netdev - Re: [PATCH can-next 2/2] CAN: rcar: add device tree support for r8a779[234]

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Message-ID: <20160222033644.GB24277@rob-hp-laptop>
Date:	Sun, 21 Feb 2016 21:36:44 -0600
From:	Rob Herring <robh@...nel.org>
To:	Simon Horman <horms+renesas@...ge.net.au>
Cc:	Wolfgang Grandegger <wg@...ndegger.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Magnus Damm <magnus.damm@...il.com>, linux-can@...r.kernel.org,
	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH can-next 2/2] CAN: rcar: add device tree support for
 r8a779[234]

On Mon, Feb 22, 2016 at 11:15:50AM +0900, Simon Horman wrote:
> Simply document new compatibility string.
> As a previous patch adds a generic R-Car Gen2 compatibility string
> there appears to be no need for a driver updates.
> 
> By documenting this compat sting it may be used in DTSs shipped, for
> example as part of ROMs. It must be used in conjunction with the Gen2
> fallback compat string. At this time there are no known differences between
> the r8a779[234] IP blocks and that implemented by the driver for the Gen2
> fallback compat string. Thus there is no need to update the driver as the
> use of the Gen2 fallback compat string will activate the correct code in
> the current driver while leaving the option for r8a779[234]-specific driver
> code to be activated in an updated driver should the need arise.
> 
> Signed-off-by: Simon Horman <horms+renesas@...ge.net.au>
> ---
>  Documentation/devicetree/bindings/net/can/rcar_can.txt | 3 +++
>  drivers/net/can/rcar_can.c                             | 3 +++
>  2 files changed, 6 insertions(+)

Acked-by: Rob Herring <robh@...nel.org>