Re: [PATCH 5/7] libata: move and reduce locking to the pio data xfer functions

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> That would be the cleanest way to do it but I'm not sure whether all
> controllers can live with that.  If I understand correctly, Some
> controllers just have to have the whole transfer done atomically.  I
> think Alan knows much better about this.  Alan?

Those controllers already do a local IRQ disable in their private
->data_xfer method so ought to be ok.
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