diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 6e42aab75806e12c58e7b572e1dc953a13a32fa0..95e8138cd48fd9ff9be91f170777f562d3c88ede 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -60,6 +60,7 @@
 #include <linux/device.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/prefetch.h>
 
 #include <asm/byteorder.h>
 #include <asm/system.h>
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 41dc093c0a1b943fa44a69629dbd19e8cc5f098c..f4690ffcb4890af84e0ba88a82dd929e3e2fab82 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -38,6 +38,7 @@
 #include <linux/clk.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
+#include <linux/prefetch.h>
 
 #include <asm/byteorder.h>
 #include <mach/hardware.h>
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 24696f7fa6a9a7a412c229f8667edd1895e1226d..476d88e1ae97daaaf67dd78b5e8565b9ff7d7e9e 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -63,6 +63,7 @@
 #include <linux/device.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
+#include <linux/prefetch.h>
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index cfe3cf56d6bd5e531682f928b02023b6c863660e..9a1b966e18db70afe42966dea0693e8684f450bd 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -26,6 +26,7 @@
 #include <linux/clk.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
+#include <linux/prefetch.h>
 
 #include <mach/regs-s3c2443-clock.h>
 #include <plat/udc.h>
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 6d8b04061d5d6772f076c9792315a8ee8c42499d..100f2635cf0a1d2ee3ef0a175c685e6f35a2b213 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -36,6 +36,7 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/prefetch.h>
 
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>