[PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue
f.fainelli at gmail.com
Tue Nov 29 16:43:20 PST 2016
On 11/29/2016 04:38 PM, David Miller wrote:
> From: Jerome Brunet <jbrunet at baylibre.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.
Meh, there was a v4 submitted shortly after, and I objected to the whole
idea of using that kind of Device Tree properties to disable EEE, we can
send reverts though..
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