netdev - Re: [PATCH] net: dsa: allow XAUI phy interface mode

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Message-Id: <20171211.135403.1074292653549923685.davem@davemloft.net>
Date:   Mon, 11 Dec 2017 13:54:03 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     rmk+kernel@...linux.org.uk
Cc:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        f.fainelli@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] net: dsa: allow XAUI phy interface mode

From: Russell King <rmk+kernel@...linux.org.uk>
Date: Fri, 08 Dec 2017 16:04:59 +0000

> XGMII is a 32-bit bus plus two clock signals per direction.  XAUI is
> four serial lanes per direction.  The 88e6190 supports XAUI but not
> XGMII as it doesn't have enough pins.  The same is true of 88e6176.
> 
> Match on PHY_INTERFACE_MODE_XAUI for the XAUI port type, but keep
> accepting XGMII for backwards compatibility.
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

Based upon the discussion of this patch I am expecting to receive
a DT patch that replaces this one, and some time in the future the
XGMII case statement providing backwards compatibility will be
removed.

Please let me know if this is not the case.

THanks.