1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c
index 46d6bc1bf1e9..0c574c065c62 100644
--- a/drivers/ata/pata_rz1000.c
+++ b/drivers/ata/pata_rz1000.c
@@ -88,7 +88,7 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en
         static int printed_version;
         static const struct ata_port_info info = {
                 .flags = ATA_FLAG_SLAVE_POSS,
-                .pio_mask = 0x1f,
+                .pio_mask = ATA_PIO4,
                 .port_ops = &rz1000_port_ops
         };
         const struct ata_port_info *ppi[] = { &info, NULL };