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=-2.5 required=3.0 tests=MAILING_LIST_MULTI,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 7399BC43144 for ; Mon, 25 Jun 2018 17:17:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B77125EF8 for ; Mon, 25 Jun 2018 17:17:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B77125EF8 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 S934686AbeFYRRj (ORCPT ); Mon, 25 Jun 2018 13:17:39 -0400 Received: from mail-yb0-f196.google.com ([209.85.213.196]:34676 "EHLO mail-yb0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933920AbeFYRRh (ORCPT ); Mon, 25 Jun 2018 13:17:37 -0400 Received: by mail-yb0-f196.google.com with SMTP id e9-v6so1399913ybq.1; Mon, 25 Jun 2018 10:17:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Nj5nBhMmmoqDuD2jiumQBrscEjyk2fDr/66k/DlvIuY=; b=d90KGiKMva02PWxS544UUdm57+2HKBfnnPgbkolKI9HPWK2SJZMhWgsUw6vUBdTKI9 infggOej1ktabnZV0TepRbQ2CYQJf/YJZGwqDaPnaCjy1+A6h0+lumYgWoapZ6bRn3CC QJRVQLWMfa2iZcwlON4+6ZEAngHP1DIWST6sOnTUHoc2rLhJPD6wUigjPD1QAaltyaje 7fEEf/ph8JAjwG7BFkM6gfJ2Uh+cSlzxI/eqVcj9yn3vu1e3ERdFWujqHhjldUUpSCCN Nln4JImepk8teK9Q9A6ywi8vi7M/4zHwhLAaYUSFDWePyVofnj1iwZIUUCGxtHY9l3Xd S1/A== X-Gm-Message-State: APt69E1rXkdkfkVM/FGuhWxNm1FqxdrB0hTXoSvlIYTphsRiNgjg/Gno qhahUFL2sZOrDrJV00djiw== X-Google-Smtp-Source: ADUXVKKmwrfW0eHU7Ul4VjiD3mtku8uY/crnP0ARpYugQ1L5xjp7i38YnQY1YqPr+Pfy/1mdFWVf2A== X-Received: by 2002:a25:b097:: with SMTP id f23-v6mr6608244ybj.167.1529947056577; Mon, 25 Jun 2018 10:17:36 -0700 (PDT) Received: from localhost (24-223-123-72.static.usa-companies.net. [24.223.123.72]) by smtp.gmail.com with ESMTPSA id 83-v6sm5940045ywm.108.2018.06.25.10.17.35 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 25 Jun 2018 10:17:35 -0700 (PDT) Date: Mon, 25 Jun 2018 11:17:34 -0600 From: Rob Herring To: Dong Aisheng Cc: linux-arm-kernel@lists.infradead.org, dongas86@gmail.com, kernel@pengutronix.de, shawnguo@kernel.org, fabio.estevam@nxp.com, linux-imx@nxp.com, Mark Rutland , Sudeep Holla , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3 1/5] dt-bindings: mailbox: allow mbox-cells to be equal to 0 Message-ID: <20180625171734.GA20153@rob-hp-laptop> References: <1529676720-7533-1-git-send-email-aisheng.dong@nxp.com> <1529676720-7533-2-git-send-email-aisheng.dong@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1529676720-7533-2-git-send-email-aisheng.dong@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 22, 2018 at 10:11:56PM +0800, Dong Aisheng wrote: > Mailbox devices may have only one channel which means the mbox-cells > at least 1 does not make sense for this type devices. Let's remove > that limitation to allow the mbox-cells to be equal to 0. > > Cc: Rob Herring > Cc: Mark Rutland > Cc: Sudeep Holla > Cc: devicetree@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Dong Aisheng > --- > ChangeLog: > * New patch introduced in v3 series > * Actually there're already users in kernel with mbox-cells set to 0. > See: > arch/arm/boot/dts/bcm283x.dtsi:145: #mbox-cells = <0>; > --- > Documentation/devicetree/bindings/mailbox/mailbox.txt | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) Reviewed-by: Rob Herring