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-rw-r--r--drivers/ata/ahci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index db4380d7003..9d715ae5ff6 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1295,6 +1295,14 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
pi.flags |= ATA_FLAG_FPDMA_AA;
+
+ /*
+ * All AHCI controllers should be forward-compatible
+ * with the new auxiliary field. This code should be
+ * conditionalized if any buggy AHCI controllers are
+ * encountered.
+ */
+ pi.flags |= ATA_FLAG_FPDMA_AUX;
}
if (hpriv->cap & HOST_CAP_PMP)