linux-kernel - RE: [PATCH net-next v3 06/12] net: ethernet: oa_tc6: implement internal PHY initialization

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Date: Thu, 21 Mar 2024 18:49:12 +0000
From: Selvamani Rajagopal <Selvamani.Rajagopal@...emi.com>
To: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com"
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        "horms@...nel.org"
	<horms@...nel.org>,
        "saeedm@...dia.com" <saeedm@...dia.com>,
        "anthony.l.nguyen@...el.com" <anthony.l.nguyen@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "andrew@...n.ch" <andrew@...n.ch>, "corbet@....net" <corbet@....net>,
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	<vladimir.oltean@....com>
CC: "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        "Thorsten.Kummermehr@...rochip.com" <Thorsten.Kummermehr@...rochip.com>,
        Piergiorgio Beruto <Pier.Beruto@...emi.com>,
        "Nicolas.Ferre@...rochip.com"
	<Nicolas.Ferre@...rochip.com>,
        "benjamin.bigler@...nformulastudent.ch"
	<benjamin.bigler@...nformulastudent.ch>
Subject: RE: [PATCH net-next v3 06/12] net: ethernet: oa_tc6: implement
 internal PHY initialization


> +static int oa_tc6_mdiobus_register(struct oa_tc6 *tc6) {
> +	int ret;
> +
> +	tc6->mdiobus = mdiobus_alloc();
> +	if (!tc6->mdiobus) {
> +		netdev_err(tc6->netdev, "MDIO bus alloc failed\n");
> +		return -ENODEV;
> +	}

Shouldn't it be appropriate to return -ENOMEM here?

> +
> +	tc6->mdiobus->priv = tc6;
> +	tc6->mdiobus->read = oa_tc6_mdiobus_direct_read;
> +	tc6->mdiobus->write = oa_tc6_mdiobus_direct_write;
> +	tc6->mdiobus->name = "oa-tc6-mdiobus";
> +	tc6->mdiobus->parent = tc6->dev;
> +