[{"id":3666703,"web_url":"http://patchwork.ozlabs.org/comment/3666703/","msgid":"","list_archive_url":null,"date":"2026-03-20T08:41:13","subject":"Re: [PATCH v6 2/2] i2c: ls2x-v2: Add driver for Loongson-2K0300 I2C\n controller","submitter":{"id":46495,"url":"http://patchwork.ozlabs.org/api/people/46495/","name":"Andy Shevchenko","email":"andriy.shevchenko@intel.com"},"content":"On Fri, Mar 20, 2026 at 03:25:47PM +0800, Binbin Zhou wrote:\n> This I2C module is integrated into the Loongson-2K0300 SoCs.\n> \n> It provides multi-master functionality and controls all I2C bus-specific\n> timing, protocols, arbitration, and timing. It supports both standard\n> and fast modes.\n\nLooks good enough to me,\nReviewed-by: Andy Shevchenko ","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=HgpWYK3f;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-i2c+bounces-16605-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.b=\"HgpWYK3f\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=198.175.65.18","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=intel.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=intel.com"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fcbgK5wbWz1y0H\n\tfor ; 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a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1773996079; x=1805532079;\n h=date:from:to:cc:subject:message-id:references:\n mime-version:in-reply-to;\n bh=9MRwqxQs8a6lUJyQDIiADbmWBX9vmE7jZDF638G+2MM=;\n b=HgpWYK3fBt9vjKzf/wnS+688VsaS4AYw5hL8yNwAu1cMIqwAaWggJwiX\n lwT1f2fTV8b3gSgKIaMqEQTz3uA7+9wY28sCItezNtOhqifXmXhEYQ//6\n PR7bfirPWx6VB1tA88svLHUx/52JSk3obpo2SaBoN5R1AyUZCwVo2hmlX\n teQS9A89riPlGulL9VijeLseIaL/mzWvHLyOtXa3FqC64zRJf0zKbODL8\n shwrz4v32MVX83hH0Oc54dHZKDq8rHupdjtjchNFa4f//5LjCQDER4K3n\n yVOF/m2sDzjqmoYTvye9C+rTbxZT7O9OIq5Efr23HsMlDoLeLRjVIQFmr\n w==;","X-CSE-ConnectionGUID":["rY4W/2AzRp+KoCRSEicfig==","xazFnr9SSuKp0euTZ0GfWQ=="],"X-CSE-MsgGUID":["oMCfnP2yR8W2lN+toh6pcg==","fcQ2/9YiRJKd35vr3sQwhg=="],"X-IronPort-AV":["E=McAfee;i=\"6800,10657,11734\"; a=\"75111319\"","E=Sophos;i=\"6.23,130,1770624000\";\n d=\"scan'208\";a=\"75111319\"","E=Sophos;i=\"6.23,130,1770624000\";\n d=\"scan'208\";a=\"227699767\""],"X-ExtLoop1":"1","Date":"Fri, 20 Mar 2026 10:41:13 +0200","From":"Andy Shevchenko ","To":"Binbin Zhou ","Cc":"Binbin Zhou ,\n\tHuacai Chen ,\n\tAndi Shyti ,\n\tWolfram Sang ,\n\tAndy Shevchenko , linux-i2c@vger.kernel.org,\n\tHuacai Chen ,\n\tXuerui Wang , loongarch@lists.linux.dev","Subject":"Re: [PATCH v6 2/2] i2c: ls2x-v2: Add driver for Loongson-2K0300 I2C\n controller","Message-ID":"","References":"\n <4236113143cc88b45062c1b8a34a1f840f29a0ac.1773991081.git.zhoubinbin@loongson.cn>","Precedence":"bulk","X-Mailing-List":"linux-i2c@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"\n <4236113143cc88b45062c1b8a34a1f840f29a0ac.1773991081.git.zhoubinbin@loongson.cn>","Organization":"Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6\n krs, Bertel Jungin Aukio 5, 02600 Espoo"}},{"id":3675381,"web_url":"http://patchwork.ozlabs.org/comment/3675381/","msgid":"","list_archive_url":null,"date":"2026-04-09T15:57:36","subject":"Re: [PATCH v6 2/2] i2c: ls2x-v2: Add driver for Loongson-2K0300 I2C\n controller","submitter":{"id":85956,"url":"http://patchwork.ozlabs.org/api/people/85956/","name":"Andi Shyti","email":"andi.shyti@kernel.org"},"content":"Hi Binbin,\n\n> +config I2C_LS2X_V2\n> +\ttristate \"Loongson-2 Fast Speed I2C adapter\"\n> +\tdepends on LOONGARCH || COMPILE_TEST\n> +\thelp\n\nI'm getting a compile error here, I guess you also need\nREGMAP_MMIO here, right?\n\nAndi","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=H5Ptn8LO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"\n <4236113143cc88b45062c1b8a34a1f840f29a0ac.1773991081.git.zhoubinbin@loongson.cn>"}},{"id":3675595,"web_url":"http://patchwork.ozlabs.org/comment/3675595/","msgid":"","list_archive_url":null,"date":"2026-04-10T01:33:12","subject":"Re: [PATCH v6 2/2] i2c: ls2x-v2: Add driver for Loongson-2K0300 I2C\n controller","submitter":{"id":85415,"url":"http://patchwork.ozlabs.org/api/people/85415/","name":"Binbin Zhou","email":"zhoubb.aaron@gmail.com"},"content":"Hi Andi:\n\nThanks for your review.\n\nOn Thu, Apr 9, 2026 at 11:57 PM Andi Shyti wrote:\n>\n> Hi Binbin,\n>\n> > +config I2C_LS2X_V2\n> > + tristate \"Loongson-2 Fast Speed I2C adapter\"\n> > + depends on LOONGARCH || COMPILE_TEST\n> > + help\n>\n> I'm getting a compile error here, I guess you also need\n> REGMAP_MMIO here, right?\n\nYes, that is indeed necessary. I’ll double-check to see if there are\nany other omissions.\nIt seems my other driver has a similar omission as well. Thank you very much.\n\n>\n> Andi","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=ibvt0kv5;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-i2c+bounces-17017-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"ibvt0kv5\"","smtp.subspace.kernel.org;\n arc=pass smtp.client-ip=209.85.218.52","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fsK7y6v6mz1yGb\n\tfor ; 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