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clkdev: add helper function to register one clock lookup for a struct clk 

Signed-off-by: Carlo Caione <carlo.caione@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Carlo Caione 2012-10-18 21:40:16 +02:00 committed by Sascha Hauer
parent 6f13282949
commit 04b941cbac
2 changed files with 22 additions and 0 deletions
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21
drivers/clk/clkdev.c
View File

@ -178,6 +178,27 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
}
EXPORT_SYMBOL(clkdev_alloc);
int clk_register_clkdev(struct clk *clk, const char *con_id,
const char *dev_fmt, ...)
{
struct clk_lookup *cl;
va_list ap;
if (IS_ERR(clk))
return PTR_ERR(clk);
va_start(ap, dev_fmt);
cl = clkdev_alloc(clk, con_id, dev_fmt, ap);
va_end(ap);
if (!cl)
return -ENOMEM;
clkdev_add(cl);
return 0;
}
int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
struct device_d *dev)
{

1
include/linux/clkdev.h
View File

@ -33,6 +33,7 @@ void clkdev_drop(struct clk_lookup *cl);
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device_d *);
int clk_register_clkdev(struct clk *, const char *, const char *, ...);
int clkdev_add_physbase(struct clk *clk, unsigned long base, const char *id);