Am Samstag, 30. Juni 2007 schrieb Greg KH:
> On Fri, Jun 29, 2007 at 03:18:23PM -0700, David Brownell wrote:
> >
> > > > Gaak. Just pass the usb_host_endpoint pointer in, with the relevant
> > > > length indicator. Four functions would be ugly, unclean, unneceesary.
> > > > All the relevant data is in the endpoint descriptor, which is stored
> > > > in the host_endpoint struct.
> > >
> > > This would be true, were it not for those drivers which use interrupt URBs
> > > on bulk endpoints.
> >
> > It's still true. You should never make such oddball exceptions
> > into a special case around which an API is defined ... they should
> > stay oddball exceptions. Like in this case, patching up the URB
> > after it's set up would suffice. (And look sufficiently ugly that
> > driver writers couldn't excuse themselves by "I didn't know I was
> > not supposed to do that.)
>
> I agree, passing the usb_host_endpoint pointer would be the easiest way
> to do this.
So do we have consensus for this prototype:
struct urb *usb_alloc_urb(struct usb_host_endpoint *ep, unsigned int
max_length, unsigned int iso_fields, gfp_t mem_flags);
Regards
Oliver
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