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 AFA35295DBD; Thu, 3 Jul 2025 06:55:22 +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=1751525722; cv=none; b=QqDf2HmAnzIv5nySaFjY2vOMTkj8fxPJPNgxHr3rMDWZTnIc/w+rbGE45RTok0lwvz+VNbuhLZJAqRjWvNi/QlBZey6jFOfsq+zeYZ0nmK3ZiSySTxK1Hvhz+DjASvQ7go4zFn6zb0FhylPqZvfVCFtHgZPxJkIlHBEV0YQO5Fw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751525722; c=relaxed/simple; bh=49F3PRCSlRrNYRSliv4rnookIWL6eXVvRbnSr2gXkqw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=B/VHWKCbThuabXOGKLI0rZSANcn14mXi+DSSJvfJ4XSR0VM7fnV8ESMKvOhuMY3ObZ/q1Xou0aXsB4o0xE+E61hsB9dbcLaJ9uEF5OZW9HEskj94Dfk1Z+OgBOdvSmxxUH2TKZ4OEgQuIWxolGhPqHznMieVFfzwfCNhMye7X0w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rdTMrBeC; 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="rdTMrBeC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD816C4CEE3; Thu, 3 Jul 2025 06:55:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751525722; bh=49F3PRCSlRrNYRSliv4rnookIWL6eXVvRbnSr2gXkqw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=rdTMrBeCbOm+Lo+JFbxbJJ4i06mfd+QAw9gKZ2AQJ5lnOIkWjHRr45BzFgZB8WPzO t/KSe4vI2shUzmB1AqprVNQxlQ9rPxPTKDrZslOKXcIbiG24QVT6aTv2CY7NqIJZIK +WI0fDAnoeJJ4uuJ0BO3TrpSDopZZI7rvXED+SQXNC57vyDDgMz7VkWRRQxAKVLTsh VqgLsYkququvBBDuUu+LOAhprHW9FNZkyxRCTjqTe0MOqeGJ8pn7RO+CKIkJYmgohG X0OXQfxwgjAcPFrSKNj6gyWSJhYs8YjNTyW/aSw3Fvx0/Y2h8l9wfLngHCBOOOrt7P VaSJqEYvaSIyw== Message-ID: <62a70894-13f6-4057-bd03-d26ce0506f49@kernel.org> Date: Thu, 3 Jul 2025 08:55:13 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 01/14] dt-bindings: pci: cadence: Extend compatible for new RP configuration To: Manikandan Karunakaran Pillai , Hans Zhang Cc: "bhelgaas@google.com" , "lpieralisi@kernel.org" , "kw@linux.com" , "mani@kernel.org" , "robh@kernel.org" , "kwilczynski@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "fugang.duan@cixtech.com" , "guoyin.chen@cixtech.com" , "peter.chen@cixtech.com" , "cix-kernel-upstream@cixtech.com" , "linux-pci@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20250630041601.399921-1-hans.zhang@cixtech.com> <20250630041601.399921-2-hans.zhang@cixtech.com> <20250630-heretic-space-bullfrog-d6b212@krzk-bin> <31415739-88cd-4350-9fd4-04b99b29be89@kernel.org> <225ea9f2-dce7-498c-a2a4-5b40471b8e2a@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 03/07/2025 03:35, Manikandan Karunakaran Pillai wrote: >>> Hi Kryzsztof, >>> >>> Are you suggesting to create new file for both RC and EP for HPA host like: >>> cdns,cdns-pcie-hpa-host.yaml >>> cdns,cdns-pcie-hpa-ep.yaml >>> And during the commit log, explain why you need to create a new file for >> HPA, and not use the legacy one. >> >> No, there was no such suggestions in any previous or current >> discussions. IIRC, this was simply rejected previously. I consider this >> rejected still, with the same arguments: you should use specific SoC >> compatibles. The generic compatible alone is rather legacy approach and >> we have been commenting on this sooooo many times. >> > > Hi Kryzsztof, > > Thanks for your response. > The SoC specific dts patches are already being submitted by CIX team for their SoC based on the same PCIe controller IP. There is a SoC, otherwise why is this attached to completely unrelated patches? > > Since there is no SoC for this platform(it only an FPGA based board), > are you suggesting to drop the dt-bindings patch altogether as the SoC specific dts bindings are already being in the same patch set. I have impression I discussed it... either in this thread or other. I am fine with adding compatible for your virtual setup / FPGA platform, but this has to reflect that case. Otherwise everyone will use this one here, just like it happened with other cdns cores. Best regards, Krzysztof