libata: handle broken cable reporting

One or two ancient drives predated the cable spec and didn't sent the
valid bits for the field. I had hoped to leave this out of libata as a
piece of historical annoyance but a recent CD drive shows the same bug so
we have to import support for it.

Same concept as Bartlomiej's changes old IDE except that as we have
centralised blacklists we can avoid keeping another private table of stuff

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1e277852ba42..56a5673aebad 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -339,6 +339,7 @@ enum {
         ATA_HORKAGE_SKIP_PM     = (1 << 5),     /* Skip PM operations */
         ATA_HORKAGE_HPA_SIZE    = (1 << 6),     /* native size off by one */
         ATA_HORKAGE_IPM         = (1 << 7),     /* Link PM problems */
+        ATA_HORKAGE_IVB         = (1 << 8),     /* cbl det validity bit bugs */
 
          /* DMA mask for user DMA control: User visible values; DO NOT
             renumber */