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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Tristram Ha , Nicolai Buchwitz , Jerry Ray References: <20260831-ksz9897-sgmii-port-v3-1-2376aa4edf11@vaisala.com> Content-Language: en-US From: Tapio Reijonen In-Reply-To: <20260831-ksz9897-sgmii-port-v3-1-2376aa4edf11@vaisala.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: OL1P279CA0008.NORP279.PROD.OUTLOOK.COM (2603:10a6:e10:12::13) To AM9PR06MB7907.eurprd06.prod.outlook.com (2603:10a6:20b:3a6::23) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR06MB7907:EE_|DB9PR06MB8092:EE_ X-MS-Office365-Filtering-Correlation-Id: 1072fe86-1dec-4256-f516-08df07fa8cab X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|23010399003|1800799024|10067099003|22082099003|18002099003|56012099006|11063799006; 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Microchip support have now confirmed this with their internal team: register 0x7300 reads 0xF8 on the KSZ9897S and 0x78 on the KSZ9897R. The two values differ in bit 7 only, which is the bit this patch tests. That closes the one gap in my testing. I have no KSZ9897R sample, so the "this does not break the R" half was reasoned from the two data sheets and the driver code; it is now confirmed by the vendor. Tapio