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From: Andrew Lunn <andrew@lunn.ch>
To: "Marek Behún" <kabel@kernel.org>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	kuba@kernel.org
Subject: Re: [PATCH net-next 1/5] net: phy: marvell: refactor HWMON OOP style
Date: Tue, 13 Apr 2021 16:36:35 +0200	[thread overview]
Message-ID: <YHWsc3H8RzmdfvuR@lunn.ch> (raw)
In-Reply-To: <20210413075538.30175-2-kabel@kernel.org>

> +static int marvell_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
> +			      u32 attr, int channel, long *temp)
>  {
>  	struct phy_device *phydev = dev_get_drvdata(dev);
> -	int err;
> +	const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
> +	int err = -EOPNOTSUPP;
>  
>  	switch (attr) {
>  	case hwmon_temp_input:
> -		err = m88e6390_get_temp(phydev, temp);
> +		if (ops->get_temp)
> +			err = ops->get_temp(phydev, temp);
> +		break;
> +	case hwmon_temp_crit:
> +		if (ops->get_temp_critical)
> +			err = ops->get_temp_critical(phydev, temp);
> +		break;
> +	case hwmon_temp_max_alarm:
> +		if (ops->get_temp_alarm)
> +			err = ops->get_temp_alarm(phydev, temp);
>  		break;
>  	default:
> -		return -EOPNOTSUPP;
> +		fallthrough;
> +	}

Does the default clause actually service any purpose?

And it is not falling through, it is falling out :-)

    Andrew

  parent reply	other threads:[~2021-04-13 14:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-13  7:55 [PATCH net-next 0/5] net: phy: marvell: some HWMON updates Marek Behún
2021-04-13  7:55 ` [PATCH net-next 1/5] net: phy: marvell: refactor HWMON OOP style Marek Behún
2021-04-13 14:26   ` kernel test robot
2021-04-13 14:36   ` Andrew Lunn [this message]
2021-04-13 15:11     ` Marek Behún
2021-04-13  7:55 ` [PATCH net-next 2/5] net: phy: marvell: fix HWMON enable register for 6390 Marek Behún
2021-04-13 14:25   ` Andrew Lunn
2021-04-13 15:12     ` Marek Behún
2021-04-13  7:55 ` [PATCH net-next 3/5] net: phy: marvell: use assignment by bitwise AND operator Marek Behún
2021-04-13 14:25   ` Andrew Lunn
2021-04-13  7:55 ` [PATCH net-next 4/5] net: dsa: mv88e6xxx: simulate Amethyst PHY model number Marek Behún
2021-04-13 14:26   ` Andrew Lunn
2021-04-13  7:55 ` [PATCH net-next 5/5] net: phy: marvell: add support for Amethyst internal PHY Marek Behún
2021-04-13 14:33   ` Andrew Lunn

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