Re: [PATCH v2 3/3] nvmem: add ONIE nvmem cells parser

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On 12/09/2021 22:06, John Thomson wrote:
Hi Vadym,

On Wed, 8 Sep 2021, at 09:56, Vadym Kochan wrote:

Hi Jan,

Jan Lübbe <jlu@xxxxxxxxxxxxxx> writes:

I think it would be useful to have a way to express this setup for systems with
many interfaces, but am unsure of where this should be described. Maybe a "mac-
address-offset" property in the generic ethernet controller binding?

Regards,
Jan

May be something like eth_address_provider should be introduced in
net/ethernet/ ?

This provider can provide something like eth_provider_address_next() which
will consider "mac-address-num" (or other specific fields).


A patch series proposed the devicetree property
mac-address-increment, but it did not get support at the time:

Please have a look at some recent nvmem patches https://lkml.org/lkml/2021/9/8/270 that adds support for vendor specific post-processing of nvmem-cells.

Am hoping that increment usecase (along with other variants) should also be dealt in similar way.


--srini
of_net: add mac-address-increment support
https://lore.kernel.org/all/20200920095724.8251-4-ansuelsmth@xxxxxxxxx/
dt-bindings: net: Document use of mac-address-increment
https://lore.kernel.org/all/20200920095724.8251-5-ansuelsmth@xxxxxxxxx/




Cheers,




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