From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761061AbZE0X7l (ORCPT ); Wed, 27 May 2009 19:59:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756193AbZE0X7e (ORCPT ); Wed, 27 May 2009 19:59:34 -0400 Received: from az33egw02.freescale.net ([192.88.158.103]:46207 "EHLO az33egw02.freescale.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755965AbZE0X7d (ORCPT ); Wed, 27 May 2009 19:59:33 -0400 Message-ID: <4A1DD3A0.3010501@freescale.com> Date: Wed, 27 May 2009 18:58:24 -0500 From: Scott Wood User-Agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103) MIME-Version: 1.0 To: Robert Schwebel CC: Grant Likely , devicetree-discuss , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk, Janboe Ye , Timur Tabi , rmk@arm.linux.org.uk Subject: Re: [RFC] [PATCH] Device Tree on ARM platform References: <1243408083.13460.14.camel@debian-nb> <20090527150527.GK6805@pengutronix.de> <20090527162000.GM6805@pengutronix.de> <20090527234801.GP6805@pengutronix.de> In-Reply-To: <20090527234801.GP6805@pengutronix.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAWE= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Robert Schwebel wrote: > The oftree by design wants to be a complete hardware description. As you > mention above, there are cases where you *nevertheless* need ad-hoc > information about things *not* encoded into the device tree. > > This renders the whole concept ad absurdum. You need a machine number > again - and if you need that: why not stay with the ARM model, define > everything with platform data and avoid the whole thing? Because it's better to have a little platform specific code than a lot of it? -Scott