ser12_check_uart 402 drivers/net/hamradio/baycom_ser_fdx.c if ((u = ser12_check_uart(dev->base_addr)) == c_uart_unknown){ ser12_check_uart 470 drivers/net/hamradio/baycom_ser_hdx.c if ((u = ser12_check_uart(dev->base_addr)) == c_uart_unknown) {