doc: add suggestions about good practises for maintainers
[safe/jmp/linux-2.6] / drivers / hwmon / lm78.c
index cfb0897..ed7859f 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/ioport.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <asm/io.h>
 static struct platform_device *pdev;
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24,
-                                       0x25, 0x26, 0x27, 0x28, 0x29,
-                                       0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
-                                       0x2f, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
+                                               0x2e, 0x2f, I2C_CLIENT_END };
 static unsigned short isa_address = 0x290;
 
 /* Insmod parameters */
@@ -130,7 +129,7 @@ static inline int TEMP_FROM_REG(s8 val)
    the driver field to differentiate between I2C and ISA chips. */
 struct lm78_data {
        struct i2c_client client;
-       struct class_device *class_dev;
+       struct device *hwmon_dev;
        struct mutex lock;
        enum chips type;
 
@@ -159,17 +158,16 @@ static int lm78_detach_client(struct i2c_client *client);
 static int __devinit lm78_isa_probe(struct platform_device *pdev);
 static int __devexit lm78_isa_remove(struct platform_device *pdev);
 
-static int lm78_read_value(struct i2c_client *client, u8 reg);
-static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value);
+static int lm78_read_value(struct lm78_data *data, u8 reg);
+static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value);
 static struct lm78_data *lm78_update_device(struct device *dev);
-static void lm78_init_client(struct i2c_client *client);
+static void lm78_init_device(struct lm78_data *data);
 
 
 static struct i2c_driver lm78_driver = {
        .driver = {
                .name   = "lm78",
        },
-       .id             = I2C_DRIVERID_LM78,
        .attach_adapter = lm78_attach_adapter,
        .detach_client  = lm78_detach_client,
 };
@@ -185,84 +183,67 @@ static struct platform_driver lm78_isa_driver = {
 
 
 /* 7 Voltages */
-static ssize_t show_in(struct device *dev, char *buf, int nr)
+static ssize_t show_in(struct device *dev, struct device_attribute *da,
+                      char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
-       return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
+       return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index]));
 }
 
-static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+static ssize_t show_in_min(struct device *dev, struct device_attribute *da,
+                          char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
-       return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
+       return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index]));
 }
 
-static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+static ssize_t show_in_max(struct device *dev, struct device_attribute *da,
+                          char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
-       return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
+       return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index]));
 }
 
-static ssize_t set_in_min(struct device *dev, const char *buf,
-               size_t count, int nr)
+static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
+                         const char *buf, size_t count)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
        unsigned long val = simple_strtoul(buf, NULL, 10);
+       int nr = attr->index;
 
        mutex_lock(&data->update_lock);
        data->in_min[nr] = IN_TO_REG(val);
-       lm78_write_value(client, LM78_REG_IN_MIN(nr), data->in_min[nr]);
+       lm78_write_value(data, LM78_REG_IN_MIN(nr), data->in_min[nr]);
        mutex_unlock(&data->update_lock);
        return count;
 }
 
-static ssize_t set_in_max(struct device *dev, const char *buf,
-               size_t count, int nr)
+static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
+                         const char *buf, size_t count)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
        unsigned long val = simple_strtoul(buf, NULL, 10);
+       int nr = attr->index;
 
        mutex_lock(&data->update_lock);
        data->in_max[nr] = IN_TO_REG(val);
-       lm78_write_value(client, LM78_REG_IN_MAX(nr), data->in_max[nr]);
+       lm78_write_value(data, LM78_REG_IN_MAX(nr), data->in_max[nr]);
        mutex_unlock(&data->update_lock);
        return count;
 }
        
 #define show_in_offset(offset)                                 \
-static ssize_t                                                 \
-       show_in##offset (struct device *dev, struct device_attribute *attr, char *buf)          \
-{                                                              \
-       return show_in(dev, buf, offset);                       \
-}                                                              \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO,                \
-               show_in##offset, NULL);                         \
-static ssize_t                                                 \
-       show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf)   \
-{                                                              \
-       return show_in_min(dev, buf, offset);                   \
-}                                                              \
-static ssize_t                                                 \
-       show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf)   \
-{                                                              \
-       return show_in_max(dev, buf, offset);                   \
-}                                                              \
-static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr,        \
-               const char *buf, size_t count)                  \
-{                                                              \
-       return set_in_min(dev, buf, count, offset);             \
-}                                                              \
-static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr,        \
-               const char *buf, size_t count)                  \
-{                                                              \
-       return set_in_max(dev, buf, count, offset);             \
-}                                                              \
-static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,                \
-               show_in##offset##_min, set_in##offset##_min);   \
-static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,                \
-               show_in##offset##_max, set_in##offset##_max);
+static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,         \
+               show_in, NULL, offset);                         \
+static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+               show_in_min, set_in_min, offset);               \
+static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+               show_in_max, set_in_max, offset);
 
 show_in_offset(0);
 show_in_offset(1);
@@ -273,46 +254,49 @@ show_in_offset(5);
 show_in_offset(6);
 
 /* Temperature */
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *da,
+                        char *buf)
 {
        struct lm78_data *data = lm78_update_device(dev);
        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
 }
 
-static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_over(struct device *dev, struct device_attribute *da,
+                             char *buf)
 {
        struct lm78_data *data = lm78_update_device(dev);
        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
 }
 
-static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
+                            const char *buf, size_t count)
 {
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
        long val = simple_strtol(buf, NULL, 10);
 
        mutex_lock(&data->update_lock);
        data->temp_over = TEMP_TO_REG(val);
-       lm78_write_value(client, LM78_REG_TEMP_OVER, data->temp_over);
+       lm78_write_value(data, LM78_REG_TEMP_OVER, data->temp_over);
        mutex_unlock(&data->update_lock);
        return count;
 }
 
-static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *da,
+                             char *buf)
 {
        struct lm78_data *data = lm78_update_device(dev);
        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
 }
 
-static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
+                            const char *buf, size_t count)
 {
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
        long val = simple_strtol(buf, NULL, 10);
 
        mutex_lock(&data->update_lock);
        data->temp_hyst = TEMP_TO_REG(val);
-       lm78_write_value(client, LM78_REG_TEMP_HYST, data->temp_hyst);
+       lm78_write_value(data, LM78_REG_TEMP_HYST, data->temp_hyst);
        mutex_unlock(&data->update_lock);
        return count;
 }
@@ -324,49 +308,59 @@ static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
                show_temp_hyst, set_temp_hyst);
 
 /* 3 Fans */
-static ssize_t show_fan(struct device *dev, char *buf, int nr)
+static ssize_t show_fan(struct device *dev, struct device_attribute *da,
+                       char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
+       int nr = attr->index;
        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
                DIV_FROM_REG(data->fan_div[nr])) );
 }
 
-static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
+                           char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
+       int nr = attr->index;
        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
                DIV_FROM_REG(data->fan_div[nr])) );
 }
 
-static ssize_t set_fan_min(struct device *dev, const char *buf,
-               size_t count, int nr)
+static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
+                          const char *buf, size_t count)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
+       int nr = attr->index;
        unsigned long val = simple_strtoul(buf, NULL, 10);
 
        mutex_lock(&data->update_lock);
        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
-       lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
+       lm78_write_value(data, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
        mutex_unlock(&data->update_lock);
        return count;
 }
 
-static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
+                           char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = lm78_update_device(dev);
-       return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+       return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
 }
 
 /* Note: we save and restore the fan minimum here, because its value is
    determined in part by the fan divisor.  This follows the principle of
    least surprise; the user doesn't expect the fan minimum to change just
    because the divisor changed. */
-static ssize_t set_fan_div(struct device *dev, const char *buf,
-       size_t count, int nr)
+static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
+                          const char *buf, size_t count)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
+       int nr = attr->index;
        unsigned long val = simple_strtoul(buf, NULL, 10);
        unsigned long min;
        u8 reg;
@@ -387,7 +381,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
                return -EINVAL;
        }
 
-       reg = lm78_read_value(client, LM78_REG_VID_FANDIV);
+       reg = lm78_read_value(data, LM78_REG_VID_FANDIV);
        switch (nr) {
        case 0:
                reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
@@ -396,63 +390,36 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
                reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
                break;
        }
-       lm78_write_value(client, LM78_REG_VID_FANDIV, reg);
+       lm78_write_value(data, LM78_REG_VID_FANDIV, reg);
 
        data->fan_min[nr] =
                FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
-       lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
+       lm78_write_value(data, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
        mutex_unlock(&data->update_lock);
 
        return count;
 }
 
-#define show_fan_offset(offset)                                                \
-static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf)        \
-{                                                                      \
-       return show_fan(dev, buf, offset - 1);                          \
-}                                                                      \
-static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf)  \
-{                                                                      \
-       return show_fan_min(dev, buf, offset - 1);                      \
-}                                                                      \
-static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf)  \
-{                                                                      \
-       return show_fan_div(dev, buf, offset - 1);                      \
-}                                                                      \
-static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr,              \
-               const char *buf, size_t count)                          \
-{                                                                      \
-       return set_fan_min(dev, buf, count, offset - 1);                \
-}                                                                      \
-static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,               \
-               show_fan_##offset##_min, set_fan_##offset##_min);
-
-static ssize_t set_fan_1_div(struct device *dev, struct device_attribute *attr, const char *buf,
-               size_t count)
-{
-       return set_fan_div(dev, buf, count, 0) ;
-}
-
-static ssize_t set_fan_2_div(struct device *dev, struct device_attribute *attr, const char *buf,
-               size_t count)
-{
-       return set_fan_div(dev, buf, count, 1) ;
-}
+#define show_fan_offset(offset)                                \
+static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                \
+               show_fan, NULL, offset - 1);                    \
+static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,        \
+               show_fan_min, set_fan_min, offset - 1);
 
 show_fan_offset(1);
 show_fan_offset(2);
 show_fan_offset(3);
 
 /* Fan 3 divisor is locked in H/W */
-static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
-               show_fan_1_div, set_fan_1_div);
-static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
-               show_fan_2_div, set_fan_2_div);
-static DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_3_div, NULL);
+static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
+               show_fan_div, set_fan_div, 0);
+static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
+               show_fan_div, set_fan_div, 1);
+static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2);
 
 /* VID */
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *da,
+                       char *buf)
 {
        struct lm78_data *data = lm78_update_device(dev);
        return sprintf(buf, "%d\n", vid_from_reg(data->vid, 82));
@@ -460,13 +427,33 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
 
 /* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *da,
+                          char *buf)
 {
        struct lm78_data *data = lm78_update_device(dev);
        return sprintf(buf, "%u\n", data->alarms);
 }
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *da,
+                         char *buf)
+{
+       struct lm78_data *data = lm78_update_device(dev);
+       int nr = to_sensor_dev_attr(da)->index;
+       return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
+}
+static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
+static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
+static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
+static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
+static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
+
 /* This function is called when:
      * lm78_driver is inserted (when this module is loaded), for each
        available adapter
@@ -479,39 +466,50 @@ static int lm78_attach_adapter(struct i2c_adapter *adapter)
 }
 
 static struct attribute *lm78_attributes[] = {
-       &dev_attr_in0_input.attr,
-       &dev_attr_in0_min.attr,
-       &dev_attr_in0_max.attr,
-       &dev_attr_in1_input.attr,
-       &dev_attr_in1_min.attr,
-       &dev_attr_in1_max.attr,
-       &dev_attr_in2_input.attr,
-       &dev_attr_in2_min.attr,
-       &dev_attr_in2_max.attr,
-       &dev_attr_in3_input.attr,
-       &dev_attr_in3_min.attr,
-       &dev_attr_in3_max.attr,
-       &dev_attr_in4_input.attr,
-       &dev_attr_in4_min.attr,
-       &dev_attr_in4_max.attr,
-       &dev_attr_in5_input.attr,
-       &dev_attr_in5_min.attr,
-       &dev_attr_in5_max.attr,
-       &dev_attr_in6_input.attr,
-       &dev_attr_in6_min.attr,
-       &dev_attr_in6_max.attr,
+       &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_in0_alarm.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_in1_alarm.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_in2_alarm.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_in3_alarm.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_in4_alarm.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,
+       &sensor_dev_attr_in5_alarm.dev_attr.attr,
+       &sensor_dev_attr_in6_input.dev_attr.attr,
+       &sensor_dev_attr_in6_min.dev_attr.attr,
+       &sensor_dev_attr_in6_max.dev_attr.attr,
+       &sensor_dev_attr_in6_alarm.dev_attr.attr,
        &dev_attr_temp1_input.attr,
        &dev_attr_temp1_max.attr,
        &dev_attr_temp1_max_hyst.attr,
-       &dev_attr_fan1_input.attr,
-       &dev_attr_fan1_min.attr,
-       &dev_attr_fan1_div.attr,
-       &dev_attr_fan2_input.attr,
-       &dev_attr_fan2_min.attr,
-       &dev_attr_fan2_div.attr,
-       &dev_attr_fan3_input.attr,
-       &dev_attr_fan3_min.attr,
-       &dev_attr_fan3_div.attr,
+       &sensor_dev_attr_temp1_alarm.dev_attr.attr,
+       &sensor_dev_attr_fan1_input.dev_attr.attr,
+       &sensor_dev_attr_fan1_min.dev_attr.attr,
+       &sensor_dev_attr_fan1_div.dev_attr.attr,
+       &sensor_dev_attr_fan1_alarm.dev_attr.attr,
+       &sensor_dev_attr_fan2_input.dev_attr.attr,
+       &sensor_dev_attr_fan2_min.dev_attr.attr,
+       &sensor_dev_attr_fan2_div.dev_attr.attr,
+       &sensor_dev_attr_fan2_alarm.dev_attr.attr,
+       &sensor_dev_attr_fan3_input.dev_attr.attr,
+       &sensor_dev_attr_fan3_min.dev_attr.attr,
+       &sensor_dev_attr_fan3_div.dev_attr.attr,
+       &sensor_dev_attr_fan3_alarm.dev_attr.attr,
        &dev_attr_alarms.attr,
        &dev_attr_cpu0_vid.attr,
 
@@ -563,11 +561,11 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 
        /* Now, we do the remaining detection. */
        if (kind < 0) {
-               if (lm78_read_value(new_client, LM78_REG_CONFIG) & 0x80) {
+               if (lm78_read_value(data, LM78_REG_CONFIG) & 0x80) {
                        err = -ENODEV;
                        goto ERROR2;
                }
-               if (lm78_read_value(new_client, LM78_REG_I2C_ADDR) !=
+               if (lm78_read_value(data, LM78_REG_I2C_ADDR) !=
                    address) {
                        err = -ENODEV;
                        goto ERROR2;
@@ -576,7 +574,7 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 
        /* Determine the chip type. */
        if (kind <= 0) {
-               i = lm78_read_value(new_client, LM78_REG_CHIPID);
+               i = lm78_read_value(data, LM78_REG_CHIPID);
                if (i == 0x00 || i == 0x20      /* LM78 */
                 || i == 0x40)                  /* LM78-J */
                        kind = lm78;
@@ -608,15 +606,15 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
                goto ERROR2;
 
        /* Initialize the LM78 chip */
-       lm78_init_client(new_client);
+       lm78_init_device(data);
 
        /* Register sysfs hooks */
        if ((err = sysfs_create_group(&new_client->dev.kobj, &lm78_group)))
                goto ERROR3;
 
-       data->class_dev = hwmon_device_register(&new_client->dev);
-       if (IS_ERR(data->class_dev)) {
-               err = PTR_ERR(data->class_dev);
+       data->hwmon_dev = hwmon_device_register(&new_client->dev);
+       if (IS_ERR(data->hwmon_dev)) {
+               err = PTR_ERR(data->hwmon_dev);
                goto ERROR4;
        }
 
@@ -637,7 +635,7 @@ static int lm78_detach_client(struct i2c_client *client)
        struct lm78_data *data = i2c_get_clientdata(client);
        int err;
 
-       hwmon_device_unregister(data->class_dev);
+       hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &lm78_group);
 
        if ((err = i2c_detach_client(client)))
@@ -671,7 +669,7 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
        i2c_set_clientdata(&data->client, data);
        platform_set_drvdata(pdev, data);
 
-       if (lm78_read_value(&data->client, LM78_REG_CHIPID) & 0x80) {
+       if (lm78_read_value(data, LM78_REG_CHIPID) & 0x80) {
                data->type = lm79;
                name = "lm79";
        } else {
@@ -681,16 +679,16 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
        strlcpy(data->client.name, name, I2C_NAME_SIZE);
 
        /* Initialize the LM78 chip */
-       lm78_init_client(&data->client);
+       lm78_init_device(data);
 
        /* Register sysfs hooks */
        if ((err = sysfs_create_group(&pdev->dev.kobj, &lm78_group))
         || (err = device_create_file(&pdev->dev, &dev_attr_name)))
                goto exit_remove_files;
 
-       data->class_dev = hwmon_device_register(&pdev->dev);
-       if (IS_ERR(data->class_dev)) {
-               err = PTR_ERR(data->class_dev);
+       data->hwmon_dev = hwmon_device_register(&pdev->dev);
+       if (IS_ERR(data->hwmon_dev)) {
+               err = PTR_ERR(data->hwmon_dev);
                goto exit_remove_files;
        }
 
@@ -710,7 +708,7 @@ static int __devexit lm78_isa_remove(struct platform_device *pdev)
 {
        struct lm78_data *data = platform_get_drvdata(pdev);
 
-       hwmon_device_unregister(data->class_dev);
+       hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&pdev->dev.kobj, &lm78_group);
        device_remove_file(&pdev->dev, &dev_attr_name);
        release_region(data->client.addr, LM78_EXTENT);
@@ -724,11 +722,12 @@ static int __devexit lm78_isa_remove(struct platform_device *pdev)
    separately.
    We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
    would slow down the LM78 access and should not be necessary.  */
-static int lm78_read_value(struct i2c_client *client, u8 reg)
+static int lm78_read_value(struct lm78_data *data, u8 reg)
 {
-       int res;
+       struct i2c_client *client = &data->client;
+
        if (!client->driver) { /* ISA device */
-               struct lm78_data *data = i2c_get_clientdata(client);
+               int res;
                mutex_lock(&data->lock);
                outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
                res = inb_p(client->addr + LM78_DATA_REG_OFFSET);
@@ -745,10 +744,11 @@ static int lm78_read_value(struct i2c_client *client, u8 reg)
    would slow down the LM78 access and should not be necessary. 
    There are some ugly typecasts here, but the good new is - they should
    nowhere else be necessary! */
-static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
+static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value)
 {
+       struct i2c_client *client = &data->client;
+
        if (!client->driver) { /* ISA device */
-               struct lm78_data *data = i2c_get_clientdata(client);
                mutex_lock(&data->lock);
                outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
                outb_p(value, client->addr + LM78_DATA_REG_OFFSET);
@@ -758,21 +758,20 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
                return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static void lm78_init_client(struct i2c_client *client)
+static void lm78_init_device(struct lm78_data *data)
 {
-       struct lm78_data *data = i2c_get_clientdata(client);
        u8 config;
        int i;
 
        /* Start monitoring */
-       config = lm78_read_value(client, LM78_REG_CONFIG);
+       config = lm78_read_value(data, LM78_REG_CONFIG);
        if ((config & 0x09) != 0x01)
-               lm78_write_value(client, LM78_REG_CONFIG,
+               lm78_write_value(data, LM78_REG_CONFIG,
                                 (config & 0xf7) | 0x01);
 
        /* A few vars need to be filled upon startup */
        for (i = 0; i < 3; i++) {
-               data->fan_min[i] = lm78_read_value(client,
+               data->fan_min[i] = lm78_read_value(data,
                                        LM78_REG_FAN_MIN(i));
        }
 
@@ -782,7 +781,6 @@ static void lm78_init_client(struct i2c_client *client)
 static struct lm78_data *lm78_update_device(struct device *dev)
 {
        struct lm78_data *data = dev_get_drvdata(dev);
-       struct i2c_client *client = &data->client;
        int i;
 
        mutex_lock(&data->update_lock);
@@ -794,35 +792,35 @@ static struct lm78_data *lm78_update_device(struct device *dev)
 
                for (i = 0; i <= 6; i++) {
                        data->in[i] =
-                           lm78_read_value(client, LM78_REG_IN(i));
+                           lm78_read_value(data, LM78_REG_IN(i));
                        data->in_min[i] =
-                           lm78_read_value(client, LM78_REG_IN_MIN(i));
+                           lm78_read_value(data, LM78_REG_IN_MIN(i));
                        data->in_max[i] =
-                           lm78_read_value(client, LM78_REG_IN_MAX(i));
+                           lm78_read_value(data, LM78_REG_IN_MAX(i));
                }
                for (i = 0; i < 3; i++) {
                        data->fan[i] =
-                           lm78_read_value(client, LM78_REG_FAN(i));
+                           lm78_read_value(data, LM78_REG_FAN(i));
                        data->fan_min[i] =
-                           lm78_read_value(client, LM78_REG_FAN_MIN(i));
+                           lm78_read_value(data, LM78_REG_FAN_MIN(i));
                }
-               data->temp = lm78_read_value(client, LM78_REG_TEMP);
+               data->temp = lm78_read_value(data, LM78_REG_TEMP);
                data->temp_over =
-                   lm78_read_value(client, LM78_REG_TEMP_OVER);
+                   lm78_read_value(data, LM78_REG_TEMP_OVER);
                data->temp_hyst =
-                   lm78_read_value(client, LM78_REG_TEMP_HYST);
-               i = lm78_read_value(client, LM78_REG_VID_FANDIV);
+                   lm78_read_value(data, LM78_REG_TEMP_HYST);
+               i = lm78_read_value(data, LM78_REG_VID_FANDIV);
                data->vid = i & 0x0f;
                if (data->type == lm79)
                        data->vid |=
-                           (lm78_read_value(client, LM78_REG_CHIPID) &
+                           (lm78_read_value(data, LM78_REG_CHIPID) &
                             0x01) << 4;
                else
                        data->vid |= 0x10;
                data->fan_div[0] = (i >> 4) & 0x03;
                data->fan_div[1] = i >> 6;
-               data->alarms = lm78_read_value(client, LM78_REG_ALARM1) +
-                   (lm78_read_value(client, LM78_REG_ALARM2) << 8);
+               data->alarms = lm78_read_value(data, LM78_REG_ALARM1) +
+                   (lm78_read_value(data, LM78_REG_ALARM2) << 8);
                data->last_updated = jiffies;
                data->valid = 1;
 
@@ -893,7 +891,7 @@ static int __init lm78_isa_found(unsigned short address)
        /* Determine the chip type */
        outb_p(LM78_REG_CHIPID, address + LM78_ADDR_REG_OFFSET);
        val = inb_p(address + LM78_DATA_REG_OFFSET);
-       if (val == 0x00                 /* LM78 */
+       if (val == 0x00 || val == 0x20  /* LM78 */
         || val == 0x40                 /* LM78-J */
         || (val & 0xfe) == 0xc0)       /* LM79 */
                found = 1;
@@ -911,7 +909,7 @@ static int __init lm78_isa_device_add(unsigned short address)
 {
        struct resource res = {
                .start  = address,
-               .end    = address + LM78_EXTENT,
+               .end    = address + LM78_EXTENT - 1,
                .name   = "lm78",
                .flags  = IORESOURCE_IO,
        };