1 files changed, 1 insertions, 0 deletions
diff --git a/udevdb.h b/udevdb.h
index d6c58ae766..f36a9ca799 100644
--- a/udevdb.h
+++ b/udevdb.h
@@ -11,6 +11,7 @@
 /* function prototypes */
 extern void udevdb_exit(void);
 extern int udevdb_init(int init_flag);
+extern int udevdb_open_ro(void);
 
 extern int udevdb_add_dev(const char *path, const struct udevice *dev);
 extern int udevdb_get_dev(const char *path, struct udevice *dev);