Alan Cox wrote:
On Mon, Feb 18, 2008 at 03:53:46PM -0500, Mark Lord wrote:
+ /* some SATA bridges need us to indicate data xfer direction */
+               if (atapi_dmadir || (dev->id[62] & 0x8000))

The rest of the code uses ata_ inlines/defines in ata.h for things like this
and religiously checks validity bits and ATA versions.

Feel free.  I don't actually have a device like that here to test on,
so I'm not particularly motivated about doing more than the above right now.

Perhaps you or Albert may be, though.  :)

That particular bit has always been zero (reserved), from ATA1 through present,
except when used as a DMADIR bit, beginning somewhere around ATA7.

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