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Date:   Wed, 28 Apr 2021 10:09:17 +0200
From:   Michael Walle <michael@...le.cc>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        QCA ath9k Development <ath9k-devel@....qualcomm.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        netdev <netdev@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        "open list:MEDIA DRIVERS FOR RENESAS - FCP" 
        <linux-renesas-soc@...r.kernel.org>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        linux-oxnas@...ups.io, linux-omap <linux-omap@...r.kernel.org>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-staging@...ts.linux.dev,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Andreas Larsson <andreas@...sler.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Joyce Ooi <joyce.ooi@...el.com>,
        Chris Snook <chris.snook@...il.com>,
        Rafał Miłecki <rafal@...ecki.pl>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Fugang Duan <fugang.duan@....com>,
        Madalin Bucur <madalin.bucur@....com>,
        Pantelis Antoniou <pantelis.antoniou@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Li Yang <leoyang.li@....com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Vadym Kochan <vkochan@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Mirko Lindner <mlindner@...vell.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Bryan Whitehead <bryan.whitehead@...rochip.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Byungho An <bh74.an@...sung.com>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
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        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Vinod Koul <vkoul@...nel.org>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Wingman Kwok <w-kwok2@...com>,
        Murali Karicheri <m-karicheri2@...com>,
        Michal Simek <michal.simek@...inx.com>,
        Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Stanislaw Gruszka <stf_xl@...pl>,
        Helmut Schaa <helmut.schaa@...glemail.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Frank Rowand <frowand.list@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jérôme Pouiller <jerome.pouiller@...abs.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: Re: [PATCH net-next v4 2/2] of: net: fix of_get_mac_addr_nvmem() for
 non-platform devices

Am 2021-04-27 01:44, schrieb Benjamin Herrenschmidt:
> On Mon, 2021-04-26 at 12:54 +0200, Michael Walle wrote:
>> (2) What do you think of eth_get_mac_address(ndev). That is, the
> 
> Not sure what you mean, eth_platform_get_mac_address() takes the
> address as an argument. I think what you want is a consolidated
> nvmem_get_mac_address + eth_platform_get_mac_address that takes a
> device, which would have no requirement of the bus_type at all.

Sure. What I meant was the following:

  eth_get_mac_address(struct net_device *ndev)
vs.
  eth_get_mac_address(struct device *dev, u8 *mac_buf)

The first would assume the destination is ndev->dev_addr (which
is true for most of the calls, but not all).

-michael

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