netdev - Re: [PATCH net-next 3/3] net: axienet: Pass ioctls to the phy.

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Message-ID: <20191217105945.GA17965@lunn.ch>
Date:   Tue, 17 Dec 2019 11:59:45 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     netdev@...r.kernel.org,
        Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
        David Miller <davem@...emloft.net>,
        linux-arm-kernel@...ts.infradead.org,
        Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH net-next 3/3] net: axienet: Pass ioctls to the phy.

> +static int axienet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
> +{
> +	if (!netif_running(dev))
> +		return -EINVAL;
> +
> +	switch (cmd) {
> +	case SIOCGMIIPHY:
> +	case SIOCGMIIREG:
> +	case SIOCSMIIREG:
> +	case SIOCSHWTSTAMP:
> +	case SIOCGHWTSTAMP:
> +		return phy_mii_ioctl(dev->phydev, rq, cmd);
> +	default:
> +		return -EOPNOTSUPP;
> +	}
> +}

Hi Richard

You don't need to be conditional. phy_mii_ioctl() and
phylink_mii_ioctl() will return -EOPNOTSUPP for anything it does not
support.

	Andrew