162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright 2016 NXP Semiconductors 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <linux/kernel.h> 762306a36Sopenharmony_ci#include <linux/suspend.h> 862306a36Sopenharmony_ci#include <linux/io.h> 962306a36Sopenharmony_ci#include "common.h" 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistatic int imx25_suspend_enter(suspend_state_t state) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci if (!IS_ENABLED(CONFIG_PM)) 1462306a36Sopenharmony_ci return 0; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci switch (state) { 1762306a36Sopenharmony_ci case PM_SUSPEND_MEM: 1862306a36Sopenharmony_ci cpu_do_idle(); 1962306a36Sopenharmony_ci break; 2062306a36Sopenharmony_ci default: 2162306a36Sopenharmony_ci return -EINVAL; 2262306a36Sopenharmony_ci } 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci return 0; 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistatic const struct platform_suspend_ops imx25_suspend_ops = { 2862306a36Sopenharmony_ci .enter = imx25_suspend_enter, 2962306a36Sopenharmony_ci .valid = suspend_valid_only_mem, 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_civoid __init imx25_pm_init(void) 3362306a36Sopenharmony_ci{ 3462306a36Sopenharmony_ci suspend_set_ops(&imx25_suspend_ops); 3562306a36Sopenharmony_ci} 36