linux-kernel - Re: [PATCH v2 2/4] can: fixed-transceiver: Add documentation for CAN fixed transceiver bindings

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Date:   Tue, 25 Jul 2017 18:32:56 +0200
From:   Oliver Hartkopp <socketcan@...tkopp.net>
To:     Franklin S Cooper Jr <fcooper@...com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org, linux-can@...r.kernel.org,
        wg@...ndegger.com, mkl@...gutronix.de, robh+dt@...nel.org,
        quentin.schulz@...e-electrons.com, dev.kurt@...dijck-laurijssen.be,
        andrew@...n.ch, sergei.shtylyov@...entembedded.com
Subject: Re: [PATCH v2 2/4] can: fixed-transceiver: Add documentation for CAN
 fixed transceiver bindings


> + max-data-speed:	a positive non 0 value that determines the max data rate
> +			that can be used in CAN-FD mode. A value of -1 implies
> +			CAN-FD is not supported by the transceiver.
> +
> +Examples:

(..)

> +	fixed-transceiver {
> +		max-data-speed = <(-1)>;

Looks ugly IMHO.

Why didn't you stay on '0' for 'not supported'??

Regards,
Oliver