From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932553AbXGYPvq (ORCPT ); Wed, 25 Jul 2007 11:51:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758654AbXGYPvj (ORCPT ); Wed, 25 Jul 2007 11:51:39 -0400 Received: from nz-out-0506.google.com ([64.233.162.229]:35121 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757764AbXGYPvi (ORCPT ); Wed, 25 Jul 2007 11:51:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=mSgYFG6bOXMWbbsXHlCGUp36KwGZyzVXRLsNX4UyyvVaTowlz51eivny1AGEZt3KZK+ChN7ZjFhlNuPBmPnNO2raVsoiRbFCkD923IMzRpg4is4p8xL+7tqGkeNsPoDVjekB/144NGWnKuJ5E7KvUGigBpQUlhWQtCLt0QE1IWM= Message-ID: <86802c440707250851g2c1138d6g59cc97d013d7aae7@mail.gmail.com> Date: Wed, 25 Jul 2007 08:51:36 -0700 From: "Yinghai Lu" To: "Bjorn Helgaas" Subject: Re: commit 7e92b4fc34 - x86, serial: convert legacy COM ports to platform devices - broke my serial console Cc: "=?ISO-8859-1?Q?S=E9bastien_Dugu=E9?=" , linux-kernel , ambx1@neo.rr.com, akpm@linux-foundation.org, lenb@kernel.org, rmk@arm.linux.org.uk, mjg59@srcf.ucam.org, castet.matthieu@free.fr, shaohua.li@intel.com In-Reply-To: <200707250716.44609.bjorn.helgaas@hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070724162805.76ea8328@frecb000686.frec.bull.fr> <200707240948.45916.bjorn.helgaas@hp.com> <20070725094554.55c46d8b@frecb000686.frec.bull.fr> <200707250716.44609.bjorn.helgaas@hp.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/25/07, Bjorn Helgaas wrote: > The _DDN is a "DOS device name", and the _UID is a "logical device ID > that does not change across reboots." Both are optional, and PNPACPI > ignores them. But maybe we could change PNPACPI to sort by them if > they are present. I'll think about this a bit. > this happen with muliti peer root buses too. some DSDT put bus 0x80 before 0x0. So the bus 0x80 is scanned by the kernel at first. so some device such as nic number is reversed too... need to make some change to acpica... YH