diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index fd183fb9c20f..0c19010da77f 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -271,6 +271,29 @@ static inline  void devm_extcon_unregister_notifier(struct device *dev,
 				struct extcon_dev *edev, unsigned int id,
 				struct notifier_block *nb) { }
 
+static inline int extcon_register_notifier_all(struct extcon_dev *edev,
+					       struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int extcon_unregister_notifier_all(struct extcon_dev *edev,
+						 struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int devm_extcon_register_notifier_all(struct device *dev,
+						    struct extcon_dev *edev,
+						    struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline void devm_extcon_unregister_notifier_all(struct device *dev,
+						       struct extcon_dev *edev,
+						       struct notifier_block *nb) { }
+
 static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
 {
 	return ERR_PTR(-ENODEV);