[SeaBIOS] usb ohci pipe free fix

[Nils]

Hi kevin,
Op zaterdag 03-03-2012 om 22:33 uur [tijdzone -0500], schreef Kevin
O'Connor:

> I don't see anything wrong with the above code.  (The barrier() should
> be moved, but I don't see that causing the problems you're seeing.)
> 
> Getting more info may help.  Something like the below.
See ohci_test2.log

> Another thing you could try is forcing the "if (frameexp == 0)" branch
> (by, for example, changing it to "if (1 || frameexp == 0)".
With that branch forced i get the same timeout as before. 
See ohci_test3.log

Thanks, Nils.
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