gpiochip_add_pin_range 2604 drivers/gpio/gpiolib.c int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
gpiochip_add_pin_range  689 include/linux/gpio/driver.h gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,