On Fri, Apr 08, 2022 at 10:29:41AM +0200, Oleksij Rempel wrote:
> diff --git a/drivers/net/dsa.c b/drivers/net/dsa.c
> new file mode 100644
> index 0000000000..5be38d32b0
> --- /dev/null
> +++ b/drivers/net/dsa.c
> +static int dsa_switch_register_master(struct dsa_switch *ds,
> + struct device_node *np,
> + struct device_node *master, int port)
> +{
> + struct device_node *phy_node;
> + struct phy_device *phydev;
> + struct dsa_port *dp;
> + int ret;
> +
> + of_device_ensure_probed(master);
I think this can be dropped as it's also done by
of_find_eth_device_by_node() called below.
Sascha
> +
> + if (ds->edev_master) {
> + dev_err(ds->dev, "master was already registered!\n");
> + return -EINVAL;
> + }
> +
> + ds->edev_master = of_find_eth_device_by_node(master);
> + if (!ds->edev_master) {
> + dev_err(ds->dev, "can't find ethernet master device\n");
> + return -ENODEV;
> + }
> +
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