Revert "PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64"

This reverts commit d39428713e56e17b1558a1b69828e514b29b18e5. This
commit causes hotplug to break as documented in Orabug 22855133.

Orabug: 22855133

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
(cherry picked from commit 0c060ada1d50dd5f423eed0e2ba4f3e15c4579b0)
Signed-off-by: Allen Pais <allen.pais@oracle.com>

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 95d18ef267e1063773bcb703d7e5680632396f0c..b1e4595ba9348b338ba892bdfd854a50d85683e1 100644 (file)
--- 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 to_pci_host_bridge(bus->bridge)->has_mem64;
+               return true;
 
        if (bus->self) {
                int i;