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kernel/linux-imx6_3.14.28/arch/arm/mach-shmobile/cpuidle.c 911 Bytes
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  /*
   * CPUIdle support code for SH-Mobile ARM
   *
   *  Copyright (C) 2011 Magnus Damm
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   */
  
  #include <linux/pm.h>
  #include <linux/cpuidle.h>
  #include <linux/suspend.h>
  #include <linux/module.h>
  #include <linux/err.h>
  #include <asm/cpuidle.h>
  #include <asm/io.h>
  
  static struct cpuidle_driver shmobile_cpuidle_default_driver = {
  	.name			= "shmobile_cpuidle",
  	.owner			= THIS_MODULE,
  	.states[0]		= ARM_CPUIDLE_WFI_STATE,
  	.safe_state_index	= 0, /* C1 */
  	.state_count		= 1,
  };
  
  static struct cpuidle_driver *cpuidle_drv = &shmobile_cpuidle_default_driver;
  
  void __init shmobile_cpuidle_set_driver(struct cpuidle_driver *drv)
  {
  	cpuidle_drv = drv;
  }
  
  int __init shmobile_cpuidle_init(void)
  {
  	return cpuidle_register(cpuidle_drv, NULL);
  }