/from the media. */
> > + if (qc->nbytes < 2048)
> > + return -EOPNOTSUPP;
> > +
> > /* No ATAPI DMA in smart mode */
> > if (itdev->smart)
> > return -EOPNOTSUPP;
> >
>
> This looks like a gross hack. Aren't you supposed to inspect
> the command instead and whitelist the ones you know are OK,
> like pata_pdc2027x.c and sata_promise.c do?
It does seem to be about transfer size in the IT821x case not commands.
It may be to do with how we issue ATAPI command transfer sizes from high
up (patch went to Jeff) but for now this is definitely the right approach
Reviewed-by: Alan Cox <[email protected]>
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