Hi-- On 6/4/20 3:14 AM, Mateusz Holenko wrote: > +config SERIAL_LITEUART > + tristate "LiteUART serial port support" > + depends on HAS_IOMEM > + depends on OF || COMPILE_TEST > + depends on LITEX_SOC_CONTROLLER > + select SERIAL_CORE > + help > + This driver is for the FPGA-based LiteUART serial controller from LiteX > + SoC builder. > + > + Say 'Y' here if you wish to use the LiteUART serial controller. > + Otherwise, say 'N'. That last paragraph seems to say that Y and N are the only choices here. It can also be set to M ... -- ~Randy