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

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Message-ID: <20151018001516.GX3421@piout.net>
Date:	Sun, 18 Oct 2015 02:15:16 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Wenyou Yang <wenyou.yang@...el.com>
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] rtc: at91rm9200: clear RTC alarm status flag prior to
 suspending

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@...el.com>
> ---
> 
> 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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