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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C874BC433EF for ; Mon, 29 Nov 2021 19:28:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Cc:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=l9QfZB+g4BxSYlZC3i6KsKZCuGFOGcjsQ7BxPc3fNGQ=; b=EqgGcrlRDLSSq2n9dgeS/EzNvk hGgNN7Jlizn+hkUqxud1UQ8Mc0Xr4qUk/PfwH9Fcjaghn4c5IUGlEfcjAT6dsOhcIPtHHGxABRIAv rsSkw77U25HXdzumgICZWnU0zz2nJ4pbnk6ZG6hWZyXSQKvmn4l/MDk+kD6XnEohv286oRyLpPQRG cMztf+yKi4jQ7TqX99Uk4ftNSiDYPAourdNa1ilHxKtzqhgltWyxfxj9d1KxCR2jJfvz8mqa2HPBR b9yHDEG1DahKbjOztFvM8+7ey6+Mel0W0YRHZJAl9rZA+6AHFfrftAFvzNNGkAyJkyHIaVS0S4fM2 33rs4fuQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrmIU-0027AD-0K; Mon, 29 Nov 2021 19:26:43 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrmEa-0025aB-1C for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 19:22:41 +0000 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 sin.source.kernel.org (Postfix) with ESMTPS id C9DF1CE13E0; Mon, 29 Nov 2021 19:22:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F090EC53FC7; Mon, 29 Nov 2021 19:22:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638213755; bh=Y5NwSlQVKu/RjuujNCewGKGidAPlSFDXVTVyAhtaMd4=; h=Date:From:To:Subject:References:In-Reply-To:From; b=rP23YM30IC0YD3XcoytOUD3nAaBxVfg9sYjCOZfzb8zunQm8ShvGTG7V8Uvl21RZ2 Rtalf+oKhumJ6V0JtMg8w6h8MX4opoA/WJjDnBmKZnRrfEVqYufEewICYKJQKKXTEO +DvO8fzn4CsyDezm+73FMLG6t+IIzG1H5mnXI091jdYsOBDks/YCOqWaHJpKbvAx40 kFBtHb48AAMNmcbHjj3Ho2cL4ObwUglELMdgRg/rVxCWIlgkcyN0a54CiicB46tpAW 4M9fxbNtupmVZRYkGTcyRZeZsUrMGe1hMmjVmsD/S6dHwNJEH25zKtBoh6FOJX259s xRlhjNUjcuJJw== Date: Mon, 29 Nov 2021 20:22:32 +0100 From: Wolfram Sang To: Quan Nguyen , Corey Minyard , Rob Herring , Joel Stanley , Andrew Jeffery , Brendan Higgins , Benjamin Herrenschmidt , openipmi-developer@lists.sourceforge.net, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, Open Source Submission , Phong Vo , "Thang Q . Nguyen" Subject: Re: [PATCH v5 1/3] i2c: aspeed: Add slave_enable() to toggle slave mode Message-ID: Mail-Followup-To: Wolfram Sang , Quan Nguyen , Corey Minyard , Rob Herring , Joel Stanley , Andrew Jeffery , Brendan Higgins , Benjamin Herrenschmidt , openipmi-developer@lists.sourceforge.net, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, Open Source Submission , Phong Vo , "Thang Q . Nguyen" References: <20210714033833.11640-1-quan@os.amperecomputing.com> <20210714033833.11640-2-quan@os.amperecomputing.com> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_112240_489984_FB61DFA7 X-CRM114-Status: GOOD ( 17.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5118625866839856857==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============5118625866839856857== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="d1UpdctGHU2n/12Q" Content-Disposition: inline --d1UpdctGHU2n/12Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, I still wonder if we can't get the SSIF BMC driver upstream... > @all: Plus, I neither like the API (because it doesn't look generic to > me but mostly handling one issue needed here) nor do I fully understand > the use case. Normally, when a read is requested and the backend needs > time to deliver the data, the hardware should stretch the SCL clock > until some data register is finally written to. If it doesn't do it for > whatever reason, this is a quirky hardware in my book and needs handling > in the driver only. So, what is special with this HW? Can't we solve it > differently? ... for that, it would be great if somebody could answer my questions here :) Happy hacking, Wolfram --d1UpdctGHU2n/12Q Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmGlKHgACgkQFA3kzBSg Kbaj7Q/+K++8yheJLiYAr0liA2UQdfCq+XezGICIbZAVxxsZK8n1//zZg7zn5/im iUQ/roCf08jiF7YOvNDErnCyJTNpVvm9JHvNlYf/TvB9zv7Lwxu3ysMUFaiV00dT c6MskoCbxYPdDEz3UtYJ6eJE4qaU0prhazQlYqJvJu1W/cN41e23eHWfiRvSPg65 ui/7bC0mCLia8VUl2OUs6MGedop+JiqmvaKm5cmoZf7Idi5wxyOVbpQ3955ys1Y/ 4FWtD1YvJubfqZW0WBRDzFiesE5QY+ryqVcu4AdbwdT9jdik4t9vz0yJsgpPOQ/+ 2AAnfuvzWdSvQL5+2aGITnOrT2qJDDePA87OaE0egYKyyUfX533Y8Yit1Fc5OQeh hgTvVOzuBsaJVcJTEka49RpzuCha9SeOs8oOV1tOx7rO7tL7kLmKmUmWyj1cRm35 C15QuoyRZ83+l2v+x27L+leKiWlTabVV1/D+gfVSmt1GD/qKoc/h0Lxss1x1VGcW YVopBoNqawQLVsX7EhordVwZNjBuU473rFfYxWPW+DDi34WaFIOlf2b0XN8gNymU F8tQo20t7Nd2KvwhmTDUT7j5nXbEJbS3/TqeSMpOQi3kjskHWr78o267qqe0kIzT xNkLGxWkdF71AbdjUMUJu+pxli9ABhL0OqxhZ4imhrRZBIKo0wQ= =qfX/ -----END PGP SIGNATURE----- --d1UpdctGHU2n/12Q-- --===============5118625866839856857== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============5118625866839856857==--