pm_runtime.c 951 B

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  1. /*
  2. * Runtime PM support code
  3. *
  4. * Copyright (C) 2009-2010 Magnus Damm
  5. *
  6. * This file is subject to the terms and conditions of the GNU General Public
  7. * License. See the file "COPYING" in the main directory of this archive
  8. * for more details.
  9. */
  10. #include <linux/init.h>
  11. #include <linux/kernel.h>
  12. #include <linux/io.h>
  13. #include <linux/pm_runtime.h>
  14. #include <linux/pm_domain.h>
  15. #include <linux/pm_clock.h>
  16. #include <linux/platform_device.h>
  17. #include <linux/clk.h>
  18. #include <linux/sh_clk.h>
  19. #include <linux/bitmap.h>
  20. #include <linux/slab.h>
  21. static struct dev_pm_domain default_pm_domain = {
  22. .ops = {
  23. USE_PM_CLK_RUNTIME_OPS
  24. USE_PLATFORM_PM_SLEEP_OPS
  25. },
  26. };
  27. static struct pm_clk_notifier_block platform_bus_notifier = {
  28. .pm_domain = &default_pm_domain,
  29. .con_ids = { NULL, },
  30. };
  31. static int __init sh_pm_runtime_init(void)
  32. {
  33. pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
  34. return 0;
  35. }
  36. core_initcall(sh_pm_runtime_init);