usb: gadget: fusb300: 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>

1 files changed, 7 insertions, 10 deletions

diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index 2d3c8b351f42..5c9dd064767f 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -938,25 +938,22 @@ IDMA_RESET:
 static void  fusb300_set_idma(struct fusb300_ep *ep,
                         struct fusb300_request *req)
 {
-        dma_addr_t d;
+        int ret;
 
-        d = dma_map_single(NULL, req->req.buf, req->req.length, DMA_TO_DEVICE);
-
-        if (dma_mapping_error(NULL, d)) {
-                printk(KERN_DEBUG "dma_mapping_error\n");
+        ret = usb_gadget_map_request(&ep->fusb300->gadget,
+                        &req->req, DMA_TO_DEVICE);
+        if (ret)
                 return;
-        }
-
-        dma_sync_single_for_device(NULL, d, req->req.length, DMA_TO_DEVICE);
 
         fusb300_enable_bit(ep->fusb300, FUSB300_OFFSET_IGER0,
                 FUSB300_IGER0_EEPn_PRD_INT(ep->epnum));
 
-        fusb300_fill_idma_prdtbl(ep, d, req->req.length);
+        fusb300_fill_idma_prdtbl(ep, req->req.dma, req->req.length);
         /* check idma is done */
         fusb300_wait_idma_finished(ep);
 
-        dma_unmap_single(NULL, d, req->req.length, DMA_TO_DEVICE);
+        usb_gadget_unmap_request(&ep->fusb300->gadget,
+                        &req->req, DMA_TO_DEVICE);
 }
 
 static void in_ep_fifo_handler(struct fusb300_ep *ep)