From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oliver Hartkopp <socketcan@hartkopp.net>
Subject: Re: [PATCH v3] can: rcar_canfd: Add Renesas R-Car CAN FD driver
Date: Mon, 21 Mar 2016 16:49:03 +0100
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To: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>, "mkl@pengutronix.de" <mkl@pengutronix.de>, "wg@grandegger.com" <wg@grandegger.com>
Cc: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>

On 03/21/2016 04:43 PM, Ramesh Shanmugasundaram wrote:

>>> /* The R-Car CAN FD controller can operate in either one of the below
>> two modes
>>>    *  - CAN FD only mode
>>>    *  - Classical CAN (CAN 2.0) only mode
>>>    *
>>>    * This driver puts the controller in CAN FD only mode by default. In
>>> this
>>
>> This driver does not support the Classical CAN (CAN 2.0) mode of the
>> controller which is handled by a different register set and therefore puts
>> the controller in CAN FD only mode by default. In this
>
> With a slight re-wording if I may
>
> "This driver puts the controller in CAN FD only mode by default. In this mode, the
> controller acts as a CAN FD node that can also interoperate with CAN 2.0 nodes.
>
> As of now, this driver does not support the classical CAN (CAN 2.0) mode, which
> is handled by a different register map compared to CAN FD only mode"
>
> It kind of implies "can only" mode patch will come next & we consciously submitted CAN FD only first to keep it simple :-)

ACK :-)

Thanks,
Oliver