On Fri, 2019-06-21 at 15:48 -0500, Bjorn Helgaas wrote: > On Sat, Jun 15, 2019 at 10:23:56AM +1000, Benjamin Herrenschmidt > wrote: > > Instead of the simpler > > > > pci_bus_size_bridges(bus); > > pci_bus_assign_resources(bus); > > > > Use pci_assign_unassigned_root_bus_resources(). This should have no > > effect > > as long as we are reassigning everything. Once we start honoring FW > > resource allocations, this will bring up the "reallocation" feature > > which can help making room for SR-IOV when necessary. > > > > Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > > I applied these to pci/resource, with my comments and acks from > Lorenzo and Ard. Let me know if I was too aggressive or got > something > wrong; I consider these branches malleable until the merge window. > > Thanks for the first step on this long journey :) Heh thanks :-) Cheers, Ben. > > --- > > arch/arm64/kernel/pci.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c > > index bb85e2f4603f..1419b1b4e9b9 100644 > > --- a/arch/arm64/kernel/pci.c > > +++ b/arch/arm64/kernel/pci.c > > @@ -193,8 +193,7 @@ 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); > > > > list_for_each_entry(child, &bus->children, node) > > pcie_bus_configure_settings(child); > > -- > > 2.17.1 > >
