libata: Add a host flag to indicate lack of IORDY capability
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>
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3 changed files with 13 additions and 3 deletions
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@ -172,6 +172,7 @@ enum {
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ATA_FLAG_DEBUGMSG = (1 << 13),
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ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
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ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
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ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */
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/* The following flag belongs to ap->pflags but is kept in
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* ap->flags because it's referenced in many LLDs and will be
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