On Mon, Dec 31, 2018 at 11:37:20AM +0100, Heiner Kallweit wrote: > After reading again your commit message for adding the PME runtime PM > callbacks: It seems that you focused on root ports only when adding > this functionality. Should there be a check whether port is a root port? This particular PME functionality (native PCIe PME) is present only on root ports and the pcie_pme driver only binds to those.