gpiochip_add_data_with_key
ret = gpiochip_add_data_with_key(gc, data, lock_key, request_key);
EXPORT_SYMBOL_GPL(gpiochip_add_data_with_key);
int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
gpiochip_add_data_with_key(gc, data, &lock_key, \
#define gpiochip_add_data(gc, data) gpiochip_add_data_with_key(gc, data, NULL, NULL)