diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 2785058..5e07db0 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -143,7 +143,8 @@
  */
 void *acpi_os_allocate(acpi_size size);
 
-void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_native_uint length);
+void __iomem *acpi_os_map_memory(acpi_physical_address where,
+				 acpi_native_uint length);
 
 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);