Hi,

On Mon, Dec 19, 2011 at 10:21:36AM -0500, Alan Stern wrote:
> 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 <balbi@ti.com>
> > ---
> >  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.

sure

-- 
balbi