diff --git a/include/asm-s390/pci.h b/include/asm-s390/pci.h
new file mode 100644
index 0000000..42a145c
--- /dev/null
+++ b/include/asm-s390/pci.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_S390_PCI_H
+#define __ASM_S390_PCI_H
+
+/* S/390 systems don't have a PCI bus. This file is just here because some stupid .c code
+ * includes it even if CONFIG_PCI is not set.
+ */
+#define PCI_DMA_BUS_IS_PHYS (0)
+
+#endif /* __ASM_S390_PCI_H */
+