Re: [PATCH 1/3] dt-bindings: PCI: qcom,pcie-sm8550: document 'global' interrupt

From: Krzysztof Wilczyński
Date: Wed Jan 15 2025 - 06:35:22 EST


Hello,

> Qcom PCIe RC controllers are capable of generating 'global' SPI interrupt
> to the host CPU. This interrupt can be used by the device driver to handle
> PCIe link specific events such as Link up and Link down, which give the
> driver a chance to start bus enumeration on its own when link is up and
> initiate link training if link goes to a bad state. The PCIe driver can
> still work without this interrupt but it will provide a nice user
> experience when device gets plugged and removed.
>
> Document the interrupt as optional for SM8550 and SM8650 platforms.

Applied to dt-bindings for v6.14, thank you!

Krzysztof