On Mon, Apr 10, 2017 at 06:29:27PM +0100, Ard Biesheuvel wrote: > /* > @@ -208,8 +208,8 @@ struct pci_bus *pci_acpi_scan_root(struct > acpi_pci_root *root) > if (!bus) > return NULL; > > - pci_bus_size_bridges(bus); > - pci_bus_assign_resources(bus); > + pci_assign_unassigned_root_bus_resources(bus); > + pci_bus_claim_resources(bus); > > list_for_each_entry(child, &bus->children, node) > pcie_bus_configure_settings(child); > looks like those two lines are reversed. you should use: pcibios_resource_survey_bus(bus); pci_assign_unassigned_root_bus_resources(bus); please check x86 pcibios_resource_survey_bus() definition in arch/x86/pci/i386.c but pci_bus_claim_resources() should work too. Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html