diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 4f25ec0775526f45133d9087bc13fd4f76dfb24e..3f42c5c05bf6b703aa415cd24cf1f0178b5a2d10 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -503,7 +503,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
 		set_mp_bus_to_node(busnum, node);
 	else
 #endif
-		node = get_mp_bus_to_node(busnum);
+		node = x86_pci_root_bus_node(busnum);
 
 	if (node != -1 && !node_online(node))
 		node = -1;
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 600e5925f1a40a3fbb2868ee06422bd478d0386c..f7d6800f10d138c3ee358bb330e9ce5485ffa552 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -467,7 +467,7 @@ void pcibios_scan_root(int busnum)
 		printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busnum);
 		return;
 	}
-	sd->node = get_mp_bus_to_node(busnum);
+	sd->node = x86_pci_root_bus_node(busnum);
 	x86_pci_root_bus_resources(busnum, &resources);
 	printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
 	bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, sd, &resources);