Re: [PATCH v2] rtc: at91rm9200: clear RTC alarm status flag prior to suspending

From: Alexandre Belloni
Date: Sat Oct 17 2015 - 20:15:23 EST


On 12/10/2015 at 16:39:23 +0800, Wenyou Yang wrote :
> As said in the SAMA5D2 datasheet, "Prior to instructing the device
> to enter ULP mode 1, ... and the internal sources of wake-up must
> be cleared."
>
> This patch is to clear the RTC alarm status flag prior to suspending
> to avoid the erroneous wake-up activity, as it is often used as
> the wake-up source for the ULP mode 1.
>
> Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxx>
> ---
>
> Changes in v2:
> - Add more detail commit log.
>
> drivers/rtc/rtc-at91rm9200.c | 2 ++
> 1 file changed, 2 insertions(+)
>
Applied, thanks.

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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