On Mon, 20 Oct 2014, Daniel Lezcano wrote:

> Following the logic of the previous patch, retrieve from the idle task the
> expected timer sleep duration and pass it to the cpuidle framework.
> 
> Take the opportunity to remove the unused headers in the menu.c file.
> 
> This patch does not change the current behavior.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>

One minor nit below.

> @@ -211,6 +212,12 @@ static void cpu_idle_loop(void)
>                       latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
>  
>                       /*
> +                      * The next timer event in us
> +                      */

This 3-line comment is redundant. The code is obvious enough on its own.

> +                     next_timer_event = ktime_to_us(
> +                             tick_nohz_get_sleep_length());

I'd suggest this form for better readability:

                        next_timer_event =
                                ktime_to_us(tick_nohz_get_sleep_length());

Other than that...

Acked-by: Nicolas Pitre <n...@linaro.org>

> +
> +                     /*
>                        * In poll mode we reenable interrupts and spin.
>                        *
>                        * If the latency req is zero, we don't want to
> @@ -227,7 +234,8 @@ static void cpu_idle_loop(void)
>                           tick_check_broadcast_expired())
>                               cpu_idle_poll();
>                       else
> -                             cpuidle_idle_call(latency_req);
> +                             cpuidle_idle_call(latency_req,
> +                                               next_timer_event);
>  
>                       arch_cpu_idle_exit();
>               }
> -- 
> 1.9.1
> 
> 
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