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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2014-08-30 00:18:53 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-30 01:28:16 +0200 |
| commit | b7d5b9a9686674eedffe5b8745c85265f3fe3367 (patch) | |
| tree | 8e485240fd6ac750a1ad9014c50dd560e02eb7ab /arch/x86/purgatory | |
| parent | xattr: fix check for simultaneous glibc header inclusion (diff) | |
| download | linux-b7d5b9a9686674eedffe5b8745c85265f3fe3367.tar.xz linux-b7d5b9a9686674eedffe5b8745c85265f3fe3367.zip | |
drivers/rtc/rtc-s5m.c: re-add support for devices without irq specified
The rtc-s5m driver used to support devices without irq specified in the
past. Re-add this support.
The patch fixes boot for Insignal's Exynos4412 based Origen board.
Error messages before the patch:
...
Unable to handle kernel NULL pointer dereference at virtual address 00000094
pgd = c0004000
[00000094] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.16.0-next-20140804-00008-ga59480f-dirty #701
task: ea80f000 ti: ea882000 task.ti: ea882000
PC is at regmap_irq_get_virq+0x0/0x28
LR is at s5m_rtc_probe+0xdc/0x310
pc : [<c02574fc>] lr : [<c02de75c>] psr: 80000153
sp : ea883e48 ip : 00000000 fp : 00000000
r10: 0000000c r9 : c05de7ac r8 : eaabc600
r7 : eaa6b4d0 r6 : c0439e8c r5 : eaabc610 r4 : eab30e50
r3 : 00000000 r2 : 00000000 r1 : 0000000c r0 : 00000000
Flags: Nzcv IRQs on FIQs off Mode SVC_32 ISA ARM Segment kernel
Control: 10c5387d Table: 4000404a DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0xea882240)
Backtrace:
regmap_irq_get_virq
s5m_rtc_probe
platform_drv_probe
driver_probe_device
__driver_attach
bus_for_each_dev
bus_add_driver
driver_register
do_one_initcall
kernel_init_freeable
kernel_init
---[ end trace a954d7f019122700 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
...
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/purgatory')
0 files changed, 0 insertions, 0 deletions