/*
 * Copyright (c) 2015-2016 MediaTek Inc.
 * Author: Yong Wu <yong.wu@mediatek.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.
 *
 * 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.
 */
#ifndef MTK_IOMMU_SMI_H
#define MTK_IOMMU_SMI_H

#include <linux/bitops.h>
#include <linux/device.h>

#ifdef CONFIG_MTK_SMI

#define MTK_LARB_NR_MAX		8

#define MTK_SMI_MMU_EN(port)	BIT(port)

struct mtk_smi_larb_iommu {
	struct device *dev;
	unsigned int   mmu;
};

struct mtk_smi_iommu {
	unsigned int larb_nr;
	struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX];
};

/*
 * mtk_smi_larb_get: Enable the power domain and clocks for this local arbiter.
 *                   It also initialize some basic setting(like iommu).
 * mtk_smi_larb_put: Disable the power domain and clocks for this local arbiter.
 * Both should be called in non-atomic context.
 *
 * Returns 0 if successful, negative on failure.
 */
int mtk_smi_larb_get(struct device *larbdev);
void mtk_smi_larb_put(struct device *larbdev);

#else

static inline int mtk_smi_larb_get(struct device *larbdev)
{
	return 0;
}

static inline void mtk_smi_larb_put(struct device *larbdev) { }

#endif

#endif
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=d72498ca2cbcf15e5038b184a95f061bca21e820&amp;showmsg=1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/fs?id=d72498ca2cbcf15e5038b184a95f061bca21e820&amp;showmsg=1'>fs</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/fs?id=d72498ca2cbcf15e5038b184a95f061bca21e820'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
86e'>sparc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/arch/sparc/include?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/arch/sparc/include/uapi?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>uapi</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'/><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>Jungseung Lee &lt;js07.lee@samsung.com&gt;</td><td class='right'>2016-12-12 16:46:43 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-12 18:55:10 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/arch/sparc/include/uapi?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/arch/sparc/include/uapi?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>34df14285ce89f83a93f6053a897bcd371dc1e15</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/arch/sparc/include/uapi?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>tools/arch/sparc/include/uapi</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/arch/sparc/include/uapi?id=30f74aa0854c2d5a331b507b14fe421ba4980511'>30f74aa0854c2d5a331b507b14fe421ba4980511</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/arch/sparc/include/uapi?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e&amp;id2=30f74aa0854c2d5a331b507b14fe421ba4980511'>diff</a>)</td></tr></table>
<div class='commit-subject'>init: reduce rootwait polling interval time to 5ms</div><div class='commit-msg'>For several devices, the rootwait time is sensitive because it directly
affects booting time.  The polling interval of rootwait is currently
100ms.  To save unnessesary waiting time, reduce the polling interval to
5 ms.

[akpm@linux-foundation.org: remove used-once #define]
Link: http://lkml.kernel.org/r/20161207060743.1728-1-js07.lee@samsung.com
Signed-off-by: Jungseung Lee &lt;js07.lee@samsung.com&gt;
Cc: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Cc: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>Diffstat</a> (limited to 'tools/arch/sparc/include/uapi')</div><table summary='diffstat' class='diffstat'>