From: Stas Sergeev <stsp@list.ru>
Date: Wed, 1 Apr 2015 17:32:49 +0000 (+0300)
Subject: mvneta: implement SGMII-based in-band link state signaling
X-Git-Tag: omap-for-v4.2/o2_dc~131^2~75^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=898b2970e2c91e4543b579998922822894325866;p=pandora-kernel.git

mvneta: implement SGMII-based in-band link state signaling

When MDIO bus is unavailable (common setup for SGMII), the in-band
signaling must be used to correctly track link state.
This patch enables the in-band status delivery for link state changes, namely:
- link up/down
- link speed
- duplex full/half
fixed_phy_update_state() is used to update phy status.

CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
CC: Florian Fainelli <f.fainelli@gmail.com>
CC: netdev@vger.kernel.org
CC: linux-kernel@vger.kernel.org

Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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