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Commit 05d00fbe authored by Felipe Balbi's avatar Felipe Balbi
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usb: gadget: r8a66597: use generic map/unmap routines 



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

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 220e8600

drivers/usb/gadget/r8a66597-udc.c

+2 −8
Original line number Diff line number Diff line
@@ -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);