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libata: Add a host flag to indicate lack of IORDY capability

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This is the first preparation to doing the !IORDY cases properly.  Further
diffs will then add the needed logic to do it right.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Alan Cox
2007-02-07 13:46:00 -08:00
committed by Jeff Garzik
parent 61f216c719
commit f834e49f1a
3 changed files with 13 additions and 3 deletions
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include/linux/libata.h
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@ -172,6 +172,7 @@ enum {
ATA_FLAG_DEBUGMSG = (1 << 13),
ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */
/* The following flag belongs to ap->pflags but is kept in
* ap->flags because it's referenced in many LLDs and will be