linux_dsm_epyc7002/drivers/soc
Laurentiu Tudor 5a1eb8b954 soc: fsl: qman_portals: defer probe after qman's probe
Defer probe of qman portals after qman probing. This fixes the crash
below, seen on NXP LS1043A SoCs:

Unable to handle kernel NULL pointer dereference at virtual address
0000000000000004
Mem abort info:
  ESR = 0x96000004
  Exception class = DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
Data abort info:
  ISV = 0, ISS = 0x00000004
  CM = 0, WnR = 0
[0000000000000004] user address but active_mm is swapper
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted
4.18.0-rc1-next-20180622-00200-g986f5c179185 #9
Hardware name: LS1043A RDB Board (DT)
pstate: 80000005 (Nzcv daif -PAN -UAO)
pc : qman_set_sdest+0x74/0xa0
lr : qman_portal_probe+0x22c/0x470
sp : ffff00000803bbc0
x29: ffff00000803bbc0 x28: 0000000000000000
x27: ffff0000090c1b88 x26: ffff00000927cb68
x25: ffff00000927c000 x24: ffff00000927cb60
x23: 0000000000000000 x22: 0000000000000000
x21: ffff0000090e9000 x20: ffff800073b5c810
x19: ffff800027401298 x18: ffffffffffffffff
x17: 0000000000000001 x16: 0000000000000000
x15: ffff0000090e96c8 x14: ffff80002740138a
x13: ffff0000090f2000 x12: 0000000000000030
x11: ffff000008f25000 x10: 0000000000000000
x9 : ffff80007bdfd2c0 x8 : 0000000000004000
x7 : ffff80007393cc18 x6 : 0040000000000001
x5 : 0000000000000000 x4 : ffffffffffffffff
x3 : 0000000000000004 x2 : ffff00000927c900
x1 : 0000000000000000 x0 : 0000000000000004
Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____))
Call trace:
 qman_set_sdest+0x74/0xa0
 platform_drv_probe+0x50/0xa8
 driver_probe_device+0x214/0x2f8
 __driver_attach+0xd8/0xe0
 bus_for_each_dev+0x68/0xc8
 driver_attach+0x20/0x28
 bus_add_driver+0x108/0x228
 driver_register+0x60/0x110
 __platform_driver_register+0x40/0x48
 qman_portal_driver_init+0x20/0x84
 do_one_initcall+0x58/0x168
 kernel_init_freeable+0x184/0x22c
 kernel_init+0x10/0x108
 ret_from_fork+0x10/0x18
Code: f9400443 11001000 927e4800 8b000063 (b9400063)
---[ end trace 4f6d50489ecfb930 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-01 17:47:43 -05:00
..
actions treewide: Use struct_size() for devm_kmalloc() and friends 2018-06-06 11:15:43 -07:00
amlogic amlogic: meson-gx-socinfo: Update soc ids 2018-03-19 16:40:26 -07:00
atmel drivers: soc: atmel: Add basic support for new sama5d2 SiPs 2017-09-17 19:45:59 +02:00
bcm soc: bcm: brcmstb: Add missing DDR MEMC compatible strings 2018-06-26 15:44:25 -07:00
dove License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fsl soc: fsl: qman_portals: defer probe after qman's probe 2018-10-01 17:47:43 -05:00
gemini soc: Add SoC driver for Gemini 2018-01-04 17:01:53 +01:00
imx ARM: SoC driver updates 2018-08-23 13:52:46 -07:00
lantiq MIPS: lantiq: gphy: Drop reboot/remove reset asserts 2018-05-24 13:22:56 +01:00
mediatek soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs 2018-07-16 15:50:17 +02:00
qcom remoteproc updates for v4.19 2018-08-18 16:42:04 -07:00
renesas Second Round of Renesas ARM Based SoC Updates for v4.19 2018-07-21 14:19:37 -07:00
rockchip ARM: SoC driver updates 2018-06-11 18:15:22 -07:00
samsung soc: samsung: pm_domains: Deprecate support for clocks 2018-04-17 17:25:42 +02:00
sunxi soc: sunxi: Add the A13, A23 and H3 system control compatibles 2018-07-19 16:39:12 +02:00
tegra This time we have a good set of changes to the core framework that do some 2018-06-09 12:06:24 -07:00
ti ARM: Device-tree updates 2018-08-23 14:02:22 -07:00
ux500
versatile soc: versatile: remove unnecessary static in realview_soc_probe() 2017-08-16 22:28:27 +02:00
xilinx soc: xilinx: Fix Kconfig alignment 2018-01-16 15:50:21 +01:00
zte soc: zte: Restrict SOC_ZTE to ARCH_ZX or COMPILE_TEST 2017-07-27 13:12:34 +02:00
Kconfig soc: xilinx: Create folder structure for soc specific drivers 2018-01-08 13:42:39 +01:00
Makefile soc: Unconditionally include qcom Makefile 2018-05-25 15:53:57 -05:00