arm: tegra: fuse: replace globals with functions
[linux-3.10.git] / arch / arm / mach-shmobile / suspend.c
1 /*
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 <linux/cpu.h>
16
17 #include <asm/io.h>
18 #include <asm/system_misc.h>
19
20 static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
21 {
22         cpu_do_idle();
23         return 0;
24 }
25
26 static int shmobile_suspend_begin(suspend_state_t state)
27 {
28         cpu_idle_poll_ctrl(true);
29         return 0;
30 }
31
32 static void shmobile_suspend_end(void)
33 {
34         cpu_idle_poll_ctrl(false);
35 }
36
37 struct platform_suspend_ops shmobile_suspend_ops = {
38         .begin          = shmobile_suspend_begin,
39         .end            = shmobile_suspend_end,
40         .enter          = shmobile_suspend_default_enter,
41         .valid          = suspend_valid_only_mem,
42 };
43
44 int __init shmobile_suspend_init(void)
45 {
46         suspend_set_ops(&shmobile_suspend_ops);
47         return 0;
48 }