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authorFelipe Balbi <balbi@ti.com>2011-12-19 14:09:56 +0400
committerFelipe Balbi <balbi@ti.com>2012-02-28 16:49:11 +0400
commitae4d7933344e8bc5702cdc56e9498d3852cf3b2a (patch)
treee30b70bd138d59f808d988243fe6d19958637576 /drivers/usb/gadget/net2280.c
parentaf93f2c77ac79e2f0bed542b5890f618d9d0cdb3 (diff)
downloadlinux-ae4d7933344e8bc5702cdc56e9498d3852cf3b2a.tar.xz
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>
Diffstat (limited to 'drivers/usb/gadget/net2280.c')
-rw-r--r--drivers/usb/gadget/net2280.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index cdedd1336745..a5ccabc37f30 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -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