AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/arm/mach-imx
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Russell King 6ebbf2ce43 ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 
ARMv6 and greater introduced a new instruction ("bx") which can be used
to return from function calls.  Recent CPUs perform better when the
"bx lr" instruction is used rather than the "mov pc, lr" instruction,
and this sequence is strongly recommended to be used by the ARM
architecture manual (section A.4.1.1).

We provide a new macro "ret" with all its variants for the condition
code which will resolve to the appropriate instruction.

Rather than doing this piecemeal, and miss some instances, change all
the "mov pc" instances to use the new macro, with the exception of
the "movs" instruction and the kprobes code.  This allows us to detect
the "mov pc, lr" case and fix it up - and also gives us the possibility
of deploying this for other registers depending on the CPU selection.

Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com> # Tegra Jetson TK1
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> # mioa701_bootresume.S
Tested-by: Andrew Lunn <andrew@lunn.ch> # Kirkwood
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Tony Lindgren <tony@atomide.com> # OMAPs
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> # Armada XP, 375, 385
Acked-by: Sekhar Nori <nsekhar@ti.com> # DaVinci
Acked-by: Christoffer Dall <christoffer.dall@linaro.org> # kvm/hyp
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> # PXA3xx
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> # Xen
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> # ARMv7M
Tested-by: Simon Horman <horms+renesas@verge.net.au> # Shmobile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-18 12:29:04 +01:00
..
devices ARM: SoC updates for 3.16 (part 1) 2014-06-02 16:15:12 -07:00
3ds_debugboard.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
3ds_debugboard.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
anatop.c ARM: imx: use imx_init_revision_from_anatop() on imx6sl 2013-10-21 09:13:13 +08:00
avic.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
board-mx31lilly.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
board-mx31lite.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
board-mx31moboard.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
board-pcm038.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
clk-busy.c ARM: arm-soc non-critical fixes for 3.10 2013-05-02 08:56:55 -07:00
clk-fixup-div.c ARM: imx: add common clock support for fixup div 2013-08-16 13:11:24 +08:00
clk-fixup-mux.c ARM: imx: initialize clk_init_data.flags for clk-fixup-mux 2013-09-17 10:04:23 +08:00
clk-gate2.c ARM: imx: add shared gate clock support 2014-05-12 22:58:48 +08:00
clk-imx1.c ARM: i.MX1 clk: Remove clk_register_clkdev() for unused clocks 2014-05-16 15:39:07 +08:00
clk-imx6q.c ARM: imx6q: add the missing esai_ahb clock 2014-05-12 22:58:49 +08:00
clk-imx6sl.c ARM: imx6sl: add missing enet clock for imx6sl 2014-06-17 21:11:18 +08:00
clk-imx6sx.c ARM: imx: add clock driver for imx6sx 2014-05-16 15:35:19 +08:00
clk-imx21.c ARM i.MX: remove PWM platform support 2014-03-05 10:35:09 +08:00
clk-imx25.c ARM: mx25: Add CLKO support 2014-05-16 22:51:34 +08:00
clk-imx27.c ARM: i.MX27 clk: Remove clk_register_clkdev() for unused clocks 2014-05-12 22:58:50 +08:00
clk-imx31.c ARM: i.MX: Remove #ifdef CONFIG_OF 2014-05-12 22:58:47 +08:00
clk-imx35.c ARM: imx: fix function type for CLK_OF_DECLARE 2014-05-20 14:25:21 -05:00
clk-imx51-imx53.c ARM: imx: factor device tree timer initialization 2014-04-30 13:40:28 +08:00
clk-pfd.c ARM: imx: add necessary interface for pfd 2013-12-31 09:36:45 +08:00
clk-pllv1.c ARM: imx: pllv1: Fix PLL calculation for i.MX27 2013-12-31 09:36:29 +08:00
clk-pllv2.c ARM: mach-imx: clk-pllv2: Staticize clk_pllv2_ops 2013-04-01 16:17:50 +08:00
clk-pllv3.c ARM: imx: set up pllv3 POWER and BYPASS sequentially 2013-11-11 22:58:45 +08:00
clk-vf610.c ARM: imx: clk-vf610: Suppress duplicate const sparse warning 2014-03-05 10:35:08 +08:00
clk.c ARM: imx6: change some clocks to fixup clocks 2013-08-16 13:11:25 +08:00
clk.h ARM: imx: add shared gate clock support 2014-05-12 22:58:48 +08:00
common.h ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
cpu-imx5.c ARM: mach-imx: cpu-imx5: Include "common.h" 2013-04-01 16:17:49 +08:00
cpu-imx25.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
cpu-imx27.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
cpu-imx31.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
cpu-imx35.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
cpu.c ARM: imx: add basic imx6sx SoC support 2014-05-16 15:35:25 +08:00
cpuidle-imx5.c ARM: imx: cpuidle: use init/exit common routine 2013-04-23 13:45:23 +02:00
cpuidle-imx6q.c ARM: imx: Use INT_MEM_CLK_LPM as the bit name 2014-03-05 10:34:59 +08:00
cpuidle-imx6sl.c ARM: imx: add cpuidle support for i.mx6sl 2014-03-05 10:35:01 +08:00
cpuidle.h ARM: imx: add cpuidle support for i.mx6sl 2014-03-05 10:35:01 +08:00
crm-regs-imx5.h ARM i.MX53: Fix PLL4 base address 2012-06-04 15:23:57 +02:00
crmregs-imx3.h ARM i.MX3: Make ccm base address a variable 2012-04-25 17:03:45 +02:00
devices-imx1.h ARM: imx: move platform device code into mach-imx 2012-10-15 09:18:15 +08:00
devices-imx21.h ARM: imx: move platform device code into mach-imx 2012-10-15 09:18:15 +08:00
devices-imx25.h ARM i.MX: remove PWM platform support 2014-03-05 10:35:09 +08:00
devices-imx27.h ARM : i.MX27 : split code for allocation of ressources of camera and eMMA 2012-11-16 16:21:48 +01:00
devices-imx31.h ARM: imx: move platform device code into mach-imx 2012-10-15 09:18:15 +08:00
devices-imx35.h ARM: imx: prepare for removal of flexcan_platform_data 2013-06-27 15:15:08 +02:00
devices-imx51.h ARM i.MX: remove PWM platform support 2014-03-05 10:35:09 +08:00
ehci-imx5.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
ehci-imx25.c Merge branch 'next/cam-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc 2012-11-30 09:27:57 -08:00
ehci-imx27.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
ehci-imx31.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
ehci-imx35.c Merge branch 'next/cam-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc 2012-11-30 09:27:57 -08:00
epit.c ARM: imx: remove IRQF_DISABLED 2013-10-21 09:11:05 +08:00
eukrea_mbimx27-baseboard.c ARM: cpuimx27 and mbimx27: prepend CONFIG_ to Kconfig macro 2013-04-03 16:50:54 +08:00
eukrea_mbimxsd25-baseboard.c ARM: imx: prepare for removal of flexcan_platform_data 2013-06-27 15:15:08 +02:00
eukrea_mbimxsd35-baseboard.c ARM: imx: prepare for removal of flexcan_platform_data 2013-06-27 15:15:08 +02:00
eukrea-baseboards.h ARM: imx: include board headers in the same folder 2012-10-15 09:18:14 +08:00
gpc.c ARM: imx: ensure dsm_request signal is not asserted when setting LPM 2013-10-21 09:39:26 +08:00
hardware.h ARM: imx: add suspend in ocram support for i.mx6q 2014-03-05 10:35:10 +08:00
headsmp.S ARM: imx6: drop .text.head section annotation from headsmp.S 2014-03-05 10:48:26 +08:00
hotplug.c ARM: imx: do not return from imx_cpu_die() call 2013-10-21 09:37:31 +08:00
iim.h ARM: imx: include iim.h rather than mach/iim.h 2012-10-15 10:03:10 +08:00
imx25-dt.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
imx27-dt.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
imx31-dt.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
imx35-dt.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
imx51-dt.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
iomux-imx31.c ARM: mach-imx: iomux-imx31: Staticize mxc_pin_alloc_map 2013-04-01 16:17:48 +08:00
iomux-mx1.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx2x.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx3.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx21.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx25.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx27.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx35.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-mx51.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-v1.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
iomux-v1.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
iomux-v3.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
iomux-v3.h ARM: imx: move iomux drivers and headers into mach-imx 2012-10-15 09:18:14 +08:00
irq-common.c ARM: imx: irq-common: Include header to avoid sparse warning 2013-06-17 15:45:14 +08:00
irq-common.h ARM: imx: drop support for irq priorisation 2013-12-09 13:18:25 +08:00
Kconfig Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2014-06-24 13:59:00 -07:00
mach-apf9328.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-armadillo5x0.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-bug.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-cpuimx27.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-cpuimx35.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-eukrea_cpuimx25.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-imx6q.c ARM i.MX6q: Mark VPU and IPU AXI transfers as cacheable, increase IPU priority 2014-03-05 10:40:48 +08:00
mach-imx6sl.c ARM: imx: add suspend in ocram support for i.mx6q 2014-03-05 10:35:10 +08:00
mach-imx6sx.c ARM: imx: add basic imx6sx SoC support 2014-05-16 15:35:25 +08:00
mach-imx27_visstrim_m10.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-imx27ipcam.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-imx27lite.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-imx50.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-imx53.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-kzm_arm11_01.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx1ads.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx21ads.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx25_3ds.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx27_3ds.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx27ads.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx31_3ds.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx31ads.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx31lilly.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx31lite.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx31moboard.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mx35_3ds.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-mxt_td60.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-pca100.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-pcm037_eet.c ARM: imx: include common.h rather than mach/common.h 2012-10-15 10:03:10 +08:00
mach-pcm037.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-pcm038.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-pcm043.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-qong.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-scb9328.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
mach-vf610.c ARM: l2c: imx vf610: convert to generic l2c OF initialisation 2014-05-30 00:49:28 +01:00
mach-vpr200.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
Makefile ARM: imx: add basic imx6sx SoC support 2014-05-16 15:35:25 +08:00
mm-imx1.c ARM: imx: move clk_prepare() out from mxc_restart() 2013-06-17 15:45:10 +08:00
mm-imx3.c Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-07-03 09:46:29 -07:00
mm-imx5.c ARM: imx: remove mxc_iomux_v3_init() call from imx53_init_early() 2013-12-09 13:18:24 +08:00
mm-imx21.c ARM: imx: move clk_prepare() out from mxc_restart() 2013-06-17 15:45:10 +08:00
mm-imx25.c ARM: i.MX: remove sdma script address arrays from platform data 2013-08-26 20:47:16 +05:30
mm-imx27.c ARM: imx: move clk_prepare() out from mxc_restart() 2013-06-17 15:45:10 +08:00
mmdc.c ARM: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
mx1-camera-fiq-ksym.c ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
mx1-camera-fiq.S ARM: imx: move mx1 support to mach-imx 2010-06-30 08:59:44 +02:00
mx1.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx2x.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx3x.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx21.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx25.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx27.h ARM: i.MX27: Typo fix 2013-07-15 08:28:07 +08:00
mx31.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx31lilly-db.c ARM: imx: remove IRQF_DISABLED 2013-10-21 09:11:05 +08:00
mx31lite-db.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx31moboard-devboard.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx31moboard-marxbot.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx31moboard-smartbot.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx35.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx51.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mx53.h ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
mxc.h ARM: imx: add basic imx6sx SoC support 2014-05-16 15:35:25 +08:00
pcm037.h ARM: imx: use machine specific hook for late init 2012-05-08 20:36:16 +08:00
pcm970-baseboard.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
platsmp.c ARM: clean up cache handling in platform code 2013-12-11 16:24:34 -08:00
pm-imx3.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
pm-imx5.c ARM: mx53: Allow suspend/resume 2013-08-22 23:20:45 +08:00
pm-imx6.c ARM: SoC specific changes 2014-04-05 14:19:54 -07:00
pm-imx27.c ARM: imx: include hardware.h rather than mach/hardware.h 2012-10-15 10:05:43 +08:00
src.c ARM: imx: remove imx_src_prepare_restart() call 2013-11-11 22:58:43 +08:00
ssi-fiq-ksym.c ARM: imx: merge plat-mxc into mach-imx 2012-10-15 10:02:19 +08:00
ssi-fiq.S ARM: imx: merge plat-mxc into mach-imx 2012-10-15 10:02:19 +08:00
suspend-imx6.S ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
system.c ARM: l2c: imx: remove direct write to power control register 2014-05-30 00:49:22 +01:00
time.c ARM: imx: factor device tree timer initialization 2014-04-30 13:40:28 +08:00
tzic.c ARM: i.MX: Setup IRQ handler from IRQ driver 2014-05-12 22:58:51 +08:00
ulpi.h ARM: imx: Remove mxc specific ulpi access ops 2013-06-17 15:45:16 +08:00