diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index d539d9d..f79266c 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -587,7 +587,7 @@
 			bus->resource[i+1] = &res[i];
 		}
 
-	} else if(bus->self) {
+	} else if (bus->parent) {
 		int i;
 
 		pci_read_bridge_bases(bus);
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 0797659..1cdfdea 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -487,7 +487,7 @@
 	}
 
 	/* Check if pcidev behind a PPB */
-	if (NULL != pcidev->bus->self) {
+	if (pcidev->bus->parent) {
 		/* Convert pcidev INTR_PIN into something we
 		** can lookup in the IRT.
 		*/
@@ -523,10 +523,9 @@
 #endif /* PCI_BRIDGE_FUNCS */
 
 		/*
-		** Locate the host slot the PPB nearest the Host bus
-		** adapter.
-		*/
-		while (NULL != p->parent->self)
+		 * Locate the host slot of the PPB.
+		 */
+		while (p->parent->parent)
 			p = p->parent;
 
 		intr_slot = PCI_SLOT(p->self->devfn);
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index d8233de..59fbbf1 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -644,7 +644,7 @@
 	** Properly Setup MMIO resources for this bus.
 	** pci_alloc_primary_bus() mangles this.
 	*/
-	if (bus->self) {
+	if (bus->parent) {
 		int i;
 		/* PCI-PCI Bridge */
 		pci_read_bridge_bases(bus);
@@ -802,7 +802,7 @@
 ** Can't fixup here anyway....garr...
 */
 	if (fbb_enable) {
-		if (bus->self) {
+		if (bus->parent) {
 			u8 control;
 			/* enable on PPB */
 			(void) pci_read_config_byte(bus->self, PCI_BRIDGE_CONTROL, &control);