diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c
index 99c6a1b..4caa390 100644
--- a/drivers/usb/gadget/s3c_udc_otg.c
+++ b/drivers/usb/gadget/s3c_udc_otg.c
@@ -96,20 +96,20 @@ static int s3c_dequeue(struct usb_ep *ep, struct usb_request *);
 static int s3c_fifo_status(struct usb_ep *ep);
 static void s3c_fifo_flush(struct usb_ep *ep);
 static void s3c_ep0_read(struct dwc2_udc *dev);
-static void s3c_ep0_kick(struct dwc2_udc *dev, struct s3c_ep *ep);
+static void s3c_ep0_kick(struct dwc2_udc *dev, struct dwc2_ep *ep);
 static void s3c_handle_ep0(struct dwc2_udc *dev);
 static int s3c_ep0_write(struct dwc2_udc *dev);
-static int write_fifo_ep0(struct s3c_ep *ep, struct s3c_request *req);
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status);
+static int write_fifo_ep0(struct dwc2_ep *ep, struct s3c_request *req);
+static void done(struct dwc2_ep *ep, struct s3c_request *req, int status);
 static void stop_activity(struct dwc2_udc *dev,
 			  struct usb_gadget_driver *driver);
 static int udc_enable(struct dwc2_udc *dev);
 static void udc_set_address(struct dwc2_udc *dev, unsigned char address);
 static void reconfig_usbd(struct dwc2_udc *dev);
 static void set_max_pktsize(struct dwc2_udc *dev, enum usb_device_speed speed);
-static void nuke(struct s3c_ep *ep, int status);
+static void nuke(struct dwc2_ep *ep, int status);
 static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
-static void s3c_udc_set_nak(struct s3c_ep *ep);
+static void s3c_udc_set_nak(struct dwc2_ep *ep);
 
 void set_udc_gadget_private_data(void *p)
 {
@@ -191,7 +191,7 @@ static void udc_reinit(struct dwc2_udc *dev)
 
 	/* basic endpoint records init */
 	for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
-		struct s3c_ep *ep = &dev->ep[i];
+		struct dwc2_ep *ep = &dev->ep[i];
 
 		if (i != 0)
 			list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list);
@@ -305,7 +305,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 /*
  *	done - retire a request; caller blocked irqs
  */
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status)
+static void done(struct dwc2_ep *ep, struct s3c_request *req, int status)
 {
 	unsigned int stopped = ep->stopped;
 
@@ -356,7 +356,7 @@ static void done(struct s3c_ep *ep, struct s3c_request *req, int status)
 /*
  *	nuke - dequeue ALL requests
  */
-static void nuke(struct s3c_ep *ep, int status)
+static void nuke(struct dwc2_ep *ep, int status)
 {
 	struct s3c_request *req;
 
@@ -381,7 +381,7 @@ static void stop_activity(struct dwc2_udc *dev,
 
 	/* prevent new request submissions, kill any outstanding requests  */
 	for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
-		struct s3c_ep *ep = &dev->ep[i];
+		struct dwc2_ep *ep = &dev->ep[i];
 		ep->stopped = 1;
 		nuke(ep, -ESHUTDOWN);
 	}
@@ -530,13 +530,13 @@ static void set_max_pktsize(struct dwc2_udc *dev, enum usb_device_speed speed)
 static int s3c_ep_enable(struct usb_ep *_ep,
 			 const struct usb_endpoint_descriptor *desc)
 {
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 	struct dwc2_udc *dev;
 	unsigned long flags = 0;
 
 	debug("%s: %p\n", __func__, _ep);
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	if (!_ep || !desc || ep->desc || _ep->name == ep0name
 	    || desc->bDescriptorType != USB_DT_ENDPOINT
 	    || ep->bEndpointAddress != desc->bEndpointAddress
@@ -595,12 +595,12 @@ static int s3c_ep_enable(struct usb_ep *_ep,
  */
 static int s3c_ep_disable(struct usb_ep *_ep)
 {
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 	unsigned long flags = 0;
 
 	debug("%s: %p\n", __func__, _ep);
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	if (!_ep || !ep->desc) {
 		debug("%s: %s not enabled\n", __func__,
 		      _ep ? ep->ep.name : NULL);
@@ -652,13 +652,13 @@ static void s3c_free_request(struct usb_ep *ep, struct usb_request *_req)
 /* dequeue JUST ONE request */
 static int s3c_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 {
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 	struct s3c_request *req;
 	unsigned long flags = 0;
 
 	debug("%s: %p\n", __func__, _ep);
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	if (!_ep || ep->ep.name == ep0name)
 		return -EINVAL;
 
@@ -686,9 +686,9 @@ static int s3c_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 static int s3c_fifo_status(struct usb_ep *_ep)
 {
 	int count = 0;
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	if (!_ep) {
 		debug("%s: bad ep\n", __func__);
 		return -ENODEV;
@@ -708,9 +708,9 @@ static int s3c_fifo_status(struct usb_ep *_ep)
  */
 static void s3c_fifo_flush(struct usb_ep *_ep)
 {
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	if (unlikely(!_ep || (!ep->desc && ep->ep.name != ep0name))) {
 		debug("%s: bad ep\n", __func__);
 		return;
diff --git a/drivers/usb/gadget/s3c_udc_otg_priv.h b/drivers/usb/gadget/s3c_udc_otg_priv.h
index 567fb4e..a9b6969 100644
--- a/drivers/usb/gadget/s3c_udc_otg_priv.h
+++ b/drivers/usb/gadget/s3c_udc_otg_priv.h
@@ -51,7 +51,7 @@ enum ep_type {
 	ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
 };
 
-struct s3c_ep {
+struct dwc2_ep {
 	struct usb_ep ep;
 	struct dwc2_udc *dev;
 
@@ -81,7 +81,7 @@ struct dwc2_udc {
 	struct s3c_plat_otg_data *pdata;
 
 	int ep0state;
-	struct s3c_ep ep[S3C_MAX_ENDPOINTS];
+	struct dwc2_ep ep[S3C_MAX_ENDPOINTS];
 
 	unsigned char usb_address;
 
@@ -97,6 +97,6 @@ extern struct dwc2_udc *the_controller;
 extern void otg_phy_init(struct dwc2_udc *dev);
 extern void otg_phy_off(struct dwc2_udc *dev);
 
-extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
+extern void s3c_udc_ep_set_stall(struct dwc2_ep *ep);
 
 #endif	/* __S3C_UDC_OTG_PRIV__ */
diff --git a/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c b/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c
index 6695444..53c9d4e 100644
--- a/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c
+++ b/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c
@@ -90,7 +90,7 @@ static inline void s3c_ep0_complete_out(void)
 }
 
 
-static int setdma_rx(struct s3c_ep *ep, struct s3c_request *req)
+static int setdma_rx(struct dwc2_ep *ep, struct s3c_request *req)
 {
 	u32 *buf, ctrl;
 	u32 length, pktcnt;
@@ -128,7 +128,7 @@ static int setdma_rx(struct s3c_ep *ep, struct s3c_request *req)
 
 }
 
-int setdma_tx(struct s3c_ep *ep, struct s3c_request *req)
+int setdma_tx(struct dwc2_ep *ep, struct s3c_request *req)
 {
 	u32 *buf, ctrl = 0;
 	u32 length, pktcnt;
@@ -188,7 +188,7 @@ int setdma_tx(struct s3c_ep *ep, struct s3c_request *req)
 
 static void complete_rx(struct dwc2_udc *dev, u8 ep_num)
 {
-	struct s3c_ep *ep = &dev->ep[ep_num];
+	struct dwc2_ep *ep = &dev->ep[ep_num];
 	struct s3c_request *req = NULL;
 	u32 ep_tsr = 0, xfer_size = 0, is_short = 0;
 
@@ -261,7 +261,7 @@ static void complete_rx(struct dwc2_udc *dev, u8 ep_num)
 
 static void complete_tx(struct dwc2_udc *dev, u8 ep_num)
 {
-	struct s3c_ep *ep = &dev->ep[ep_num];
+	struct dwc2_ep *ep = &dev->ep[ep_num];
 	struct s3c_request *req;
 	u32 ep_tsr = 0, xfer_size = 0, is_short = 0;
 	u32 last;
@@ -337,7 +337,7 @@ static void complete_tx(struct dwc2_udc *dev, u8 ep_num)
 
 static inline void s3c_udc_check_tx_queue(struct dwc2_udc *dev, u8 ep_num)
 {
-	struct s3c_ep *ep = &dev->ep[ep_num];
+	struct dwc2_ep *ep = &dev->ep[ep_num];
 	struct s3c_request *req;
 
 	debug_cond(DEBUG_IN_EP,
@@ -583,7 +583,7 @@ static int s3c_queue(struct usb_ep *_ep, struct usb_request *_req,
 			 gfp_t gfp_flags)
 {
 	struct s3c_request *req;
-	struct s3c_ep *ep;
+	struct dwc2_ep *ep;
 	struct dwc2_udc *dev;
 	unsigned long flags = 0;
 	u32 ep_num, gintsts;
@@ -596,7 +596,7 @@ static int s3c_queue(struct usb_ep *_ep, struct usb_request *_req,
 		return -EINVAL;
 	}
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 
 	if (unlikely(!_ep || (!ep->desc && ep->ep.name != ep0name))) {
 
@@ -680,7 +680,7 @@ static int s3c_queue(struct usb_ep *_ep, struct usb_request *_req,
 /****************************************************************/
 
 /* return:  0 = still running, 1 = completed, negative = errno */
-static int write_fifo_ep0(struct s3c_ep *ep, struct s3c_request *req)
+static int write_fifo_ep0(struct dwc2_ep *ep, struct s3c_request *req)
 {
 	u32 max;
 	unsigned count;
@@ -718,7 +718,7 @@ static int write_fifo_ep0(struct s3c_ep *ep, struct s3c_request *req)
 	return 0;
 }
 
-int s3c_fifo_read(struct s3c_ep *ep, u32 *cp, int max)
+int s3c_fifo_read(struct dwc2_ep *ep, u32 *cp, int max)
 {
 	invalidate_dcache_range((unsigned long)cp, (unsigned long)cp +
 				ROUND(max, CONFIG_SYS_CACHELINE_SIZE));
@@ -751,7 +751,7 @@ static void udc_set_address(struct dwc2_udc *dev, unsigned char address)
 	dev->usb_address = address;
 }
 
-static inline void s3c_udc_ep0_set_stall(struct s3c_ep *ep)
+static inline void s3c_udc_ep0_set_stall(struct dwc2_ep *ep)
 {
 	struct dwc2_udc *dev;
 	u32		ep_ctrl = 0;
@@ -782,7 +782,7 @@ static inline void s3c_udc_ep0_set_stall(struct s3c_ep *ep)
 static void s3c_ep0_read(struct dwc2_udc *dev)
 {
 	struct s3c_request *req;
-	struct s3c_ep *ep = &dev->ep[0];
+	struct dwc2_ep *ep = &dev->ep[0];
 
 	if (!list_empty(&ep->queue)) {
 		req = list_entry(ep->queue.next, struct s3c_request, queue);
@@ -819,7 +819,7 @@ static void s3c_ep0_read(struct dwc2_udc *dev)
 static int s3c_ep0_write(struct dwc2_udc *dev)
 {
 	struct s3c_request *req;
-	struct s3c_ep *ep = &dev->ep[0];
+	struct dwc2_ep *ep = &dev->ep[0];
 	int ret, need_zlp = 0;
 
 	if (list_empty(&ep->queue))
@@ -920,7 +920,7 @@ int s3c_udc_get_status(struct dwc2_udc *dev,
 	return 0;
 }
 
-static void s3c_udc_set_nak(struct s3c_ep *ep)
+static void s3c_udc_set_nak(struct dwc2_ep *ep)
 {
 	u8		ep_num;
 	u32		ep_ctrl = 0;
@@ -946,7 +946,7 @@ static void s3c_udc_set_nak(struct s3c_ep *ep)
 }
 
 
-void s3c_udc_ep_set_stall(struct s3c_ep *ep)
+void s3c_udc_ep_set_stall(struct dwc2_ep *ep)
 {
 	u8		ep_num;
 	u32		ep_ctrl = 0;
@@ -981,7 +981,7 @@ void s3c_udc_ep_set_stall(struct s3c_ep *ep)
 	return;
 }
 
-void s3c_udc_ep_clear_stall(struct s3c_ep *ep)
+void s3c_udc_ep_clear_stall(struct dwc2_ep *ep)
 {
 	u8		ep_num;
 	u32		ep_ctrl = 0;
@@ -1031,12 +1031,12 @@ void s3c_udc_ep_clear_stall(struct s3c_ep *ep)
 
 static int s3c_udc_set_halt(struct usb_ep *_ep, int value)
 {
-	struct s3c_ep	*ep;
+	struct dwc2_ep	*ep;
 	struct dwc2_udc	*dev;
 	unsigned long	flags = 0;
 	u8		ep_num;
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	ep_num = ep_index(ep);
 
 	if (unlikely(!_ep || !ep->desc || ep_num == EP0_CON ||
@@ -1076,7 +1076,7 @@ static int s3c_udc_set_halt(struct usb_ep *_ep, int value)
 	return 0;
 }
 
-void s3c_udc_ep_activate(struct s3c_ep *ep)
+void s3c_udc_ep_activate(struct dwc2_ep *ep)
 {
 	u8 ep_num;
 	u32 ep_ctrl = 0, daintmsk = 0;
@@ -1126,10 +1126,10 @@ void s3c_udc_ep_activate(struct s3c_ep *ep)
 static int s3c_udc_clear_feature(struct usb_ep *_ep)
 {
 	struct dwc2_udc	*dev;
-	struct s3c_ep	*ep;
+	struct dwc2_ep	*ep;
 	u8		ep_num;
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	ep_num = ep_index(ep);
 
 	dev = ep->dev;
@@ -1190,10 +1190,10 @@ static int s3c_udc_clear_feature(struct usb_ep *_ep)
 static int s3c_udc_set_feature(struct usb_ep *_ep)
 {
 	struct dwc2_udc	*dev;
-	struct s3c_ep	*ep;
+	struct dwc2_ep	*ep;
 	u8		ep_num;
 
-	ep = container_of(_ep, struct s3c_ep, ep);
+	ep = container_of(_ep, struct dwc2_ep, ep);
 	ep_num = ep_index(ep);
 	dev = ep->dev;
 
@@ -1264,7 +1264,7 @@ static int s3c_udc_set_feature(struct usb_ep *_ep)
  */
 void s3c_ep0_setup(struct dwc2_udc *dev)
 {
-	struct s3c_ep *ep = &dev->ep[0];
+	struct dwc2_ep *ep = &dev->ep[0];
 	int i;
 	u8 ep_num;
 
@@ -1465,7 +1465,7 @@ static void s3c_handle_ep0(struct dwc2_udc *dev)
 	}
 }
 
-static void s3c_ep0_kick(struct dwc2_udc *dev, struct s3c_ep *ep)
+static void s3c_ep0_kick(struct dwc2_udc *dev, struct dwc2_ep *ep)
 {
 	debug_cond(DEBUG_EP0 != 0,
 		   "%s: ep_is_in = %d\n", __func__, ep_is_in(ep));