those routines have everything we need to map/unmap
USB requests and it's better to use them.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
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 5af70fcc..5e1b766 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -310,12 +310,9 @@ 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)
@@ -736,10 +733,11 @@ 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
--
1.7.8.2
--
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