From mboxrd@z Thu Jan 1 00:00:00 1970 From: ian Subject: Line disciplines. Date: Tue, 15 Jul 2008 21:10:25 +0100 Message-ID: <1216152625.11481.38.camel@wirenth> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mk-outboundfilter-5.mail.uk.tiscali.com ([212.74.114.1]:59336 "EHLO mk-outboundfilter-5.mail.uk.tiscali.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753355AbYGOUV6 (ORCPT ); Tue, 15 Jul 2008 16:21:58 -0400 Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: linux-serial@vger.kernel.org Hi! Im trying to use a line discipline as a way to hook my kernel module up to a serial port. I've implemented methods for open, close, and receive_buf, and registered the line discipline (Im using N_MOUSE as my number for now) I've tried using stty line 2 < /dev/ttyS1 to attach my line discipline to a serial port (and tried this on an already open port too (using cat to open the port) and my methods never get called. I've even written a little userspace program that opens ttyS1 and uses tcsetattr() to select c_line=N_MOUSE. It looks like the ldisc is being set because after this stty reports ttyS1 to be using '2' which is correct, however my methods are still never called. What am I missing? TIA, -Ian