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path: root/drivers/hwmon/smm665.c
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Diffstat (limited to 'drivers/hwmon/smm665.c')
-rw-r--r--drivers/hwmon/smm665.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c
index 411638181fd8..cbc51fb30dba 100644
--- a/drivers/hwmon/smm665.c
+++ b/drivers/hwmon/smm665.c
@@ -124,9 +124,9 @@ enum chips { smm465, smm665, smm665c, smm764, smm766 };
#define SMM665_AIN_ADC_TO_VOLTS(adc) ((adc) * vref / 512)
/* Temp Sensor */
-#define SMM665_TEMP_ADC_TO_CELSIUS(adc) ((adc) <= 511) ? \
+#define SMM665_TEMP_ADC_TO_CELSIUS(adc) (((adc) <= 511) ? \
((int)(adc) * 1000 / 4) : \
- (((int)(adc) - 0x400) * 1000 / 4)
+ (((int)(adc) - 0x400) * 1000 / 4))
#define SMM665_NUM_ADC 11
@@ -376,7 +376,7 @@ static ssize_t smm665_show_input(struct device *dev,
}
#define SMM665_SHOW(what) \
- static ssize_t smm665_show_##what(struct device *dev, \
+static ssize_t smm665_show_##what(struct device *dev, \
struct device_attribute *da, char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
@@ -389,7 +389,8 @@ SMM665_SHOW(max);
SMM665_SHOW(lcrit);
SMM665_SHOW(crit);
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
* for use with sysfs_create_group() to make a sysfs device file
* for each register.
*/
@@ -583,10 +584,9 @@ static int smm665_probe(struct i2c_client *client,
if (i2c_smbus_read_byte_data(client, SMM665_ADOC_ENABLE) < 0)
return -ENODEV;
- ret = -ENOMEM;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
- goto out_return;
+ return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@@ -595,7 +595,7 @@ static int smm665_probe(struct i2c_client *client,
data->cmdreg = i2c_new_dummy(adapter, (client->addr & ~SMM665_REGMASK)
| SMM665_CMDREG_BASE);
if (!data->cmdreg)
- goto out_kfree;
+ return -ENOMEM;
switch (data->type) {
case smm465:
@@ -678,9 +678,6 @@ out_remove_group:
sysfs_remove_group(&client->dev.kobj, &smm665_group);
out_unregister:
i2c_unregister_device(data->cmdreg);
-out_kfree:
- kfree(data);
-out_return:
return ret;
}
@@ -692,8 +689,6 @@ static int smm665_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &smm665_group);
- kfree(data);
-
return 0;
}
@@ -718,19 +713,8 @@ static struct i2c_driver smm665_driver = {
.id_table = smm665_id,
};
-static int __init smm665_init(void)
-{
- return i2c_add_driver(&smm665_driver);
-}
-
-static void __exit smm665_exit(void)
-{
- i2c_del_driver(&smm665_driver);
-}
+module_i2c_driver(smm665_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("SMM665 driver");
MODULE_LICENSE("GPL");
-
-module_init(smm665_init);
-module_exit(smm665_exit);