[PATCH 1/2] timers: Add sparse annotation for timer_sync_wait_running().

[Sebastian Andrzej Siewior]

timer_sync_wait_running() first releases two locks and then acquires
them again. This is unexpected and sparse complains about it.

Add sparse annotation for timer_sync_wait_running() to note that the
locking is expected.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
 kernel/time/timer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 64b0d8a0aa0f1..429232d8659a3 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1561,6 +1561,8 @@ static inline void timer_base_unlock_expiry(struct timer_base *base)
  * the waiter to acquire the lock and make progress.
  */
 static void timer_sync_wait_running(struct timer_base *base)
+	__releases(&base->lock) __releases(&base->expiry_lock)
+	__acquires(&base->expiry_lock) __acquires(&base->lock)
 {
 	if (atomic_read(&base->timer_waiters)) {
 		raw_spin_unlock_irq(&base->lock);
-- 
2.45.2