Hi Bjorn and Vidya, [...] > > +} > > + > > +struct pci_ecam_ops tegra194_pcie_ops = { > > + .bus_shift = 20, > > I think e7708f5b10e2 ("PCI: Unify ECAM constants in native PCI Express > drivers") means you don't need this .bus_shift. [...] Correct. If this platform implements ECAM as per the specification, then the .bus_shift initializer is no longer needed. Krzysztof