diff options
| -rw-r--r-- | drivers/hwmon/f75375s.c | 86 |
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) { |