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path: root/drivers/usb/gadget/r8a66597-udc.c
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Diffstat (limited to 'drivers/usb/gadget/r8a66597-udc.c')
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index f5b8d215e1d5..c4401e7dd3a6 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -663,11 +663,7 @@ static int sudmac_alloc_channel(struct r8a66597 *r8a66597,
ep->fifoctr = D0FIFOCTR;
/* dma mapping */
- req->req.dma = dma_map_single(r8a66597_to_dev(ep->r8a66597),
- req->req.buf, req->req.length,
- dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-
- return 0;
+ return usb_gadget_map_request(&r8a66597->gadget, &req->req, dma->dir);
}
static void sudmac_free_channel(struct r8a66597 *r8a66597,
@@ -677,9 +673,7 @@ static void sudmac_free_channel(struct r8a66597 *r8a66597,
if (!r8a66597_is_sudmac(r8a66597))
return;
- dma_unmap_single(r8a66597_to_dev(ep->r8a66597),
- req->req.dma, req->req.length,
- ep->dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ usb_gadget_unmap_request(&r8a66597->gadget, &req->req, ep->dma->dir);
r8a66597_bclr(r8a66597, DREQE, ep->fifosel);
r8a66597_change_curpipe(r8a66597, 0, 0, ep->fifosel);