Re: [PATCH net-next v3] net: phy: marvell-88q2xxx: Enable temperature measurement in probe again

[Paolo Abeni]

On 4/29/25 10:03 PM, Niklas Söderlund wrote:
>> @@ -765,6 +768,13 @@ static int mv88q2xxx_hwmon_probe(struct phy_device *phydev)
>>  	struct mv88q2xxx_priv *priv = phydev->priv;
>>  	struct device *dev = &phydev->mdio.dev;
>>  	struct device *hwmon;
>> +	int ret;
>> +
>> +	/* Enable temperature sense */
>> +	ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, MDIO_MMD_PCS_MV_TEMP_SENSOR2,
>> +			     MDIO_MMD_PCS_MV_TEMP_SENSOR2_DIS_MASK, 0);
>> +	if (ret < 0)
>> +		return ret;
> 
> nit: I wonder if it make sens to create a helper function to enable the 
> sensor? My worry being this procedure growing in the future and only 
> being fixed in one location and not the other. It would also reduce code 
> duplication and could be stubbed to be compiled out with the existing 
> IS_ENABLED(CONFIG_HWMON) guard for other hwmon functions.
> 
> That being said I tested this with mv88q211x and the temp sensor and PHY 
> keeps working as expected.
> 
> Tested-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

Since this is net-next material +1 for the helper.

Also AFAICS this is fixing a net-next regression, so it needs a fixes
tag, too.

Thanks,

Paolo