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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-30 17:34:32 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-30 17:34:32 +0000
commit80a5931b518438cc61926673ccbb2b223d01d201 (patch)
tree8737144350a72cf806bc708fb0b660b29ac233e5 /arch/arm/mach-lh7a40x
parent846b368eb91da88ae35bf541d5604edcd5733bc3 (diff)
[ARM] lh7a40x: convert to simple clk API
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>
Diffstat (limited to 'arch/arm/mach-lh7a40x')
-rw-r--r--arch/arm/mach-lh7a40x/clocks.c65
1 files changed, 4 insertions, 61 deletions
diff --git a/arch/arm/mach-lh7a40x/clocks.c b/arch/arm/mach-lh7a40x/clocks.c
index fcdac94a951..6182f5410b4 100644
--- a/arch/arm/mach-lh7a40x/clocks.c
+++ b/arch/arm/mach-lh7a40x/clocks.c
@@ -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);