linux-kernel - Re: [v2 01/10] utils_macro: introduce find_closest

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Message-ID: <CAHp75VdPhNbr6Y7ethsmw_Bd7DZOi4cyFHubPpOxa1LXibkUCQ@mail.gmail.com>
Date:   Thu, 28 Oct 2021 13:25:48 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Andrea Merello <andrea.merello@...il.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matt Ranostay <matt.ranostay@...sulko.com>,
        Alexandru Ardelean <ardeleanalex@...il.com>,
        jmondi <jacopo@...ndi.org>,
        Andrea Merello <andrea.merello@....it>
Subject: Re: [v2 01/10] utils_macro: introduce find_closest_unsorted()

On Thu, Oct 28, 2021 at 1:18 PM Andrea Merello <andrea.merello@...il.com> wrote:
>
> This is similar to find_closest() and find_closest_descending(), but, it
> doesn't make any assumption about the array being ordered.

Macros in general are not so welcoming.
Why do you do it as a macro?

...

> +#include <linux/math.h>

Wondering if the current header misses other inclusions it's a direct user of.

...

> +/**
> + * find_closest_unsorted - locate the closest element in a unsorted array

an

> + * @x: The reference value.
> + * @a: The array in which to look for the closest element.
> + * @as: Size of 'a'.
> + *
> + * Similar to find_closest() but 'a' has no requirement to being sorted
> + */

-- 
With Best Regards,
Andy Shevchenko