On Wed, 18 Jul 2007, Oliver Neukum wrote:

> > Am Mittwoch 18 Juli 2007 schrieb Alan Stern:
> >  int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
> >  {
> > -       int                     pipe, temp, max;
> > -       struct usb_device       *dev;
> > -       int                     is_out;
> > +       int                             xfertype, max;
> > +       struct usb_device               *dev;
> > +       struct usb_host_endpoint        *ep;
> > +       int                             is_out;
> 
> This is a bit odd. Using a pointer the direction info should be included.

I don't understand.  Included where?

> Or you could use endpoint numbers, which would remove some issues
> with enummeration.

That's essentially the same as using a pipe, since some of the bits in 
a pipe _are_ the endpoint number.

Alan Stern


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