Re: [PATCH v5 08/13] iio: inkern: Use max_array() to get the maximum value from an array

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On Thu, 15 Jun 2023 17:26:26 +0200
Herve Codina <herve.codina@xxxxxxxxxxx> wrote:

> Use max_array() to get the maximum value from an array instead of a
> custom local loop.
> 
> Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  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 */




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