diff options
Diffstat (limited to 'include/linux/clk.h')
| -rw-r--r-- | include/linux/clk.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h index ad5c43e8ae8..2fd6a423453 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -12,6 +12,7 @@ #ifndef __LINUX_CLK_H #define __LINUX_CLK_H +#include <linux/err.h> #include <linux/kernel.h> #include <linux/notifier.h> @@ -86,7 +87,7 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb); /** * clk_get - lookup and obtain a reference to a clock producer. * @dev: device for clock "consumer" - * @id: clock comsumer ID + * @id: clock consumer ID * * Returns a struct clk corresponding to the clock producer, or * valid IS_ERR() condition containing errno. The implementation @@ -103,7 +104,7 @@ struct clk *clk_get(struct device *dev, const char *id); /** * devm_clk_get - lookup and obtain a managed reference to a clock producer. * @dev: device for clock "consumer" - * @id: clock comsumer ID + * @id: clock consumer ID * * Returns a struct clk corresponding to the clock producer, or * valid IS_ERR() condition containing errno. The implementation @@ -310,4 +311,23 @@ struct clk *clk_get_sys(const char *dev_id, const char *con_id); int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, struct device *dev); +struct device_node; +struct of_phandle_args; + +#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK) +struct clk *of_clk_get(struct device_node *np, int index); +struct clk *of_clk_get_by_name(struct device_node *np, const char *name); +struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec); +#else +static inline struct clk *of_clk_get(struct device_node *np, int index) +{ + return ERR_PTR(-ENOENT); +} +static inline struct clk *of_clk_get_by_name(struct device_node *np, + const char *name) +{ + return ERR_PTR(-ENOENT); +} +#endif + #endif |