linux-kernel - Re: [PATCH net-next v5 2/3] net: dsa: microchip: ksz8: Add function to configure ports with integrated PHYs

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Message-ID: <ZV3NAPB/MX3R4b2q@shell.armlinux.org.uk>
Date:   Wed, 22 Nov 2023 09:42:24 +0000
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Arun Ramadoss <arun.ramadoss@...rochip.com>,
        Simon Horman <simon.horman@...igine.com>,
        kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v5 2/3] net: dsa: microchip: ksz8: Add function
 to configure ports with integrated PHYs

On Wed, Nov 22, 2023 at 10:25:44AM +0100, Oleksij Rempel wrote:
> +	if (duplex) {

Unnecessary.

> +		bool aneg_en = false;
> +
> +		ret = ksz_pread8(dev, port, regs[P_FORCE_CTRL], &ctrl);
> +		if (ret)
> +			return;
> +
> +		if (ksz_is_ksz88x3(dev)) {
> +			if ((ctrl & PORT_AUTO_NEG_ENABLE))

Too many parens.

> +				aneg_en = true;

Simpler:
			aneg_en = ctrl & PORT_AUTO_NEG_ENABLE;

> +		} else {
> +			if (!(ctrl & PORT_AUTO_NEG_DISABLE))
> +				aneg_en = true;

Simpler:
			aneg_en = !(ctrl & PORT_AUTO_NEG_DISABLE);

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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