diff options
Diffstat (limited to 'drivers/hwmon/w83793.c')
-rw-r--r-- | drivers/hwmon/w83793.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index e7d0484eabe4..0a65d164c8f0 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -202,10 +202,9 @@ static inline s8 TEMP_TO_REG(long val, s8 min, s8 max) } struct w83793_data { - struct i2c_client *lm75[2]; struct device *hwmon_dev; struct mutex update_lock; - char valid; /* !=0 if following fields are valid */ + bool valid; /* true if following fields are valid */ unsigned long last_updated; /* In jiffies */ unsigned long last_nonvolatile; /* In jiffies, last time we update the * nonvolatile registers @@ -453,7 +452,7 @@ store_chassis_clear(struct device *dev, mutex_lock(&data->update_lock); reg = w83793_read_value(client, W83793_REG_CLR_CHASSIS); w83793_write_value(client, W83793_REG_CLR_CHASSIS, reg | 0x80); - data->valid = 0; /* Force cache refresh */ + data->valid = false; /* Force cache refresh */ mutex_unlock(&data->update_lock); return count; } @@ -1566,7 +1565,6 @@ w83793_detect_subclients(struct i2c_client *client) int address = client->addr; u8 tmp; struct i2c_adapter *adapter = client->adapter; - struct w83793_data *data = i2c_get_clientdata(client); id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -1586,21 +1584,19 @@ w83793_detect_subclients(struct i2c_client *client) } tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR); - if (!(tmp & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + (tmp & 0x7)); - if (!(tmp & 0x80)) { - if (!IS_ERR(data->lm75[0]) - && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) { - dev_err(&client->dev, - "duplicate addresses 0x%x, " - "use force_subclients\n", data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + ((tmp >> 4) & 0x7)); + + if (!(tmp & 0x88) && (tmp & 0x7) == ((tmp >> 4) & 0x7)) { + dev_err(&client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (tmp & 0x7)); + return -ENODEV; } + if (!(tmp & 0x08)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (tmp & 0x7)); + + if (!(tmp & 0x80)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((tmp >> 4) & 0x7)); + return 0; } @@ -2081,7 +2077,7 @@ static struct w83793_data *w83793_update_device(struct device *dev) data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB); w83793_update_nonvolatile(dev); data->last_updated = jiffies; - data->valid = 1; + data->valid = true; END: mutex_unlock(&data->update_lock); |