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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00107C04E69 for ; Mon, 14 Aug 2023 06:36:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233764AbjHNGgL (ORCPT ); Mon, 14 Aug 2023 02:36:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233888AbjHNGfy (ORCPT ); Mon, 14 Aug 2023 02:35:54 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA588120; Sun, 13 Aug 2023 23:35:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691994947; x=1723530947; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=dCNOqlWk74+ACIseLN11BwaIrH72VHkdICqUZOAYZvM=; b=OkdmzwcVgScHvqtA1L8VzsxFbf/3OOC8jezEY4/GarACRAspMCqfOCQY O0eQHHDBgAJVxUD51lMtAeDMnj4MV2u3YcX+/QPghyyjV1w/ld/ciaH8N CoVYJFyyFXCu9dYaSScaQqcoUiIegeZjF7poO7nEdApHiFmwaZmocjk7K 50Btk490rrpfHIrJj017xKyTOtkkyJrpiKuoyDhS0WZOskNn2HKbsV6cI kHZca1sFjR3iPpnQi6FDUd2jdSLQtIJj9Q2J9aHsOOtFkugAS8dM+FcLo k2iO/IjS1YBTmUoOEIYTkQTUQCYeudYZhluYX4HD3y/k5XWYwmVxzXVht Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="371976971" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="371976971" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 23:35:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="823340280" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="823340280" Received: from wentaox1-mobl.ccr.corp.intel.com (HELO [10.254.215.205]) ([10.254.215.205]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 23:35:36 -0700 Message-ID: <2a98fdf6-f41a-bd9b-d939-2a6afa5bd150@linux.intel.com> Date: Mon, 14 Aug 2023 14:35:34 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Cc: baolu.lu@linux.intel.com, Dmitry Osipenko , Marek Szyprowski , Nicolin Chen , Niklas Schnelle , Steven Price , Thierry Reding Subject: Re: [PATCH v6 19/25] iommu/mtk_iommu: Add an IOMMU_IDENTITIY_DOMAIN Content-Language: en-US To: Jason Gunthorpe , Andy Gross , Alim Akhtar , Bjorn Andersson , AngeloGioacchino Del Regno , Baolin Wang , Christophe Leroy , Gerald Schaefer , Heiko Stuebner , iommu@lists.linux.dev, Jernej Skrabec , Jonathan Hunter , Joerg Roedel , Kevin Tian , Konrad Dybcio , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Russell King , linuxppc-dev@lists.ozlabs.org, Matthias Brugger , Matthew Rosato , Michael Ellerman , Nicholas Piggin , Orson Zhai , Rob Clark , Robin Murphy , Samuel Holland , Thierry Reding , Krishna Reddy , Chen-Yu Tsai , Will Deacon , Yong Wu , Chunyan Zhang References: <19-v6-e8114faedade+425-iommu_all_defdom_jgg@nvidia.com> From: Baolu Lu In-Reply-To: <19-v6-e8114faedade+425-iommu_all_defdom_jgg@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2023/8/3 8:08, Jason Gunthorpe wrote: > This brings back the ops->detach_dev() code that commit > 1b932ceddd19 ("iommu: Remove detach_dev callbacks") deleted and turns it > into an IDENTITY domain. > > Signed-off-by: Jason Gunthorpe > --- > drivers/iommu/mtk_iommu.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) Reviewed-by: Lu Baolu Best regards, baolu