tree 769fdbb5f13c38c660e2e13978a02e7be81a4114
parent 850b37a71bde71ac43468bc05d031d5e0704dac3
author Tilman Schmidt <tilman@imap.cc> 1443570311 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1444017206 +0100

Documentation: improve line discipline method descriptions

Mention that the ldisc open method must set tty->receive_room, and
that many methods are optional. Add description of receive_buf2 method.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>