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sh: remove unused clock lookup

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Now when all clocks are registered using clkdev,
get rid of the special SH-specific clock lookup.

Also ditch the unused module ref counting code.
This patch syncs the SH behaviour with ARM.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2010-05-11 09:37:12 +00:00 committed by Paul Mundt
parent 67bbabbc86
commit 441c2440ab
2 changed files with 2 additions and 36 deletions
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1
arch/sh/include/asm/clock.h
View File

@ -23,7 +23,6 @@ struct clk {
struct list_head node;
const char *name;
int id;
struct module *owner;
struct clk *parent;
struct clk_ops *ops;

37
arch/sh/kernel/cpu/clock.c
View File

@ -398,49 +398,16 @@ EXPORT_SYMBOL_GPL(clk_round_rate);
* Returns a clock. Note that we first try to use device id on the bus
* and clock name. If this fails, we try to use clock name only.
*/
struct clk *clk_get(struct device *dev, const char *id)
struct clk *clk_get(struct device *dev, const char *con_id)
{
const char *dev_id = dev ? dev_name(dev) : NULL;
struct clk *p, *clk = ERR_PTR(-ENOENT);
int idno;
clk = clk_get_sys(dev_id, id);
if (clk && !IS_ERR(clk))
return clk;
if (dev == NULL || dev->bus != &platform_bus_type)
idno = -1;
else
idno = to_platform_device(dev)->id;
mutex_lock(&clock_list_sem);
list_for_each_entry(p, &clock_list, node) {
if (p->name && p->id == idno &&
strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
goto found;
}
}
list_for_each_entry(p, &clock_list, node) {
if (p->name &&
strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
break;
}
}
found:
mutex_unlock(&clock_list_sem);
return clk;
return clk_get_sys(dev_id, con_id);
}
EXPORT_SYMBOL_GPL(clk_get);
void clk_put(struct clk *clk)
{
if (clk && !IS_ERR(clk))
module_put(clk->owner);
}
EXPORT_SYMBOL_GPL(clk_put);