1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2376e9c58SShawn Guo /* 3376e9c58SShawn Guo * Copyright (C) 2010 Freescale Semiconductor, Inc. 4376e9c58SShawn Guo */ 5376e9c58SShawn Guo 6376e9c58SShawn Guo #include <linux/kernel.h> 7376e9c58SShawn Guo #include <linux/suspend.h> 8376e9c58SShawn Guo #include <linux/io.h> 975433607SFabio Estevam #include "pm.h" 10376e9c58SShawn Guo mxs_suspend_enter(suspend_state_t state)11376e9c58SShawn Guostatic int mxs_suspend_enter(suspend_state_t state) 12376e9c58SShawn Guo { 13376e9c58SShawn Guo switch (state) { 14376e9c58SShawn Guo case PM_SUSPEND_MEM: 15ae940913SNicolas Pitre cpu_do_idle(); 16376e9c58SShawn Guo break; 17376e9c58SShawn Guo 18376e9c58SShawn Guo default: 19376e9c58SShawn Guo return -EINVAL; 20376e9c58SShawn Guo } 21376e9c58SShawn Guo return 0; 22376e9c58SShawn Guo } 23376e9c58SShawn Guo 245cd6bc68SArvind Yadav static const struct platform_suspend_ops mxs_suspend_ops = { 25376e9c58SShawn Guo .enter = mxs_suspend_enter, 26376e9c58SShawn Guo .valid = suspend_valid_only_mem, 27376e9c58SShawn Guo }; 28376e9c58SShawn Guo mxs_pm_init(void)2945680995SShawn Guovoid __init mxs_pm_init(void) 30376e9c58SShawn Guo { 31376e9c58SShawn Guo suspend_set_ops(&mxs_suspend_ops); 32376e9c58SShawn Guo } 33