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[libata] add DMA setup FIS auto-activate feature

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Hopefully results in fewer on-the-wire FIS's and no breakage.  We'll see!

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Shaohua Li
2009-07-27 09:24:35 +08:00
committed by Jeff Garzik
parent 2fc37adba0
commit 388539f3ff
4 changed files with 36 additions and 8 deletions
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drivers/ata/ahci.c
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@ -2869,7 +2869,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* prepare host */
if (hpriv->cap & HOST_CAP_NCQ)
pi.flags |= ATA_FLAG_NCQ;
pi.flags |= ATA_FLAG_NCQ | ATA_FLAG_FPDMA_AA;
if (hpriv->cap & HOST_CAP_PMP)
pi.flags |= ATA_FLAG_PMP;