linux-kernel - Re: drivers: Inline code in devm_platform_ioremap

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Date:   Sat, 15 Jun 2019 13:00:17 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <julia.lawall@...6.fr>,
        kernel-janitors@...r.kernel.org
Cc:     Enrico Weigelt <lkml@...ux.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        cocci@...teme.lip6.fr, linux-kernel@...r.kernel.org
Subject: Re: drivers: Inline code in devm_platform_ioremap_resource() from two
 functions

>> Two function calls were combined in this function implementation.
>> Inline corresponding code so that extra error checks can be avoided here.
>
> I don't see any point to this at all.

Would you like to take another look at corresponding design options?

How do you think about to check run time characteristics any more?


> By inlining the code, you have created a clone,
> which will introduce extra work to maintain in the future.

Would you find the shown software transformation acceptable
if a C compiler will be able to generate a similar code structure?

Regards,
Markus