diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 270682486f8217f8481b3f987d6e71c8b6693f10..218371f985ca8c0112a6abf70ead2835fbbea213 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -440,7 +440,7 @@ static int dwc3_drd_notifier(struct notifier_block *nb,
 	return NOTIFY_DONE;
 }
 
-struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
+static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
 {
 	struct device *dev = dwc->dev;
 	struct device_node *np_phy, *np_conn;