/*

   * Runtime PM support code

   *
   *  Copyright (C) 2009-2010 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/init.h>
  #include <linux/kernel.h>
  #include <linux/io.h>
  #include <linux/pm_runtime.h>

  #include <linux/pm_domain.h>

  #include <linux/pm_clock.h>

  #include <linux/platform_device.h>
  #include <linux/clk.h>
  #include <linux/sh_clk.h>
  #include <linux/bitmap.h>

  #include <linux/slab.h>

  
  #ifdef CONFIG_PM_RUNTIME

  static int default_platform_runtime_idle(struct device *dev)

  {
  	/* suspend synchronously to disable clocks immediately */
  	return pm_runtime_suspend(dev);
  }

  static struct dev_pm_domain default_pm_domain = {

  	.ops = {

  		.runtime_suspend = pm_clk_suspend,
  		.runtime_resume = pm_clk_resume,

  		.runtime_idle = default_platform_runtime_idle,
  		USE_PLATFORM_PM_SLEEP_OPS
  	},
  };

  #define DEFAULT_PM_DOMAIN_PTR	(&default_pm_domain)

  #else

  #define DEFAULT_PM_DOMAIN_PTR	NULL

  
  #endif /* CONFIG_PM_RUNTIME */

  static struct pm_clk_notifier_block platform_bus_notifier = {

  	.pm_domain = DEFAULT_PM_DOMAIN_PTR,

  	.con_ids = { NULL, },

  };
  
  static int __init sh_pm_runtime_init(void)
  {

  	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);

  	return 0;
  }
  core_initcall(sh_pm_runtime_init);

  static int __init sh_pm_runtime_late_init(void)
  {

  	pm_genpd_poweroff_unused();

  	return 0;
  }
  late_initcall(sh_pm_runtime_late_init);