diff --git a/drivers/gpio/sh_pfc.c b/drivers/gpio/sh_pfc.c
index 00b806e..0653171 100644
--- a/drivers/gpio/sh_pfc.c
+++ b/drivers/gpio/sh_pfc.c
@@ -15,6 +15,7 @@
 #include <asm/bitops.h>
 #include <asm/io.h>
 #include <sh_pfc.h>
+#include <linux/bitops.h>
 #include <linux/bug.h>
 
 static struct pinmux_info *gpioc;