[PATCH v2] rtc: at91rm9200: clear RTC alarm status flag prior to suspending
alexandre.belloni at free-electrons.com
Sat Oct 17 17:15:16 PDT 2015
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 at atmel.com>
> Changes in v2:
> - Add more detail commit log.
> drivers/rtc/rtc-at91rm9200.c | 2 ++
> 1 file changed, 2 insertions(+)
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
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