treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[sfrench/cifs-2.6.git] / arch / arm / mach-mxs / pm.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2010 Freescale Semiconductor, Inc.
4  */
5
6 #include <linux/kernel.h>
7 #include <linux/suspend.h>
8 #include <linux/io.h>
9 #include "pm.h"
10
11 static int mxs_suspend_enter(suspend_state_t state)
12 {
13         switch (state) {
14         case PM_SUSPEND_MEM:
15                 cpu_do_idle();
16                 break;
17
18         default:
19                 return -EINVAL;
20         }
21         return 0;
22 }
23
24 static const struct platform_suspend_ops mxs_suspend_ops = {
25         .enter = mxs_suspend_enter,
26         .valid = suspend_valid_only_mem,
27 };
28
29 void __init mxs_pm_init(void)
30 {
31         suspend_set_ops(&mxs_suspend_ops);
32 }