CONFIG_SERIAL_8250_RSA has waited for a long time to have meaningful help text so let's finally describe what this option actually does.
Signed-off-by: Maciej S. Szmigiero <[email protected]> --- drivers/tty/serial/8250/Kconfig | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index 67ad6b0d595b..48976cbedafd 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -262,7 +262,12 @@ config SERIAL_8250_RSA bool "Support RSA serial ports" depends on SERIAL_8250_EXTENDED help - ::: To be written ::: + Say Y here if you have a IODATA RSA-DV II/S ISA card and + would like to use its >115kbps speeds. + You will need to provide module parameter "probe_rsa", or boot-time + parameter 8250.probe_rsa with I/O addresses of this card then. + + If you don't have such card, or if unsure, say N. config SERIAL_8250_ACORN tristate "Acorn expansion card serial port support"

