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-rw-r--r--drivers/base/power/runtime.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index a282e74d1a16..457be03b744d 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -141,7 +141,7 @@ u64 pm_runtime_autosuspend_expiration(struct device *dev)
last_busy = READ_ONCE(dev->power.last_busy);
- expires = last_busy + autosuspend_delay * NSEC_PER_MSEC;
+ expires = last_busy + (u64)autosuspend_delay * NSEC_PER_MSEC;
if (expires <= now)
expires = 0; /* Already expired. */
@@ -525,7 +525,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
* We add a slack of 25% to gather wakeups
* without sacrificing the granularity.
*/
- u64 slack = READ_ONCE(dev->power.autosuspend_delay) *
+ u64 slack = (u64)READ_ONCE(dev->power.autosuspend_delay) *
(NSEC_PER_MSEC >> 2);
dev->power.timer_expires = expires;