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[2001:14ba:a0c3:3a00::782]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54816a55851sm287643e87.27.2025.02.21.07.52.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Feb 2025 07:52:04 -0800 (PST) From: Dmitry Baryshkov Date: Fri, 21 Feb 2025 17:51:59 +0200 Subject: [PATCH v3 1/8] dt-bindings: PCI: qcom-ep: describe optional dma-coherent property Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250221-sar2130p-pci-v3-1-61a0fdfb75b4@linaro.org> References: <20250221-sar2130p-pci-v3-0-61a0fdfb75b4@linaro.org> In-Reply-To: <20250221-sar2130p-pci-v3-0-61a0fdfb75b4@linaro.org> To: Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Mrinmay Sarkar , Bjorn Andersson , Konrad Dybcio Cc: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1097; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=LSOha9ZV5t2cPvEWY5zoP+XX5KPDQlxYOyHJF+qbokY=; b=owEBbQKS/ZANAwAKARTbcu2+gGW4AcsmYgBnuKEgKeB0T1pyKUNWhuwuUKapjBjzqhB3Vp1WZ rsWxcuGuIqJAjMEAAEKAB0WIQRdB85SOKWMgfgVe+4U23LtvoBluAUCZ7ihIAAKCRAU23LtvoBl uOUID/sGQ5IGEMG4DmSC3qz4rlAZ5tvxBI74ZW9hbPLvYSXJJ2lQFw9OuMOHXYVgKSIvdzQe8Aq 0iesSjOKwaC/EsmedBjjgsamuN7lQ2sRMTGEQnQGbPd/Jb2sdIj5nt8WHxI+6XWS1iQss3h01hg oFLtkK3t/tAxdPAP2Jiyi1rNqdHpBNEhntcoQDLxad5yKA5tiCuUDaN2AgpmvUvgpp9c+tISyvk Dgk/T3Ju0a4asRfCgx0djLqXbPE73Tj4xEv3f5yQMMcn8g0QcAYCprgn1VrygX8Xe3iWxZNlMuD oHzKVBtSesNqG5arLbme5XAzy26ZYHsxrllGtPOj37E49EsJ0WFd4UYcdb+kg7vlN1lr3xZsjFf 0q+MNoLiIn1fl45BH7KBmgLg/pkiRqgmi/NWvPWcolsCcUT4RhM8g1O4ycDQ+c2GeTu4H0Mz5uO g/orN4E6n/uMnNfDYy04MYHOVLM1YIe81tRB/h4jt0+n8nFKDhViAjUArQiGN7by9aMp0jcBUhc tKA2dQcDRkUcAhJcMdvzTegeGw/9WPU2Axng1iLlRrDhjr5Kai51+UVB9S0y7bGp3yXz6DyDVov PuQAuxEpMhQyySzVj8hgx7OIdV3jxwi2l077D7TEUDB1cPVYW/0W9TIeS5ngzOERlsolYzzsNWz WGq0SOW44n9aC1g== X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Qualcomm SA8775P supports cache coherency on the PCIe EP controller. Allow 'dma-coherent' property to be used for this device. This fixes a part of the following error (the second part is fixed in the next commit): pcie-ep@1c10000: Unevaluated properties are not allowed ('dma-coherent', 'iommus' were unexpected) Fixes: 4b220c6fa9f3 ("arm64: dts: qcom: sa8775p: Mark PCIe EP controller as cache coherent") Signed-off-by: Dmitry Baryshkov Reviewed-by: Krzysztof Kozlowski Reviewed-by: Manivannan Sadhasivam --- Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml index 1226ee5d08d1ae909b07b0d78014618c4c74e9a8..0c2ca4cfa3b190b3fb204f0d7142370734fb3534 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml @@ -91,6 +91,8 @@ properties: - const: pcie-mem - const: cpu-pcie + dma-coherent: true + resets: maxItems: 1