diff --git a/drivers/base/base.h b/drivers/base/base.h
index 5735b38..bbbc2ac 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -11,6 +11,7 @@
 extern int attribute_container_init(void);
 
 extern int bus_add_device(struct device * dev);
+extern void bus_attach_device(struct device * dev);
 extern void bus_remove_device(struct device * dev);
 
 extern int bus_add_driver(struct device_driver *);