RPI_FIRMWARE_SET_GPIO_CONFIG 93 drivers/gpio/gpio-raspberrypi-exp.c ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_SET_GPIO_CONFIG, RPI_FIRMWARE_SET_GPIO_CONFIG 122 drivers/gpio/gpio-raspberrypi-exp.c ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_SET_GPIO_CONFIG,