From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751922AbXCHOZy (ORCPT ); Thu, 8 Mar 2007 09:25:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751965AbXCHOZy (ORCPT ); Thu, 8 Mar 2007 09:25:54 -0500 Received: from nf-out-0910.google.com ([64.233.182.191]:26255 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751922AbXCHOZx convert rfc822-to-8bit (ORCPT ); Thu, 8 Mar 2007 09:25:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=PSyj2c5NusuYr6y1iR+ZFE7d2Mp5k/mzFr7DcInZ3VDQ8qLwrChuVyM7EKN5DKagZ5G+DuJhnDjwpE2oMR0YccDNnx6SGt+P5eKFheSZDLXkjGyti2csGHl18JW01PApn0O/u0Q9aAkUPTc03rhFtiy0bob6JQ80aF8CYa2PePM= Message-ID: <57354eff0703080625r783f6e39k5d6b2fe4d335a518@mail.gmail.com> Date: Thu, 8 Mar 2007 15:25:52 +0100 From: "Oleksiy Kebkal" To: "Robin Getz" , "Oleksiy Kebkal" , "Krzysztof Halasa" , "Mike Frysinger" , "Linux Kernel Mailing List" , linux-serial@vger.kernel.org Subject: Re: should RTS init in serial core be tied to CRTSCTS In-Reply-To: <20070308134800.GA30023@flint.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8BIT Content-Disposition: inline References: <8bd0f97a0703011603m794e00f5x875eb68ad0db05de@mail.gmail.com> <200703071019.55896.rgetz@blackfin.uclinux.org> <57354eff0703071330k2395e9c8n58e12f2111dcb25a@mail.gmail.com> <200703080844.32157.rgetz@blackfin.uclinux.org> <20070308134800.GA30023@flint.arm.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2007/3/8, Russell King : > On Thu, Mar 08, 2007 at 08:44:31AM -0500, Robin Getz wrote: > > On Wed 7 Mar 2007 16:30, Oleksiy Kebkal pondered: > > > 2007/3/7, Robin Getz : > > > > Right - so the question is where to manage the default state? I was > > > > thinking in the resource might be a good idea, but there isn't really a > > > > good place for it. (You could re-use some bits if flags, but I think that > > > > would not be a good idea). > > > > > > /proc/tty/driver/uartN/settings? > > > > > > > That would let you change things are run time, but the problem is at boot > > time. A default setting needs to be set, so when things initialize, and proc > > does not exist yet, it is still set properly... > > I disagree. "proc does not exist yet" - the only time that applies is > long before userspace as active. > > As I've said already, having a console on the same port as your application > program is just asking for trouble. All bets are off - the kernel _will_ > corrupt your data stream in random places. > > Don't do it - it will _NEVER_ be reliable. > > Never, ever, mix kernel consoles with application serial ports. > > -- > Russell King > Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ > maintainer of: > -- EvoLogics GmbH Blumenstraße 49, 10243 Berlin F&E Labor Bionik Ackerstraße 76, 13355 Berlin Tel.: + 49- (0) 30- 46 06 82 26 Fax: + 49- (0) 30- 46 06 82 15 lesha@evologics.de