blob: c1febe13f709e6a24b0bcbf4d709d80d2f189bb0 [file] [log] [blame]
Magnus Dammc3dada12011-04-29 02:23:28 +09001/*
2 * Suspend-to-RAM support code for SH-Mobile ARM
3 *
4 * Copyright (C) 2011 Magnus Damm
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#include <linux/pm.h>
12#include <linux/suspend.h>
13#include <linux/module.h>
14#include <linux/err.h>
15#include <asm/system.h>
16#include <asm/io.h>
17
18static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
19{
20 cpu_do_idle();
21 return 0;
22}
23
24static int shmobile_suspend_begin(suspend_state_t state)
25{
26 disable_hlt();
27 return 0;
28}
29
30static void shmobile_suspend_end(void)
31{
32 enable_hlt();
33}
34
35struct platform_suspend_ops shmobile_suspend_ops = {
36 .begin = shmobile_suspend_begin,
37 .end = shmobile_suspend_end,
38 .enter = shmobile_suspend_default_enter,
39 .valid = suspend_valid_only_mem,
40};
41
42static int __init shmobile_suspend_init(void)
43{
44 suspend_set_ops(&shmobile_suspend_ops);
45 return 0;
46}
47late_initcall(shmobile_suspend_init);