diff --git a/[refs] b/[refs]
index da82b15d9ed9..da3d31f86c40 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 11608318037f07fe08d64ebcd3f65691cfd77076
+refs/heads/master: 316d86fe8641abfad32702c77d9e62cf19e68b00
diff --git a/trunk/arch/x86/pci/acpi.c b/trunk/arch/x86/pci/acpi.c
index a312e76063a7..daa42490c1d9 100644
--- a/trunk/arch/x86/pci/acpi.c
+++ b/trunk/arch/x86/pci/acpi.c
@@ -404,7 +404,12 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
 		kfree(sd);
 	} else {
 		get_current_resources(device, busnum, domain, &resources);
-		if (list_empty(&resources))
+
+		/*
+		 * _CRS with no apertures is normal, so only fall back to
+		 * defaults or native bridge info if we're ignoring _CRS.
+		 */
+		if (!pci_use_crs)
 			x86_pci_root_bus_resources(busnum, &resources);
 		bus = pci_create_root_bus(NULL, busnum, &pci_root_ops, sd,
 					  &resources);