From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E054B17BB6; Tue, 26 Nov 2024 07:07:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732604853; cv=none; b=gN81fJhEJRQavkz08aUTddow8jTb5lwwgt7Fq4Yq9T0Jkkyg/LhF4xcATYjg8/WiaceG2Bfzg+1nxvNF7hVzyL8tLm+DhFcfY/kqyKFNWF0QF2bj6697eec5Xmkx+Jc633QJXr2xftd95shC8eFRcJ6HX5KCPM+he2tJAQ6WpvM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732604853; c=relaxed/simple; bh=oPO52LB/U7xQho2r49527yxBuQMvPupJ01h8KpNLvvs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=i/h1dfzVr43YoAY8u4oP3cdD1OGCwImRRzw21INKTa15uNsu2fawFTgZGGZq3F7ziy0Xt3i8f0qnVuFv+k/cLIAUr2T1ieWfrNX4IuMcmuyXTv3VAguSuWWeigWXxbl7l+WpLArbEquiDDz1TW0p5SgLkeBUs2IS/uWGDhZeIcA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=crLsR3FB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="crLsR3FB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38D41C4CECF; Tue, 26 Nov 2024 07:07:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732604852; bh=oPO52LB/U7xQho2r49527yxBuQMvPupJ01h8KpNLvvs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=crLsR3FBNEEU6XGcjk6ie84sMW5UJzk7SWGFNS5BSTOwPFHf6QntfPKLgUb4W9kkL 1MXhlEBFFTSr+YS9GBVqnLXjYmEa3q1e2fF8BuoOHnlOsjllcEPnnlRo97ij03vxPb HV3LyuYDzuE77uufFTq1A0BP3XNJ7W0xhm84uv27o3OtkQRMf0d+/IgSlnxTDesIrz VaK4kLNU8pBNX82j3COKIEDot0VPLcCooUha/BCl1+t7S6WyuXGbYcgJTWyF7JC+nI Pi//97PIru4w5k8jTzoW4eIQjZSkdfB0EG1dS5Y9Lk7NwbM3QRq7xXrwSAnXauJCMC 29qu71X1+qumQ== Message-ID: Date: Tue, 26 Nov 2024 08:07:26 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] dt-bindings: memory-controllers: Add support for Versal NET EDAC To: "Datta, Shubhrajyoti" Cc: "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-edac@vger.kernel.org" , "git (AMD-Xilinx)" , "robh@kernel.org" , "conor+dt@kernel.org" , "bp@alien8.de" , "tony.luck@intel.com" , "james.morse@arm.com" , "mchehab@kernel.org" , "rric@kernel.org" References: <20241122100625.24571-1-shubhrajyoti.datta@amd.com> <20241122100625.24571-2-shubhrajyoti.datta@amd.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 26/11/2024 07:57, Datta, Shubhrajyoti wrote: > [AMD Official Use Only - AMD Internal Distribution Only] What is this? Why would we bother? How does it affect me? Please remove all corporate boilerplate. ... >>> + >>> +required: >>> + - compatible >> >> Eh, no resources? How do you talk with the hardware? This looks way too Linuxy... > > The address space is secure, making it inaccessible to Linux. In this setup, the secure firmware (NMC) > communicates the necessary information to Linux through RPMsg. Don't you need to acquire a reference to the rpmsg interface? Don't you need to encode the device dependency? All this is achieved with phandles and proper driver support. Best regards, Krzysztof