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

From	Wenyou Yang <wenyou.yang@atmel.com>
Newsgroups	linux.kernel
Subject	[PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to suspending
Date	2015-10-12 03:30 +0200
Message-ID	<qiA65-Dv-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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This patch is to clear the RTC alarm status flag prior to suspending
to avoid the erroneous wake-up activity.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
---

 drivers/rtc/rtc-at91rm9200.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index cb62e21..b60fd47 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -495,6 +495,8 @@ static int at91_rtc_suspend(struct device *dev)
 	/* this IRQ is shared with DBGU and other hardware which isn't
 	 * necessarily doing PM like we are...
 	 */
+	at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
+
 	at91_rtc_imr = at91_rtc_read_imr()
 			& (AT91_RTC_ALARM|AT91_RTC_SECEV);
 	if (at91_rtc_imr) {
-- 
1.7.9.5

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[PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to suspending Wenyou Yang <wenyou.yang@atmel.com> - 2015-10-12 03:30 +0200
  Re: [PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to  suspending Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2015-10-12 09:00 +0200
    RE: [PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to  suspending "Yang, Wenyou" <Wenyou.Yang@atmel.com> - 2015-10-12 09:50 +0200
      Re: [PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to  suspending Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2015-10-12 10:00 +0200
        RE: [PATCH] rtc: at91rm9200: clear RTC alarm status flag prior to  suspending "Yang, Wenyou" <Wenyou.Yang@atmel.com> - 2015-10-12 10:00 +0200

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