diff --git a/drivers/gpio/pic32_gpio.c b/drivers/gpio/pic32_gpio.c
index d8789e7..bb1ad25 100644
--- a/drivers/gpio/pic32_gpio.c
+++ b/drivers/gpio/pic32_gpio.c
@@ -10,6 +10,7 @@
 #include <malloc.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
+#include <linux/bitops.h>
 #include <linux/compat.h>
 #include <mach/pic32.h>