set_state_oneshot_stopped() is called by the clkevt core, when the next
event is required at an expiry time of 'KTIME_MAX'. This normally
happens with NO_HZ_{IDLE|FULL} in both LOWRES/HIGHRES modes.
This patch makes the clockevent device to stop on such an event, to
avoid spurious interrupts, as explained by: commit 8fff52fd5093
("clockevents: Introduce CLOCK_EVT_STATE_ONESHOT_STOPPED state").
Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
drivers/clocksource/exynos_mct.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index ff44082a0827..be09bc0b5e26 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -313,6 +313,7 @@ static struct clock_event_device mct_comp_device = {
.set_state_periodic = mct_set_state_periodic,
.set_state_shutdown = mct_set_state_shutdown,
.set_state_oneshot = mct_set_state_shutdown,
+ .set_state_oneshot_stopped = mct_set_state_shutdown,
.tick_resume = mct_set_state_shutdown,
};
@@ -452,6 +453,7 @@ static int exynos4_local_timer_setup(struct
mct_clock_event_device *mevt)
evt->set_state_periodic = set_state_periodic;
evt->set_state_shutdown = set_state_shutdown;
evt->set_state_oneshot = set_state_shutdown;
+ evt->set_state_oneshot_stopped = set_state_shutdown;
evt->tick_resume = set_state_shutdown;
evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
evt->rating = 450;
--
2.7.0.rc1.186.g94414c4
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
