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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 CA396C64E7A for ; Tue, 1 Dec 2020 11:56:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C68D2080A for ; Tue, 1 Dec 2020 11:56:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="XqE9vgq/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389312AbgLALzx (ORCPT ); Tue, 1 Dec 2020 06:55:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:57396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388439AbgLALzw (ORCPT ); Tue, 1 Dec 2020 06:55:52 -0500 Received: from localhost (cpc102334-sgyl38-2-0-cust884.18-2.cable.virginm.net [92.233.91.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1695320770; Tue, 1 Dec 2020 11:55:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606823711; bh=UXTodn20vM340ET6hxCExdQHpdca76oa7j/yUKECCdA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XqE9vgq/wcYIFSfm8Ip9dxz93DKxhJIfFjYBdC3vhTJndwV3HIASRIG0SD+zHMT7+ AjlIGO9Qkfcs2qn8O8GSGH+Scv9dUnn3Je2t2RANf8/Yzk/8PUsjy9pvHoHA3E/i0x kt3h8LJy/507OzFiOMBSS7ho/6YqMvvrFGUQZiCI= Date: Tue, 1 Dec 2020 11:54:42 +0000 From: Mark Brown To: Bard Liao Cc: alsa-devel@alsa-project.org, vkoul@kernel.org, vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, rander.wang@linux.intel.com, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, bard.liao@intel.com Subject: Re: [PATCH v2 2/5] regmap/SoundWire: sdw: add support for SoundWire 1.2 MBQ Message-ID: <20201201115442.GA5239@sirena.org.uk> References: <20201130144020.19757-1-yung-chuan.liao@linux.intel.com> <20201130144020.19757-3-yung-chuan.liao@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <20201130144020.19757-3-yung-chuan.liao@linux.intel.com> X-Cookie: Who was that masked man? User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 30, 2020 at 10:40:17PM +0800, Bard Liao wrote: > From: Pierre-Louis Bossart >=20 > The SoundWire 1.1 specification only allowed for reads and writes of > bytes. The SoundWire 1.2 specification adds a new capability to > transfer "Multi-Byte Quantities" (MBQ) across the bus. The transfers > still happens one-byte-at-a-time, but the update is atomic. Please do not submit new versions of already applied patches, please submit incremental updates to the existing code. Modifying existing commits creates problems for other users building on top of those commits so it's best practice to only change pubished git commits if absolutely essential. --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl/GLwEACgkQJNaLcl1U h9A7LQf8C0cXx47sMtn4yjZCjODupEpGS4PJHRdbPVB7s0rRyQQLboBoL+HFcZF0 CWnUBsnOZozy5gLNZw8X/kxCYmxyeReAHyHa2LP2GaP8KDfw0mWfDFRAewsnjMLq 2Ip6nyo3BdNs0V1p9OnlfJFwwUgzrS1x3iep1giFQ7E/6vTDyRatYbgyVaIhbDaW gG1MvJr5JhpC96EryoKYQom+ed3dWFjCgSZDc6gUQ9aDXPw8/sscDFnzfN2ZW7ZX W26nbEc7tKU1SLnh9LSevxZk/zE3k5LVNx86fgsd4CbJ6du7BB5tHiEV+Iy8+tFA HVXqBlYg5rObHac/Y2NtasWW5uNHfQ== =3cHO -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ--