diff options
| -rw-r--r-- | arch/arm/common/clkdev.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock.c | 17 | ||||
| -rw-r--r-- | include/linux/clk.h | 13 |
3 files changed, 31 insertions, 17 deletions
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index 5589444ff43..f37afd9422f 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c @@ -135,6 +135,24 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, } EXPORT_SYMBOL(clkdev_alloc); +int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, + struct device *dev) +{ + struct clk *r = clk_get(dev, id); + struct clk_lookup *l; + + if (IS_ERR(r)) + return PTR_ERR(r); + + l = clkdev_alloc(r, alias, alias_dev_name); + clk_put(r); + if (!l) + return -ENODEV; + clkdev_add(l); + return 0; +} +EXPORT_SYMBOL(clk_add_alias); + /* * clkdev_drop - remove a clock dynamically allocated */ diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index db52d2c4791..49ae3829231 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -86,20 +86,3 @@ void clks_register(struct clk_lookup *clks, size_t num) for (i = 0; i < num; i++) clkdev_add(&clks[i]); } - -int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, - struct device *dev) -{ - struct clk *r = clk_get(dev, id); - struct clk_lookup *l; - - if (!r) - return -ENODEV; - - l = clkdev_alloc(r, alias, alias_dev_name); - clk_put(r); - if (!l) - return -ENODEV; - clkdev_add(l); - return 0; -} diff --git a/include/linux/clk.h b/include/linux/clk.h index 1db9bbf444a..1d37f42ac29 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -142,4 +142,17 @@ struct clk *clk_get_parent(struct clk *clk); */ struct clk *clk_get_sys(const char *dev_id, const char *con_id); +/** + * clk_add_alias - add a new clock alias + * @alias: name for clock alias + * @alias_dev_name: device name + * @id: platform specific clock name + * @dev: device + * + * Allows using generic clock names for drivers by adding a new alias. + * Assumes clkdev, see clkdev.h for more info. + */ +int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, + struct device *dev); + #endif |