usb: gadget: lpc32xx_udc: switch over to usb_gadget_map/unmap_request()

we have generic implementations for a reason,
let's use them

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
index 67c3ef9..1478327 100644 (file)
--- a/drivers/usb/gadget/lpc32xx_udc.c
+++ b/drivers/usb/gadget/lpc32xx_udc.c
@@ -1469,23 +1469,7 @@ static void done(struct lpc32xx_ep *ep, struct lpc32xx_request *req, int status)
                status = req->req.status;
 
        if (ep->lep) {
-               enum dma_data_direction direction;
-
-               if (ep->is_in)
-                       direction = DMA_TO_DEVICE;
-               else
-                       direction = DMA_FROM_DEVICE;
-
-               if (req->mapped) {
-                       dma_unmap_single(ep->udc->gadget.dev.parent,
-                                       req->req.dma, req->req.length,
-                                       direction);
-                       req->req.dma = 0;
-                       req->mapped = 0;
-               } else
-                       dma_sync_single_for_cpu(ep->udc->gadget.dev.parent,
-                                               req->req.dma, req->req.length,
-                                               direction);
+               usb_gadget_unmap_request(&udc->gadget, &req->req, ep->is_in);
 
                /* Free DDs */
                udc_dd_free(udc, req->dd_desc_ptr);
@@ -1841,26 +1825,11 @@ static int lpc32xx_ep_queue(struct usb_ep *_ep,
        }
 
        if (ep->lep) {
-               enum dma_data_direction direction;
                struct lpc32xx_usbd_dd_gad *dd;
 
-               /* Map DMA pointer */
-               if (ep->is_in)
-                       direction = DMA_TO_DEVICE;
-               else
-                       direction = DMA_FROM_DEVICE;
-
-               if (req->req.dma == 0) {
-                       req->req.dma = dma_map_single(
-                               ep->udc->gadget.dev.parent,
-                               req->req.buf, req->req.length, direction);
-                       req->mapped = 1;
-               } else {
-                       dma_sync_single_for_device(
-                               ep->udc->gadget.dev.parent, req->req.dma,
-                               req->req.length, direction);
-                       req->mapped = 0;
-               }
+               status = usb_gadget_map_request(&udc->gadget, _req, ep->is_in);
+               if (status)
+                       return status;
 
                /* For the request, build a list of DDs */
                dd = udc_dd_alloc(udc);