2 * u_f.c -- USB function utilities for Gadget stack
4 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
7 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/usb/gadget.h>
17 struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len)
19 struct usb_request *req;
21 req = usb_ep_alloc_request(ep, GFP_ATOMIC);
23 req->length = len ?: default_len;
24 req->buf = kmalloc(req->length, GFP_ATOMIC);
26 usb_ep_free_request(ep, req);
32 EXPORT_SYMBOL_GPL(alloc_ep_req);