From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010062.outbound.protection.outlook.com [52.101.84.62]) (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 1E03D363C44; Wed, 19 Nov 2025 15:20:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.84.62 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763565614; cv=fail; b=ajxnCNTzQL+kVZFEoWoFsXcDcB+/8aH297CuGPggotopxxJ1DfXHHRgICiS+jptbadXlKd9DWOGO8UJ6lHsN6OAk7l/k8RVcKdfdKdn8p2EEycR1vxcqzVGWAj/0BoBZIgw3Y24PjZ+xjbv4uVV2vIkb7TCXGY8wQqNiJlGunaE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763565614; c=relaxed/simple; bh=lNJ3VQLs7PwycGjf/CMHJYsDBy1GuLjGrPzgbf6GqhU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=MwMNpmBLfRkDVvcvJiPGggqLwNi4Y334/SR26GN526/KjbwM66sVkwEki3wWjXBR/ArQrStTDMFQ1Qa+6sCsV+fGXT6jdwb5SjFOiHPxh9zX9w1EuxaCCLTYkqXUMQBWGLkPJZrPOIbASwvc6Zw9XeGtITPkZeH90y6c0UHjHnk= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=bVPXP8IQ; arc=fail smtp.client-ip=52.101.84.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="bVPXP8IQ" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=f9ucX9n1kgiysA/YD2USipKw6TBSRyRKso+eSPERVC/KEoHqPVO95WACi39T8kZrrj/7oJvRWuURh9ijt60RabwmIrh2SOUA3MBprh+Kbw9mgp91qkbvHpmnLKsI9/Gc2bni6/Ef3LUEadKZRVj6oTe7WYpntJA1eJ9wtcXxxMOvyKA7ADfNPzY9oEPs0dON/+AiauBuiADzFRqJ5nhLTELqLKAyJkXIwjYiXtTpLKQerTpGxi8FBw9sgTUPRwm/jNNLIA1l0QlqOI1QJAWom4kynZp9afiCE5BROjSR9WBWos1bXjdARKQulHgYr1KtboG8VNIPs9TZhwAvZ6BnOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=lNJ3VQLs7PwycGjf/CMHJYsDBy1GuLjGrPzgbf6GqhU=; b=m39+i4J3GQB2dtQVwX87d5yZ5T1ER+VPxXDaEYIxfnJEosmvmOF56Lx/GbsfF4GOMJEqPhqvrR36TZP0EkP/Gmi5z+II9Uu+p1WwbOP6XeczW5PmCfpqctXou/klNvIfZmrynulAejZFRtiDfLMeqIyMV25Jw4FDVqhh6lukOU7cpwsIRmwUa4n+4lcY1EdSahLZyK2lYpTgm+q8T9xEMKqPEDGFQu/Cqi20jbtgc7Xf1ksDNYRyldW/dwv6WppBVPcPvTxFakPpcyLFmBreZ7o3mkXbgSTlSgIZ9cEHEYHzxKbjeTHRLQzOw3/KraP35n/p1IjRwuBNLU0KdbCttQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lNJ3VQLs7PwycGjf/CMHJYsDBy1GuLjGrPzgbf6GqhU=; b=bVPXP8IQUM663be0THGQIjBAIq4iVvcXDuK0imhXYKBBdDZpZKgv8mmeZLW2mRGhZyXsoRicqOm0sXIwQ1Ot4sWpU7wP5sndr8SSvEue3+UXOFFnloMW/STcbueZ0+q0FoGMgqdrGyPn2yAr8S6lRDugtcwnpFAk5TYK4ubnBY+qTtOyGckv1wRw6w2ZGk8K/usSj2UFSD9wbUFAUKBT+J4mS53Xaa3hIWN36PixXvEeTE+iHiyaV9i1EfVvQoTfur7sCckogtSm39I4Vzd/Zte503WqpvKfENNwsLKsC7HhdkYZaNyP785Vic7PRNEud7Fx0bzzFRpaHpEMt1KLTQ== Received: from GV2PR04MB11740.eurprd04.prod.outlook.com (2603:10a6:150:2cd::13) by GV4PR04MB11425.eurprd04.prod.outlook.com (2603:10a6:150:299::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.13; Wed, 19 Nov 2025 15:20:00 +0000 Received: from GV2PR04MB11740.eurprd04.prod.outlook.com ([fe80::ca5f:7e1c:a67a:a490]) by GV2PR04MB11740.eurprd04.prod.outlook.com ([fe80::ca5f:7e1c:a67a:a490%5]) with mapi id 15.20.9343.009; Wed, 19 Nov 2025 15:20:00 +0000 From: Claudiu Manoil To: Wei Fang , Vladimir Oltean , Clark Wang , "andrew+netdev@lunn.ch" , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" CC: Aziz Sellami , "imx@lists.linux.dev" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v3 net-next 2/3] net: enetc: set external PHY address in IERB for i.MX94 ENETC Thread-Topic: [PATCH v3 net-next 2/3] net: enetc: set external PHY address in IERB for i.MX94 ENETC Thread-Index: AQHcWUIcMXVbSQiH00uAZ67yeoWNrbT6HHUQ Date: Wed, 19 Nov 2025 15:20:00 +0000 Message-ID: References: <20251119102557.1041881-1-wei.fang@nxp.com> <20251119102557.1041881-3-wei.fang@nxp.com> In-Reply-To: <20251119102557.1041881-3-wei.fang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: GV2PR04MB11740:EE_|GV4PR04MB11425:EE_ x-ms-office365-filtering-correlation-id: fbe7c45d-d387-45f9-33e8-08de277f1b13 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|376014|366016|1800799024|19092799006|38070700021; x-microsoft-antispam-message-info: =?us-ascii?Q?7/WlAtOkXlc0lQRD5QuWKWU/M3+/+jmx3B3yXqgMWcCi5IyxO255t9zRpcei?= =?us-ascii?Q?yaGWo/BCBwM6VbzgjW/xyVxriaJ1RGEWFe1U2u7jRe3hjmyNWKgITseqocsD?= =?us-ascii?Q?DYMV54fox2+pqbjLD/MmXokDYykK00ezZ9DsYZj+a7JhGa4pZXqmX+v9/8Vy?= =?us-ascii?Q?wDsKkMeEgrGMcdWhJYAPPon/Njlft2zzajTFkfN8c5QHP8/XYBJnXEfCxYn9?= =?us-ascii?Q?uO8wlELIeM4fnkf/piuvSXwHjHzvwTUaK+dDHOyhS5ZrwLBE2mvcZwj6rVAD?= =?us-ascii?Q?RvOI4AHzDI791WkLOABJx+yQfNGz/OljSTCr0qRh1x02ybqe44NtoA/KEh13?= =?us-ascii?Q?1yP85iLrkVHtdM9ja/8SI5XnDJGqzTiZDUzzJGncAAfwEev//MtJeV1W12Yo?= =?us-ascii?Q?xHOXP2mYELKCB48eaxoD+nKIwdNaSq5p0o+M6gN+QIIMAuMi38BLYFaTPugH?= =?us-ascii?Q?9H2fREKNCh6XpC5BAA8/TZbed7MBmHHGoHafe+pQaD467oKOno93WHYpfnlc?= =?us-ascii?Q?P89KdNOzbVDrSRAGQr3tv6AqEWJNhMil1USGgxeQcpU28mJz3nttsyORgAgj?= =?us-ascii?Q?j9Jmdw2zhNbsLK9Q+TsiHFi8SgrqlBalZ6ZMaSovbmTGASwtslS1lRAsMlp/?= =?us-ascii?Q?8ZAaVjTAMrhOi4lryAzkaTZOgf5nDb3vRHUe7tOhPYTBcKhelvzQeHtKD75Y?= =?us-ascii?Q?r96mnJrwux8PRf1f4GfiSWvgRcSKq0h9d/XEzXu2hWjiO2J4e6Uhz/VNzN0h?= =?us-ascii?Q?bNpdO4YR1jyE4CwA58YIy3FJDhnoYQqhdrW910xl2Z/hrsvAmg6+h3JLnyUv?= =?us-ascii?Q?j/MGvz4B9ldev+dxXaJTH1UCveIR53IIddWBYz/NBe628vgK+91EPzSJjS3W?= =?us-ascii?Q?/XkpHdTBFWdMAT93Ukl1D83CZucWeDObktCW6aXpTUQX2tyxYpu38EtGXEbt?= =?us-ascii?Q?ISEbvEluo6Nh03111vGdGnZ7AmDci093YU5wJE72V8mnFbu6q7hK45s9Wd4W?= =?us-ascii?Q?bg+/K4S6bfZt7ICcydcGPM5zx+yYhsKyo8X2Nk9dfsRoWQE4OmTCsxKav/hv?= =?us-ascii?Q?hQXFwLEPlyrzuw7YZjinHAeLkEdPsW7fccWHWnDUoN5F+0V+kCSUXKSkFirQ?= =?us-ascii?Q?vbSnJnflXFD6tiFF+AgGa+qRwDPEiRNCAjcQbZBo0Avaq5EwxQRkQWEqAf4j?= =?us-ascii?Q?PEmEgIx8hTlENaV3/gl+GEwzq5DfQZAaI5sYDQYrKWnQToVQMcNamQLsk1Fq?= =?us-ascii?Q?6hc2mA5yNCzXCnu+vWK+EmrCBJ1hY9wy1fvIZp+kCi+MNT8un2nb9PKUUD5K?= =?us-ascii?Q?O/pB0eYUAXAIWBfkyeT8LXraJd2oteLRDuXcq+RU5RlqVF2d6KmQiyI/h1j7?= =?us-ascii?Q?8d8VLL6cI/I6Kd1d3TMoqVbngtNVJfZbmK3eNjZUseB2e8kZ2Q6AkyEBdFhG?= =?us-ascii?Q?mYF6bjok/ZZfhp6GKhY4y5y4Sat+AJbEHX+4p67BkDUUMWLA4S5/Wx8l8sT6?= =?us-ascii?Q?6eHymvZ5p+Yycf7C4NM5uXRN41t+/18BAMOD?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:GV2PR04MB11740.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(19092799006)(38070700021);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?6ykpo8VOSOu00L+aEiscKasR4wk8iM66rLAtbzBHKCR8S6m+cdKlye81xM6u?= =?us-ascii?Q?52MaEYbKcGdbY0l7cc/7EkqzQS/W//Pt7VHg45Ka6gZabWkHlzepKNwOY70M?= =?us-ascii?Q?sumpnEVi58tCYO64ZGzU7ifa6GcT5Sh1BaG3TXaXaU97ubPEwmACX5vD8G2L?= =?us-ascii?Q?AHjL1r3XWFufl8LW/ljwL66Z76wkQjgrPS58hbIn3n4nTI9TomjPywpw+3oX?= =?us-ascii?Q?cZ6j1rWdYU/1l76Ht10cPEmdGwLY1xUnifU3bilw6tgETJGIb55yJhrZAVZN?= =?us-ascii?Q?zqv7jxQmAH/aYKr8/jJc1kzsZ90GXORdGO70m4Ua0gID0dWyrSC0p392OQeg?= =?us-ascii?Q?xMXTqtlYPIXMp69Ydqo/vIamDIjpNnNd1nwGA7dn1mf9iKlSLRiL7AjpGCAT?= =?us-ascii?Q?iEz7esak+CJYyuNIPsiJp8MYth0Lhqa3audMI2fbbhYfDg4NfFR8dTzgLvO6?= =?us-ascii?Q?tV8djTcOmax1ea4w3zKHoQUPCxMUvZJoWaLMrHaVW0SRthLkejxDhVLvy5tp?= =?us-ascii?Q?MidlR9uTzbtKEC/eQLcpowNWgUKN0moYS34RNWR4q4l1vTWlhN+k9Qh/NI8l?= =?us-ascii?Q?EgjbxMeRLlwwXQ8Xq4gZtpycLFS3ynv2wIrol3DMR5Q+LwnEJ1bOEHtMIPxW?= =?us-ascii?Q?/KBJgEgjyt1AqSpSMzl5z/HbEAppYLOFUBZX+uqRtThocvMzwV2fSMJ6Yzxv?= =?us-ascii?Q?Ig3ad+J3kChJtZs9Hk7beNPUCia/i6OnrdKeaqMCPJ/+EL/QYqGdcZbDvcWH?= =?us-ascii?Q?t6TG43r6Cy8MVES+bENMuhDJzl3m7WbpSZxHr9LZBK5d5Ty+KqIGzWkDr81v?= =?us-ascii?Q?faW6H4WHPUZ9JsOkJ8B8Fk4grzo9sUn0QNBNosxbfx6pXZPRP6hWII5mn//D?= =?us-ascii?Q?SeBlhOCzlbJETO6MH65fGzQ4CMSRnkTiqdex0ZT1iPXOirjLGV9x6/xFXyGD?= =?us-ascii?Q?rUZR3gIDKUwgKcuPMRZybOo40ocI2PshahDIm1ecDcCzseEz2kUqrWdUBz43?= =?us-ascii?Q?aHKBg7UJg7/ju1KFV+VntYNodH6ykWPTbFyw2LCRQm6cmNFIn0C0Km5+usDG?= =?us-ascii?Q?MbDjAMgWgb0FYeykGF7oAQro7nFhtA18UKiGWK6/cZ+Nllu9GRLixg8d55yL?= =?us-ascii?Q?Epm5/Vbtptm1+1QjSGqARHI9ykaUJnHufdAs0Z59lPdCYmd8D3tzuglTBrbz?= =?us-ascii?Q?atBiWorxjlQnkvTTR+NZSzfaaZjd5vt5zG8OuAOJGkvmpaf1zqcUbib8bt+L?= =?us-ascii?Q?OJVm4gk1w68gftSSCvqYuWEbVwk45G9vgBGhtbn7i3TsMpv/+BKtP7reug+a?= =?us-ascii?Q?XPmHncdX0GOhvS1bx0mcJh1H0nSYNUvWs/xWCylTD+F8XX3+CogG1/TX1RrE?= =?us-ascii?Q?KDNfanNKMutgEI8hfQ+g+2EMBt7thOh5qn/UqXsPBBKAXswvmMAsEGSK76JP?= =?us-ascii?Q?PKF3Ejlo/bdCnLJZhQnpICDiO81XK8kALng83WQLfhOZaqVEM/TWqKf2Jioj?= =?us-ascii?Q?0b+vhYUnz7mk8+RisZ1k62pbU2KmVu1FvHRuJ4lGtYnJTCgZ88JpTZbBtHiM?= =?us-ascii?Q?Cbkbc7pEpB9o1LiesUUK49kUpRLtS70T5RIv9an5?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: GV2PR04MB11740.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: fbe7c45d-d387-45f9-33e8-08de277f1b13 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Nov 2025 15:20:00.1706 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: q8mHAyS1ZOaYJP3Qy9n+zVp3dbxyPOEa7CUTC8BjSkQj0uJeIB60Fq7r8SGs66AGcZ5QUJh1SuashYFS6Yz/Ew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV4PR04MB11425 > -----Original Message----- > From: Wei Fang > Sent: Wednesday, November 19, 2025 12:26 PM [...] > Subject: [PATCH v3 net-next 2/3] net: enetc: set external PHY address in = IERB > for i.MX94 ENETC >=20 > NETC IP has only one external master MDIO interface (eMDIO) for managing > the external PHYs. ENETC can use the interfaces provided by the EMDIO > function or its port MDIO to access and manage its external PHY. Both > the EMDIO function and the port MDIO are all virtual ports of the eMDIO. >=20 > The difference is that the EMDIO function is a 'global port', it can > access all the PHYs on the eMDIO, but port MDIO can only access its own > PHY. To ensure that ENETC can only access its own PHY through port MDIO, > LaBCR[MDIO_PHYAD_PRTAD] needs to be set, which represents the address > of > the external PHY connected to ENETC. If the accessed PHY address is not > consistent with LaBCR[MDIO_PHYAD_PRTAD], then the MDIO access initiated > by port MDIO will be invalid. >=20 > Signed-off-by: Wei Fang > --- Reviewed-by: Claudiu Manoil