Merge tag 'powerpc-4.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[deliverable/linux.git] / drivers / thermal / step_wise.c

diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index ea9366ad3e6bb285e52e368691a0d495cbb3429f..bcef2e7c4ec96f1cfc662019ccf0440d52d26328 100644 (file)
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -175,7 +175,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
                        update_passive_instance(tz, trip_type, -1);
 
                instance->initialized = true;
+               mutex_lock(&instance->cdev->lock);
                instance->cdev->updated = false; /* cdev needs update */
+               mutex_unlock(&instance->cdev->lock);
        }
 
        mutex_unlock(&tz->lock);