Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH 24/36] PCI: Only treat non-pef mmio64 as pref if host-bridge has_mem64 | Date | Mon, 6 Jul 2015 16:39:14 -0700 |
| |
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 ab7bafe..e8e9029 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1010,7 +1010,7 @@ 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
| |