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>
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 5977749..e1dfd32 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -311,12 +311,9 @@
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 @@
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