netdev - RE: [PATCH net-next 1/2] net: phy: aquantia: add rate

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Message-ID: <DB8PR04MB69850140BB3EDED3EF3446E0EC050@DB8PR04MB6985.eurprd04.prod.outlook.com>
Date:   Wed, 29 Jan 2020 10:59:45 +0000
From:   "Madalin Bucur (OSS)" <madalin.bucur@....nxp.com>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>,
        "Madalin Bucur (OSS)" <madalin.bucur@....nxp.com>
CC:     Vladimir Oltean <olteanv@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "ykaukab@...e.de" <ykaukab@...e.de>
Subject: RE: [PATCH net-next 1/2] net: phy: aquantia: add rate_adaptation
 indication

> -----Original Message-----
> From: Russell King - ARM Linux admin <linux@...linux.org.uk>
> Sent: Wednesday, January 29, 2020 12:57 PM
> To: Madalin Bucur (OSS) <madalin.bucur@....nxp.com>
> Cc: Vladimir Oltean <olteanv@...il.com>; Florian Fainelli
> <f.fainelli@...il.com>; davem@...emloft.net; andrew@...n.ch;
> hkallweit1@...il.com; netdev@...r.kernel.org; ykaukab@...e.de
> Subject: Re: [PATCH net-next 1/2] net: phy: aquantia: add rate_adaptation
> indication
> 
> On Wed, Jan 29, 2020 at 10:53:03AM +0000, Madalin Bucur (OSS) wrote:
> > Meanwhile, a real issue is that in the current design, the
> > ethernet driver needs to remove modes that are invalid from the PHY
> > advertising, but needs to refrain from doing that when coupled with
> > a PHY that does rate adaptation. This bit provides just an indication
> > of that ability.
> 
> That should be phylink's job, not the ethernet driver.

I'm not using phylink. This pattern is present in most drivers that use PHYlib.

> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down
> 622kbps up
> According to speedtest.net: 11.9Mbps down 500kbps up