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Commit b3db80f7 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

alarmtimer: Implement timer_rearm() 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/20170530211657.434598989@linutronix.de
parent eae1c4ae

kernel/time/alarmtimer.c

+14 −1
Original line number Diff line number Diff line
@@ -536,6 +536,18 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, 
	return result;

}



/**

 * alarm_timer_rearm - Posix timer callback for rearming timer

 * @timr:	Pointer to the posixtimer data struct

 */

static void alarm_timer_rearm(struct k_itimer *timr)

{

	struct alarm *alarm = &timr->it.alarm.alarmtimer;



	timr->it_overrun += alarm_forward_now(alarm, timr->it_interval);

	alarm_start(alarm, alarm->node.expires);

}



/**

 * alarm_clock_getres - posix getres interface

 * @which_clock: clockid
@@ -594,7 +606,7 @@ static int alarm_timer_create(struct k_itimer *new_timer) 


/**

 * alarm_timer_get - posix timer_get interface

 * @new_timer: k_itimer pointer

 * @timr: k_itimer pointer

 * @cur_setting: itimerspec data to fill

 *

 * Copies out the current itimerspec data
@@ -863,6 +875,7 @@ const struct k_clock alarm_clock = { 
	.timer_set	= alarm_timer_set,

	.timer_del	= alarm_timer_del,

	.timer_get	= alarm_timer_get,

	.timer_rearm	= alarm_timer_rearm,

	.nsleep		= alarm_timer_nsleep,

};

#endif /* CONFIG_POSIX_TIMERS */