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Subject[PATCH net-next 2/2] drivers: net: Remove device_node checks with of_mdiobus_register()
Date
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 <f.fainelli@gmail.com>
---
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 | 6 ++----
drivers/net/phy/mdio-gpio.c | 6 +-----
drivers/net/phy/mdio-mscc-miim.c | 6 +-----
drivers/net/usb/lan78xx.c | 7 ++-----
11 files changed, 19 insertions(+), 60 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..e720244e7f71 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -431,10 +431,8 @@ static int davinci_mdio_probe(struct platform_device *pdev)
*/
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;
--
2.14.1
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