diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 350dbcd90681d23483d38345a4b17bcd5e619504..65307064a6fdc47fac6b3d9b85986a1c5b78e97f 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -16,6 +16,7 @@
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/gpio.h>
+#include <linux/irq.h>
 
 /* GPIO port for VBUS detecting */
 static int vbus_gpio_port = -1;		/* GPIO port number (-1:Not used) */