PM / OPP: Protect updates to list_dev with mutex

[firefly-linux-kernel-4.4.55.git] / drivers / base / power / opp / core.c

diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index ccf2c91aedff7d86b12f0b315f7fae34fd100885..252706d6f60b9c08ceb73851a5d59676c48e50d4 100644 (file)
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -29,7 +29,7 @@
  */
 static LIST_HEAD(dev_opp_list);
 /* Lock to allow exclusive modification to the device and opp lists */
-static DEFINE_MUTEX(dev_opp_list_lock);
+DEFINE_MUTEX(dev_opp_list_lock);
 
 #define opp_rcu_lockdep_assert()                                       \
 do {                                                                   \