linux-kernel - Re: [PATCH v8 7/7] MIPS: DTS: CI20: make DM9000 Ethernet controller use NVMEM to find the default MAC address

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Message-ID: <20200420072036.GD4627@alpha.franken.de>
Date:   Mon, 20 Apr 2020 09:20:36 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        Andreas Kemnade <andreas@...nade.info>,
        Paul Cercueil <paul@...pouillou.net>,
        Mathieu Malaterre <malat@...ian.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com
Subject: Re: [PATCH v8 7/7] MIPS: DTS: CI20: make DM9000 Ethernet controller
 use NVMEM to find the default MAC address

On Fri, Feb 28, 2020 at 05:00:53PM +0100, H. Nikolaus Schaller wrote:
> There is a unique MAC address programmed into the eFuses
> of the JZ4780 chip in the CI20 factory. By using this
> for initializing the DM9000 Ethernet controller, every
> CI20 board has an individual - but stable - MAC address
> and DHCP can assign stable IP addresses.
> 
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> ---
>  arch/mips/boot/dts/ingenic/ci20.dts | 3 +++
>  1 file changed, 3 insertions(+)

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]