LXR linux/arch/arm/mach-imx/cpuidle-imx5.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2012 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <linux/cpuidle.h>
   7#include <linux/module.h>
   8#include <asm/system_misc.h>
   9#include "cpuidle.h"
  10
  11static int imx5_cpuidle_enter(struct cpuidle_device *dev,
  12                              struct cpuidle_driver *drv, int index)
  13{
  14        arm_pm_idle();
  15        return index;
  16}
  17
  18static struct cpuidle_driver imx5_cpuidle_driver = {
  19        .name             = "imx5_cpuidle",
  20        .owner            = THIS_MODULE,
  21        .states[0] = {
  22                .enter            = imx5_cpuidle_enter,
  23                .exit_latency     = 2,
  24                .target_residency = 1,
  25                .name             = "IMX5 SRPG",
  26                .desc             = "CPU state retained,powered off",
  27        },
  28        .state_count = 1,
  29};
  30
  31int __init imx5_cpuidle_init(void)
  32{
  33        return cpuidle_register(&imx5_cpuidle_driver, NULL);
  34}
  35