linux-kernel - Re: [PATCH 2/3] memory: mtk-smi: Add enable IOMMU SMC command for MM master

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Date:   Sat, 23 Jul 2022 19:33:52 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Chengci.Xu" <chengci.xu@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 2/3] memory: mtk-smi: Add enable IOMMU SMC command for MM
 master

On 23/07/2022 05:19, Chengci.Xu wrote:
> For concerns about security, the register to enable/disable IOMMU of
> SMI LARB should only be configured in secure world. Thus, we add some
> SMC command for multimedia master to enable/disable MM IOMMU in ATF by
> setting the register of SMI LARB. This function is prepared for MT8188.

Could you not Cc non-existing email addresses? It causes annoying
bounces every time I deal with Mediatek:

 550 Relaying mail to srv_heupstream@...iatek.com is not allowed


Best regards,
Krzysztof