On 01/09/2018 01:42 PM, Andrew Lunn wrote:
> The internal PHYs in the mv88e6390 switch have a temperature sensor.
> It uses a different register layout to other PHY currently supported.
> It also has an errata, in that some reads of the sensor result in bad
> values. So a number of reads need to be made, and the average taken.
> 
> Signed-off-by: Andrew Lunn <and...@lunn.ch>

Just a few nits below:

[snip]

> +static int m88e6390_hwmon_read(struct device *dev,
> +                            enum hwmon_sensor_types type,
> +                            u32 attr, int channel, long *temp)
> +{
> +     struct phy_device *phydev = dev_get_drvdata(dev);

Why not to_phy_device()?

[snip]

> +
> +static int m88e6390_hwmon_probe(struct phy_device *phydev)
> +{
> +     return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
> +}
>  #else
>  static int m88e1121_hwmon_probe(struct phy_device *phydev)
>  {
> @@ -1794,6 +1927,11 @@ static int m88e1510_hwmon_probe(struct phy_device 
> *phydev)
>  {
>       return 0;
>  }
> +
> +static int m88e6390_hwmon_probe(struct phy_device *phydev)
> +{
> +     return 0;
> +}

Instead of having to define m88e6390_hwmon_probe() twice, I would just
make marvell_hwmon_probe() a stub when CONFIG_HWMON=n?
-- 
Florian

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