// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/suspend.h> #include <asm/suspend.h> #include "smc.h" static int tango_pm_powerdown(unsigned long arg) { tango_suspend(__pa_symbol(cpu_resume)); return -EIO; /* tango_suspend has failed */ } static int tango_pm_enter(suspend_state_t state) { if (state == PM_SUSPEND_MEM) return cpu_suspend(0, tango_pm_powerdown); return -EINVAL; } static const struct platform_suspend_ops tango_pm_ops = { .enter = tango_pm_enter, .valid = suspend_valid_only_mem, }; static int __init tango_pm_init(void) { suspend_set_ops(&tango_pm_ops); return 0; } late_initcall(tango_pm_init);