static struct usb_request *xudc_ep_alloc_request(struct usb_ep *_ep,
						 gfp_t gfp_flags)
{
	struct xusb_ep *ep = to_xusb_ep(_ep);
	struct xusb_req *req;

	req = kzalloc(sizeof(*req), gfp_flags);
	if (!req)
		return NULL;

	req->ep = ep;
	INIT_LIST_HEAD(&req->queue);
	return &req->usb_req;
}
static struct usb_request *xudc_ep_alloc_request(struct usb_ep *_ep,
						 gfp_t gfp_flags)
{
	struct xusb_ep *ep = to_xusb_ep(_ep);
	struct xusb_req *req;

	req = kzalloc(sizeof(*req), gfp_flags);
	if (!req)
		return NULL;

	req->ep = ep;
	INIT_LIST_HEAD(&req->queue);
	return &req->usb_req;
}