linux-kernel - [PATCH v5 4/7] iio: common: scmi_sensors: use HZ macro from units.h

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Message-ID: <20220812165243.22177-5-ddrokosov@sberdevices.ru>
Date:   Fri, 12 Aug 2022 16:52:27 +0000
From:   Dmitry Rokosov <DDRokosov@...rdevices.ru>
To:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
        "christophe.jaillet@...adoo.fr" <christophe.jaillet@...adoo.fr>,
        "stano.jakubek@...il.com" <stano.jakubek@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "stephan@...hold.net" <stephan@...hold.net>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "wsa@...nel.org" <wsa@...nel.org>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "Michael.Hennerich@...log.com" <Michael.Hennerich@...log.com>,
        "jbhayana@...gle.com" <jbhayana@...gle.com>,
        "lucas.demarchi@...el.com" <lucas.demarchi@...el.com>,
        "jani.nikula@...el.com" <jani.nikula@...el.com>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>
CC:     "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        kernel <kernel@...rdevices.ru>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dmitry Rokosov <DDRokosov@...rdevices.ru>
Subject: [PATCH v5 4/7] iio: common: scmi_sensors: use HZ macro from units.h

Remove duplicated definition of UHZ_PER_HZ, because it's available in
the units.h as MICROHZ_PER_HZ.

Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 drivers/iio/common/scmi_sensors/scmi_iio.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/common/scmi_sensors/scmi_iio.c b/drivers/iio/common/scmi_sensors/scmi_iio.c
index 793d628db55f..54ccf19ab2bb 100644
--- a/drivers/iio/common/scmi_sensors/scmi_iio.c
+++ b/drivers/iio/common/scmi_sensors/scmi_iio.c
@@ -18,6 +18,7 @@
 #include <linux/scmi_protocol.h>
 #include <linux/time.h>
 #include <linux/types.h>
+#include <linux/units.h>
 
 #define SCMI_IIO_NUM_OF_AXIS 3
 
@@ -130,7 +131,6 @@ static const struct iio_buffer_setup_ops scmi_iio_buffer_ops = {
 static int scmi_iio_set_odr_val(struct iio_dev *iio_dev, int val, int val2)
 {
 	struct scmi_iio_priv *sensor = iio_priv(iio_dev);
-	const unsigned long UHZ_PER_HZ = 1000000UL;
 	u64 sec, mult, uHz, sf;
 	u32 sensor_config;
 	char buf[32];
@@ -145,7 +145,7 @@ static int scmi_iio_set_odr_val(struct iio_dev *iio_dev, int val, int val2)
 		return err;
 	}
 
-	uHz = val * UHZ_PER_HZ + val2;
+	uHz = val * MICROHZ_PER_HZ + val2;
 
 	/*
 	 * The seconds field in the sensor interval in SCMI is 16 bits long
@@ -156,10 +156,10 @@ static int scmi_iio_set_odr_val(struct iio_dev *iio_dev, int val, int val2)
 	 * count the number of characters
 	 */
 	sf = (u64)uHz * 0xFFFF;
-	do_div(sf,  UHZ_PER_HZ);
+	do_div(sf,  MICROHZ_PER_HZ);
 	mult = scnprintf(buf, sizeof(buf), "%llu", sf) - 1;
 
-	sec = int_pow(10, mult) * UHZ_PER_HZ;
+	sec = int_pow(10, mult) * MICROHZ_PER_HZ;
 	do_div(sec, uHz);
 	if (sec == 0) {
 		dev_err(&iio_dev->dev,
-- 
2.36.0