If host bridge does not have mmio64 above 4G, We don't need to treat device non-pref mmio64 as as pref mmio64.
Signed-off-by: Yinghai Lu <ying...@kernel.org> Tested-by: Khalid Aziz <khalid.a...@oracle.com> --- drivers/pci/setup-bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index ffb1941..9404032 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -741,7 +741,7 @@ int pci_claim_bridge_resource(struct pci_dev *bridge, int i) static bool pci_up_path_over_pref_mem64(struct pci_bus *bus) { if (pci_is_root_bus(bus)) - return true; + return to_pci_host_bridge(bus->bridge)->has_mem64; if (bus->self) { int i; -- 2.8.3