hwmon: (f75375s) Fix checkpatch errors and warnings

Clean up driver to follow current coding style.

Cc: Riku Voipio <riku.voipio@iki.fi>
Reviewed-by: Bjoern Gerhart <oss@extracloud.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

1 files changed, 68 insertions, 18 deletions

diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 95cbfb3a7077..92b939b274b7 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -6,7 +6,7 @@
  * Datasheets available at:
  *
  * f75375:
- * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf 
+ * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf
  *
  * f75373:
  * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf
@@ -146,8 +146,8 @@ static inline int f75375_read8(struct i2c_client *client, u8 reg)
 /* in most cases, should be called while holding update_lock */
 static inline u16 f75375_read16(struct i2c_client *client, u8 reg)
 {
-        return ((i2c_smbus_read_byte_data(client, reg) << 8)
-                | i2c_smbus_read_byte_data(client, reg + 1));
+        return (i2c_smbus_read_byte_data(client, reg) << 8)
+                | i2c_smbus_read_byte_data(client, reg + 1);
 }
 
 static inline void f75375_write8(struct i2c_client *client, u8 reg,
@@ -226,14 +226,14 @@ static inline u16 rpm_from_reg(u16 reg)
 {
         if (reg == 0 || reg == 0xffff)
                 return 0;
-        return (1500000 / reg);
+        return 1500000 / reg;
 }
 
 static inline u16 rpm_to_reg(int rpm)
 {
         if (rpm < 367 || rpm > 0xffff)
                 return 0xffff;
-        return (1500000 / rpm);
+        return 1500000 / rpm;
 }
 
 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
@@ -242,7 +242,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         mutex_lock(&data->update_lock);
         data->fan_min[nr] = rpm_to_reg(val);
@@ -257,7 +262,12 @@ static ssize_t set_fan_exp(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         mutex_lock(&data->update_lock);
         data->fan_exp[nr] = rpm_to_reg(val);
@@ -272,7 +282,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         mutex_lock(&data->update_lock);
         data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
@@ -327,8 +342,12 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
-        int err = 0;
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         mutex_lock(&data->update_lock);
         err = set_pwm_enable_direct(client, nr, val);
@@ -342,8 +361,13 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
-        u8 conf = 0;
+        unsigned long val;
+        int err;
+        u8 conf;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         if (!(val == 0 || val == 1))
                 return -EINVAL;
@@ -410,7 +434,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
+
         val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff);
         mutex_lock(&data->update_lock);
         data->in_max[nr] = val;
@@ -425,7 +455,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtoul(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
+
         val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff);
         mutex_lock(&data->update_lock);
         data->in_min[nr] = val;
@@ -466,7 +502,13 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtol(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
+
         val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127);
         mutex_lock(&data->update_lock);
         data->temp_high[nr] = val;
@@ -481,7 +523,13 @@ static ssize_t set_temp_max_hyst(struct device *dev,
         int nr = to_sensor_dev_attr(attr)->index;
         struct i2c_client *client = to_i2c_client(dev);
         struct f75375_data *data = i2c_get_clientdata(client);
-        int val = simple_strtol(buf, NULL, 10);
+        unsigned long val;
+        int err;
+
+        err = kstrtoul(buf, 10, &val);
+        if (err < 0)
+                return err;
+
         val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127);
         mutex_lock(&data->update_lock);
         data->temp_max_hyst[nr] = val;
@@ -624,14 +672,16 @@ static int f75375_probe(struct i2c_client *client,
         if (!i2c_check_functionality(client->adapter,
                                 I2C_FUNC_SMBUS_BYTE_DATA))
                 return -EIO;
-        if (!(data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL)))
+        data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL);
+        if (!data)
                 return -ENOMEM;
 
         i2c_set_clientdata(client, data);
         mutex_init(&data->update_lock);
         data->kind = id->driver_data;
 
-        if ((err = sysfs_create_group(&client->dev.kobj, &f75375_group)))
+        err = sysfs_create_group(&client->dev.kobj, &f75375_group);
+        if (err)
                 goto exit_free;
 
         if (data->kind == f75375) {