LXR linux/drivers/clk/clk.h

   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
  12struct clk_hw;
  13
  14#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
  15struct clk *of_clk_get_by_clkspec(struct of_phandle_args *clkspec);
  16struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
  17                                       const char *dev_id, const char *con_id);
  18void of_clk_lock(void);
  19void of_clk_unlock(void);
  20#endif
  21
  22#ifdef CONFIG_COMMON_CLK
  23struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
  24                             const char *con_id);
  25void __clk_free_clk(struct clk *clk);
  26#else
  27/* All these casts to avoid ifdefs in clkdev... */
  28static inline struct clk *
  29__clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id)
  30{
  31        return (struct clk *)hw;
  32}
  33static inline void __clk_free_clk(struct clk *clk) { }
  34static struct clk_hw *__clk_get_hw(struct clk *clk)
  35{
  36        return (struct clk_hw *)clk;
  37}
  38
  39#endif
  40