Received: by 2002:a05:6359:c8b:b0:c7:702f:21d4 with SMTP id go11csp2312616rwb; Wed, 5 Oct 2022 12:13:25 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7DMmDpqV5lBva072fN1qRX2umSLYHXciiC2+n35Ex822F3OdLjM+ICbxC/Z9x2+GoCamrP X-Received: by 2002:a17:907:845:b0:731:2f6c:6dbd with SMTP id ww5-20020a170907084500b007312f6c6dbdmr847159ejb.551.1664997205454; Wed, 05 Oct 2022 12:13:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664997205; cv=none; d=google.com; s=arc-20160816; b=xnP/3ArUOO27kIKpAYuHkgyL/52zVBr+XCwWZYheEsOlf0VJJ4Ye2CuLAr7Ev2pEjz +CVFfc5lbReKbleK1UTswFeKWBHgQGDzO0nvtVO5KiBqB6DJ8eJrgVd8uLwrNaKdkT9Y rKjCPKJhm+p5SoStrzmVYzpRA2omBWTnjgJ43zdyP5efVXb3sgYnkagse7aK51/Luo0y 9/t3pRj1Z5L/8mS1vNXO1AH3flHCwNWOOz+IlK98ziFLbidHtXJ8ShR2bn/spx3dY9/k rG4RePkJpdWEPUzsgjMbyHO0Fl4rT1c6BuzbGKXyQGNtyLh2QJhl/8YFwSnALeWmX8+W DZhg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:mail-followup-to:message-id:subject:cc:to:from:date :dkim-signature; bh=qZOYdCT1aCe/JZjmiQhjcaPpLA57KvbcqFM3TGd0KYo=; b=rZpK0pVyU42Xib+GrQGB33vzgEltqcShZ6bHFMnwjfFr3Af46OlLRySi146QHF4Shq fwUUE2Dpz9SrsmFnX6OFBqNLyCCor9XEr/TZjs03uiomWJjaTY0Pw9hJduohNkjjkgqn vYwomg50ogI99l/T4JdmNXFwBwxaWiIZ6rZ4Roptnems9VfFiggYUckdHo1lpdivAUSj jiE1eIVOyvsYrBTXZkL4QTqHa6igL4XtXRZAgyNBjt4XZKX7trTJC2II8asbIYQEG25I VjhKaFFPDJD7JQ/4ZhPzCyGKrtTN8M41bzbsG/jjM0vy1wQVPP+ry3RRf91wDc81mS6y 0MZQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Qg03rLPp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id gt40-20020a1709072da800b007305f9cf344si15660601ejc.853.2022.10.05.12.12.55; Wed, 05 Oct 2022 12:13:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Qg03rLPp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231307AbiJETGK (ORCPT + 99 others); Wed, 5 Oct 2022 15:06:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231281AbiJETGI (ORCPT ); Wed, 5 Oct 2022 15:06:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FE7777571; Wed, 5 Oct 2022 12:06:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3C0E16177A; Wed, 5 Oct 2022 19:06:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E786DC433D6; Wed, 5 Oct 2022 19:06:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664996766; bh=qZOYdCT1aCe/JZjmiQhjcaPpLA57KvbcqFM3TGd0KYo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Qg03rLPpbYIdisynjImLpdYkJO/sEMunrsh0dpMnd0msNKM4q0kwSn9oYsEkYyuoX RsSS3sZyqYQJRRR1IrpPXdANdbfCfehXhdmGhrYuQO3LIkr5VNd8jT0d+EjGP+P2Ed GFpOL3ADwr16c/4Ad0PTCYiNsIu6SuZa5PNluanuFkHkI2ZZAhaLL07kMIDcjNhx33 VTm/sxf0RICxP5JnMhRPjFNiYtbYWgVVykluIoecv2Dh7WEsFrF37e121miiJId13X QqPVEx5p/xT0sRv3o+iMP4DlRHIUgYvEatArxXRRPQ1TqCcTXJxfHqWsD3NHrxTj20 b5B48nBs9QVvQ== Date: Wed, 5 Oct 2022 21:06:01 +0200 From: Wolfram Sang To: Quan Nguyen Cc: Randy Dunlap , Corey Minyard , Rob Herring , Krzysztof Kozlowski , Brendan Higgins , Benjamin Herrenschmidt , Joel Stanley , Andrew Jeffery , openipmi-developer@lists.sourceforge.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, Open Source Submission , Phong Vo , thang@os.amperecomputing.com Subject: Re: [PATCH v10 3/3] i2c: aspeed: Assert NAK when slave is busy Message-ID: Mail-Followup-To: Wolfram Sang , Quan Nguyen , Randy Dunlap , Corey Minyard , Rob Herring , Krzysztof Kozlowski , Brendan Higgins , Benjamin Herrenschmidt , Joel Stanley , Andrew Jeffery , openipmi-developer@lists.sourceforge.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, Open Source Submission , Phong Vo , thang@os.amperecomputing.com References: <20221004093106.1653317-1-quan@os.amperecomputing.com> <20221004093106.1653317-4-quan@os.amperecomputing.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="SJMSzPuygRaHqOAa" Content-Disposition: inline In-Reply-To: <20221004093106.1653317-4-quan@os.amperecomputing.com> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --SJMSzPuygRaHqOAa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 04, 2022 at 04:31:06PM +0700, Quan Nguyen wrote: > On I2C_SLAVE_WRITE_REQUESTED event, Slave already ACK'ed on the address > phase. But as the backend driver is busy and unable to process any > request from Master, issue RxCmdLast for Slave to auto send NACK on > next incoming byte. >=20 > Signed-off-by: Quan Nguyen Applied to for-current, thanks! --SJMSzPuygRaHqOAa Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmM91ZkACgkQFA3kzBSg KbYyDQ/9HuJtmUfec7mVOzYN9yOLKYOWOR5hIQd4A3+vP+K+7P1jObIubesRu2Xn 4OTZ9aEZMgumnmIWX7dGG9seW67U8FDCXjmRTVXZK1SLasgoL+0FRJbzfvLIqLUY /dThu2R6w4xXOScan+snd98o5xj2gJIiRRUdNH0nNP7CioU5aWdxUykvqjoKYdzK EVP2nDsPTfLp36vBt2+edcZpJFV2wXtPGhzV7hcypWURm7F7+Phao9vsWphXdPt2 aLZTFMNrjhkzE/M4PK4HVR11630Xan6D318KoJ3QcSWv0EAax+uxChijf03OYctM sz2oXSExvYUGpdgCiErUX3a/3to4HgJZSq6Gqjy4IuScNnpWV55teyW/rWs4gTK9 yJF3O4Tn2Jq6hBN4WeDs4R79mR3rrAyVSddLzh+9DRQyISYBvVkqyJ5JQ6au+Ps9 HJsIKXC8G/yq7dd9vop+fBSR6743sLE0Sge67fhxrv4h8tr4xZnXvgr5eRgwMJZW Jc/RDTPQGNZVrmiJYvKnUclNRLEbgnKrtryINWGt5nrRLMLu3gVjJGZxhESQqt8b C5uVsf1wyyw+K02minkivCVbD0un6hafek5bpILCzjZzLjh1HYoOGY0x6Xcog0uX tG4tTm/fOBqpHkJy4WbMBjuT5belbMyNwVrZNkNYjMK1WVRjZwc= =U+bJ -----END PGP SIGNATURE----- --SJMSzPuygRaHqOAa--