diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/clocksource.c | 10 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 2 | ||||
| -rw-r--r-- | kernel/timer.c | 2 |
3 files changed, 5 insertions, 9 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 3db5c3c..51b6a6a 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -74,7 +74,7 @@ static struct clocksource *watchdog; static struct timer_list watchdog_timer; static DEFINE_SPINLOCK(watchdog_lock); static cycle_t watchdog_last; -static int watchdog_resumed; +static unsigned long watchdog_resumed; /* * Interval: 0.5sec Threshold: 0.0625s @@ -104,9 +104,7 @@ static void clocksource_watchdog(unsigned long data) spin_lock(&watchdog_lock); - resumed = watchdog_resumed; - if (unlikely(resumed)) - watchdog_resumed = 0; + resumed = test_and_clear_bit(0, &watchdog_resumed); wdnow = watchdog->read(); wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask); @@ -151,9 +149,7 @@ static void clocksource_watchdog(unsigned long data) } static void clocksource_resume_watchdog(void) { - spin_lock(&watchdog_lock); - watchdog_resumed = 1; - spin_unlock(&watchdog_lock); + set_bit(0, &watchdog_resumed); } static void clocksource_check_watchdog(struct clocksource *cs) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index f9217bf..3d1042f 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -273,6 +273,8 @@ static int timekeeping_resume(struct sys_device *dev) unsigned long flags; unsigned long now = read_persistent_clock(); + clocksource_resume(); + write_seqlock_irqsave(&xtime_lock, flags); if (now && (now > timekeeping_suspend_time)) { diff --git a/kernel/timer.c b/kernel/timer.c index a6c580a..5ec5490 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1499,8 +1499,6 @@ unregister_time_interpolator(struct time_interpolator *ti) prev = &curr->next; } - clocksource_resume(); - write_seqlock_irqsave(&xtime_lock, flags); if (ti == time_interpolator) { /* we lost the best time-interpolator: */ |