netdev - Re: [PATCH v11 4/4] net: dsa: mv88e6xxx: Add support for mv88e6393x family of Marvell

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Message-ID: <20201209234020.GI2649111@lunn.ch>
Date:   Thu, 10 Dec 2020 00:40:20 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Pavana Sharma <pavana.sharma@...i.com>
Cc:     ashkan.boldaji@...i.com, clang-built-linux@...glegroups.com,
        davem@...emloft.net, devicetree@...r.kernel.org,
        f.fainelli@...il.com, gregkh@...uxfoundation.org,
        kbuild-all@...ts.01.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, lkp@...el.com, marek.behun@....cz,
        netdev@...r.kernel.org, robh+dt@...nel.org,
        vivien.didelot@...il.com
Subject: Re: [PATCH v11 4/4] net: dsa: mv88e6xxx: Add support for mv88e6393x
 family of Marvell

> +/* Support 10, 100, 200, 1000, 2500, 5000, 10000 Mbps (e.g. 88E6393X)
> + * This function adds new speed 5000 supported by Amethyst family.
> + * Function mv88e6xxx_port_set_speed_duplex() can't be used as the register
> + * values for speeds 2500 & 5000 conflict.
> + */

Thanks, that should stop my or somebody else trying to wrong combine
them.

> +/* Offset 0x10 & 0x11: EPC */
> +
> +static int mv88e6393x_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
> +{
> +	int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
> +
> +	return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
> +}

To follow the naming convention, this should really be called mv88e6393x_port_epc_wait_ready


> +int mv88e6393x_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port,
> +	    int lane, bool enable)

It can be hard to tell in a diff, but the indentation looks wrong
here. 'int lane' should line up with 'struct'.

> +{
> +	u8 cmode = chip->ports[port].cmode;
> +	int err = 0;
> +
> +	switch (cmode) {
> +	case MV88E6XXX_PORT_STS_CMODE_SGMII:
> +	case MV88E6XXX_PORT_STS_CMODE_1000BASEX:
> +	case MV88E6XXX_PORT_STS_CMODE_2500BASEX:
> +	case MV88E6XXX_PORT_STS_CMODE_5GBASER:
> +	case MV88E6XXX_PORT_STS_CMODE_10GBASER:
> +		err = mv88e6390_serdes_irq_enable_sgmii(chip, lane, enable);
> +	}
> +
> +	return err;
> +}
> +
> +irqreturn_t mv88e6393x_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
> +				 int lane)

Maybe here as well?

> +int mv88e6393x_setup_errata(struct mv88e6xxx_chip *chip)

It should have _serdes_ in the name to follow the naming convention.

   Andrew