linux-kernel - Re: [PATCH v2] net: davicom: dm9000: allow to pass MAC address through mac

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Date:   Fri, 14 Feb 2020 17:32:05 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Paul Cercueil <paul@...pouillou.net>,
        "David S. Miller" <davem@...emloft.net>,
        Petr Štetiar <ynezz@...e.cz>,
        Richard Fontana <rfontana@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com
Subject: Re: [PATCH v2] net: davicom: dm9000: allow to pass MAC address
 through mac_addr module parameter

On Fri, Feb 14, 2020 at 05:07:35PM +0100, H. Nikolaus Schaller wrote:
> The MIPS Ingenic CI20 board is shipped with a quite old u-boot
> (ci20-v2013.10 see https://elinux.org/CI20_Dev_Zone). This passes
> the MAC address through dm9000.mac_addr=xx:xx:xx:xx:xx:xx
> kernel module parameter to give the board a fixed MAC address.

I think this will get ACKed.

There is a well defined way to pass the MAC address via DT. The driver
supports that already.

uboot for this board appears to be open:

https://github.com/MIPS/CI20_u-boot

and it is documented to how build it.

So there is no reason why it cannot be made to support the standard
mechanism.

	Andrew