[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / powerpc / kernel / clock.c

/*
 * 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/module.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);
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);