netdev - Re: [PATCH net-next 4/4] net: sfp: re-attempt probing for phy

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Message-ID: <20191209174744.GJ9099@lunn.ch>
Date:   Mon, 9 Dec 2019 18:47:44 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 4/4] net: sfp: re-attempt probing for phy

On Mon, Dec 09, 2019 at 02:16:11PM +0000, Russell King wrote:
> Some 1000BASE-T PHY modules take a while for the PHY to wake up.
> Retry the probe a number of times before deciding that the module has
> no PHY.
> 
> Tested with:
>  Sourcephotonics SPGBTXCNFC - PHY takes less than 50ms to respond.
>  Champion One 1000SFPT - PHY takes about 200ms to respond.
>  Mikrotik S-RJ01 - no PHY
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew