diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 20a7517bd339..9c1a11de3044 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4104,7 +4104,6 @@ static int mv_platform_probe(struct platform_device *pdev)
 	if (!hpriv->port_phys)
 		return -ENOMEM;
 	host->private_data = hpriv;
-	hpriv->n_ports = n_ports;
 	hpriv->board_idx = chip_soc;
 
 	host->iomap = NULL;
@@ -4132,11 +4131,17 @@ static int mv_platform_probe(struct platform_device *pdev)
 			hpriv->port_phys[port] = NULL;
 			if ((rc != -EPROBE_DEFER) && (rc != -ENODEV))
 				dev_warn(&pdev->dev, "error getting phy");
+
+			/* Cleanup only the initialized ports */
+			hpriv->n_ports = port;
 			goto err;
 		} else
 			phy_power_on(hpriv->port_phys[port]);
 	}
 
+	/* All the ports have been initialized */
+	hpriv->n_ports = n_ports;
+
 	/*
 	 * (Re-)program MBUS remapping windows if we are asked to.
 	 */
@@ -4174,7 +4179,7 @@ err:
 		clk_disable_unprepare(hpriv->clk);
 		clk_put(hpriv->clk);
 	}
-	for (port = 0; port < n_ports; port++) {
+	for (port = 0; port < hpriv->n_ports; port++) {
 		if (!IS_ERR(hpriv->port_clks[port])) {
 			clk_disable_unprepare(hpriv->port_clks[port]);
 			clk_put(hpriv->port_clks[port]);