netdev - RE: [PATCH] enetc: disable EEE autoneg by default

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Message-ID: <VI1PR04MB488028BB1C6A50236E89E1D7965F0@VI1PR04MB4880.eurprd04.prod.outlook.com>
Date:   Fri, 6 Dec 2019 15:17:02 +0000
From:   Claudiu Manoil <claudiu.manoil@....com>
To:     "Y.b. Lu" <yangbo.lu@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>
CC:     "Y.b. Lu" <yangbo.lu@....com>
Subject: RE: [PATCH] enetc: disable EEE autoneg by default

>-----Original Message-----
>From: Yangbo Lu <yangbo.lu@....com>
>Sent: Friday, December 6, 2019 11:54 AM
[...]
>Subject: [PATCH] enetc: disable EEE autoneg by default
>
>The EEE support has not been enabled on ENETC, but it may connect
>to a PHY which supports EEE and advertises EEE by default, while
>its link partner also advertises EEE. If this happens, the PHY enters
>low power mode when the traffic rate is low and causes packet loss.
>This patch disables EEE advertisement by default for any PHY that
>ENETC connects to, to prevent the above unwanted outcome.
>
>Signed-off-by: Yangbo Lu <yangbo.lu@....com>

Reviewed-by: Claudiu Manoil <claudiu.manoil@....com>