/*
 *  linux/fs/ufs/swab.h
 *
 * Copyright (C) 1997, 1998 Francois-Rene Rideau <fare@tunes.org>
 * Copyright (C) 1998 Jakub Jelinek <jj@ultra.linux.cz>
 * Copyright (C) 2001 Christoph Hellwig <hch@infradead.org>
 */

#ifndef _UFS_SWAB_H
#define _UFS_SWAB_H

/*
 * Notes:
 *    HERE WE ASSUME EITHER BIG OR LITTLE ENDIAN UFSes
 *    in case there are ufs implementations that have strange bytesexes,
 *    you'll need to modify code here as well as in ufs_super.c and ufs_fs.h
 *    to support them.
 */

enum {
	BYTESEX_LE,
	BYTESEX_BE
};

static inline u64
fs64_to_cpu(struct super_block *sbp, __fs64 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return le64_to_cpu((__force __le64)n);
	else
		return be64_to_cpu((__force __be64)n);
}

static inline __fs64
cpu_to_fs64(struct super_block *sbp, u64 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return (__force __fs64)cpu_to_le64(n);
	else
		return (__force __fs64)cpu_to_be64(n);
}

static inline u32
fs32_to_cpu(struct super_block *sbp, __fs32 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return le32_to_cpu((__force __le32)n);
	else
		return be32_to_cpu((__force __be32)n);
}

static inline __fs32
cpu_to_fs32(struct super_block *sbp, u32 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return (__force __fs32)cpu_to_le32(n);
	else
		return (__force __fs32)cpu_to_be32(n);
}

static inline void
fs32_add(struct super_block *sbp, __fs32 *n, int d)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		le32_add_cpu((__le32 *)n, d);
	else
		be32_add_cpu((__be32 *)n, d);
}

static inline void
fs32_sub(struct super_block *sbp, __fs32 *n, int d)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		le32_add_cpu((__le32 *)n, -d);
	else
		be32_add_cpu((__be32 *)n, -d);
}

static inline u16
fs16_to_cpu(struct super_block *sbp, __fs16 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return le16_to_cpu((__force __le16)n);
	else
		return be16_to_cpu((__force __be16)n);
}

static inline __fs16
cpu_to_fs16(struct super_block *sbp, u16 n)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		return (__force __fs16)cpu_to_le16(n);
	else
		return (__force __fs16)cpu_to_be16(n);
}

static inline void
fs16_add(struct super_block *sbp, __fs16 *n, int d)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		le16_add_cpu((__le16 *)n, d);
	else
		be16_add_cpu((__be16 *)n, d);
}

static inline void
fs16_sub(struct super_block *sbp, __fs16 *n, int d)
{
	if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
		le16_add_cpu((__le16 *)n, -d);
	else
		be16_add_cpu((__be16 *)n, -d);
}

#endif /* _UFS_SWAB_H */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/atmel?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>atmel</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'/><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>Bo Shen &lt;voice.shen@atmel.com&gt;</td><td class='right'>2012-05-11 17:39:28 +0800</td></tr>
<tr><th>committer</th><td>Takashi Iwai &lt;tiwai@suse.de&gt;</td><td class='right'>2012-05-11 12:10:04 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/atmel?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>b2522f9262539fc328b4b9344f8a2f7ef2cb18d5</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/atmel?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>b3a3ab5a135c32591033ec9842d4103b36d20eb2</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/atmel?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>sound/atmel</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/atmel?id=2abb80176cd80ad8e939ead9c785ac17dc9890a4'>2abb80176cd80ad8e939ead9c785ac17dc9890a4</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/atmel?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5&amp;id2=2abb80176cd80ad8e939ead9c785ac17dc9890a4'>diff</a>)</td></tr></table>
<div class='commit-subject'>ALSA: atmel/ac97c: correct the unexpected behavior when using uninitial value for reset pin</div><div class='commit-msg'>When pdata-&gt;reset_pin is passed with a negative value (means gpio
is invalid), then chip-&gt;reset_pin will not be assigned to a vaule,
it will use default value 0. This will cause unexpected behavior.

So, add this patch to correct.

Signed-off-by: Bo Shen &lt;voice.shen@atmel.com&gt;
Acked-by: Nicolas Ferre &lt;nicolas.ferre@atmel.com&gt;
Signed-off-by: Takashi Iwai &lt;tiwai@suse.de&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=b2522f9262539fc328b4b9344f8a2f7ef2cb18d5'>Diffstat</a> (limited to 'sound/atmel')</div><table summary='diffstat' class='diffstat'>