From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 15 Dec 2002 10:00:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 15 Dec 2002 10:00:03 -0500 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:64005 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id ; Sun, 15 Dec 2002 10:00:01 -0500 Date: Sun, 15 Dec 2002 15:07:52 +0000 From: Russell King To: Brian Murphy Cc: linux-kernel@vger.kernel.org Subject: Re: early_serial_setup is broken in the 2.5 series Message-ID: <20021215150752.A6486@flint.arm.linux.org.uk> Mail-Followup-To: Brian Murphy , linux-kernel@vger.kernel.org References: <3DFC921C.1030302@murphy.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <3DFC921C.1030302@murphy.dk>; from brian@murphy.dk on Sun, Dec 15, 2002 at 03:30:52PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Dec 15, 2002 at 03:30:52PM +0100, Brian Murphy wrote: > As far as I can see early_serial_setup should be capable of being > used to dynamically setup a serial port at any time in the boot > process - this is certainly the case in the 2.4 kernels. > > However if it is used during architecture initialization, for example, > then the serial8250_reg uart driver has not been registered and > initialized even though it is used in the early_serial_setup call. > > What was wrong with the 2.4 implimentation where the registered > serial ports were saved until the serial driver was ready to use them? Its broken at present. Last I heard, Khalid is working on a fix (since he has the hardware to be able to test it, its sensible that I wait until he has a fix.) -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html