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 
imx25_suspend_enter(suspend_state_t state)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 
imx25_pm_init(void)32 void __init imx25_pm_init(void)
33 {
34 	suspend_set_ops(&imx25_suspend_ops);
35 }
36