adt74{62, 70, 73}: Use DIV_ROUND_CLOSEST for rounded division
Modify some hwmon drivers to use DIV_ROUND_CLOSEST instead of bloating
source with (naughty) macros.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index 66107b4..1852f27 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -204,8 +204,6 @@
#define MASK_AND_SHIFT(value, prefix) \
(((value) & prefix##_MASK) >> prefix##_SHIFT)
-#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor))
-
struct adt7462_data {
struct device *hwmon_dev;
struct attribute_group attrs;
@@ -840,7 +838,7 @@
if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index))
return -EINVAL;
- temp = ROUND_DIV(temp, 1000) + 64;
+ temp = DIV_ROUND_CLOSEST(temp, 1000) + 64;
temp = SENSORS_LIMIT(temp, 0, 255);
mutex_lock(&data->lock);
@@ -878,7 +876,7 @@
if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index))
return -EINVAL;
- temp = ROUND_DIV(temp, 1000) + 64;
+ temp = DIV_ROUND_CLOSEST(temp, 1000) + 64;
temp = SENSORS_LIMIT(temp, 0, 255);
mutex_lock(&data->lock);
@@ -943,7 +941,7 @@
return -EINVAL;
temp *= 1000; /* convert mV to uV */
- temp = ROUND_DIV(temp, x);
+ temp = DIV_ROUND_CLOSEST(temp, x);
temp = SENSORS_LIMIT(temp, 0, 255);
mutex_lock(&data->lock);
@@ -985,7 +983,7 @@
return -EINVAL;
temp *= 1000; /* convert mV to uV */
- temp = ROUND_DIV(temp, x);
+ temp = DIV_ROUND_CLOSEST(temp, x);
temp = SENSORS_LIMIT(temp, 0, 255);
mutex_lock(&data->lock);
@@ -1250,7 +1248,7 @@
if (strict_strtol(buf, 10, &temp))
return -EINVAL;
- temp = ROUND_DIV(temp, 1000);
+ temp = DIV_ROUND_CLOSEST(temp, 1000);
temp = SENSORS_LIMIT(temp, 0, 15);
/* package things up */
@@ -1337,7 +1335,7 @@
if (strict_strtol(buf, 10, &temp))
return -EINVAL;
- temp = ROUND_DIV(temp, 1000) + 64;
+ temp = DIV_ROUND_CLOSEST(temp, 1000) + 64;
temp = SENSORS_LIMIT(temp, 0, 255);
mutex_lock(&data->lock);