drivers/rapidio/Kconfig v3.0-rc7

RAPIDIO_DISC_TIMEOUT

Discovery timeout duration (seconds)

Amount of time a discovery node waits for a host to complete
enumeration before giving up.

RAPIDIO_ENABLE_RX_TX_PORTS

Enable RapidIO Input/Output Ports

The RapidIO specification describes a Output port transmit
enable and a Input port receive enable. The recommended state
for Input ports and Output ports should be disabled. When
this switch is set the RapidIO subsystem will enable all
ports for Input/Output direction to allow other traffic
than Maintenance transfers.

drivers/rapidio/switches/Kconfig

RAPIDIO_DEBUG

RapidIO subsystem debug messages

Say Y here if you want the RapidIO subsystem to produce a bunch of
debug messages to the system log. Select this if you are having a
problem with the RapidIO subsystem and want to see more of what is
going on.

If you are unsure about this, say N here.