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, 24 Nov 2002 14:09:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 24 Nov 2002 14:09:49 -0500 Received: from ppp-1-24.lond-a-4.access.uk.tiscali.com ([80.225.221.24]:43012 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id ; Sun, 24 Nov 2002 14:09:49 -0500 Date: Sun, 24 Nov 2002 18:07:20 +0000 From: Russell King To: Kronos Cc: linux-kernel@vger.kernel.org Subject: Re: [2.5.49] Serial registered twice Message-ID: <20021124180720.A30521@flint.arm.linux.org.uk> Mail-Followup-To: Kronos , linux-kernel@vger.kernel.org References: <20021124153842.GA586@dreamland.darkstar.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20021124153842.GA586@dreamland.darkstar.lan>; from kronos@kronoz.cjb.net on Sun, Nov 24, 2002 at 04:38:42PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 24, 2002 at 04:38:42PM +0100, Kronos wrote: > In my bootlog I see this: > > Serial: 8250/16550 driver $Revision: 1.90 $ IRQ sharing enabled > tts/0 at I/O 0x3f8 (irq = 4) is a 16550A > tts/1 at I/O 0x2f8 (irq = 3) is a 16550A > pnp: the driver 'serial' has been registered > pnp: pnp: match found with the PnP device '00:0c' and the driver 'serial' > devfs_register(tts/0): could not append to parent, err: -17 > tts/0 at I/O 0x3f8 (irq = 4) is a 16550A > pnp: pnp: match found with the PnP device '00:10' and the driver 'serial' > devfs_register(tts/1): could not append to parent, err: -17 > tts/1 at I/O 0x2f8 (irq = 3) is a 16550A Indeed. Although it is harmless, it isn't what the average user expects. I could tweak the serial layer to refuse to re-initialise an already initalised port. However, the devfs_regsiter problem is one that needs solving. -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html