Re: Bug: SMDKV310: System hang during reboot

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Is there a bug for this in launchpad yet?  I see this hang on the
board we have in the validation lab too, and it's especially annoying
there since we don't have a good way to hard reset this board remotely
yet.

On Tue, Apr 5, 2011 at 4:40 AM, Tushar Behera <tushar.behera@xxxxxxxxxx> wrote:
> Hi,
>
> While executing reboot call on SMDKV310, the system hangs during
> cpu_proc_fin() call.
>
> Commenting out this line of code, the reboot works properly.
>
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -46,7 +46,6 @@ ENTRY(cpu_v7_proc_fin)
>        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
>        mov     pc, lr
>  ENDPROC(cpu_v7_proc_fin)
>
> Are we missing something in the Exynos4 machine code or is it a
> CPU_V7 specific issue?
>
> Regards,
> Tushar
>
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