linux-kernel - Re: [PATCH 0/3] eeprom: at25: Add DT support for 25lc040

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Message-ID: <20171204212215.f5dqiei6eqk6d7de@rob-hp-laptop>
Date:   Mon, 4 Dec 2017 15:22:15 -0600
From:   Rob Herring <robh@...nel.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Ivo Sieben <meltedpianoman@...il.com>,
        Chris Wright <chrisw@...s-sol.org>,
        Wolfram Sang <wsa@...-dreams.de>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] eeprom: at25: Add DT support for 25lc040

On Thu, Nov 30, 2017 at 02:29:43PM +0100, Geert Uytterhoeven wrote:
> 	Hi all,
> 
> Some "atmel,at25" compatible SPI EEPROMs (e.g. Microchip 25lc040) use an
> odd number of address bits.  This patch series adds support for
> instantiating such devices from DT.
> 
> Do EEPROMs using 17 or 25 address bits, as mentioned in 
> include/linux/spi/eeprom.h, really exist?
> Or should we just limit it to a single odd value (9 bits)?
> 
> This has been tested with a bunch of 25lc040 EEPROMs.
> 
> Thanks!
> 
> Geert Uytterhoeven (3):
>   eeprom: at25: Add DT support for EEPROMs with odd address bits
>   dt-bindings: eeprom: at25: Grammar s/are can/can/
>   dt-bindings: eeprom: at25: Document device-specific compatible values

2 and 3 are fixes and I'll apply for 4.15 if you don't mind.

Rob

> 
>  Documentation/devicetree/bindings/eeprom/at25.txt | 17 ++++++++++++-----
>  drivers/misc/eeprom/at25.c                        |  4 ++++
>  2 files changed, 16 insertions(+), 5 deletions(-)