Commit | Line | Data |
---|---|---|
6f668280 DP |
1 | /* |
2 | * Dummy clk implementations for powerpc. | |
3 | * These need to be overridden in platform code. | |
4 | */ | |
5 | ||
6 | #include <linux/clk.h> | |
7 | #include <linux/err.h> | |
8 | #include <linux/errno.h> | |
9 | #include <linux/module.h> | |
10 | #include <asm/clk_interface.h> | |
11 | ||
12 | struct clk_interface clk_functions; | |
13 | ||
14 | struct clk *clk_get(struct device *dev, const char *id) | |
15 | { | |
16 | if (clk_functions.clk_get) | |
17 | return clk_functions.clk_get(dev, id); | |
18 | return ERR_PTR(-ENOSYS); | |
19 | } | |
20 | EXPORT_SYMBOL(clk_get); | |
21 | ||
22 | void clk_put(struct clk *clk) | |
23 | { | |
24 | if (clk_functions.clk_put) | |
25 | clk_functions.clk_put(clk); | |
26 | } | |
27 | EXPORT_SYMBOL(clk_put); | |
28 | ||
29 | int clk_enable(struct clk *clk) | |
30 | { | |
31 | if (clk_functions.clk_enable) | |
32 | return clk_functions.clk_enable(clk); | |
33 | return -ENOSYS; | |
34 | } | |
35 | EXPORT_SYMBOL(clk_enable); | |
36 | ||
37 | void clk_disable(struct clk *clk) | |
38 | { | |
39 | if (clk_functions.clk_disable) | |
40 | clk_functions.clk_disable(clk); | |
41 | } | |
42 | EXPORT_SYMBOL(clk_disable); | |
43 | ||
44 | unsigned long clk_get_rate(struct clk *clk) | |
45 | { | |
46 | if (clk_functions.clk_get_rate) | |
47 | return clk_functions.clk_get_rate(clk); | |
48 | return 0; | |
49 | } | |
50 | EXPORT_SYMBOL(clk_get_rate); | |
51 | ||
52 | long clk_round_rate(struct clk *clk, unsigned long rate) | |
53 | { | |
54 | if (clk_functions.clk_round_rate) | |
55 | return clk_functions.clk_round_rate(clk, rate); | |
56 | return -ENOSYS; | |
57 | } | |
58 | EXPORT_SYMBOL(clk_round_rate); | |
59 | ||
60 | int clk_set_rate(struct clk *clk, unsigned long rate) | |
61 | { | |
62 | if (clk_functions.clk_set_rate) | |
63 | return clk_functions.clk_set_rate(clk, rate); | |
64 | return -ENOSYS; | |
65 | } | |
66 | EXPORT_SYMBOL(clk_set_rate); | |
67 | ||
68 | struct clk *clk_get_parent(struct clk *clk) | |
69 | { | |
70 | if (clk_functions.clk_get_parent) | |
71 | return clk_functions.clk_get_parent(clk); | |
72 | return ERR_PTR(-ENOSYS); | |
73 | } | |
74 | EXPORT_SYMBOL(clk_get_parent); | |
75 | ||
76 | int clk_set_parent(struct clk *clk, struct clk *parent) | |
77 | { | |
78 | if (clk_functions.clk_set_parent) | |
79 | return clk_functions.clk_set_parent(clk, parent); | |
80 | return -ENOSYS; | |
81 | } | |
82 | EXPORT_SYMBOL(clk_set_parent); |