USB isochronous traffic with Rasberry Pi [WAS: Re: USB audio device on Raspberry Pi]

[Ian Lepore]

On Mon, 2014-05-12 at 19:24 -0400, Winston Smith wrote:
> On Mon, May 12, 2014 at 9:06 AM, Ian Lepore <ian at freebsd.org> wrote:
> > Committed as r265913; thanks for tracking this down!
> 
> I think I lost track of this in the email thread, but:
> 
> 1) Was this the cause of the stalls Tim described on the BBB?

I don't think so.  

> 2) What's the criteria for this to be MFC'd back to 10-STABLE?

Catching up with MFCs would be the main thing, and I'm getting started
on that today.  A few things here and there have been merged recently,
but in general the arm tree was last sync'd 11->10 in a big way in
mid-December.

It's a little harder to keep arm stable branches in sync because on
-current we've had so much instability for so long that it's a bit scary
to MFC a change a few days or even a couple weeks after it goes into
head, when you know that change is at best a small piece of fixing the
overall stability and might actually de-stabilize the 10-stable branch.

I think all that is calming down and things are in pretty good shape on
-current right now, so it seems like a good time to get several months
worth of work merged to 10-stable all at once (meaning over the next few
days, as close as I can get to "at once" and still do some testing along
the way).

-- Ian