linux-kernel - Re: [RESEND PATCH v5 06/16] ARM: dts: r7s72100: Add generic compatible string for I2C EEPROM

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Message-ID: <20170616133644.GA26834@verge.net.au>
Date:   Fri, 16 Jun 2017 15:36:44 +0200
From:   Simon Horman <horms@...ge.net.au>
To:     Javier Martinez Canillas <javier@...hile0.org>
Cc:     linux-kernel@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>,
        Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        linux-renesas-soc@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [RESEND PATCH v5 06/16] ARM: dts: r7s72100: Add generic
 compatible string for I2C EEPROM

On Thu, Jun 15, 2017 at 08:54:08PM +0200, Javier Martinez Canillas wrote:
> The at24 driver allows to register I2C EEPROM chips using different vendor
> and devices, but the I2C subsystem does not take the vendor into account
> when matching using the I2C table since it only has device entries.
> 
> But when matching using an OF table, both the vendor and device has to be
> taken into account so the driver defines only a set of compatible strings
> using the "atmel" vendor as a generic fallback for compatible I2C devices.
> 
> So add this generic fallback to the device node compatible string to make
> the device to match the driver using the OF device ID table.
> 
> Signed-off-by: Javier Martinez Canillas <javier@...hile0.org>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Thanks, I have queued this up in the renesas tree for v4.14.