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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 DD8C8C10F27 for ; Tue, 10 Mar 2020 14:01:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B163D24680 for ; Tue, 10 Mar 2020 14:01:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Pg9j5KJ9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726670AbgCJOBe (ORCPT ); Tue, 10 Mar 2020 10:01:34 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:44613 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726438AbgCJOBe (ORCPT ); Tue, 10 Mar 2020 10:01:34 -0400 Received: by mail-wr1-f67.google.com with SMTP id l18so5936641wru.11 for ; Tue, 10 Mar 2020 07:01:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=AnADibbBZNTbkXF8oP66EJ2LJrhavRvEH5BdYa4Z43I=; b=Pg9j5KJ9zBcxILALXyg3gWGW7/Stl3nDwqDBu50I4TaRt3m76JyHsQ33/vAbB8E4DS N2SVSJq3bfMIINej22L0ObEE9D9LOT7ZNOVxV/QW+oMokDluh7G9hVa2LZdTtbK3YmwQ 9vkoPwdSUFk4Zd5ENqC82QO9dpU3c/lWcUaZxzAmUl1crb4+IeC7Od0byO1kFeKaMMwm GC1TzchHvo2y7X6XRjlXvM8h7shcu2xmS4xB+5QQCTVMU457W3C8Zk/oYH+/QkO5D7U/ dGz/XCd8UC82saEVqT9/blCgLTBUhqxfDqIizN6Z8bmny0ZTKiZx2YeJCnQLtxSRY714 zI2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=AnADibbBZNTbkXF8oP66EJ2LJrhavRvEH5BdYa4Z43I=; b=NSbF+UNmcprGd1cbnZonqUpX/z+lTvQF6s/jrVNHcNbwg9jTBInJ152jdRWtbjoGCs fLMOFQBBCFQUWk2ySMPqGJHesfEhWff2zjPMUH+gXzwiPcAj3m1jZ0Aq3F4HAPBl50gk MP34a/e5v2uwOS37YyCzUMu6+e3P2JyOEaWxym86Rrjx48ZXChfFYE4H9/+bNaSJUfu7 B3LkaKowkISGJpID3AU7zYhT6IPS6eAcHDHn/dYBe382kRsoKmOtmMZLz/84TfJLQRZj auNaLHM6vAOjBMjF6n6CIFGyIllxNO7Tb0uosKeqHl7m7qaTYP/hbHYRarsI7jazsMQn 5aQA== X-Gm-Message-State: ANhLgQ1HpZ1zEsTaMpqP5/XhjGpo199geq6D8zZa943+LgDw2qkw28Dk L+Xv6xzE95HKVOS4ePNWTA/QXfIuqUQ= X-Google-Smtp-Source: ADFU+vtrFiSPgHeTnpNZFmkHKh2VMNUzxHfW2YQYEVtGmsqDarT61MtKoEjE1bMeApA7NHSvLPnpKg== X-Received: by 2002:a5d:4ac8:: with SMTP id y8mr27238694wrs.272.1583848890432; Tue, 10 Mar 2020 07:01:30 -0700 (PDT) Received: from [192.168.86.34] (cpc89974-aztw32-2-0-cust43.18-1.cable.virginm.net. [86.30.250.44]) by smtp.googlemail.com with ESMTPSA id q7sm12887765wrd.54.2020.03.10.07.01.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 Mar 2020 07:01:29 -0700 (PDT) Subject: Re: [RFC PATCH] soundwire: bus: Add flag to mark DPN_BlockCtrl1 as readonly To: Pierre-Louis Bossart , vkoul@kernel.org Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org References: <20200309173755.955-1-srinivas.kandagatla@linaro.org> From: Srinivas Kandagatla Message-ID: <92d3ae1b-bace-1d20-ef99-82f7e1a0a644@linaro.org> Date: Tue, 10 Mar 2020 14:01:28 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/03/2020 18:05, Pierre-Louis Bossart wrote: > > My recommendation would be to add a DisCo property stating the > WordLength value can be used by the bus code but not written to the > Slave device registers. Does something like "mipi-sdw-read-only-wordlength" as slave property, make sense? --srini