diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 91a375fb6ae622181231fce19b1a5907e94c9f40..ea2bd1be26404092585dcb4d20b0ab113a808ab7 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -23,6 +23,7 @@
 #include <asm/machdep.h>
 #endif /* CONFIG_PPC */
 
+#include <asm/setup.h>
 #include <asm/page.h>
 
 char *of_fdt_get_string(struct boot_param_header *blob, u32 offset)