fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / hwmon / pc87360.c
index f161e88..c8a21be 100644 (file)
@@ -43,6 +43,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 
 static u8 devid;
@@ -183,8 +184,8 @@ static inline u8 PWM_TO_REG(int val, int inv)
 struct pc87360_data {
        struct i2c_client client;
        struct class_device *class_dev;
-       struct semaphore lock;
-       struct semaphore update_lock;
+       struct mutex lock;
+       struct mutex update_lock;
        char valid;             /* !=0 if following fields are valid */
        unsigned long last_updated;     /* In jiffies */
 
@@ -237,6 +238,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev);
 
 static struct i2c_driver pc87360_driver = {
        .driver = {
+               .owner  = THIS_MODULE,
                .name   = "pc87360",
        },
        .attach_adapter = pc87360_detect,
@@ -283,7 +285,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
        struct pc87360_data *data = i2c_get_clientdata(client);
        long fan_min = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
 
        /* If it wouldn't fit, change clock divisor */
@@ -300,23 +302,37 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
        /* Write new divider, preserve alarm bits */
        pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
                            data->fan_status[attr->index] & 0xF9);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
 
        return count;
 }
 
-#define show_and_set_fan(offset) \
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
-       show_fan_input, NULL, offset-1); \
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
-       show_fan_min, set_fan_min, offset-1); \
-static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
-       show_fan_div, NULL, offset-1); \
-static SENSOR_DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
-       show_fan_status, NULL, offset-1);
-show_and_set_fan(1)
-show_and_set_fan(2)
-show_and_set_fan(3)
+static struct sensor_device_attribute fan_input[] = {
+       SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0),
+       SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1),
+       SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2),
+};
+static struct sensor_device_attribute fan_status[] = {
+       SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0),
+       SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1),
+       SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2),
+};
+static struct sensor_device_attribute fan_div[] = {
+       SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
+       SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
+       SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
+};
+static struct sensor_device_attribute fan_min[] = {
+       SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0),
+       SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1),
+       SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
+};
+
+#define FAN_UNIT_ATTRS(X)      \
+       &fan_input[X].dev_attr.attr,    \
+       &fan_status[X].dev_attr.attr,   \
+       &fan_div[X].dev_attr.attr,      \
+       &fan_min[X].dev_attr.attr
 
 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -335,21 +351,33 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, con
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->pwm[attr->index] = PWM_TO_REG(val,
                              FAN_CONFIG_INVERT(data->fan_conf, attr->index));
        pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
                            data->pwm[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 
-#define show_and_set_pwm(offset) \
-static SENSOR_DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
-       show_pwm, set_pwm, offset-1);
-show_and_set_pwm(1)
-show_and_set_pwm(2)
-show_and_set_pwm(3)
+static struct sensor_device_attribute pwm[] = {
+       SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0),
+       SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1),
+       SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
+};
+
+static struct attribute * pc8736x_fan_attr_array[] = {
+       FAN_UNIT_ATTRS(0),
+       FAN_UNIT_ATTRS(1),
+       FAN_UNIT_ATTRS(2),
+       &pwm[0].dev_attr.attr,
+       &pwm[1].dev_attr.attr,
+       &pwm[2].dev_attr.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_fan_group = {
+       .attrs = pc8736x_fan_attr_array,
+};
 
 static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -386,11 +414,11 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
        pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
                            data->in_min[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@@ -401,35 +429,122 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->in_max[attr->index] = IN_TO_REG(val,
                               data->in_vref);
        pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
                            data->in_max[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
+       return count;
+}
+
+static struct sensor_device_attribute in_input[] = {
+       SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0),
+       SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1),
+       SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2),
+       SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3),
+       SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4),
+       SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5),
+       SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6),
+       SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7),
+       SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8),
+       SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9),
+       SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10),
+};
+static struct sensor_device_attribute in_status[] = {
+       SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0),
+       SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1),
+       SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2),
+       SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3),
+       SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4),
+       SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5),
+       SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6),
+       SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7),
+       SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8),
+       SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9),
+       SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10),
+};
+static struct sensor_device_attribute in_min[] = {
+       SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0),
+       SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1),
+       SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2),
+       SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3),
+       SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4),
+       SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5),
+       SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6),
+       SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7),
+       SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8),
+       SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9),
+       SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10),
+};
+static struct sensor_device_attribute in_max[] = {
+       SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0),
+       SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1),
+       SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2),
+       SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3),
+       SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4),
+       SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5),
+       SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6),
+       SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7),
+       SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8),
+       SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9),
+       SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
+};
+
+#define VIN_UNIT_ATTRS(X) \
+       &in_input[X].dev_attr.attr,     \
+       &in_status[X].dev_attr.attr,    \
+       &in_min[X].dev_attr.attr,       \
+       &in_max[X].dev_attr.attr
+
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct pc87360_data *data = i2c_get_clientdata(client);
+       data->vrm = simple_strtoul(buf, NULL, 10);
        return count;
 }
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", data->in_alarms);
+}
+static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
 
-#define show_and_set_in(offset) \
-static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
-       show_in_input, 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); \
-static SENSOR_DEVICE_ATTR(in##offset##_status, S_IRUGO, \
-       show_in_status, NULL, offset);
-show_and_set_in(0)
-show_and_set_in(1)
-show_and_set_in(2)
-show_and_set_in(3)
-show_and_set_in(4)
-show_and_set_in(5)
-show_and_set_in(6)
-show_and_set_in(7)
-show_and_set_in(8)
-show_and_set_in(9)
-show_and_set_in(10)
+static struct attribute *pc8736x_vin_attr_array[] = {
+       VIN_UNIT_ATTRS(0),
+       VIN_UNIT_ATTRS(1),
+       VIN_UNIT_ATTRS(2),
+       VIN_UNIT_ATTRS(3),
+       VIN_UNIT_ATTRS(4),
+       VIN_UNIT_ATTRS(5),
+       VIN_UNIT_ATTRS(6),
+       VIN_UNIT_ATTRS(7),
+       VIN_UNIT_ATTRS(8),
+       VIN_UNIT_ATTRS(9),
+       VIN_UNIT_ATTRS(10),
+       &dev_attr_cpu0_vid.attr,
+       &dev_attr_vrm.attr,
+       &dev_attr_alarms_in.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_vin_group = {
+       .attrs = pc8736x_vin_attr_array,
+};
 
 static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -473,11 +588,11 @@ static ssize_t set_therm_min(struct device *dev, struct device_attribute *devatt
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
        pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
                            data->in_min[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@@ -488,11 +603,11 @@ static ssize_t set_therm_max(struct device *dev, struct device_attribute *devatt
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
        pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
                            data->in_max[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
@@ -503,56 +618,68 @@ static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devat
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
        pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
                            data->in_crit[attr->index-11]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 
-#define show_and_set_therm(offset) \
-static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
-       show_therm_input, NULL, 11+offset-4); \
-static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
-       show_therm_min, set_therm_min, 11+offset-4); \
-static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
-       show_therm_max, set_therm_max, 11+offset-4); \
-static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
-       show_therm_crit, set_therm_crit, 11+offset-4); \
-static SENSOR_DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
-       show_therm_status, NULL, 11+offset-4);
-show_and_set_therm(4)
-show_and_set_therm(5)
-show_and_set_therm(6)
-
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
-}
-static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", data->vrm);
-}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-       struct i2c_client *client = to_i2c_client(dev);
-       struct pc87360_data *data = i2c_get_clientdata(client);
-       data->vrm = simple_strtoul(buf, NULL, 10);
-       return count;
-}
-static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+/* the +11 term below reflects the fact that VLM units 11,12,13 are
+   used in the chip to measure voltage across the thermistors
+*/
+static struct sensor_device_attribute therm_input[] = {
+       SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
+       SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
+       SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_status[] = {
+       SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
+       SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
+       SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_min[] = {
+       SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
+                   show_therm_min, set_therm_min, 0+11),
+       SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
+                   show_therm_min, set_therm_min, 1+11),
+       SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
+                   show_therm_min, set_therm_min, 2+11),
+};
+static struct sensor_device_attribute therm_max[] = {
+       SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
+                   show_therm_max, set_therm_max, 0+11),
+       SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
+                   show_therm_max, set_therm_max, 1+11),
+       SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
+                   show_therm_max, set_therm_max, 2+11),
+};
+static struct sensor_device_attribute therm_crit[] = {
+       SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
+                   show_therm_crit, set_therm_crit, 0+11),
+       SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
+                   show_therm_crit, set_therm_crit, 1+11),
+       SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
+                   show_therm_crit, set_therm_crit, 2+11),
+};
 
-static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", data->in_alarms);
-}
-static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
+#define THERM_UNIT_ATTRS(X) \
+       &therm_input[X].dev_attr.attr,  \
+       &therm_status[X].dev_attr.attr, \
+       &therm_min[X].dev_attr.attr,    \
+       &therm_max[X].dev_attr.attr,    \
+       &therm_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_therm_attr_array[] = {
+       THERM_UNIT_ATTRS(0),
+       THERM_UNIT_ATTRS(1),
+       THERM_UNIT_ATTRS(2),
+       NULL
+};
+static const struct attribute_group pc8736x_therm_group = {
+       .attrs = pc8736x_therm_attr_array,
+};
 
 static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -592,11 +719,11 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->temp_min[attr->index] = TEMP_TO_REG(val);
        pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
                            data->temp_min[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@@ -607,11 +734,11 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr
        struct pc87360_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);
        pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
                            data->temp_max[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
@@ -622,28 +749,48 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devatt
        struct pc87360_data *data = i2c_get_clientdata(client);
        long val = simple_strtol(buf, NULL, 10);
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
        data->temp_crit[attr->index] = TEMP_TO_REG(val);
        pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
                            data->temp_crit[attr->index]);
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
        return count;
 }
 
-#define show_and_set_temp(offset) \
-static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
-       show_temp_input, 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); \
-static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
-       show_temp_crit, set_temp_crit, offset-1); \
-static SENSOR_DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
-       show_temp_status, NULL, offset-1);
-show_and_set_temp(1)
-show_and_set_temp(2)
-show_and_set_temp(3)
+static struct sensor_device_attribute temp_input[] = {
+       SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0),
+       SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1),
+       SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2),
+};
+static struct sensor_device_attribute temp_status[] = {
+       SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0),
+       SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1),
+       SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2),
+};
+static struct sensor_device_attribute temp_min[] = {
+       SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR,
+                   show_temp_min, set_temp_min, 0),
+       SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR,
+                   show_temp_min, set_temp_min, 1),
+       SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR,
+                   show_temp_min, set_temp_min, 2),
+};
+static struct sensor_device_attribute temp_max[] = {
+       SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+                   show_temp_max, set_temp_max, 0),
+       SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
+                   show_temp_max, set_temp_max, 1),
+       SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
+                   show_temp_max, set_temp_max, 2),
+};
+static struct sensor_device_attribute temp_crit[] = {
+       SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
+                   show_temp_crit, set_temp_crit, 0),
+       SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
+                   show_temp_crit, set_temp_crit, 1),
+       SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
+                   show_temp_crit, set_temp_crit, 2),
+};
 
 static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -652,6 +799,25 @@ static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *att
 }
 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
 
+#define TEMP_UNIT_ATTRS(X) \
+       &temp_input[X].dev_attr.attr,   \
+       &temp_status[X].dev_attr.attr,  \
+       &temp_min[X].dev_attr.attr,     \
+       &temp_max[X].dev_attr.attr,     \
+       &temp_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_temp_attr_array[] = {
+       TEMP_UNIT_ATTRS(0),
+       TEMP_UNIT_ATTRS(1),
+       TEMP_UNIT_ATTRS(2),
+       /* include the few miscellaneous atts here */
+       &dev_attr_alarms_temp.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_temp_group = {
+       .attrs = pc8736x_temp_attr_array,
+};
+
 /*
  * Device detection, registration and update
  */
@@ -749,22 +915,24 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
 static int pc87360_detect(struct i2c_adapter *adapter)
 {
        int i;
-       struct i2c_client *new_client;
+       struct i2c_client *client;
        struct pc87360_data *data;
        int err = 0;
        const char *name = "pc87360";
        int use_thermistors = 0;
+       struct device *dev;
 
        if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
                return -ENOMEM;
 
-       new_client = &data->client;
-       i2c_set_clientdata(new_client, data);
-       new_client->addr = address;
-       init_MUTEX(&data->lock);
-       new_client->adapter = adapter;
-       new_client->driver = &pc87360_driver;
-       new_client->flags = 0;
+       client = &data->client;
+       dev = &client->dev;
+       i2c_set_clientdata(client, data);
+       client->addr = address;
+       mutex_init(&data->lock);
+       client->adapter = adapter;
+       client->driver = &pc87360_driver;
+       client->flags = 0;
 
        data->fannr = 2;
        data->innr = 0;
@@ -792,15 +960,15 @@ static int pc87360_detect(struct i2c_adapter *adapter)
                break;
        }
 
-       strcpy(new_client->name, name);
+       strlcpy(client->name, name, sizeof(client->name));
        data->valid = 0;
-       init_MUTEX(&data->update_lock);
+       mutex_init(&data->update_lock);
 
        for (i = 0; i < 3; i++) {
                if (((data->address[i] = extra_isa[i]))
                 && !request_region(extra_isa[i], PC87360_EXTENT,
                                    pc87360_driver.driver.name)) {
-                       dev_err(&new_client->dev, "Region 0x%x-0x%x already "
+                       dev_err(&client->dev, "Region 0x%x-0x%x already "
                                "in use!\n", extra_isa[i],
                                extra_isa[i]+PC87360_EXTENT-1);
                        for (i--; i >= 0; i--)
@@ -814,7 +982,7 @@ static int pc87360_detect(struct i2c_adapter *adapter)
        if (data->fannr)
                data->fan_conf = confreg[0] | (confreg[1] << 8);
 
-       if ((err = i2c_attach_client(new_client)))
+       if ((err = i2c_attach_client(client)))
                goto ERROR2;
 
        /* Use the correct reference voltage
@@ -828,11 +996,11 @@ static int pc87360_detect(struct i2c_adapter *adapter)
                                                PC87365_REG_TEMP_CONFIG);
                }
                data->in_vref = (i&0x02) ? 3025 : 2966;
-               dev_dbg(&new_client->dev, "Using %s reference voltage\n",
+               dev_dbg(&client->dev, "Using %s reference voltage\n",
                        (i&0x02) ? "external" : "internal");
 
                data->vid_conf = confreg[3];
-               data->vrm = 90;
+               data->vrm = vid_which_vrm();
        }
 
        /* Fan clock dividers may be needed before any data is read */
@@ -847,154 +1015,73 @@ static int pc87360_detect(struct i2c_adapter *adapter)
                if (devid == 0xe9 && data->address[1]) /* PC87366 */
                        use_thermistors = confreg[2] & 0x40;
 
-               pc87360_init_client(new_client, use_thermistors);
+               pc87360_init_client(client, use_thermistors);
        }
 
-       /* Register sysfs hooks */
-       data->class_dev = hwmon_device_register(&new_client->dev);
-       if (IS_ERR(data->class_dev)) {
-               err = PTR_ERR(data->class_dev);
-               goto ERROR3;
-       }
+       /* Register all-or-nothing sysfs groups */
 
-       if (data->innr) {
-               device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in9_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in10_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_in1_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in8_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in9_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in10_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_max.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_max.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_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in8_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in9_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in10_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in0_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in1_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in2_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in3_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in4_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in5_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in6_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in7_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in8_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in9_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_in10_status.dev_attr);
-
-               device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
-               device_create_file(&new_client->dev, &dev_attr_vrm);
-               device_create_file(&new_client->dev, &dev_attr_alarms_in);
-       }
+       if (data->innr &&
+           (err = sysfs_create_group(&client->dev.kobj,
+                                     &pc8736x_vin_group)))
+               goto ERROR3;
 
-       if (data->tempnr) {
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp2_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp1_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp2_status.dev_attr);
-
-               device_create_file(&new_client->dev, &dev_attr_alarms_temp);
-       }
-       if (data->tempnr == 3) {
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp3_status.dev_attr);
-       }
-       if (data->innr == 14) {
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp4_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp5_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp6_input.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp4_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp5_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp6_min.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp4_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp5_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp6_max.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp4_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp5_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp6_crit.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp4_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp5_status.dev_attr);
-               device_create_file(&new_client->dev, &sensor_dev_attr_temp6_status.dev_attr);
-       }
+       if (data->innr == 14 &&
+           (err = sysfs_create_group(&client->dev.kobj,
+                                     &pc8736x_therm_group)))
+               goto ERROR3;
 
-       if (data->fannr) {
-               if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) {
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan1_input.dev_attr);
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan1_min.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_status.dev_attr);
-               }
+       /* create device attr-files for varying sysfs groups */
 
-               if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) {
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan2_input.dev_attr);
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan2_min.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_status.dev_attr);
+       if (data->tempnr) {
+               for (i = 0; i < data->tempnr; i++) {
+                       if ((err = device_create_file(dev,
+                                       &temp_input[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_min[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_max[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_crit[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_status[i].dev_attr)))
+                               goto ERROR3;
                }
-
-               if (FAN_CONFIG_CONTROL(data->fan_conf, 0))
-                       device_create_file(&new_client->dev, &sensor_dev_attr_pwm1.dev_attr);
-               if (FAN_CONFIG_CONTROL(data->fan_conf, 1))
-                       device_create_file(&new_client->dev, &sensor_dev_attr_pwm2.dev_attr);
+               if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
+                       goto ERROR3;
        }
-       if (data->fannr == 3) {
-               if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) {
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan3_input.dev_attr);
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan3_min.dev_attr);
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan3_div.dev_attr);
-                       device_create_file(&new_client->dev,
-                                          &sensor_dev_attr_fan3_status.dev_attr);
-               }
 
-               if (FAN_CONFIG_CONTROL(data->fan_conf, 2))
-                       device_create_file(&new_client->dev, &sensor_dev_attr_pwm3.dev_attr);
+       for (i = 0; i < data->fannr; i++) {
+               if (FAN_CONFIG_MONITOR(data->fan_conf, i)
+                   && ((err = device_create_file(dev,
+                                       &fan_input[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_min[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_div[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_status[i].dev_attr))))
+                       goto ERROR3;
+
+               if (FAN_CONFIG_CONTROL(data->fan_conf, i)
+                   && (err = device_create_file(dev, &pwm[i].dev_attr)))
+                       goto ERROR3;
        }
 
+       data->class_dev = hwmon_device_register(&client->dev);
+       if (IS_ERR(data->class_dev)) {
+               err = PTR_ERR(data->class_dev);
+               goto ERROR3;
+       }
        return 0;
 
 ERROR3:
-       i2c_detach_client(new_client);
+       /* can still remove groups whose members were added individually */
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
+       i2c_detach_client(client);
 ERROR2:
        for (i = 0; i < 3; i++) {
                if (data->address[i]) {
@@ -1013,6 +1100,11 @@ static int pc87360_detach_client(struct i2c_client *client)
 
        hwmon_device_unregister(data->class_dev);
 
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
        if ((i = i2c_detach_client(client)))
                return i;
 
@@ -1033,11 +1125,11 @@ static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
 {
        int res;
 
-       down(&(data->lock));
+       mutex_lock(&(data->lock));
        if (bank != NO_BANK)
                outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
        res = inb_p(data->address[ldi] + reg);
-       up(&(data->lock));
+       mutex_unlock(&(data->lock));
 
        return res;
 }
@@ -1045,11 +1137,11 @@ static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
 static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
                                u8 reg, u8 value)
 {
-       down(&(data->lock));
+       mutex_lock(&(data->lock));
        if (bank != NO_BANK)
                outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
        outb_p(value, data->address[ldi] + reg);
-       up(&(data->lock));
+       mutex_unlock(&(data->lock));
 }
 
 static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
@@ -1071,7 +1163,7 @@ static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
        }
 
        nr = data->innr < 11 ? data->innr : 11;
-       for (i=0; i<nr; i++) {
+       for (i = 0; i < nr; i++) {
                if (init >= init_in[i]) {
                        /* Forcibly enable voltage channel */
                        reg = pc87360_read_value(data, LD_IN, i,
@@ -1088,14 +1180,14 @@ static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
 
        /* We can't blindly trust the Super-I/O space configuration bit,
           most BIOS won't set it properly */
-       for (i=11; i<data->innr; i++) {
+       for (i = 11; i < data->innr; i++) {
                reg = pc87360_read_value(data, LD_IN, i,
                                         PC87365_REG_TEMP_STATUS);
                use_thermistors = use_thermistors || (reg & 0x01);
        }
 
        i = use_thermistors ? 2 : 0;
-       for (; i<data->tempnr; i++) {
+       for (; i < data->tempnr; i++) {
                if (init >= init_temp[i]) {
                        /* Forcibly enable temperature channel */
                        reg = pc87360_read_value(data, LD_TEMP, i,
@@ -1111,7 +1203,7 @@ static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
        }
 
        if (use_thermistors) {
-               for (i=11; i<data->innr; i++) {
+               for (i = 11; i < data->innr; i++) {
                        if (init >= init_in[i]) {
                                /* The pin may already be used by thermal
                                   diodes */
@@ -1221,7 +1313,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
        struct pc87360_data *data = i2c_get_clientdata(client);
        u8 i;
 
-       down(&data->update_lock);
+       mutex_lock(&data->update_lock);
 
        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
                dev_dbg(&client->dev, "Data update\n");
@@ -1321,7 +1413,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
                data->valid = 1;
        }
 
-       up(&data->update_lock);
+       mutex_unlock(&data->update_lock);
 
        return data;
 }