usb: renesas_usbhs: Add Renesas USBHS Gadget

This patch add usb gadget code to SuperH USBHS.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index bd873d5..8644191 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -103,4 +103,20 @@
 		 mod->func(param);			\
 	})
 
+/*
+ * gadget control
+ */
+#ifdef CONFIG_USB_RENESAS_USBHS_UDC
+extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
+extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
+#else
+static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
+{
+	return 0;
+}
+static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
+{
+}
+#endif
+
 #endif /* RENESAS_USB_MOD_H */