/*
 * u_f.c -- USB function utilities for Gadget stack
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include "u_f.h"
#include <linux/usb/ch9.h>

struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len)
{
	struct usb_request      *req;

	req = usb_ep_alloc_request(ep, GFP_ATOMIC);
	if (req) {
		req->length = usb_endpoint_dir_out(ep->desc) ?
			usb_ep_align(ep, len) : len;
		req->buf = kmalloc(req->length, GFP_ATOMIC);
		if (!req->buf) {
			usb_ep_free_request(ep, req);
			req = NULL;
		}
	}
	return req;
}
EXPORT_SYMBOL_GPL(alloc_ep_req);
='/cgit.cgi/linux/net-next.git/'>net-next.git</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='c9194b99ae1825bdbafc701965442a47739ff0ad'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master' selected='selected'>master</option>
<option value='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb'>
<input type='hidden' name='id' value='c9194b99ae1825bdbafc701965442a47739ff0ad'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>usb</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c9194b99ae1825bdbafc701965442a47739ff0ad'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-31 13:05:15 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-31 13:05:15 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>c9194b99ae1825bdbafc701965442a47739ff0ad</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>76dbb4da02aea1ba8bd886b7b2c53fdb26202710</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>drivers/usb</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=415f9b71d17d294c2f2075b3fc7717d72e5e48f9'>415f9b71d17d294c2f2075b3fc7717d72e5e48f9</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad&amp;id2=415f9b71d17d294c2f2075b3fc7717d72e5e48f9'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>8e9faa15469ed7c7467423db4c62aeed3ff4cae3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=c9194b99ae1825bdbafc701965442a47739ff0ad&amp;id2=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid</div><div class='commit-msg'>Pull HID fixes from Jiri Kosina:

 - regression fix (sleeping while atomic) for cp2112, from Johan Hovold

 - regression fix for proximity handling under certain circumstances in
   Wacom driver, from Jason Gerecke

 - functional fix for Logitech Rumblepad 2, from Ardinartsev Nikita

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: cp2112: fix gpio-callback error handling
  HID: cp2112: fix sleep-while-atomic
  HID: hid-lg: Fix immediate disconnection of Logitech Rumblepad 2
  HID: usbhid: Quirk a AMI virtual mouse and keyboard with ALWAYS_POLL
  HID: wacom: Fix poor prox handling in 'wacom_pl_irq'
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c9194b99ae1825bdbafc701965442a47739ff0ad'>Diffstat</a> (limited to 'drivers/usb')</div><table summary='diffstat' class='diffstat'>