[PATCH] libata: make per-dev transfer mode limits per-dev

Now that each ata_device has xfer masks, per-dev limits can be made
per-dev instead of per-port.  Make per-dev limits per-dev.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 3e75d67..18c296c 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -371,7 +371,7 @@
 	if (quirks & SIL_QUIRK_UDMA5MAX) {
 		printk(KERN_INFO "ata%u(%u): applying Maxtor errata fix %s\n",
 		       ap->id, dev->devno, model_num);
-		ap->udma_mask &= ATA_UDMA5;
+		dev->udma_mask &= ATA_UDMA5;
 		return;
 	}
 }