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[93.5.22.158]) by smtp.gmail.com with ESMTPSA id w6-20020a5d6806000000b0030630de6fbdsm12677603wru.13.2023.06.06.07.04.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jun 2023 07:04:26 -0700 (PDT) Message-ID: <5857ffb3-6ca2-8012-ed9a-9278c71361d1@baylibre.com> Date: Tue, 6 Jun 2023 16:04:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v12 4/7] iommu/mediatek: Add enable IOMMU SMC command for INFRA masters Content-Language: en-US To: Yong Wu , Joerg Roedel , Will Deacon , Rob Herring , Matthias Brugger Cc: Robin Murphy , Krzysztof Kozlowski , AngeloGioacchino Del Regno , iommu@lists.linux.dev, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mingyuan.ma@mediatek.com, yf.wang@mediatek.com, jianjiao.zeng@mediatek.com, chengci.xu@mediatek.com References: <20230602090227.7264-1-yong.wu@mediatek.com> <20230602090227.7264-5-yong.wu@mediatek.com> From: Alexandre Mergnat In-Reply-To: <20230602090227.7264-5-yong.wu@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230606_070429_178794_5DAB3371 X-CRM114-Status: UNSURE ( 7.39 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 02/06/2023 11:02, Yong Wu wrote: > Prepare for MT8188. In MT8188, the register which enables IOMMU for > INFRA masters are in the secure world for security concerns, therefore we > add a SMC command for INFRA masters to enable IOMMU in ATF. Reviewed-by: Alexandre Mergnat -- Regards, Alexandre