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path: root/drivers/hwmon/lm90.c
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Diffstat (limited to 'drivers/hwmon/lm90.c')
-rw-r--r--drivers/hwmon/lm90.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index a67dcadf7cb0..14de05fcd431 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -75,8 +75,9 @@
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
#include <linux/hwmon-sysfs.h>
+#include <linux/hwmon.h>
+#include <linux/err.h>
/*
* Addresses to scan
@@ -89,13 +90,12 @@
*/
static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
*/
-SENSORS_INSMOD_6(lm90, adm1032, lm99, lm86, max6657, adt7461);
+I2C_CLIENT_INSMOD_6(lm90, adm1032, lm99, lm86, max6657, adt7461);
/*
* The LM90 registers
@@ -200,6 +200,7 @@ static struct i2c_driver lm90_driver = {
struct lm90_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 */
@@ -352,7 +353,7 @@ static int lm90_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
- return i2c_detect(adapter, &addr_data, lm90_detect);
+ return i2c_probe(adapter, &addr_data, lm90_detect);
}
/*
@@ -500,6 +501,12 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
lm90_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,
&sensor_dev_attr_temp1_input.dev_attr);
device_create_file(&new_client->dev,
@@ -524,6 +531,8 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_free:
kfree(data);
exit:
@@ -547,15 +556,15 @@ static void lm90_init_client(struct i2c_client *client)
static int lm90_detach_client(struct i2c_client *client)
{
+ struct lm90_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;
}