linux-kernel - Re: [PATCH 1/2] of_mdio: add new DT property 'link' for fixed-link

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Message-ID: <alpine.LNX.2.02.1507100940530.15010@sbrk.org>
Date:	Fri, 10 Jul 2015 10:46:44 +0200 (CEST)
From:	Sebastien Rannou <mxs@...k.org>
To:	Stas Sergeev <stsp@...t.ru>
cc:	Florian Fainelli <f.fainelli@...il.com>,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Arnaud Ebalard <arno@...isbad.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	devicetree@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2] of_mdio: add new DT property 'link' for fixed-link

On Fri, 10 Jul 2015, Stas Sergeev wrote:

> 10.07.2015 00:15, Florian Fainelli пишет:
> > Then, if the in-band status indication is not reliable (which really
> > should be completely understood),
> Agree!
> But this is not something I can help with.
> Sebastien Rannou reports the problem, please ask him whatever
> you see fits to get a better understanding of a problem.
> The fact that his HW does not generate the inband status, is
> _my own guess_.

Yes, I confirm that my HW does not generate an in-band status. AFAIK, it's
a PHY that aggregates 4xSGMIIs to 1xQSGMII ; the MAC side of the PHY (with
inband status) is connected to the switch through QSGMII, and in this context
we are on the media side of the PHY.

-- 
Sébastien