linux-kernel - [PATCH v4 0/3] net: enable inband link state negotiation only when explicitly requested

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Message-ID: <55A7C45F.1070501@list.ru>
Date:	Thu, 16 Jul 2015 17:49:03 +0300
From:	Stas Sergeev <stsp@...t.ru>
To:	netdev <netdev@...r.kernel.org>
CC:	Linux kernel <linux-kernel@...r.kernel.org>,
	Sebastien Rannou <mxs@...k.org>,
	Arnaud Ebalard <arno@...isbad.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH v4 0/3] net: enable inband link state negotiation only when
 explicitly requested

Hello.

Currently the link status auto-negotiation is enabled
for any SGMII link with fixed-link DT binding.
The regression was reported:
https://lkml.org/lkml/2015/7/8/865
Apparently not all HW that implements SGMII protocol, generates the
inband status for the auto-negotiation to work.
More details here:
https://lkml.org/lkml/2015/7/10/206

The following patches reverts to the old behavior by default,
which is to not enable the auto-negotiation for fixed-link.
The new DT property is added that allows to explicitly request
the auto-negotiation.

Those who were affected by the change, please send your Tested-by,
Thanks!
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