/*
 * poweroff.c - sysrq handler to gracefully power down machine.
 *
 * This file is released under the GPL v2
 */

#include <linux/kernel.h>
#include <linux/sysrq.h>
#include <linux/init.h>
#include <linux/pm.h>
#include <linux/workqueue.h>
#include <linux/reboot.h>
#include <linux/cpumask.h>

/*
 * When the user hits Sys-Rq o to power down the machine this is the
 * callback we use.
 */

static void do_poweroff(struct work_struct *dummy)
{
	kernel_power_off();
}

static DECLARE_WORK(poweroff_work, do_poweroff);

static void handle_poweroff(int key)
{
	/* run sysrq poweroff on boot cpu */
	schedule_work_on(cpumask_first(cpu_online_mask), &poweroff_work);
}

static struct sysrq_key_op	sysrq_poweroff_op = {
	.handler        = handle_poweroff,
	.help_msg       = "poweroff(o)",
	.action_msg     = "Power Off",
	.enable_mask	= SYSRQ_ENABLE_BOOT,
};

static int __init pm_sysrq_init(void)
{
	register_sysrq_key('o', &sysrq_poweroff_op);
	return 0;
}

subsys_initcall(pm_sysrq_init);
ubmit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master' selected='selected'>master</option>
<option value='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=a524c218bc94c705886a0e0fedeee45d1931da32'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/iio/adi,ad5592r.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/iio/adi,ad5592r.h?id=a524c218bc94c705886a0e0fedeee45d1931da32'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/iio/adi,ad5592r.h?id=a524c218bc94c705886a0e0fedeee45d1931da32'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/iio/adi,ad5592r.h?id=a524c218bc94c705886a0e0fedeee45d1931da32'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/iio/adi,ad5592r.h'>
<input type='hidden' name='id' value='a524c218bc94c705886a0e0fedeee45d1931da32'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=a524c218bc94c705886a0e0fedeee45d1931da32'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=a524c218bc94c705886a0e0fedeee45d1931da32'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings?id=a524c218bc94c705886a0e0fedeee45d1931da32'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/iio?id=a524c218bc94c705886a0e0fedeee45d1931da32'>iio</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/iio/adi,ad5592r.h?id=a524c218bc94c705886a0e0fedeee45d1931da32'>adi,ad5592r.h</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/include/dt-bindings/iio/adi,ad5592r.h?id=a524c218bc94c705886a0e0fedeee45d1931da32&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>