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 B7C27C433EF for ; Thu, 2 Jun 2022 06:57:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231528AbiFBG5A (ORCPT ); Thu, 2 Jun 2022 02:57:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231524AbiFBG4u (ORCPT ); Thu, 2 Jun 2022 02:56:50 -0400 Received: from mail-ed1-x52a.google.com (mail-ed1-x52a.google.com [IPv6:2a00:1450:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F64A17CE55 for ; Wed, 1 Jun 2022 23:56:48 -0700 (PDT) Received: by mail-ed1-x52a.google.com with SMTP id 25so4777598edw.8 for ; Wed, 01 Jun 2022 23:56:48 -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=LLNT8sk8dg3VHgneMHOABUvZlztHfMnZmFwZtkukw1U=; b=eLk3Bz/WOkMAC5yq5sJ5oMDUivEuokRtM1ySrtMWvKp4Y4BziELJT2taA3PP2bm8qP UeMVFSoOT2Lt0CYHMve/e6VXkxGETxONlpWqtrhx3Wa5lK+5FjyM02d9aCc86zRkiebT JrxjbIy2gXE2FG3QsMt+FcOYCB4ZcTH8cqgu0cEFlQ2NWz0DXQEp6JdGDrlnB0ryNfrS A3dma775dm5cMh8pzel72tFzw8NfIFcnvhMRqv1YYnGmEZ2ZZyrjxOytVeNmG/5I3jyp 6v5M28Cp2+zZKNspCKqrvZ94YSSKgt8grtqEusmCea4sBx0n7ZcRzMBDbnXAV8cmR3tC y4BA== 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=LLNT8sk8dg3VHgneMHOABUvZlztHfMnZmFwZtkukw1U=; b=vsAVnqkLFyQena0jO3lpHxuk3gIl0WHvRGnCMX//JUoodc7m2p27p2pTPhT8BoNuE6 Le4ok506C8CJ+lodNX+m8UCavOvB+X5v9OUwgTknLfeHm78crT3LeYUQhrTSRlEsdIIc EXkIhG3L4U72allvQEdNivpege4rQZeYEqAaNJJDd07eyAs5/9BVf89hzHHOl0qnBWdh jaxVgV+k1DKp920tyrYIgDDsYL+RQ58d0I6sl36U998xpT63txyZ3LaVeHzHAPHTmCje sUWqcXH9q8oYpxxbp8qsMeiOdjtZejeAeTHWBNnv7kI1guII7Y2592dmB3kcKX+saB0I N1Uw== X-Gm-Message-State: AOAM532yRocf5MOHY708u3SqEJwt5VDdNTK+X7gGU8Luz/Mfx9m+qiYS i9DNjMg35OOoTYAdwtbNf1tM3w== X-Google-Smtp-Source: ABdhPJz1+2mpXym1k+JMKKxXiiS02WGQewk31DYid61d9z9HfjfO/qToqCsEwoJ0N1oEfO62KTycQg== X-Received: by 2002:aa7:d1ce:0:b0:42d:cf0e:3389 with SMTP id g14-20020aa7d1ce000000b0042dcf0e3389mr3731445edp.4.1654153007050; Wed, 01 Jun 2022 23:56:47 -0700 (PDT) Received: from [192.168.0.181] (xdsl-188-155-176-92.adslplus.ch. [188.155.176.92]) by smtp.gmail.com with ESMTPSA id d10-20020a1709063cea00b006f3ef214e5bsm1428551ejh.193.2022.06.01.23.56.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jun 2022 23:56:46 -0700 (PDT) Message-ID: Date: Thu, 2 Jun 2022 08:56:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH v1 00/15] Add support for MT8195 SCP 2nd core Content-Language: en-US To: Tinghan Shen , Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Lee Jones , Benson Leung , Guenter Roeck , Daisuke Nojiri , Sebastian Reichel , "Dustin L. Howett" , Tzung-Bi Shih , "Gustavo A. R. Silva" , Prashant Malani , Enric Balletbo i Serra , Brian Norris Cc: linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, chrome-platform@lists.linux.dev, Project_Global_Chrome_Upstream_Group@mediatek.com, weishunc@google.com References: <20220601112201.15510-1-tinghan.shen@mediatek.com> <919ca8ee-4b01-e601-714c-26098647d5c7@linaro.org> <016eb93f0bee329c061725cb5096d49ab4240152.camel@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <016eb93f0bee329c061725cb5096d49ab4240152.camel@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 02/06/2022 05:52, Tinghan Shen wrote: > Hi Krzysztof, > > On Wed, 2022-06-01 at 13:46 +0200, Krzysztof Kozlowski wrote: >> On 01/06/2022 13:21, Tinghan Shen wrote: >>> The MT8195 System Companion Processor(SCP) is a dual-core RISC-V MCU. >>> Current mediatek remoteproc driver only supports bring-up single core >>> SCP or the 1st core of a dual-core SCP. This series support to bring-up >> >> ^^ this or is confusing a bit. >> >> Does this mean that MT8195 has three RISC-V MCUs? > > My intention is to express that current SCP driver supports bring-up, > 1. the single core SCP, e.g. MT8183 > 2. the 1st core of dual-core SCP, e.g. MT8195 > > > Perhaps rewriting as follows is preferable? > > "The mediatek remoteproc driver currently only allows bringing up a single > core SCP. It only supports bringing up the 1st core in SoCs with a dual-core SCP." >> Yes, that sounds better. Or mention that single core case is for MT8183, because that part got me confused. Best regards, Krzysztof