diff options
Diffstat (limited to 'drivers/hwmon/w83627ehf.c')
| -rw-r--r-- | drivers/hwmon/w83627ehf.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 250f6b059a54..956e7f830aa6 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -41,6 +41,8 @@ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon.h> +#include <linux/err.h> #include <asm/io.h> #include "lm75.h" @@ -177,6 +179,7 @@ temp1_to_reg(int temp) struct w83627ehf_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore lock; struct semaphore update_lock; @@ -723,6 +726,12 @@ static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind) data->has_fan |= (1 << 4); /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_detach; + } + device_create_file(&client->dev, &dev_attr_fan1_input); device_create_file(&client->dev, &dev_attr_fan1_min); device_create_file(&client->dev, &dev_attr_fan1_div); @@ -756,6 +765,8 @@ static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +exit_detach: + i2c_detach_client(client); exit_free: kfree(data); exit_release: @@ -773,15 +784,18 @@ static int w83627ehf_attach_adapter(struct i2c_adapter *adapter) static int w83627ehf_detach_client(struct i2c_client *client) { + struct w83627ehf_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; } release_region(client->addr, REGION_LENGTH); - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |