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Sat, 22 Feb 2025 08:45:25 -0800 (PST) Date: Sat, 22 Feb 2025 22:15:17 +0530 From: Manivannan Sadhasivam To: Dmitry Baryshkov Cc: Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Mrinmay Sarkar , Bjorn Andersson , Konrad Dybcio , Krzysztof =?utf-8?Q?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 Subject: Re: [PATCH v3 1/8] dt-bindings: PCI: qcom-ep: describe optional dma-coherent property Message-ID: <20250222164517.2qkzdwofgjdb4yk5@thinkpad> References: <20250221-sar2130p-pci-v3-0-61a0fdfb75b4@linaro.org> <20250221-sar2130p-pci-v3-1-61a0fdfb75b4@linaro.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250221-sar2130p-pci-v3-1-61a0fdfb75b4@linaro.org> On Fri, Feb 21, 2025 at 05:51:59PM +0200, Dmitry Baryshkov wrote: > 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: Manivannan Sadhasivam - Mani > --- > 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 > > > -- > 2.39.5 > -- மணிவண்ணன் சதாசிவம்