diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index d95aaa5..408b014 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -92,8 +92,8 @@
 
 static int register_count;
 static DEFINE_MUTEX(register_count_mutex);
-static struct mutex video_list_lock;
-static struct list_head video_bus_head;
+static DEFINE_MUTEX(video_list_lock);
+static LIST_HEAD(video_bus_head);
 static int acpi_video_bus_add(struct acpi_device *device);
 static int acpi_video_bus_remove(struct acpi_device *device);
 static void acpi_video_bus_notify(struct acpi_device *device, u32 event);
@@ -2067,9 +2067,6 @@
 		goto leave;
 	}
 
-	mutex_init(&video_list_lock);
-	INIT_LIST_HEAD(&video_bus_head);
-
 	dmi_check_system(video_dmi_table);
 
 	ret = acpi_bus_register_driver(&acpi_video_bus);