linux-kernel - Re: [PATCH net-next v3 1/4] net: phy: add an option to disable EEE advertisement

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Date:   Mon, 28 Nov 2016 13:20:50 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     Jerome Brunet <jbrunet@...libre.com>, netdev@...r.kernel.org
Cc:     devicetree@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Andre Roth <neolynx@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 1/4] net: phy: add an option to disable EEE
 advertisement

Am 28.11.2016 um 10:46 schrieb Jerome Brunet:
> This patch adds an option to disable EEE advertisement in the generic PHY
> by providing a mask of prohibited modes corresponding to the value found in
> the MDIO_AN_EEE_ADV register.
> 
> On some platforms, PHY Low power idle seems to be causing issues, even
> breaking the link some cases. The patch provides a convenient way for these
> platforms to disable EEE advertisement and work around the issue.
> 
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
> ---
>  drivers/net/phy/phy.c        |  3 ++
>  drivers/net/phy/phy_device.c | 80 +++++++++++++++++++++++++++++++++++++++-----
>  include/linux/phy.h          |  3 ++
>  3 files changed, 77 insertions(+), 9 deletions(-)

Tested-by: Andreas Färber <afaerber@...e.de>

With this and the corresponding .dts change, Odroid-C2 survived a
317-package zypper update for me.

Thanks,
Andreas

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