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[net-next,0/4] net: phy: xpcs: Link errors improvements

Message ID cover.1584106347.git.Jose.Abreu@synopsys.com
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Series net: phy: xpcs: Link errors improvements | expand

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Jose Abreu March 13, 2020, 1:39 p.m. UTC 
First set of improvements for XPCS that were developed after exhaustive
tests of Link Down / Link Up transitions.

As a side note, more fixes and improvements may come in the near future
as we are adding XLGMII support at 25G, 40G, 50G and 100G speeds for
both XPCS and stmmac drivers.

Patch 1/4, prevents reading old values from RX/TX fault.

Patch 2/4 and 3/4, signals the check link function for critical errors
that can disturbe link normal operation and that need XPCS reset.

Patch 4/4, resets the XPCS at probe so that we start from a well known
state.

---
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---

Jose Abreu (4):
  net: phy: xpcs: Clear latched value of RX/TX fault
  net: phy: xpcs: Return error upon RX/TX fault
  net: phy: xpcs: Return error when 10GKR link errors are found
  net: phy: xpcs: Reset XPCS upon probe

 drivers/net/phy/mdio-xpcs.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)