libata: Add 32bit PIO support

This matters for some controllers and in one or two cases almost doubles
PIO performance. Add a bmdma32 operations set we can inherit and activate
it for some controllers

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 78659546130..887d8f46a28 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -310,7 +310,7 @@ static struct scsi_host_template piix_sht = {
 };
 
 static struct ata_port_operations piix_pata_ops = {
-        .inherits               = &ata_bmdma_port_ops,
+        .inherits               = &ata_bmdma32_port_ops,
         .cable_detect           = ata_cable_40wire,
         .set_piomode            = piix_set_piomode,
         .set_dmamode            = piix_set_dmamode,