From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263511AbTDGPbI (for ); Mon, 7 Apr 2003 11:31:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263516AbTDGPbH (for ); Mon, 7 Apr 2003 11:31:07 -0400 Received: from smtp03.web.de ([217.72.192.158]:19238 "EHLO smtp.web.de") by vger.kernel.org with ESMTP id S263511AbTDGPbG (for ); Mon, 7 Apr 2003 11:31:06 -0400 From: Michael Buesch To: linux-kernel@vger.kernel.org Subject: Re: modifying line state manually on ttyS Date: Mon, 7 Apr 2003 17:42:27 +0200 User-Agent: KMail/1.5 References: <200304071702.08114.freesoftwaredeveloper@web.de> <1049724987.2965.60.camel@dhcp22.swansea.linux.org.uk> In-Reply-To: <1049724987.2965.60.camel@dhcp22.swansea.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200304071742.27972.freesoftwaredeveloper@web.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 07 April 2003 16:16, Alan Cox wrote: > TxD is a bad choice. A lot of the hardware cannot control TXD this > way. DTR is the usual one because it is easy to handle but there > are other control lines you can drive directly (see TIOCGMODEM) Oh great, you have just discovered the reason, why my driver is working on my Pentium1-PC but not on my Pentium4-PC. It's simply not supported by hardware. I've spent hours and hours about this. :) My device is actually using DTR and RTS. What line could I use instead of TxD? Is it possible to use CTS for this, although it is normally a "input-signal", but not a "output-signal" like RTS? Regards Michael Buesch. -- My homepage: http://www.8ung.at/tuxsoft fighting for peace is like fu**ing for virginity