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[ARM] 3331/1: S3C24XX - add clk_set_parent() to clock code

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Patch from Ben Dooks

Add clk_set_parent() call to clock code

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Ben Dooks 2006-03-20 17:10:04 +00:00 committed by Russell King
parent 8e40a2f91c
commit d3468daab8
2 changed files with 20 additions and 0 deletions
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18
arch/arm/mach-s3c2410/clock.c
View file

@ -192,6 +192,23 @@ struct clk *clk_get_parent(struct clk *clk)
return clk->parent;
}
int clk_set_parent(struct clk *clk, struct clk *parent)
{
int ret = 0;
if (IS_ERR(clk))
return -EINVAL;
mutex_lock(&clocks_mutex);
if (clk->set_parent)
ret = (clk->set_parent)(clk, parent);
mutex_unlock(&clocks_mutex);
return ret;
}
EXPORT_SYMBOL(clk_get);
EXPORT_SYMBOL(clk_put);
EXPORT_SYMBOL(clk_enable);
@ -200,6 +217,7 @@ EXPORT_SYMBOL(clk_get_rate);
EXPORT_SYMBOL(clk_round_rate);
EXPORT_SYMBOL(clk_set_rate);
EXPORT_SYMBOL(clk_get_parent);
EXPORT_SYMBOL(clk_set_parent);
/* base clock enable */

2
arch/arm/mach-s3c2410/clock.h
View file

@ -19,7 +19,9 @@ struct clk {
int usage;
unsigned long rate;
unsigned long ctrlbit;
int (*enable)(struct clk *, int enable);
int (*set_parent)(struct clk *c, struct clk *parent);
};
/* other clocks which may be registered by board support */