* Copyright (C) 1999 Frodo Looijaard <frodol@dds.nl>
* Philip Edelbrock <phil@netroedge.com>
* Copyright (C) 2003 Michiel Rook <michiel@grendelproject.nl>
- * Copyright (C) 2005 Grant Coady <gcoady@gmail.com> with valuable
+ * Copyright (C) 2005 Grant Coady <gcoady.lk@gmail.com> with valuable
* guidance from Jean Delvare
*
* Driver supports Analog Devices ADM9240
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
+#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
enum chips type;
struct i2c_client client;
struct class_device *class_dev;
- struct semaphore update_lock;
+ struct mutex update_lock;
char valid;
unsigned long last_updated_measure;
unsigned long last_updated_config;
struct adm9240_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
data->temp_max[attr->index]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, attr->index);
i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
data->in_min[attr->index]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, attr->index);
i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
data->in_max[attr->index]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int nr = attr->index;
u8 new_div;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (!val) {
data->fan_min[nr] = 255;
i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr),
data->fan_min[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
}
static DEVICE_ATTR(chassis_clear, S_IWUSR, NULL, chassis_clear);
+static struct attribute *adm9240_attributes[] = {
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in1_min.dev_attr.attr,
+ &sensor_dev_attr_in1_max.dev_attr.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in2_min.dev_attr.attr,
+ &sensor_dev_attr_in2_max.dev_attr.attr,
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+ &sensor_dev_attr_in3_min.dev_attr.attr,
+ &sensor_dev_attr_in3_max.dev_attr.attr,
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
+ &sensor_dev_attr_in5_input.dev_attr.attr,
+ &sensor_dev_attr_in5_min.dev_attr.attr,
+ &sensor_dev_attr_in5_max.dev_attr.attr,
+ &dev_attr_temp1_input.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_div.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan2_input.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr,
+ &sensor_dev_attr_fan2_min.dev_attr.attr,
+ &dev_attr_alarms.attr,
+ &dev_attr_aout_output.attr,
+ &dev_attr_chassis_clear.attr,
+ &dev_attr_cpu0_vid.attr,
+ NULL
+};
+
+static const struct attribute_group adm9240_group = {
+ .attrs = adm9240_attributes,
+};
+
/*** sensor chip detect and driver install ***/
/* fill in the remaining client fields and attach */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->type = kind;
- init_MUTEX(&data->update_lock);
+ mutex_init(&data->update_lock);
if ((err = i2c_attach_client(new_client)))
goto exit_free;
adm9240_init_client(new_client);
/* populate sysfs filesystem */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group)))
+ goto exit_detach;
+
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
- goto exit_detach;
+ goto exit_remove;
}
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in0_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in0_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in0_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in1_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in1_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in1_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in2_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in2_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in2_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in3_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in3_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in3_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in4_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in5_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in5_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_in5_max.dev_attr);
- device_create_file(&new_client->dev, &dev_attr_temp1_input);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_max_hyst.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_div.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_div.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_min.dev_attr);
- device_create_file(&new_client->dev, &dev_attr_alarms);
- device_create_file(&new_client->dev, &dev_attr_aout_output);
- device_create_file(&new_client->dev, &dev_attr_chassis_clear);
- device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
-
return 0;
+exit_remove:
+ sysfs_remove_group(&new_client->dev.kobj, &adm9240_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &adm9240_group);
if ((err = i2c_detach_client(client)))
return err;
struct adm9240_data *data = i2c_get_clientdata(client);
int i;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
/* minimum measurement cycle: 1.75 seconds */
if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
data->last_updated_config = jiffies;
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
}
MODULE_AUTHOR("Michiel Rook <michiel@grendelproject.nl>, "
- "Grant Coady <gcoady@gmail.com> and others");
+ "Grant Coady <gcoady.lk@gmail.com> and others");
MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver");
MODULE_LICENSE("GPL");