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rtc: set the alarm to the next expiring timer

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[ Upstream commit 74717b28cb ]

If there is any non expired timer in the queue, the RTC alarm is never set.
This is an issue when adding a timer that expires before the next non
expired timer.

Ensure the RTC alarm is set in that case.

Fixes: 2b2f5ff00f ("rtc: interface: ignore expired timers when enqueuing new timers")
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandre Belloni
2017-09-28 13:53:27 +02:00
committed by Greg Kroah-Hartman
parent acc96729e1
commit 15319d2a49
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/interface.c
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@@ -772,7 +772,7 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
}
timerqueue_add(&rtc->timerqueue, &timer->node);
if (!next) {
if (!next || ktime_before(timer->node.expires, next->expires)) {
struct rtc_wkalrm alarm;
int err;
alarm.time = rtc_ktime_to_tm(timer->node.expires);