static void xudc_free_request(struct usb_ep *_ep, struct usb_request *_req)
{
	struct xusb_req *req = to_xusb_req(_req);

	kfree(req);
}
static void xudc_free_request(struct usb_ep *_ep, struct usb_request *_req)
{
	struct xusb_req *req = to_xusb_req(_req);

	kfree(req);
}