diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index c8acba162d02f9..154748cfcc79fd 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -66,7 +66,7 @@ static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offse
 
 	if (peer) {
 		/* This may be over conservative */
-		if (peer->dma_mode) {
+		if (ata_dma_enabled(peer)) {
 			ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT);
 			ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
 		}