Re: linux-next: manual merge of the cpuidle-cons tree with the arm-soc tree

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Hello Stephen,

Yes, your resolution looks correct to me.

Thanks,
Rob Lee


On Fri, Mar 9, 2012 at 1:37 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi Rob,
>
> Today's linux-next merge of the cpuidle-cons tree got a conflict in
> arch/arm/mach-at91/cpuidle.c between commit 00482a4078f4 ("ARM: at91:
> implement the standby function for pm/cpuidle") from the arm-soc tree and
> commit 7a1f6e72dce1 ("ARM: at91: Consolidate time keeping and irq
> enable") from the cpuidle-cons tree.
>
> I fixed it up (I think - see below) and can carry the fix as necessary.
> --
> Cheers,
> Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx
>
> diff --cc arch/arm/mach-at91/cpuidle.c
> index 555d956,d40b3f3..0000000
> --- a/arch/arm/mach-at91/cpuidle.c
> +++ b/arch/arm/mach-at91/cpuidle.c
> @@@ -37,23 -33,15 +33,8 @@@ static int at91_enter_idle(struct cpuid
>                        struct cpuidle_driver *drv,
>                               int index)
>  {
> -       struct timeval before, after;
> -       int idle_time;
> -
> -       local_irq_disable();
> -       do_gettimeofday(&before);
> -       if (index == 0)
> -               /* Wait for interrupt state */
> -               cpu_do_idle();
> -       else if (index == 1)
> -               at91_standby();
>  -      u32 saved_lpr;
>  -
>  -      __asm__("b 1f; .align 5; 1:\n"
>  -      "       mcr p15, 0, r0, c7, c10, 4");   /* drain write buffer */
>  -
>  -      saved_lpr = sdram_selfrefresh_enable();
>  -      cpu_do_idle();
>  -      sdram_selfrefresh_disable(saved_lpr);
> ++      at91_standby();
>
> -       do_gettimeofday(&after);
> -       local_irq_enable();
> -       idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
> -                       (after.tv_usec - before.tv_usec);
> -
> -       dev->last_residency = idle_time;
>        return index;
>  }
>
--
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