hwmon: (adm1025) Use dynamic sysfs callbacks

This lets us get rid of macro-generated functions and shrinks the
driver size by about 30%.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

1 files changed, 154 insertions, 137 deletions

diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 041ecb0bdf48..f0d833eb1f47 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -51,6 +51,7 @@
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
@@ -153,86 +154,96 @@ struct adm1025_data {
  * Sysfs stuff
  */
 
-#define show_in(offset) \
-static ssize_t show_in##offset(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
-                       in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
-                       in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
-                       in_scale[offset])); \
-} \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);
-show_in(0);
-show_in(1);
-show_in(2);
-show_in(3);
-show_in(4);
-show_in(5);
-
-#define show_temp(offset) \
-static ssize_t show_temp##offset(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
-} \
-static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
-} \
-static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-        struct adm1025_data *data = adm1025_update_device(dev); \
-        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
-}\
-static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp##offset, NULL);
-show_temp(1);
-show_temp(2);
+static ssize_t
+show_in(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[index],
+                       in_scale[index]));
+}
+
+static ssize_t
+show_in_min(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[index],
+                       in_scale[index]));
+}
+
+static ssize_t
+show_in_max(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[index],
+                       in_scale[index]));
+}
+
+static ssize_t
+show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[index]));
+}
+
+static ssize_t
+show_temp_min(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[index]));
+}
+
+static ssize_t
+show_temp_max(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[index]));
+}
+
+static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
+                          const char *buf, size_t count)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        mutex_lock(&data->update_lock);
+        data->in_min[index] = IN_TO_REG(val, in_scale[index]);
+        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(index),
+                                  data->in_min[index]);
+        mutex_unlock(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
+                          const char *buf, size_t count)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        mutex_lock(&data->update_lock);
+        data->in_max[index] = IN_TO_REG(val, in_scale[index]);
+        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(index),
+                                  data->in_max[index]);
+        mutex_unlock(&data->update_lock);
+        return count;
+}
 
 #define set_in(offset) \
-static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
-        size_t count) \
-{ \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct adm1025_data *data = i2c_get_clientdata(client); \
-        long val = simple_strtol(buf, NULL, 10); \
- \
-        mutex_lock(&data->update_lock); \
-        data->in_min[offset] = IN_TO_REG(val, in_scale[offset]); \
-        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(offset), \
-                                  data->in_min[offset]); \
-        mutex_unlock(&data->update_lock); \
-        return count; \
-} \
-static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
-        size_t count) \
-{ \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct adm1025_data *data = i2c_get_clientdata(client); \
-        long val = simple_strtol(buf, NULL, 10); \
- \
-        mutex_lock(&data->update_lock); \
-        data->in_max[offset] = IN_TO_REG(val, in_scale[offset]); \
-        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(offset), \
-                                  data->in_max[offset]); \
-        mutex_unlock(&data->update_lock); \
-        return count; \
-} \
-static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
-        show_in##offset##_min, set_in##offset##_min); \
-static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
-        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_IWUSR | S_IRUGO, \
+        show_in_min, set_in_min, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
+        show_in_max, set_in_max, offset)
 set_in(0);
 set_in(1);
 set_in(2);
@@ -240,39 +251,45 @@ set_in(3);
 set_in(4);
 set_in(5);
 
+static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
+                            const char *buf, size_t count)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        mutex_lock(&data->update_lock);
+        data->temp_min[index] = TEMP_TO_REG(val);
+        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(index),
+                                  data->temp_min[index]);
+        mutex_unlock(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
+        const char *buf, size_t count)
+{
+        int index = to_sensor_dev_attr(attr)->index;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        mutex_lock(&data->update_lock);
+        data->temp_max[index] = TEMP_TO_REG(val);
+        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(index),
+                                  data->temp_max[index]);
+        mutex_unlock(&data->update_lock);
+        return count;
+}
+
 #define set_temp(offset) \
-static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
-        size_t count) \
-{ \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct adm1025_data *data = i2c_get_clientdata(client); \
-        long val = simple_strtol(buf, NULL, 10); \
- \
-        mutex_lock(&data->update_lock); \
-        data->temp_min[offset-1] = TEMP_TO_REG(val); \
-        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(offset-1), \
-                                  data->temp_min[offset-1]); \
-        mutex_unlock(&data->update_lock); \
-        return count; \
-} \
-static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
-        size_t count) \
-{ \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct adm1025_data *data = i2c_get_clientdata(client); \
-        long val = simple_strtol(buf, NULL, 10); \
- \
-        mutex_lock(&data->update_lock); \
-        data->temp_max[offset-1] = TEMP_TO_REG(val); \
-        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(offset-1), \
-                                  data->temp_max[offset-1]); \
-        mutex_unlock(&data->update_lock); \
-        return count; \
-} \
-static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
-        show_temp##offset##_min, set_temp##offset##_min); \
-static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
-        show_temp##offset##_max, set_temp##offset##_max);
+static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+        show_temp, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
+        show_temp_min, set_temp_min, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
+        show_temp_max, set_temp_max, offset - 1)
 set_temp(1);
 set_temp(2);
 
@@ -316,27 +333,27 @@ static int adm1025_attach_adapter(struct i2c_adapter *adapter)
 }
 
 static struct attribute *adm1025_attributes[] = {
-        &dev_attr_in0_input.attr,
-        &dev_attr_in1_input.attr,
-        &dev_attr_in2_input.attr,
-        &dev_attr_in3_input.attr,
-        &dev_attr_in5_input.attr,
-        &dev_attr_in0_min.attr,
-        &dev_attr_in1_min.attr,
-        &dev_attr_in2_min.attr,
-        &dev_attr_in3_min.attr,
-        &dev_attr_in5_min.attr,
-        &dev_attr_in0_max.attr,
-        &dev_attr_in1_max.attr,
-        &dev_attr_in2_max.attr,
-        &dev_attr_in3_max.attr,
-        &dev_attr_in5_max.attr,
-        &dev_attr_temp1_input.attr,
-        &dev_attr_temp2_input.attr,
-        &dev_attr_temp1_min.attr,
-        &dev_attr_temp2_min.attr,
-        &dev_attr_temp1_max.attr,
-        &dev_attr_temp2_max.attr,
+        &sensor_dev_attr_in0_input.dev_attr.attr,
+        &sensor_dev_attr_in1_input.dev_attr.attr,
+        &sensor_dev_attr_in2_input.dev_attr.attr,
+        &sensor_dev_attr_in3_input.dev_attr.attr,
+        &sensor_dev_attr_in5_input.dev_attr.attr,
+        &sensor_dev_attr_in0_min.dev_attr.attr,
+        &sensor_dev_attr_in1_min.dev_attr.attr,
+        &sensor_dev_attr_in2_min.dev_attr.attr,
+        &sensor_dev_attr_in3_min.dev_attr.attr,
+        &sensor_dev_attr_in5_min.dev_attr.attr,
+        &sensor_dev_attr_in0_max.dev_attr.attr,
+        &sensor_dev_attr_in1_max.dev_attr.attr,
+        &sensor_dev_attr_in2_max.dev_attr.attr,
+        &sensor_dev_attr_in3_max.dev_attr.attr,
+        &sensor_dev_attr_in5_max.dev_attr.attr,
+        &sensor_dev_attr_temp1_input.dev_attr.attr,
+        &sensor_dev_attr_temp2_input.dev_attr.attr,
+        &sensor_dev_attr_temp1_min.dev_attr.attr,
+        &sensor_dev_attr_temp2_min.dev_attr.attr,
+        &sensor_dev_attr_temp1_max.dev_attr.attr,
+        &sensor_dev_attr_temp2_max.dev_attr.attr,
         &dev_attr_alarms.attr,
         &dev_attr_cpu0_vid.attr,
         &dev_attr_vrm.attr,
@@ -348,9 +365,9 @@ static const struct attribute_group adm1025_group = {
 };
 
 static struct attribute *adm1025_attributes_opt[] = {
-        &dev_attr_in4_input.attr,
-        &dev_attr_in4_min.attr,
-        &dev_attr_in4_max.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,
         NULL
 };
 
@@ -464,11 +481,11 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
         /* Pin 11 is either in4 (+12V) or VID4 */
         if (!(config & 0x20)) {
                 if ((err = device_create_file(&new_client->dev,
-                                        &dev_attr_in4_input))
+                                        &sensor_dev_attr_in4_input.dev_attr))
                  || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in4_min))
+                                        &sensor_dev_attr_in4_min.dev_attr))
                  || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in4_max)))
+                                        &sensor_dev_attr_in4_max.dev_attr)))
                         goto exit_remove;
         }