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From:   Herve Codina <herve.codina@bootlin.com>
To:     Herve Codina <herve.codina@bootlin.com>,
        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>,
        Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
        Wojciech Ziemba <wojciech.ziemba@intel.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: [PATCH v6 08/13] iio: inkern: Use max_array() to get the maximum value from an array
Date:   Fri, 23 Jun 2023 10:58:25 +0200
Message-Id: <20230623085830.749991-9-herve.codina@bootlin.com>
In-Reply-To: <20230623085830.749991-1-herve.codina@bootlin.com>
References: <20230623085830.749991-1-herve.codina@bootlin.com>
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Use max_array() to get the maximum value from an array instead of a
custom local loop.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 = 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