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

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Date:   Mon, 11 Dec 2017 19:02:20 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     David Miller <davem@...emloft.net>
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

On Mon, Dec 11, 2017 at 01:54:03PM -0500, David Miller wrote:
> 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.

That's something like it - asked Andrew via IRC on Saturday:

Do we want to do the XAUI thing as one patch to avoid any breakage, and
if so via whom?

and haven't had a response.  Normally arm-soc folk want patches
touching arch/arm/boot/dts to go via their tree.

So, until I know what to do, I can't proceed with this... and I've
soo many outstanding net patches now that I'm losing track of where
each patch I've sent out is.  Sorry, I'm failing.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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