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Commit af93f2c7 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: gadget: net2272: use generic map/umap 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 05d00fbe

drivers/usb/gadget/net2272.c

+8 −10
Original line number Diff line number Diff line
@@ -385,12 +385,9 @@ net2272_done(struct net2272_ep *ep, struct net2272_request *req, int status) 
		status = req->req.status;



	dev = ep->dev;

	if (use_dma && req->mapped) {

		dma_unmap_single(dev->dev, req->req.dma, req->req.length,

			ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);

		req->req.dma = DMA_ADDR_INVALID;

		req->mapped = 0;

	}

	if (use_dma && ep->dma)

		usb_gadget_unmap_request(&dev->gadget, &req->req,

				ep->is_in);



	if (status && status != -ESHUTDOWN)

		dev_vdbg(dev->dev, "complete %s req %p stat %d len %u/%u buf %p\n",
@@ -850,10 +847,11 @@ net2272_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) 
		return -ESHUTDOWN;



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

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

		_req->dma = dma_map_single(dev->dev, _req->buf, _req->length,

			ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);

		req->mapped = 1;

	if (use_dma && ep->dma) {

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

				ep->is_in);

		if (status)

			return status;

	}



	dev_vdbg(dev->dev, "%s queue req %p, len %d buf %p dma %08llx %s\n",