Hi Tushar,
Thanks for your valuable reply.
Regards
koteswararao.
On Wed, Aug 15, 2012 at 2:59 PM, Tushar Behera <tushar.beh...@linaro.org> wrote:
> On 08/15/2012 11:05 AM, Koteswararao Nelakurthi wrote:
>> Hi,
>>
>> While executing reboot call on my ARMv7 board, the system hangs during
>> cpu_proc_fin() call.
>>
>> Commenting out this line of code, the reboot works properly.
>>
>> Index: mvlinux/arch/arm/mm/proc-v7.S
>> ===================================================================
>> --- mvlinux.orig/arch/arm/mm/proc-v7.S 2012-08-15 14:12:50.396190110 +0900
>> +++ mvlinux/arch/arm/mm/proc-v7.S 2012-08-15 14:21:28.730760416 +0900
>> @@ -51,7 +51,7 @@
>> mrc p15, 0, r0, c1, c0, 0 @ ctrl register
>> bic r0, r0, #0x1000 @ ...i............
>> bic r0, r0, #0x0006 @ .............ca.
>> - mcr p15, 0, r0, c1, c0, 0 @ disable caches
>> + #mcr p15, 0, r0, c1, c0, 0 @ disable caches
>> ldmfd sp!, {pc}
>> ENDPROC(cpu_v7_proc_fin)
>>
>> is it a CPU_V7 specific issue?
>>
>> Please provide your valuable input to fix the issue.
>>
>> Any hint also..will help me in debugging further in this issue.
>>
>> I have seen above fix in one of the linaro mailing list.
>>
>> Regards,
>> koteswararao.
>>
>
> I don't think there is any issue with cpu_v7_proc_fin. In case of the
> issue that I was facing, it was fixed by adding a proper reset hook to
> my platform.
>
> Please go through following link. I hope that would help.
>
> http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg06170.html
>
> --
> Tushar Behera
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