diff --git a/include/linux/device.h b/include/linux/device.h
index d974dda..721ee31 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -156,6 +156,10 @@
 					struct driver_attribute *);
 extern void driver_remove_file(struct device_driver *, struct driver_attribute *);
 
+extern int __must_check driver_add_kobj(struct device_driver *drv,
+					struct kobject *kobj,
+					const char *fmt, ...);
+
 extern int __must_check driver_for_each_device(struct device_driver * drv,
 		struct device *start, void *data,
 		int (*fn)(struct device *, void *));