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Date: Sun, 3 Dec 2006 18:00:46 +0100
From: Peter Stuge <stuge-linuxbios@cdy.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Greg KH <gregkh@suse.de>, linux-kernel@vger.kernel.org,
       Andi Kleen <ak@suse.de>, linuxbios@linuxbios.org
Subject: Re: [LinuxBIOS] #57: libusb host program for PLX NET20DC debug device
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On Fri, Dec 01, 2006 at 04:02:03PM -0700, Eric W. Biederman wrote:
> >> Sure, I will send it out shortly.  I currently have a working
> >> user space libusb thing (easy, but useful for my debug)
> >
> > Hm - for driving which end?
> 
> Either.  The specific device we are talking about doesn't care.

Which device do you have?


> > The debug port isn't really supposed to be used with anything but
> > a debug device - which can't be enumerated normally anyway.
> 
> It depends.  If you have a debug cable with magic ends and a
> hardcoded address of 127 the normal enumeration doesn't work.  I
> don't think anyone actually makes one of those.

Only one of the ports on Stefan's PLX NET20DC that I had a look at
during the LinuxBIOS symposium enumerated for me.


> Debug devices are also allowed to be normal devices that just
> support the debug descriptor.  Which is what I'm working with.

Aye. I would be happy if we could get something out, as you have
done! :) Looking forward to trying it, I hope I get my device soon.


//Peter