linux-kernel - Re: [PATCH net-next v7 1/9] net: dsa: microchip: enable EEE support

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Date:   Thu, 9 Feb 2023 13:55:17 +0000
From:   <Arun.Ramadoss@...rochip.com>
To:     <olteanv@...il.com>, <UNGLinuxDriver@...rochip.com>,
        <vivien.didelot@...il.com>, <andrew@...n.ch>,
        <f.fainelli@...il.com>, <kuba@...nel.org>, <wei.fang@....com>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <o.rempel@...gutronix.de>, <Woojung.Huh@...rochip.com>,
        <davem@...emloft.net>, <hkallweit1@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <kernel@...gutronix.de>
Subject: Re: [PATCH net-next v7 1/9] net: dsa: microchip: enable EEE support

On Thu, 2023-02-09 at 10:51 +0100, Oleksij Rempel wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you
> know the content is safe
> 
> Some of KSZ9477 family switches provides EEE support. To enable it,
> we
> just need to register set_mac_eee/set_mac_eee handlers and validate
> supported chip version and port.
> 
> Currently supported chip variants are: KSZ8563, KSZ9477, KSZ9563,
> KSZ9567, KSZ9893, KSZ9896, KSZ9897. KSZ8563 supports EEE only with
> 100BaseTX/Full.  Other chips support 100BaseTX/Full and
> 1000BaseTX/Full.
> Low Power Idle configuration is not supported and currently not
> documented in the datasheets.
> 
> EEE PHY specific tunings are not documented in the switch datasheets,
> but can
> overlap with KSZ9131 specification.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>

Acked-by: Arun Ramadoss <arun.ramadoss@...rochip.com>