From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752219AbdLDUNA (ORCPT ); Mon, 4 Dec 2017 15:13:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:51320 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750812AbdLDUM5 (ORCPT ); Mon, 4 Dec 2017 15:12:57 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A03721933 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=atull@kernel.org X-Google-Smtp-Source: AGs4zMa1MYPUzmLUrb6dyXeHDsW4suh22VrnVD1sglzucajDUak4lmZ8YQzxapQ6dSvnXsLg12l4UYtaqDj3HHWkMLk= MIME-Version: 1.0 In-Reply-To: References: <20171204191357.3211-1-atull@kernel.org> <20171204191357.3211-3-atull@kernel.org> From: Alan Tull Date: Mon, 4 Dec 2017 14:12:16 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 2/2] of: dynamic: add overlay-allowed DT property To: Rob Herring Cc: Moritz Fischer , Frank Rowand , Pantelis Antoniou , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , linux-fpga@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 4, 2017 at 2:04 PM, Rob Herring wrote: > On Mon, Dec 4, 2017 at 1:13 PM, Alan Tull wrote: >> Allow DT nodes to be marked as valid targets for DT >> overlays by the added "overlay-allowed" property. > > Why do you need a property for this? I'm not all that keen on putting > this policy into the DT. It can change over time in the kernel. For > example, as we define use cases that work, then we can loosen > restrictions in the kernel. For FPGA regions, I don't need it. Yes, if the other patch is accepted, I'm sure we will hear more from people who will need some specific loosening. I was trying to anticipate that, but I don't have a specific need. Alan > > Rob