1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index 1186bcd2781c..db6a96984f3f 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -158,7 +158,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
         static const unsigned int ctl_port[] = { 0x3F6, 0x376 };
         struct ata_port_info pi = {
                 .flags          = ATA_FLAG_SLAVE_POSS,
-                .pio_mask       = 0x1f,
+                .pio_mask       = ATA_PIO4,
                 .port_ops       = &cs5520_port_ops,
         };
         const struct ata_port_info *ppi[2];