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 E3F30CCA48A for ; Sat, 23 Jul 2022 17:34:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238041AbiGWRd7 (ORCPT ); Sat, 23 Jul 2022 13:33:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43472 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231610AbiGWRd5 (ORCPT ); Sat, 23 Jul 2022 13:33:57 -0400 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9A9813F2F for ; Sat, 23 Jul 2022 10:33:56 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id b21so1692023ljk.8 for ; Sat, 23 Jul 2022 10:33:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=gtQ14uIFjSRWKjyHokB//t8/r+71OfqgVuwkNcmPeoA=; b=ESMwFonERbuKy1tCSV1hQL5WH+aJhXNLZRY/Mbbh/cHLp5d87ZI0B/mbISmXRxxSzG NkKTrbmSHJ9XNEirQZA8NAF9oQZd1NKbHheggMUejjbj8x8fFj8bkxp7MyU5dpWKothH 4J1NxZnLs+IkrOh2X1cNGvP6na0RnJ30+yLZ0L2RZdjMKn27lz5WocVbcr13nbaUmiEe fA8hI5/9xbAS+ZQcHzH5+Gj6U85RWj9+MHg4MKdIrxsQtNBqXc2IJT4xWrU2JnZdV53Q vK+edK+yMFXVOTLt7J/fO1KfG6vGuRk0GizAGrmzs1YwlxKuUfQHW1TefPBoiv/Qkz9s 3suA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=gtQ14uIFjSRWKjyHokB//t8/r+71OfqgVuwkNcmPeoA=; b=11pNLX24qWfeqTXDXYNEPMefgnhOP1KjIydDOIgxEAgerKGgAiMiEfnffsD5Hc2dtJ gitIT1VDBQT0zavY9mKzsgvADjWT/SHyJav9DIt17EnYGU2JQqDKOFfkacLFmOy4iBQC BtnuWntSButwZCC4v8Nahz6SKcErrI8UYdoUVNybgFPBPsM6KDQ4vtc/I4mlhP7NcK5S EhofWPQGtrITwrgMZqm8FqBcSWuyGK/u38b9+6SNOQxospeJOmTnHFgsl+HbzTu5UBDt UqAqq+1wds2q9DbdUuBtSiJSaGlD9w9Zo+ihHCYvo5p+LbOMvraMTwaRgV6WC8S5aJSL Xl/g== X-Gm-Message-State: AJIora8CFWQlslAkhVZuic+gXUZhghIE+/lUJP5GZrKPjiK1mbMtGR32 TR3vpyBrsLxSJgdh2+nv5FqMIw== X-Google-Smtp-Source: AGRyM1uU1eUauciMSqDhYkv5IwoplxEQwBcf8zmfZUOEgmhwKkBdpalR6T+snsJt3pQyFxc3nxS7QA== X-Received: by 2002:a2e:9c86:0:b0:25d:fe25:3490 with SMTP id x6-20020a2e9c86000000b0025dfe253490mr588675lji.463.1658597634910; Sat, 23 Jul 2022 10:33:54 -0700 (PDT) Received: from [192.168.10.173] (93.81-167-86.customer.lyse.net. [81.167.86.93]) by smtp.gmail.com with ESMTPSA id m2-20020a056512358200b00489d1896c06sm1756453lfr.125.2022.07.23.10.33.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 23 Jul 2022 10:33:54 -0700 (PDT) Message-ID: <576bcc5b-0587-1059-961c-4e35bbfcf392@linaro.org> Date: Sat, 23 Jul 2022 19:33:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH 2/3] memory: mtk-smi: Add enable IOMMU SMC command for MM master Content-Language: en-US To: "Chengci.Xu" , Yong Wu , Rob Herring , Matthias Brugger Cc: linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220723031955.12552-1-chengci.xu@mediatek.com> <20220723031955.12552-3-chengci.xu@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220723031955.12552-3-chengci.xu@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@mediatek.com is not allowed Best regards, Krzysztof