libata-sff: separate out BMDMA init

Separate out ata_pci_bmdma_prepare_host() and ata_pci_bmdma_init_one()
from their SFF counterparts.  SFF ones no longer try to initialize
BMDMA or set PCI master.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index f306e10c748d..794ec6e3275d 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -583,7 +583,10 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                         ppi[0] = &info_20_udma;
         }
 
-        return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
+        if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask)
+                return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
+        else
+                return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0);
 }
 
 #ifdef CONFIG_PM