suspend.c
1016 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
* Suspend-to-RAM support code for SH-Mobile ARM
*
* Copyright (C) 2011 Magnus Damm
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/pm.h>
#include <linux/suspend.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/cpu.h>
#include <asm/io.h>
#include <asm/system_misc.h>
static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
{
cpu_do_idle();
return 0;
}
static int shmobile_suspend_begin(suspend_state_t state)
{
cpu_idle_poll_ctrl(true);
return 0;
}
static void shmobile_suspend_end(void)
{
cpu_idle_poll_ctrl(false);
}
struct platform_suspend_ops shmobile_suspend_ops = {
.begin = shmobile_suspend_begin,
.end = shmobile_suspend_end,
.enter = shmobile_suspend_default_enter,
.valid = suspend_valid_only_mem,
};
int __init shmobile_suspend_init(void)
{
suspend_set_ops(&shmobile_suspend_ops);
return 0;
}