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Subject: Re: [PATCH v4 08/18] net: davinci_emac: potentially get the MAC
 address from MTD
To:     Florian Fainelli <f.fainelli@gmail.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Sekhar Nori <nsekhar@ti.com>,
        Kevin Hilman <khilman@kernel.org>,
        Russell King <linux@armlinux.org.uk>,
        Grygorii Strashko <grygorii.strashko@ti.com>,
        "David S . Miller" <davem@davemloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Lukas Wunner <lukas@wunner.de>, Rob Herring <robh@kernel.org>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andrew Lunn <andrew@lunn.ch>, Jonathan Corbet <corbet@lwn.net>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-omap@vger.kernel.org, netdev@vger.kernel.org,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
References: <20180629094039.7543-1-brgl@bgdev.pl>
 <20180629094039.7543-9-brgl@bgdev.pl>
 <03b77e24-9ab9-fa01-2387-9de0408a9942@gmail.com>
From:   David Lechner <david@lechnology.com>
Message-ID: <83c551d9-9e66-fc72-7f8d-c43337d05a71@lechnology.com>
Date:   Tue, 3 Jul 2018 11:47:16 -0500
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On 07/03/2018 11:39 AM, Florian Fainelli wrote:
> 
> 
> On 06/29/2018 02:40 AM, Bartosz Golaszewski wrote:
>> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>>
>> On da850-evm board we can read the MAC address from MTD. It's currently
>> done in the relevant board file, but we want to get rid of all the MAC
>> reading callbacks from the board file (SPI and NAND). Move the reading
>> of the MAC address from SPI to the emac driver's probe function.
> 
> This should be made something generic to all drivers, not just something
> the davinci_emac driver does, something like this actually:
> 
> https://lkml.org/lkml/2018/3/24/312
> 

I was thinking about suggesting adding a nvmem provider for MTD devices
as well. It would fix the kernel config dependency problems I was running
into since nvmem lookups can do -EPROBE_DEFER.