diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-03-20 15:00:33 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-20 17:22:08 -0400 |
| commit | bd920ff553ba17f19372501a14e432d9d92b102b (patch) | |
| tree | dd0bbf7501a92efd1d2a8552202ea466b15be0d8 /drivers | |
| parent | a5bd60608936fbb84471a80592401ce29a68de71 (diff) | |
sh_eth: Simplify MDIO bus initialization and release
The network device passed to the sh_mdio_init and sh_mdio_release
functions is only used to access the sh_eth_private instance. Pass it
directly to those functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 443f14f0d8a0..e9224f285c02 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2583,29 +2583,24 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp) } /* MDIO bus release function */ -static int sh_mdio_release(struct net_device *ndev) +static int sh_mdio_release(struct sh_eth_private *mdp) { - struct mii_bus *bus = dev_get_drvdata(&ndev->dev); - /* unregister mdio bus */ - mdiobus_unregister(bus); - - /* remove mdio bus info from net_device */ - dev_set_drvdata(&ndev->dev, NULL); + mdiobus_unregister(mdp->mii_bus); /* free bitbang info */ - free_mdio_bitbang(bus); + free_mdio_bitbang(mdp->mii_bus); return 0; } /* MDIO bus init function */ -static int sh_mdio_init(struct net_device *ndev, int id, +static int sh_mdio_init(struct sh_eth_private *mdp, struct sh_eth_plat_data *pd) { int ret, i; struct bb_info *bitbang; - struct sh_eth_private *mdp = netdev_priv(ndev); + struct platform_device *pdev = mdp->pdev; struct device *dev = &mdp->pdev->dev; /* create bit control struct for PHY */ @@ -2635,7 +2630,7 @@ static int sh_mdio_init(struct net_device *ndev, int id, mdp->mii_bus->name = "sh_mii"; mdp->mii_bus->parent = dev; snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - mdp->pdev->name, id); + pdev->name, pdev->id); /* PHY IRQ */ mdp->mii_bus->irq = devm_kzalloc(dev, sizeof(int) * PHY_MAX_ADDR, @@ -2645,10 +2640,9 @@ static int sh_mdio_init(struct net_device *ndev, int id, goto out_free_bus; } - /* register mdio bus */ - if (ndev->dev.parent->of_node) { - ret = of_mdiobus_register(mdp->mii_bus, - ndev->dev.parent->of_node); + /* register MDIO bus */ + if (dev->of_node) { + ret = of_mdiobus_register(mdp->mii_bus, dev->of_node); } else { for (i = 0; i < PHY_MAX_ADDR; i++) mdp->mii_bus->irq[i] = PHY_POLL; @@ -2661,8 +2655,6 @@ static int sh_mdio_init(struct net_device *ndev, int id, if (ret) goto out_free_bus; - dev_set_drvdata(&ndev->dev, mdp->mii_bus); - return 0; out_free_bus: @@ -2907,7 +2899,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) goto out_napi_del; /* mdio bus init */ - ret = sh_mdio_init(ndev, pdev->id, pd); + ret = sh_mdio_init(mdp, pd); if (ret) { dev_err(&ndev->dev, "failed to initialise MDIO\n"); goto out_unregister; @@ -2941,7 +2933,7 @@ static int sh_eth_drv_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct sh_eth_private *mdp = netdev_priv(ndev); - sh_mdio_release(ndev); + sh_mdio_release(mdp); unregister_netdev(ndev); netif_napi_del(&mdp->napi); pm_runtime_disable(&pdev->dev); |