From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70CF0C6787A for ; Tue, 9 Oct 2018 00:20:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 301CE2145D for ; Tue, 9 Oct 2018 00:20:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="qk2YqV+I" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 301CE2145D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726491AbeJIHfJ (ORCPT ); Tue, 9 Oct 2018 03:35:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:36430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725749AbeJIHfJ (ORCPT ); Tue, 9 Oct 2018 03:35:09 -0400 Received: from dragon (unknown [45.56.155.247]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 45ED02089D; Tue, 9 Oct 2018 00:20:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539044453; bh=H7dk0fAYJLb6mHjlwa4+2jRuIo+4eusljvQhf5oEWPw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qk2YqV+IV6z/FKKMvYwhv5DXYgiBG5mm2prfJ3TXCL6lzBwbY16xLxo/QL2hFFOGA 5ztOQur93By+bygA+ZOPp7xSr4iPrv2vpgUPSLIObvRl//09DxQDVFoliDv2gQZChQ HABwXkQqVcqvXjSrH2jKAfCUNc6/l7h0m6b/psNY= Date: Tue, 9 Oct 2018 08:20:33 +0800 From: Shawn Guo To: =?utf-8?B?Vm9rw6HEjQ==?= Michal Cc: Bartlomiej Zolnierkiewicz , Fabio Estevam , Rob Herring , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-fbdev@vger.kernel.org" Subject: Re: [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity Message-ID: <20181009002031.GU3587@dragon> References: <1538040281-21319-1-git-send-email-michal.vokac@ysoft.com> <1538040281-21319-3-git-send-email-michal.vokac@ysoft.com> <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 08, 2018 at 11:45:36AM +0000, Vokáč Michal wrote: > On 27.9.2018 11:24, Michal Vokáč wrote: > > The reset signal of the SSD1306 OLED display is actually active-low. > > Adapt the DT to reflect the real world. > > > > Signed-off-by: Michal Vokáč > > --- > > v2 changes: New patch in the series > > Bartlomiej just queued the first two patches for v4.20. > Will somebody take this one? Otherwise this SoM will end up with > broken OLED display reset. Well, it means the change breaks the ABI between kernel and device tree, e.g. the new kernel will not work with existing/installed DTBs. Shawn