diff --git a/lib/iomap.c b/lib/iomap.c
index d322293..5dbcb4b 100644
--- a/lib/iomap.c
+++ b/lib/iomap.c
@@ -224,6 +224,7 @@
 EXPORT_SYMBOL(iowrite16_rep);
 EXPORT_SYMBOL(iowrite32_rep);
 
+#ifdef CONFIG_HAS_IOPORT
 /* Create a virtual mapping cookie for an IO port range */
 void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
@@ -238,7 +239,9 @@
 }
 EXPORT_SYMBOL(ioport_map);
 EXPORT_SYMBOL(ioport_unmap);
+#endif /* CONFIG_HAS_IOPORT */
 
+#ifdef CONFIG_PCI
 /**
  * pci_iomap - create a virtual mapping cookie for a PCI BAR
  * @dev: PCI device that owns the BAR
@@ -280,3 +283,4 @@
 }
 EXPORT_SYMBOL(pci_iomap);
 EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_PCI */