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Commit 6440093f authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: gadget: goku: 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 ae4d7933

drivers/usb/gadget/goku_udc.c

+8 −10
Original line number Diff line number Diff line
@@ -311,12 +311,9 @@ done(struct goku_ep *ep, struct goku_request *req, int status) 
		status = req->req.status;



	dev = ep->dev;

	if (req->mapped) {

		pci_unmap_single(dev->pdev, req->req.dma, req->req.length,

			ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);

		req->req.dma = DMA_ADDR_INVALID;

		req->mapped = 0;

	}



	if (ep->dma)

		usb_gadget_unmap_request(&dev->gadget, &req->req, ep->is_in);



#ifndef USB_TRACE

	if (status && status != -ESHUTDOWN)
@@ -737,10 +734,11 @@ goku_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) 
		return -EBUSY;



	/* set up dma mapping in case the caller didn't */

	if (ep->dma && _req->dma == DMA_ADDR_INVALID) {

		_req->dma = pci_map_single(dev->pdev, _req->buf, _req->length,

			ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);

		req->mapped = 1;

	if (ep->dma) {

		status = usb_gadget_map_request(&dev->gadget, &req->req,

				ep->is_in);

		if (status)

			return status;

	}



#ifdef USB_TRACE