linux-kernel - Re: [PATCH v3 1/8] dt-bindings: PCI: qcom-ep: describe optional dma-coherent property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250222164517.2qkzdwofgjdb4yk5@thinkpad>
Date: Sat, 22 Feb 2025 22:15:17 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Mrinmay Sarkar <quic_msarkar@...cinc.com>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/8] dt-bindings: PCI: qcom-ep: describe optional
 dma-coherent property

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@...0000: 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 <dmitry.baryshkov@...aro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- 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