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: Felipe Balbi <balbi@ti.com>
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1 changed files with 8 additions and 10 deletions
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@ -385,12 +385,9 @@ net2272_done(struct net2272_ep *ep, struct net2272_request *req, int status)
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status = req->req.status;
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dev = ep->dev;
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if (use_dma && req->mapped) {
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dma_unmap_single(dev->dev, req->req.dma, req->req.length,
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ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
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req->req.dma = DMA_ADDR_INVALID;
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req->mapped = 0;
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}
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if (use_dma && ep->dma)
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usb_gadget_unmap_request(&dev->gadget, &req->req,
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ep->is_in);
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if (status && status != -ESHUTDOWN)
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dev_vdbg(dev->dev, "complete %s req %p stat %d len %u/%u buf %p\n",
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@ -850,10 +847,11 @@ net2272_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
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return -ESHUTDOWN;
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/* set up dma mapping in case the caller didn't */
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if (use_dma && ep->dma && _req->dma == DMA_ADDR_INVALID) {
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_req->dma = dma_map_single(dev->dev, _req->buf, _req->length,
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ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
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req->mapped = 1;
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if (use_dma && ep->dma) {
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status = usb_gadget_map_request(&dev->gadget, _req,
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ep->is_in);
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if (status)
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return status;
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}
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dev_vdbg(dev->dev, "%s queue req %p, len %d buf %p dma %08llx %s\n",
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