linux-kernel - Re: [PATCH v3 05/13] can: netlink: dump bitrate 0 if can

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Message-ID: <20220614072414.dxdrzrcokusunf3v@pengutronix.de>
Date:   Tue, 14 Jun 2022 09:24:14 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc:     linux-kernel@...r.kernel.org, michael@...rulasolutions.com,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 05/13] can: netlink: dump bitrate 0 if
 can_priv::bittiming.bitrate is -1U

On 13.06.2022 22:44:12, Dario Binacchi wrote:
> On Mon, Jun 13, 2022 at 9:11 AM Marc Kleine-Budde <mkl@...gutronix.de> wrote:
> > This would make the code a lot cleaner. Can you think of a nice macro
> > name for the -1?
> >
> > 0 could be CAN_BITRATE_UNCONFIGURED or _UNSET. For -1 I cannot find a
> > catchy name, something like CAN_BITRATE_CONFIGURED_UNKOWN or
> > SET_UNKNOWN.
> >
> 
> Personally I would use CAN_BITRATE_UNSET (0) and CAN_BITRATE_UNKNOWN (-1).
> Let me know what your ultimate preference is.

Looks good.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
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