diff --git a/include/regmap.h b/include/regmap.h
index 4cb473c..bcbe6c1 100644
--- a/include/regmap.h
+++ b/include/regmap.h
@@ -41,6 +41,7 @@
 			     const struct regmap_bus *bus,
 			     void *bus_context,
 			     const struct regmap_config *config);
+void regmap_exit(struct regmap *map);
 
 struct regmap *dev_get_regmap(struct device_d *dev, const char *name);
 struct regmap *of_node_to_regmap(struct device_node *node);