drivers/clk/clk.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
   4  * Sylwester Nawrocki <s.nawrocki@samsung.com>
   5  */
   6
   7 struct clk_hw;
   8 struct device;
   9 struct of_phandle_args;
  10
  11 #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
  12 struct clk_hw *of_clk_get_hw(struct device_node *np,
  13                                     int index, const char *con_id);
  14 #else /* !CONFIG_COMMON_CLK || !CONFIG_OF */
  15 static inline struct clk_hw *of_clk_get_hw(struct device_node *np,
  16                                     int index, const char *con_id)
  17 {
  18         return ERR_PTR(-ENOENT);
  19 }
  20 #endif
  21
  22 struct clk_hw *clk_find_hw(const char *dev_id, const char *con_id);
  23
  24 #ifdef CONFIG_COMMON_CLK
  25 struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
  26                               const char *dev_id, const char *con_id);
  27 void __clk_put(struct clk *clk);
  28 #else
  29 /* All these casts to avoid ifdefs in clkdev... */
  30 static inline struct clk *
  31 clk_hw_create_clk(struct device *dev, struct clk_hw *hw, const char *dev_id,
  32                   const char *con_id)
  33 {
  34         return (struct clk *)hw;
  35 }
  36 static inline void __clk_put(struct clk *clk) { }
  37
  38 #endif