On Mon, 19 Dec 2011, Felipe Balbi wrote:
> those routines have everything we need to map/unmap
> USB requests and it's better to use them.
>
> Signed-off-by: Felipe Balbi <[email protected]>
> ---
> drivers/usb/gadget/net2280.c | 19 +++++++++----------
> 1 files changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
> index cf1f364..59d4794 100644
> --- a/drivers/usb/gadget/net2280.c
> +++ b/drivers/usb/gadget/net2280.c
> @@ -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->req,
> + ep->is_in);
As mentioned for the goku patch, &req->req can be replaced by _req.
Alan Stern
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