diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 316e9cc3987b..1c0c61e8ba69 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -40,6 +40,7 @@ static struct bus_type gadget_bus_type;
  * @allow_connect: Indicates whether UDC is allowed to be pulled up.
  * Set/cleared by gadget_(un)bind_driver() after gadget driver is bound or
  * unbound.
+ * @vbus_work: work routine to handle VBUS status change notifications.
  * @connect_lock: protects udc->started, gadget->connect,
  * gadget->allow_connect and gadget->deactivate. The routines
  * usb_gadget_connect_locked(), usb_gadget_disconnect_locked(),