diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 8f13c9f27c8cd084ef015e1c930bdcf41379cb15..d4caa23f5a88dd6c828afa84e9dca809b423874f 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -160,7 +160,7 @@ static int pata_imx_probe(struct platform_device *pdev)
 	ap = host->ports[0];
 
 	ap->ops = &pata_imx_port_ops;
-	ap->pio_mask = ATA_PIO0;
+	ap->pio_mask = ATA_PIO4;
 	ap->flags |= ATA_FLAG_SLAVE_POSS;
 
 	io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);