-sysfs.sh $(BINARIES)
diff --git a/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh b/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
index 085d7a39899c..dd269d877562 100755
--- a/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
+++ b/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
@@ -1,4 +1,5 @@
 
+# SPDX-License-Identifier: GPL-2.0
 is_consistent()
 {
 	val=
diff --git a/tools/testing/selftests/gpio/gpio-mockup.sh b/tools/testing/selftests/gpio/gpio-mockup.sh
index b183439e058e..183fb932edbd 100755
--- a/tools/testing/selftests/gpio/gpio-mockup.sh
+++ b/tools/testing/selftests/gpio/gpio-mockup.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 #exit status
 #1: run as non-root user
diff --git a/tools/testing/selftests/ia64/Makefile b/tools/testing/selftests/ia64/Makefile
index 2b3de2d3e945..4bce1a84b3a1 100644
--- a/tools/testing/selftests/ia64/Makefile
+++ b/tools/testing/selftests/ia64/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := aliasing-test
 
 all: $(TEST_PROGS)
diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile
index a97e24edde39..5a3f7d37e912 100644
--- a/tools/testing/selftests/intel_pstate/Makefile
+++ b/tools/testing/selftests/intel_pstate/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
 LDLIBS := $(LDLIBS) -lm
 
diff --git a/tools/testing/selftests/intel_pstate/aperf.c b/tools/testing/selftests/intel_pstate/aperf.c
index cd72f3dc83e9..d21edea9c560 100644
--- a/tools/testing/selftests/intel_pstate/aperf.c
+++ b/tools/testing/selftests/intel_pstate/aperf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <math.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/intel_pstate/msr.c b/tools/testing/selftests/intel_pstate/msr.c
index abbbfc84d359..88fdd2a4b0a0 100644
--- a/tools/testing/selftests/intel_pstate/msr.c
+++ b/tools/testing/selftests/intel_pstate/msr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <math.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh
index d3ab48f91cd6..c670359becc6 100755
--- a/tools/testing/selftests/intel_pstate/run.sh
+++ b/tools/testing/selftests/intel_pstate/run.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # This test runs on Intel x86 based hardware which support the intel_pstate
 # driver.  The test checks the frequency settings from the maximum turbo
diff --git a/tools/testing/selftests/ipc/Makefile b/tools/testing/selftests/ipc/Makefile
index 30ef4c7f53ea..1c4448a843a4 100644
--- a/tools/testing/selftests/ipc/Makefile
+++ b/tools/testing/selftests/ipc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
 ifeq ($(ARCH),i386)
diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c
index 1b2ce334bb3f..ee9382bdfadc 100644
--- a/tools/testing/selftests/ipc/msgque.c
+++ b/tools/testing/selftests/ipc/msgque.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c
index 73684c4a1ed6..6ea7b9f37a41 100644
--- a/tools/testing/selftests/kcmp/kcmp_test.c
+++ b/tools/testing/selftests/kcmp/kcmp_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 
 #include <stdio.h>
diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh
index b073c22a3435..4dee4d2a8bbe 100755
--- a/tools/testing/selftests/lib/bitmap.sh
+++ b/tools/testing/selftests/lib/bitmap.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs bitmap infrastructure tests using test_bitmap kernel module
 if ! /sbin/modprobe -q -n test_bitmap; then
 	echo "bitmap: [SKIP]"
diff --git a/tools/testing/selftests/lib/prime_numbers.sh b/tools/testing/selftests/lib/prime_numbers.sh
index da4cbcd766f5..b363994e5e11 100755
--- a/tools/testing/selftests/lib/prime_numbers.sh
+++ b/tools/testing/selftests/lib/prime_numbers.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Checks fast/slow prime_number generation for inconsistencies
 
 if ! /sbin/modprobe -q -r prime_numbers; then
diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
index cbf3b124bd94..0c37377fd7d4 100755
--- a/tools/testing/selftests/lib/printf.sh
+++ b/tools/testing/selftests/lib/printf.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs printf infrastructure using test_printf kernel module
 if ! /sbin/modprobe -q -n test_printf; then
 	echo "printf: [SKIP]"
diff --git a/tools/testing/selftests/locking/ww_mutex.sh b/tools/testing/selftests/locking/ww_mutex.sh
index 6905da965f3b..2c3d6b1878c2 100644
--- a/tools/testing/selftests/locking/ww_mutex.sh
+++ b/tools/testing/selftests/locking/ww_mutex.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs API tests for struct ww_mutex (Wait/Wound mutexes)
 
 if /sbin/modprobe -q test-ww_mutex; then
diff --git a/tools/testing/selftests/media_tests/Makefile b/tools/testing/selftests/media_tests/Makefile
index 6b34a0199468..be5bd4ffb895 100644
--- a/tools/testing/selftests/media_tests/Makefile
+++ b/tools/testing/selftests/media_tests/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := media_device_test media_device_open video_device_test
 all: $(TEST_PROGS)
 
diff --git a/tools/testing/selftests/media_tests/bind_unbind_sample.sh b/tools/testing/selftests/media_tests/bind_unbind_sample.sh
index 9f362f10631a..0101c1ec4ff7 100755
--- a/tools/testing/selftests/media_tests/bind_unbind_sample.sh
+++ b/tools/testing/selftests/media_tests/bind_unbind_sample.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 # Find device number in /sys/bus/usb/drivers/drivername
 # Edit this file to update the driver numer and name
 # Example test for uvcvideo driver
diff --git a/tools/testing/selftests/media_tests/open_loop_test.sh b/tools/testing/selftests/media_tests/open_loop_test.sh
index dcd3c17efc17..d4c0179bbe2c 100755
--- a/tools/testing/selftests/media_tests/open_loop_test.sh
+++ b/tools/testing/selftests/media_tests/open_loop_test.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
  i=0
 file=/dev/media$1
  while :; do
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c
index 21399fcf1a59..9e674d9514d1 100644
--- a/tools/testing/selftests/membarrier/membarrier_test.c
+++ b/tools/testing/selftests/membarrier/membarrier_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <linux/membarrier.h>
 #include <syscall.h>
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index bc9d02d615da..3926a0409dda 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -D_FILE_OFFSET_BITS=64
 CFLAGS += -I../../../../include/uapi/
 CFLAGS += -I../../../../include/
diff --git a/tools/testing/selftests/memfd/fuse_mnt.c b/tools/testing/selftests/memfd/fuse_mnt.c
index feacf1280fcd..6936f2a001f3 100644
--- a/tools/testing/selftests/memfd/fuse_mnt.c
+++ b/tools/testing/selftests/memfd/fuse_mnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * memfd test file-system
  * This file uses FUSE to create a dummy file-system with only one file /memfd.
diff --git a/tools/testing/selftests/memfd/fuse_test.c b/tools/testing/selftests/memfd/fuse_test.c
index 7f3617274bf5..1ccb7a3eb14b 100644
--- a/tools/testing/selftests/memfd/fuse_test.c
+++ b/tools/testing/selftests/memfd/fuse_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * memfd GUP test-case
  * This tests memfd interactions with get_user_pages(). We require the
diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index f94c6d1fb46f..845e5f67b6f0 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #define __EXPORTED_HEADERS__
 
diff --git a/tools/testing/selftests/memfd/run_fuse_test.sh b/tools/testing/selftests/memfd/run_fuse_test.sh
index 69b930e1e041..407df68dfe27 100755
--- a/tools/testing/selftests/memfd/run_fuse_test.sh
+++ b/tools/testing/selftests/memfd/run_fuse_test.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if test -d "./mnt" ; then
 	fusermount -u ./mnt
diff --git a/tools/testing/selftests/memory-hotplug/Makefile b/tools/testing/selftests/memory-hotplug/Makefile
index afb2624c7048..23db11c94b59 100644
--- a/tools/testing/selftests/memory-hotplug/Makefile
+++ b/tools/testing/selftests/memory-hotplug/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 include ../lib.mk
diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
index 35025ce9ca66..ae2c790d0880 100755
--- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
+++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 
 SYSFS=
 
diff --git a/tools/testing/selftests/mount/Makefile b/tools/testing/selftests/mount/Makefile
index 9093d7ffe87f..e094f71c6dbc 100644
--- a/tools/testing/selftests/mount/Makefile
+++ b/tools/testing/selftests/mount/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for mount selftests.
 CFLAGS = -Wall \
          -O2
diff --git a/tools/testing/selftests/mount/unprivileged-remount-test.c b/tools/testing/selftests/mount/unprivileged-remount-test.c
index 517785052f1c..584dc6bc3b06 100644
--- a/tools/testing/selftests/mount/unprivileged-remount-test.c
+++ b/tools/testing/selftests/mount/unprivileged-remount-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <sched.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/mqueue/Makefile b/tools/testing/selftests/mqueue/Makefile
index 152823b6cb21..743d3f9e5918 100644
--- a/tools/testing/selftests/mqueue/Makefile
+++ b/tools/testing/selftests/mqueue/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -O2
 LDLIBS = -lrt -lpthread -lpopt
 TEST_GEN_PROGS := mq_open_tests mq_perf_tests
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index d86bca991f45..500c74db746c 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for net selftests
 
 CFLAGS =  -Wall -Wl,--no-as-needed -O2 -g
diff --git a/tools/testing/selftests/net/netdevice.sh b/tools/testing/selftests/net/netdevice.sh
index 90cb903c3381..903679e0ff31 100755
--- a/tools/testing/selftests/net/netdevice.sh
+++ b/tools/testing/selftests/net/netdevice.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # This test is for checking network interface
 # For the moment it tests only ethernet interface (but wifi could be easily added)
diff --git a/tools/testing/selftests/net/reuseport_bpf_cpu.c b/tools/testing/selftests/net/reuseport_bpf_cpu.c
index b23d6f54de7b..2d646174729f 100644
--- a/tools/testing/selftests/net/reuseport_bpf_cpu.c
+++ b/tools/testing/selftests/net/reuseport_bpf_cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Test functionality of BPF filters with SO_REUSEPORT.  This program creates
  * an SO_REUSEPORT receiver group containing one socket per CPU core. It then
diff --git a/tools/testing/selftests/net/reuseport_bpf_numa.c b/tools/testing/selftests/net/reuseport_bpf_numa.c
index 6f20bc9ff627..365c32e84189 100644
--- a/tools/testing/selftests/net/reuseport_bpf_numa.c
+++ b/tools/testing/selftests/net/reuseport_bpf_numa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Test functionality of BPF filters with SO_REUSEPORT. Same test as
  * in reuseport_bpf_cpu, only as one socket per NUMA node.
diff --git a/tools/testing/selftests/net/reuseport_dualstack.c b/tools/testing/selftests/net/reuseport_dualstack.c
index 90958aaaafb9..fe3230c55986 100644
--- a/tools/testing/selftests/net/reuseport_dualstack.c
+++ b/tools/testing/selftests/net/reuseport_dualstack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * It is possible to use SO_REUSEPORT to open multiple sockets bound to
  * equivalent local addresses using AF_INET and AF_INET6 at the same time.  If
diff --git a/tools/testing/selftests/net/run_afpackettests b/tools/testing/selftests/net/run_afpackettests
index 5246e782d6e8..21fe149e3de1 100755
--- a/tools/testing/selftests/net/run_afpackettests
+++ b/tools/testing/selftests/net/run_afpackettests
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if [ $(id -u) != 0 ]; then
 	echo $msg must be run as root >&2
diff --git a/tools/testing/selftests/net/run_netsocktests b/tools/testing/selftests/net/run_netsocktests
index 16058bbea7a8..b093f39c298c 100755
--- a/tools/testing/selftests/net/run_netsocktests
+++ b/tools/testing/selftests/net/run_netsocktests
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 echo "--------------------"
 echo "running socket test"
diff --git a/tools/testing/selftests/net/socket.c b/tools/testing/selftests/net/socket.c
index 0f227f2f9be9..afca1ead677f 100644
--- a/tools/testing/selftests/net/socket.c
+++ b/tools/testing/selftests/net/socket.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <errno.h>
 #include <unistd.h>
diff --git a/tools/testing/selftests/net/test_bpf.sh b/tools/testing/selftests/net/test_bpf.sh
index 8b29796d46aa..65677909c574 100755
--- a/tools/testing/selftests/net/test_bpf.sh
+++ b/tools/testing/selftests/net/test_bpf.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs bpf test using test_bpf kernel module
 
 if /sbin/modprobe -q test_bpf ; then
diff --git a/tools/testing/selftests/networking/timestamping/Makefile b/tools/testing/selftests/networking/timestamping/Makefile
index 92fb8ee917c5..a728040edbe1 100644
--- a/tools/testing/selftests/networking/timestamping/Makefile
+++ b/tools/testing/selftests/networking/timestamping/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -I../../../../../usr/include
 
 TEST_PROGS := hwtstamp_config rxtimestamp timestamping txtimestamp
diff --git a/tools/testing/selftests/networking/timestamping/hwtstamp_config.c b/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
index e8b685a7f15f..e1fdee841021 100644
--- a/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
+++ b/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Test program for SIOC{G,S}HWTSTAMP
  * Copyright 2013 Solarflare Communications
  * Author: Ben Hutchings
diff --git a/tools/testing/selftests/nsfs/owner.c b/tools/testing/selftests/nsfs/owner.c
index 437205f8b714..96a976c74550 100644
--- a/tools/testing/selftests/nsfs/owner.c
+++ b/tools/testing/selftests/nsfs/owner.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <sched.h>
 #include <unistd.h>
diff --git a/tools/testing/selftests/nsfs/pidns.c b/tools/testing/selftests/nsfs/pidns.c
index ae3a0d68e966..1182d4e437a2 100644
--- a/tools/testing/selftests/nsfs/pidns.c
+++ b/tools/testing/selftests/nsfs/pidns.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <sched.h>
 #include <unistd.h>
diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index 72c3ac2323e1..f6b1338730db 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for powerpc selftests
 
 # ARCH can be overridden by the user for cross compiling
diff --git a/tools/testing/selftests/powerpc/benchmarks/Makefile b/tools/testing/selftests/powerpc/benchmarks/Makefile
index fb96a89bd953..a35058e3766c 100644
--- a/tools/testing/selftests/powerpc/benchmarks/Makefile
+++ b/tools/testing/selftests/powerpc/benchmarks/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := gettimeofday context_switch mmap_bench futex_bench null_syscall
 
 CFLAGS += -O2
diff --git a/tools/testing/selftests/powerpc/cache_shape/Makefile b/tools/testing/selftests/powerpc/cache_shape/Makefile
index b24485ab30e2..1be547434a49 100644
--- a/tools/testing/selftests/powerpc/cache_shape/Makefile
+++ b/tools/testing/selftests/powerpc/cache_shape/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := cache_shape
 
 all: $(TEST_PROGS)
diff --git a/tools/testing/selftests/powerpc/copyloops/Makefile b/tools/testing/selftests/powerpc/copyloops/Makefile
index 681ab19d0a84..ac4a52e19e59 100644
--- a/tools/testing/selftests/powerpc/copyloops/Makefile
+++ b/tools/testing/selftests/powerpc/copyloops/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # The loops are all 64-bit code
 CFLAGS += -m64
 CFLAGS += -I$(CURDIR)
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/export.h b/tools/testing/selftests/powerpc/copyloops/asm/export.h
index 2d14a9b4248c..0bab35f6777a 100644
--- a/tools/testing/selftests/powerpc/copyloops/asm/export.h
+++ b/tools/testing/selftests/powerpc/copyloops/asm/export.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define EXPORT_SYMBOL(x)
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
index 80d34a9ffff4..5ffe04d802c9 100644
--- a/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <ppc-asm.h>
 
 #define CONFIG_ALTIVEC
diff --git a/tools/testing/selftests/powerpc/copyloops/validate.c b/tools/testing/selftests/powerpc/copyloops/validate.c
index 7fb436f82d16..0f6873618552 100644
--- a/tools/testing/selftests/powerpc/copyloops/validate.c
+++ b/tools/testing/selftests/powerpc/copyloops/validate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <malloc.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/tools/testing/selftests/powerpc/dscr/Makefile b/tools/testing/selftests/powerpc/dscr/Makefile
index c5639deb8887..55d7db7a616b 100644
--- a/tools/testing/selftests/powerpc/dscr/Makefile
+++ b/tools/testing/selftests/powerpc/dscr/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := dscr_default_test dscr_explicit_test dscr_user_test	\
 	      dscr_inherit_test dscr_inherit_exec_test dscr_sysfs_test	\
 	      dscr_sysfs_thread_test
diff --git a/tools/testing/selftests/powerpc/include/basic_asm.h b/tools/testing/selftests/powerpc/include/basic_asm.h
index 12eaddf72e66..886dc026fe7a 100644
--- a/tools/testing/selftests/powerpc/include/basic_asm.h
+++ b/tools/testing/selftests/powerpc/include/basic_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SELFTESTS_POWERPC_BASIC_ASM_H
 #define _SELFTESTS_POWERPC_BASIC_ASM_H
 
diff --git a/tools/testing/selftests/powerpc/include/instructions.h b/tools/testing/selftests/powerpc/include/instructions.h
index 0fb0bd3b28c9..f36061eb6f0f 100644
--- a/tools/testing/selftests/powerpc/include/instructions.h
+++ b/tools/testing/selftests/powerpc/include/instructions.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SELFTESTS_POWERPC_INSTRUCTIONS_H
 #define _SELFTESTS_POWERPC_INSTRUCTIONS_H
 
diff --git a/tools/testing/selftests/powerpc/math/Makefile b/tools/testing/selftests/powerpc/math/Makefile
index fa8bae920c91..0dd3a01fdab9 100644
--- a/tools/testing/selftests/powerpc/math/Makefile
+++ b/tools/testing/selftests/powerpc/math/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := fpu_syscall fpu_preempt fpu_signal vmx_syscall vmx_preempt vmx_signal vsx_preempt
 
 include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile
index 1cffe54dccfb..bf315bcbe663 100644
--- a/tools/testing/selftests/powerpc/mm/Makefile
+++ b/tools/testing/selftests/powerpc/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 noarg:
 	$(MAKE) -C ../
 
diff --git a/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c b/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c
index 49003674de4f..9932359ce38f 100644
--- a/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c
+++ b/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <sys/mman.h>
 #include <unistd.h>
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile
index e4e55d1d3e0f..6e1629bf5b09 100644
--- a/tools/testing/selftests/powerpc/pmu/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 noarg:
 	$(MAKE) -C ../
 
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index 6001fb0a377a..c4e64bc2e265 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 noarg:
 	$(MAKE) -C ../../
 
diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile b/tools/testing/selftests/powerpc/ptrace/Makefile
index 8932263e5a74..480305266504 100644
--- a/tools/testing/selftests/powerpc/ptrace/Makefile
+++ b/tools/testing/selftests/powerpc/ptrace/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := ptrace-gpr ptrace-tm-gpr ptrace-tm-spd-gpr \
               ptrace-tar ptrace-tm-tar ptrace-tm-spd-tar ptrace-vsx ptrace-tm-vsx \
               ptrace-tm-spd-vsx ptrace-tm-spr
diff --git a/tools/testing/selftests/powerpc/signal/Makefile b/tools/testing/selftests/powerpc/signal/Makefile
index f0eef27458e2..a7cbd5082e27 100644
--- a/tools/testing/selftests/powerpc/signal/Makefile
+++ b/tools/testing/selftests/powerpc/signal/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := signal signal_tm
 
 all: $(TEST_PROGS)
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 557b9379f3bb..1125e489055e 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # The loops are all 64-bit code
 CFLAGS += -m64
 CFLAGS += -I$(CURDIR)
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
index 11bece87e880..136242ec4b0e 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <ppc-asm.h>
 
 #ifndef r1
diff --git a/tools/testing/selftests/powerpc/stringloops/memcmp.c b/tools/testing/selftests/powerpc/stringloops/memcmp.c
index 30b1222380ca..8250db25b379 100644
--- a/tools/testing/selftests/powerpc/stringloops/memcmp.c
+++ b/tools/testing/selftests/powerpc/stringloops/memcmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <malloc.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/testing/selftests/powerpc/switch_endian/Makefile b/tools/testing/selftests/powerpc/switch_endian/Makefile
index b92c2a132c4f..30b8ff8fb82e 100644
--- a/tools/testing/selftests/powerpc/switch_endian/Makefile
+++ b/tools/testing/selftests/powerpc/switch_endian/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := switch_endian_test
 
 ASFLAGS += -O2 -Wall -g -nostdlib -m64
diff --git a/tools/testing/selftests/powerpc/switch_endian/check.S b/tools/testing/selftests/powerpc/switch_endian/check.S
index e2484d2c24f4..927a5c675e83 100644
--- a/tools/testing/selftests/powerpc/switch_endian/check.S
+++ b/tools/testing/selftests/powerpc/switch_endian/check.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "common.h"
 
 /*
diff --git a/tools/testing/selftests/powerpc/switch_endian/common.h b/tools/testing/selftests/powerpc/switch_endian/common.h
index 69e399698c64..1434cbc2a6ad 100644
--- a/tools/testing/selftests/powerpc/switch_endian/common.h
+++ b/tools/testing/selftests/powerpc/switch_endian/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <ppc-asm.h>
 #include <asm/unistd.h>
 
diff --git a/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S b/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S
index bceb53f57573..cc4930467235 100644
--- a/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S
+++ b/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "common.h"
 
 	.data
diff --git a/tools/testing/selftests/powerpc/syscalls/ipc.h b/tools/testing/selftests/powerpc/syscalls/ipc.h
index fbebc022edf6..26a20682c9a4 100644
--- a/tools/testing/selftests/powerpc/syscalls/ipc.h
+++ b/tools/testing/selftests/powerpc/syscalls/ipc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef __NR_semop
 DO_TEST(semop, __NR_semop)
 #endif
diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile
index 7bfcd454fb2a..fca7c7f5e640 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu \
 	tm-signal-context-chk-vmx tm-signal-context-chk-vsx
 
diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
index a7ac2e4c60d9..4cdb83964bb3 100644
--- a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
+++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Test context switching to see if the DSCR SPR is correctly preserved
  * when within a transaction.
  *
diff --git a/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
index 431f61ae2368..bd1ca25febe4 100644
--- a/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
+++ b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <ppc-asm.h>
 #include <asm/unistd.h>
 
diff --git a/tools/testing/selftests/powerpc/vphn/test-vphn.c b/tools/testing/selftests/powerpc/vphn/test-vphn.c
index 5742f6876b25..81d3069ffb84 100644
--- a/tools/testing/selftests/powerpc/vphn/test-vphn.c
+++ b/tools/testing/selftests/powerpc/vphn/test-vphn.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <byteswap.h>
 #include "utils.h"
diff --git a/tools/testing/selftests/prctl/Makefile b/tools/testing/selftests/prctl/Makefile
index 35aa1c8f2df2..c7923b205222 100644
--- a/tools/testing/selftests/prctl/Makefile
+++ b/tools/testing/selftests/prctl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef CROSS_COMPILE
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/tools/testing/selftests/prctl/disable-tsc-ctxt-sw-stress-test.c b/tools/testing/selftests/prctl/disable-tsc-ctxt-sw-stress-test.c
index f7499d1c0415..62a93cc61b7c 100644
--- a/tools/testing/selftests/prctl/disable-tsc-ctxt-sw-stress-test.c
+++ b/tools/testing/selftests/prctl/disable-tsc-ctxt-sw-stress-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tests for prctl(PR_GET_TSC, ...) / prctl(PR_SET_TSC, ...)
  *
diff --git a/tools/testing/selftests/prctl/disable-tsc-on-off-stress-test.c b/tools/testing/selftests/prctl/disable-tsc-on-off-stress-test.c
index a06f027e9d16..79950f9a26fd 100644
--- a/tools/testing/selftests/prctl/disable-tsc-on-off-stress-test.c
+++ b/tools/testing/selftests/prctl/disable-tsc-on-off-stress-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tests for prctl(PR_GET_TSC, ...) / prctl(PR_SET_TSC, ...)
  *
diff --git a/tools/testing/selftests/prctl/disable-tsc-test.c b/tools/testing/selftests/prctl/disable-tsc-test.c
index 8d494f7bebdb..f84d4ee111d3 100644
--- a/tools/testing/selftests/prctl/disable-tsc-test.c
+++ b/tools/testing/selftests/prctl/disable-tsc-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tests for prctl(PR_GET_TSC, ...) / prctl(PR_SET_TSC, ...)
  *
diff --git a/tools/testing/selftests/pstore/Makefile b/tools/testing/selftests/pstore/Makefile
index c5f2440ba1f7..5ef57855a2be 100644
--- a/tools/testing/selftests/pstore/Makefile
+++ b/tools/testing/selftests/pstore/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for pstore selftests.
 # Expects pstore backend is registered.
 
diff --git a/tools/testing/selftests/ptp/Makefile b/tools/testing/selftests/ptp/Makefile
index d4064c742c26..ef06de0898b7 100644
--- a/tools/testing/selftests/ptp/Makefile
+++ b/tools/testing/selftests/ptp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -I../../../../usr/include/
 TEST_PROGS := testptp
 LDLIBS += -lrt
diff --git a/tools/testing/selftests/ptrace/peeksiginfo.c b/tools/testing/selftests/ptrace/peeksiginfo.c
index c34cd8ac8aaa..54900657eb44 100644
--- a/tools/testing/selftests/ptrace/peeksiginfo.c
+++ b/tools/testing/selftests/ptrace/peeksiginfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <signal.h>
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/Makefile b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/Makefile
index 16b01559fa55..4bed0b678f8b 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/Makefile
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all: srcu.c store_buffering
 
 LINUX_SOURCE = ../../../../../..
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
index 4a3d538fef12..891ad13e95b2 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header has been modifies to remove definitions of types that
  * are defined in standard userspace headers or are problematic for some
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
index c9e8bc5082a7..e05182d3e47d 100755
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
@@ -1,4 +1,5 @@
 #!/usr/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
 
 # Modify SRCU for formal verification. The first argument should be srcu.h and
 # the second should be srcu.c. Outputs modified srcu.h and srcu.c into the
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/assume.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/assume.h
index a64955447995..570a49d9da7e 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/assume.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/assume.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASSUME_H
 #define ASSUME_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/barriers.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/barriers.h
index 6687acc08e6d..be3fdd351937 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/barriers.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/barriers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BARRIERS_H
 #define BARRIERS_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/bug_on.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/bug_on.h
index 2a80e91f78e7..5e7912c6a521 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/bug_on.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/bug_on.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BUG_ON_H
 #define BUG_ON_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/combined_source.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/combined_source.c
index 29eb5d2697ed..e67ee5b3dd7c 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/combined_source.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/combined_source.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <config.h>
 
 /* Include all source files. */
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/config.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/config.h
index a60038aeea7a..283d7103334f 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/config.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* "Cheater" definitions based on restricted Kconfig choices. */
 
 #undef CONFIG_TINY_RCU
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/include_srcu.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/include_srcu.c
index 5ec582a53018..e5202d4cff30 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/include_srcu.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/include_srcu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <config.h>
 
 #include <assert.h>
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/int_typedefs.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/int_typedefs.h
index 3aad63917858..0dd27aa517a7 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/int_typedefs.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/int_typedefs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef INT_TYPEDEFS_H
 #define INT_TYPEDEFS_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/locks.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/locks.h
index 356004665576..cf6938d679d7 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/locks.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/locks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LOCKS_H
 #define LOCKS_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/misc.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/misc.c
index ca892e3b2351..9440cc39e3c6 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/misc.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <config.h>
 
 #include "misc.h"
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/percpu.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/percpu.h
index 3de5a49de49b..27e67a3f291f 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/percpu.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/percpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PERCPU_H
 #define PERCPU_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.c
index 4f1b068e9b7a..b4083ae348fb 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <config.h>
 
 #include "preempt.h"
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.h
index 2f95ee0e4dd5..f8b762cd214c 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/preempt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PREEMPT_H
 #define PREEMPT_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/simple_sync_srcu.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/simple_sync_srcu.c
index ac9cbc62b411..97f592048e0b 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/simple_sync_srcu.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/simple_sync_srcu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <config.h>
 
 #include <assert.h>
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/workqueues.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/workqueues.h
index e58c8dfd3e90..28b960300971 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/workqueues.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/workqueues.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef WORKQUEUES_H
 #define WORKQUEUES_H
 
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/Makefile b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/Makefile
index 3a3aee149225..ad21b925fbb4 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/Makefile
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CBMC_FLAGS = -I../.. -I../../src -I../../include -I../../empty_includes -32 -pointer-check -mm pso
 
 all:
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/test.c b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/test.c
index 470b1105a112..2ce2016f7871 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/test.c
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/store_buffering/test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <src/combined_source.c>
 
 int x;
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/test_script.sh b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/test_script.sh
index d1545972a0fa..2fe1f0339b4f 100755
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/test_script.sh
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/tests/test_script.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 # This script expects a mode (either --should-pass or --should-fail) followed by
 # an input file. The script uses the following environment variables. The test C
diff --git a/tools/testing/selftests/seccomp/Makefile b/tools/testing/selftests/seccomp/Makefile
index 553d870b4ca9..fce7f4ce0692 100644
--- a/tools/testing/selftests/seccomp/Makefile
+++ b/tools/testing/selftests/seccomp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 include ../lib.mk
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index 97bb150837df..228c2ae47687 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Stas Sergeev <stsp@users.sourceforge.net>
  *
diff --git a/tools/testing/selftests/splice/Makefile b/tools/testing/selftests/splice/Makefile
index 7e1187e007fa..e519b159b60d 100644
--- a/tools/testing/selftests/splice/Makefile
+++ b/tools/testing/selftests/splice/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := default_file_splice_read.sh
 TEST_GEN_PROGS_EXTENDED := default_file_splice_read
 
diff --git a/tools/testing/selftests/splice/default_file_splice_read.c b/tools/testing/selftests/splice/default_file_splice_read.c
index 01dd6091554c..a3c6e5672e09 100644
--- a/tools/testing/selftests/splice/default_file_splice_read.c
+++ b/tools/testing/selftests/splice/default_file_splice_read.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <fcntl.h>
 
diff --git a/tools/testing/selftests/splice/default_file_splice_read.sh b/tools/testing/selftests/splice/default_file_splice_read.sh
index 1ea2adeabc94..490db5a2e435 100755
--- a/tools/testing/selftests/splice/default_file_splice_read.sh
+++ b/tools/testing/selftests/splice/default_file_splice_read.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 n=`./default_file_splice_read </dev/null | wc -c`
 
 test "$n" = 0 && exit 0
diff --git a/tools/testing/selftests/static_keys/test_static_keys.sh b/tools/testing/selftests/static_keys/test_static_keys.sh
index 1261e3fa1e3a..24cff498b31a 100755
--- a/tools/testing/selftests/static_keys/test_static_keys.sh
+++ b/tools/testing/selftests/static_keys/test_static_keys.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs static keys kernel module tests
 
 if /sbin/modprobe -q test_static_key_base; then
diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
index 8e04d0afcbd7..b3c8ba3cb668 100644
--- a/tools/testing/selftests/sync/Makefile
+++ b/tools/testing/selftests/sync/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -O2 -g -std=gnu89 -pthread -Wall -Wextra
 CFLAGS += -I../../../../usr/include/
 LDFLAGS += -pthread
diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index cd61b7844c0d..f8ccc7e0ab05 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
 
 """
 tdc.py - Linux tc (Traffic Control) unit test driver
diff --git a/tools/testing/selftests/tc-testing/tdc_config.py b/tools/testing/selftests/tc-testing/tdc_config.py
index 01087375a7c3..c56269c7cac8 100644
--- a/tools/testing/selftests/tc-testing/tdc_config.py
+++ b/tools/testing/selftests/tc-testing/tdc_config.py
@@ -1,4 +1,5 @@
 """
+# SPDX-License-Identifier: GPL-2.0
 tdc_config.py - tdc user-specified values
 
 Copyright (C) 2017 Lucas Bates <lucasb@mojatatu.com>
diff --git a/tools/testing/selftests/tc-testing/tdc_helper.py b/tools/testing/selftests/tc-testing/tdc_helper.py
index c3254f861fb2..ccf2d2458703 100644
--- a/tools/testing/selftests/tc-testing/tdc_helper.py
+++ b/tools/testing/selftests/tc-testing/tdc_helper.py
@@ -1,4 +1,5 @@
 """
+# SPDX-License-Identifier: GPL-2.0
 tdc_helper.py - tdc helper functions
 
 Copyright (C) 2017 Lucas Bates <lucasb@mojatatu.com>
diff --git a/tools/testing/selftests/timers/Makefile b/tools/testing/selftests/timers/Makefile
index ae4593115408..3496680981f2 100644
--- a/tools/testing/selftests/timers/Makefile
+++ b/tools/testing/selftests/timers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CFLAGS += -O3 -Wl,-no-as-needed -Wall
 LDFLAGS += -lrt -lpthread -lm
 
diff --git a/tools/testing/selftests/user/test_user_copy.sh b/tools/testing/selftests/user/test_user_copy.sh
index 350107f40c1d..d60506fc77f8 100755
--- a/tools/testing/selftests/user/test_user_copy.sh
+++ b/tools/testing/selftests/user/test_user_copy.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 # Runs copy_to/from_user infrastructure using test_user_copy kernel module
 
 if /sbin/modprobe -q test_user_copy; then
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index 706b68b1c372..3d5a62ff7d31 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 ifndef CROSS_COMPILE
 CFLAGS := -std=gnu99
 CFLAGS_vdso_standalone_test_x86 := -nostdlib -fno-asynchronous-unwind-tables -fno-stack-protector
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index cbb29e41ef2b..e49eca1915f8 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for vm selftests
 
 ifndef OUTPUT
diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c
index 6d1437f895b8..a65b016d4c13 100644
--- a/tools/testing/selftests/vm/compaction_test.c
+++ b/tools/testing/selftests/vm/compaction_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *
  * A test for the patch "Allow compaction of unevictable pages".
diff --git a/tools/testing/selftests/vm/hugepage-mmap.c b/tools/testing/selftests/vm/hugepage-mmap.c
index a10f310d2362..93f9e7b81331 100644
--- a/tools/testing/selftests/vm/hugepage-mmap.c
+++ b/tools/testing/selftests/vm/hugepage-mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * hugepage-mmap:
  *
diff --git a/tools/testing/selftests/vm/hugepage-shm.c b/tools/testing/selftests/vm/hugepage-shm.c
index 0d0ef4fc0c04..e2527f32005b 100644
--- a/tools/testing/selftests/vm/hugepage-shm.c
+++ b/tools/testing/selftests/vm/hugepage-shm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * hugepage-shm:
  *
diff --git a/tools/testing/selftests/vm/map_hugetlb.c b/tools/testing/selftests/vm/map_hugetlb.c
index 77687ab59f77..9b777fa95f09 100644
--- a/tools/testing/selftests/vm/map_hugetlb.c
+++ b/tools/testing/selftests/vm/map_hugetlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Example of using hugepage memory in a user application using the mmap
  * system call with MAP_HUGETLB flag.  Before running this program make
diff --git a/tools/testing/selftests/vm/mlock-random-test.c b/tools/testing/selftests/vm/mlock-random-test.c
index 83de4f58d262..ff4d72eb74b9 100644
--- a/tools/testing/selftests/vm/mlock-random-test.c
+++ b/tools/testing/selftests/vm/mlock-random-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * It tests the mlock/mlock2() when they are invoked
  * on randomly memory region.
diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index e5dbc87b4297..4997b9222cfa 100644
--- a/tools/testing/selftests/vm/mlock2-tests.c
+++ b/tools/testing/selftests/vm/mlock2-tests.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <sys/mman.h>
 #include <stdint.h>
diff --git a/tools/testing/selftests/vm/mlock2.h b/tools/testing/selftests/vm/mlock2.h
index 7ee062929d3e..2a6e76c226bc 100644
--- a/tools/testing/selftests/vm/mlock2.h
+++ b/tools/testing/selftests/vm/mlock2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <syscall.h>
 #include <errno.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/vm/on-fault-limit.c b/tools/testing/selftests/vm/on-fault-limit.c
index 7f96a5c2e292..634d87dfb2a4 100644
--- a/tools/testing/selftests/vm/on-fault-limit.c
+++ b/tools/testing/selftests/vm/on-fault-limit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/mman.h>
 #include <stdio.h>
 #include <unistd.h>
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index 07548a1fa901..cc826326de87 100755
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #please run as root
 
 #we need 256M, below is the size in kB
diff --git a/tools/testing/selftests/vm/thuge-gen.c b/tools/testing/selftests/vm/thuge-gen.c
index 88a2ab535e01..361ef7192cc6 100644
--- a/tools/testing/selftests/vm/thuge-gen.c
+++ b/tools/testing/selftests/vm/thuge-gen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Test selecting other page sizes for mmap/shmget.
 
    Before running this huge pages for each huge page size must have been
diff --git a/tools/testing/selftests/watchdog/Makefile b/tools/testing/selftests/watchdog/Makefile
index ee068511fd0b..6b5598b55252 100644
--- a/tools/testing/selftests/watchdog/Makefile
+++ b/tools/testing/selftests/watchdog/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := watchdog-test
 
 include ../lib.mk
diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c
index a1391be2dc1e..6e290874b70e 100644
--- a/tools/testing/selftests/watchdog/watchdog-test.c
+++ b/tools/testing/selftests/watchdog/watchdog-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Watchdog Driver Test Program
  */
diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index 0a74a20ca32b..7b1adeee4b0f 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 include ../lib.mk
diff --git a/tools/testing/selftests/x86/ioperm.c b/tools/testing/selftests/x86/ioperm.c
index b77313ba2ab1..01de41c1b725 100644
--- a/tools/testing/selftests/x86/ioperm.c
+++ b/tools/testing/selftests/x86/ioperm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ioperm.c - Test case for ioperm(2)
  * Copyright (c) 2015 Andrew Lutomirski
diff --git a/tools/testing/selftests/x86/iopl.c b/tools/testing/selftests/x86/iopl.c
index c496ca97bc18..6aa27f34644c 100644
--- a/tools/testing/selftests/x86/iopl.c
+++ b/tools/testing/selftests/x86/iopl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * iopl.c - Test case for a Linux on Xen 64-bit bug
  * Copyright (c) 2015 Andrew Lutomirski
diff --git a/tools/testing/selftests/x86/ldt_gdt.c b/tools/testing/selftests/x86/ldt_gdt.c
index b9a22f18566a..961e3ee26c27 100644
--- a/tools/testing/selftests/x86/ldt_gdt.c
+++ b/tools/testing/selftests/x86/ldt_gdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ldt_gdt.c - Test cases for LDT and GDT access
  * Copyright (c) 2015 Andrew Lutomirski
diff --git a/tools/testing/selftests/x86/mpx-debug.h b/tools/testing/selftests/x86/mpx-debug.h
index 9230981f2e12..7546eba7f17a 100644
--- a/tools/testing/selftests/x86/mpx-debug.h
+++ b/tools/testing/selftests/x86/mpx-debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MPX_DEBUG_H
 #define _MPX_DEBUG_H
 
diff --git a/tools/testing/selftests/x86/mpx-dig.c b/tools/testing/selftests/x86/mpx-dig.c
index ce85356d7e2e..c13607ef5c11 100644
--- a/tools/testing/selftests/x86/mpx-dig.c
+++ b/tools/testing/selftests/x86/mpx-dig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Written by Dave Hansen <dave.hansen@intel.com>
  */
diff --git a/tools/testing/selftests/x86/mpx-hw.h b/tools/testing/selftests/x86/mpx-hw.h
index 093c190178a9..3f0093911f03 100644
--- a/tools/testing/selftests/x86/mpx-hw.h
+++ b/tools/testing/selftests/x86/mpx-hw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MPX_HW_H
 #define _MPX_HW_H
 
diff --git a/tools/testing/selftests/x86/mpx-mm.h b/tools/testing/selftests/x86/mpx-mm.h
index af706a5398f7..6dbdd66b8242 100644
--- a/tools/testing/selftests/x86/mpx-mm.h
+++ b/tools/testing/selftests/x86/mpx-mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MPX_MM_H
 #define _MPX_MM_H
 
diff --git a/tools/testing/selftests/x86/pkey-helpers.h b/tools/testing/selftests/x86/pkey-helpers.h
index b20293956eec..3818f25391c2 100644
--- a/tools/testing/selftests/x86/pkey-helpers.h
+++ b/tools/testing/selftests/x86/pkey-helpers.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _PKEYS_HELPER_H
 #define _PKEYS_HELPER_H
 #define _GNU_SOURCE
diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 23927845518d..555e43ca846b 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tests x86 Memory Protection Keys (see Documentation/x86/protection-keys.txt)
  *
diff --git a/tools/testing/selftests/x86/ptrace_syscall.c b/tools/testing/selftests/x86/ptrace_syscall.c
index eaea92439708..1ae1c5a7392e 100644
--- a/tools/testing/selftests/x86/ptrace_syscall.c
+++ b/tools/testing/selftests/x86/ptrace_syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 
 #include <sys/ptrace.h>
diff --git a/tools/testing/selftests/x86/raw_syscall_helper_32.S b/tools/testing/selftests/x86/raw_syscall_helper_32.S
index 534e71e35c6a..94410fa2b5ed 100644
--- a/tools/testing/selftests/x86/raw_syscall_helper_32.S
+++ b/tools/testing/selftests/x86/raw_syscall_helper_32.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 .global sys32_helper
 sys32_helper:
 	/* Args: syscall_args_32*, function pointer */
diff --git a/tools/testing/selftests/x86/test_FCMOV.c b/tools/testing/selftests/x86/test_FCMOV.c
index 4adcca0c80c4..6b5036fbb735 100644
--- a/tools/testing/selftests/x86/test_FCMOV.c
+++ b/tools/testing/selftests/x86/test_FCMOV.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef _GNU_SOURCE
 #define _GNU_SOURCE 1
 #undef __USE_GNU
diff --git a/tools/testing/selftests/x86/test_FCOMI.c b/tools/testing/selftests/x86/test_FCOMI.c
index db4933e31af9..aec6692c6dcf 100644
--- a/tools/testing/selftests/x86/test_FCOMI.c
+++ b/tools/testing/selftests/x86/test_FCOMI.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef _GNU_SOURCE
 #define _GNU_SOURCE 1
 #undef __USE_GNU
diff --git a/tools/testing/selftests/x86/test_FISTTP.c b/tools/testing/selftests/x86/test_FISTTP.c
index b8e61a047f6b..09789c0ce3e9 100644
--- a/tools/testing/selftests/x86/test_FISTTP.c
+++ b/tools/testing/selftests/x86/test_FISTTP.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #undef _GNU_SOURCE
 #define _GNU_SOURCE 1
 #undef __USE_GNU
diff --git a/tools/testing/selftests/x86/test_vdso.c b/tools/testing/selftests/x86/test_vdso.c
index 65d7a2bf7e14..29973cde06d3 100644
--- a/tools/testing/selftests/x86/test_vdso.c
+++ b/tools/testing/selftests/x86/test_vdso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ldt_gdt.c - Test cases for LDT and GDT access
  * Copyright (c) 2011-2015 Andrew Lutomirski
diff --git a/tools/testing/selftests/zram/Makefile b/tools/testing/selftests/zram/Makefile
index c3a87e5f9d36..7f78eb1b59cb 100644
--- a/tools/testing/selftests/zram/Makefile
+++ b/tools/testing/selftests/zram/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 TEST_PROGS := zram.sh
diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh
index 683a292e3290..754de7da426a 100755
--- a/tools/testing/selftests/zram/zram.sh
+++ b/tools/testing/selftests/zram/zram.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 TCID="zram.sh"
 
 . ./zram_lib.sh
diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 3a961e998281..21169322baea 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 VERSION = 1.0
 
 BINDIR=usr/bin
diff --git a/tools/thermal/tmon/tmon.8 b/tools/thermal/tmon/tmon.8
index 02d5179803aa..2f122de5841b 100644
--- a/tools/thermal/tmon/tmon.8
+++ b/tools/thermal/tmon/tmon.8
@@ -1,4 +1,5 @@
 .TH TMON 8
+# SPDX-License-Identifier: GPL-2.0
 .SH NAME
 \fBtmon\fP - A monitoring and testing tool for Linux kernel thermal subsystem
 
diff --git a/tools/usb/Makefile b/tools/usb/Makefile
index acf2165c04e6..4e6506078494 100644
--- a/tools/usb/Makefile
+++ b/tools/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for USB tools
 
 CC = $(CROSS_COMPILE)gcc
diff --git a/tools/usb/ffs-aio-example/multibuff/host_app/Makefile b/tools/usb/ffs-aio-example/multibuff/host_app/Makefile
index 8c4a6f0aa82d..df36e4c28f61 100644
--- a/tools/usb/ffs-aio-example/multibuff/host_app/Makefile
+++ b/tools/usb/ffs-aio-example/multibuff/host_app/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC = gcc
 LIBUSB_CFLAGS = $(shell pkg-config --cflags libusb-1.0)
 LIBUSB_LIBS = $(shell pkg-config --libs libusb-1.0)
diff --git a/tools/usb/hcd-tests.sh b/tools/usb/hcd-tests.sh
index b30b3dc4c788..e8cad6a4f9c9 100644
--- a/tools/usb/hcd-tests.sh
+++ b/tools/usb/hcd-tests.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 #
 # test types can be passed on the command line:
 #
diff --git a/tools/usb/usbip/Makefile.am b/tools/usb/usbip/Makefile.am
index 66f8bf038c9f..da3a430849a8 100644
--- a/tools/usb/usbip/Makefile.am
+++ b/tools/usb/usbip/Makefile.am
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 SUBDIRS := libsrc src
 includedir = @includedir@/usbip
 include_HEADERS := $(addprefix libsrc/, \
diff --git a/tools/usb/usbip/cleanup.sh b/tools/usb/usbip/cleanup.sh
index 955c3ccb729a..8028c3a5c22b 100755
--- a/tools/usb/usbip/cleanup.sh
+++ b/tools/usb/usbip/cleanup.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 if [ -r Makefile ]; then
 	make distclean
diff --git a/tools/usb/usbip/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am
index 90daf95c0804..dabd2c91d311 100644
--- a/tools/usb/usbip/libsrc/Makefile.am
+++ b/tools/usb/usbip/libsrc/Makefile.am
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 libusbip_la_CPPFLAGS = -DUSBIDS_FILE='"@USBIDS_DIR@/usb.ids"'
 libusbip_la_CFLAGS   = @EXTRA_CFLAGS@
 libusbip_la_LDFLAGS  = -version-info @LIBUSBIP_VERSION@
diff --git a/tools/usb/usbip/libsrc/list.h b/tools/usb/usbip/libsrc/list.h
index 5eaaa78e2c6a..a941671e4900 100644
--- a/tools/usb/usbip/libsrc/list.h
+++ b/tools/usb/usbip/libsrc/list.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LIST_H
 #define _LIST_H
 
diff --git a/tools/usb/usbip/libsrc/sysfs_utils.c b/tools/usb/usbip/libsrc/sysfs_utils.c
index 36ac88ece0b8..14d5e67d398a 100644
--- a/tools/usb/usbip/libsrc/sysfs_utils.c
+++ b/tools/usb/usbip/libsrc/sysfs_utils.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
diff --git a/tools/usb/usbip/libsrc/sysfs_utils.h b/tools/usb/usbip/libsrc/sysfs_utils.h
index 32ac1d105d18..0cd5f17e7eb2 100644
--- a/tools/usb/usbip/libsrc/sysfs_utils.h
+++ b/tools/usb/usbip/libsrc/sysfs_utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __SYSFS_UTILS_H
 #define __SYSFS_UTILS_H
diff --git a/tools/usb/usbip/libsrc/usbip_common.c b/tools/usb/usbip/libsrc/usbip_common.c
index 1517a232ab18..001bb8e8f668 100644
--- a/tools/usb/usbip/libsrc/usbip_common.c
+++ b/tools/usb/usbip/libsrc/usbip_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2005-2007 Takahiro Hirofuchi
  */
diff --git a/tools/usb/usbip/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h
index 51ef5fe485dd..e45ec9d2fdbc 100644
--- a/tools/usb/usbip/libsrc/usbip_common.h
+++ b/tools/usb/usbip/libsrc/usbip_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2005-2007 Takahiro Hirofuchi
  */
diff --git a/tools/usb/usbip/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c
index 9bd2cd71645d..5727dfb15a83 100644
--- a/tools/usb/usbip/libsrc/vhci_driver.c
+++ b/tools/usb/usbip/libsrc/vhci_driver.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2005-2007 Takahiro Hirofuchi
  */
diff --git a/tools/usb/usbip/libsrc/vhci_driver.h b/tools/usb/usbip/libsrc/vhci_driver.h
index 4898d3bafb10..418b404d5121 100644
--- a/tools/usb/usbip/libsrc/vhci_driver.h
+++ b/tools/usb/usbip/libsrc/vhci_driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2005-2007 Takahiro Hirofuchi
  */
diff --git a/tools/usb/usbip/src/Makefile.am b/tools/usb/usbip/src/Makefile.am
index e81a4ebadeff..e26f39e0579d 100644
--- a/tools/usb/usbip/src/Makefile.am
+++ b/tools/usb/usbip/src/Makefile.am
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc -DUSBIDS_FILE='"@USBIDS_DIR@/usb.ids"'
 AM_CFLAGS   = @EXTRA_CFLAGS@
 LDADD       = $(top_builddir)/libsrc/libusbip.la
diff --git a/tools/usb/usbip/src/usbip_network.h b/tools/usb/usbip/src/usbip_network.h
index c1e875cf1078..7032687621d3 100644
--- a/tools/usb/usbip/src/usbip_network.h
+++ b/tools/usb/usbip/src/usbip_network.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2005-2007 Takahiro Hirofuchi
  */
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
index 39c89a5ea990..8e2a908115c2 100644
--- a/tools/virtio/Makefile
+++ b/tools/virtio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all: test mod
 test: virtio_test vringh_test
 virtio_test: virtio_ring.o virtio_test.o
diff --git a/tools/virtio/asm/barrier.h b/tools/virtio/asm/barrier.h
index ba34f9e96efd..0ac3caf90877 100644
--- a/tools/virtio/asm/barrier.h
+++ b/tools/virtio/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if defined(__i386__) || defined(__x86_64__)
 #define barrier() asm volatile("" ::: "memory")
 #define virt_mb() __sync_synchronize()
diff --git a/tools/virtio/linux/bug.h b/tools/virtio/linux/bug.h
index fb94f0787c47..b14c2c3b6b85 100644
--- a/tools/virtio/linux/bug.h
+++ b/tools/virtio/linux/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BUG_H
 #define BUG_H
 
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h
index c9ccfd42ec13..903dc9c4bd11 100644
--- a/tools/virtio/linux/compiler.h
+++ b/tools/virtio/linux/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_COMPILER_H
 #define LINUX_COMPILER_H
 
diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h
index 18601f6689b9..1571e24e9494 100644
--- a/tools/virtio/linux/dma-mapping.h
+++ b/tools/virtio/linux/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_DMA_MAPPING_H
 #define _LINUX_DMA_MAPPING_H
 
diff --git a/tools/virtio/linux/err.h b/tools/virtio/linux/err.h
index e32eff8b2a14..0943c644a701 100644
--- a/tools/virtio/linux/err.h
+++ b/tools/virtio/linux/err.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ERR_H
 #define ERR_H
 #define MAX_ERRNO	4095
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index d9554fc3f340..395521a7a8d8 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef KERNEL_H
 #define KERNEL_H
 #include <stdbool.h>
diff --git a/tools/virtio/linux/module.h b/tools/virtio/linux/module.h
index 28ce95a05997..9dfa96fea2b2 100644
--- a/tools/virtio/linux/module.h
+++ b/tools/virtio/linux/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/export.h>
 
 #define MODULE_LICENSE(__MODULE_LICENSE_value) \
diff --git a/tools/virtio/linux/scatterlist.h b/tools/virtio/linux/scatterlist.h
index 68c9e2adc996..9a45f90e2d08 100644
--- a/tools/virtio/linux/scatterlist.h
+++ b/tools/virtio/linux/scatterlist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCATTERLIST_H
 #define SCATTERLIST_H
 #include <linux/kernel.h>
diff --git a/tools/virtio/linux/slab.h b/tools/virtio/linux/slab.h
index 7e1c1197d439..319dcaa07755 100644
--- a/tools/virtio/linux/slab.h
+++ b/tools/virtio/linux/slab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_SLAB_H
 #define GFP_KERNEL 0
 #define GFP_ATOMIC 0
diff --git a/tools/virtio/linux/uaccess.h b/tools/virtio/linux/uaccess.h
index fa05d01b2c90..991dfb263998 100644
--- a/tools/virtio/linux/uaccess.h
+++ b/tools/virtio/linux/uaccess.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef UACCESS_H
 #define UACCESS_H
 
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index d8f534025b7f..b751350d4ce8 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_VIRTIO_H
 #define LINUX_VIRTIO_H
 #include <linux/scatterlist.h>
diff --git a/tools/virtio/linux/virtio_byteorder.h b/tools/virtio/linux/virtio_byteorder.h
index 9de9e6ac1d10..5b50f7eebd9c 100644
--- a/tools/virtio/linux/virtio_byteorder.h
+++ b/tools/virtio/linux/virtio_byteorder.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_VIRTIO_BYTEORDER_STUB_H
 #define _LINUX_VIRTIO_BYTEORDER_STUB_H
 
diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h
index 9ba11815e0a1..dbf14c1e2188 100644
--- a/tools/virtio/linux/virtio_config.h
+++ b/tools/virtio/linux/virtio_config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/virtio_byteorder.h>
 #include <linux/virtio.h>
 #include <uapi/linux/virtio_config.h>
diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile
index c012edbdb13b..85c98c2810fb 100644
--- a/tools/virtio/ringtest/Makefile
+++ b/tools/virtio/ringtest/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 all:
 
 all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder ptr_ring noring
diff --git a/tools/virtio/ringtest/noring.c b/tools/virtio/ringtest/noring.c
index b8d1c1daac7c..ce2440d5ca93 100644
--- a/tools/virtio/ringtest/noring.c
+++ b/tools/virtio/ringtest/noring.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include "main.h"
 #include <assert.h>
diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c
index 7b22f1b20652..38bb171aceba 100644
--- a/tools/virtio/ringtest/ptr_ring.c
+++ b/tools/virtio/ringtest/ptr_ring.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include "main.h"
 #include <stdlib.h>
diff --git a/tools/virtio/ringtest/run-on-all.sh b/tools/virtio/ringtest/run-on-all.sh
index 29b0d3920bfc..dcc3ea758f48 100755
--- a/tools/virtio/ringtest/run-on-all.sh
+++ b/tools/virtio/ringtest/run-on-all.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
 
 CPUS_ONLINE=$(lscpu --online -p=cpu|grep -v -e '#')
 #use last CPU for host. Why not the first?
diff --git a/tools/virtio/uapi/linux/virtio_ring.h b/tools/virtio/uapi/linux/virtio_ring.h
index 4d99c78234d3..cf50b2e5ff02 100644
--- a/tools/virtio/uapi/linux/virtio_ring.h
+++ b/tools/virtio/uapi/linux/virtio_ring.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef VIRTIO_RING_H
 #define VIRTIO_RING_H
 #include "../../../../include/uapi/linux/virtio_ring.h"
diff --git a/tools/virtio/virtio-trace/Makefile b/tools/virtio/virtio-trace/Makefile
index 0d2381633475..7843ebcda71d 100644
--- a/tools/virtio/virtio-trace/Makefile
+++ b/tools/virtio/virtio-trace/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 CC = gcc
 CFLAGS = -O2 -Wall -pthread
 
diff --git a/tools/virtio/virtio-trace/trace-agent.h b/tools/virtio/virtio-trace/trace-agent.h
index 8de79bfeaa73..e67885969f0e 100644
--- a/tools/virtio/virtio-trace/trace-agent.h
+++ b/tools/virtio/virtio-trace/trace-agent.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __TRACE_AGENT_H__
 #define __TRACE_AGENT_H__
 #include <pthread.h>
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 0fecaec90d0d..b427def67e7e 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
 #include <getopt.h>
 #include <string.h>
diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 9476c616d064..293653463303 100644
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* Simple test of virtio code, entirely in userpsace. */
 #define _GNU_SOURCE
 #include <sched.h>
diff --git a/tools/vm/Makefile b/tools/vm/Makefile
index 006029456988..be320b905ea7 100644
--- a/tools/vm/Makefile
+++ b/tools/vm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for vm tools
 #
 TARGETS=page-types slabinfo page_owner_sort
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
index f1c055f3c243..18fc112b65cd 100644
--- a/tools/vm/page_owner_sort.c
+++ b/tools/vm/page_owner_sort.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * User-space helper to sort the output of /sys/kernel/debug/page_owner
  *
diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index b9d34b37c017..b0b7ef6d0de1 100644
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Slabinfo: Tool to get reports about slabs
  *
diff --git a/usr/Kconfig b/usr/Kconfig
index d53112fdbf5a..43658b8a975e 100644
--- a/usr/Kconfig
+++ b/usr/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Configuration for initramfs
 #
diff --git a/usr/Makefile b/usr/Makefile
index 0b87e71c00fc..34a9fcd0f537 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # kbuild file for usr/ - including initramfs image
 #
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 225ad244cf88..03b21189d58b 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/types.h>
diff --git a/usr/initramfs_data.S b/usr/initramfs_data.S
index c14322d1c0cf..10d325e24566 100644
--- a/usr/initramfs_data.S
+++ b/usr/initramfs_data.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
   initramfs_data includes the compressed binary that is the
   filesystem used for early user space.
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index b0cc1a34db27..70691c08e1ed 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # KVM common configuration items and defaults
 
 config HAVE_KVM
diff --git a/virt/kvm/arm/trace.h b/virt/kvm/arm/trace.h
index f7dc5ddd6847..e53b596f483b 100644
--- a/virt/kvm/arm/trace.h
+++ b/virt/kvm/arm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KVM_H
 
diff --git a/virt/kvm/arm/vgic/trace.h b/virt/kvm/arm/vgic/trace.h
index ed3229282888..55fed77a9f73 100644
--- a/virt/kvm/arm/vgic/trace.h
+++ b/virt/kvm/arm/vgic/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(_TRACE_VGIC_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_VGIC_H
 
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 571c1ce37d15..9e65feb6fa58 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * KVM coalesced MMIO
  *
diff --git a/virt/kvm/coalesced_mmio.h b/virt/kvm/coalesced_mmio.h
index 6bca74ca5331..36f84264ed25 100644
--- a/virt/kvm/coalesced_mmio.h
+++ b/virt/kvm/coalesced_mmio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_COALESCED_MMIO_H__
 #define __KVM_COALESCED_MMIO_H__
 
diff --git a/virt/kvm/vfio.h b/virt/kvm/vfio.h
index ab88c7dc0514..e130a4a03530 100644
--- a/virt/kvm/vfio.h
+++ b/virt/kvm/vfio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_VFIO_H
 #define __KVM_VFIO_H