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 
12 struct clk_hw;
13 
14 #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
15 struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
16 				       const char *dev_id, const char *con_id);
17 #endif
18 
19 #ifdef CONFIG_COMMON_CLK
20 struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
21 			     const char *con_id);
22 void __clk_free_clk(struct clk *clk);
23 int __clk_get(struct clk *clk);
24 void __clk_put(struct clk *clk);
25 #else
26 /* All these casts to avoid ifdefs in clkdev... */
27 static inline struct clk *
__clk_create_clk(struct clk_hw * hw,const char * dev_id,const char * con_id)28 __clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id)
29 {
30 	return (struct clk *)hw;
31 }
__clk_free_clk(struct clk * clk)32 static inline void __clk_free_clk(struct clk *clk) { }
__clk_get_hw(struct clk * clk)33 static struct clk_hw *__clk_get_hw(struct clk *clk)
34 {
35 	return (struct clk_hw *)clk;
36 }
__clk_get(struct clk * clk)37 static inline int __clk_get(struct clk *clk) { return 1; }
__clk_put(struct clk * clk)38 static inline void __clk_put(struct clk *clk) { }
39 
40 #endif
41