LXR linux/arch/arm/mach-tango/pm.c

   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
   7static int tango_pm_powerdown(unsigned long arg)
   8{
   9        tango_suspend(__pa_symbol(cpu_resume));
  10
  11        return -EIO; /* tango_suspend has failed */
  12}
  13
  14static int tango_pm_enter(suspend_state_t state)
  15{
  16        if (state == PM_SUSPEND_MEM)
  17                return cpu_suspend(0, tango_pm_powerdown);
  18
  19        return -EINVAL;
  20}
  21
  22static const struct platform_suspend_ops tango_pm_ops = {
  23        .enter = tango_pm_enter,
  24        .valid = suspend_valid_only_mem,
  25};
  26
  27static int __init tango_pm_init(void)
  28{
  29        suspend_set_ops(&tango_pm_ops);
  30        return 0;
  31}
  32
  33late_initcall(tango_pm_init);
  34