[PATCHv2 net-next 04/10] net: lantiq_etop: use devm for mdiobus

From: Rosen Penev
Date: Tue Oct 01 2024 - 14:47:25 EST


Allows removing ltq_etop_mdio_cleanup. Kept the phy_disconnect in the
remove function just in case.

Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
Reviewed-by: Shannon Nelson <shannon.nelson@xxxxxxx>
---
drivers/net/ethernet/lantiq_etop.c | 24 +++++-------------------
1 file changed, 5 insertions(+), 19 deletions(-)

diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 988f204fd89c..d1fcbfd3e255 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -391,7 +391,7 @@ ltq_etop_mdio_init(struct net_device *dev)
struct ltq_etop_priv *priv = netdev_priv(dev);
int err;

- priv->mii_bus = mdiobus_alloc();
+ priv->mii_bus = devm_mdiobus_alloc(&dev->dev);
if (!priv->mii_bus) {
netdev_err(dev, "failed to allocate mii bus\n");
err = -ENOMEM;
@@ -404,35 +404,21 @@ ltq_etop_mdio_init(struct net_device *dev)
priv->mii_bus->name = "ltq_mii";
snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
priv->pdev->name, priv->pdev->id);
- if (mdiobus_register(priv->mii_bus)) {
+ if (devm_mdiobus_register(&dev->dev, priv->mii_bus)) {
err = -ENXIO;
- goto err_out_free_mdiobus;
+ goto err_out;
}

if (ltq_etop_mdio_probe(dev)) {
err = -ENXIO;
- goto err_out_unregister_bus;
+ goto err_out;
}
return 0;

-err_out_unregister_bus:
- mdiobus_unregister(priv->mii_bus);
-err_out_free_mdiobus:
- mdiobus_free(priv->mii_bus);
err_out:
return err;
}

-static void
-ltq_etop_mdio_cleanup(struct net_device *dev)
-{
- struct ltq_etop_priv *priv = netdev_priv(dev);
-
- phy_disconnect(dev->phydev);
- mdiobus_unregister(priv->mii_bus);
- mdiobus_free(priv->mii_bus);
-}
-
static int
ltq_etop_open(struct net_device *dev)
{
@@ -725,7 +711,7 @@ static void ltq_etop_remove(struct platform_device *pdev)
if (dev) {
netif_tx_stop_all_queues(dev);
ltq_etop_hw_exit(dev);
- ltq_etop_mdio_cleanup(dev);
+ phy_disconnect(dev->phydev);
}
}

--
2.46.2