linux-kernel - [PATCH v4 04/12] platform/x86: intel_menlow: switch to use <linux/units.h> helpers

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Message-Id: <1576386975-7941-5-git-send-email-akinobu.mita@gmail.com>
Date:   Sun, 15 Dec 2019 14:16:07 +0900
From:   Akinobu Mita <akinobu.mita@...il.com>
To:     linux-nvme@...ts.infradead.org, linux-hwmon@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org
Cc:     Akinobu Mita <akinobu.mita@...il.com>,
        Sujith Thomas <sujith.thomas@...el.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Subject: [PATCH v4 04/12] platform/x86: intel_menlow: switch to use <linux/units.h> helpers

This switches the intel_menlow driver to use deci_kelvin_to_celsius() and
celsius_to_deci_kelvin() in <linux/units.h> instead of helpers in
<linux/thermal.h>.

This is preparation for centralizing the kelvin to/from Celsius conversion
helpers in <linux/units.h>.

This also removes a trailing space, while we're at it.

Cc: Sujith Thomas <sujith.thomas@...el.com>
Cc: Darren Hart <dvhart@...radead.org>
Cc: Andy Shevchenko <andy@...radead.org>
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: Amit Kucheria <amit.kucheria@...durent.com>
Cc: Jean Delvare <jdelvare@...e.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Keith Busch <kbusch@...nel.org>
Cc: Jens Axboe <axboe@...com>
Cc: Christoph Hellwig <hch@....de>
Cc: Sagi Grimberg <sagi@...mberg.me>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
---
* No changes from v3

 drivers/platform/x86/intel_menlow.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index b102f6d..101d7e7 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -22,6 +22,7 @@
 #include <linux/slab.h>
 #include <linux/thermal.h>
 #include <linux/types.h>
+#include <linux/units.h>
 
 MODULE_AUTHOR("Thomas Sujith");
 MODULE_AUTHOR("Zhang Rui");
@@ -302,8 +303,10 @@ static ssize_t aux_show(struct device *dev, struct device_attribute *dev_attr,
 	int result;
 
 	result = sensor_get_auxtrip(attr->handle, idx, &value);
+	if (result)
+		return result;
 
-	return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
+	return sprintf(buf, "%lu", deci_kelvin_to_celsius(value));
 }
 
 static ssize_t aux0_show(struct device *dev,
@@ -332,8 +335,8 @@ static ssize_t aux_store(struct device *dev, struct device_attribute *dev_attr,
 	if (value < 0)
 		return -EINVAL;
 
-	result = sensor_set_auxtrip(attr->handle, idx, 
-				    CELSIUS_TO_DECI_KELVIN(value));
+	result = sensor_set_auxtrip(attr->handle, idx,
+				    celsius_to_deci_kelvin(value));
 	return result ? result : count;
 }
 
-- 
2.7.4