Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: (44 commits)
  hwmon: (w83l786ng) Convert to a new-style i2c driver
  hwmon: (w83l785ts) Convert to a new-style i2c driver
  hwmon: (w83793) Convert to a new-style i2c driver
  hwmon: (w83792d) Convert to a new-style i2c driver
  hwmon: (w83791d) Convert to a new-style i2c driver
  hwmon: (thmc50) Convert to a new-style i2c driver
  hwmon: (smsc47m192) Convert to a new-style i2c driver
  hwmon: (max6650) Convert to a new-style i2c driver
  hwmon: (max1619) Convert to a new-style i2c driver
  hwmon: (lm93) Convert to a new-style i2c driver
  hwmon: (lm92) Convert to a new-style i2c driver
  hwmon: (lm90) Convert to a new-style i2c driver
  hwmon: (lm87) Convert to a new-style i2c driver
  hwmon: (lm83) Convert to a new-style i2c driver
  hwmon: (lm80) Convert to a new-style i2c driver
  hwmon: (lm77) Convert to a new-style i2c driver
  hwmon: (lm63) Convert to a new-style i2c driver
  hwmon: (gl520sm) Convert to a new-style i2c driver
  hwmon: (gl518sm) Convert to a new-style i2c driver
  hwmon: (fscpos) Convert to a new-style i2c driver
  ...

9 files changed, 280 insertions, 401 deletions

diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 2f150e33c74..72872d1e63e 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -155,6 +155,16 @@ static int __init amd756_s4882_init(void)
 	int i, error;
 	union i2c_smbus_data ioconfig;
 
+	/* Configure the PCA9556 multiplexer */
+	ioconfig.byte = 0x00; /* All I/O to output mode */
+	error = i2c_smbus_xfer(&amd756_smbus, 0x18, 0, I2C_SMBUS_WRITE, 0x03,
+			       I2C_SMBUS_BYTE_DATA, &ioconfig);
+	if (error) {
+		dev_err(&amd756_smbus.dev, "PCA9556 configuration failed\n");
+		error = -EIO;
+		goto ERROR0;
+	}
+
 	/* Unregister physical bus */
 	error = i2c_del_adapter(&amd756_smbus);
 	if (error) {
@@ -198,22 +208,11 @@ static int __init amd756_s4882_init(void)
 	s4882_algo[3].smbus_xfer = amd756_access_virt3;
 	s4882_algo[4].smbus_xfer = amd756_access_virt4;
 
-	/* Configure the PCA9556 multiplexer */
-	ioconfig.byte = 0x00; /* All I/O to output mode */
-	error = amd756_smbus.algo->smbus_xfer(&amd756_smbus, 0x18, 0,
-					      I2C_SMBUS_WRITE, 0x03,
-					      I2C_SMBUS_BYTE_DATA, &ioconfig);
-	if (error) {
-		dev_err(&amd756_smbus.dev, "PCA9556 configuration failed\n");
-		error = -EIO;
-		goto ERROR3;
-	}
-
 	/* Register virtual adapters */
 	for (i = 0; i < 5; i++) {
 		error = i2c_add_adapter(s4882_adapter+i);
 		if (error) {
-			dev_err(&amd756_smbus.dev,
+			printk(KERN_ERR "i2c-amd756-s4882: "
 			       "Virtual adapter %d registration "
 			       "failed, module not inserted\n", i);
 			for (i--; i >= 0; i--)
@@ -252,8 +251,8 @@ static void __exit amd756_s4882_exit(void)
 
 	/* Restore physical bus */
 	if (i2c_add_adapter(&amd756_smbus))
-		dev_err(&amd756_smbus.dev, "Physical bus restoration "
-			"failed\n");
+		printk(KERN_ERR "i2c-amd756-s4882: "
+		       "Physical bus restoration failed\n");
 }
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c
index 6a8995dfd0b..d1a4cbcf2aa 100644
--- a/drivers/i2c/busses/i2c-nforce2-s4985.c
+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c
@@ -150,6 +150,16 @@ static int __init nforce2_s4985_init(void)
 	int i, error;
 	union i2c_smbus_data ioconfig;
 
+	/* Configure the PCA9556 multiplexer */
+	ioconfig.byte = 0x00; /* All I/O to output mode */
+	error = i2c_smbus_xfer(nforce2_smbus, 0x18, 0, I2C_SMBUS_WRITE, 0x03,
+			       I2C_SMBUS_BYTE_DATA, &ioconfig);
+	if (error) {
+		dev_err(&nforce2_smbus->dev, "PCA9556 configuration failed\n");
+		error = -EIO;
+		goto ERROR0;
+	}
+
 	/* Unregister physical bus */
 	if (!nforce2_smbus)
 		return -ENODEV;
@@ -191,24 +201,13 @@ static int __init nforce2_s4985_init(void)
 	s4985_algo[3].smbus_xfer = nforce2_access_virt3;
 	s4985_algo[4].smbus_xfer = nforce2_access_virt4;
 
-	/* Configure the PCA9556 multiplexer */
-	ioconfig.byte = 0x00; /* All I/O to output mode */
-	error = nforce2_smbus->algo->smbus_xfer(nforce2_smbus, 0x18, 0,
-						I2C_SMBUS_WRITE, 0x03,
-						I2C_SMBUS_BYTE_DATA, &ioconfig);
-	if (error) {
-		dev_err(&nforce2_smbus->dev, "PCA9556 configuration failed\n");
-		error = -EIO;
-		goto ERROR3;
-	}
-
 	/* Register virtual adapters */
 	for (i = 0; i < 5; i++) {
 		error = i2c_add_adapter(s4985_adapter + i);
 		if (error) {
-			dev_err(&nforce2_smbus->dev,
-				"Virtual adapter %d registration "
-				"failed, module not inserted\n", i);
+			printk(KERN_ERR "i2c-nforce2-s4985: "
+			       "Virtual adapter %d registration "
+			       "failed, module not inserted\n", i);
 			for (i--; i >= 0; i--)
 				i2c_del_adapter(s4985_adapter + i);
 			goto ERROR3;
@@ -245,8 +244,8 @@ static void __exit nforce2_s4985_exit(void)
 
 	/* Restore physical bus */
 	if (i2c_add_adapter(nforce2_smbus))
-		dev_err(&nforce2_smbus->dev, "Physical bus restoration "
-			"failed\n");
+		printk(KERN_ERR "i2c-nforce2-s4985: "
+		       "Physical bus restoration failed\n");
 }
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
index 373ea8d8fe8..2c27193aeaa 100644
--- a/drivers/i2c/chips/eeprom.c
+++ b/drivers/i2c/chips/eeprom.c
@@ -47,7 +47,6 @@ enum eeprom_nature {
 
 /* Each client has this additional data */
 struct eeprom_data {
-	struct i2c_client client;
 	struct mutex update_lock;
 	u8 valid;			/* bitfield, bit!=0 if slice is valid */
 	unsigned long last_updated[8];	/* In jiffies, 8 slices */
@@ -56,19 +55,6 @@ struct eeprom_data {
 };
 
 
-static int eeprom_attach_adapter(struct i2c_adapter *adapter);
-static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind);
-static int eeprom_detach_client(struct i2c_client *client);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver eeprom_driver = {
-	.driver = {
-		.name	= "eeprom",
-	},
-	.attach_adapter	= eeprom_attach_adapter,
-	.detach_client	= eeprom_detach_client,
-};
-
 static void eeprom_update_client(struct i2c_client *client, u8 slice)
 {
 	struct eeprom_data *data = i2c_get_clientdata(client);
@@ -148,25 +134,17 @@ static struct bin_attribute eeprom_attr = {
 	.read = eeprom_read,
 };
 
-static int eeprom_attach_adapter(struct i2c_adapter *adapter)
-{
-	if (!(adapter->class & (I2C_CLASS_DDC | I2C_CLASS_SPD)))
-		return 0;
-	return i2c_probe(adapter, &addr_data, eeprom_detect);
-}
-
-/* This function is called by i2c_probe */
-static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int eeprom_detect(struct i2c_client *client, int kind,
+			 struct i2c_board_info *info)
 {
-	struct i2c_client *client;
-	struct eeprom_data *data;
-	int err = 0;
+	struct i2c_adapter *adapter = client->adapter;
 
 	/* EDID EEPROMs are often 24C00 EEPROMs, which answer to all
 	   addresses 0x50-0x57, but we only care about 0x50. So decline
 	   attaching to addresses >= 0x51 on DDC buses */
-	if (!(adapter->class & I2C_CLASS_SPD) && address >= 0x51)
-		goto exit;
+	if (!(adapter->class & I2C_CLASS_SPD) && client->addr >= 0x51)
+		return -ENODEV;
 
 	/* There are four ways we can read the EEPROM data:
 	   (1) I2C block reads (faster, but unsupported by most adapters)
@@ -177,32 +155,33 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
 	   because all known adapters support one of the first two. */
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)
 	 && !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK))
-		goto exit;
+		return -ENODEV;
+
+	strlcpy(info->type, "eeprom", I2C_NAME_SIZE);
+
+	return 0;
+}
+
+static int eeprom_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct i2c_adapter *adapter = client->adapter;
+	struct eeprom_data *data;
+	int err;
 
 	if (!(data = kzalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
 
-	client = &data->client;
 	memset(data->data, 0xff, EEPROM_SIZE);
 	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &eeprom_driver;
-
-	/* Fill in the remaining client fields */
-	strlcpy(client->name, "eeprom", I2C_NAME_SIZE);
 	mutex_init(&data->update_lock);
 	data->nature = UNKNOWN;
 
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(client)))
-		goto exit_kfree;
-
 	/* Detect the Vaio nature of EEPROMs.
 	   We use the "PCG-" or "VGN-" prefix as the signature. */
-	if (address == 0x57
+	if (client->addr == 0x57
 	 && i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA)) {
 		char name[4];
 
@@ -221,33 +200,42 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* create the sysfs eeprom file */
 	err = sysfs_create_bin_file(&client->dev.kobj, &eeprom_attr);
 	if (err)
-		goto exit_detach;
+		goto exit_kfree;
 
 	return 0;
 
-exit_detach:
-	i2c_detach_client(client);
 exit_kfree:
 	kfree(data);
 exit:
 	return err;
 }
 
-static int eeprom_detach_client(struct i2c_client *client)
+static int eeprom_remove(struct i2c_client *client)
 {
-	int err;
-
 	sysfs_remove_bin_file(&client->dev.kobj, &eeprom_attr);
-
-	err = i2c_detach_client(client);
-	if (err)
-		return err;
-
 	kfree(i2c_get_clientdata(client));
 
 	return 0;
 }
 
+static const struct i2c_device_id eeprom_id[] = {
+	{ "eeprom", 0 },
+	{ }
+};
+
+static struct i2c_driver eeprom_driver = {
+	.driver = {
+		.name	= "eeprom",
+	},
+	.probe		= eeprom_probe,
+	.remove		= eeprom_remove,
+	.id_table	= eeprom_id,
+
+	.class		= I2C_CLASS_DDC | I2C_CLASS_SPD,
+	.detect		= eeprom_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init eeprom_init(void)
 {
 	return i2c_add_driver(&eeprom_driver);
diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c
index 5a0285d8b6f..033d9d81ec8 100644
--- a/drivers/i2c/chips/max6875.c
+++ b/drivers/i2c/chips/max6875.c
@@ -53,7 +53,7 @@ I2C_CLIENT_INSMOD_1(max6875);
 
 /* Each client has this additional data */
 struct max6875_data {
-	struct i2c_client	client;
+	struct i2c_client	*fake_client;
 	struct mutex		update_lock;
 
 	u32			valid;
@@ -61,19 +61,6 @@ struct max6875_data {
 	unsigned long		last_updated[USER_EEPROM_SLICES];
 };
 
-static int max6875_attach_adapter(struct i2c_adapter *adapter);
-static int max6875_detect(struct i2c_adapter *adapter, int address, int kind);
-static int max6875_detach_client(struct i2c_client *client);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver max6875_driver = {
-	.driver = {
-		.name	= "max6875",
-	},
-	.attach_adapter	= max6875_attach_adapter,
-	.detach_client	= max6875_detach_client,
-};
-
 static void max6875_update_slice(struct i2c_client *client, int slice)
 {
 	struct max6875_data *data = i2c_get_clientdata(client);
@@ -159,96 +146,87 @@ static struct bin_attribute user_eeprom_attr = {
 	.read = max6875_read,
 };
 
-static int max6875_attach_adapter(struct i2c_adapter *adapter)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int max6875_detect(struct i2c_client *client, int kind,
+			  struct i2c_board_info *info)
 {
-	return i2c_probe(adapter, &addr_data, max6875_detect);
-}
-
-/* This function is called by i2c_probe */
-static int max6875_detect(struct i2c_adapter *adapter, int address, int kind)
-{
-	struct i2c_client *real_client;
-	struct i2c_client *fake_client;
-	struct max6875_data *data;
-	int err;
+	struct i2c_adapter *adapter = client->adapter;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE_DATA
 				     | I2C_FUNC_SMBUS_READ_BYTE))
-		return 0;
+		return -ENODEV;
 
 	/* Only check even addresses */
-	if (address & 1)
-		return 0;
+	if (client->addr & 1)
+		return -ENODEV;
+
+	strlcpy(info->type, "max6875", I2C_NAME_SIZE);
+
+	return 0;
+}
+
+static int max6875_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct max6875_data *data;
+	int err;
 
 	if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
 		return -ENOMEM;
 
 	/* A fake client is created on the odd address */
-	if (!(fake_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
+	data->fake_client = i2c_new_dummy(client->adapter, client->addr + 1);
+	if (!data->fake_client) {
 		err = -ENOMEM;
-		goto exit_kfree1;
+		goto exit_kfree;
 	}
 
 	/* Init real i2c_client */
-	real_client = &data->client;
-	i2c_set_clientdata(real_client, data);
-	real_client->addr = address;
-	real_client->adapter = adapter;
-	real_client->driver = &max6875_driver;
-	strlcpy(real_client->name, "max6875", I2C_NAME_SIZE);
+	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
 
-	/* Init fake client data */
-	i2c_set_clientdata(fake_client, NULL);
-	fake_client->addr = address | 1;
-	fake_client->adapter = adapter;
-	fake_client->driver = &max6875_driver;
-	strlcpy(fake_client->name, "max6875 subclient", I2C_NAME_SIZE);
-
-	if ((err = i2c_attach_client(real_client)) != 0)
-		goto exit_kfree2;
-
-	if ((err = i2c_attach_client(fake_client)) != 0)
-		goto exit_detach1;
-
-	err = sysfs_create_bin_file(&real_client->dev.kobj, &user_eeprom_attr);
+	err = sysfs_create_bin_file(&client->dev.kobj, &user_eeprom_attr);
 	if (err)
-		goto exit_detach2;
+		goto exit_remove_fake;
 
 	return 0;
 
-exit_detach2:
-	i2c_detach_client(fake_client);
-exit_detach1:
-	i2c_detach_client(real_client);
-exit_kfree2:
-	kfree(fake_client);
-exit_kfree1:
+exit_remove_fake:
+	i2c_unregister_device(data->fake_client);
+exit_kfree:
 	kfree(data);
 	return err;
 }
 
-/* Will be called for both the real client and the fake client */
-static int max6875_detach_client(struct i2c_client *client)
+static int max6875_remove(struct i2c_client *client)
 {
-	int err;
 	struct max6875_data *data = i2c_get_clientdata(client);
 
-	/* data is NULL for the fake client */
-	if (data)
-		sysfs_remove_bin_file(&client->dev.kobj, &user_eeprom_attr);
+	i2c_unregister_device(data->fake_client);
 
-	err = i2c_detach_client(client);
-	if (err)
-		return err;
+	sysfs_remove_bin_file(&client->dev.kobj, &user_eeprom_attr);
+	kfree(data);
 
-	if (data)		/* real client */
-		kfree(data);
-	else			/* fake client */
-		kfree(client);
 	return 0;
 }
 
+static const struct i2c_device_id max6875_id[] = {
+	{ "max6875", 0 },
+	{ }
+};
+
+static struct i2c_driver max6875_driver = {
+	.driver = {
+		.name	= "max6875",
+	},
+	.probe		= max6875_probe,
+	.remove		= max6875_remove,
+	.id_table	= max6875_id,
+
+	.detect		= max6875_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init max6875_init(void)
 {
 	return i2c_add_driver(&max6875_driver);
diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c
index 58ab7f26be2..270de4e56a8 100644
--- a/drivers/i2c/chips/pca9539.c
+++ b/drivers/i2c/chips/pca9539.c
@@ -14,8 +14,8 @@
 #include <linux/i2c.h>
 #include <linux/hwmon-sysfs.h>
 
-/* Addresses to scan */
-static unsigned short normal_i2c[] = {0x74, 0x75, 0x76, 0x77, I2C_CLIENT_END};
+/* Addresses to scan: none, device is not autodetected */
+static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_1(pca9539);
@@ -32,23 +32,6 @@ enum pca9539_cmd
 	PCA9539_DIRECTION_1	= 7,
 };
 
-static int pca9539_attach_adapter(struct i2c_adapter *adapter);
-static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind);
-static int pca9539_detach_client(struct i2c_client *client);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver pca9539_driver = {
-	.driver = {
-		.name	= "pca9539",
-	},
-	.attach_adapter	= pca9539_attach_adapter,
-	.detach_client	= pca9539_detach_client,
-};
-
-struct pca9539_data {
-	struct i2c_client client;
-};
-
 /* following are the sysfs callback functions */
 static ssize_t pca9539_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
@@ -105,77 +88,51 @@ static struct attribute_group pca9539_defattr_group = {
 	.attrs = pca9539_attributes,
 };
 
-static int pca9539_attach_adapter(struct i2c_adapter *adapter)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int pca9539_detect(struct i2c_client *client, int kind,
+			  struct i2c_board_info *info)
 {
-	return i2c_probe(adapter, &addr_data, pca9539_detect);
-}
-
-/* This function is called by i2c_probe */
-static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind)
-{
-	struct i2c_client *client;
-	struct pca9539_data *data;
-	int err = 0;
+	struct i2c_adapter *adapter = client->adapter;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		goto exit;
-
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet. */
-	if (!(data = kzalloc(sizeof(struct pca9539_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto exit;
-	}
-
-	client = &data->client;
-	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &pca9539_driver;
-
-	if (kind < 0) {
-		/* Detection: the pca9539 only has 8 registers (0-7).
-		   A read of 7 should succeed, but a read of 8 should fail. */
-		if ((i2c_smbus_read_byte_data(client, 7) < 0) ||
-		    (i2c_smbus_read_byte_data(client, 8) >= 0))
-			goto exit_kfree;
-	}
-
-	strlcpy(client->name, "pca9539", I2C_NAME_SIZE);
-
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(client)))
-		goto exit_kfree;
+		return -ENODEV;
 
-	/* Register sysfs hooks */
-	err = sysfs_create_group(&client->dev.kobj,
-				 &pca9539_defattr_group);
-	if (err)
-		goto exit_detach;
+	strlcpy(info->type, "pca9539", I2C_NAME_SIZE);
 
 	return 0;
-
-exit_detach:
-	i2c_detach_client(client);
-exit_kfree:
-	kfree(data);
-exit:
-	return err;
 }
 
-static int pca9539_detach_client(struct i2c_client *client)
+static int pca9539_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
 {
-	int err;
+	/* Register sysfs hooks */
+	return sysfs_create_group(&client->dev.kobj,
+				  &pca9539_defattr_group);
+}
 
+static int pca9539_remove(struct i2c_client *client)
+{
 	sysfs_remove_group(&client->dev.kobj, &pca9539_defattr_group);
-
-	if ((err = i2c_detach_client(client)))
-		return err;
-
-	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
+static const struct i2c_device_id pca9539_id[] = {
+	{ "pca9539", 0 },
+	{ }
+};
+
+static struct i2c_driver pca9539_driver = {
+	.driver = {
+		.name	= "pca9539",
+	},
+	.probe		= pca9539_probe,
+	.remove		= pca9539_remove,
+	.id_table	= pca9539_id,
+
+	.detect		= pca9539_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init pca9539_init(void)
 {
 	return i2c_add_driver(&pca9539_driver);
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index 1b3db2b3ada..6ec309894c8 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -38,37 +38,19 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 
-/* Addresses to scan */
-static const unsigned short normal_i2c[] = {
-	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
-	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
-	I2C_CLIENT_END
-};
+/* Addresses to scan: none, device can't be detected */
+static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_2(pcf8574, pcf8574a);
 
 /* Each client has this additional data */
 struct pcf8574_data {
-	struct i2c_client client;
-
 	int write;			/* Remember last written value */
 };
 
-static int pcf8574_attach_adapter(struct i2c_adapter *adapter);
-static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind);
-static int pcf8574_detach_client(struct i2c_client *client);
 static void pcf8574_init_client(struct i2c_client *client);
 
-/* This is the driver that will be inserted */
-static struct i2c_driver pcf8574_driver = {
-	.driver = {
-		.name	= "pcf8574",
-	},
-	.attach_adapter	= pcf8574_attach_adapter,
-	.detach_client	= pcf8574_detach_client,
-};
-
 /* following are the sysfs callback functions */
 static ssize_t show_read(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -119,41 +101,22 @@ static const struct attribute_group pcf8574_attr_group = {
  * Real code
  */
 
-static int pcf8574_attach_adapter(struct i2c_adapter *adapter)
-{
-	return i2c_probe(adapter, &addr_data, pcf8574_detect);
-}
-
-/* This function is called by i2c_probe */
-static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int pcf8574_detect(struct i2c_client *client, int kind,
+			  struct i2c_board_info *info)
 {
-	struct i2c_client *client;
-	struct pcf8574_data *data;
-	int err = 0;
-	const char *client_name = "";
+	struct i2c_adapter *adapter = client->adapter;
+	const char *client_name;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
-		goto exit;
-
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet. */
-	if (!(data = kzalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto exit;
-	}
-
-	client = &data->client;
-	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &pcf8574_driver;
+		return -ENODEV;
 
 	/* Now, we would do the remaining detection. But the PCF8574 is plainly
 	   impossible to detect! Stupid chip. */
 
 	/* Determine the chip type */
 	if (kind <= 0) {
-		if (address >= 0x38 && address <= 0x3f)
+		if (client->addr >= 0x38 && client->addr <= 0x3f)
 			kind = pcf8574a;
 		else
 			kind = pcf8574;
@@ -163,40 +126,43 @@ static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
 		client_name = "pcf8574a";
 	else
 		client_name = "pcf8574";
+	strlcpy(info->type, client_name, I2C_NAME_SIZE);
 
-	/* Fill in the remaining client fields and put it into the global list */
-	strlcpy(client->name, client_name, I2C_NAME_SIZE);
+	return 0;
+}
+
+static int pcf8574_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct pcf8574_data *data;
+	int err;
+
+	data = kzalloc(sizeof(struct pcf8574_data), GFP_KERNEL);
+	if (!data) {
+		err = -ENOMEM;
+		goto exit;
+	}
+
+	i2c_set_clientdata(client, data);
 
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(client)))
-		goto exit_free;
-	
 	/* Initialize the PCF8574 chip */
 	pcf8574_init_client(client);
 
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &pcf8574_attr_group);
 	if (err)
-		goto exit_detach;
+		goto exit_free;
 	return 0;
 
-      exit_detach:
-	i2c_detach_client(client);
       exit_free:
 	kfree(data);
       exit:
 	return err;
 }
 
-static int pcf8574_detach_client(struct i2c_client *client)
+static int pcf8574_remove(struct i2c_client *client)
 {
-	int err;
-
 	sysfs_remove_group(&client->dev.kobj, &pcf8574_attr_group);
-
-	if ((err = i2c_detach_client(client)))
-		return err;
-
 	kfree(i2c_get_clientdata(client));
 	return 0;
 }
@@ -208,6 +174,24 @@ static void pcf8574_init_client(struct i2c_client *client)
 	data->write = -EAGAIN;
 }
 
+static const struct i2c_device_id pcf8574_id[] = {
+	{ "pcf8574", 0 },
+	{ "pcf8574a", 0 },
+	{ }
+};
+
+static struct i2c_driver pcf8574_driver = {
+	.driver = {
+		.name	= "pcf8574",
+	},
+	.probe		= pcf8574_probe,
+	.remove		= pcf8574_remove,
+	.id_table	= pcf8574_id,
+
+	.detect		= pcf8574_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init pcf8574_init(void)
 {
 	return i2c_add_driver(&pcf8574_driver);
diff --git a/drivers/i2c/chips/pcf8575.c b/drivers/i2c/chips/pcf8575.c
index 3ea08ac0bfa..07fd7cb3c57 100644
--- a/drivers/i2c/chips/pcf8575.c
+++ b/drivers/i2c/chips/pcf8575.c
@@ -32,11 +32,8 @@
 #include <linux/slab.h>  /* kzalloc() */
 #include <linux/sysfs.h> /* sysfs_create_group() */
 
-/* Addresses to scan */
-static const unsigned short normal_i2c[] = {
-	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
-	I2C_CLIENT_END
-};
+/* Addresses to scan: none, device can't be detected */
+static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD;
@@ -44,24 +41,9 @@ I2C_CLIENT_INSMOD;
 
 /* Each client has this additional data */
 struct pcf8575_data {
-	struct i2c_client client;
 	int write;		/* last written value, or error code */
 };
 
-static int pcf8575_attach_adapter(struct i2c_adapter *adapter);
-static int pcf8575_detect(struct i2c_adapter *adapter, int address, int kind);
-static int pcf8575_detach_client(struct i2c_client *client);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver pcf8575_driver = {
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "pcf8575",
-	},
-	.attach_adapter	= pcf8575_attach_adapter,
-	.detach_client	= pcf8575_detach_client,
-};
-
 /* following are the sysfs callback functions */
 static ssize_t show_read(struct device *dev, struct device_attribute *attr,
 			 char *buf)
@@ -126,75 +108,77 @@ static const struct attribute_group pcf8575_attr_group = {
  * Real code
  */
 
-static int pcf8575_attach_adapter(struct i2c_adapter *adapter)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int pcf8575_detect(struct i2c_client *client, int kind,
+			  struct i2c_board_info *info)
 {
-	return i2c_probe(adapter, &addr_data, pcf8575_detect);
+	struct i2c_adapter *adapter = client->adapter;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
+		return -ENODEV;
+
+	/* This is the place to detect whether the chip at the specified
+	   address really is a PCF8575 chip. However, there is no method known
+	   to detect whether an I2C chip is a PCF8575 or any other I2C chip. */
+
+	strlcpy(info->type, "pcf8575", I2C_NAME_SIZE);
+
+	return 0;
 }
 
-/* This function is called by i2c_probe */
-static int pcf8575_detect(struct i2c_adapter *adapter, int address, int kind)
+static int pcf8575_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
 {
-	struct i2c_client *client;
 	struct pcf8575_data *data;
-	int err = 0;
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
-		goto exit;
+	int err;
 
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet. */
 	data = kzalloc(sizeof(struct pcf8575_data), GFP_KERNEL);
 	if (!data) {
 		err = -ENOMEM;
 		goto exit;
 	}
 
-	client = &data->client;
 	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &pcf8575_driver;
-	strlcpy(client->name, "pcf8575", I2C_NAME_SIZE);
 	data->write = -EAGAIN;
 
-	/* This is the place to detect whether the chip at the specified
-	   address really is a PCF8575 chip. However, there is no method known
-	   to detect whether an I2C chip is a PCF8575 or any other I2C chip. */
-
-	/* Tell the I2C layer a new client has arrived */
-	err = i2c_attach_client(client);
-	if (err)
-		goto exit_free;
-
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &pcf8575_attr_group);
 	if (err)
-		goto exit_detach;
+		goto exit_free;
 
 	return 0;
 
-exit_detach:
-	i2c_detach_client(client);
 exit_free:
 	kfree(data);
 exit:
 	return err;
 }
 
-static int pcf8575_detach_client(struct i2c_client *client)
+static int pcf8575_remove(struct i2c_client *client)
 {
-	int err;
-
 	sysfs_remove_group(&client->dev.kobj, &pcf8575_attr_group);
-
-	err = i2c_detach_client(client);
-	if (err)
-		return err;
-
 	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
+static const struct i2c_device_id pcf8575_id[] = {
+	{ "pcf8575", 0 },
+	{ }
+};
+
+static struct i2c_driver pcf8575_driver = {
+	.driver = {
+		.owner	= THIS_MODULE,
+		.name	= "pcf8575",
+	},
+	.probe		= pcf8575_probe,
+	.remove		= pcf8575_remove,
+	.id_table	= pcf8575_id,
+
+	.detect		= pcf8575_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init pcf8575_init(void)
 {
 	return i2c_add_driver(&pcf8575_driver);
diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c
index db735379f22..16ce3e19377 100644
--- a/drivers/i2c/chips/pcf8591.c
+++ b/drivers/i2c/chips/pcf8591.c
@@ -72,28 +72,15 @@ MODULE_PARM_DESC(input_mode,
 #define REG_TO_SIGNED(reg)	(((reg) & 0x80)?((reg) - 256):(reg))
 
 struct pcf8591_data {
-	struct i2c_client client;
 	struct mutex update_lock;
 
 	u8 control;
 	u8 aout;
 };
 
-static int pcf8591_attach_adapter(struct i2c_adapter *adapter);
-static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind);
-static int pcf8591_detach_client(struct i2c_client *client);
 static void pcf8591_init_client(struct i2c_client *client);
 static int pcf8591_read_channel(struct device *dev, int channel);
 
-/* This is the driver that will be inserted */
-static struct i2c_driver pcf8591_driver = {
-	.driver = {
-		.name	= "pcf8591",
-	},
-	.attach_adapter	= pcf8591_attach_adapter,
-	.detach_client	= pcf8591_detach_client,
-};
-
 /* following are the sysfs callback functions */
 #define show_in_channel(channel)					\
 static ssize_t show_in##channel##_input(struct device *dev, struct device_attribute *attr, char *buf)	\
@@ -180,58 +167,46 @@ static const struct attribute_group pcf8591_attr_group_opt = {
 /*
  * Real code
  */
-static int pcf8591_attach_adapter(struct i2c_adapter *adapter)
-{
-	return i2c_probe(adapter, &addr_data, pcf8591_detect);
-}
 
-/* This function is called by i2c_probe */
-static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int pcf8591_detect(struct i2c_client *client, int kind,
+			  struct i2c_board_info *info)
 {
-	struct i2c_client *client;
-	struct pcf8591_data *data;
-	int err = 0;
+	struct i2c_adapter *adapter = client->adapter;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE
 				     | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
-		goto exit;
+		return -ENODEV;
+
+	/* Now, we would do the remaining detection. But the PCF8591 is plainly
+	   impossible to detect! Stupid chip. */
+
+	strlcpy(info->type, "pcf8591", I2C_NAME_SIZE);
+
+	return 0;
+}
+
+static int pcf8591_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct pcf8591_data *data;
+	int err;
 
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet. */
 	if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
 	
-	client = &data->client;
 	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &pcf8591_driver;
-
-	/* Now, we would do the remaining detection. But the PCF8591 is plainly
-	   impossible to detect! Stupid chip. */
-
-	/* Determine the chip type - only one kind supported! */
-	if (kind <= 0)
-		kind = pcf8591;
-
-	/* Fill in the remaining client fields and put it into the global 
-	   list */
-	strlcpy(client->name, "pcf8591", I2C_NAME_SIZE);
 	mutex_init(&data->update_lock);
 
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(client)))
-		goto exit_kfree;
-
 	/* Initialize the PCF8591 chip */
 	pcf8591_init_client(client);
 
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &pcf8591_attr_group);
 	if (err)
-		goto exit_detach;
+		goto exit_kfree;
 
 	/* Register input2 if not in "two differential inputs" mode */
 	if (input_mode != 3) {
@@ -252,24 +227,16 @@ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
 exit_sysfs_remove:
 	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
 	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
-exit_detach:
-	i2c_detach_client(client);
 exit_kfree:
 	kfree(data);
 exit:
 	return err;
 }
 
-static int pcf8591_detach_client(struct i2c_client *client)
+static int pcf8591_remove(struct i2c_client *client)
 {
-	int err;
-
 	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
 	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
-
-	if ((err = i2c_detach_client(client)))
-		return err;
-
 	kfree(i2c_get_clientdata(client));
 	return 0;
 }
@@ -316,6 +283,25 @@ static int pcf8591_read_channel(struct device *dev, int channel)
 		return (10 * value);
 }
 
+static const struct i2c_device_id pcf8591_id[] = {
+	{ "pcf8591", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, pcf8591_id);
+
+static struct i2c_driver pcf8591_driver = {
+	.driver = {
+		.name	= "pcf8591",
+	},
+	.probe		= pcf8591_probe,
+	.remove		= pcf8591_remove,
+	.id_table	= pcf8591_id,
+
+	.class		= I2C_CLASS_HWMON,	/* Nearest choice */
+	.detect		= pcf8591_detect,
+	.address_data	= &addr_data,
+};
+
 static int __init pcf8591_init(void)
 {
 	if (input_mode < 0 || input_mode > 3) {
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 0a79f766101..7608df83d6d 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -654,6 +654,10 @@ int i2c_del_adapter(struct i2c_adapter *adap)
 
 	dev_dbg(&adap->dev, "adapter [%s] unregistered\n", adap->name);
 
+	/* Clear the device structure in case this adapter is ever going to be
+	   added again */
+	memset(&adap->dev, 0, sizeof(adap->dev));
+
  out_unlock:
 	mutex_unlock(&core_lock);
 	return res;