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 68144C433EF for ; Tue, 4 Jan 2022 15:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235365AbiADPz1 (ORCPT ); Tue, 4 Jan 2022 10:55:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235253AbiADPzJ (ORCPT ); Tue, 4 Jan 2022 10:55:09 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62416C0617A0; Tue, 4 Jan 2022 07:55:06 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 79D5F1F43598 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1641311705; bh=pq/JTgM1Y8Z1Sk0vY1Nt0JrvfIMu8/2rCeHaoTIWlBo=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=MW1aTru7IdhJQrd08iFNoIToZjPwU4YtogjfexL6Gp9MvQuPq+bgq5ZLbEzzzvlfM pclJo3CD5sSN20fBdRYdh8Z/P/hGnih6TWpNHPBzSLxc9foTNGAtUDX7gOkv3adbiK vJ9VelGnB7Iz732SQCgYsKN32enh4z5VxPqK8pdEEB2l1twYGg8K24opYSaEmSM4Nf c8Q7mSOQooGnrl65Edzt3QLxCeNKsJ1d58WNswPkFPmkikF3AfiHtSTV0isPsWUWPq zKTV4CBR3pxCHK54z8axAvPm8WqESnKMqEf5u0BL/ieNbAixyRgYR91lcrd4SEaWp5 0ZPKe3PzSisLw== Subject: Re: [PATCH v3 17/33] iommu/mediatek: Contain MM IOMMU flow with the MM TYPE To: Yong Wu , Joerg Roedel , Rob Herring , Matthias Brugger , Will Deacon , Robin Murphy Cc: Krzysztof Kozlowski , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Hsin-Yi Wang , youlin.pei@mediatek.com, anan.sun@mediatek.com, chao.hao@mediatek.com, yen-chang.chen@mediatek.com References: <20210923115840.17813-1-yong.wu@mediatek.com> <20210923115840.17813-18-yong.wu@mediatek.com> From: AngeloGioacchino Del Regno Message-ID: <9e65ac5b-1b8b-03e6-c7f1-7104e96e06d2@collabora.com> Date: Tue, 4 Jan 2022 16:55:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210923115840.17813-18-yong.wu@mediatek.com> Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 23/09/21 13:58, Yong Wu ha scritto: > Prepare for supporting INFRA_IOMMU, and APU_IOMMU later. > > For Infra IOMMU/APU IOMMU, it doesn't have the "larb""port". thus, Use > the MM flag contain the MM_IOMMU special flow, Also, it moves a big > chunk code about parsing the mediatek,larbs into a function, this is > only needed for MM IOMMU. and all the current SoC are MM_IOMMU. > > Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno