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Message-ID: <9584fd2d-97bd-4e1d-8f33-2c48c8c89aa0@linaro.org>
Date: Sat, 17 Feb 2024 09:28:13 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: sm8650: Add msi-map-mask for PCIe nodes
On 16/02/2024 18:05, Manivannan Sadhasivam wrote:
> "msi-map-mask" is a required property for all Qcom PCIe controllers as it
> would allow all PCIe devices under a bus to share the same MSI identifier.
>
> Without this property, each device has to use a separate MSI identifier
> which is not possible due to platform limitations.
>
> Currently, this is not an issue since only one device is connected to the
> bus on boards making use of this SoC.
>
> Fixes: a33a532b3b1e ("arm64: dts: qcom: sm8650: Use GIC-ITS for PCIe0 and PCIe1")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Best regards,
Krzysztof
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