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usb: gadget: net2280: 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: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2011-12-19 12:09:56 +02:00
parent af93f2c77a
commit ae4d793334
1 changed files with 9 additions and 10 deletions
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19
drivers/usb/gadget/net2280.c
View File

@ -806,12 +806,8 @@ done (struct net2280_ep *ep, struct net2280_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);
if (status && status != -ESHUTDOWN)
VDEBUG (dev, "complete %s req %p stat %d len %u/%u\n",
@ -857,10 +853,13 @@ net2280_queue (struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
return -EOPNOTSUPP;
/* 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) {
int ret;
ret = usb_gadget_map_request(&dev->gadget, _req,
ep->is_in);
if (ret)
return ret;
}
#if 0