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Thu, 05 Mar 2026 15:47:36 -0800 (PST) Received: from localhost.localdomain ([1.212.70.3]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c73917b4000sm2515316a12.15.2026.03.05.15.47.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2026 15:47:35 -0800 (PST) From: Lee Yongjun To: ulf.hansson@linaro.org, robh@kernel.org Cc: krzk+dt@kernel.org, conor+dt@kernel.org, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, nsaenz@kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Lee Yongjun Subject: [PATCH] dt-bindings: mmc: brcm,iproc-sdhci: allow dma-coherent property Date: Fri, 6 Mar 2026 08:47:03 +0900 Message-Id: <20260305234703.38490-1-jun85566@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260305_154737_611719_390B1983 X-CRM114-Status: GOOD ( 10.59 ) 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 The Broadcom iProc SDHCI controller supports DMA, but its binding schema does not allow the 'dma-coherent' property. As a result, dtbs_check reports the following validation errors on the Northstar2 SoC: mmc@66420000 (brcm,sdhci-iproc-cygnus): Unevaluated properties are not allowed ('dma-coherent' was unexpected) mmc@66430000 (brcm,sdhci-iproc-cygnus): Unevaluated properties are not allowed ('dma-coherent' was unexpected) Allow the 'dma-coherent' property in the schema to fix the validation errors and accurately reflect the hardware capability. Signed-off-by: Lee Yongjun --- Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml index 2f63f2cdeb71..579e44843404 100644 --- a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml @@ -38,6 +38,8 @@ properties: type: boolean description: Specifies that controller should use auto CMD12 + dma-coherent: true + required: - compatible - reg -- 2.34.1