On Wed, Oct 16, 2024 at 08:04:08PM -0700, Qiang Yu wrote: > 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. > > Hence, document it in the binding along with the existing MSI interrupts. > Global interrupt is parsed as optional in driver, so adding it in bindings > will not break the ABI. > > Signed-off-by: Qiang Yu <quic_qianyu@xxxxxxxxxxx> > --- > .../devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
