141 	mutex_locked = mutex_trylock(&dev->mfc_mutex);  in s5p_mfc_watchdog_worker()
178 		mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_watchdog_worker()
723 	if (mutex_lock_interruptible(&dev->mfc_mutex))  in s5p_mfc_open()
849 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_open()
874 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_open()
886 	mutex_lock(&dev->mfc_mutex);  in s5p_mfc_release()
917 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_release()
932 	mutex_lock(&dev->mfc_mutex);  in s5p_mfc_poll()
945 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_poll()
949 	mutex_lock(&dev->mfc_mutex);  in s5p_mfc_poll()
969 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_poll()
981 	if (mutex_lock_interruptible(&dev->mfc_mutex))  in s5p_mfc_mmap()
991 	mutex_unlock(&dev->mfc_mutex);  in s5p_mfc_mmap()
1148 	mutex_init(&dev->mfc_mutex);  in s5p_mfc_probe()
1169 	vfd->lock	= &dev->mfc_mutex;  in s5p_mfc_probe()
1194 	vfd->lock	= &dev->mfc_mutex;  in s5p_mfc_probe()