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    Subject[PATCH v10 14/59] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64
    Date
    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>
    Tested-by: Khalid Aziz <khalid.aziz@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 b7b64d2..38db51b 100644
    --- a/drivers/pci/setup-bus.c
    +++ b/drivers/pci/setup-bus.c
    @@ -742,7 +742,7 @@ 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;
    --
    1.8.4.5
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