diff --git a/drivers/misc/mpc83xx_serdes.c b/drivers/misc/mpc83xx_serdes.c
index 2d40621..ab1e34e 100644
--- a/drivers/misc/mpc83xx_serdes.c
+++ b/drivers/misc/mpc83xx_serdes.c
@@ -14,6 +14,7 @@
 #include <log.h>
 #include <mapmem.h>
 #include <misc.h>
+#include <linux/delay.h>
 
 #include "mpc83xx_serdes.h"