diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index cf9e984..e7347db 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -297,7 +297,7 @@
 
 	if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
 		state->dma = ec->dma;
-		info->mwdma_mask = 0x07;	/* MW0..2 */
+		info->mwdma_mask = ATA_MWDMA2;
 	}
 
 	return 0;
@@ -473,7 +473,7 @@
 	for (i = 0; i < info->nr_ports; i++) {
 		struct ata_port *ap = host->ports[i];
 
-		ap->pio_mask = 0x1f;
+		ap->pio_mask = ATA_PIO4;
 		ap->mwdma_mask = info->mwdma_mask;
 		ap->flags |= ATA_FLAG_SLAVE_POSS;
 		ap->ops = &pata_icside_port_ops;