diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index b8ee320208d41..f56ef23aad903 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1351,11 +1351,13 @@ static void hrtimer_cpu_base_init_expiry_lock(struct hrtimer_cpu_base *base)
 }
 
 static void hrtimer_cpu_base_lock_expiry(struct hrtimer_cpu_base *base)
+	__acquires(&base->softirq_expiry_lock)
 {
 	spin_lock(&base->softirq_expiry_lock);
 }
 
 static void hrtimer_cpu_base_unlock_expiry(struct hrtimer_cpu_base *base)
+	__releases(&base->softirq_expiry_lock)
 {
 	spin_unlock(&base->softirq_expiry_lock);
 }