linux-kernel - Re: Coccinelle: api: add devm_platform_ioremap

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Date:   Wed, 12 Jun 2019 07:28:48 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
cc:     Markus Elfring <Markus.Elfring@....de>,
        Himanshu Jha <himanshujha199640@...il.com>,
        cocci@...teme.lip6.fr, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>
Subject: Re: Coccinelle: api: add devm_platform_ioremap_resource script



On Tue, 11 Jun 2019, Enrico Weigelt, metux IT consult wrote:

> On 09.06.19 10:55, Markus Elfring wrote:
>
> <snip>
>
> >> But there is not usually any interesting formatting on the left side of an
> >> assignment (ie typically no newlines or comments).
> >
> > Is there any need to trigger additional source code reformatting?
> >
> >> I can see no purpose to factorizing the right parenthesis.
> >
> > These characters at the end of such a function call should be kept unchanged.
>
> Agreed. OTOH, we all know that spatch results still need to be carefully
> checked. I suspect trying to teach it all the formatting rules of the
> kernel isn't an easy task.
>
> > The flag “IORESOURCE_MEM” is passed as the second parameter for the call
> > of the function “platform_get_resource” in this refactoring.
>
> In that particular case, we maybe should consider separate inline
> helpers instead of passing this is a parameter.
>
> Maybe it would even be more efficient to have completely separate
> versions of devm_platform_ioremap_resource(), so we don't even have
> to pass that parameter on stack.

I'm lost as to why this discussion suddenly appeared.  What problem is
actually being discussed?

julia