diff options
author | Romain Perier <romain.perier@gmail.com> | 2014-08-26 15:14:49 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-08-28 01:40:25 +0200 |
commit | f15f44e0839793ea03ffef5bae532cd63d92948c (patch) | |
tree | b16949d8e4e8e6a44cf5295053c9ff070a565678 /drivers/net/ethernet/arc | |
parent | tcp: syncookies: mark cookie_secret read_mostly (diff) | |
download | linux-f15f44e0839793ea03ffef5bae532cd63d92948c.tar.xz linux-f15f44e0839793ea03ffef5bae532cd63d92948c.zip |
ethernet: arc: remove use of 'struct platform_device'
This is a preparation of an api changes for the emac_main.c module.
The involved functions are arc_emac_probe and arc_emac_remove.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/arc')
-rw-r--r-- | drivers/net/ethernet/arc/emac_main.c | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index fe5cfeace6e3..761b936e0f0a 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -673,6 +673,7 @@ static const struct net_device_ops arc_emac_netdev_ops = { static int arc_emac_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct resource res_regs; struct device_node *phy_node; struct arc_emac_priv *priv; @@ -681,27 +682,27 @@ static int arc_emac_probe(struct platform_device *pdev) unsigned int id, clock_frequency, irq; int err; - if (!pdev->dev.of_node) + if (!dev->of_node) return -ENODEV; /* Get PHY from device tree */ - phy_node = of_parse_phandle(pdev->dev.of_node, "phy", 0); + phy_node = of_parse_phandle(dev->of_node, "phy", 0); if (!phy_node) { - dev_err(&pdev->dev, "failed to retrieve phy description from device tree\n"); + dev_err(dev, "failed to retrieve phy description from device tree\n"); return -ENODEV; } /* Get EMAC registers base address from device tree */ - err = of_address_to_resource(pdev->dev.of_node, 0, &res_regs); + err = of_address_to_resource(dev->of_node, 0, &res_regs); if (err) { - dev_err(&pdev->dev, "failed to retrieve registers base from device tree\n"); + dev_err(dev, "failed to retrieve registers base from device tree\n"); return -ENODEV; } /* Get IRQ from device tree */ - irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) { - dev_err(&pdev->dev, "failed to retrieve <irq> value from device tree\n"); + dev_err(dev, "failed to retrieve <irq> value from device tree\n"); return -ENODEV; } @@ -709,8 +710,8 @@ static int arc_emac_probe(struct platform_device *pdev) if (!ndev) return -ENOMEM; - platform_set_drvdata(pdev, ndev); - SET_NETDEV_DEV(ndev, &pdev->dev); + dev_set_drvdata(dev, ndev); + SET_NETDEV_DEV(ndev, dev); ndev->netdev_ops = &arc_emac_netdev_ops; ndev->ethtool_ops = &arc_emac_ethtool_ops; @@ -719,28 +720,28 @@ static int arc_emac_probe(struct platform_device *pdev) ndev->flags &= ~IFF_MULTICAST; priv = netdev_priv(ndev); - priv->dev = &pdev->dev; + priv->dev = dev; - priv->regs = devm_ioremap_resource(&pdev->dev, &res_regs); + priv->regs = devm_ioremap_resource(dev, &res_regs); if (IS_ERR(priv->regs)) { err = PTR_ERR(priv->regs); goto out_netdev; } - dev_dbg(&pdev->dev, "Registers base address is 0x%p\n", priv->regs); + dev_dbg(dev, "Registers base address is 0x%p\n", priv->regs); - priv->clk = of_clk_get(pdev->dev.of_node, 0); + priv->clk = of_clk_get(dev->of_node, 0); if (IS_ERR(priv->clk)) { /* Get CPU clock frequency from device tree */ - if (of_property_read_u32(pdev->dev.of_node, "clock-frequency", + if (of_property_read_u32(dev->of_node, "clock-frequency", &clock_frequency)) { - dev_err(&pdev->dev, "failed to retrieve <clock-frequency> from device tree\n"); + dev_err(dev, "failed to retrieve <clock-frequency> from device tree\n"); err = -EINVAL; goto out_netdev; } } else { err = clk_prepare_enable(priv->clk); if (err) { - dev_err(&pdev->dev, "failed to enable clock\n"); + dev_err(dev, "failed to enable clock\n"); goto out_clkget; } @@ -751,28 +752,28 @@ static int arc_emac_probe(struct platform_device *pdev) /* Check for EMAC revision 5 or 7, magic number */ if (!(id == 0x0005fd02 || id == 0x0007fd02)) { - dev_err(&pdev->dev, "ARC EMAC not detected, id=0x%x\n", id); + dev_err(dev, "ARC EMAC not detected, id=0x%x\n", id); err = -ENODEV; goto out_clken; } - dev_info(&pdev->dev, "ARC EMAC detected with id: 0x%x\n", id); + dev_info(dev, "ARC EMAC detected with id: 0x%x\n", id); /* Set poll rate so that it polls every 1 ms */ arc_reg_set(priv, R_POLLRATE, clock_frequency / 1000000); ndev->irq = irq; - dev_info(&pdev->dev, "IRQ is %d\n", ndev->irq); + dev_info(dev, "IRQ is %d\n", ndev->irq); /* Register interrupt handler for device */ - err = devm_request_irq(&pdev->dev, ndev->irq, arc_emac_intr, 0, + err = devm_request_irq(dev, ndev->irq, arc_emac_intr, 0, ndev->name, ndev); if (err) { - dev_err(&pdev->dev, "could not allocate IRQ\n"); + dev_err(dev, "could not allocate IRQ\n"); goto out_clken; } /* Get MAC address from device tree */ - mac_addr = of_get_mac_address(pdev->dev.of_node); + mac_addr = of_get_mac_address(dev->of_node); if (mac_addr) memcpy(ndev->dev_addr, mac_addr, ETH_ALEN); @@ -780,14 +781,14 @@ static int arc_emac_probe(struct platform_device *pdev) eth_hw_addr_random(ndev); arc_emac_set_address_internal(ndev); - dev_info(&pdev->dev, "MAC address is now %pM\n", ndev->dev_addr); + dev_info(dev, "MAC address is now %pM\n", ndev->dev_addr); /* Do 1 allocation instead of 2 separate ones for Rx and Tx BD rings */ - priv->rxbd = dmam_alloc_coherent(&pdev->dev, RX_RING_SZ + TX_RING_SZ, + priv->rxbd = dmam_alloc_coherent(dev, RX_RING_SZ + TX_RING_SZ, &priv->rxbd_dma, GFP_KERNEL); if (!priv->rxbd) { - dev_err(&pdev->dev, "failed to allocate data buffers\n"); + dev_err(dev, "failed to allocate data buffers\n"); err = -ENOMEM; goto out_clken; } @@ -795,31 +796,31 @@ static int arc_emac_probe(struct platform_device *pdev) priv->txbd = priv->rxbd + RX_BD_NUM; priv->txbd_dma = priv->rxbd_dma + RX_RING_SZ; - dev_dbg(&pdev->dev, "EMAC Device addr: Rx Ring [0x%x], Tx Ring[%x]\n", + dev_dbg(dev, "EMAC Device addr: Rx Ring [0x%x], Tx Ring[%x]\n", (unsigned int)priv->rxbd_dma, (unsigned int)priv->txbd_dma); err = arc_mdio_probe(pdev, priv); if (err) { - dev_err(&pdev->dev, "failed to probe MII bus\n"); + dev_err(dev, "failed to probe MII bus\n"); goto out_clken; } priv->phy_dev = of_phy_connect(ndev, phy_node, arc_emac_adjust_link, 0, PHY_INTERFACE_MODE_MII); if (!priv->phy_dev) { - dev_err(&pdev->dev, "of_phy_connect() failed\n"); + dev_err(dev, "of_phy_connect() failed\n"); err = -ENODEV; goto out_mdio; } - dev_info(&pdev->dev, "connected to %s phy with id 0x%x\n", + dev_info(dev, "connected to %s phy with id 0x%x\n", priv->phy_dev->drv->name, priv->phy_dev->phy_id); netif_napi_add(ndev, &priv->napi, arc_emac_poll, ARC_EMAC_NAPI_WEIGHT); err = register_netdev(ndev); if (err) { - dev_err(&pdev->dev, "failed to register network device\n"); + dev_err(dev, "failed to register network device\n"); goto out_netif_api; } @@ -844,7 +845,8 @@ out_netdev: static int arc_emac_remove(struct platform_device *pdev) { - struct net_device *ndev = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + struct net_device *ndev = dev_get_drvdata(dev); struct arc_emac_priv *priv = netdev_priv(ndev); phy_disconnect(priv->phy_dev); |