From 00e798c7d1ea5c4514401f17db8300db934291cb Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 15 May 2018 16:56:19 -0700 Subject: [PATCH] drivers: net: Remove device_node checks with of_mdiobus_register() A number of drivers have the following pattern: if (np) of_mdiobus_register() else mdiobus_register() which the implementation of of_mdiobus_register() now takes care of. Remove that pattern in drivers that strictly adhere to it. Signed-off-by: Florian Fainelli Reviewed-by: Grygorii Strashko Reviewed-by: Fugang Duan Reviewed-by: Antoine Tenart Reviewed-by: Jose Abreu Signed-off-by: David S. Miller --- drivers/net/dsa/bcm_sf2.c | 8 ++------ drivers/net/dsa/mv88e6xxx/chip.c | 5 +---- drivers/net/ethernet/cadence/macb_main.c | 12 +++--------- drivers/net/ethernet/freescale/fec_main.c | 8 ++------ drivers/net/ethernet/marvell/mvmdio.c | 5 +---- drivers/net/ethernet/renesas/sh_eth.c | 11 +++-------- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 5 +---- drivers/net/ethernet/ti/davinci_mdio.c | 8 +++----- drivers/net/phy/mdio-gpio.c | 6 +----- drivers/net/phy/mdio-mscc-miim.c | 6 +----- drivers/net/usb/lan78xx.c | 7 ++----- 11 files changed, 20 insertions(+), 61 deletions(-) diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index ac621f44237a..02e8982519ce 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -450,12 +450,8 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) priv->slave_mii_bus->parent = ds->dev->parent; priv->slave_mii_bus->phy_mask = ~priv->indir_phy_mask; - if (dn) - err = of_mdiobus_register(priv->slave_mii_bus, dn); - else - err = mdiobus_register(priv->slave_mii_bus); - - if (err) + err = of_mdiobus_register(priv->slave_mii_bus, dn); + if (err && dn) of_node_put(dn); return err; diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index b23c11d9f4b2..2bb3f03ee1cb 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2454,10 +2454,7 @@ static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip, return err; } - if (np) - err = of_mdiobus_register(bus, np); - else - err = mdiobus_register(bus); + err = of_mdiobus_register(bus, np); if (err) { dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err); mv88e6xxx_g2_irq_mdio_free(chip, bus); diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index b4c9268100bb..3e93df5d4e3b 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -591,16 +591,10 @@ static int macb_mii_init(struct macb *bp) dev_set_drvdata(&bp->dev->dev, bp->mii_bus); np = bp->pdev->dev.of_node; + if (pdata) + bp->mii_bus->phy_mask = pdata->phy_mask; - if (np) { - err = of_mdiobus_register(bp->mii_bus, np); - } else { - if (pdata) - bp->mii_bus->phy_mask = pdata->phy_mask; - - err = mdiobus_register(bp->mii_bus); - } - + err = of_mdiobus_register(bp->mii_bus, np); if (err) goto err_out_free_mdiobus; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d4604bc8eb5b..f3e43db0d6cb 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2052,13 +2052,9 @@ static int fec_enet_mii_init(struct platform_device *pdev) fep->mii_bus->parent = &pdev->dev; node = of_get_child_by_name(pdev->dev.of_node, "mdio"); - if (node) { - err = of_mdiobus_register(fep->mii_bus, node); + err = of_mdiobus_register(fep->mii_bus, node); + if (node) of_node_put(node); - } else { - err = mdiobus_register(fep->mii_bus); - } - if (err) goto err_out_free_mdiobus; diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index 0495487f7b42..c5dac6bd2be4 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -348,10 +348,7 @@ static int orion_mdio_probe(struct platform_device *pdev) goto out_mdio; } - if (pdev->dev.of_node) - ret = of_mdiobus_register(bus, pdev->dev.of_node); - else - ret = mdiobus_register(bus); + ret = of_mdiobus_register(bus, pdev->dev.of_node); if (ret < 0) { dev_err(&pdev->dev, "Cannot register MDIO bus (%d)\n", ret); goto out_mdio; diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 5970d9e5ddf1..8dd41e08a6c6 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -3025,15 +3025,10 @@ static int sh_mdio_init(struct sh_eth_private *mdp, pdev->name, pdev->id); /* register MDIO bus */ - if (dev->of_node) { - ret = of_mdiobus_register(mdp->mii_bus, dev->of_node); - } else { - if (pd->phy_irq > 0) - mdp->mii_bus->irq[pd->phy] = pd->phy_irq; - - ret = mdiobus_register(mdp->mii_bus); - } + if (pd->phy_irq > 0) + mdp->mii_bus->irq[pd->phy] = pd->phy_irq; + ret = of_mdiobus_register(mdp->mii_bus, dev->of_node); if (ret) goto out_free_bus; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index f5f37bfa1d58..5df1a608e566 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -233,10 +233,7 @@ int stmmac_mdio_register(struct net_device *ndev) new_bus->phy_mask = mdio_bus_data->phy_mask; new_bus->parent = priv->device; - if (mdio_node) - err = of_mdiobus_register(new_bus, mdio_node); - else - err = mdiobus_register(new_bus); + err = of_mdiobus_register(new_bus, mdio_node); if (err != 0) { dev_err(dev, "Cannot register the MDIO bus\n"); goto bus_register_fail; diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index 98a1c97fb95e..8ac72831af05 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -429,12 +429,10 @@ static int davinci_mdio_probe(struct platform_device *pdev) * defined to support backward compatibility with DTs which assume that * Davinci MDIO will always scan the bus for PHYs detection. */ - if (dev->of_node && of_get_child_count(dev->of_node)) { + if (dev->of_node && of_get_child_count(dev->of_node)) data->skip_scan = true; - ret = of_mdiobus_register(data->bus, dev->of_node); - } else { - ret = mdiobus_register(data->bus); - } + + ret = of_mdiobus_register(data->bus, dev->of_node); if (ret) goto bail_out; diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index b501221819e1..4e4c8daf44c3 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -179,11 +179,7 @@ static int mdio_gpio_probe(struct platform_device *pdev) if (!new_bus) return -ENODEV; - if (pdev->dev.of_node) - ret = of_mdiobus_register(new_bus, pdev->dev.of_node); - else - ret = mdiobus_register(new_bus); - + ret = of_mdiobus_register(new_bus, pdev->dev.of_node); if (ret) mdio_gpio_bus_deinit(&pdev->dev); diff --git a/drivers/net/phy/mdio-mscc-miim.c b/drivers/net/phy/mdio-mscc-miim.c index 8c689ccfdbca..badbc99bedd3 100644 --- a/drivers/net/phy/mdio-mscc-miim.c +++ b/drivers/net/phy/mdio-mscc-miim.c @@ -151,11 +151,7 @@ static int mscc_miim_probe(struct platform_device *pdev) } } - if (pdev->dev.of_node) - ret = of_mdiobus_register(bus, pdev->dev.of_node); - else - ret = mdiobus_register(bus); - + ret = of_mdiobus_register(bus, pdev->dev.of_node); if (ret < 0) { dev_err(&pdev->dev, "Cannot register MDIO bus (%d)\n", ret); return ret; diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 91761436709a..8dff87ec6d99 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1843,12 +1843,9 @@ static int lan78xx_mdio_init(struct lan78xx_net *dev) } node = of_get_child_by_name(dev->udev->dev.of_node, "mdio"); - if (node) { - ret = of_mdiobus_register(dev->mdiobus, node); + ret = of_mdiobus_register(dev->mdiobus, node); + if (node) of_node_put(node); - } else { - ret = mdiobus_register(dev->mdiobus); - } if (ret) { netdev_err(dev->net, "can't register MDIO bus\n"); goto exit1; -- 2.34.1