linux-kernel - Re: [PATCH] tools: iio: use swap() to make code cleaner

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Date:   Thu, 4 Nov 2021 12:36:52 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     davidcomponentone@...il.com
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Yang Guang <yang.guang5@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] tools: iio: use swap() to make code cleaner

On Thu, Nov 4, 2021 at 12:33 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Thu, Nov 4, 2021 at 8:21 AM <davidcomponentone@...il.com> wrote:

> > Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
> > opencoding it.
>
> Same as per other patches. Don't be a dump addon to the robot, think
> about the code a little bit more.
>
> >  void bsort_channel_array_by_index(struct iio_channel_info *ci_array, int cnt)
> >  {
> > -       struct iio_channel_info temp;
> >         int x, y;
> >
> >         for (x = 0; x < cnt; x++)
> >                 for (y = 0; y < (cnt - 1); y++)
> >                         if (ci_array[y].index > ci_array[y + 1].index) {
> > -                               temp = ci_array[y + 1];
> > -                               ci_array[y + 1] = ci_array[y];
> > -                               ci_array[y] = temp;
> > +                               swap(ci_array[y + 1], ci_array[y]);
> >                         }
>
> Name of the function suggests it's a sort, we have the sort_r() API,
> use it instead.

Ah, it's the tools folder...
Anyway, the first part of the comment stays valid for all your contribution.

-- 
With Best Regards,
Andy Shevchenko