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serial: 8250: describe CONFIG_SERIAL_8250_RSA

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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 <mail@maciej.szmigiero.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Maciej S. Szmigiero 2016-03-05 18:35:30 +01:00 committed by Greg Kroah-Hartman
parent aba06e9222
commit a95fc9c8e5
1 changed files with 6 additions and 1 deletions
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7
drivers/tty/serial/8250/Kconfig
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@ -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"