netdev - Re: [RFC next-next v2 1/5] net: marvell: prestera: Add driver for Prestera family ASIC devices

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Message-ID: <20200511135359.GB413878@lunn.ch>
Date:   Mon, 11 May 2020 15:53:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vadym Kochan <vadym.kochan@...ision.eu>
Cc:     Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        Serhiy Boiko <serhiy.boiko@...ision.eu>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Andrii Savka <andrii.savka@...ision.eu>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Subject: Re: [RFC next-next v2 1/5] net: marvell: prestera: Add driver for
 Prestera family ASIC devices

> Looks like it might be hard for the board manufacturing? I mean each
> board item need to have updated dtb file with base mac address, instead
> to have common dtb for the board type.
> 
> And it sounds that platform data might be the way in case if the vendor
> will implement platform device driver which will handle reading base mac
> from eeprom (or other storage) depending on the board and put it to the
> platform data which will be provided to prestera driver ?

Hi Vadym

This is not a new problem. Go look at the standard solutions to this.

of_get_mac_address(), eth_platform_get_mac_address(),
nvmem_get_mac_address(), of_get_mac_addr_nvmem(), etc.

  Andrew