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[ARM] lh7a40x: convert to simple clk API

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lh7a40x only uses the clk API for the framebuffer, so there's
no point having a complicated implementation.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2008-11-30 17:34:32 +00:00 committed by Russell King
parent 846b368eb9
commit 80a5931b51
1 changed files with 4 additions and 61 deletions
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65
arch/arm/mach-lh7a40x/clocks.c
View file

@ -72,31 +72,15 @@ unsigned int pclkfreq_get (void)
/* ----- */
static LIST_HEAD(clocks);
static DECLARE_MUTEX(clocks_sem);
struct clk *clk_get (struct device *dev, const char *id)
{
struct clk *p;
struct clk *clk = ERR_PTR(-ENOENT);
down (&clocks_sem);
list_for_each_entry (p, &clocks, node) {
if (strcmp (id, p->name) == 0
&& try_module_get(p->owner)) {
clk = p;
break;
}
}
up (&clocks_sem);
return clk;
return dev && strcmp(dev_name(dev), "cldc-lh7a40x") == 0
? NULL : ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(clk_get);
void clk_put (struct clk *clk)
{
module_put(clk->owner);
}
EXPORT_SYMBOL(clk_put);
@ -111,20 +95,9 @@ void clk_disable (struct clk *clk)
}
EXPORT_SYMBOL(clk_disable);
int clk_use (struct clk *clk)
{
return 0;
}
EXPORT_SYMBOL(clk_use);
void clk_unuse (struct clk *clk)
{
}
EXPORT_SYMBOL(clk_unuse);
unsigned long clk_get_rate (struct clk *clk)
{
return clk->rate;
return 0;
}
EXPORT_SYMBOL(clk_get_rate);
@ -136,36 +109,6 @@ EXPORT_SYMBOL(clk_round_rate);
int clk_set_rate (struct clk *clk, unsigned long rate)
{
int ret = -EIO;
return ret;
return -EIO;
}
EXPORT_SYMBOL(clk_set_rate);
static struct clk clcd_clk = {
.name = "CLCDCLK",
.rate = 0,
};
int clk_register (struct clk *clk)
{
down (&clocks_sem);
list_add (&clk->node, &clocks);
up (&clocks_sem);
return 0;
}
EXPORT_SYMBOL(clk_register);
void clk_unregister (struct clk *clk)
{
down (&clocks_sem);
list_del (&clk->node);
up (&clocks_sem);
}
EXPORT_SYMBOL(clk_unregister);
static int __init clk_init (void)
{
clk_register(&clcd_clk);
return 0;
}
arch_initcall(clk_init);