--- zzzz-none-000/linux-2.6.39.4/include/linux/usb/gadget.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/include/linux/usb/gadget.h	2021-11-10 13:38:17.000000000 +0000
@@ -140,6 +140,7 @@
  */
 struct usb_ep {
 	void			*driver_data;
+        unsigned int            private_data;
 
 	const char		*name;
 	const struct usb_ep_ops	*ops;