+extern int udev_db_add_device(struct udevice *dev);
+extern int udev_db_delete_device(struct udevice *dev);
+extern int udev_db_get_device(struct udevice *udev, const char *devpath);
+extern int udev_db_lookup_name(const char *name, char *devpath, size_t len);
+extern int udev_db_get_all_entries(struct list_head *name_list);
+