linux-kernel - Re: [PATCH v2 09/12] gpio: sim: new testing module

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Message-ID: <CAMRc=Mf4kmDadRgDiX=p2DuKjBXng8FWvouToQMJBNsfX2zckw@mail.gmail.com>
Date:   Mon, 8 Mar 2021 16:37:10 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Joel Becker <jlbec@...lplan.org>,
        Christoph Hellwig <hch@....de>, Shuah Khan <shuah@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Kent Gibson <warthog618@...il.com>,
        Jonathan Corbet <corbet@....net>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-doc <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v2 09/12] gpio: sim: new testing module

On Mon, Mar 8, 2021 at 4:32 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> On Mon, Mar 08, 2021 at 04:13:33PM +0100, Bartosz Golaszewski wrote:
> > On Mon, Mar 8, 2021 at 4:05 PM Andy Shevchenko
> > <andriy.shevchenko@...ux.intel.com> wrote:
> > > On Mon, Mar 08, 2021 at 03:23:31PM +0100, Bartosz Golaszewski wrote:
>
> ...
>
> > > I have strong opinion not to open code "yet another parser".
> > >
> > > So, grepping on 'strsep(.*, ",")' shows a lot of code that wants something like
> > > this. Interesting are the net/9p cases. This in particular pointed out to
> > > lib/parser.c which in turn shows promising match_strlcpy() / match_strdup(). I
> > > haven't looked deeply though.
> > >
> > > That said, I agree that next_arg() is not the best here.
> >
> > Shall we revisit this once it's upstream with a generalization for
> > separating comma separated strings?
>
> How can we guarantee it won't be forgotten?
>

I will add a REVISIT comment, so *obviously* it ***will*** be revisited. :)

Bartosz