diff options
Diffstat (limited to 'drivers/hwmon/adm1021.c')
| -rw-r--r-- | drivers/hwmon/adm1021.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index d2c774c32f45..a483d96e4cef 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -25,6 +25,8 @@ #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon.h> +#include <linux/err.h> /* Addresses to scan */ @@ -89,6 +91,7 @@ clearing it. Weird, ey? --Phil */ /* Each client has this additional data */ struct adm1021_data { struct i2c_client client; + struct class_device *class_dev; enum chips type; struct semaphore update_lock; @@ -295,6 +298,12 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) adm1021_init_client(new_client); /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto error2; + } + device_create_file(&new_client->dev, &dev_attr_temp1_max); device_create_file(&new_client->dev, &dev_attr_temp1_min); device_create_file(&new_client->dev, &dev_attr_temp1_input); @@ -305,6 +314,8 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +error2: + i2c_detach_client(new_client); error1: kfree(data); error0: @@ -322,14 +333,17 @@ static void adm1021_init_client(struct i2c_client *client) static int adm1021_detach_client(struct i2c_client *client) { + struct adm1021_data *data = i2c_get_clientdata(client); int err; + hwmon_device_unregister(data->class_dev); + if ((err = i2c_detach_client(client))) { dev_err(&client->dev, "Client deregistration failed, client not detached.\n"); return err; } - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |