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authorFelipe Balbi <balbi@ti.com>2011-12-19 12:07:40 +0200
committerFelipe Balbi <balbi@ti.com>2012-02-28 14:49:09 +0200
commitaf93f2c77ac79e2f0bed542b5890f618d9d0cdb3 (patch)
treef6a5672ee968529dc65283c7d576656d628b652d /drivers/usb/gadget
parent05d00fbe87f185d55edf7461d4f714a3909bc908 (diff)
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/net2272.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c
index 7322d293213e..01ae56f47174 100644
--- a/drivers/usb/gadget/net2272.c
+++ b/drivers/usb/gadget/net2272.c
@@ -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",