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Commit 6e8908ed authored by Ben Dooks's avatar Ben Dooks Committed by Russell King
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[ARM] 3359/1: S3C24XX - add support for clk_set_rate 



Patch from Ben Dooks

Add support for clk_set_rate and clk_round_rate to the
s3c2410 clock implementation

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent d2a02b93

arch/arm/mach-s3c2410/clock.c

+13 −1
Original line number Diff line number Diff line
@@ -180,12 +180,24 @@ unsigned long clk_get_rate(struct clk *clk) 


long clk_round_rate(struct clk *clk, unsigned long rate)

{

	if (!IS_ERR(clk) && clk->round_rate)

		return (clk->round_rate)(clk, rate);



	return rate;

}



int clk_set_rate(struct clk *clk, unsigned long rate)

{

	int ret;



	if (IS_ERR(clk))

		return -EINVAL;



	mutex_lock(&clocks_mutex);

	ret = (clk->set_rate)(clk, rate);

	mutex_unlock(&clocks_mutex);



	return ret;

}



struct clk *clk_get_parent(struct clk *clk)

arch/arm/mach-s3c2410/clock.h

+2 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ struct clk { 
	unsigned long         ctrlbit;



	int		    (*enable)(struct clk *, int enable);

	int		    (*set_rate)(struct clk *c, unsigned long rate);

	unsigned long	    (*round_rate)(struct clk *c, unsigned long rate);

	int		    (*set_parent)(struct clk *c, struct clk *parent);

};