clk.h 1.2 KB

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  1. /*
  2. * linux/drivers/clk/clk.h
  3. *
  4. * Copyright (C) 2013 Samsung Electronics Co., Ltd.
  5. * Sylwester Nawrocki <s.nawrocki@samsung.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. struct clk_hw;
  12. #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
  13. struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
  14. const char *dev_id, const char *con_id);
  15. #endif
  16. #ifdef CONFIG_COMMON_CLK
  17. struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
  18. const char *con_id);
  19. void __clk_free_clk(struct clk *clk);
  20. int __clk_get(struct clk *clk);
  21. void __clk_put(struct clk *clk);
  22. #else
  23. /* All these casts to avoid ifdefs in clkdev... */
  24. static inline struct clk *
  25. __clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id)
  26. {
  27. return (struct clk *)hw;
  28. }
  29. static inline void __clk_free_clk(struct clk *clk) { }
  30. static struct clk_hw *__clk_get_hw(struct clk *clk)
  31. {
  32. return (struct clk_hw *)clk;
  33. }
  34. static inline int __clk_get(struct clk *clk) { return 1; }
  35. static inline void __clk_put(struct clk *clk) { }
  36. #endif