linux-kernel - Re: [GIT PULL] configfs-based GPIO simulator for v5.16

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Date:   Fri, 12 Nov 2021 15:46:28 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Joel Becker <jlbec@...lplan.org>,
        Christoph Hellwig <hch@....de>,
        Kent Gibson <warthog618@...il.com>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [GIT PULL] configfs-based GPIO simulator for v5.16

On Thu, Nov 4, 2021 at 8:01 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> Linus,
>
> A while ago I sent you a pull-request for the GPIO subsystem which, in addition
> to regular GPIO updates, contained a new GPIO simulator module based on
> configfs that we want to use to test the uAPI and its main user-space user -
> libgpiod. The PR included changes to configfs itself in the form of an
> implementation of the concept of committable items. The changes had been in
> development for several months and the maintainers had been largely
> unresponsive which made me send it directly to you eventually after gathering
> some reviews on the linux-gpio mailing list. You then Cc'ed Al who raised some
> concerns and the patches were pulled out.
>
> A couple months have passed with a few more iterations and I still can't get
> any meaningful reviews from the configfs maintainers (nor NAKs for that
> matter). I decided to give it another try and send it to you directly again.
>
> Since last time I've addressed issues raised by Al (to the best of my ability
> anyway) and made sure all references are counted correctly (including error
> paths) and all resources freed. This code has been tested a lot with
> a development version of libgpiod. The branch I've tagged spent some time in
> next too with a single issue reported and fixed.
>
> Please consider pulling.
>
> Best Regards,
> Bartosz Golaszewski
>

Hi Linus,

The merge window is closing soon, so I'd like to send out a gentle
ping and ask you if you have any comments on these patches and what
should my next steps be regarding them.

Best Regards,
Bartosz Golaszewski