While PCI_CLASS_REVISION and PCI_REVISION_ID are identical, the
code here discards the revision content and is only interested in
the class number.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Cc: Krosten Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
                         * slot. */
                        bus->number = tbus;
                        pci_bus_read_config_dword(bus, PCI_DEVFN(tdevice, 0),
-                                               PCI_REVISION_ID, &work);
+                                               PCI_CLASS_REVISION, &work);
 
                        if ((work >> 8) == PCI_TO_PCI_BRIDGE_CLASS) {
                                pci_bus_read_config_dword(bus,