If the firmware has not assigned all the bus resources and we are not just probing the PCIe busses, it makes sense to assign the unassigned resources in pci_scan_root_bus().
Cc: Bjorn Helgaas <bhelg...@google.com> Cc: Arnd Bergmann <a...@arndb.de> Cc: Jason Gunthorpe <jguntho...@obsidianresearch.com> Cc: Rob Herring <robh...@kernel.org> Signed-off-by: Liviu Dudau <liviu.du...@arm.com> --- drivers/pci/probe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index ef891d2..508cf61 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1953,6 +1953,9 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, if (!found) pci_bus_update_busn_res_end(b, max); + if (!pci_has_flag(PCI_PROBE_ONLY)) + pci_assign_unassigned_bus_resources(b); + pci_bus_add_devices(b); return b; } -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/