From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
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linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue
Date: Tue, 29 Nov 2016 20:13:31 -0500 (EST) [thread overview]
Message-ID: <20161129.201331.2207317476589573523.davem@davemloft.net> (raw)
In-Reply-To: <e14a3b0c-dc34-be14-48b3-518a0ad0c080-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
From: Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Tue, 29 Nov 2016 16:43:20 -0800
> On 11/29/2016 04:38 PM, David Miller wrote:
>> From: Jerome Brunet <jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
>> 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..
Sorry, I lost this in all the discussion, I can revert.
Just send me a revert of the entire merge commit
a152c91889556df17ca6d8ea134fb2cb4ac9f893 with a short
description of why and I'll apply it.
Thanks.
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next prev parent reply other threads:[~2016-11-30 1:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 9:46 [PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue Jerome Brunet
2016-11-28 9:46 ` [PATCH net-next v3 1/4] net: phy: add an option to disable EEE advertisement Jerome Brunet
2016-11-28 10:28 ` Yegor Yefremov
2016-11-28 12:20 ` Andreas Färber
2016-11-28 9:46 ` [PATCH net-next v3 2/4] dt-bindings: net: add EEE capability constants Jerome Brunet
2016-11-28 10:28 ` Yegor Yefremov
2016-11-28 12:21 ` Andreas Färber
2016-11-28 9:46 ` [PATCH net-next v3 3/4] dt: bindings: add ethernet phy eee-broken-modes option documentation Jerome Brunet
[not found] ` <1480326409-25419-4-git-send-email-jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-11-28 12:22 ` Andreas Färber
2016-11-28 9:46 ` [PATCH net-next v3 4/4] ARM64: dts: meson: odroidc2: disable advertisement EEE for GbE Jerome Brunet
[not found] ` <1480326409-25419-5-git-send-email-jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-11-28 12:31 ` Andreas Färber
[not found] ` <9709dd57-e536-9281-6b56-5ff5f9e8035c-l3A5Bk7waGM@public.gmane.org>
2016-11-28 12:40 ` Jerome Brunet
[not found] ` <1480326409-25419-1-git-send-email-jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-11-28 13:42 ` [PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue Neil Armstrong
2016-11-30 0:38 ` David Miller
[not found] ` <20161129.193853.827524417068912706.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-11-30 0:43 ` Florian Fainelli
[not found] ` <e14a3b0c-dc34-be14-48b3-518a0ad0c080-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-11-30 1:13 ` David Miller [this message]
[not found] ` <20161129.201331.2207317476589573523.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-11-30 1:15 ` Florian Fainelli
2016-12-18 13:37 ` Martin Blumenstingl
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