netdev - Re: [PATCH 3/3] net: dsa: ksz: Add Microchip KSZ8795 DSA driver

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Message-ID: <20190725140351.GG21952@lunn.ch>
Date:   Thu, 25 Jul 2019 16:03:51 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek Vasut <marex@...x.de>
Cc:     netdev@...r.kernel.org, Tristram Ha <Tristram.Ha@...rochip.com>,
        "David S . Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>
Subject: Re: [PATCH 3/3] net: dsa: ksz: Add Microchip KSZ8795 DSA driver

On Wed, Jul 24, 2019 at 03:40:48PM +0200, Marek Vasut wrote:
> From: Tristram Ha <Tristram.Ha@...rochip.com>
> +static void ksz8795_phy_setup(struct ksz_device *dev, int port,
> +			      struct phy_device *phy)
> +{
> +	if (port < dev->phy_port_cnt) {
> +		/*
> +		 * SUPPORTED_Asym_Pause and SUPPORTED_Pause can be removed to
> +		 * disable flow control when rate limiting is used.
> +		 */
> +		linkmode_copy(phy->advertising, phy->supported);
> +	}
> +}

Hi Marek

Do you know why this is needed?

Thanks
	Andrew