usb: gadget: Update r8a66597-udc to use usb_endpoint_descriptor inside the struct usb_ep

Remove redundant pointer to struct usb_endpoint_descriptor.

Signed-off-by: Ido Shayevitz <[e-mail]>
Signed-off-by: Felipe Balbi <[e-mail]>

drivers/usb/gadget/r8a66597-udc.c

···
 	unsigned char *counter;
 	int ret;
 
-	ep->desc = desc;
+	ep->ep.desc = desc;
 
 	if (ep->pipenum)	/* already allocated pipe  */
 		return 0;
···
 	/* set SUDMAC parameters */
 	dma = &r8a66597->dma;
 	dma->used = 1;
-	if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+	if (ep->ep.desc->bEndpointAddress & USB_DIR_IN) {
 		dma->dir = 1;
 	} else {
 		dma->dir = 0;
···
 
 static void start_packet(struct r8a66597_ep *ep, struct r8a66597_request *req)
 {
-	if (ep->desc->bEndpointAddress & USB_DIR_IN)
+	if (ep->ep.desc->bEndpointAddress & USB_DIR_IN)
 		start_packet_write(ep, req);
 	else
 		start_packet_read(ep, req);
···
 
 	if (restart) {
 		req = get_request_from_ep(ep);
-		if (ep->desc)
+		if (ep->ep.desc)
 			start_packet(ep, req);
 	}
 }
···
 				r8a66597_write(r8a66597, ~check, BRDYSTS);
 				ep = r8a66597->pipenum2ep[pipenum];
 				req = get_request_from_ep(ep);
-				if (ep->desc->bEndpointAddress & USB_DIR_IN)
+				if (ep->ep.desc->bEndpointAddress & USB_DIR_IN)
 					irq_packet_write(ep, req);
 				else
 					irq_packet_read(ep, req);
···
 	req->req.actual = 0;
 	req->req.status = -EINPROGRESS;
 
-	if (ep->desc == NULL)	/* control */
+	if (ep->ep.desc == NULL)	/* control */
 		start_ep0(ep, req);
 	else {
 		if (request && !ep->busy)
···
 
 	ep = container_of(_ep, struct r8a66597_ep, ep);
 
-	if (!ep || !ep->desc)
+	if (!ep || !ep->ep.desc)
 		return -EINVAL;
 
 	spin_lock_irqsave(&ep->r8a66597->lock, flags);

drivers/usb/gadget/r8a66597-udc.h

···
 	unsigned		use_dma:1;
 	u16			pipenum;
 	u16			type;
-	const struct usb_endpoint_descriptor	*desc;
+
 	/* register address */
 	unsigned char		fifoaddr;
 	unsigned char		fifosel;