Hello!
On 05/16/2018 02:56 AM, Florian Fainelli wrote:
> A number of drivers have the following pattern:
>
> if (np)
> of_mdiobus_register()
> else
> mdiobus_register()
>
> which the implementation of of_mdiobus_register() now takes care of.
> Remove that pattern in drivers that strictly adhere to it.
>
> Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
[...]
> diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
> index ac621f44237a..02e8982519ce 100644
> --- a/drivers/net/dsa/bcm_sf2.c
> +++ b/drivers/net/dsa/bcm_sf2.c
> @@ -450,12 +450,8 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
> priv->slave_mii_bus->parent = ds->dev->parent;
> priv->slave_mii_bus->phy_mask = ~priv->indir_phy_mask;
>
> - if (dn)
> - err = of_mdiobus_register(priv->slave_mii_bus, dn);
> - else
> - err = mdiobus_register(priv->slave_mii_bus);
> -
> - if (err)
> + err = of_mdiobus_register(priv->slave_mii_bus, dn);
> + if (err && dn)
of_node_put() checks for NULL.
> of_node_put(dn);
>
> return err;
[...]
> diff --git a/drivers/net/ethernet/freescale/fec_main.c
> b/drivers/net/ethernet/freescale/fec_main.c
> index d4604bc8eb5b..f3e43db0d6cb 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -2052,13 +2052,9 @@ static int fec_enet_mii_init(struct platform_device
> *pdev)
> fep->mii_bus->parent = &pdev->dev;
>
> node = of_get_child_by_name(pdev->dev.of_node, "mdio");
> - if (node) {
> - err = of_mdiobus_register(fep->mii_bus, node);
> + err = of_mdiobus_register(fep->mii_bus, node);
> + if (node)
> of_node_put(node);
Same comment here.
[...]
> diff --git a/drivers/net/ethernet/renesas/sh_eth.c
> b/drivers/net/ethernet/renesas/sh_eth.c
> index 5970d9e5ddf1..8dd41e08a6c6 100644
> --- a/drivers/net/ethernet/renesas/sh_eth.c
> +++ b/drivers/net/ethernet/renesas/sh_eth.c
> @@ -3025,15 +3025,10 @@ static int sh_mdio_init(struct sh_eth_private *mdp,
> pdev->name, pdev->id);
>
> /* register MDIO bus */
> - if (dev->of_node) {
> - ret = of_mdiobus_register(mdp->mii_bus, dev->of_node);
> - } else {
> - if (pd->phy_irq > 0)
> - mdp->mii_bus->irq[pd->phy] = pd->phy_irq;
> -
> - ret = mdiobus_register(mdp->mii_bus);
> - }
> + if (pd->phy_irq > 0)
> + mdp->mii_bus->irq[pd->phy] = pd->phy_irq;
>
> + ret = of_mdiobus_register(mdp->mii_bus, dev->of_node);
> if (ret)
> goto out_free_bus;
>
This part is:
Acked-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>
[...]
> diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
> index 91761436709a..8dff87ec6d99 100644
> --- a/drivers/net/usb/lan78xx.c
> +++ b/drivers/net/usb/lan78xx.c
> @@ -1843,12 +1843,9 @@ static int lan78xx_mdio_init(struct lan78xx_net *dev)
> }
>
> node = of_get_child_by_name(dev->udev->dev.of_node, "mdio");
> - if (node) {
> - ret = of_mdiobus_register(dev->mdiobus, node);
> + ret = of_mdiobus_register(dev->mdiobus, node);
> + if (node)
> of_node_put(node);
of_node_put() checks for NULL, again...
MBR, Sergei
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