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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-03-20 15:00:33 +0100
committerDavid S. Miller <davem@davemloft.net>2014-03-20 17:22:08 -0400
commitbd920ff553ba17f19372501a14e432d9d92b102b (patch)
treedd0bbf7501a92efd1d2a8552202ea466b15be0d8 /drivers/net/ethernet/renesas
parenta5bd60608936fbb84471a80592401ce29a68de71 (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/net/ethernet/renesas')
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c30
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 443f14f0d8a..e9224f285c0 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);