diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index 389c5b164eb2..fad5d916564c 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -1990,7 +1990,7 @@ static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
 	return;
 
 bad2:
-	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received,"
+	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
 			"Function : %d, Subfunction : %d\n",
 			E1_FUNCTION_TYPE(cmv->bFunction),
 			E1_FUNCTION_SUBTYPE(cmv->bFunction));
@@ -2038,7 +2038,7 @@ static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
 	return;
 
 bad2:
-	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received,"
+	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
 			"Function : %d, Subfunction : %d\n",
 			E4_FUNCTION_TYPE(cmv->wFunction),
 			E4_FUNCTION_SUBTYPE(cmv->wFunction));
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index c72e9620bf8d..66e10da8a490 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -1244,7 +1244,7 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp)
 		/* stop OUT naking */
 		if (!ep->in) {
 			if (!use_dma && udc_rxfifo_pending) {
-				DBG(dev, "udc_queue(): pending bytes in"
+				DBG(dev, "udc_queue(): pending bytes in "
 					"rxfifo after nyet\n");
 				/*
 				 * read pending bytes afer nyet:
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 154007aa8d30..478d8349cf00 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -748,7 +748,7 @@ static void irq_ep0_write(struct m66592_ep *ep, struct m66592_request *req)
 	do {
 		tmp = m66592_read(m66592, ep->fifoctr);
 		if (i++ > 100000) {
-			printk(KERN_ERR "pipe0 is busy. maybe cpu i/o bus"
+			printk(KERN_ERR "pipe0 is busy. maybe cpu i/o bus "
 				"conflict. please power off this controller.");
 			return;
 		}
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index d5d473f8144b..33469cf5aec3 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2435,7 +2435,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 			break;
 		default:
 delegate:
-			VDEBUG (dev, "setup %02x.%02x v%04x i%04x l%04x"
+			VDEBUG (dev, "setup %02x.%02x v%04x i%04x l%04x "
 				"ep_cfg %08x\n",
 				u.r.bRequestType, u.r.bRequest,
 				w_value, w_index, w_length,