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extcon: Remove unneeded extern keyword from extcon.h

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'extern' keyword is unneeded in extcon.h because public header file
of extcon defines the function prototype.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi 2020-01-13 13:09:13 +09:00
parent 2ddf50a75d
commit b7365587f5
1 changed files with 15 additions and 15 deletions
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30
include/linux/extcon.h
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@ -170,7 +170,7 @@ struct extcon_dev;
* Following APIs get the connected state of each external connector. * Following APIs get the connected state of each external connector.
* The 'id' argument indicates the defined external connector. * The 'id' argument indicates the defined external connector.
*/ */
extern int extcon_get_state(struct extcon_dev *edev, unsigned int id); int extcon_get_state(struct extcon_dev *edev, unsigned int id);
/* /*
* Following APIs get the property of each external connector. * Following APIs get the property of each external connector.
@ -181,10 +181,10 @@ extern int extcon_get_state(struct extcon_dev *edev, unsigned int id);
* for each external connector. They are used to get the capability of the * for each external connector. They are used to get the capability of the
* property of each external connector based on the id and property. * property of each external connector based on the id and property.
*/ */
extern int extcon_get_property(struct extcon_dev *edev, unsigned int id, int extcon_get_property(struct extcon_dev *edev, unsigned int id,
unsigned int prop, unsigned int prop,
union extcon_property_value *prop_val); union extcon_property_value *prop_val);
extern int extcon_get_property_capability(struct extcon_dev *edev, int extcon_get_property_capability(struct extcon_dev *edev,
unsigned int id, unsigned int prop); unsigned int id, unsigned int prop);
/* /*
@ -196,38 +196,38 @@ extern int extcon_get_property_capability(struct extcon_dev *edev,
* extcon_register_notifier_all(*edev, *nb) : Register a notifier block * extcon_register_notifier_all(*edev, *nb) : Register a notifier block
* for all supported external connectors of the extcon. * for all supported external connectors of the extcon.
*/ */
extern int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, int extcon_register_notifier(struct extcon_dev *edev, unsigned int id,
struct notifier_block *nb); struct notifier_block *nb);
extern int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id,
struct notifier_block *nb); struct notifier_block *nb);
extern int devm_extcon_register_notifier(struct device *dev, int devm_extcon_register_notifier(struct device *dev,
struct extcon_dev *edev, unsigned int id, struct extcon_dev *edev, unsigned int id,
struct notifier_block *nb); struct notifier_block *nb);
extern void devm_extcon_unregister_notifier(struct device *dev, void devm_extcon_unregister_notifier(struct device *dev,
struct extcon_dev *edev, unsigned int id, struct extcon_dev *edev, unsigned int id,
struct notifier_block *nb); struct notifier_block *nb);
extern int extcon_register_notifier_all(struct extcon_dev *edev, int extcon_register_notifier_all(struct extcon_dev *edev,
struct notifier_block *nb); struct notifier_block *nb);
extern int extcon_unregister_notifier_all(struct extcon_dev *edev, int extcon_unregister_notifier_all(struct extcon_dev *edev,
struct notifier_block *nb); struct notifier_block *nb);
extern int devm_extcon_register_notifier_all(struct device *dev, int devm_extcon_register_notifier_all(struct device *dev,
struct extcon_dev *edev, struct extcon_dev *edev,
struct notifier_block *nb); struct notifier_block *nb);
extern void devm_extcon_unregister_notifier_all(struct device *dev, void devm_extcon_unregister_notifier_all(struct device *dev,
struct extcon_dev *edev, struct extcon_dev *edev,
struct notifier_block *nb); struct notifier_block *nb);
/* /*
* Following APIs get the extcon_dev from devicetree or by through extcon name. * Following APIs get the extcon_dev from devicetree or by through extcon name.
*/ */
extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name); struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name);
extern struct extcon_dev *extcon_find_edev_by_node(struct device_node *node); struct extcon_dev *extcon_find_edev_by_node(struct device_node *node);
extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
int index); int index);
/* Following API get the name of extcon device. */ /* Following API get the name of extcon device. */
extern const char *extcon_get_edev_name(struct extcon_dev *edev); const char *extcon_get_edev_name(struct extcon_dev *edev);
#else /* CONFIG_EXTCON */ #else /* CONFIG_EXTCON */
static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id) static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id)