sched_clock: Avoid corrupting hrtimer tree during suspend

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / time / sched_clock.c

diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index 4d23dc4..313a662 100644 (file)
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -204,7 +204,8 @@ void __init sched_clock_postinit(void)
 
 static int sched_clock_suspend(void)
 {
-       sched_clock_poll(&sched_clock_timer);
+       update_sched_clock();
+       hrtimer_cancel(&sched_clock_timer);
        cd.suspended = true;
        return 0;
 }
@@ -212,6 +213,7 @@ static int sched_clock_suspend(void)
 static void sched_clock_resume(void)
 {
        cd.epoch_cyc = read_sched_clock();
+       hrtimer_start(&sched_clock_timer, cd.wrap_kt, HRTIMER_MODE_REL);
        cd.suspended = false;
 }