blob: e598ed01aca2474f0cc37f8f02dfc8faabcefaa5 [file] [log] [blame]
/* Copyright (c) 2009, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only 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.
*
*/
/*
* MSM architecture driver to control arm halt behavior
*/
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/fs.h>
#include <asm/system.h>
static int set_nohalt(void *data, u64 val)
{
if (val)
disable_hlt();
else
enable_hlt();
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(nohalt_ops, NULL, set_nohalt, "%llu\n");
static int __init init_hlt_debug(void)
{
debugfs_create_file("nohlt", 0200, NULL, NULL, &nohalt_ops);
return 0;
}
late_initcall(init_hlt_debug);