diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 35ef9cd78a46..97f6d529bd0d 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1324,8 +1324,10 @@ int extcon_dev_register(struct extcon_dev *edev)
 		goto err_dev;
 	}
 
-	for (index = 0; index < edev->max_supported; index++)
+	for (index = 0; index < edev->max_supported; index++) {
 		RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]);
+		BLOCKING_INIT_NOTIFIER_HEAD(&edev->bnh[index]);
+	}
 
 	RAW_INIT_NOTIFIER_HEAD(&edev->nh_all);