linux-kernel - Re: [PATCH net-next 1/3] dt-bindings: net: add nvmem-mac-address-offset property

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Message-ID: <YHcNtdq+oIYcB08+@lunn.ch>
Date:   Wed, 14 Apr 2021 17:43:49 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Michael Walle <michael@...le.cc>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Frank Rowand <frowand.list@...il.com>
Subject: Re: [PATCH net-next 1/3] dt-bindings: net: add
 nvmem-mac-address-offset property

On Wed, Apr 14, 2021 at 05:26:55PM +0200, Michael Walle wrote:
> It is already possible to read the MAC address via a NVMEM provider. But
> there are boards, esp. with many ports, which only have a base MAC
> address stored. Thus we need to have a way to provide an offset per
> network device.

We need to see what Rob thinks of this. There was recently a patchset
to support swapping the byte order of the MAC address in a NVMEM. Rob
said the NVMEM provider should have the property, not the MAC driver.
This does seems more ethernet specific, so maybe it should be an
Ethernet property?

	 Andrew