arch/arm/mach-mxs/pm.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2010 Freescale Semiconductor, Inc.
   4  */
   5
   6 #include <linux/kernel.h>
   7 #include <linux/suspend.h>
   8 #include <linux/io.h>
   9 #include "pm.h"
  10
  11 static int mxs_suspend_enter(suspend_state_t state)
  12 {
  13         switch (state) {
  14         case PM_SUSPEND_MEM:
  15                 cpu_do_idle();
  16                 break;
  17
  18         default:
  19                 return -EINVAL;
  20         }
  21         return 0;
  22 }
  23
  24 static const struct platform_suspend_ops mxs_suspend_ops = {
  25         .enter = mxs_suspend_enter,
  26         .valid = suspend_valid_only_mem,
  27 };
  28
  29 void __init mxs_pm_init(void)
  30 {
  31         suspend_set_ops(&mxs_suspend_ops);
  32 }