sync: Add comment

2013-07-07 13:54:19 -04:00 · 2013-07-07 13:54:19 -04:00 · 11ea9b090c
commit 11ea9b090c
parent 78081bd794
1 changed files with 1 additions and 0 deletions
--- a/lib/cm3/sync.c
+++ b/lib/cm3/sync.c
@ -59,6 +59,7 @@ void mutex_lock(mutex_t *m)

 void mutex_unlock(mutex_t *m)
 {
+        /* Ensure accesses to protected resource are finished */
 	__dmb();

 	/* Free the lock. */