MX_UPORT_4_PORT 169 drivers/usb/serial/mxuport.c .driver_info = MX_UPORT_4_PORT }, MX_UPORT_4_PORT 171 drivers/usb/serial/mxuport.c .driver_info = MX_UPORT_4_PORT }, MX_UPORT_4_PORT 173 drivers/usb/serial/mxuport.c .driver_info = MX_UPORT_4_PORT }, MX_UPORT_4_PORT 954 drivers/usb/serial/mxuport.c } else if (features & MX_UPORT_4_PORT) {