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