| /* | 
 |  * Copyright 2016 NXP Semiconductors | 
 |  * | 
 |  * This program is free software; you can redistribute it and/or modify | 
 |  * it under the terms of the GNU General Public License version 2 as | 
 |  * published by the Free Software Foundation. | 
 |  */ | 
 |  | 
 | #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); | 
 | } |