net: mvneta: reorder initialisation

Re-order the mvneta initialisation to move devm based resources and
easy setup earlier in the probe function. The primary reason for this
is to allow us to switch the driver to use phylink's mac_select_pcs()
callback.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

1 files changed, 51 insertions, 52 deletions

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index f0e1b33a07ec..023329a79984 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -5187,26 +5187,62 @@ static int mvneta_probe(struct platform_device *pdev)
 	if (!dev)
 		return -ENOMEM;
 
-	dev->irq = irq_of_parse_and_map(dn, 0);
-	if (dev->irq == 0)
-		return -EINVAL;
+	dev->tx_queue_len = MVNETA_MAX_TXD;
+	dev->watchdog_timeo = 5 * HZ;
+	dev->netdev_ops = &mvneta_netdev_ops;
+	dev->ethtool_ops = &mvneta_eth_tool_ops;
+
+	pp = netdev_priv(dev);
+	spin_lock_init(&pp->lock);
+	pp->dn = dn;
+
+	pp->rxq_def = rxq_def;
+	pp->indir[0] = rxq_def;
 
 	err = of_get_phy_mode(dn, &phy_mode);
 	if (err) {
 		dev_err(&pdev->dev, "incorrect phy-mode\n");
-		goto err_free_irq;
+		return err;
 	}
 
+	pp->phy_interface = phy_mode;
+
 	comphy = devm_of_phy_get(&pdev->dev, dn, NULL);
-	if (comphy == ERR_PTR(-EPROBE_DEFER)) {
-		err = -EPROBE_DEFER;
-		goto err_free_irq;
-	} else if (IS_ERR(comphy)) {
+	if (comphy == ERR_PTR(-EPROBE_DEFER))
+		return -EPROBE_DEFER;
+
+	if (IS_ERR(comphy))
 		comphy = NULL;
+
+	pp->comphy = comphy;
+
+	pp->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(pp->base))
+		return PTR_ERR(pp->base);
+
+	/* Get special SoC configurations */
+	if (of_device_is_compatible(dn, "marvell,armada-3700-neta"))
+		pp->neta_armada3700 = true;
+
+	dev->irq = irq_of_parse_and_map(dn, 0);
+	if (dev->irq == 0)
+		return -EINVAL;
+
+	pp->clk = devm_clk_get(&pdev->dev, "core");
+	if (IS_ERR(pp->clk))
+		pp->clk = devm_clk_get(&pdev->dev, NULL);
+	if (IS_ERR(pp->clk)) {
+		err = PTR_ERR(pp->clk);
+		goto err_free_irq;
 	}
 
-	pp = netdev_priv(dev);
-	spin_lock_init(&pp->lock);
+	clk_prepare_enable(pp->clk);
+
+	pp->clk_bus = devm_clk_get(&pdev->dev, "bus");
+	if (!IS_ERR(pp->clk_bus))
+		clk_prepare_enable(pp->clk_bus);
+
+	pp->phylink_pcs.ops = &mvneta_phylink_pcs_ops;
 
 	pp->phylink_config.dev = &dev->dev;
 	pp->phylink_config.type = PHYLINK_NETDEV;
@@ -5243,55 +5279,18 @@ static int mvneta_probe(struct platform_device *pdev)
 				 phy_mode, &mvneta_phylink_ops);
 	if (IS_ERR(phylink)) {
 		err = PTR_ERR(phylink);
-		goto err_free_irq;
+		goto err_clk;
 	}
 
-	dev->tx_queue_len = MVNETA_MAX_TXD;
-	dev->watchdog_timeo = 5 * HZ;
-	dev->netdev_ops = &mvneta_netdev_ops;
-
-	dev->ethtool_ops = &mvneta_eth_tool_ops;
-
 	pp->phylink = phylink;
-	pp->comphy = comphy;
-	pp->phy_interface = phy_mode;
-	pp->dn = dn;
-
-	pp->rxq_def = rxq_def;
-	pp->indir[0] = rxq_def;
-
-	/* Get special SoC configurations */
-	if (of_device_is_compatible(dn, "marvell,armada-3700-neta"))
-		pp->neta_armada3700 = true;
-
-	pp->clk = devm_clk_get(&pdev->dev, "core");
-	if (IS_ERR(pp->clk))
-		pp->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(pp->clk)) {
-		err = PTR_ERR(pp->clk);
-		goto err_free_phylink;
-	}
-
-	clk_prepare_enable(pp->clk);
 
-	pp->clk_bus = devm_clk_get(&pdev->dev, "bus");
-	if (!IS_ERR(pp->clk_bus))
-		clk_prepare_enable(pp->clk_bus);
-
-	pp->base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(pp->base)) {
-		err = PTR_ERR(pp->base);
-		goto err_clk;
-	}
-
-	pp->phylink_pcs.ops = &mvneta_phylink_pcs_ops;
 	phylink_set_pcs(phylink, &pp->phylink_pcs);
 
 	/* Alloc per-cpu port structure */
 	pp->ports = alloc_percpu(struct mvneta_pcpu_port);
 	if (!pp->ports) {
 		err = -ENOMEM;
-		goto err_clk;
+		goto err_free_phylink;
 	}
 
 	/* Alloc per-cpu stats */
@@ -5435,12 +5434,12 @@ err_netdev:
 	free_percpu(pp->stats);
 err_free_ports:
 	free_percpu(pp->ports);
-err_clk:
-	clk_disable_unprepare(pp->clk_bus);
-	clk_disable_unprepare(pp->clk);
 err_free_phylink:
 	if (pp->phylink)
 		phylink_destroy(pp->phylink);
+err_clk:
+	clk_disable_unprepare(pp->clk_bus);
+	clk_disable_unprepare(pp->clk);
 err_free_irq:
 	irq_dispose_mapping(dev->irq);
 	return err;