1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> 4 * JZ4740 SoC power management support 5 */ 6 7 #include <linux/init.h> 8 #include <linux/pm.h> 9 #include <linux/delay.h> 10 #include <linux/suspend.h> 11 jz4740_pm_enter(suspend_state_t state)12static int jz4740_pm_enter(suspend_state_t state) 13 { 14 __asm__(".set\tmips3\n\t" 15 "wait\n\t" 16 ".set\tmips0"); 17 18 19 20 return 0; 21 } 22 23 static const struct platform_suspend_ops jz4740_pm_ops = { 24 .valid = suspend_valid_only_mem, 25 .enter = jz4740_pm_enter, 26 }; 27 jz4740_pm_init(void)28static int __init jz4740_pm_init(void) 29 { 30 suspend_set_ops(&jz4740_pm_ops); 31 return 0; 32 33 } 34 late_initcall(jz4740_pm_init); 35