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376e9c58 SG |
1 | /* |
2 | * Copyright (C) 2010 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/suspend.h> | |
17 | #include <linux/io.h> | |
376e9c58 SG |
18 | |
19 | static int mxs_suspend_enter(suspend_state_t state) | |
20 | { | |
21 | switch (state) { | |
22 | case PM_SUSPEND_MEM: | |
ae940913 | 23 | cpu_do_idle(); |
376e9c58 SG |
24 | break; |
25 | ||
26 | default: | |
27 | return -EINVAL; | |
28 | } | |
29 | return 0; | |
30 | } | |
31 | ||
32 | static struct platform_suspend_ops mxs_suspend_ops = { | |
33 | .enter = mxs_suspend_enter, | |
34 | .valid = suspend_valid_only_mem, | |
35 | }; | |
36 | ||
45680995 | 37 | void __init mxs_pm_init(void) |
376e9c58 SG |
38 | { |
39 | suspend_set_ops(&mxs_suspend_ops); | |
376e9c58 | 40 | } |