From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755247Ab3KFTCR (ORCPT ); Wed, 6 Nov 2013 14:02:17 -0500 Received: from Chamillionaire.breakpoint.cc ([80.244.247.6]:53801 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754966Ab3KFTCQ (ORCPT ); Wed, 6 Nov 2013 14:02:16 -0500 Date: Wed, 6 Nov 2013 20:01:52 +0100 From: Sebastian Andrzej Siewior To: Pantelis Antoniou Cc: Grant Likely , Rob Herring , Stephen Warren , Matt Porter , Koen Kooi , Alison Chaiken , Dinh Nguyen , Jan Lubbe , Alexander Sverdlin , Michael Stickel , Guenter Roeck , Dirk Behme , Alan Tull , Sascha Hauer , Michael Bohan , Ionut Nicu , Michal Simek , Matt Ranostay , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3 - V2] Introducing Device Tree Overlays Message-ID: <20131106190152.GA8662@breakpoint.cc> References: <1383676898-29819-1-git-send-email-panto@antoniou-consulting.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1383676898-29819-1-git-send-email-panto@antoniou-consulting.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05.11.13, Pantelis Antoniou wrote: > The following patchset introduces Device Tree overlays, a method > of dynamically altering the kernel's live Device Tree, along with > a generic interface to use it in a board agnostic manner. In case this has been discussed and I missed it: Why are we doing this? Isn't it possible to d o the overlay thingy in u-boot and pass a complete device tree to the kernel? Are you trying to do something like hotplug-PCI where the PCI card can be replaced at runtime? Sebastian