diff options
| author | Felipe Balbi <balbi@ti.com> | 2011-12-19 12:11:44 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-02-28 14:49:12 +0200 |
| commit | 6440093f5eae9842feb06e40d41c3bd569b6b461 (patch) | |
| tree | a34032e05b8869f0751b0405c5633d4462fe7403 | |
| parent | ae4d7933344e8bc5702cdc56e9498d3852cf3b2a (diff) | |
| download | lwn-6440093f5eae9842feb06e40d41c3bd569b6b461.tar.gz lwn-6440093f5eae9842feb06e40d41c3bd569b6b461.zip | |
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: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/gadget/goku_udc.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 59777490a19a..e1dfd32dc805 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -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 |