Index: b/drivers/ata/pata_oldpiix.c
===================================================================
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -258,7 +258,8 @@ static int oldpiix_init_one (struct pci_
 
 	ata_print_version_once(&pdev->dev, DRV_VERSION);
 
-	return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
+	return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL,
+				      ATA_HOST_PARALLEL_SCAN);
 }
 
 static const struct pci_device_id oldpiix_pci_tbl[] = {