From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992991AbXDDQff (ORCPT ); Wed, 4 Apr 2007 12:35:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992992AbXDDQfe (ORCPT ); Wed, 4 Apr 2007 12:35:34 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:45679 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992991AbXDDQfe (ORCPT ); Wed, 4 Apr 2007 12:35:34 -0400 Subject: Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers. From: David Woodhouse To: Linas Vepstas Cc: Brad Boyer , linuxppc-dev@ozlabs.org, Paul Mackerras , linux-kernel@vger.kernel.org In-Reply-To: <20070404162234.GS4922@austin.ibm.com> References: <1175610345.2665.15.camel@shinybook.infradead.org> <17938.57292.870224.132415@cargo.ozlabs.ibm.com> <1175642916.10567.24.camel@shinybook.infradead.org> <20070403212928.GA12951@cynthia.pants.nu> <1175644642.10567.31.camel@shinybook.infradead.org> <20070403221002.GA13210@cynthia.pants.nu> <1175648051.10567.61.camel@shinybook.infradead.org> <20070403230908.GA13471@cynthia.pants.nu> <20070404162234.GS4922@austin.ibm.com> Content-Type: text/plain Date: Wed, 04 Apr 2007 12:34:53 -0400 Message-Id: <1175704494.2774.33.camel@shinybook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.10.0 (2.10.0-7.fc7.dwmw2.2) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2007-04-04 at 11:22 -0500, Linas Vepstas wrote: > The biggest problem would seem to be that the assignment would > depend on the detection order; there don't seem to be unique > id's that would help udev consistently assign device names in > consistent order. Of course there are. The different types of ports have different device numbers. As long as we don't do anything silly like putting all the serial drivers on the same major number, we can tell them apart relatively well. -- dwmw2