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 66107b4dc12a23531eb7d0908f3c6f967fd9ce23..1852f27bac51fbd9a37a6abe07fe10b50b9b7a6c 100644 (file)
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -204,8 +204,6 @@ I2C_CLIENT_INSMOD_1(adt7462);
 #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 @@ static ssize_t set_temp_min(struct device *dev,
        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 @@ static ssize_t set_temp_max(struct device *dev,
        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 @@ static ssize_t set_volt_max(struct device *dev,
                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 @@ static ssize_t set_volt_min(struct device *dev,
                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 @@ static ssize_t set_pwm_hyst(struct device *dev,
        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 @@ static ssize_t set_pwm_tmin(struct device *dev,
        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);

diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 1311a595147e17a136fbe5dbe1b81ebaa635acfe..da6c9306ca5fc6e95448e6dac3c170d6ad6f4d62 100644 (file)
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -137,8 +137,6 @@ I2C_CLIENT_INSMOD_1(adt7470);
 #define FAN_PERIOD_INVALID     65535
 #define FAN_DATA_VALID(x)      ((x) && (x) != FAN_PERIOD_INVALID)
 
-#define ROUND_DIV(x, divisor)  (((x) + ((divisor) / 2)) / (divisor))
-
 struct adt7470_data {
        struct device           *hwmon_dev;
        struct attribute_group  attrs;
@@ -360,7 +358,7 @@ static ssize_t set_temp_min(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);
@@ -394,7 +392,7 @@ static ssize_t set_temp_max(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);
@@ -671,7 +669,7 @@ static ssize_t set_pwm_tmin(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);

diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c
index 18aa30866a6c53deccb0dc5eeda470dd9b5efd1d..0a6ce2367b42ae62bf2644a30bd2b5a739be2df4 100644 (file)
--- a/drivers/hwmon/adt7473.c
+++ b/drivers/hwmon/adt7473.c
@@ -129,8 +129,6 @@ I2C_CLIENT_INSMOD_1(adt7473);
 #define FAN_PERIOD_INVALID     65535
 #define FAN_DATA_VALID(x)      ((x) && (x) != FAN_PERIOD_INVALID)
 
-#define ROUND_DIV(x, divisor)  (((x) + ((divisor) / 2)) / (divisor))
-
 struct adt7473_data {
        struct device           *hwmon_dev;
        struct attribute_group  attrs;
@@ -459,7 +457,7 @@ static ssize_t set_temp_min(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -495,7 +493,7 @@ static ssize_t set_temp_max(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -720,7 +718,7 @@ static ssize_t set_temp_tmax(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -756,7 +754,7 @@ static ssize_t set_temp_tmin(struct device *dev,
        if (strict_strtol(buf, 10, &temp))
                return -EINVAL;
 
-       temp = ROUND_DIV(temp, 1000);
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);