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path: root/drivers/hwmon/lm80.c
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Diffstat (limited to 'drivers/hwmon/lm80.c')
-rw-r--r--drivers/hwmon/lm80.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 8100595feb44..83af8b3a0cac 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -26,15 +26,15 @@
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
-SENSORS_INSMOD_1(lm80);
+I2C_CLIENT_INSMOD_1(lm80);
/* Many LM80 constants specified below */
@@ -107,6 +107,7 @@ static inline long TEMP_FROM_REG(u16 temp)
struct lm80_data {
struct i2c_client client;
+ struct class_device *class_dev;
struct semaphore update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@@ -389,7 +390,7 @@ static int lm80_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
- return i2c_detect(adapter, &addr_data, lm80_detect);
+ return i2c_probe(adapter, &addr_data, lm80_detect);
}
int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
@@ -451,6 +452,12 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
data->fan_min[1] = lm80_read_value(new_client, LM80_REG_FAN_MIN(2));
/* 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 error_detach;
+ }
+
device_create_file(&new_client->dev, &dev_attr_in0_min);
device_create_file(&new_client->dev, &dev_attr_in1_min);
device_create_file(&new_client->dev, &dev_attr_in2_min);
@@ -487,6 +494,8 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
+error_detach:
+ i2c_detach_client(new_client);
error_free:
kfree(data);
exit:
@@ -495,15 +504,15 @@ exit:
static int lm80_detach_client(struct i2c_client *client)
{
+ struct lm80_data *data = i2c_get_clientdata(client);
int err;
- if ((err = i2c_detach_client(client))) {
- dev_err(&client->dev, "Client deregistration failed, "
- "client not detached.\n");
+ hwmon_device_unregister(data->class_dev);
+
+ if ((err = i2c_detach_client(client)))
return err;
- }
- kfree(i2c_get_clientdata(client));
+ kfree(data);
return 0;
}