netdev - Re: [PATCH net-next 0/7] net: phy: smsc: add support for edpd tunable

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Date:   Sun, 2 Apr 2023 16:58:00 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Chris Healy <cphealy@...il.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 0/7] net: phy: smsc: add support for edpd tunable

On 02.04.2023 16:00, Florian Fainelli wrote:
> 
> 
> On 4/2/2023 2:43 AM, Heiner Kallweit wrote:
>> This adds support for the EDPD PHY tunable.
>> Per default EDPD is disabled in interrupt mode, the tunable can be used
>> to override this, e.g. if the link partner doesn't use EDPD.
>> The interval to check for energy can be chosen between 1000ms and
>> 2000ms. Note that this value consists of the 1000ms phylib interval
>> for state machine runs plus the time to wait for energy being detected.
> 
> AFAIR Chris Healy was trying to get something similar done, maybe you can CC him on the next version?

Actually this is based on a conversation between him and me. Chris came up
with a first version and I reworked it from scratch to meet mainline standards
and make it usable on SMSC and Amlogic PHY's.