162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2010 Freescale Semiconductor, Inc. 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 "pm.h" 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistatic int mxs_suspend_enter(suspend_state_t state) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci switch (state) { 1462306a36Sopenharmony_ci case PM_SUSPEND_MEM: 1562306a36Sopenharmony_ci cpu_do_idle(); 1662306a36Sopenharmony_ci break; 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci default: 1962306a36Sopenharmony_ci return -EINVAL; 2062306a36Sopenharmony_ci } 2162306a36Sopenharmony_ci return 0; 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_cistatic const struct platform_suspend_ops mxs_suspend_ops = { 2562306a36Sopenharmony_ci .enter = mxs_suspend_enter, 2662306a36Sopenharmony_ci .valid = suspend_valid_only_mem, 2762306a36Sopenharmony_ci}; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_civoid __init mxs_pm_init(void) 3062306a36Sopenharmony_ci{ 3162306a36Sopenharmony_ci suspend_set_ops(&mxs_suspend_ops); 3262306a36Sopenharmony_ci} 33