summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/clock.c
blob: a764b47791e858af282d14d595c0aa96c2f63847 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/*
 * Dummy clk implementations for powerpc.
 * These need to be overridden in platform code.
 */

#include <linux/clk.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/export.h>
#include <asm/clk_interface.h>

struct clk_interface clk_functions;

struct clk *clk_get(struct device *dev, const char *id)
{
	if (clk_functions.clk_get)
		return clk_functions.clk_get(dev, id);
	return ERR_PTR(-ENOSYS);
}
EXPORT_SYMBOL(clk_get);

void clk_put(struct clk *clk)
{
	if (clk_functions.clk_put)
		clk_functions.clk_put(clk);
}
EXPORT_SYMBOL(clk_put);

int clk_enable(struct clk *clk)
{
	if (clk_functions.clk_enable)
		return clk_functions.clk_enable(clk);
	return -ENOSYS;
}
EXPORT_SYMBOL(clk_enable);

void clk_disable(struct clk *clk)
{
	if (clk_functions.clk_disable)
		clk_functions.clk_disable(clk);
}
EXPORT_SYMBOL(clk_disable);

unsigned long clk_get_rate(struct clk *clk)
{
	if (clk_functions.clk_get_rate)
		return clk_functions.clk_get_rate(clk);
	return 0;
}
EXPORT_SYMBOL(clk_get_rate);

long clk_round_rate(struct clk *clk, unsigned long rate)
{
	if (clk_functions.clk_round_rate)
		return clk_functions.clk_round_rate(clk, rate);
	return -ENOSYS;
}
EXPORT_SYMBOL(clk_round_rate);

int clk_set_rate(struct clk *clk, unsigned long rate)
{
	if (clk_functions.clk_set_rate)
		return clk_functions.clk_set_rate(clk, rate);
	return -ENOSYS;
}
EXPORT_SYMBOL(clk_set_rate);

struct clk *clk_get_parent(struct clk *clk)
{
	if (clk_functions.clk_get_parent)
		return clk_functions.clk_get_parent(clk);
	return ERR_PTR(-ENOSYS);
}
EXPORT_SYMBOL(clk_get_parent);

int clk_set_parent(struct clk *clk, struct clk *parent)
{
	if (clk_functions.clk_set_parent)
		return clk_functions.clk_set_parent(clk, parent);
	return -ENOSYS;
}
EXPORT_SYMBOL(clk_set_parent);