1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2016 NXP Semiconductors
4 */
5
6 #include <linux/kernel.h>
7 #include <linux/suspend.h>
8 #include <linux/io.h>
9 #include "common.h"
10
11 static int imx25_suspend_enter(suspend_state_t state)
12 {
13 if (!IS_ENABLED(CONFIG_PM))
14 return 0;
15
16 switch (state) {
17 case PM_SUSPEND_MEM:
18 cpu_do_idle();
19 break;
20 default:
21 return -EINVAL;
22 }
23
24 return 0;
25 }
26
27 static const struct platform_suspend_ops imx25_suspend_ops = {
28 .enter = imx25_suspend_enter,
29 .valid = suspend_valid_only_mem,
30 };
31
32 void __init imx25_pm_init(void)
33 {
34 suspend_set_ops(&imx25_suspend_ops);
35 }
36
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