diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 7a13f378ca2c..c78e6dac4d7d 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -13,6 +13,7 @@
 
 #include <linux/crash_dump.h>
 #include <linux/bootmem.h>
+#include <linux/io.h>
 #include <linux/memblock.h>
 #include <asm/code-patching.h>
 #include <asm/kdump.h>