| From | Yinghai Lu <> | Subject | [PATCH v2 36/49] PCI: Only treat non-pef mmio64 as pref if host-bridge has_mem64 | Date | Tue, 14 Jul 2015 15:47:07 -0700 |
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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 <yinghai@kernel.org> --- 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 8a8e5a7..37d5a48 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1041,7 +1041,7 @@ 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 && !(bus->self->resource[PCI_BRIDGE_RESOURCES + 2].flags & IORESOURCE_MEM_64)) -- 1.8.4.5
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