netdev - Re: [PATCH net-next v7 6/6] net: phy: DP83822: Add ability to advertise Fiber connection

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Message-ID: <20200617170048.3501848a@kicinski-fedora-PC1C0HJN>
Date:   Wed, 17 Jun 2020 17:00:48 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Dan Murphy <dmurphy@...com>
Cc:     <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
        <davem@...emloft.net>, <robh@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH net-next v7 6/6] net: phy: DP83822: Add ability to
 advertise Fiber connection

On Wed, 17 Jun 2020 13:20:19 -0500 Dan Murphy wrote:
> +static int dp83822_config_init(struct phy_device *phydev)
> +{
> +	struct dp83822_private *dp83822 = phydev->priv;
> +	int rgmii_delay;
> +	int err = 0;
> +
> +	if (phy_interface_is_rgmii(phydev)) {
> +		if (dp83822->rx_int_delay)
> +			rgmii_delay = DP83822_RX_CLK_SHIFT;
> +
> +		if (dp83822->tx_int_delay)
> +			rgmii_delay |= DP83822_TX_CLK_SHIFT;
> +
> +		if (rgmii_delay)
> +			err = phy_set_bits_mmd(phydev, DP83822_DEVADDR,
> +					       MII_DP83822_RCSR, rgmii_delay);
> +	}
> +
> +	return dp8382x_disable_wol(phydev);
> +}


drivers/net/phy/dp83822.c: In function dp83822_config_init:
drivers/net/phy/dp83822.c:282:6: warning: variable err set but not used [-Wunused-but-set-variable]
  282 |  int err = 0;
      |      ^~~