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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,
}
/**
+ * clockevents_shutdown - shutdown the device and clear next_event
+ * @dev: device to shutdown
+ */
+void clockevents_shutdown(struct clock_event_device *dev)
+{
+ clockevents_set_mode(dev, CLOCK_EVT_MODE_SHUTDOWN);
+ dev->next_event.tv64 = KTIME_MAX;
+}
+
+/**
* clockevents_program_event - Reprogram the clock event device.
* @expires: absolute expiry time (monotonic clock)
*
@@ -206,7 +216,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
if (new) {
BUG_ON(new->mode != CLOCK_EVT_MODE_UNUSED);
- clockevents_set_mode(new, CLOCK_EVT_MODE_SHUTDOWN);
+ clockevents_shutdown(new);
}
local_irq_restore(flags);
}