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

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Message-ID: <20220608021537.04c45cf9.max@enpas.org>
Date:   Wed, 8 Jun 2022 02:15:37 +0200
From:   Max Staudt <max@...as.org>
To:     Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc:     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>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Paolo Abeni <pabeni@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        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

Dario, thank you so much for working on slcan!

To speed up the slcan cleanup, may I suggest looking at can327?

It started as a modification of slcan, and over the past few months,
it has gone through several review rounds in upstreaming. In fact, a
*ton* of things pointed out during reviews would apply 1:1 to slcan.

What's more, there's legacy stuff that's no longer needed. No
SLCAN_MAGIC, no slcan_devs, ... it's all gone in can327. May I suggest
you have a look at it and bring slcan's boilerplate in line with it?

It's certainly not perfect (7 patch series and counting, and that's
just the public ones), but I'm sure that looking at the two drivers
side-by-side could serve as a good starting point, to avoid
re-reviewing the same things all over again.

The current out-of-tree version can be found here (the repo name is
still the old one, elmcan), where I occasionally push changes before
bundling them up into an upstreaming patch. If a specific line seems
strange to you, "git blame" on this repo is likely to dig up a helpful
commit message, explaining the choice:

  https://github.com/norly/elmcan
  https://git.enpas.org/?p=elmcan.git

Max