Tejun Heo dedaf2b036 [PATCH] libata-ncq: implement ap->qc_active, ap->sactive and complete helper
Add ap->qc_active and ap->sactive, mask of all active qcs and libata's
view of the SActive register, respectively.  Also, implement
ata_qc_complete_multiple() which takes new qc_active mask and complete
multiple qcs according to the mask.

These will be used to track NCQ commands and complete them.  The
distinction between ap->qc_active and ap->sactive is also useful for
later PM implementation.

Signed-off-by: Tejun Heo <htejun@gmail.com>
2006-05-15 21:03:43 +09:00
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