On 01.02.2012 14:02, Thomas Abraham wrote:
Commit 15c9a0acc3f7 (of: create of_phandle_args to simplify return of phandle
parsing data) modifies the parameter list of of_xlate function pointer declaration
in gpio_chip. Adapt the gpio specifier translate function for this change.
Reported-by: Tushar Behera<tushar.behera@xxxxxxxxxx>
Signed-off-by: Thomas Abraham<thomas.abraham@xxxxxxxxxx>
Tested-by: Karol Lewandowski <k.lewandowsk@xxxxxxxxxxx>
Fixes following Oops in i2c-s3c24xx.
Thanks
<1>Unable to handle kernel NULL pointer dereference at virtual address
00000000
<1>pgd = c0004000
<1>[00000000] *pgd=00000000
<0>Internal error: Oops: 5 [#1] PREEMPT SMP
<d>Modules linked in:
CPU: 0 Tainted: G W (3.3.0-rc1+ #20)
PC is at exynos4_gpio_xlate+0x18/0xe8
LR is at of_get_named_gpio_flags+0xd0/0x190
pc : [<c025dd60>] lr : [<c03423a0>] psr: 60000013
sp : e9047d88 ip : e9047da8 fp : e9047da4
r10: 00000000 r9 : 00000000 r8 : c05ecf4c
r7 : c0864ca8 r6 : 00000000 r5 : e9047db0 r4 : c025dd48
r3 : 00000004 r2 : 00000000 r1 : e9047db0 r0 : c05ecf4c
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 4000404a DAC: 00000015
<0>Process swapper/0 (pid: 1, stack limit = 0xe90462f0)
<0>Stack: (0xe9047d88 to 0xe9048000)
...
[<c025dd60>] (exynos4_gpio_xlate+0x18/0xe8) from [<c03423a0>]
(of_get_named_gpio_flags+0xd0/0x190)
[<c03423a0>] (of_get_named_gpio_flags+0xd0/0x190) from [<c02e77cc>]
(s3c24xx_i2c_init+0x264/0x430)
[<c02e77cc>] (s3c24xx_i2c_init+0x264/0x430) from [<c02e7c24>]
(s3c24xx_i2c_probe+0x1c8/0x4ac)
[<c02e7c24>] (s3c24xx_i2c_probe+0x1c8/0x4ac) from [<c02a4320>]
(platform_drv_probe+0x28/0x2c)
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