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-rw-r--r--drivers/base/power/runtime.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 70624695b6d5..a282e74d1a16 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -121,7 +121,7 @@ static void pm_runtime_cancel_pending(struct device *dev)
* Compute the autosuspend-delay expiration time based on the device's
* power.last_busy time. If the delay has already expired or is disabled
* (negative) or the power.use_autosuspend flag isn't set, return 0.
- * Otherwise return the expiration time in jiffies (adjusted to be nonzero).
+ * Otherwise return the expiration time in nanoseconds (adjusted to be nonzero).
*
* This function may be called either with or without dev->power.lock held.
* Either way it can be racy, since power.last_busy may be updated at any time.
@@ -905,7 +905,10 @@ static enum hrtimer_restart pm_suspend_timer_fn(struct hrtimer *timer)
spin_lock_irqsave(&dev->power.lock, flags);
expires = dev->power.timer_expires;
- /* If 'expire' is after 'jiffies' we've been called too early. */
+ /*
+ * If 'expires' is after the current time, we've been called
+ * too early.
+ */
if (expires > 0 && expires < ktime_to_ns(ktime_get())) {
dev->power.timer_expires = 0;
rpm_suspend(dev, dev->power.timer_autosuspends ?