linux-kernel - Re: [RFC PATCH 00/13] can: slcan: extend supported features

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Date:   Tue, 7 Jun 2022 21:20:36 +0900
From:   Vincent MAILHOL <mailhol.vincent@...adoo.fr>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        linux-kernel@...r.kernel.org,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        michael@...rulasolutions.com,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC PATCH 00/13] can: slcan: extend supported features

On Tue. 7 Jun 2022 at 19:39, Marc Kleine-Budde <mkl@...gutronix.de> wrote:
> On 07.06.2022 19:27:05, Vincent MAILHOL wrote:
> > On Tue. 7 juin 2022 at 18:47, Dario Binacchi
> > <dario.binacchi@...rulasolutions.com> wrote:
> > > This series originated as a result of CAN communication tests for an
> > > application using the USBtin adapter (https://www.fischl.de/usbtin/).
> > > The tests showed some errors but for the driver everything was ok.
> > > Also, being the first time I used the slcan driver, I was amazed that
> > > it was not possible to configure the bitrate via the ip tool.
> > > For these two reasons, I started looking at the driver code and realized
> > > that it didn't use the CAN network device driver interface.
> >
> > That's funny! Yesterday, I sent this comment:
> > https://lore.kernel.org/linux-can/CAMZ6RqKZwC_OKcgH+WPacY6kbNbj4xR2Gdg2NQtm5Ka5Hfw79A@mail.gmail.com/
> >
> > And today, you send a full series to remove all the dust from the
> > slcan driver. Do I have some kind of mystical power to summon people
> > on the mailing list?
>
> That would be very useful and awesome super power, I'm a bit jealous. :D
>
> > > Starting from these assumptions, I tried to:
> > > - Use the CAN network device driver interface.
> >
> > In order to use the CAN network device driver, a.k.a. can-dev module,
> > drivers/net/can/Kbuild has to be adjusted: move slcan inside CAN_DEV
> > scope.
> >
> > @Mark: because I will have to send a new version for my can-dev/Kbuild
> > cleanup, maybe I can take that change and add it to my series?
>
> Let's get the your Kconfig/Makefile changes into can-next/master first.
> Then Dario can then base this series on that branch.

ACK. I'll keep my series as-is.