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-rw-r--r--kernel/time/clockevents.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 1876b526c778..f8d968063cea 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -72,6 +72,16 @@ void clockevents_set_mode(struct clock_event_device *dev,
72} 72}
73 73
74/** 74/**
75 * clockevents_shutdown - shutdown the device and clear next_event
76 * @dev: device to shutdown
77 */
78void clockevents_shutdown(struct clock_event_device *dev)
79{
80 clockevents_set_mode(dev, CLOCK_EVT_MODE_SHUTDOWN);
81 dev->next_event.tv64 = KTIME_MAX;
82}
83
84/**
75 * clockevents_program_event - Reprogram the clock event device. 85 * clockevents_program_event - Reprogram the clock event device.
76 * @expires: absolute expiry time (monotonic clock) 86 * @expires: absolute expiry time (monotonic clock)
77 * 87 *
@@ -206,7 +216,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
206 216
207 if (new) { 217 if (new) {
208 BUG_ON(new->mode != CLOCK_EVT_MODE_UNUSED); 218 BUG_ON(new->mode != CLOCK_EVT_MODE_UNUSED);
209 clockevents_set_mode(new, CLOCK_EVT_MODE_SHUTDOWN); 219 clockevents_shutdown(new);
210 } 220 }
211 local_irq_restore(flags); 221 local_irq_restore(flags);
212} 222}