Re: [PATCH v4 08/13] iio: inkern: Use max_array() to get the maximum value from an array

From: Andy Shevchenko
Date: Wed Jun 14 2023 - 05:04:35 EST


On Wed, Jun 14, 2023 at 10:49 AM Herve Codina <herve.codina@xxxxxxxxxxx> wrote:
>
> Use max_array() to get the maximum value from an array instead of a
> custom local loop.

Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> ---
> 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 = vals[--length];
> - while (length) {
> - if (vals[--length] > *val)
> - *val = vals[length];
> - }
> + *val = max_array(vals, length);
> break;
> default:
> /* FIXME: learn about max for other iio values */
> --
> 2.40.1
>


--
With Best Regards,
Andy Shevchenko