From: daniel.lezcano@linaro.org (Daniel Lezcano)
To: linux-arm-kernel@lists.infradead.org
Subject: [REPOST PATCH] ARM: sunxi: stop timer from ticking before enabling interrupts
Date: Mon, 02 Dec 2013 12:57:21 +0100 [thread overview]
Message-ID: <529C75A1.8020009@linaro.org> (raw)
In-Reply-To: <1385976575-28011-1-git-send-email-marc.zyngier@arm.com>
On 12/02/2013 10:29 AM, Marc Zyngier wrote:
> The sun4i timer can still be ticking when we enable the interrupt.
> If another timer is actually used (A7 architected timer, for example),
> odds are that the interrupt will eventually fire with the event_handler
> pointer being NULL.
>
> The obvious fix it to stop the timer before registering the interrupt.
>
> Observed and tested on sun7i (cubietruck).
>
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
Applied to my tree as 3.13 fixes.
Thanks
-- Daniel
--
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prev parent reply other threads:[~2013-12-02 11:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-02 9:29 [REPOST PATCH] ARM: sunxi: stop timer from ticking before enabling interrupts Marc Zyngier
2013-12-02 10:32 ` Daniel Lezcano
2013-12-02 10:46 ` Marc Zyngier
2013-12-02 10:49 ` Maxime Ripard
2013-12-02 11:57 ` Daniel Lezcano [this message]
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