/* mpi-bit.c  -  MPI bit level fucntions
 * Copyright (C) 1998, 1999 Free Software Foundation, Inc.
 *
 * This file is part of GnuPG.
 *
 * GnuPG is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GnuPG 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include "mpi-internal.h"
#include "longlong.h"

#define A_LIMB_1 ((mpi_limb_t) 1)

/****************
 * Sometimes we have MSL (most significant limbs) which are 0;
 * this is for some reasons not good, so this function removes them.
 */
void mpi_normalize(MPI a)
{
	for (; a->nlimbs && !a->d[a->nlimbs - 1]; a->nlimbs--)
		;
}

/****************
 * Return the number of bits in A.
 */
unsigned mpi_get_nbits(MPI a)
{
	unsigned n;

	mpi_normalize(a);

	if (a->nlimbs) {
		mpi_limb_t alimb = a->d[a->nlimbs - 1];
		if (alimb)
			n = count_leading_zeros(alimb);
		else
			n = BITS_PER_MPI_LIMB;
		n = BITS_PER_MPI_LIMB - n + (a->nlimbs - 1) * BITS_PER_MPI_LIMB;
	} else
		n = 0;
	return n;
}
EXPORT_SYMBOL_GPL(mpi_get_nbits);
ref='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/sound/drivers/vx?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/drivers/vx'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/drivers?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>vx</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='d07830db1bdb254e4b50d366010b219286b8c937'/><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>Marcel J.E. Mol &lt;marcel@mesa.nl&gt;</td><td class='right'>2017-01-30 19:26:40 +0100</td></tr>
<tr><th>committer</th><td>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-31 17:27:04 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>d07830db1bdb254e4b50d366010b219286b8c937</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/drivers/vx?id=d07830db1bdb254e4b50d366010b219286b8c937'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>354d7fca237fa3d7e7e63c2196eaa4e1086838ea</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>sound/drivers/vx</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/drivers/vx?h=nds-private-remove&amp;id=5d03a2fd2292e71936c4235885c35ccc3c94695b'>5d03a2fd2292e71936c4235885c35ccc3c94695b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/drivers/vx?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937&amp;id2=5d03a2fd2292e71936c4235885c35ccc3c94695b'>diff</a>)</td></tr></table>
<div class='commit-subject'>USB: serial: pl2303: add ATEN device ID</div><div class='commit-msg'>Seems that ATEN serial-to-usb devices using pl2303 exist with
different device ids. This patch adds a missing device ID so it
is recognised by the driver.

Signed-off-by: Marcel J.E. Mol &lt;marcel@mesa.nl&gt;
Cc: stable &lt;stable@vger.kernel.org&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>Diffstat</a> (limited to 'sound/drivers/vx')</div><table summary='diffstat' class='diffstat'>