1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 262b0439abe9..125e7b7f34ff 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -206,10 +206,8 @@ pci_setup_bridge(struct pci_bus *bus)
         if (bus->resource[2]->flags & IORESOURCE_PREFETCH) {
                 l = (region.start >> 16) & 0xfff0;
                 l |= region.end & 0xfff00000;
-#ifdef CONFIG_RESOURCES_64BIT
-                bu = region.start >> 32;
-                lu = region.end >> 32;
-#endif
+                bu = upper_32_bits(region.start);
+                lu = upper_32_bits(region.end);
                 DBG(KERN_INFO "  PREFETCH window: 0x%016llx-0x%016llx\n",
                     (unsigned long long)region.start,
                     (unsigned long long)region.end);