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Fri, 25 Apr 2025 15:33:08 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 222.71.101.198) smtp.mailfrom=cixtech.com; dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=cixtech.com; Received-SPF: Pass (protection.outlook.com: domain of cixtech.com designates 222.71.101.198 as permitted sender) receiver=protection.outlook.com; client-ip=222.71.101.198; helo=smtprelay.cixcomputing.com; pr=C Received: from smtprelay.cixcomputing.com (222.71.101.198) by TY2PEPF0000AB87.mail.protection.outlook.com (10.167.253.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8655.12 via Frontend Transport; Fri, 25 Apr 2025 15:33:07 +0000 Received: from [172.16.64.208] (unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id E645441604E7; Fri, 25 Apr 2025 23:33:05 +0800 (CST) Message-ID: <5334e87c-edf3-4dd9-a6d5-265cd279dbdc@cixtech.com> Date: Fri, 25 Apr 2025 23:33:02 +0800 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 v4 2/5] dt-bindings: pci: cadence: Extend compatible for new EP configurations To: Conor Dooley , Manikandan Karunakaran Pillai Cc: "bhelgaas@google.com" , "lpieralisi@kernel.org" , "kw@linux.com" , "manivannan.sadhasivam@linaro.org" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "peter.chen@cixtech.com" , "linux-pci@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20250424010445.2260090-1-hans.zhang@cixtech.com> <20250424010445.2260090-3-hans.zhang@cixtech.com> <20250424-elm-magma-b791798477ab@spud> <20250424-proposal-decrease-ba384a37efa6@spud> <20250425-drained-flyover-4275720a1f5a@spud> Content-Language: en-US From: Hans Zhang In-Reply-To: <20250425-drained-flyover-4275720a1f5a@spud> Content-Type: text/plain; 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X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Apr 2025 15:33:07.0715 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c6ece377-799c-41e3-88d7-08dd840e7a69 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB87.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TY1PPFDEC2C26D0 On 2025/4/25 22:48, Conor Dooley wrote: > On Fri, Apr 25, 2025 at 02:19:11AM +0000, Manikandan Karunakaran Pillai wrote: >>> >>> On Thu, Apr 24, 2025 at 04:29:35PM +0100, Conor Dooley wrote: >>>> On Thu, Apr 24, 2025 at 09:04:41AM +0800,hans.zhang@cixtech.com wrote: >>>>> From: Manikandan K Pillai >>>>> >>>>> Document the compatible property for HPA (High Performance >>> Architecture) >>>>> PCIe controller EP configuration. >>>> Please explain what makes the new architecture sufficiently different >>>> from the existing one such that a fallback compatible does not work. >>>> >>>> Same applies to the other binding patch. >>> Additionally, since this IP is likely in use on your sky1 SoC, why is a >>> soc-specific compatible for your integration not needed? >>> >> The sky1 SoC support patches will be developed and submitted by the Sky1 >> team separately. > Why? Cixtech sent this patchset, they should send it with their user. Hi Conor, Please look at the communication history of this website. https://patchwork.kernel.org/project/linux-pci/patch/CH2PPF4D26F8E1C1CBD2A866C59AA55CD7AA2A12@CH2PPF4D26F8E1C.namprd07.prod.outlook.com/ Best regards, Hans