Re: [PATCH] extcon: Remove unneeded extern keyword from extcon.h

From: Chanwoo Choi
Date: Thu Jan 16 2020 - 19:57:45 EST


On 1/16/20 1:39 PM, Chanwoo Choi wrote:
> 'extern' keyword is unneeded in extcon.h because public header file
> of extcon defines the function prototype.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> ---
> include/linux/extcon.h | 30 +++++++++++++++---------------
> 1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/include/linux/extcon.h b/include/linux/extcon.h
> index 2bdf643d8593..1b1d77ec2114 100644
> --- a/include/linux/extcon.h
> +++ b/include/linux/extcon.h
> @@ -170,7 +170,7 @@ struct extcon_dev;
> * Following APIs get the connected state of each 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.
> @@ -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
> * 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,
> 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);
>
> /*
> @@ -196,38 +196,38 @@ extern int extcon_get_property_capability(struct extcon_dev *edev,
> * extcon_register_notifier_all(*edev, *nb) : Register a notifier block
> * 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);
> -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);
> -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 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 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);
> -extern int extcon_unregister_notifier_all(struct extcon_dev *edev,
> +int extcon_unregister_notifier_all(struct extcon_dev *edev,
> 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 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 notifier_block *nb);
>
> /*
> * 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);
> -extern 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_extcon_dev(const char *extcon_name);
> +struct extcon_dev *extcon_find_edev_by_node(struct device_node *node);
> +struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
> int index);
>
> /* 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 */
> static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id)
>

Applied it.

--
Best Regards,
Chanwoo Choi
Samsung Electronics