/*
 * dmaengine.c - Samsung dmaengine wrapper
 *
 * Author: Mark Brown <broonie@linaro.org>
 * Copyright 2013 Linaro
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 */

#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/dmaengine_pcm.h>
#include <sound/soc.h>

#include "dma.h"

int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
				       const char *tx, const char *rx)
{
	unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT;
	struct snd_dmaengine_pcm_config *pcm_conf;

	pcm_conf = devm_kzalloc(dev, sizeof(*pcm_conf), GFP_KERNEL);
	if (!pcm_conf)
		return -ENOMEM;

	pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
	pcm_conf->compat_filter_fn = filter;

	pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
	pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;

	return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags);
}
EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register);

MODULE_AUTHOR("Mark Brown <broonie@linaro.org>");
MODULE_DESCRIPTION("Samsung dmaengine ASoC driver");
MODULE_LICENSE("GPL");
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/fs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>fs</a>/<a href='/cgit.cgi/linux/net-next.git/commit/fs/nfs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>nfs</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'/><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>Rabin Vincent &lt;rabinv@axis.com&gt;</td><td class='right'>2017-01-13 15:00:16 +0100</td></tr>
<tr><th>committer</th><td>Steve French &lt;smfrench@gmail.com&gt;</td><td class='right'>2017-01-14 14:58:29 -0600</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/nfs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>81ddd8c0c5e1cb41184d66567140cb48c53eb3d1</a> (<a href='/cgit.cgi/linux/net-next.git/patch/fs/nfs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>5775397665161f633952a13537df36df682f7218</a> /<a href='/cgit.cgi/linux/net-next.git/tree/fs/nfs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>fs/nfs</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/nfs?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/fs/nfs?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1&amp;id2=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>diff</a>)</td></tr></table>
<div class='commit-subject'>cifs: initialize file_info_lock</div><div class='commit-msg'>Reviewed-by: Jeff Layton &lt;jlayton@redhat.com&gt;
CC: Stable &lt;stable@vger.kernel.org&gt;

file_info_lock is not initalized in initiate_cifs_search(), leading to the
following splat after a simple "mount.cifs ... dir &amp;&amp; ls dir/":

 BUG: spinlock bad magic on CPU#0, ls/486
  lock: 0xffff880009301110, .magic: 00000000, .owner: &lt;none&gt;/-1, .owner_cpu: 0
 CPU: 0 PID: 486 Comm: ls Not tainted 4.9.0 #27
 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
  ffffc900042f3db0 ffffffff81327533 0000000000000000 ffff880009301110
  ffffc900042f3dd0 ffffffff810baf75 ffff880009301110 ffffffff817ae077
  ffffc900042f3df0 ffffffff810baff6 ffff880009301110 ffff880008d69900
 Call Trace:
  [&lt;ffffffff81327533&gt;] dump_stack+0x65/0x92
  [&lt;ffffffff810baf75&gt;] spin_dump+0x85/0xe0
  [&lt;ffffffff810baff6&gt;] spin_bug+0x26/0x30
  [&lt;ffffffff810bb159&gt;] do_raw_spin_lock+0xe9/0x130
  [&lt;ffffffff8159ad2f&gt;] _raw_spin_lock+0x1f/0x30
  [&lt;ffffffff8127e50d&gt;] cifs_closedir+0x4d/0x100
  [&lt;ffffffff81181cfd&gt;] __fput+0x5d/0x160
  [&lt;ffffffff81181e3e&gt;] ____fput+0xe/0x10
  [&lt;ffffffff8109410e&gt;] task_work_run+0x7e/0xa0
  [&lt;ffffffff81002512&gt;] exit_to_usermode_loop+0x92/0xa0
  [&lt;ffffffff810026f9&gt;] syscall_return_slowpath+0x49/0x50
  [&lt;ffffffff8159b484&gt;] entry_SYSCALL_64_fastpath+0xa7/0xa9

Fixes: 3afca265b5f53a0 ("Clarify locking of cifs file and tcon structures and make more granular")
Signed-off-by: Rabin Vincent &lt;rabinv@axis.com&gt;
Signed-off-by: Steve French &lt;smfrench@gmail.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=81ddd8c0c5e1cb41184d66567140cb48c53eb3d1'>Diffstat</a> (limited to 'fs/nfs')</div><table summary='diffstat' class='diffstat'>