diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 6274cd2..e1c863c 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -36,6 +36,7 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/pdc.h>
+#include <asm/pdcpat.h>             /* for is_pdc_pat() */
 #include <asm/parisc-device.h>
 
 /* See comments in include/asm-parisc/pci.h */
@@ -315,7 +316,23 @@ static void get_node_path(struct device *dev, struct hardware_path *path)
 	while (dev != &root) {
 		if (is_pci_dev(dev)) {
 			unsigned int devfn = to_pci_dev(dev)->devfn;
-			path->bc[i--] = PCI_SLOT(devfn) | (PCI_FUNC(devfn)<< 5);
+
+			if (is_pdc_pat()) {
+				/* This is broken. But A500 GET_INITIATOR call
+				 * works with this for devices behind a
+				 * PCI-PCI Bridge. *sigh*
+				 */
+				path->bc[i--] = PCI_SLOT(devfn);
+				path->bc[i--] = PCI_FUNC(devfn);
+			} else {
+				/* Workstations supported PCI-PCI bridges
+				 * before servers did and forgot to include
+				 * a seperate bc[] field for PCI Bridge
+				 * Function.  We kludged one into SLOT byte.
+				 */
+				path->bc[i--] = PCI_SLOT(devfn)
+						| (PCI_FUNC(devfn)<< 5);
+			}
 		} else if (dev->bus == &parisc_bus_type) {
 			path->bc[i--] = to_parisc_device(dev)->hw_path;
 		}