Re: [RFC] Moving from pipes to usb_host_endpoint pointers
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
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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