linux/arch/arm/mach-imx/pm-imx25.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright 2016 NXP Semiconductors
   4 */
   5
   6#include <linux/kernel.h>
   7#include <linux/suspend.h>
   8#include <linux/io.h>
   9
  10static int imx25_suspend_enter(suspend_state_t state)
  11{
  12        if (!IS_ENABLED(CONFIG_PM))
  13                return 0;
  14
  15        switch (state) {
  16        case PM_SUSPEND_MEM:
  17                cpu_do_idle();
  18                break;
  19        default:
  20                return -EINVAL;
  21        }
  22
  23        return 0;
  24}
  25
  26static const struct platform_suspend_ops imx25_suspend_ops = {
  27        .enter = imx25_suspend_enter,
  28        .valid = suspend_valid_only_mem,
  29};
  30
  31void __init imx25_pm_init(void)
  32{
  33        suspend_set_ops(&imx25_suspend_ops);
  34}
  35