diff --git a/lib/ioremap.c b/lib/ioremap.c
index 760521417b6..14c6078f17a 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -8,6 +8,7 @@
 #include <linux/vmalloc.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
+#include <linux/io.h>
 #include <asm/cacheflush.h>
 #include <asm/pgtable.h>