Re: [PATCH 06/10] arm64: dts: qcom: sc8280xp: enable GICv3 ITS for PCIe

Konrad Dybcio
2024-02-15T20:50:42Z

On 12.02.2024 17:50, Johan Hovold wrote:
> The DWC PCIe controller can be used with its internal MSI controller or
> with an external one such as the GICv3 Interrupt Translation Service
> (ITS).
>
> Add the msi-map properties needed to use the GIC ITS. This will also
> make Linux switch to the ITS implementation, which allows for assigning
> affinity to individual MSIs.
>
> Note that using the GIC ITS on SC8280XP will cause Advanced Error
> Reporting (AER) interrupts to be received on errors unlike when using
> the internal MSI controller. This will specifically lead to
> notifications about Correctable Errors being logged for the Wi-Fi
> controller the Lenovo ThinkPad X13s when the AER driver is enabled.
>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---

The numbers match

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad