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usb: gadget: lpc32xx_udc: switch over to usb_gadget_map/unmap_request() 

we have generic implementations for a reason,
let's use them

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-01-28 17:13:27 +02:00
parent 0324f25fc6
commit 369ac9cb3e
1 changed files with 4 additions and 35 deletions
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39
drivers/usb/gadget/lpc32xx_udc.c
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@ -1469,23 +1469,7 @@ static void done(struct lpc32xx_ep *ep, struct lpc32xx_request *req, int status)
status = req->req.status;
if (ep->lep) {
enum dma_data_direction direction;
if (ep->is_in)
direction = DMA_TO_DEVICE;
else
direction = DMA_FROM_DEVICE;
if (req->mapped) {
dma_unmap_single(ep->udc->gadget.dev.parent,
req->req.dma, req->req.length,
direction);
req->req.dma = 0;
req->mapped = 0;
} else
dma_sync_single_for_cpu(ep->udc->gadget.dev.parent,
req->req.dma, req->req.length,
direction);
usb_gadget_unmap_request(&udc->gadget, &req->req, ep->is_in);
/* Free DDs */
udc_dd_free(udc, req->dd_desc_ptr);
@ -1841,26 +1825,11 @@ static int lpc32xx_ep_queue(struct usb_ep *_ep,
}
if (ep->lep) {
enum dma_data_direction direction;
struct lpc32xx_usbd_dd_gad *dd;
/* Map DMA pointer */
if (ep->is_in)
direction = DMA_TO_DEVICE;
else
direction = DMA_FROM_DEVICE;
if (req->req.dma == 0) {
req->req.dma = dma_map_single(
ep->udc->gadget.dev.parent,
req->req.buf, req->req.length, direction);
req->mapped = 1;
} else {
dma_sync_single_for_device(
ep->udc->gadget.dev.parent, req->req.dma,
req->req.length, direction);
req->mapped = 0;
}
status = usb_gadget_map_request(&udc->gadget, _req, ep->is_in);
if (status)
return status;
/* For the request, build a list of DDs */
dd = udc_dd_alloc(udc);