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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20240718-btaml-v2-0-1392b2e21183@amlogic.com> <20240718-btaml-v2-1-1392b2e21183@amlogic.com> <18f1301f-6d93-4645-b6d9-e4ccd103ff5d@kernel.org> <30cf7665-ff35-4a1a-ba26-0bbe377512be@amlogic.com> <1582443b-c20a-4e3a-b633-2e7204daf7e0@kernel.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SI1PR02CA0002.apcprd02.prod.outlook.com (2603:1096:4:1f7::16) To JH0PR03MB7468.apcprd03.prod.outlook.com (2603:1096:990:16::12) 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: JH0PR03MB7468:EE_|SEZPR03MB7300:EE_ X-MS-Office365-Filtering-Correlation-Id: 8cbbe681-5f34-48d6-8347-08dcb05bd44c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014|921020; 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Usually the last. >>>>>> >>>>>>> +    $ref: /schemas/types.yaml#/definitions/uint32 >>>>>> And what does it mean? What happens if BT uses antenna number 2, >>>>>> not 1? >>>>>> What is connected to the other antenna? It really feels useless >>>>>> to say >>>>>> which antenna is connected to hardware. >>>>> Sorry, the antenna description was incorrect, it should specify >>>>> whether >>>>> >>>>> Bluetooth and WiFi coexist. I will change it as below: >>>>> >>>>>        aml,work-mode: >>>>>        type: boolean >>>>>        description: specifywhether Bluetooth and WiFi coexist. >>>> So one device can be used on different boards - some without WiFi >>>> antenna? But, why in the binding of bluetooth you describe whether >>>> there >>>> is WiFi antenna? >>> Yes, it can be used on dirfferent boards. The device can operate in >>> both >> Please do not respond to only partial part of the comment. It is obvious >> device can work on different boards. You do not have to confirm it. The >> question was different - why do you need this property? I gave you >> possible answer, but you skipped this and answered with obvious >> statement. > > I'm sorry. I didn't explain it clearly. > > Board design should be optimized for specific use cases: use the > standalone mode for high-speed, stable, and Bluetooth-only > applications; opt for the coexistence mode in cost-sensitive scenarios > with lower performance demands. Once the hardware is determined, the > user needs to configure the working mode of the firmware. > >> >>> standalone mode and coexistence mode. typically running standalone >>> mode. >>> >>> Therefore, I would like to revise the description as follows: >>> >>> aml,coexisting: >>>       type: boolean >>>       description: Enable coexistence mode, allowing shared antenna >>> usage >>> with Wi-Fi. >> Why this is not enabled always? > > The board design determines whether to enable this property. > > Well, I know I should clearly describe why this property is enabled > here, so I modify it as follows: > > aml,coexisting: >      type: boolean >      description: Enable co-existence mode on boards sharing antennas > with Wi-Fi. > Hi Krzysztof After internal discussions, we determined that Bluetooth Controllers typically operate in standalone mode and are only configured for sharing upon customer-specific customization. Consequently, we have decided to remove this property. Please be advised that the third patch will be updated accordingly at a later date >> >> Best regards, >> Krzysztof >>