patch: fix 30 second hang while resuming

[Poul-Henning Kamp]

In message <42224897.7050006 at root.org>, Nate Lawson writes:

>My system hangs a long time in ata_generic_reset() while resuming.  I 
>did some hunting and found that the loop was running for the full 310 * 
>100 ms (31 seconds). 

Have you tried sos@ new ATAng mk III patches ?  As far as I know he
plans to commit those shortly.

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