diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 77b5732..9587a89 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -301,35 +301,33 @@
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.data_xfer		= ata_data_xfer,
-	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_ack		= ata_irq_ack,
 	.port_start		= ata_port_start,
 };
 
-static struct ata_probe_ent mpc52xx_ata_probe_ent = {
-	.port_ops	= &mpc52xx_ata_port_ops,
-	.sht		= &mpc52xx_ata_sht,
-	.n_ports	= 1,
-	.pio_mask	= 0x1f,		/* Up to PIO4 */
-	.mwdma_mask	= 0x00,		/* No MWDMA   */
-	.udma_mask	= 0x00,		/* No UDMA    */
-	.port_flags	= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
-	.irq_flags	= 0,
-};
-
 static int __devinit
 mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv)
 {
-	struct ata_probe_ent *ae = &mpc52xx_ata_probe_ent;
-	struct ata_ioports *aio = &ae->port[0];
-	int rv;
+	struct ata_host *host;
+	struct ata_port *ap;
+	struct ata_ioports *aio;
+	int rc;
 
-	INIT_LIST_HEAD(&ae->node);
-	ae->dev = dev;
-	ae->irq = priv->ata_irq;
+	host = ata_host_alloc(dev, 1);
+	if (!host)
+		return -ENOMEM;
 
+	ap = host->ports[0];
+	ap->flags		|= ATA_FLAG_SLAVE_POSS;
+	ap->pio_mask		= 0x1f;	/* Up to PIO4 */
+	ap->mwdma_mask		= 0x00;	/* No MWDMA   */
+	ap->udma_mask		= 0x00;	/* No UDMA    */
+	ap->ops			= &mpc52xx_ata_port_ops;
+	host->private_data	= priv;
+
+	aio = &ap->ioaddr;
 	aio->cmd_addr		= NULL;	/* Don't have a classic reg block */
 	aio->altstatus_addr	= &priv->ata_regs->tf_control;
 	aio->ctl_addr		= &priv->ata_regs->tf_control;
@@ -344,11 +342,9 @@
 	aio->status_addr	= &priv->ata_regs->tf_command;
 	aio->command_addr	= &priv->ata_regs->tf_command;
 
-	ae->private_data = priv;
-
-	rv = ata_device_add(ae);
-
-	return rv ? 0 : -EINVAL;
+	/* activate host */
+	return ata_host_activate(host, priv->ata_irq, ata_interrupt, 0,
+				 &mpc52xx_ata_sht);
 }
 
 static struct mpc52xx_ata_priv *