linux-kernel - Re: [PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue

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Message-Id: <20161129.193853.827524417068912706.davem@davemloft.net>
Date:   Tue, 29 Nov 2016 19:38:53 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     jbrunet@...libre.com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        f.fainelli@...il.com, carlo@...one.org, khilman@...libre.com,
        peppe.cavallaro@...com, alexandre.torgue@...com,
        martin.blumenstingl@...glemail.com, neolynx@...il.com,
        andrew@...n.ch, 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 0/4] Fix OdroidC2 Gigabit Tx link issue

From: Jerome Brunet <jbrunet@...libre.com>
Date: Mon, 28 Nov 2016 10:46:45 +0100

> This patchset fixes an issue with the OdroidC2 board (DWMAC + RTL8211F).
> The platform seems to enter LPI on the Rx path too often while performing
> relatively high TX transfer. This eventually break the link (both Tx and
> Rx), and require to bring the interface down and up again to get the Rx
> path working again.
> 
> The root cause of this issue is not fully understood yet but disabling EEE
> advertisement on the PHY prevent this feature to be negotiated.
> With this change, the link is stable and reliable, with the expected
> throughput performance.
> 
> The patchset adds options in the generic phy driver to disable EEE
> advertisement, through device tree. The way it is done is very similar
> to the handling of the max-speed property.

Patches 1-3 applied to net-next, thanks.