linux-kernel - Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

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Message-ID: <20150709111941.6a49091f@free-electrons.com>
Date:	Thu, 9 Jul 2015 11:19:41 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Sebastien Rannou <mxs@...k.org>
Cc:	Stas Sergeev <stsp@...t.ru>, netdev@...r.kernel.org,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: Re: [5/6] mvneta: implement SGMII-based in-band link state
 signaling

Sebastien, Stas,

On Thu, 9 Jul 2015 11:03:26 +0200 (CEST), Sebastien Rannou wrote:
> On Wed, 8 Jul 2015, Stas Sergeev wrote:
> 
> > What is there? A phy chip, or something else?
> 
> It's "something else", there's a phy which aggregates 4xSGMIIs to
> 1xQSGMII, we are on the media side here, the MAC side is connected
> to the switch through QSGMII.
> 
> > Perhaps some DT property should be added to explicitly
> > enable the use of the inband status...
> 
> Yes, that would be fine.

Isn't it a bit weird to need a new DT property for this? Shouldn't
fixed-link always imply this inband status thing?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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