From: Charlie Paul <cpaul.windri...@gmail.com>
The adt75 driver is redundant as this chip is already supported by the
(upstream) lm75 driver.
Signed-off-by: Charlie Paul <cpaul.windri...@gmail.com>
---
drivers/hwmon/adt75.c | 211 -------------------------------------------------
1 file changed, 211 deletions(-)
delete mode 100644 drivers/hwmon/adt75.c
diff --git a/drivers/hwmon/adt75.c b/drivers/hwmon/adt75.c
deleted file mode 100644
index 90d406c..0000000
--- a/drivers/hwmon/adt75.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * An hwmon driver for the Analog Devices ADT75
- *
- * Based on ad7418.c
- * Copyright (C) 2006-07 Tower Technologies
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License,
- * as published by the Free Software Foundation - version 2.
- */
-
-#include <linux/module.h>
-#include <linux/jiffies.h>
-#include <linux/i2c.h>
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-#include <linux/err.h>
-#include <linux/mutex.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include "lm75.h"
-
-#define DRV_VERSION "0.1"
-
-/* ADT75 registers */
-#define ADT75_REG_TEMP_IN 0x00
-#define ADT75_REG_CONF 0x01
-#define ADT75_REG_TEMP_HYST 0x02
-#define ADT75_REG_TEMP_OS 0x03
-
-static const u8 ADT75_REG_TEMP[] = { ADT75_REG_TEMP_IN,
- ADT75_REG_TEMP_HYST,
- ADT75_REG_TEMP_OS };
-
-struct adt75_data {
- struct device *hwmon_dev;
- struct attribute_group attrs;
- struct mutex lock;
- char valid;
- unsigned long last_updated; /* In jiffies */
- s16 temp[3]; /* Register values */
-};
-
-static int adt75_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int adt75_remove(struct i2c_client *client);
-
-static const struct i2c_device_id adt75_id[] = {
- { "adt75", },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, adt75_id);
-
-static struct i2c_driver adt75_driver = {
- .driver = {
- .name = "adt75",
- },
- .probe = adt75_probe,
- .remove = adt75_remove,
- .id_table = adt75_id,
-};
-
-static inline int adt75_read(struct i2c_client *client, u8 reg)
-{
- return i2c_smbus_read_word_data(client, reg);
-}
-
-static inline int adt75_write(struct i2c_client *client, u8 reg, u16 value)
-{
- return i2c_smbus_write_word_data(client, reg, value);
-}
-
-static void adt75_init_client(struct i2c_client *client)
-{
- int ret = adt75_write(client, ADT75_REG_CONF, 0x0000);
- if (ret < 0)
- dev_err(&client->dev, "cannot write configuration register\n");
-}
-
-static struct adt75_data *adt75_update_device(struct device *dev)
-{
- int i;
- struct i2c_client *client = to_i2c_client(dev);
- struct adt75_data *data = i2c_get_clientdata(client);
-
- mutex_lock(&data->lock);
-
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
-
- for (i = 0; i < 3; i++)
- data->temp[i] = adt75_read(client, ADT75_REG_TEMP[i]);
-
- data->last_updated = jiffies;
- data->valid = 1;
- }
-
- mutex_unlock(&data->lock);
-
- return data;
-}
-
-static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
- char *buf)
-{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct adt75_data *data = adt75_update_device(dev);
- return sprintf(buf, "%d\n",
- LM75_TEMP_FROM_REG(data->temp[attr->index]));
-}
-
-static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
- const char *buf, size_t count)
-{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt75_data *data = i2c_get_clientdata(client);
- long temp = simple_strtol(buf, NULL, 10);
-
- mutex_lock(&data->lock);
- data->temp[attr->index] = LM75_TEMP_TO_REG(temp);
- adt75_write(client,
- ADT75_REG_TEMP[attr->index],
- data->temp[attr->index]);
- mutex_unlock(&data->lock);
- return count;
-}
-
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
- show_temp, set_temp, 1);
-static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
- show_temp, set_temp, 2);
-
-static struct attribute *adt75_attributes[] = {
- &sensor_dev_attr_temp1_max.dev_attr.attr,
- &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
- &sensor_dev_attr_temp1_input.dev_attr.attr,
- NULL
-};
-
-static int adt75_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct adt75_data *data;
- int err;
-
- data = kzalloc(sizeof(struct adt75_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit;
- }
-
- i2c_set_clientdata(client, data);
-
- mutex_init(&data->lock);
- data->attrs.attrs = adt75_attributes;
-
- dev_info(&client->dev, "%s chip found\n", client->name);
-
- /* Initialize the ADT75 chip */
- adt75_init_client(client);
-
- /* Register sysfs hooks */
- err = sysfs_create_group(&client->dev.kobj, &data->attrs);
- if (err)
- goto exit_free;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
-
- return 0;
-
-exit_remove:
- sysfs_remove_group(&client->dev.kobj, &data->attrs);
-exit_free:
- kfree(data);
-exit:
- return err;
-}
-
-static int adt75_remove(struct i2c_client *client)
-{
- struct adt75_data *data = i2c_get_clientdata(client);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &data->attrs);
- kfree(data);
- return 0;
-}
-
-static int __init adt75_init(void)
-{
- return i2c_add_driver(&adt75_driver);
-}
-
-static void __exit adt75_exit(void)
-{
- i2c_del_driver(&adt75_driver);
-}
-
-MODULE_AUTHOR("Alessandro Zummo <a.zu...@towertech.it>");
-MODULE_DESCRIPTION("ADT75 driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
-
-module_init(adt75_init);
-module_exit(adt75_exit);
--
1.7.9.5
--
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