Re: [patch 19/26] USB: mutual exclusion for EHCI init and portresets

[David Miller]

From: David Brownell <david-b@xxxxxxxxxxx>
Date: Mon, 19 Nov 2007 11:59:55 -0800

> > This addition certainly won't hurt.  Did we ever get any feedback as to 
> > whether it actually helped?
> 
> ISTR that davem refused to try it, after reporting an
> intermittent failure on the original patch (which only
> addresses one end of that hardware race).
> 
> So, no ... but given we know that closing only one side
> of the race isn't quite enough, I think we need it anyway.

I think we should put all these changes in because at a minimum
it's a step in the right direction even if it doesn't close
the hole %100.

So please let's merge the mutex and the msleep() change in
ASAP, thanks.
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