diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 264a69f9f952..9a520f42aaac 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -345,7 +345,7 @@ static inline int usb_ep_fifo_status(struct usb_ep *ep)
 static inline void usb_ep_fifo_flush(struct usb_ep *ep)
 { }
 
-static int usb_gsi_ep_op(struct usb_ep *ep,
+static inline int usb_gsi_ep_op(struct usb_ep *ep,
 		struct usb_gsi_request *req, enum gsi_ep_op op)
 { return 0; }
 #endif /* USB_GADGET */
@@ -642,7 +642,8 @@ static inline int usb_gadget_frame_number(struct usb_gadget *gadget)
 { return 0; }
 static inline int usb_gadget_wakeup(struct usb_gadget *gadget)
 { return 0; }
-static int usb_gadget_func_wakeup(struct usb_gadget *gadget, int interface_id)
+static inline int usb_gadget_func_wakeup(struct usb_gadget *gadget,
+					 int interface_id)
 { return 0; }
 static inline int usb_gadget_set_selfpowered(struct usb_gadget *gadget)
 { return 0; }