Commit e344c9e7 authored by Thomas Gleixner's avatar Thomas Gleixner

alarmtimer: Implement try_to_cancel callback

Preparatory change to utilize the common posix timer mechanisms.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20170530211657.670026824@linutronix.de
parent d653d845
......@@ -572,6 +572,15 @@ static ktime_t alarm_timer_remaining(struct k_itimer *timr, ktime_t now)
return ktime_sub(now, alarm->node.expires);
}
/**
* alarm_timer_try_to_cancel - Posix timer callback to cancel a timer
* @timr: Pointer to the posixtimer data struct
*/
static int alarm_timer_try_to_cancel(struct k_itimer *timr)
{
return alarm_try_to_cancel(&timr->it.alarm.alarmtimer);
}
/**
* alarm_clock_getres - posix getres interface
* @which_clock: clockid
......@@ -902,6 +911,7 @@ const struct k_clock alarm_clock = {
.timer_rearm = alarm_timer_rearm,
.timer_forward = alarm_timer_forward,
.timer_remaining = alarm_timer_remaining,
.timer_try_to_cancel = alarm_timer_try_to_cancel,
.nsleep = alarm_timer_nsleep,
};
#endif /* CONFIG_POSIX_TIMERS */
......
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