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Date:   Sat, 22 Aug 2020 18:49:46 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek BehĂșn <marek.behun@....cz>
Cc:     netdev@...r.kernel.org, Russell King <rmk+kernel@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: add support for
 88E6393X from Amethyst family

> --- a/drivers/net/dsa/mv88e6xxx/port.c
> +++ b/drivers/net/dsa/mv88e6xxx/port.c
> @@ -187,11 +187,16 @@ static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
>  		ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
>  		break;
>  	case 2500:
> -		if (alt_bit)
> -			ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
> -				MV88E6390_PORT_MAC_CTL_ALTSPEED;
> +		if (chip->info->family == MV88E6XXX_FAMILY_6393)
> +			ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
>  		else
>  			ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000;
> +		if (alt_bit)
> +			ctrl |= MV88E6390_PORT_MAC_CTL_ALTSPEED;
> +		break;
> +	case 5000:
> +		ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
> +			MV88E6390_PORT_MAC_CTL_ALTSPEED;
>  		break;
>  	case 10000:
>  		/* all bits set, fall through... */

This is getting more and more complex. Maybe it is time to refactor it?

     Andrew

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