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path: root/drivers/hwmon/lm92.c
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Diffstat (limited to 'drivers/hwmon/lm92.c')
-rw-r--r--drivers/hwmon/lm92.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 215c8e40ffdd..647b7c7cd575 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -44,17 +44,16 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
-
+#include <linux/hwmon.h>
+#include <linux/err.h>
/* The LM92 and MAX6635 have 2 two-state pins for address selection,
resulting in 4 possible addresses. */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
-SENSORS_INSMOD_1(lm92);
+I2C_CLIENT_INSMOD_1(lm92);
/* The LM92 registers */
#define LM92_REG_CONFIG 0x01 /* 8-bit, RW */
@@ -96,6 +95,7 @@ static struct i2c_driver lm92_driver;
/* Client data (each client gets its own) */
struct lm92_data {
struct i2c_client client;
+ struct class_device *class_dev;
struct semaphore update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@@ -359,6 +359,12 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
lm92_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 exit_detach;
+ }
+
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp1_crit);
device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
@@ -370,6 +376,8 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_free:
kfree(data);
exit:
@@ -380,20 +388,20 @@ static int lm92_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
- return i2c_detect(adapter, &addr_data, lm92_detect);
+ return i2c_probe(adapter, &addr_data, lm92_detect);
}
static int lm92_detach_client(struct i2c_client *client)
{
+ struct lm92_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;
}