arch/arm/mach-tango/pm.c

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