Merge branch 'master'

36 files changed, 469 insertions, 486 deletions

diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index e928cdb041c..8102876c7c3 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -121,7 +121,7 @@ static int adm1021_write_value(struct i2c_client *client, u8 reg,
 static struct adm1021_data *adm1021_update_device(struct device *dev);
 
 /* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */
-static int read_only = 0;
+static int read_only;
 
 
 /* This is the driver that will be inserted */
@@ -204,11 +204,10 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access adm1021_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct adm1021_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto error0;
 	}
-	memset(data, 0, sizeof(struct adm1021_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 526b7ff179e..3ec12421694 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -331,11 +331,10 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct adm1025_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct adm1025_data));
 
 	/* The common I2C client data is placed right before the
 	   ADM1025-specific data. */
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 625158110fd..e0f56549d1d 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -315,7 +315,7 @@ static struct i2c_driver adm1026_driver = {
 	.detach_client  = adm1026_detach_client,
 };
 
-int adm1026_attach_adapter(struct i2c_adapter *adapter)
+static int adm1026_attach_adapter(struct i2c_adapter *adapter)
 {
 	if (!(adapter->class & I2C_CLASS_HWMON)) {
 		return 0;
@@ -323,7 +323,7 @@ int adm1026_attach_adapter(struct i2c_adapter *adapter)
 	return i2c_probe(adapter, &addr_data, adm1026_detect);
 }
 
-int adm1026_detach_client(struct i2c_client *client)
+static int adm1026_detach_client(struct i2c_client *client)
 {
 	struct adm1026_data *data = i2c_get_clientdata(client);
 	hwmon_device_unregister(data->class_dev);
@@ -332,7 +332,7 @@ int adm1026_detach_client(struct i2c_client *client)
 	return 0;
 }
 
-int adm1026_read_value(struct i2c_client *client, u8 reg)
+static int adm1026_read_value(struct i2c_client *client, u8 reg)
 {
 	int res;
 
@@ -346,7 +346,7 @@ int adm1026_read_value(struct i2c_client *client, u8 reg)
 	return res;
 }
 
-int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
+static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
 {
 	int res;
 
@@ -360,7 +360,7 @@ int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
 	return res;
 }
 
-void adm1026_init_client(struct i2c_client *client)
+static void adm1026_init_client(struct i2c_client *client)
 {
 	int value, i;
 	struct adm1026_data *data = i2c_get_clientdata(client);
@@ -460,7 +460,7 @@ void adm1026_init_client(struct i2c_client *client)
 	}
 }
 
-void adm1026_print_gpio(struct i2c_client *client)
+static void adm1026_print_gpio(struct i2c_client *client)
 {
 	struct adm1026_data *data = i2c_get_clientdata(client);
 	int  i;
@@ -492,7 +492,7 @@ void adm1026_print_gpio(struct i2c_client *client)
 	}
 }
 
-void adm1026_fixup_gpio(struct i2c_client *client)
+static void adm1026_fixup_gpio(struct i2c_client *client)
 {
 	struct adm1026_data *data = i2c_get_clientdata(client);
 	int  i;
@@ -1452,8 +1452,8 @@ static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
 static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
 static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
 
-int adm1026_detect(struct i2c_adapter *adapter, int address,
-		int kind)
+static int adm1026_detect(struct i2c_adapter *adapter, int address,
+			  int kind)
 {
 	int company, verstep;
 	struct i2c_client *new_client;
@@ -1470,13 +1470,11 @@ int adm1026_detect(struct i2c_adapter *adapter, int address,
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access adm1026_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
 
-	memset(data, 0, sizeof(struct adm1026_data));
-
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
 	new_client->addr = address;
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 58338ed7c8a..7c545d5eee4 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -740,11 +740,10 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct adm1031_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index bc7faef162f..11dc95f8a17 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -45,6 +45,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
@@ -69,8 +70,7 @@ I2C_CLIENT_INSMOD_3(adm9240, ds1780, lm81);
 #define ADM9240_REG_INT(nr)		(0x41 + (nr))
 #define ADM9240_REG_INT_MASK(nr)	(0x43 + (nr))
 #define ADM9240_REG_TEMP		0x27
-#define ADM9240_REG_TEMP_HIGH		0x39
-#define ADM9240_REG_TEMP_HYST		0x3a
+#define ADM9240_REG_TEMP_MAX(nr)	(0x39 + (nr)) /* 0, 1 = high, hyst */
 #define ADM9240_REG_ANALOG_OUT		0x19
 #define ADM9240_REG_CHASSIS_CLEAR	0x46
 #define ADM9240_REG_VID_FAN_DIV		0x47
@@ -162,177 +162,155 @@ struct adm9240_data {
 	u8 fan_min[2];		/* rw	fan1_min */
 	u8 fan_div[2];		/* rw	fan1_div, read-only accessor */
 	s16 temp;		/* ro	temp1_input, 9-bit sign-extended */
-	s8 temp_high;		/* rw	temp1_max */
-	s8 temp_hyst;		/* rw	temp1_max_hyst */
+	s8 temp_max[2];		/* rw	0 -> temp_max, 1 -> temp_max_hyst */
 	u16 alarms;		/* ro	alarms */
 	u8 aout;		/* rw	aout_output */
 	u8 vid;			/* ro	vid */
 	u8 vrm;			/* --	vrm set on startup, no accessor */
 };
 
-/* i2c byte read/write interface */
-static int adm9240_read_value(struct i2c_client *client, u8 reg)
+/*** sysfs accessors ***/
+
+/* temperature */
+static ssize_t show_temp(struct device *dev, struct device_attribute *dummy,
+		char *buf)
 {
-	return i2c_smbus_read_byte_data(client, reg);
+	struct adm9240_data *data = adm9240_update_device(dev);
+	return sprintf(buf, "%d\n", data->temp * 500); /* 9-bit value */
 }
 
-static int adm9240_write_value(struct i2c_client *client, u8 reg, u8 value)
+static ssize_t show_max(struct device *dev, struct device_attribute *devattr,
+		char *buf)
 {
-	return i2c_smbus_write_byte_data(client, reg, value);
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct adm9240_data *data = adm9240_update_device(dev);
+	return sprintf(buf, "%d\n", data->temp_max[attr->index] * 1000);
 }
 
-/*** sysfs accessors ***/
+static ssize_t set_max(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 adm9240_data *data = i2c_get_clientdata(client);
+	long val = simple_strtol(buf, NULL, 10);
+
+	down(&data->update_lock);
+	data->temp_max[attr->index] = TEMP_TO_REG(val);
+	i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
+			data->temp_max[attr->index]);
+	up(&data->update_lock);
+	return count;
+}
 
-/* temperature */
-#define show_temp(value, scale)					\
-static ssize_t show_##value(struct device *dev,			\
-			    struct device_attribute *attr,	\
-			    char *buf)				\
-{								\
-	struct adm9240_data *data = adm9240_update_device(dev);	\
-	return sprintf(buf, "%d\n", data->value * scale);	\
-}
-show_temp(temp_high, 1000);
-show_temp(temp_hyst, 1000);
-show_temp(temp, 500); /* 0.5'C per bit */
-
-#define set_temp(value, reg)					\
-static ssize_t set_##value(struct device *dev, 			\
-			   struct device_attribute *attr,	\
-			   const char *buf, size_t count)	\
-{								\
-	struct i2c_client *client = to_i2c_client(dev);		\
-	struct adm9240_data *data = adm9240_update_device(dev);	\
-	long temp = simple_strtoul(buf, NULL, 10);		\
-								\
-	down(&data->update_lock);				\
-	data->value = TEMP_TO_REG(temp);			\
-	adm9240_write_value(client, reg, data->value);		\
-	up(&data->update_lock);					\
-	return count;						\
-}
-
-set_temp(temp_high, ADM9240_REG_TEMP_HIGH);
-set_temp(temp_hyst, ADM9240_REG_TEMP_HYST);
-
-static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
-		show_temp_high, set_temp_high);
-static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
-		show_temp_hyst, set_temp_hyst);
 static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
+		show_max, set_max, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
+		show_max, set_max, 1);
 
 /* voltage */
-static ssize_t show_in(struct device *dev, char *buf, int nr)
+static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
+		char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr));
+	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index],
+				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 *devattr, char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr));
+	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index],
+				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 *devattr, char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr));
+	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index],
+				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 *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 adm9240_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(buf, NULL, 10);
 
 	down(&data->update_lock);
-	data->in_min[nr] = IN_TO_REG(val, nr);
-	adm9240_write_value(client, ADM9240_REG_IN_MIN(nr), data->in_min[nr]);
+	data->in_min[attr->index] = IN_TO_REG(val, attr->index);
+	i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
+			data->in_min[attr->index]);
 	up(&data->update_lock);
 	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 *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 adm9240_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(buf, NULL, 10);
 
 	down(&data->update_lock);
-	data->in_max[nr] = IN_TO_REG(val, nr);
-	adm9240_write_value(client, ADM9240_REG_IN_MAX(nr), data->in_max[nr]);
+	data->in_max[attr->index] = IN_TO_REG(val, attr->index);
+	i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
+			data->in_max[attr->index]);
 	up(&data->update_lock);
 	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);
-
-show_in_offset(0);
-show_in_offset(1);
-show_in_offset(2);
-show_in_offset(3);
-show_in_offset(4);
-show_in_offset(5);
+#define vin(nr)							\
+static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, 		\
+		show_in, NULL, nr);				\
+static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR,	\
+		show_in_min, set_in_min, nr);			\
+static SENSOR_DEVICE_ATTR(in##nr##_max, S_IRUGO | S_IWUSR,	\
+		show_in_max, set_in_max, nr);
+
+vin(0);
+vin(1);
+vin(2);
+vin(3);
+vin(4);
+vin(5);
 
 /* fans */
-static ssize_t show_fan(struct device *dev, char *buf, int nr)
+static ssize_t show_fan(struct device *dev,
+		struct device_attribute *devattr, char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
-				1 << data->fan_div[nr]));
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index],
+				1 << data->fan_div[attr->index]));
 }
 
-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 *devattr, char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
-				1 << data->fan_div[nr]));
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[attr->index],
+				1 << data->fan_div[attr->index]));
 }
 
-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 *devattr, char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm9240_data *data = adm9240_update_device(dev);
-	return sprintf(buf, "%d\n", 1 << data->fan_div[nr]);
+	return sprintf(buf, "%d\n", 1 << data->fan_div[attr->index]);
 }
 
 /* write new fan div, callers must hold data->update_lock */
@@ -341,16 +319,16 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr,
 {
 	u8 reg, old, shift = (nr + 2) * 2;
 
-	reg = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV);
+	reg = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV);
 	old = (reg >> shift) & 3;
 	reg &= ~(3 << shift);
 	reg |= (fan_div << shift);
-	adm9240_write_value(client, ADM9240_REG_VID_FAN_DIV, reg);
+	i2c_smbus_write_byte_data(client, ADM9240_REG_VID_FAN_DIV, reg);
 	dev_dbg(&client->dev, "fan%d clock divider changed from %u "
 			"to %u\n", nr + 1, 1 << old, 1 << fan_div);
 }
 
-/* 
+/*
  * set fan speed low limit:
  *
  * - value is zero: disable fan speed low limit alarm
@@ -361,12 +339,15 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr,
  * - otherwise: select fan clock divider to suit fan speed low limit,
  *   measurement code may adjust registers to ensure fan speed reading
  */
-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 *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 adm9240_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(buf, NULL, 10);
+	int nr = attr->index;
 	u8 new_div;
 
 	down(&data->update_lock);
@@ -406,50 +387,27 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
 		data->fan_div[nr] = new_div;
 		adm9240_write_fan_div(client, nr, new_div);
 	}
-	adm9240_write_value(client, ADM9240_REG_FAN_MIN(nr),
+	i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr),
 			data->fan_min[nr]);
 
 	up(&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##_div (struct device *dev,		\
-					struct device_attribute *attr,	\
-					char *buf)			\
-{									\
-return show_fan_div(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 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##_div, S_IRUGO, 				\
-		show_fan_##offset##_div, NULL);				\
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, 		\
-		show_fan_##offset##_min, set_fan_##offset##_min);
-
-show_fan_offset(1);
-show_fan_offset(2);
+#define fan(nr)							\
+static SENSOR_DEVICE_ATTR(fan##nr##_input, S_IRUGO,		\
+		show_fan, NULL, nr - 1);			\
+static SENSOR_DEVICE_ATTR(fan##nr##_div, S_IRUGO,		\
+		show_fan_div, NULL, nr - 1);			\
+static SENSOR_DEVICE_ATTR(fan##nr##_min, S_IRUGO | S_IWUSR,	\
+		show_fan_min, set_fan_min, nr - 1);
+
+fan(1);
+fan(2);
 
 /* 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 *attr, char *buf)
 {
 	struct adm9240_data *data = adm9240_update_device(dev);
 	return sprintf(buf, "%u\n", data->alarms);
@@ -457,7 +415,8 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
 /* 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 *attr, char *buf)
 {
 	struct adm9240_data *data = adm9240_update_device(dev);
 	return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
@@ -465,13 +424,16 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
 
 /* analog output */
-static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_aout(struct device *dev,
+		struct device_attribute *attr, char *buf)
 {
 	struct adm9240_data *data = adm9240_update_device(dev);
 	return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout));
 }
 
-static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_aout(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
@@ -479,20 +441,23 @@ static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const
 
 	down(&data->update_lock);
 	data->aout = AOUT_TO_REG(val);
-	adm9240_write_value(client, ADM9240_REG_ANALOG_OUT, data->aout);
+	i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout);
 	up(&data->update_lock);
 	return count;
 }
 static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
 
 /* chassis_clear */
-static ssize_t chassis_clear(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t chassis_clear(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	unsigned long val = simple_strtol(buf, NULL, 10);
 
 	if (val == 1) {
-		adm9240_write_value(client, ADM9240_REG_CHASSIS_CLEAR, 0x80);
+		i2c_smbus_write_byte_data(client,
+				ADM9240_REG_CHASSIS_CLEAR, 0x80);
 		dev_dbg(&client->dev, "chassis intrusion latch cleared\n");
 	}
 	return count;
@@ -513,11 +478,10 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct adm9240_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(*data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct adm9240_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -533,7 +497,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (kind < 0) {
 
 		/* verify chip: reg address should match i2c address */
-		if (adm9240_read_value(new_client, ADM9240_REG_I2C_ADDR)
+		if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
 				!= address) {
 			dev_err(&adapter->dev, "detect fail: address match, "
 					"0x%02x\n", address);
@@ -541,8 +505,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
 		}
 
 		/* check known chip manufacturer */
-		man_id = adm9240_read_value(new_client, ADM9240_REG_MAN_ID);
-
+		man_id = i2c_smbus_read_byte_data(new_client,
+				ADM9240_REG_MAN_ID);
 		if (man_id == 0x23) {
 			kind = adm9240;
 		} else if (man_id == 0xda) {
@@ -556,7 +520,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
 		}
 
 		/* successful detect, print chip info */
-		die_rev = adm9240_read_value(new_client, ADM9240_REG_DIE_REV);
+		die_rev = i2c_smbus_read_byte_data(new_client,
+				ADM9240_REG_DIE_REV);
 		dev_info(&adapter->dev, "found %s revision %u\n",
 				man_id == 0x23 ? "ADM9240" :
 				man_id == 0xda ? "DS1780" : "LM81", die_rev);
@@ -588,33 +553,59 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
 		goto exit_detach;
 	}
 
-	device_create_file(&new_client->dev, &dev_attr_in0_input);
-	device_create_file(&new_client->dev, &dev_attr_in0_min);
-	device_create_file(&new_client->dev, &dev_attr_in0_max);
-	device_create_file(&new_client->dev, &dev_attr_in1_input);
-	device_create_file(&new_client->dev, &dev_attr_in1_min);
-	device_create_file(&new_client->dev, &dev_attr_in1_max);
-	device_create_file(&new_client->dev, &dev_attr_in2_input);
-	device_create_file(&new_client->dev, &dev_attr_in2_min);
-	device_create_file(&new_client->dev, &dev_attr_in2_max);
-	device_create_file(&new_client->dev, &dev_attr_in3_input);
-	device_create_file(&new_client->dev, &dev_attr_in3_min);
-	device_create_file(&new_client->dev, &dev_attr_in3_max);
-	device_create_file(&new_client->dev, &dev_attr_in4_input);
-	device_create_file(&new_client->dev, &dev_attr_in4_min);
-	device_create_file(&new_client->dev, &dev_attr_in4_max);
-	device_create_file(&new_client->dev, &dev_attr_in5_input);
-	device_create_file(&new_client->dev, &dev_attr_in5_min);
-	device_create_file(&new_client->dev, &dev_attr_in5_max);
-	device_create_file(&new_client->dev, &dev_attr_temp1_max);
-	device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in0_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in0_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in0_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in1_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in1_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in1_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in2_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in2_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in2_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in3_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in3_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in3_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in4_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in4_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in4_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in5_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in5_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_in5_max.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_temp1_input);
-	device_create_file(&new_client->dev, &dev_attr_fan1_input);
-	device_create_file(&new_client->dev, &dev_attr_fan1_div);
-	device_create_file(&new_client->dev, &dev_attr_fan1_min);
-	device_create_file(&new_client->dev, &dev_attr_fan2_input);
-	device_create_file(&new_client->dev, &dev_attr_fan2_div);
-	device_create_file(&new_client->dev, &dev_attr_fan2_min);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_temp1_max.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_temp1_max_hyst.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan1_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan1_div.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan1_min.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan2_input.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan2_div.dev_attr);
+	device_create_file(&new_client->dev,
+			&sensor_dev_attr_fan2_min.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_alarms);
 	device_create_file(&new_client->dev, &dev_attr_aout_output);
 	device_create_file(&new_client->dev, &dev_attr_chassis_clear);
@@ -654,8 +645,8 @@ static int adm9240_detach_client(struct i2c_client *client)
 static void adm9240_init_client(struct i2c_client *client)
 {
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	u8 conf = adm9240_read_value(client, ADM9240_REG_CONFIG);
-	u8 mode = adm9240_read_value(client, ADM9240_REG_TEMP_CONF) & 3;
+	u8 conf = i2c_smbus_read_byte_data(client, ADM9240_REG_CONFIG);
+	u8 mode = i2c_smbus_read_byte_data(client, ADM9240_REG_TEMP_CONF) & 3;
 
 	data->vrm = vid_which_vrm(); /* need this to report vid as mV */
 
@@ -672,18 +663,22 @@ static void adm9240_init_client(struct i2c_client *client)
 
 		for (i = 0; i < 6; i++)
 		{
-			adm9240_write_value(client,
+			i2c_smbus_write_byte_data(client,
 					ADM9240_REG_IN_MIN(i), 0);
-			adm9240_write_value(client,
+			i2c_smbus_write_byte_data(client,
 					ADM9240_REG_IN_MAX(i), 255);
 		}
-		adm9240_write_value(client, ADM9240_REG_FAN_MIN(0), 255);
-		adm9240_write_value(client, ADM9240_REG_FAN_MIN(1), 255);
-		adm9240_write_value(client, ADM9240_REG_TEMP_HIGH, 127);
-		adm9240_write_value(client, ADM9240_REG_TEMP_HYST, 127);
+		i2c_smbus_write_byte_data(client,
+				ADM9240_REG_FAN_MIN(0), 255);
+		i2c_smbus_write_byte_data(client,
+				ADM9240_REG_FAN_MIN(1), 255);
+		i2c_smbus_write_byte_data(client,
+				ADM9240_REG_TEMP_MAX(0), 127);
+		i2c_smbus_write_byte_data(client,
+				ADM9240_REG_TEMP_MAX(1), 127);
 
 		/* start measurement cycle */
-		adm9240_write_value(client, ADM9240_REG_CONFIG, 1);
+		i2c_smbus_write_byte_data(client, ADM9240_REG_CONFIG, 1);
 
 		dev_info(&client->dev, "cold start: config was 0x%02x "
 				"mode %u\n", conf, mode);
@@ -704,25 +699,25 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 
 		for (i = 0; i < 6; i++) /* read voltages */
 		{
-			data->in[i] = adm9240_read_value(client,
+			data->in[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN(i));
 		}
-		data->alarms = adm9240_read_value(client,
+		data->alarms = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_INT(0)) |
-					adm9240_read_value(client,
+					i2c_smbus_read_byte_data(client,
 					ADM9240_REG_INT(1)) << 8;
 
 		/* read temperature: assume temperature changes less than
 		 * 0.5'C per two measurement cycles thus ignore possible
 		 * but unlikely aliasing error on lsb reading. --Grant */
-		data->temp = ((adm9240_read_value(client,
+		data->temp = ((i2c_smbus_read_byte_data(client,
 					ADM9240_REG_TEMP) << 8) |
-					adm9240_read_value(client,
+					i2c_smbus_read_byte_data(client,
 					ADM9240_REG_TEMP_CONF)) / 128;
 
 		for (i = 0; i < 2; i++) /* read fans */
 		{
-			data->fan[i] = adm9240_read_value(client,
+			data->fan[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_FAN(i));
 
 			/* adjust fan clock divider on overflow */
@@ -747,30 +742,30 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 
 		for (i = 0; i < 6; i++)
 		{
-			data->in_min[i] = adm9240_read_value(client,
+			data->in_min[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN_MIN(i));
-			data->in_max[i] = adm9240_read_value(client,
+			data->in_max[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN_MAX(i));
 		}
 		for (i = 0; i < 2; i++)
 		{
-			data->fan_min[i] = adm9240_read_value(client,
+			data->fan_min[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_FAN_MIN(i));
 		}
-		data->temp_high = adm9240_read_value(client,
-				ADM9240_REG_TEMP_HIGH);
-		data->temp_hyst = adm9240_read_value(client,
-				ADM9240_REG_TEMP_HYST);
+		data->temp_max[0] = i2c_smbus_read_byte_data(client,
+				ADM9240_REG_TEMP_MAX(0));
+		data->temp_max[1] = i2c_smbus_read_byte_data(client,
+				ADM9240_REG_TEMP_MAX(1));
 
 		/* read fan divs and 5-bit VID */
-		i = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV);
+		i = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV);
 		data->fan_div[0] = (i >> 4) & 3;
 		data->fan_div[1] = (i >> 6) & 3;
 		data->vid = i & 0x0f;
-		data->vid |= (adm9240_read_value(client,
+		data->vid |= (i2c_smbus_read_byte_data(client,
 					ADM9240_REG_VID4) & 1) << 4;
 		/* read analog out */
-		data->aout = adm9240_read_value(client,
+		data->aout = i2c_smbus_read_byte_data(client,
 				ADM9240_REG_ANALOG_OUT);
 
 		data->last_updated_config = jiffies;
diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
index 8e34855a627..52c469722a6 100644
--- a/drivers/hwmon/asb100.c
+++ b/drivers/hwmon/asb100.c
@@ -629,19 +629,17 @@ static int asb100_detect_subclients(struct i2c_adapter *adapter, int address,
 	int i, id, err;
 	struct asb100_data *data = i2c_get_clientdata(new_client);
 
-	data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 	if (!(data->lm75[0])) {
 		err = -ENOMEM;
 		goto ERROR_SC_0;
 	}
-	memset(data->lm75[0], 0x00, sizeof(struct i2c_client));
 
-	data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 	if (!(data->lm75[1])) {
 		err = -ENOMEM;
 		goto ERROR_SC_1;
 	}
-	memset(data->lm75[1], 0x00, sizeof(struct i2c_client));
 
 	id = i2c_adapter_id(adapter);
 
@@ -724,12 +722,11 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access asb100_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct asb100_data), GFP_KERNEL))) {
-		pr_debug("asb100.o: detect failed, kmalloc failed!\n");
+	if (!(data = kzalloc(sizeof(struct asb100_data), GFP_KERNEL))) {
+		pr_debug("asb100.o: detect failed, kzalloc failed!\n");
 		err = -ENOMEM;
 		goto ERROR0;
 	}
-	memset(data, 0, sizeof(struct asb100_data));
 
 	new_client = &data->client;
 	init_MUTEX(&data->lock);
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index deb4d34c953..53324f56404 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -253,6 +253,8 @@ static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
 
 static int atxp1_attach_adapter(struct i2c_adapter *adapter)
 {
+	if (!(adapter->class & I2C_CLASS_HWMON))
+		return 0;
 	return i2c_probe(adapter, &addr_data, &atxp1_detect);
 };
 
@@ -266,12 +268,11 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct atxp1_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct atxp1_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
 
-	memset(data, 0, sizeof(struct atxp1_data));
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
 
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index b0199e063d0..34f71b7c7f3 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -180,12 +180,14 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
 
 static int ds1621_attach_adapter(struct i2c_adapter *adapter)
 {
+	if (!(adapter->class & I2C_CLASS_HWMON))
+		return 0;
 	return i2c_probe(adapter, &addr_data, ds1621_detect);
 }
 
 /* This function is called by i2c_probe */
-int ds1621_detect(struct i2c_adapter *adapter, int address,
-                  int kind)
+static int ds1621_detect(struct i2c_adapter *adapter, int address,
+			 int kind)
 {
 	int conf, temp;
 	struct i2c_client *new_client;
@@ -200,11 +202,10 @@ int ds1621_detect(struct i2c_adapter *adapter, int address,
 	/* OK. For now, we presume we have a valid client. We now create the
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access ds1621_{read,write}_value. */
-	if (!(data = kmalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct ds1621_data));
 	
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c
index eef6061d786..a02e1c34c75 100644
--- a/drivers/hwmon/fscher.c
+++ b/drivers/hwmon/fscher.c
@@ -303,11 +303,10 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* OK. For now, we presume we have a valid client. We now create the
 	 * client structure, even though we cannot fill it completely yet.
 	 * But it allows us to access i2c_smbus_read_byte_data. */
-	if (!(data = kmalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
   	}
-	memset(data, 0, sizeof(struct fscher_data));
 
 	/* The common I2C client data is placed right before the
 	 * Hermes-specific data. */
diff --git a/drivers/hwmon/fscpos.c b/drivers/hwmon/fscpos.c
index 5fc77a5fed0..64e4edc64f8 100644
--- a/drivers/hwmon/fscpos.c
+++ b/drivers/hwmon/fscpos.c
@@ -438,7 +438,7 @@ static int fscpos_attach_adapter(struct i2c_adapter *adapter)
 	return i2c_probe(adapter, &addr_data, fscpos_detect);
 }
 
-int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
+static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
 {
 	struct i2c_client *new_client;
 	struct fscpos_data *data;
@@ -453,11 +453,10 @@ int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
 	 * But it allows us to access fscpos_{read,write}_value.
 	 */
 
-	if (!(data = kmalloc(sizeof(struct fscpos_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct fscpos_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct fscpos_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c
index 256b9323c84..2f178dbe3d8 100644
--- a/drivers/hwmon/gl518sm.c
+++ b/drivers/hwmon/gl518sm.c
@@ -365,11 +365,10 @@ static int gl518_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access gl518_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct gl518_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct gl518_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct gl518_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index 12fd757066f..c39ba123942 100644
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -536,11 +536,10 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access gl520_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct gl520_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct gl520_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct gl520_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index 7f010761382..0015da5668a 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -296,11 +296,9 @@ static int hdaps_probe(struct device *dev)
 	return 0;
 }
 
-static int hdaps_resume(struct device *dev, u32 level)
+static int hdaps_resume(struct device *dev)
 {
-	if (level == RESUME_ENABLE)
-		return hdaps_device_init();
-	return 0;
+	return hdaps_device_init();
 }
 
 static struct device_driver hdaps_driver = {
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 9b41c9bd805..6f48579799b 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -45,7 +45,7 @@ struct class_device *hwmon_device_register(struct device *dev)
 		return ERR_PTR(-ENOMEM);
 
 	id = id & MAX_ID_MASK;
-	cdev = class_device_create(hwmon_class, MKDEV(0,0), dev,
+	cdev = class_device_create(hwmon_class, NULL, MKDEV(0,0), dev,
 					HWMON_ID_FORMAT, id);
 
 	if (IS_ERR(cdev))
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 53cc2b6d638..6c41e25e670 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -2,7 +2,7 @@
     it87.c - Part of lm_sensors, Linux kernel modules for hardware
              monitoring.
 
-    Supports: IT8705F  Super I/O chip w/LPC interface & SMBus
+    Supports: IT8705F  Super I/O chip w/LPC interface
               IT8712F  Super I/O chip w/LPC interface & SMBus
               Sis950   A clone of the IT8705F
 
@@ -47,7 +47,7 @@
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
 					0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned short isa_address = 0x290;
+static unsigned short isa_address;
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_2(it87, it8712);
@@ -706,7 +706,7 @@ static int it87_isa_attach_adapter(struct i2c_adapter *adapter)
 }
 
 /* SuperIO detection - will change isa_address if a chip is found */
-static int __init it87_find(int *address)
+static int __init it87_find(unsigned short *address)
 {
 	int err = -ENODEV;
 
@@ -738,7 +738,7 @@ exit:
 }
 
 /* This function is called by i2c_probe */
-int it87_detect(struct i2c_adapter *adapter, int address, int kind)
+static int it87_detect(struct i2c_adapter *adapter, int address, int kind)
 {
 	int i;
 	struct i2c_client *new_client;
@@ -757,42 +757,14 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind)
 		if (!request_region(address, IT87_EXTENT, it87_isa_driver.name))
 			goto ERROR0;
 
-	/* Probe whether there is anything available on this address. Already
-	   done for SMBus and Super-I/O clients */
-	if (kind < 0) {
-		if (is_isa && !chip_type) {
-#define REALLY_SLOW_IO
-			/* We need the timeouts for at least some IT87-like chips. But only
-			   if we read 'undefined' registers. */
-			i = inb_p(address + 1);
-			if (inb_p(address + 2) != i
-			 || inb_p(address + 3) != i
-			 || inb_p(address + 7) != i) {
-		 		err = -ENODEV;
-				goto ERROR1;
-			}
-#undef REALLY_SLOW_IO
-
-			/* Let's just hope nothing breaks here */
-			i = inb_p(address + 5) & 0x7f;
-			outb_p(~i & 0x7f, address + 5);
-			if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
-				outb_p(i, address + 5);
-				err = -ENODEV;
-				goto ERROR1;
-			}
-		}
-	}
-
-	/* OK. For now, we presume we have a valid client. We now create the
+	/* For now, we presume we have a valid client. We create the
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access it87_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct it87_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
-	memset(data, 0, sizeof(struct it87_data));
 
 	new_client = &data->client;
 	if (is_isa)
@@ -1182,20 +1154,18 @@ static struct it87_data *it87_update_device(struct device *dev)
 
 static int __init sm_it87_init(void)
 {
-	int addr, res;
-
-	if (!it87_find(&addr)) {
-		isa_address = addr;
-	}
+	int res;
 
 	res = i2c_add_driver(&it87_driver);
 	if (res)
 		return res;
 
-	res = i2c_isa_add_driver(&it87_isa_driver);
-	if (res) {
-		i2c_del_driver(&it87_driver);
-		return res;
+	if (!it87_find(&isa_address)) {
+		res = i2c_isa_add_driver(&it87_isa_driver);
+		if (res) {
+			i2c_del_driver(&it87_driver);
+			return res;
+		}
 	}
 
 	return 0;
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index be5c7095ecb..954ec249724 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -375,11 +375,10 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct lm63_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm63_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm63_data));
 
 	/* The common I2C client data is placed right before the
 	   LM63-specific data. */
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 9a3ebdf583f..d70f4c8fc1e 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -127,11 +127,10 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* OK. For now, we presume we have a valid client. We now create the
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access lm75_{read,write}_value. */
-	if (!(data = kmalloc(sizeof(struct lm75_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm75_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 866eab96a6f..9380fda7dcd 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -226,11 +226,10 @@ static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* OK. For now, we presume we have a valid client. We now create the
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access lm77_{read,write}_value. */
-	if (!(data = kmalloc(sizeof(struct lm77_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm77_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm77_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index f6730dc3573..bde0cda9477 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -480,7 +480,7 @@ static int lm78_isa_attach_adapter(struct i2c_adapter *adapter)
 }
 
 /* This function is called by i2c_probe */
-int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
+static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 {
 	int i, err;
 	struct i2c_client *new_client;
@@ -540,11 +540,10 @@ int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access lm78_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
-	memset(data, 0, sizeof(struct lm78_data));
 
 	new_client = &data->client;
 	if (is_isa)
@@ -726,7 +725,6 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
 		return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-/* Called when we have found a new LM78. It should set limits, etc. */
 static void lm78_init_client(struct i2c_client *client)
 {
 	u8 config = lm78_read_value(client, LM78_REG_CONFIG);
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 83af8b3a0ca..c359fdea211 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -393,7 +393,7 @@ static int lm80_attach_adapter(struct i2c_adapter *adapter)
 	return i2c_probe(adapter, &addr_data, lm80_detect);
 }
 
-int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
+static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
 {
 	int i, cur;
 	struct i2c_client *new_client;
@@ -407,11 +407,10 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* OK. For now, we presume we have a valid client. We now create the
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access lm80_{read,write}_value. */
-	if (!(data = kmalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm80_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index d74b2c20c71..9a70611a9f6 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -230,11 +230,10 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct lm83_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm83_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm83_data));
 
 	/* The common I2C client data is placed right after the
 	 * LM83-specific data. */
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index ab214df9624..d1070ed2bee 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1007,14 +1007,14 @@ temp_auto(1);
 temp_auto(2);
 temp_auto(3);
 
-int lm85_attach_adapter(struct i2c_adapter *adapter)
+static int lm85_attach_adapter(struct i2c_adapter *adapter)
 {
 	if (!(adapter->class & I2C_CLASS_HWMON))
 		return 0;
 	return i2c_probe(adapter, &addr_data, lm85_detect);
 }
 
-int lm85_detect(struct i2c_adapter *adapter, int address,
+static int lm85_detect(struct i2c_adapter *adapter, int address,
 		int kind)
 {
 	int company, verstep ;
@@ -1033,11 +1033,10 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access lm85_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR0;
 	}
-	memset(data, 0, sizeof(struct lm85_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -1236,7 +1235,7 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
 	return err;
 }
 
-int lm85_detach_client(struct i2c_client *client)
+static int lm85_detach_client(struct i2c_client *client)
 {
 	struct lm85_data *data = i2c_get_clientdata(client);
 	hwmon_device_unregister(data->class_dev);
@@ -1246,7 +1245,7 @@ int lm85_detach_client(struct i2c_client *client)
 }
 
 
-int lm85_read_value(struct i2c_client *client, u8 reg)
+static int lm85_read_value(struct i2c_client *client, u8 reg)
 {
 	int res;
 
@@ -1276,7 +1275,7 @@ int lm85_read_value(struct i2c_client *client, u8 reg)
 	return res ;
 }
 
-int lm85_write_value(struct i2c_client *client, u8 reg, int value)
+static int lm85_write_value(struct i2c_client *client, u8 reg, int value)
 {
 	int res ;
 
@@ -1305,7 +1304,7 @@ int lm85_write_value(struct i2c_client *client, u8 reg, int value)
 	return res ;
 }
 
-void lm85_init_client(struct i2c_client *client)
+static void lm85_init_client(struct i2c_client *client)
 {
 	int value;
 	struct lm85_data *data = i2c_get_clientdata(client);
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index dca996de4c3..eeec1817786 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -554,11 +554,10 @@ static int lm87_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct lm87_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm87_data));
 
 	/* The common I2C client data is placed right before the
 	   LM87-specific data. */
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 14de05fcd43..83cf2e1b09f 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -31,7 +31,7 @@
  * Devices. That chip is similar to the LM90, with a few differences
  * that are not handled by this driver. Complete datasheet can be
  * obtained from Analog's website at:
- *   http://products.analog.com/products/info.asp?product=ADM1032
+ *   http://www.analog.com/en/prod/0,2877,ADM1032,00.html
  * Among others, it has a higher accuracy than the LM90, much like the
  * LM86 does.
  *
@@ -49,7 +49,7 @@
  * register values are decoded differently) it is ignored by this
  * driver. Complete datasheet can be obtained from Analog's website
  * at:
- *   http://products.analog.com/products/info.asp?product=ADT7461
+ *   http://www.analog.com/en/prod/0,2877,ADT7461,00.html
  *
  * Since the LM90 was the first chipset supported by this driver, most
  * comments will refer to this chipset, but are actually general and
@@ -83,10 +83,10 @@
  * Addresses to scan
  * Address is fully defined internally and cannot be changed except for
  * MAX6659.
- * LM86, LM89, LM90, LM99, ADM1032, MAX6657 and MAX6658 have address 0x4c.
- * LM89-1, and LM99-1 have address 0x4d.
+ * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6657 and MAX6658
+ * have address 0x4c.
+ * ADM1032-2, ADT7461-2, LM89-1, and LM99-1 have address 0x4d.
  * MAX6659 can have address 0x4c, 0x4d or 0x4e (unsupported).
- * ADT7461 always has address 0x4c.
  */
 
 static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
@@ -345,10 +345,74 @@ static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst,
 static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4);
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
+/* pec used for ADM1032 only */
+static ssize_t show_pec(struct device *dev, struct device_attribute *dummy,
+			char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	return sprintf(buf, "%d\n", !!(client->flags & I2C_CLIENT_PEC));
+}
+
+static ssize_t set_pec(struct device *dev, struct device_attribute *dummy,
+		       const char *buf, size_t count)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	long val = simple_strtol(buf, NULL, 10);
+
+	switch (val) {
+	case 0:
+		client->flags &= ~I2C_CLIENT_PEC;
+		break;
+	case 1:
+		client->flags |= I2C_CLIENT_PEC;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR(pec, S_IWUSR | S_IRUGO, show_pec, set_pec);
+
 /*
  * Real code
  */
 
+/* The ADM1032 supports PEC but not on write byte transactions, so we need
+   to explicitely ask for a transaction without PEC. */
+static inline s32 adm1032_write_byte(struct i2c_client *client, u8 value)
+{
+	return i2c_smbus_xfer(client->adapter, client->addr,
+			      client->flags & ~I2C_CLIENT_PEC,
+			      I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
+}
+
+/* It is assumed that client->update_lock is held (unless we are in
+   detection or initialization steps). This matters when PEC is enabled,
+   because we don't want the address pointer to change between the write
+   byte and the read byte transactions. */
+static int lm90_read_reg(struct i2c_client* client, u8 reg, u8 *value)
+{
+	int err;
+
+ 	if (client->flags & I2C_CLIENT_PEC) {
+ 		err = adm1032_write_byte(client, reg);
+ 		if (err >= 0)
+ 			err = i2c_smbus_read_byte(client);
+ 	} else
+ 		err = i2c_smbus_read_byte_data(client, reg);
+
+	if (err < 0) {
+		dev_warn(&client->dev, "Register %#02x read failed (%d)\n",
+			 reg, err);
+		return err;
+	}
+	*value = err;
+
+	return 0;
+}
+
 static int lm90_attach_adapter(struct i2c_adapter *adapter)
 {
 	if (!(adapter->class & I2C_CLASS_HWMON))
@@ -370,11 +434,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct lm90_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm90_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm90_data));
 
 	/* The common I2C client data is placed right before the
 	   LM90-specific data. */
@@ -403,20 +466,22 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (kind < 0) { /* detection and identification */
 		u8 man_id, chip_id, reg_config1, reg_convrate;
 
-		man_id = i2c_smbus_read_byte_data(new_client,
-			 LM90_REG_R_MAN_ID);
-		chip_id = i2c_smbus_read_byte_data(new_client,
-			  LM90_REG_R_CHIP_ID);
-		reg_config1 = i2c_smbus_read_byte_data(new_client,
-			      LM90_REG_R_CONFIG1);
-		reg_convrate = i2c_smbus_read_byte_data(new_client,
-			       LM90_REG_R_CONVRATE);
+		if (lm90_read_reg(new_client, LM90_REG_R_MAN_ID,
+				  &man_id) < 0
+		 || lm90_read_reg(new_client, LM90_REG_R_CHIP_ID,
+		 		  &chip_id) < 0
+		 || lm90_read_reg(new_client, LM90_REG_R_CONFIG1,
+		 		  &reg_config1) < 0
+		 || lm90_read_reg(new_client, LM90_REG_R_CONVRATE,
+		 		  &reg_convrate) < 0)
+			goto exit_free;
 		
 		if (man_id == 0x01) { /* National Semiconductor */
 			u8 reg_config2;
 
-			reg_config2 = i2c_smbus_read_byte_data(new_client,
-				      LM90_REG_R_CONFIG2);
+			if (lm90_read_reg(new_client, LM90_REG_R_CONFIG2,
+					  &reg_config2) < 0)
+				goto exit_free;
 
 			if ((reg_config1 & 0x2A) == 0x00
 			 && (reg_config2 & 0xF8) == 0x00
@@ -435,14 +500,12 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 			}
 		} else
 		if (man_id == 0x41) { /* Analog Devices */
-			if (address == 0x4C
-			 && (chip_id & 0xF0) == 0x40 /* ADM1032 */
+			if ((chip_id & 0xF0) == 0x40 /* ADM1032 */
 			 && (reg_config1 & 0x3F) == 0x00
 			 && reg_convrate <= 0x0A) {
 				kind = adm1032;
 			} else
-			if (address == 0x4c
-			 && chip_id == 0x51 /* ADT7461 */
+			if (chip_id == 0x51 /* ADT7461 */
 			 && (reg_config1 & 0x1F) == 0x00 /* check compat mode */
 			 && reg_convrate <= 0x0A) {
 				kind = adt7461;
@@ -477,6 +540,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 		name = "lm90";
 	} else if (kind == adm1032) {
 		name = "adm1032";
+		/* The ADM1032 supports PEC, but only if combined
+		   transactions are not used. */
+		if (i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
+			new_client->flags |= I2C_CLIENT_PEC;
 	} else if (kind == lm99) {
 		name = "lm99";
 	} else if (kind == lm86) {
@@ -529,6 +596,9 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 			   &sensor_dev_attr_temp2_crit_hyst.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_alarms);
 
+	if (new_client->flags & I2C_CLIENT_PEC)
+		device_create_file(&new_client->dev, &dev_attr_pec);
+
 	return 0;
 
 exit_detach:
@@ -548,7 +618,10 @@ static void lm90_init_client(struct i2c_client *client)
 	 */
 	i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE,
 				  5); /* 2 Hz */
-	config = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG1);
+	if (lm90_read_reg(client, LM90_REG_R_CONFIG1, &config) < 0) {
+		dev_warn(&client->dev, "Initialization failed!\n");
+		return;
+	}
 	if (config & 0x40)
 		i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
 					  config & 0xBF); /* run */
@@ -576,21 +649,15 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 	down(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
-		u8 oldh, newh;
+		u8 oldh, newh, l;
 
 		dev_dbg(&client->dev, "Updating lm90 data.\n");
-		data->temp8[0] = i2c_smbus_read_byte_data(client,
-				 LM90_REG_R_LOCAL_TEMP);
-		data->temp8[1] = i2c_smbus_read_byte_data(client,
-				 LM90_REG_R_LOCAL_LOW);
-		data->temp8[2] = i2c_smbus_read_byte_data(client,
-				 LM90_REG_R_LOCAL_HIGH);
-		data->temp8[3] = i2c_smbus_read_byte_data(client,
-				 LM90_REG_R_LOCAL_CRIT);
-		data->temp8[4] = i2c_smbus_read_byte_data(client,
-				 LM90_REG_R_REMOTE_CRIT);
-		data->temp_hyst = i2c_smbus_read_byte_data(client,
-				  LM90_REG_R_TCRIT_HYST);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[1]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[2]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[3]);
+		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]);
+		lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
 
 		/*
 		 * There is a trick here. We have to read two registers to
@@ -606,36 +673,20 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		 * then we have a valid reading. Else we have to read the low
 		 * byte again, and now we believe we have a correct reading.
 		 */
-		oldh = i2c_smbus_read_byte_data(client,
-		       LM90_REG_R_REMOTE_TEMPH);
-		data->temp11[0] = i2c_smbus_read_byte_data(client,
-				  LM90_REG_R_REMOTE_TEMPL);
-		newh = i2c_smbus_read_byte_data(client,
-		       LM90_REG_R_REMOTE_TEMPH);
-		if (newh != oldh) {
-			data->temp11[0] = i2c_smbus_read_byte_data(client,
-					  LM90_REG_R_REMOTE_TEMPL);
-#ifdef DEBUG
-			oldh = i2c_smbus_read_byte_data(client,
-			       LM90_REG_R_REMOTE_TEMPH);
-			/* oldh is actually newer */
-			if (newh != oldh)
-				dev_warn(&client->dev, "Remote temperature may be "
-					 "wrong.\n");
-#endif
-		}
-		data->temp11[0] |= (newh << 8);
-
-		data->temp11[1] = (i2c_smbus_read_byte_data(client,
-				   LM90_REG_R_REMOTE_LOWH) << 8) +
-				   i2c_smbus_read_byte_data(client,
-				   LM90_REG_R_REMOTE_LOWL);
-		data->temp11[2] = (i2c_smbus_read_byte_data(client,
-				   LM90_REG_R_REMOTE_HIGHH) << 8) +
-				   i2c_smbus_read_byte_data(client,
-				   LM90_REG_R_REMOTE_HIGHL);
-		data->alarms = i2c_smbus_read_byte_data(client,
-			       LM90_REG_R_STATUS);
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &oldh) == 0
+		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0
+		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &newh) == 0
+		 && (newh == oldh
+		  || lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0))
+			data->temp11[0] = (newh << 8) | l;
+
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &newh) == 0
+		 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0)
+			data->temp11[1] = (newh << 8) | l;
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &newh) == 0
+		 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0)
+			data->temp11[2] = (newh << 8) | l;
+		lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms);
 
 		data->last_updated = jiffies;
 		data->valid = 1;
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 647b7c7cd57..7a4b3701ed1 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -300,11 +300,10 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
 					    | I2C_FUNC_SMBUS_WORD_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct lm92_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct lm92_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct lm92_data));
 
 	/* Fill in enough client fields so that we can read from the chip,
 	   which is required for identication */
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 16bf71f3a04..6a82ffae1bf 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -197,11 +197,10 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct max1619_data));
 
 	/* The common I2C client data is placed right before the
 	   MAX1619-specific data. */
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index cf2a35799c7..17f745a23d0 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -754,9 +754,8 @@ static int pc87360_detect(struct i2c_adapter *adapter)
 	const char *name = "pc87360";
 	int use_thermistors = 0;
 
-	if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+	if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
 		return -ENOMEM;
-	memset(data, 0x00, sizeof(struct pc87360_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 21aa9a41f62..9c6cadec108 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -518,11 +518,10 @@ static int sis5595_detect(struct i2c_adapter *adapter)
 			goto exit_release;
 	}
 
-	if (!(data = kmalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
-	memset(data, 0, sizeof(struct sis5595_data));
 
 	new_client = &data->client;
 	new_client->addr = address;
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 7fe71576dea..2a3e21b5b6b 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -244,11 +244,10 @@ static int smsc47b397_detect(struct i2c_adapter *adapter)
 		return -EBUSY;
 	}
 
-	if (!(data = kmalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto error_release;
 	}
-	memset(data, 0x00, sizeof(struct smsc47b397_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -299,7 +298,7 @@ static int __init smsc47b397_find(unsigned short *addr)
 	superio_enter();
 	id = superio_inb(SUPERIO_REG_DEVID);
 
-	if (id != 0x6f) {
+	if ((id != 0x6f) && (id != 0x81)) {
 		superio_exit();
 		return -ENODEV;
 	}
@@ -310,8 +309,9 @@ static int __init smsc47b397_find(unsigned short *addr)
 	*addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
 		 |  superio_inb(SUPERIO_REG_BASE_LSB);
 
-	printk(KERN_INFO "smsc47b397: found SMSC LPC47B397-NC "
-		"(base address 0x%04x, revision %u)\n", *addr, rev);
+	printk(KERN_INFO "smsc47b397: found SMSC %s "
+		"(base address 0x%04x, revision %u)\n",
+		id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);
 
 	superio_exit();
 	return 0;
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index c9cc683eba4..5905c1af88f 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -3,7 +3,7 @@
                  for hardware monitoring
 
     Supports the SMSC LPC47B27x, LPC47M10x, LPC47M13x, LPC47M14x,
-    LPC47M15x and LPC47M192 Super-I/O chips.
+    LPC47M15x, LPC47M192 and LPC47M997 Super-I/O chips.
 
     Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
     Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
@@ -356,6 +356,8 @@ static int __init smsc47m1_find(unsigned short *addr)
 	 * 0x5F) and LPC47B27x (device id 0x51) have fan control.
 	 * The LPC47M15x and LPC47M192 chips "with hardware monitoring block"
 	 * can do much more besides (device id 0x60).
+	 * The LPC47M997 is undocumented, but seems to be compatible with
+	 * the LPC47M192, and has the same device id.
 	 */
 	if (val == 0x51)
 		printk(KERN_INFO "smsc47m1: Found SMSC LPC47B27x\n");
@@ -364,7 +366,8 @@ static int __init smsc47m1_find(unsigned short *addr)
 	else if (val == 0x5F)
 		printk(KERN_INFO "smsc47m1: Found SMSC LPC47M14x\n");
 	else if (val == 0x60)
-		printk(KERN_INFO "smsc47m1: Found SMSC LPC47M15x/LPC47M192\n");
+		printk(KERN_INFO "smsc47m1: Found SMSC "
+		       "LPC47M15x/LPC47M192/LPC47M997\n");
 	else {
 		superio_exit();
 		return -ENODEV;
@@ -396,11 +399,10 @@ static int smsc47m1_detect(struct i2c_adapter *adapter)
 		return -EBUSY;
 	}
 
-	if (!(data = kmalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto error_release;
 	}
-	memset(data, 0x00, sizeof(struct smsc47m1_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index 05ddc88e7dd..6f696f89717 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -44,7 +44,7 @@
 
 /* If force_addr is set to anything different from 0, we forcibly enable
    the device at the given address. */
-static unsigned short force_addr = 0;
+static unsigned short force_addr;
 module_param(force_addr, ushort, 0);
 MODULE_PARM_DESC(force_addr,
 		 "Initialize the base address of the sensors");
@@ -198,7 +198,7 @@ static inline u8 FAN_TO_REG(long rpm, int div)
  but the function is very linear in the useful range (0-80 deg C), so
  we'll just use linear interpolation for 10-bit readings.)  So, tempLUT
  is the temp at via register values 0-255: */
-static const long tempLUT[] =
+static const s16 tempLUT[] =
 { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
 	-503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
 	-362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
@@ -270,7 +270,7 @@ static inline u8 TEMP_TO_REG(long val)
 }
 
 /* for 8-bit temperature hyst and over registers */
-#define TEMP_FROM_REG(val) (tempLUT[(val)] * 100)
+#define TEMP_FROM_REG(val)	((long)tempLUT[val] * 100)
 
 /* for 10-bit temperature readings */
 static inline long TEMP_FROM_REG10(u16 val)
@@ -589,10 +589,8 @@ static int via686a_detect(struct i2c_adapter *adapter)
 	u16 val;
 
 	/* 8231 requires multiple of 256, we enforce that on 686 as well */
-	if (force_addr)
-		address = force_addr & 0xFF00;
-
 	if (force_addr) {
+		address = force_addr & 0xFF00;
 		dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n",
 			 address);
 		if (PCIBIOS_SUCCESSFUL !=
@@ -603,11 +601,17 @@ static int via686a_detect(struct i2c_adapter *adapter)
 	    pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
 		return -ENODEV;
 	if (!(val & 0x0001)) {
-		dev_warn(&adapter->dev, "enabling sensors\n");
-		if (PCIBIOS_SUCCESSFUL !=
-		    pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
-					  val | 0x0001))
+		if (force_addr) {
+			dev_info(&adapter->dev, "enabling sensors\n");
+			if (PCIBIOS_SUCCESSFUL !=
+			    pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
+						  val | 0x0001))
+				return -ENODEV;
+		} else {
+			dev_warn(&adapter->dev, "sensors disabled - enable "
+				 "with force_addr=0x%x\n", address);
 			return -ENODEV;
+		}
 	}
 
 	/* Reserve the ISA region */
@@ -617,11 +621,10 @@ static int via686a_detect(struct i2c_adapter *adapter)
 		return -ENODEV;
 	}
 
-	if (!(data = kmalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
-	memset(data, 0, sizeof(struct via686a_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -708,7 +711,6 @@ static int via686a_detach_client(struct i2c_client *client)
 	return 0;
 }
 
-/* Called when we have found a new VIA686A. Set limits, etc. */
 static void via686a_init_client(struct i2c_client *client)
 {
 	u8 reg;
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index b60efe8f8b2..eee22a57e92 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -105,7 +105,9 @@ superio_exit(void)
  * ISA constants
  */
 
-#define REGION_LENGTH		8
+#define REGION_ALIGNMENT	~7
+#define REGION_OFFSET		5
+#define REGION_LENGTH		2
 #define ADDR_REG_OFFSET		5
 #define DATA_REG_OFFSET		6
 
@@ -673,16 +675,16 @@ static int w83627ehf_detect(struct i2c_adapter *adapter)
 	struct w83627ehf_data *data;
 	int i, err = 0;
 
-	if (!request_region(address, REGION_LENGTH, w83627ehf_driver.name)) {
+	if (!request_region(address + REGION_OFFSET, REGION_LENGTH,
+	                    w83627ehf_driver.name)) {
 		err = -EBUSY;
 		goto exit;
 	}
 
-	if (!(data = kmalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
-	memset(data, 0, sizeof(struct w83627ehf_data));
 
 	client = &data->client;
 	i2c_set_clientdata(client, data);
@@ -762,7 +764,7 @@ exit_detach:
 exit_free:
 	kfree(data);
 exit_release:
-	release_region(address, REGION_LENGTH);
+	release_region(address + REGION_OFFSET, REGION_LENGTH);
 exit:
 	return err;
 }
@@ -776,7 +778,7 @@ static int w83627ehf_detach_client(struct i2c_client *client)
 
 	if ((err = i2c_detach_client(client)))
 		return err;
-	release_region(client->addr, REGION_LENGTH);
+	release_region(client->addr + REGION_OFFSET, REGION_LENGTH);
 	kfree(data);
 
 	return 0;
@@ -807,7 +809,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr)
 	superio_select(W83627EHF_LD_HWM);
 	val = (superio_inb(SIO_REG_ADDR) << 8)
 	    | superio_inb(SIO_REG_ADDR + 1);
-	*addr = val & ~(REGION_LENGTH - 1);
+	*addr = val & REGION_ALIGNMENT;
 	if (*addr == 0) {
 		superio_exit();
 		return -ENODEV;
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 3479dc5208e..70ef926c3bd 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -142,10 +142,14 @@ superio_exit(void)
 #define WINB_BASE_REG 0x60
 /* Constants specified below */
 
-/* Length of ISA address segment */
-#define WINB_EXTENT 8
+/* Alignment of the base address */
+#define WINB_ALIGNMENT		~7
 
-/* Where are the ISA address/data registers relative to the base address */
+/* Offset & size of I/O region we are interested in */
+#define WINB_REGION_OFFSET	5
+#define WINB_REGION_SIZE	2
+
+/* Where are the sensors address/data registers relative to the base address */
 #define W83781D_ADDR_REG_OFFSET 5
 #define W83781D_DATA_REG_OFFSET 6
 
@@ -197,7 +201,6 @@ superio_exit(void)
 
 #define W83627HF_REG_PWM1 0x5A
 #define W83627HF_REG_PWM2 0x5B
-#define W83627HF_REG_PWMCLK12 0x5C
 
 #define W83627THF_REG_PWM1		0x01	/* 697HF and 637HF too */
 #define W83627THF_REG_PWM2		0x03	/* 697HF and 637HF too */
@@ -981,7 +984,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr)
 	superio_select(W83627HF_LD_HWM);
 	val = (superio_inb(WINB_BASE_REG) << 8) |
 	       superio_inb(WINB_BASE_REG + 1);
-	*addr = val & ~(WINB_EXTENT - 1);
+	*addr = val & WINB_ALIGNMENT;
 	if (*addr == 0 && force_addr == 0) {
 		superio_exit();
 		return -ENODEV;
@@ -1000,9 +1003,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
 	const char *client_name = "";
 
 	if(force_addr)
-		address = force_addr & ~(WINB_EXTENT - 1);
+		address = force_addr & WINB_ALIGNMENT;
 
-	if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) {
+	if (!request_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE,
+	                    w83627hf_driver.name)) {
 		err = -EBUSY;
 		goto ERROR0;
 	}
@@ -1041,11 +1045,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access w83627hf_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
-	memset(data, 0, sizeof(struct w83627hf_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -1148,7 +1151,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
       ERROR2:
 	kfree(data);
       ERROR1:
-	release_region(address, WINB_EXTENT);
+	release_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE);
       ERROR0:
 	return err;
 }
@@ -1163,7 +1166,7 @@ static int w83627hf_detach_client(struct i2c_client *client)
 	if ((err = i2c_detach_client(client)))
 		return err;
 
-	release_region(client->addr, WINB_EXTENT);
+	release_region(client->addr + WINB_REGION_OFFSET, WINB_REGION_SIZE);
 	kfree(data);
 
 	return 0;
@@ -1275,7 +1278,6 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
 	return 0;
 }
 
-/* Called when we have found a new W83781D. It should set limits, etc. */
 static void w83627hf_init_client(struct i2c_client *client)
 {
 	struct w83627hf_data *data = i2c_get_clientdata(client);
@@ -1369,12 +1371,6 @@ static void w83627hf_init_client(struct i2c_client *client)
 			}
 		}
 
-		if (type == w83627hf) {
-			/* enable PWM2 control (can't hurt since PWM reg
-		           should have been reset to 0xff) */
-			w83627hf_write_value(client, W83627HF_REG_PWMCLK12,
-					    0x19);
-		}
 		/* enable comparator mode for temp2 and temp3 so
 	           alarm indication will work correctly */
 		i = w83627hf_read_value(client, W83781D_REG_IRQ);
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 4c43337ca78..9265f32122f 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -889,12 +889,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
 	const char *client_name = "";
 	struct w83781d_data *data = i2c_get_clientdata(new_client);
 
-	data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 	if (!(data->lm75[0])) {
 		err = -ENOMEM;
 		goto ERROR_SC_0;
 	}
-	memset(data->lm75[0], 0x00, sizeof (struct i2c_client));
 
 	id = i2c_adapter_id(adapter);
 
@@ -919,13 +918,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
 	}
 
 	if (kind != w83783s) {
-
-		data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+		data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 		if (!(data->lm75[1])) {
 			err = -ENOMEM;
 			goto ERROR_SC_1;
 		}
-		memset(data->lm75[1], 0x0, sizeof(struct i2c_client));
 
 		if (force_subclients[0] == id &&
 		    force_subclients[1] == address) {
@@ -1064,11 +1061,10 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access w83781d_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
-	memset(data, 0, sizeof(struct w83781d_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -1451,7 +1447,6 @@ w83781d_write_value(struct i2c_client *client, u16 reg, u16 value)
 	return 0;
 }
 
-/* Called when we have found a new W83781D. It should set limits, etc. */
 static void
 w83781d_init_client(struct i2c_client *client)
 {
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index ba0c28015f6..4be59dbb78c 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -1086,11 +1086,10 @@ w83792d_create_subclient(struct i2c_adapter *adapter,
 	int err;
 	struct i2c_client *sub_client;
 
-	(*sub_cli) = sub_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	(*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 	if (!(sub_client)) {
 		return -ENOMEM;
 	}
-	memset(sub_client, 0x00, sizeof(struct i2c_client));
 	sub_client->addr = 0x48 + addr;
 	i2c_set_clientdata(sub_client, NULL);
 	sub_client->adapter = adapter;
@@ -1184,11 +1183,10 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
 	   client structure, even though we cannot fill it completely yet.
 	   But it allows us to access w83792d_{read,write}_value. */
 
-	if (!(data = kmalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR0;
 	}
-	memset(data, 0, sizeof(struct w83792d_data));
 
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
@@ -1429,7 +1427,6 @@ w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
 	return 0;
 }
 
-/* Called when we have found a new W83792D. It should set limits, etc. */
 static void
 w83792d_init_client(struct i2c_client *client)
 {
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 133e34ab1d0..f495b637866 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -37,6 +37,7 @@
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 
 /* How many retries on register read error */
@@ -73,7 +74,7 @@ I2C_CLIENT_INSMOD_1(w83l785ts);
  * The W83L785TS-S uses signed 8-bit values.
  */
 
-#define TEMP_FROM_REG(val)	((val & 0x80 ? val-0x100 : val) * 1000)
+#define TEMP_FROM_REG(val)	((val) * 1000)
 
 /*
  * Functions declaration
@@ -111,27 +112,24 @@ struct w83l785ts_data {
 	unsigned long last_updated; /* in jiffies */
 
 	/* registers values */
-	u8 temp, temp_over;
+	s8 temp[2]; /* 0: input
+		       1: critical limit */
 };
 
 /*
  * Sysfs stuff
  */
 
-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 *devattr,
+	char *buf)
 {
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct w83l785ts_data *data = w83l785ts_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
+	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
 }
 
-static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct w83l785ts_data *data = w83l785ts_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
-}
-
-static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
-static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_over, NULL);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, 1);
 
 /*
  * Real code
@@ -158,12 +156,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct w83l785ts_data));
-
 
 	/* The common I2C client data is placed right before the
 	 * W83L785TS-specific data. */
@@ -228,7 +224,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
 	init_MUTEX(&data->update_lock);
 
 	/* Default values in case the first read fails (unlikely). */
-	data->temp_over = data->temp = 0;
+	data->temp[1] = data->temp[0] = 0;
 
 	/* Tell the I2C layer a new client has arrived. */
 	if ((err = i2c_attach_client(new_client))) 
@@ -246,8 +242,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
 		goto exit_detach;
 	}
 
-	device_create_file(&new_client->dev, &dev_attr_temp1_input);
-	device_create_file(&new_client->dev, &dev_attr_temp1_max);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_input.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_max.dev_attr);
 
 	return 0;
 
@@ -305,10 +303,10 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
 
 	if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
 		dev_dbg(&client->dev, "Updating w83l785ts data.\n");
-		data->temp = w83l785ts_read_value(client,
-			     W83L785TS_REG_TEMP, data->temp);
-		data->temp_over = w83l785ts_read_value(client,
-				  W83L785TS_REG_TEMP_OVER, data->temp_over);
+		data->temp[0] = w83l785ts_read_value(client,
+				W83L785TS_REG_TEMP, data->temp[0]);
+		data->temp[1] = w83l785ts_read_value(client,
+				W83L785TS_REG_TEMP_OVER, data->temp[1]);
 
 		data->last_updated = jiffies;
 		data->valid = 1;