1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/init.h>
3 #include <linux/suspend.h>
4 #include <asm/suspend.h>
7 static int tango_pm_powerdown(unsigned long arg)
9 tango_suspend(__pa_symbol(cpu_resume));
11 return -EIO; /* tango_suspend has failed */
14 static int tango_pm_enter(suspend_state_t state)
16 if (state == PM_SUSPEND_MEM)
17 return cpu_suspend(0, tango_pm_powerdown);
22 static const struct platform_suspend_ops tango_pm_ops = {
23 .enter = tango_pm_enter,
24 .valid = suspend_valid_only_mem,
27 static int __init tango_pm_init(void)
29 suspend_set_ops(&tango_pm_ops);
33 late_initcall(tango_pm_init);