On Tue, 2018-02-06 at 13:42 +0800, Ryder Lee wrote: > Thanks for explanation. > > So I guess the better way to achieve my aim - one IRQ per slot that is > connected to all INTx and get propagated through the bridges (and for > those root ports own interrupts (PME ..)} is to add interrupt-map > properties in both parent and root port nodes. > > Something like this: https://patchwork.kernel.org/patch/9970923// ,right? Yup. Cheers, Ben.