diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index d04cd3a625fa54906eda4e4339855c19aaecc5f5..4beb43c087d3dd6498daa296548c29b854701c5d 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -14,6 +14,7 @@
 #ifdef __KERNEL__
 #include <asm/byteorder.h>
 #include <asm/page.h>
+#include <linux/bug.h>
 #include <linux/kernel.h>
 
 #include <linux/types.h>