diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199cdaf45c3b44663dc32ed884de98b1d..464279da49c4114fafb0f557e4080e437de512a7 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -218,7 +218,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 	return bus;
 }
 
-extern int pci_routeirq;
 static int __init pci_acpi_init(void)
 {
 	struct pci_dev *dev = NULL;
diff --git a/include/asm-x86/pci.h b/include/asm-x86/pci.h
index 30bbde0cb34bfba7e272ad68be2dffad8ef20d0d..2db14cf17db8f9faeae76133445f144023d58ff6 100644
--- a/include/asm-x86/pci.h
+++ b/include/asm-x86/pci.h
@@ -18,6 +18,8 @@ struct pci_sysdata {
 #endif
 };
 
+extern int pci_routeirq;
+
 /* scan a bus after allocating a pci_sysdata for it */
 extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,
 					    int node);