From 72bb9531162a9f9aa6985c2b7d8d8c0c05ec48ad Mon Sep 17 00:00:00 2001 From: "Russell King (Oracle)" Date: Tue, 25 Jan 2022 16:59:29 +0000 Subject: 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) Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvneta.c | 103 +++++++++++++++++----------------- 1 file changed, 51 insertions(+), 52 deletions(-) (limited to 'drivers/net/ethernet/marvell/mvneta.c') diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 57c708b55685..c4aadb6a5640 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -5365,26 +5365,62 @@ 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; @@ -5421,55 +5457,18 @@ 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 */ @@ -5613,12 +5612,12 @@ 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; -- cgit v1.2.3-59-g8ed1b