From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Maxime Ripard <maxime.ripard@free-electrons.com>, tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, sboyd@codeaurora.org
Subject: Re: [PATCH 2/2] clocksource: sun4i: change CPU mask to cpu_possible_mask
Date: Thu, 07 Nov 2013 11:19:41 +0100 [thread overview]
Message-ID: <527B693D.9010304@linaro.org> (raw)
In-Reply-To: <1382699771-4396-3-git-send-email-maxime.ripard@free-electrons.com>
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@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,
>
--
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next prev parent reply other threads:[~2013-11-07 10:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-25 11:16 [PATCH 0/2] More Allwinner SoC timer fixes Maxime Ripard
2013-10-25 11:16 ` [PATCH 1/2] clockevent: sun4i: Fill the irq field in the clockevent structure Maxime Ripard
2013-10-28 16:19 ` Stephen Boyd
2013-11-07 10:17 ` Daniel Lezcano
2013-10-25 11:16 ` [PATCH 2/2] clocksource: sun4i: change CPU mask to cpu_possible_mask Maxime Ripard
2013-10-28 16:19 ` Stephen Boyd
2013-11-07 10:19 ` Daniel Lezcano [this message]
2013-11-10 9:52 ` Maxime Ripard
2013-11-05 23:38 ` [PATCH 0/2] More Allwinner SoC timer fixes Daniel Lezcano
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