netdev - Re: [PATCH net-next v4 1/6] net: dsa: mv88e6xxx: Add RMU enable for select switches.

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Date:   Wed, 7 Sep 2022 08:29:55 +0200
From:   Mattias Forsblad <mattias.forsblad@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v4 1/6] net: dsa: mv88e6xxx: Add RMU enable for
 select switches.

On 2022-09-06 23:46, Florian Fainelli wrote:
> 
> 
> On 9/5/2022 11:34 PM, Mattias Forsblad wrote:
>> Add RMU enable functionality for some Marvell SOHO switches.
>>
>> Signed-off-by: Mattias Forsblad <mattias.forsblad@...il.com>
>> ---
> 
> [snip]
> 
>> +int mv88e6085_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port)
>> +{
>> +    int val = MV88E6352_G1_CTL2_RMU_MODE_DISABLED;
>> +
>> +    dev_dbg(chip->dev, "RMU: Enabling on port %d", upstream_port);
> 
> This debug print is in every chip-specific function, so maybe you can consider moving it to mv88e6xxx_master_change()?
> 

Ofc, will fix.
>> +
>> +    switch (upstream_port) {
>> +    case 9:
>> +        val = MV88E6085_G1_CTL2_RM_ENABLE;
>> +        break;
>> +    case 10:
>> +        val = MV88E6085_G1_CTL2_RM_ENABLE | MV88E6085_G1_CTL2_P10RM;
>> +        break;
>> +    default:
>> +        return -EOPNOTSUPP;
>> +    }
>> +
>> +    return mv88e6xxx_g1_ctl2_mask(chip, MV88E6085_G1_CTL2_P10RM |
>> +                      MV88E6085_G1_CTL2_RM_ENABLE, val);
>> +}
>> +
>>   int mv88e6352_g1_rmu_disable(struct mv88e6xxx_chip *chip)
>>   {
>>       return mv88e6xxx_g1_ctl2_mask(chip, MV88E6352_G1_CTL2_RMU_MODE_MASK,
>>                         MV88E6352_G1_CTL2_RMU_MODE_DISABLED);
>>   }
>>   +int mv88e6352_g1_rmu_enable(struct mv88e6xxx_chip *chip, int port)
> 
> Can we name this argument upstream_port and pass it a dsa_switch_upstream_port() port already?

Will fix.

	Mattias