gpiolib: remove unnecessary extern specifiers from the driver header
'extern' doesn't do anything for function declarations. Remove it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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@ -529,8 +529,7 @@ struct gpio_chip {
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#endif /* CONFIG_OF_GPIO */
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};
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extern const char *gpiochip_is_requested(struct gpio_chip *gc,
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unsigned int offset);
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const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned int offset);
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/**
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* for_each_requested_gpio_in_range - iterates over requested GPIOs in a given range
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@ -549,9 +548,9 @@ extern const char *gpiochip_is_requested(struct gpio_chip *gc,
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for_each_requested_gpio_in_range(chip, i, 0, chip->ngpio, label)
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/* add/remove chips */
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extern int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
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struct lock_class_key *lock_key,
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struct lock_class_key *request_key);
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int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
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struct lock_class_key *lock_key,
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struct lock_class_key *request_key);
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/**
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* gpiochip_add_data() - register a gpio_chip
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@ -599,13 +598,13 @@ static inline int gpiochip_add(struct gpio_chip *gc)
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{
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return gpiochip_add_data(gc, NULL);
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}
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extern void gpiochip_remove(struct gpio_chip *gc);
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extern int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc, void *data,
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struct lock_class_key *lock_key,
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struct lock_class_key *request_key);
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void gpiochip_remove(struct gpio_chip *gc);
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int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc,
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void *data, struct lock_class_key *lock_key,
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struct lock_class_key *request_key);
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extern struct gpio_chip *gpiochip_find(void *data,
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int (*match)(struct gpio_chip *gc, void *data));
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struct gpio_chip *gpiochip_find(void *data,
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int (*match)(struct gpio_chip *gc, void *data));
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bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset);
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int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset);
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