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Thu, 27 Aug 2026 19:48:44 -0700 (PDT) Message-ID: <8849ec9d-a7fd-47d7-a8a8-a31849637f6c@gmail.com> Date: Fri, 28 Aug 2026 10:48:38 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: imx8mp-phyboard-pollux-peb-av-10: Fix SAI master assignment To: Primoz Fiser , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Yannic Moog , Shawn Guo Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de References: <20260827065556.2326079-1-primoz.fiser@norik.com> <0ee330e3-8c6b-4162-81fe-d769982df5de@gmail.com> Content-Language: en-US From: Chancel Liu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit > Hi, > > On 8/27/26 10:56, Chancel Liu wrote: >>> The dailink_master label was incorrectly placed on the codec sub-node, >>> causing simple-audio-card to configure TLV320AIC3007 as the I2S bitclock >>> and frame master with SAI2 in consumer mode. This contradicts the SAI2 >>> node configuration (assigned-clock-parents, assigned-clock-rates, >>> fsl,sai-mclk-direction-output) which requires provider/master mode. >> >> Just a small question about the commit message. As far as I understand, >> these SAI2 node configurations only describe SAI2 providing MCLK to the >> codec. A topology where the SAI provides MCLK while the codec is the >> bclk/fs provider is common. So the original configuration seems >> self-consistent, not contradictory. >> > > You are right. Such configuration are possible. > > However, on this board's wiring, SAI has to be bus master for BCLK/FSYNC. > > Shall I reword commit message or is this explanation enough? > > BR, > Primoz > I'd prefer rewording, as current message is a bit confusing. Regards, Chancel Liu