diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 1aad599..f250a90 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -378,11 +378,10 @@
 	align = 0;
 	min_align = 0;
 	for (order = 0; order <= max_order; order++) {
-#ifdef CONFIG_RESOURCES_64BIT
-		resource_size_t align1 = 1ULL << (order + 20);
-#else
-		resource_size_t align1 = 1U << (order + 20);
-#endif
+		resource_size_t align1 = 1;
+
+		align1 <<= (order + 20);
+
 		if (!align)
 			min_align = align1;
 		else if (ALIGN(align + min_align, min_align) < align1)