diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 3fdc6ec6ebf0..c24bef2f7349 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -152,9 +152,9 @@ int stmmac_mdio_reset(struct mii_bus *bus) #ifdef CONFIG_OF if (priv->device->of_node) { - if (data->reset_gpio < 0) { struct device_node *np = priv->device->of_node; + if (!np) return 0; @@ -221,7 +221,7 @@ int stmmac_mdio_register(struct net_device *ndev) return 0; new_bus = mdiobus_alloc(); - if (new_bus == NULL) + if (!new_bus) return -ENOMEM; if (mdio_bus_data->irqs) @@ -258,6 +258,7 @@ int stmmac_mdio_register(struct net_device *ndev) found = 0; for (addr = 0; addr < PHY_MAX_ADDR; addr++) { struct phy_device *phydev = mdiobus_get_phy(new_bus, addr); + if (phydev) { int act = 0; char irq_num[4]; @@ -267,7 +268,7 @@ int stmmac_mdio_register(struct net_device *ndev) * If an IRQ was provided to be assigned after * the bus probe, do it here. */ - if ((mdio_bus_data->irqs == NULL) && + if ((!mdio_bus_data->irqs) && (mdio_bus_data->probed_phy_irq > 0)) { new_bus->irq[addr] = mdio_bus_data->probed_phy_irq; |