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Wed, 30 Sep 2026 15:56:36 +0000 Date: Wed, 30 Sep 2026 10:56:22 -0500 From: Frank Li To: Krzysztof Kozlowski Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Guido =?iso-8859-1?Q?G=FAnther?= , Robert Chiras , Tim Harvey , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux@ew.tq-group.com, Frank Li Subject: Re: [PATCH 2/8] dt-bindings: embedded-controller: remove #address-cells and #size-cells from required Message-ID: References: <20260925-cleanup_dtb_warning-v1-0-f999fafbca60@nxp.com> <20260925-cleanup_dtb_warning-v1-2-f999fafbca60@nxp.com> <20260930-light-whippet-of-fruition-faf077@quoll> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260930-light-whippet-of-fruition-faf077@quoll> X-ClientProxiedBy: PH0PR07CA0109.namprd07.prod.outlook.com (2603:10b6:510:4::24) To GV2PR04MB11799.eurprd04.prod.outlook.com (2603:10a6:150:2cf::9) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV2PR04MB11799:EE_|GVXPR04MB10356:EE_ X-MS-Office365-Filtering-Correlation-Id: cc64dfc3-0750-4b68-f23e-08df1f0b67af X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|7416014|376014|1800799024|366016|23010399003|10067099003|11063799006|4143699003|56012099006|22082099003|18002099003; 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Hardware can be fan-less? This should be the reason > here. binding doc said as "refer to the board hardware user manuals to see what features are present" fan-controller is one of features, which may not present at boards. Frank > > Best regards, > Krzysztof >