diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index 73f1e4b..87594c0 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -167,7 +167,7 @@
 
 		.pio_mask	= 0x1f,
 		.mwdma_mask	= 0x07,
-		.udma_mask 	= 0x3f,
+		.udma_mask 	= ATA_UDMA5,
 
 		.port_ops	= &marvell_ops,
 	};
@@ -178,7 +178,7 @@
 
 		.pio_mask	= 0x1f,
 		.mwdma_mask	= 0x07,
-		.udma_mask 	= 0x7f,
+		.udma_mask 	= ATA_UDMA6,
 
 		.port_ops	= &marvell_ops,
 	};