[PATCH 2/2] clocksource: sun4i: change CPU mask to cpu_possible_mask

Daniel Lezcano daniel.lezcano at linaro.org
Thu Nov 7 05:19:41 EST 2013


On 10/25/2013 01:16 PM, Maxime Ripard wrote:
> The interrupt for the timer is a shared processor interrupt, so any CPU
> found in the system can handle it. Switch to our cpumask to
> cpu_possible_mask instead of cpumask_of(0).
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Applied to my tree for 3.14

Thanks !

sidenote: did you look at the CLOCK_EVT_FEAT_DYNIRQ flag ? It may reduce 
the number of wakeup for your system.

> ---
>   drivers/clocksource/sun4i_timer.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
> index a7f492e..6a76b4e 100644
> --- a/drivers/clocksource/sun4i_timer.c
> +++ b/drivers/clocksource/sun4i_timer.c
> @@ -187,7 +187,7 @@ static void __init sun4i_timer_init(struct device_node *node)
>   	val = readl(timer_base + TIMER_IRQ_EN_REG);
>   	writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG);
>
> -	sun4i_clockevent.cpumask = cpumask_of(0);
> +	sun4i_clockevent.cpumask = cpu_possible_mask;
>   	sun4i_clockevent.irq = irq;
>
>   	clockevents_config_and_register(&sun4i_clockevent, rate,
>


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog




More information about the linux-arm-kernel mailing list