Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752470AbbBSSJg (ORCPT ); Thu, 19 Feb 2015 13:09:36 -0500 Received: from ns.iliad.fr ([212.27.33.1]:58620 "EHLO ns.iliad.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595AbbBSSJe (ORCPT ); Thu, 19 Feb 2015 13:09:34 -0500 X-Greylist: delayed 453 seconds by postgrey-1.27 at vger.kernel.org; Thu, 19 Feb 2015 13:09:34 EST Message-ID: <1424368919.13604.9.camel@sakura.staff.proxad.net> Subject: Re: [PATCH 2/4] of: DT quirks infrastructure From: Maxime Bizon Reply-To: mbizon@freebox.fr To: Pantelis Antoniou Cc: frowand.list@gmail.com, Mark Rutland , "devicetree@vger.kernel.org" , Tony Lindgren , Koen Kooi , Nicolas Ferre , "linux-kernel@vger.kernel.org" , Grant Likely , Ludovic Desroches , Guenter Roeck , Matt Porter , "linux-arm-kernel@lists.infradead.org" Date: Thu, 19 Feb 2015 19:01:59 +0100 In-Reply-To: <53F2F94C-0C43-4A54-B8CD-EEC454A0AC19@konsulko.com> References: <1424271576-1952-1-git-send-email-pantelis.antoniou@konsulko.com> <1424271576-1952-3-git-send-email-pantelis.antoniou@konsulko.com> <20150218154106.GC29429@leverpostej> <20150218173115.GG29429@leverpostej> <76BD1B22-BAED-4205-9B34-186907CE0217@konsulko.com> <54E613E7.2020405@gmail.com> <670D0881-DBF0-45E8-A502-A6DB2B77A750@konsulko.com> <54E61DD2.3060002@gmail.com> <53F2F94C-0C43-4A54-B8CD-EEC454A0AC19@konsulko.com> Organization: Freebox Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 645 Lines: 20 On Thu, 2015-02-19 at 19:38 +0200, Pantelis Antoniou wrote: > Having to boot and tweak the bootloader settings to select the correct > dtb (even if it’s present on the flash medium) takes time and is > error-prone. Dedicate a set of GPIO for board/PCB revision detection (it only costs a few resistors connected to VCC or GND), then use that information to choose the correct DTB. -- Maxime -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/