/*
 * udbg interface to hvc_console.c
 *
 * (C) Copyright David Gibson, IBM Corporation 2008.
 *
 * This program 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.
 *
 * 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.
 *
 * 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 <linux/console.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/irq.h>

#include <asm/udbg.h>

#include "hvc_console.h"

struct hvc_struct *hvc_udbg_dev;

static int hvc_udbg_put(uint32_t vtermno, const char *buf, int count)
{
	int i;

	for (i = 0; i < count && udbg_putc; i++)
		udbg_putc(buf[i]);

	return i;
}

static int hvc_udbg_get(uint32_t vtermno, char *buf, int count)
{
	int i, c;

	if (!udbg_getc_poll)
		return 0;

	for (i = 0; i < count; i++) {
		if ((c = udbg_getc_poll()) == -1)
			break;
		buf[i] = c;
	}

	return i;
}

static const struct hv_ops hvc_udbg_ops = {
	.get_chars = hvc_udbg_get,
	.put_chars = hvc_udbg_put,
};

static int __init hvc_udbg_init(void)
{
	struct hvc_struct *hp;

	if (!udbg_putc)
		return -ENODEV;

	BUG_ON(hvc_udbg_dev);

	hp = hvc_alloc(0, 0, &hvc_udbg_ops, 16);
	if (IS_ERR(hp))
		return PTR_ERR(hp);

	hvc_udbg_dev = hp;

	return 0;
}
device_initcall(hvc_udbg_init);

static int __init hvc_udbg_console_init(void)
{
	if (!udbg_putc)
		return -ENODEV;

	hvc_instantiate(0, 0, &hvc_udbg_ops);
	add_preferred_console("hvc", 0, NULL);

	return 0;
}
console_initcall(hvc_udbg_console_init);
diff/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/net/sctp/sctp.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=e34bac726d27056081d0250c0e173e4b155aa340'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=e34bac726d27056081d0250c0e173e4b155aa340'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net?id=e34bac726d27056081d0250c0e173e4b155aa340'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp?id=e34bac726d27056081d0250c0e173e4b155aa340'>sctp</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340'>sctp.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='e34bac726d27056081d0250c0e173e4b155aa340'/><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'>2016-12-12 20:50:02 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-12 20:50:02 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340'>e34bac726d27056081d0250c0e173e4b155aa340</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=e34bac726d27056081d0250c0e173e4b155aa340'>85607d0b3b185380fb3267866020c6a4372b9298</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340'>include/net/sctp/sctp.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp/sctp.h?id=fe6bce8d30a86c693bf7cfbf4759cbafd121289f'>fe6bce8d30a86c693bf7cfbf4759cbafd121289f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340&amp;id2=fe6bce8d30a86c693bf7cfbf4759cbafd121289f'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp/sctp.h?id=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/sctp/sctp.h?id=e34bac726d27056081d0250c0e173e4b155aa340&amp;id2=39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'akpm' (patches from Andrew)</div><div class='commit-msg'>Merge updates from Andrew Morton:

 - various misc bits

 - most of MM (quite a lot of MM material is awaiting the merge of
   linux-next dependencies)

 - kasan

 - printk updates

 - procfs updates

 - MAINTAINERS

 - /lib updates

 - checkpatch updates

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;: (123 commits)
  init: reduce rootwait polling interval time to 5ms
  binfmt_elf: use vmalloc() for allocation of vma_filesz
  checkpatch: don't emit unified-diff error for rename-only patches
  checkpatch: don't check c99 types like uint8_t under tools
  checkpatch: avoid multiple line dereferences
  checkpatch: don't check .pl files, improve absolute path commit log test
  scripts/checkpatch.pl: fix spelling
  checkpatch: don't try to get maintained status when --no-tree is given
  lib/ida: document locking requirements a bit better
  lib/rbtree.c: fix typo in comment of ____rb_erase_color
  lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
  MAINTAINERS: add drm and drm/i915 irc channels
  MAINTAINERS: add "C:" for URI for chat where developers hang out
  MAINTAINERS: add drm and drm/i915 bug filing info
  MAINTAINERS: add "B:" for URI where to file bugs
  get_maintainer: look for arbitrary letter prefixes in sections
  printk: add Kconfig option to set default console loglevel
  printk/sound: handle more message headers
  printk/btrfs: handle more message headers
  printk/kdb: handle more message headers
  ...
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=e34bac726d27056081d0250c0e173e4b155aa340'>Diffstat</a> (limited to 'include/net/sctp/sctp.h')</div><table summary='diffstat' class='diffstat'>