diff --git a/drivers/usb/gadget/core.c b/drivers/usb/gadget/core.c
index ffaf161fb7..7e1e51db96 100644
--- a/drivers/usb/gadget/core.c
+++ b/drivers/usb/gadget/core.c
@@ -16,6 +16,7 @@
  */
 
 #include <malloc.h>
+#include <serial.h>
 #include <usbdevice.h>
 
 #define MAX_INTERFACES 2
diff --git a/drivers/usb/gadget/designware_udc.c b/drivers/usb/gadget/designware_udc.c
index 432f312cee..70c5c678c3 100644
--- a/drivers/usb/gadget/designware_udc.c
+++ b/drivers/usb/gadget/designware_udc.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <serial.h>
 #include <asm/io.h>
 
 #include <env.h>
diff --git a/drivers/usb/gadget/ep0.c b/drivers/usb/gadget/ep0.c
index a36d9ec03d..6fabee24ce 100644
--- a/drivers/usb/gadget/ep0.c
+++ b/drivers/usb/gadget/ep0.c
@@ -37,6 +37,7 @@
  */
 
 #include <common.h>
+#include <serial.h>
 #include <usbdevice.h>
 
 #if 0
@@ -581,7 +582,7 @@ int ep0_recv_setup (struct urb *urb)
 			device->interface = le16_to_cpu (request->wIndex);
 			device->alternate = le16_to_cpu (request->wValue);
 			/*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */
-			serial_printf ("DEVICE_SET_INTERFACE.. event?\n");
+			serial_printf("DEVICE_SET_INTERFACE.. event?\n");
 			return 0;
 
 		case USB_REQ_GET_STATUS:
diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c
index cca1653f1e..05059ce3cb 100644
--- a/drivers/usb/musb-new/omap2430.c
+++ b/drivers/usb/musb-new/omap2430.c
@@ -10,6 +10,7 @@
  */
 #include <common.h>
 #include <dm.h>
+#include <serial.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <linux/usb/otg.h>
diff --git a/drivers/usb/musb/musb_udc.c b/drivers/usb/musb/musb_udc.c
index 7620114bec..584564bac2 100644
--- a/drivers/usb/musb/musb_udc.c
+++ b/drivers/usb/musb/musb_udc.c
@@ -38,6 +38,7 @@
  */
 
 #include <common.h>
+#include <serial.h>
 #include <usbdevice.h>
 #include <usb/udc.h>
 #include "../gadget/ep0.h"
diff --git a/drivers/usb/musb/omap3.c b/drivers/usb/musb/omap3.c
index b2e4c32baf..080bd78523 100644
--- a/drivers/usb/musb/omap3.c
+++ b/drivers/usb/musb/omap3.c
@@ -16,6 +16,7 @@
  * ------------------------------------------------------------------------
  */
 
+#include <serial.h>
 #include <asm/omap_common.h>
 #include <twl4030.h>
 #include <twl6030.h>
diff --git a/include/common.h b/include/common.h
index 4fda40cc1d..f97a7b6e14 100644
--- a/include/common.h
+++ b/include/common.h
@@ -310,13 +310,6 @@ int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
 /* lib/vsprintf.c */
 #include <vsprintf.h>
 
-/*
- * STDIO based functions (can always be used)
- */
-/* serial stuff */
-int	serial_printf (const char *fmt, ...)
-		__attribute__ ((format (__printf__, 1, 2)));
-
 /* lib/net_utils.c */
 #include <net.h>
 
diff --git a/include/serial.h b/include/serial.h
index 38a1cc99ae..8d1803c800 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -324,4 +324,15 @@ void pl01x_serial_initialize(void);
 void pxa_serial_initialize(void);
 void sh_serial_initialize(void);
 
+/**
+ * serial_printf() - Write a formatted string to the serial console
+ *
+ * The total size of the output must be less than CONFIG_SYS_PBSIZE.
+ *
+ * @fmt: Printf format string, followed by format arguments
+ * @return number of characters written
+ */
+int serial_printf(const char *fmt, ...)
+		__attribute__ ((format (__printf__, 1, 2)));
+
 #endif