diff options
Diffstat (limited to 'drivers/hwmon/atxp1.c')
| -rw-r--r-- | drivers/hwmon/atxp1.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index fca3fc1cef72..5f79f07a4ab8 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -25,6 +25,8 @@ #include <linux/i2c.h> #include <linux/i2c-sensor.h> #include <linux/i2c-vid.h> +#include <linux/hwmon.h> +#include <linux/err.h> MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("System voltages control via Attansic ATXP1"); @@ -59,6 +61,7 @@ static struct i2c_driver atxp1_driver = { struct atxp1_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore update_lock; unsigned long last_updated; u8 valid; @@ -317,6 +320,12 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_free; } + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_detach; + } + device_create_file(&new_client->dev, &dev_attr_gpio1); device_create_file(&new_client->dev, &dev_attr_gpio2); device_create_file(&new_client->dev, &dev_attr_cpu0_vid); @@ -326,6 +335,8 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -334,14 +345,17 @@ exit: static int atxp1_detach_client(struct i2c_client * client) { + struct atxp1_data * data = i2c_get_clientdata(client); int err; + hwmon_device_unregister(data->class_dev); + err = i2c_detach_client(client); if (err) dev_err(&client->dev, "Failed to detach client.\n"); else - kfree(i2c_get_clientdata(client)); + kfree(data); return err; }; |