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Thu, 27 Aug 2026 19:48:45 -0700 (PDT) Received: from [10.25.165.77] ([128.77.72.133]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-142e0d2e465sm2109869c88.4.2026.08.27.19.48.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260827_194846_370645_1F86CA5F X-CRM114-Status: GOOD ( 13.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > 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