netdev - Re: [PATCH net-next v2 3/3] net: phy: bcm54140: add hwmon support

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Message-ID: <4fd6d06636898560c405713eb91327e3@walle.cc>
Date:   Sun, 19 Apr 2020 18:51:33 +0200
From:   Michael Walle <michael@...le.cc>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next v2 3/3] net: phy: bcm54140: add hwmon support

Am 2020-04-19 17:56, schrieb Andrew Lunn:
> On Sun, Apr 19, 2020 at 12:12:49PM +0200, Michael Walle wrote:
> 
> Hi Michael
> 
> You have an #if here...
> 
>> +#if IS_ENABLED(CONFIG_HWMON)
>> +static umode_t bcm54140_hwmon_is_visible(const void *data,
>> +					 enum hwmon_sensor_types type,
>> +					 u32 attr, int channel)
>> +{
>> +	switch (type) {
>> +	case hwmon_in:
>> +		switch (attr) {
>> +		case hwmon_in_min:
>> +		case hwmon_in_max:
>> +			return 0644;
>> +		case hwmon_in_label:
>> +		case hwmon_in_input:
>> +		case hwmon_in_alarm:
>> +			return 0444;
>> +		default:
>> +			return 0;
>> +		}
>> +	case hwmon_temp:
>> +		switch (attr) {
>> +		case hwmon_temp_min:
>> +		case hwmon_temp_max:
>> +			return 0644;
>> +		case hwmon_temp_input:
>> +		case hwmon_temp_alarm:
>> +			return 0444;
>> +		default:
>> +			return 0;
>> +		}
>> +	default:
>> +		return 0;
>> +	}
>> +}
> 
> ...
> 
> 
>> +static const struct hwmon_chip_info bcm54140_chip_info = {
>> +	.ops = &bcm54140_hwmon_ops,
>> +	.info = bcm54140_hwmon_info,
>>  };
>> 
>>  static int bcm54140_phy_base_read_rdb(struct phy_device *phydev, u16 
>> rdb)
>> @@ -203,6 +522,72 @@ static int bcm54140_get_base_addr_and_port(struct 
>> phy_device *phydev)
>>  	return 0;
>>  }
> 
> 
> Still inside the #if. Some original code is now inside the #if/#endif.
> Is this correct? Hard to see from just the patch.

Whoops you're correct, something got messed up here. Will
fix that in the next version.

-michael


> 
>> 
>> +/* Check if one PHY has already done the init of the parts common to 
>> all PHYs
>> + * in the Quad PHY package.
>> + */
>> +static bool bcm54140_is_pkg_init(struct phy_device *phydev)
>> +{
>> +	struct bcm54140_phy_priv *priv = phydev->priv;
>> +	struct mii_bus *bus = phydev->mdio.bus;
>> +	int base_addr = priv->base_addr;
>> +	struct phy_device *phy;
>> +	int i;
>> +
> 
> ...
> 
>> +static int bcm54140_phy_probe_once(struct phy_device *phydev)
>> +{
>> +	struct device *hwmon;
>> +	int ret;
>> +
>> +	/* enable hardware monitoring */
>> +	ret = bcm54140_enable_monitoring(phydev);
>> +	if (ret)
>> +		return ret;
>> +
>> +	hwmon = devm_hwmon_device_register_with_info(&phydev->mdio.dev,
>> +						     "BCM54140", phydev,
>> +						     &bcm54140_chip_info,
>> +						     NULL);
>> +	return PTR_ERR_OR_ZERO(hwmon);
>> +}
>> +#endif
> 
> 
> Thanks
>   Andrew