ia64/PCI: use pci_create_bus() instead of pci_scan_bus_parented()

This doesn't change any functionality, but it makes a subsequent patch
slightly simpler.

CC: Tony Luck <tony.luck@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 99f232c50bd1..3f9c86ad00fa 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -387,8 +387,11 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
          * should handle the case here, but it appears that IA64 hasn't
          * such quirk. So we just ignore the case now.
          */
-        pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
+        pbus = pci_create_bus(NULL, bus, &pci_root_ops, controller);
+        if (!pbus)
+                return NULL;
 
+        pbus->subordinate = pci_scan_child_bus(pbus);
         return pbus;
 
 out3: