| // SPDX-License-Identifier: GPL-2.0 |
| #include <linux/init.h> |
| #include <linux/suspend.h> |
| #include <asm/suspend.h> |
| #include "smc.h" |
| #include "pm.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, |
| }; |
| |
| void __init tango_pm_init(void) |
| { |
| suspend_set_ops(&tango_pm_ops); |
| } |