diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/net/ethernet/arc/emac_main.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/net/ethernet/arc/emac_main.c')
-rw-r--r-- | drivers/net/ethernet/arc/emac_main.c | 86 |
1 files changed, 27 insertions, 59 deletions
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index a3a9392a4..b0da9693f 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -47,7 +47,7 @@ static inline int arc_emac_tx_avail(struct arc_emac_priv *priv) static void arc_emac_adjust_link(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); - struct phy_device *phy_dev = priv->phy_dev; + struct phy_device *phy_dev = ndev->phydev; unsigned int reg, state_changed = 0; if (priv->link != phy_dev->link) { @@ -80,46 +80,6 @@ static void arc_emac_adjust_link(struct net_device *ndev) } /** - * arc_emac_get_settings - Get PHY settings. - * @ndev: Pointer to net_device structure. - * @cmd: Pointer to ethtool_cmd structure. - * - * This implements ethtool command for getting PHY settings. If PHY could - * not be found, the function returns -ENODEV. This function calls the - * relevant PHY ethtool API to get the PHY settings. - * Issue "ethtool ethX" under linux prompt to execute this function. - */ -static int arc_emac_get_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) -{ - struct arc_emac_priv *priv = netdev_priv(ndev); - - return phy_ethtool_gset(priv->phy_dev, cmd); -} - -/** - * arc_emac_set_settings - Set PHY settings as passed in the argument. - * @ndev: Pointer to net_device structure. - * @cmd: Pointer to ethtool_cmd structure. - * - * This implements ethtool command for setting various PHY settings. If PHY - * could not be found, the function returns -ENODEV. This function calls the - * relevant PHY ethtool API to set the PHY. - * Issue e.g. "ethtool -s ethX speed 1000" under linux prompt to execute this - * function. - */ -static int arc_emac_set_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) -{ - struct arc_emac_priv *priv = netdev_priv(ndev); - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - return phy_ethtool_sset(priv->phy_dev, cmd); -} - -/** * arc_emac_get_drvinfo - Get EMAC driver information. * @ndev: Pointer to net_device structure. * @info: Pointer to ethtool_drvinfo structure. @@ -137,10 +97,10 @@ static void arc_emac_get_drvinfo(struct net_device *ndev, } static const struct ethtool_ops arc_emac_ethtool_ops = { - .get_settings = arc_emac_get_settings, - .set_settings = arc_emac_set_settings, .get_drvinfo = arc_emac_get_drvinfo, .get_link = ethtool_op_get_link, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, }; #define FIRST_OR_LAST_MASK (FIRST_MASK | LAST_MASK) @@ -403,7 +363,7 @@ static void arc_emac_poll_controller(struct net_device *dev) static int arc_emac_open(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); - struct phy_device *phy_dev = priv->phy_dev; + struct phy_device *phy_dev = ndev->phydev; int i; phy_dev->autoneg = AUTONEG_ENABLE; @@ -474,7 +434,7 @@ static int arc_emac_open(struct net_device *ndev) /* Enable EMAC */ arc_reg_or(priv, R_CTRL, EN_MASK); - phy_start_aneg(priv->phy_dev); + phy_start_aneg(ndev->phydev); netif_start_queue(ndev); @@ -772,6 +732,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) struct device *dev = ndev->dev.parent; struct resource res_regs; struct device_node *phy_node; + struct phy_device *phydev = NULL; struct arc_emac_priv *priv; const char *mac_addr; unsigned int id, clock_frequency, irq; @@ -788,14 +749,16 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = of_address_to_resource(dev->of_node, 0, &res_regs); if (err) { dev_err(dev, "failed to retrieve registers base from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } /* Get IRQ from device tree */ irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) { dev_err(dev, "failed to retrieve <irq> value from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } ndev->netdev_ops = &arc_emac_netdev_ops; @@ -808,8 +771,10 @@ int arc_emac_probe(struct net_device *ndev, int interface) priv->dev = dev; priv->regs = devm_ioremap_resource(dev, &res_regs); - if (IS_ERR(priv->regs)) - return PTR_ERR(priv->regs); + if (IS_ERR(priv->regs)) { + err = PTR_ERR(priv->regs); + goto out_put_node; + } dev_dbg(dev, "Registers base address is 0x%p\n", priv->regs); @@ -817,7 +782,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = clk_prepare_enable(priv->clk); if (err) { dev_err(dev, "failed to enable clock\n"); - return err; + goto out_put_node; } clock_frequency = clk_get_rate(priv->clk); @@ -826,7 +791,8 @@ int arc_emac_probe(struct net_device *ndev, int interface) if (of_property_read_u32(dev->of_node, "clock-frequency", &clock_frequency)) { dev_err(dev, "failed to retrieve <clock-frequency> from device tree\n"); - return -EINVAL; + err = -EINVAL; + goto out_put_node; } } @@ -887,16 +853,16 @@ int arc_emac_probe(struct net_device *ndev, int interface) goto out_clken; } - priv->phy_dev = of_phy_connect(ndev, phy_node, arc_emac_adjust_link, 0, - interface); - if (!priv->phy_dev) { + phydev = of_phy_connect(ndev, phy_node, arc_emac_adjust_link, 0, + interface); + if (!phydev) { dev_err(dev, "of_phy_connect() failed\n"); err = -ENODEV; goto out_mdio; } dev_info(dev, "connected to %s phy with id 0x%x\n", - priv->phy_dev->drv->name, priv->phy_dev->phy_id); + phydev->drv->name, phydev->phy_id); netif_napi_add(ndev, &priv->napi, arc_emac_poll, ARC_EMAC_NAPI_WEIGHT); @@ -906,17 +872,20 @@ int arc_emac_probe(struct net_device *ndev, int interface) goto out_netif_api; } + of_node_put(phy_node); return 0; out_netif_api: netif_napi_del(&priv->napi); - phy_disconnect(priv->phy_dev); - priv->phy_dev = NULL; + phy_disconnect(phydev); out_mdio: arc_mdio_remove(priv); out_clken: if (priv->clk) clk_disable_unprepare(priv->clk); +out_put_node: + of_node_put(phy_node); + return err; } EXPORT_SYMBOL_GPL(arc_emac_probe); @@ -925,8 +894,7 @@ int arc_emac_remove(struct net_device *ndev) { struct arc_emac_priv *priv = netdev_priv(ndev); - phy_disconnect(priv->phy_dev); - priv->phy_dev = NULL; + phy_disconnect(ndev->phydev); arc_mdio_remove(priv); unregister_netdev(ndev); netif_napi_del(&priv->napi); |