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authorLinus Torvalds <torvalds@linux-foundation.org>2017-10-22 06:56:25 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2017-10-22 06:56:25 -0400
commit9e415a8edce53fb0fed28e15bc06522d122e872e (patch)
treec0f1ed6250d593ad4584dd4c54f4dd5e2c003802
parent5670a8471e27ff400e9446b5bab6c296c8d8a733 (diff)
parenteb39a7c0355393c5a8d930f342ad7a6231b552c4 (diff)
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
-rw-r--r--drivers/clocksource/cs5535-clockevt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/clocksource/cs5535-clockevt.c b/drivers/clocksource/cs5535-clockevt.c
index a1df588343f2..1de8cac99a0e 100644
--- a/drivers/clocksource/cs5535-clockevt.c
+++ b/drivers/clocksource/cs5535-clockevt.c
@@ -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 */

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