[SeaBIOS] Intermittent USB keyboard freeze

[Kevin O'Connor]

On Wed, Feb 05, 2014 at 03:01:41PM +0100, Gerd Hoffmann wrote:
>   Hi,
> 
> > It would be even better to clear the cache on a set_address command
> > (to cover the admittedly obscure case of an OS changing a device's
> > address later on).
> 
> Additional verification check catches any address change (token address
> not matching current device address).  That fixes the keyboard issue and
> should also catch the obscure address change case.  And also the more
> likely case of the address flipping back to zero due to a port reset.

Yes.  That makes sense and is a better approach.

The patch fixes the issue for me.

-Kevin