Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp653811pxb; Tue, 2 Feb 2021 14:28:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJxgAbBqMSGIjNlV3LbKlyfuYRjzXVqPikwspbYVz9t61wqXcpKTvz2+0YZSfNFh7ezmsIKK X-Received: by 2002:a05:6402:3070:: with SMTP id bs16mr279913edb.22.1612304936712; Tue, 02 Feb 2021 14:28:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612304936; cv=none; d=google.com; s=arc-20160816; b=vOIFdJmd4nLEokBpTU3P+LrGo2REVI08VUgT+MoM3MbxWiJDrDa7KSpJSYudFku51p ued0fZQHr3RpM6LLg3ZW4uvJ9gbtKpYzfbCTlgTPjVsWv8A2QMtis3npCqzL8hmaMU0d b20pjIlxytirRCASTFBKm2TeZ83DVLctz2P10Rv/5NUQFr+aGsaYJj7FHp0JtYSNKpKW nkIBeYEkxdu1U3tlNrusWk1Dbt+Bx5qldk6fspmAVJE84qLV4ZqgdHj8zqzumARC+Qa1 wqQplVISpH8eoFkU3u6rnLMH+Z80K/iNbZJI2t72S6JDdNcRwgFJ3AcOJ82deourFuFB 7fSg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=Aiq0ia5FY27K4mkYt8Iy4R1eZgN2rGUefjaxshYU/eU=; b=V+PfdJnPybBEDyIJZPhBg3kfeQJzY2fE6K9AppEdFeuXi/AYLGlBreerlrGAI3lMi6 mLLNgkc+U/giv///bFFREWp6KrxBKdNFdxppC/LPXHlmQF7sTTvbXduNb8RTjz8VyZbv yCyW28Z/5sfog8PplUWNSTu+ioBeSf7YcmHI8XfPyzVrpaYnGmPK8nhMjylgvUblbhun Re4V+AzaCMNDGjZNxdcr8gImyc9ASccIrGPfIbJUcSHF76oIA7n/Vq2QlkRdOHYTHH5t XuP0V8sioYH6+U7NR4iHHJUg1SI3UWj6DUWo+Zqe0qB0Pd/gTwp+li9bsDd93R6xJwMF PEaA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r14si64439edw.243.2021.02.02.14.28.24; Tue, 02 Feb 2021 14:28:56 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234672AbhBBOsX (ORCPT + 99 others); Tue, 2 Feb 2021 09:48:23 -0500 Received: from foss.arm.com ([217.140.110.172]:51098 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234652AbhBBOf0 (ORCPT ); Tue, 2 Feb 2021 09:35:26 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 90519ED1; Tue, 2 Feb 2021 06:34:37 -0800 (PST) Received: from [10.57.35.163] (unknown [10.57.35.163]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E69C83F718; Tue, 2 Feb 2021 06:34:35 -0800 (PST) Subject: Re: [PATCH 2/2] iommu: add Unisoc iommu basic driver To: Joerg Roedel , Chunyan Zhang Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chunyan Zhang , Sheng Xu , iommu@lists.linux-foundation.org, Rob Herring , Baolin Wang , Orson Zhai References: <20210202073258.559443-3-zhang.lyra@gmail.com> <20210202104257.736836-1-zhang.lyra@gmail.com> <20210202140101.GA32671@8bytes.org> From: Robin Murphy Message-ID: <992fad43-c457-d809-3bd7-7fd5b6e8fa22@arm.com> Date: Tue, 2 Feb 2021 14:34:34 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210202140101.GA32671@8bytes.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-02-02 14:01, Joerg Roedel wrote: > On Tue, Feb 02, 2021 at 06:42:57PM +0800, Chunyan Zhang wrote: >> From: Chunyan Zhang >> >> This iommu module can be used by Unisoc's multimedia devices, such as >> display, Image codec(jpeg) and a few signal processors, including >> VSP(video), GSP(graphic), ISP(image), and CPP(camera pixel processor), etc. >> >> Signed-off-by: Chunyan Zhang >> --- >> drivers/iommu/Kconfig | 12 + >> drivers/iommu/Makefile | 1 + >> drivers/iommu/sprd-iommu.c | 598 +++++++++++++++++++++++++++++++++++++ > > This looks like it actually belongs under drivers/iommu/arm/, no? Nope, I believe if Arm Ltd. had any involvement in this I'd know about it :) Robin.