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5fd54ace47
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses. Update the drivers/usb/ and include/linux/usb* files with the correct SPDX license identifier based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
878 B
C
34 lines
878 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* u_f.c -- USB function utilities for Gadget stack
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*
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* Copyright (c) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "u_f.h"
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#include <linux/usb/ch9.h>
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struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len)
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{
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struct usb_request *req;
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req = usb_ep_alloc_request(ep, GFP_ATOMIC);
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if (req) {
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req->length = usb_endpoint_dir_out(ep->desc) ?
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usb_ep_align(ep, len) : len;
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req->buf = kmalloc(req->length, GFP_ATOMIC);
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if (!req->buf) {
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usb_ep_free_request(ep, req);
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req = NULL;
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}
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}
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return req;
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}
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EXPORT_SYMBOL_GPL(alloc_ep_req);
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