linux-kernel - Re: [PATCH 0/6] mvneta: SGMII-based in-band link state signaling

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Message-ID: <20150327135904.GB11975@lunn.ch>
Date:	Fri, 27 Mar 2015 14:59:04 +0100
From:	Andrew Lunn <andrew@...n.ch>
To:	Stas Sergeev <stsp@...t.ru>
Cc:	netdev@...r.kernel.org,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: Re: [PATCH 0/6] mvneta: SGMII-based in-band link state signaling

> But there is no MDIO, because SGMII AFAIK doesn't need MDIO.
> SGMII has in-band status, but for some reason it seems currently
> linux is not ready for such setup - this is what my patch addresses.

Hacking the fixed-link driver feels wrong to me. You probably want to
implement an SGMII-link driver. With some refactoring you can probably
re-use some of the fixed-link driver code, but it should be a separate
driver, with its own DT binding.

But i'm no export here. So lets see what others say.

    Andrew
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