On Fri, 27 Jul 2007, Gabriel Maganis wrote:

> On 7/27/07, Pete Zaitcev <[EMAIL PROTECTED]> wrote:
> > On Fri, 27 Jul 2007 11:29:07 -0700, "Gabriel Maganis" <[EMAIL PROTECTED]> 
> > wrote:
> >
> > >     Thanks for the help below. I am trying to answer "what will the
> > > keyboard send me if I send it a packet configured over
> > > USB_SPEED_FULL?". Simply setting usb_device->speed to USB_SPEED_FULL
> > > doesn't work as the packet does not even get sent by the
> > > subsystem/hcd.
> >
> > How do you know that the packet is not sent?
> >
> > The EPROTO you are getting is what happens when packet IS sent and
> > gets no reply.
> >
> > -- Pete
> >
> > P.S. Gmail is not a valid excuse for top-posting.
> >
> 
> I have one of those protocol analyzers in between and it doesn't see
> anything. I tried to look for where the EPROTO is being returned from
> but grep -r doesn give me relevant results. I also looked at the
> sanity checks in submit_urb but I don't think any are doing anything
> about the speed. Would you know which file would contain the "lowest
> level" routine that sends the packets?

A more important question is: Why do you want to change 
usb_device->speed from USB_SPEED_LOW to USB_SPEED_FULL?  Was there 
something wrong with the USB_SPEED_LOW setting?

Alan Stern


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