From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Wenyou Yang <wenyou.yang@atmel.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
Nicolas Ferre <nicolas.ferre@atmel.com>,
Ludovic Desroches <ludovic.desroches@atmel.com>,
rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] rtc: at91rm9200: clear RTC alarm status flag prior to suspending
Date: Sun, 18 Oct 2015 02:15:16 +0200 [thread overview]
Message-ID: <20151018001516.GX3421@piout.net> (raw)
In-Reply-To: <1444639163-14255-1-git-send-email-wenyou.yang@atmel.com>
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@atmel.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
prev parent reply other threads:[~2015-10-18 0:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 8:39 Wenyou Yang
2015-10-18 0:15 ` Alexandre Belloni [this message]
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