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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull timer fix from Thomas Gleixner:
 "A single fix to make the cs5535 clock event driver robust agaist
  spurious interrupts"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clockevents/drivers/cs5535: Improve resilience to spurious interrupts
hifive-unleashed-5.1
Linus Torvalds 2017-10-22 06:56:25 -04:00
parent 5670a8471e eb39a7c035
commit 9e415a8edc
1 changed files with 2 additions and 1 deletions
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3
drivers/clocksource/cs5535-clockevt.c
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@ -117,7 +117,8 @@ static irqreturn_t mfgpt_tick(int irq, void *dev_id)
/* Turn off the clock (and clear the event) */
disable_timer(cs5535_event_clock);
if (clockevent_state_shutdown(&cs5535_clockevent))
if (clockevent_state_detached(&cs5535_clockevent) ||
clockevent_state_shutdown(&cs5535_clockevent))
return IRQ_HANDLED;
/* Clear the counter */