1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2010 Freescale Semiconductor, Inc. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #include <linux/kernel.h> 7*4882a593Smuzhiyun #include <linux/suspend.h> 8*4882a593Smuzhiyun #include <linux/io.h> 9*4882a593Smuzhiyun #include "pm.h" 10*4882a593Smuzhiyun mxs_suspend_enter(suspend_state_t state)11*4882a593Smuzhiyunstatic int mxs_suspend_enter(suspend_state_t state) 12*4882a593Smuzhiyun { 13*4882a593Smuzhiyun switch (state) { 14*4882a593Smuzhiyun case PM_SUSPEND_MEM: 15*4882a593Smuzhiyun cpu_do_idle(); 16*4882a593Smuzhiyun break; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun default: 19*4882a593Smuzhiyun return -EINVAL; 20*4882a593Smuzhiyun } 21*4882a593Smuzhiyun return 0; 22*4882a593Smuzhiyun } 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun static const struct platform_suspend_ops mxs_suspend_ops = { 25*4882a593Smuzhiyun .enter = mxs_suspend_enter, 26*4882a593Smuzhiyun .valid = suspend_valid_only_mem, 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun mxs_pm_init(void)29*4882a593Smuzhiyunvoid __init mxs_pm_init(void) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun suspend_set_ops(&mxs_suspend_ops); 32*4882a593Smuzhiyun } 33