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From:   "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Date:   Thu, 19 May 2022 05:11:22 +0100
Message-ID: <CA+V-a8vBxtHeRqo9a9w7wWyAF28stZqoUt-cE1iYKNE4BDNc0w@mail.gmail.com>
Subject: Re: [PATCH v4 5/7] gpio: gpiolib: Add a check to validate GPIO hwirq
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Marc Zyngier <maz@kernel.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Thomas Gleixner <tglx@linutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
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        Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
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        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
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        Biju Das <biju.das.jz@bp.renesas.com>
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Hi Andy,

Thank you for the review.

On Wed, May 18, 2022 at 10:08 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Wed, May 18, 2022 at 9:30 PM Lad Prabhakar
> <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> >
> > Add a check to validate GPIO hwirq is always within the range of hwirq_max
> > set in the GPIO irq domain.
>
> ...
>
> > +                       if (WARN(hwirq >= domain->hwirq_max,
> > +                                "error: hwirq 0x%x is too large for %s\n",
> > +                                (int)hwirq, domain->name))
>
> Using castings in the printf() often points to possible mistakes or
> missed custom specifiers.
>
Right, I picked up the printf() just a few lines above where it did
the same exact thing. I will update it in the next version.

> ...
>
> > +               if (WARN(hwirq >= domain->hwirq_max,
> > +                        "error: hwirq 0x%x is too large for %s\n", (int)hwirq, domain->name))
>
> Ditto.
>
Will drop castings.

Cheers,
Prabhakar