Commit | Line | Data |
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8c4300c2 FE |
1 | /* |
2 | * Copyright 2016 NXP Semiconductors | |
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 version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #include <linux/kernel.h> | |
10 | #include <linux/suspend.h> | |
11 | #include <linux/io.h> | |
12 | ||
13 | static int imx25_suspend_enter(suspend_state_t state) | |
14 | { | |
15 | if (!IS_ENABLED(CONFIG_PM)) | |
16 | return 0; | |
17 | ||
18 | switch (state) { | |
19 | case PM_SUSPEND_MEM: | |
20 | cpu_do_idle(); | |
21 | break; | |
22 | default: | |
23 | return -EINVAL; | |
24 | } | |
25 | ||
26 | return 0; | |
27 | } | |
28 | ||
29 | static const struct platform_suspend_ops imx25_suspend_ops = { | |
30 | .enter = imx25_suspend_enter, | |
31 | .valid = suspend_valid_only_mem, | |
32 | }; | |
33 | ||
34 | void __init imx25_pm_init(void) | |
35 | { | |
36 | suspend_set_ops(&imx25_suspend_ops); | |
37 | } |