mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init().
Signed-off-by: Zheng Yongjun zhengyongjun3@huawei.com --- drivers/gpu/drm/gma500/power.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c index bea8578846d1..b361e41c6acd 100644 --- a/drivers/gpu/drm/gma500/power.c +++ b/drivers/gpu/drm/gma500/power.c @@ -35,7 +35,7 @@ #include <linux/mutex.h> #include <linux/pm_runtime.h>
-static struct mutex power_mutex; /* Serialize power ops */ +static DEFINE_MUTEX(power_mutex); /* Serialize power ops */ static spinlock_t power_ctrl_lock; /* Serialize power claim */
/** @@ -56,7 +56,6 @@ void gma_power_init(struct drm_device *dev) dev_priv->display_count = 0; /* Currently no users */ dev_priv->suspended = false; /* And not suspended */ spin_lock_init(&power_ctrl_lock); - mutex_init(&power_mutex);
if (dev_priv->ops->init_pm) dev_priv->ops->init_pm(dev);