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References: <20230614074904.29085-1-herve.codina@bootlin.com> <20230614074904.29085-9-herve.codina@bootlin.com>
In-Reply-To: <20230614074904.29085-9-herve.codina@bootlin.com>
From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Wed, 14 Jun 2023 12:03:44 +0300
Message-ID: <CAHp75VcBcrFnQYC=2NJ4DpY5NgTP8PszXvx70EAzeEDRXs8Q+A@mail.gmail.com>
Subject: Re: [PATCH v4 08/13] iio: inkern: Use max_array() to get the maximum
 value from an array
To:     Herve Codina <herve.codina@bootlin.com>
Cc:     Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
        alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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On Wed, Jun 14, 2023 at 10:49=E2=80=AFAM Herve Codina <herve.codina@bootlin=
.com> wrote:
>
> Use max_array() to get the maximum value from an array instead of a
> custom local loop.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Signed-off-by: Herve Codina <herve.codina@bootlin.com>
> ---
>  drivers/iio/inkern.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> index 71d0424383b6..8bfd91f74101 100644
> --- a/drivers/iio/inkern.c
> +++ b/drivers/iio/inkern.c
> @@ -5,6 +5,7 @@
>   */
>  #include <linux/err.h>
>  #include <linux/export.h>
> +#include <linux/minmax.h>
>  #include <linux/mutex.h>
>  #include <linux/property.h>
>  #include <linux/slab.h>
> @@ -875,11 +876,7 @@ static int iio_channel_read_max(struct iio_channel *=
chan,
>                         return -EINVAL;
>                 switch (*type) {
>                 case IIO_VAL_INT:
> -                       *val =3D vals[--length];
> -                       while (length) {
> -                               if (vals[--length] > *val)
> -                                       *val =3D vals[length];
> -                       }
> +                       *val =3D max_array(vals, length);
>                         break;
>                 default:
>                         /* FIXME: learn about max for other iio values */
> --
> 2.40.1
>


--=20
With Best Regards,
Andy Shevchenko