Commit-ID: b3db80f77a95a45dbb2136f7b2a364dc797ea914 Gitweb: http://git.kernel.org/tip/b3db80f77a95a45dbb2136f7b2a364dc797ea914 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Tue, 30 May 2017 23:15:54 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Sun, 4 Jun 2017 15:40:30 +0200
alarmtimer: Implement timer_rearm() callback Preparatory change to utilize the common posix timer mechanisms. Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: Peter Zijlstra <pet...@infradead.org> Cc: John Stultz <john.stu...@linaro.org> Link: http://lkml.kernel.org/r/20170530211657.434598...@linutronix.de --- kernel/time/alarmtimer.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 5b8cf4b..be85e3c 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -537,6 +537,18 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, } /** + * 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 * @tp: timespec to fill @@ -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 */
