1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/init.h> 3 #include <linux/suspend.h> 4 #include <asm/suspend.h> 5 #include "smc.h" 6 #include "pm.h" 7 tango_pm_powerdown(unsigned long arg)8static int tango_pm_powerdown(unsigned long arg) 9 { 10 tango_suspend(__pa_symbol(cpu_resume)); 11 12 return -EIO; /* tango_suspend has failed */ 13 } 14 tango_pm_enter(suspend_state_t state)15static int tango_pm_enter(suspend_state_t state) 16 { 17 if (state == PM_SUSPEND_MEM) 18 return cpu_suspend(0, tango_pm_powerdown); 19 20 return -EINVAL; 21 } 22 23 static const struct platform_suspend_ops tango_pm_ops = { 24 .enter = tango_pm_enter, 25 .valid = suspend_valid_only_mem, 26 }; 27 tango_pm_init(void)28void __init tango_pm_init(void) 29 { 30 suspend_set_ops(&tango_pm_ops); 31 } 32