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usb: gadget: r8a66597: use generic map/unmap routines

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those routines have everything we need to map/unmap
USB requests and it's better to use them.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2011-12-19 12:03:57 +02:00
parent 220e860009
commit 05d00fbe87
1 changed files with 2 additions and 8 deletions
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10
drivers/usb/gadget/r8a66597-udc.c
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@ -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);