| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright 2016 NXP Semiconductors |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/suspend.h> |
| #include <linux/io.h> |
| |
| static int imx25_suspend_enter(suspend_state_t state) |
| { |
| if (!IS_ENABLED(CONFIG_PM)) |
| return 0; |
| |
| switch (state) { |
| case PM_SUSPEND_MEM: |
| cpu_do_idle(); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static const struct platform_suspend_ops imx25_suspend_ops = { |
| .enter = imx25_suspend_enter, |
| .valid = suspend_valid_only_mem, |
| }; |
| |
| void __init imx25_pm_init(void) |
| { |
| suspend_set_ops(&imx25_suspend_ops); |
| } |
