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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 B4728C433DB for ; Fri, 26 Feb 2021 10:33:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 63FC364EED for ; Fri, 26 Feb 2021 10:33:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231156AbhBZKcv (ORCPT ); Fri, 26 Feb 2021 05:32:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:47664 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230473AbhBZKbm (ORCPT ); Fri, 26 Feb 2021 05:31:42 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id EB33764EEE; Fri, 26 Feb 2021 10:31:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614335461; bh=cbgMj02ws1ox1ax+5/yQQcl3dPfXcdcjRcxxC4rOdew=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=H+s/EB1JZ0WFaGuI4TyjS3Hhoo8t2srHkHsDT+BfqZzi6Lbk9WrU5pklSYY3q6FHT 7BJHmSvai8mp8zz1VdY9T6TP2Po964LrMoPhW0U/roxOiRG8Whzx3260YFVcPVd2UO bOLfp7joJi9g80T+geL7nweSd8aya2/WVsEpuZxF3BSZsil/sYEyHaHPImsq/7CevA VWZB25YJ4/8V6OLCmQCowUg0ObscORuhKXr3l594xQAFUpwVeI75fu7JDiyV1JWkWU w/hqRoUOxhk3yi49AWLUDK8On15dMikP3ws5MXeHikcryoXkJxBpxQne7RhmDboI0t w1/KsdHGFjABw== Date: Fri, 26 Feb 2021 11:30:57 +0100 From: Wolfram Sang To: Liguang Zhang Cc: Jarkko Nikula , Andy Shevchenko , Mika Westerberg , Philipp Zabel , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] i2c: designware: Get right data length Message-ID: <20210226103057.GD1014@ninjato> References: <20210225142631.1882-1-zhangliguang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="TybLhxa8M7aNoW+V" Content-Disposition: inline In-Reply-To: <20210225142631.1882-1-zhangliguang@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --TybLhxa8M7aNoW+V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 25, 2021 at 10:26:31PM +0800, Liguang Zhang wrote: > IC_DATA_CMD[11] indicates the first data byte received after the address > phase for receive transfer in Master receiver or Slave receiver mode, > this bit was set in some transfer flow. IC_DATA_CMD[7:0] contains the > data to be transmitted or received on the I2C bus, so we should use the > lower 8 bits to get the real data length. >=20 > Signed-off-by: Liguang Zhang Applied to for-current, thanks! --TybLhxa8M7aNoW+V Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmA4zeEACgkQFA3kzBSg KbayxQ//VStvwCcJeXZgB+XWQQ2tzZBBemXbVP55M91Yle06cngZTram7k11/oQN 9wA1hjFjU8XYfvzVck8sGpKHjyOW+GdCMkfeyt3SsAYF9tZSdQ0K0+BDwq3R5NEx DIXBKc6AMXDpc2a3nSGBQU++P2pZSPe2sPySAGz5MqxI1BGP122ps6e6LtRnnpUV 6F/RE8tJJ0wSZ9dYdeZVr2cxS/UQzPeMu83l1Y+uGj3fZ52IiaFZCjB2FE60qSLi Cy+u7yK2bXgEDSv3LohrTdN9I6yIk9Y4JUZ1zhybC8Psb5EqcD5FmG17lMWFWAqR 0+foN2/nK3Jrd9YLiyZJHVfisbYTIt+lWI4lutc/pycLEjmpNwxps2WSWmVjJ/lV 7sKjjYOqGTixwMRW/pVWTV7/4C97sohVCBEhZGojk4TzQBVoPxuw7y2wC2v1q6dR vpjI93RY73Idxu+yD3S5t65UAZjY5we2RyReGHiBM+MSEIIj0tbIRoUOCReVU0Mf 8VfMDtjwqcdDlpd6WGTGvJVu2aQI9fptru+ac7JkS4cFk9R4MKpjHoGNT7yKeplD arIUrRUqZTThzvVzkhTUrjDUIMQoZh/4HX+zpnTHw6JLdzQqXpvy8Qy7rRIh/o+g 1zx8bwcJnTIX592b3PbNt0LOzm2XcgnxiE6feUOCXQyJfP1WNoM= =61r/ -----END PGP SIGNATURE----- --TybLhxa8M7aNoW+V--