Merge commit 'origin/master' into next

6 files changed, 346 insertions, 300 deletions

diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 0ddf9044948..fde377c60cc 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -72,7 +72,7 @@ MODULE_PARM_DESC(verbose,"Verbose log operations "
 		 "(default 0)");
 
 struct thermostat {
-	struct i2c_client	clt;
+	struct i2c_client	*clt;
 	u8			temps[3];
 	u8			cached_temp[3];
 	u8			initial_limits[3];
@@ -87,9 +87,6 @@ static struct of_device * of_dev;
 static struct thermostat* thermostat;
 static struct task_struct *thread_therm = NULL;
 
-static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
-				 int busno);
-
 static void write_both_fan_speed(struct thermostat *th, int speed);
 static void write_fan_speed(struct thermostat *th, int speed, int fan);
 
@@ -101,7 +98,7 @@ write_reg(struct thermostat* th, int reg, u8 data)
 	
 	tmp[0] = reg;
 	tmp[1] = data;
-	rc = i2c_master_send(&th->clt, (const char *)tmp, 2);
+	rc = i2c_master_send(th->clt, (const char *)tmp, 2);
 	if (rc < 0)
 		return rc;
 	if (rc != 2)
@@ -116,12 +113,12 @@ read_reg(struct thermostat* th, int reg)
 	int rc;
 
 	reg_addr = (u8)reg;
-	rc = i2c_master_send(&th->clt, &reg_addr, 1);
+	rc = i2c_master_send(th->clt, &reg_addr, 1);
 	if (rc < 0)
 		return rc;
 	if (rc != 1)
 		return -ENODEV;
-	rc = i2c_master_recv(&th->clt, (char *)&data, 1);
+	rc = i2c_master_recv(th->clt, (char *)&data, 1);
 	if (rc < 0)
 		return rc;
 	return data;
@@ -131,26 +128,36 @@ static int
 attach_thermostat(struct i2c_adapter *adapter)
 {
 	unsigned long bus_no;
+	struct i2c_board_info info;
+	struct i2c_client *client;
 
 	if (strncmp(adapter->name, "uni-n", 5))
 		return -ENODEV;
 	bus_no = simple_strtoul(adapter->name + 6, NULL, 10);
 	if (bus_no != therm_bus)
 		return -ENODEV;
-	return attach_one_thermostat(adapter, therm_address, bus_no);
+
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	strlcpy(info.type, "therm_adt746x", I2C_NAME_SIZE);
+	info.addr = therm_address;
+	client = i2c_new_device(adapter, &info);
+	if (!client)
+		return -ENODEV;
+
+	/*
+	 * Let i2c-core delete that device on driver removal.
+	 * This is safe because i2c-core holds the core_lock mutex for us.
+	 */
+	list_add_tail(&client->detected, &client->driver->clients);
+	return 0;
 }
 
 static int
-detach_thermostat(struct i2c_adapter *adapter)
+remove_thermostat(struct i2c_client *client)
 {
-	struct thermostat* th;
+	struct thermostat *th = i2c_get_clientdata(client);
 	int i;
 	
-	if (thermostat == NULL)
-		return 0;
-
-	th = thermostat;
-
 	if (thread_therm != NULL) {
 		kthread_stop(thread_therm);
 	}
@@ -166,8 +173,6 @@ detach_thermostat(struct i2c_adapter *adapter)
 
 	write_both_fan_speed(th, -1);
 
-	i2c_detach_client(&th->clt);
-
 	thermostat = NULL;
 
 	kfree(th);
@@ -175,14 +180,6 @@ detach_thermostat(struct i2c_adapter *adapter)
 	return 0;
 }
 
-static struct i2c_driver thermostat_driver = {  
-	.driver = {
-		.name	= "therm_adt746x",
-	},
-	.attach_adapter	= attach_thermostat,
-	.detach_adapter	= detach_thermostat,
-};
-
 static int read_fan_speed(struct thermostat *th, u8 addr)
 {
 	u8 tmp[2];
@@ -371,8 +368,8 @@ static void set_limit(struct thermostat *th, int i)
 		th->limits[i] = default_limits_local[i] + limit_adjust;
 }
 
-static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
-				 int busno)
+static int probe_thermostat(struct i2c_client *client,
+			    const struct i2c_device_id *id)
 {
 	struct thermostat* th;
 	int rc;
@@ -385,16 +382,12 @@ static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
 	if (!th)
 		return -ENOMEM;
 
-	th->clt.addr = addr;
-	th->clt.adapter = adapter;
-	th->clt.driver = &thermostat_driver;
-	strcpy(th->clt.name, "thermostat");
+	i2c_set_clientdata(client, th);
+	th->clt = client;
 
 	rc = read_reg(th, 0);
 	if (rc < 0) {
-		printk(KERN_ERR "adt746x: Thermostat failed to read config "
-				"from bus %d !\n",
-				busno);
+		dev_err(&client->dev, "Thermostat failed to read config!\n");
 		kfree(th);
 		return -ENODEV;
 	}
@@ -423,14 +416,6 @@ static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
 
 	thermostat = th;
 
-	if (i2c_attach_client(&th->clt)) {
-		printk(KERN_INFO "adt746x: Thermostat failed to attach "
-				 "client !\n");
-		thermostat = NULL;
-		kfree(th);
-		return -ENODEV;
-	}
-
 	/* be sure to really write fan speed the first time */
 	th->last_speed[0] = -2;
 	th->last_speed[1] = -2;
@@ -456,6 +441,21 @@ static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
 	return 0;
 }
 
+static const struct i2c_device_id therm_adt746x_id[] = {
+	{ "therm_adt746x", 0 },
+	{ }
+};
+
+static struct i2c_driver thermostat_driver = {
+	.driver = {
+		.name	= "therm_adt746x",
+	},
+	.attach_adapter	= attach_thermostat,
+	.probe = probe_thermostat,
+	.remove = remove_thermostat,
+	.id_table = therm_adt746x_id,
+};
+
 /* 
  * Now, unfortunately, sysfs doesn't give us a nice void * we could
  * pass around to the attribute functions, so we don't really have
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 817607e2af6..a028598af2d 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -287,22 +287,6 @@ struct fcu_fan_table	fcu_fans[] = {
 };
 
 /*
- * i2c_driver structure to attach to the host i2c controller
- */
-
-static int therm_pm72_attach(struct i2c_adapter *adapter);
-static int therm_pm72_detach(struct i2c_adapter *adapter);
-
-static struct i2c_driver therm_pm72_driver =
-{
-	.driver = {
-		.name	= "therm_pm72",
-	},
-	.attach_adapter	= therm_pm72_attach,
-	.detach_adapter	= therm_pm72_detach,
-};
-
-/*
  * Utility function to create an i2c_client structure and
  * attach it to one of u3 adapters
  */
@@ -310,6 +294,7 @@ static struct i2c_client *attach_i2c_chip(int id, const char *name)
 {
 	struct i2c_client *clt;
 	struct i2c_adapter *adap;
+	struct i2c_board_info info;
 
 	if (id & 0x200)
 		adap = k2;
@@ -320,31 +305,21 @@ static struct i2c_client *attach_i2c_chip(int id, const char *name)
 	if (adap == NULL)
 		return NULL;
 
-	clt = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (clt == NULL)
-		return NULL;
-
-	clt->addr = (id >> 1) & 0x7f;
-	clt->adapter = adap;
-	clt->driver = &therm_pm72_driver;
-	strncpy(clt->name, name, I2C_NAME_SIZE-1);
-
-	if (i2c_attach_client(clt)) {
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	info.addr = (id >> 1) & 0x7f;
+	strlcpy(info.type, "therm_pm72", I2C_NAME_SIZE);
+	clt = i2c_new_device(adap, &info);
+	if (!clt) {
 		printk(KERN_ERR "therm_pm72: Failed to attach to i2c ID 0x%x\n", id);
-		kfree(clt);
 		return NULL;
 	}
-	return clt;
-}
 
-/*
- * Utility function to get rid of the i2c_client structure
- * (will also detach from the adapter hopepfully)
- */
-static void detach_i2c_chip(struct i2c_client *clt)
-{
-	i2c_detach_client(clt);
-	kfree(clt);
+	/*
+	 * Let i2c-core delete that device on driver removal.
+	 * This is safe because i2c-core holds the core_lock mutex for us.
+	 */
+	list_add_tail(&clt->detected, &clt->driver->clients);
+	return clt;
 }
 
 /*
@@ -1203,8 +1178,6 @@ static int init_cpu_state(struct cpu_pid_state *state, int index)
 
 	return 0;
  fail:
-	if (state->monitor)
-		detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 	
 	return -ENODEV;
@@ -1232,7 +1205,6 @@ static void dispose_cpu_state(struct cpu_pid_state *state)
 		device_remove_file(&of_dev->dev, &dev_attr_cpu1_intake_fan_rpm);
 	}
 
-	detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 }
 
@@ -1407,7 +1379,6 @@ static void dispose_backside_state(struct backside_pid_state *state)
 	device_remove_file(&of_dev->dev, &dev_attr_backside_temperature);
 	device_remove_file(&of_dev->dev, &dev_attr_backside_fan_pwm);
 
-	detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 }
  
@@ -1532,7 +1503,6 @@ static void dispose_drives_state(struct drives_pid_state *state)
 	device_remove_file(&of_dev->dev, &dev_attr_drives_temperature);
 	device_remove_file(&of_dev->dev, &dev_attr_drives_fan_rpm);
 
-	detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 }
 
@@ -1654,7 +1624,6 @@ static void dispose_dimms_state(struct dimm_pid_state *state)
 
 	device_remove_file(&of_dev->dev, &dev_attr_dimms_temperature);
 
-	detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 }
 
@@ -1779,7 +1748,6 @@ static void dispose_slots_state(struct slots_pid_state *state)
 	device_remove_file(&of_dev->dev, &dev_attr_slots_temperature);
 	device_remove_file(&of_dev->dev, &dev_attr_slots_fan_pwm);
 
-	detach_i2c_chip(state->monitor);
 	state->monitor = NULL;
 }
 
@@ -2008,8 +1976,6 @@ static int attach_fcu(void)
  */
 static void detach_fcu(void)
 {
-	if (fcu)
-		detach_i2c_chip(fcu);
 	fcu = NULL;
 }
 
@@ -2060,12 +2026,21 @@ static int therm_pm72_attach(struct i2c_adapter *adapter)
 	return 0;
 }
 
+static int therm_pm72_probe(struct i2c_client *client,
+			    const struct i2c_device_id *id)
+{
+	/* Always succeed, the real work was done in therm_pm72_attach() */
+	return 0;
+}
+
 /*
- * Called on every adapter when the driver or the i2c controller
+ * Called when any of the devices which participates into thermal management
  * is going away.
  */
-static int therm_pm72_detach(struct i2c_adapter *adapter)
+static int therm_pm72_remove(struct i2c_client *client)
 {
+	struct i2c_adapter *adapter = client->adapter;
+
 	mutex_lock(&driver_lock);
 
 	if (state != state_detached)
@@ -2096,6 +2071,30 @@ static int therm_pm72_detach(struct i2c_adapter *adapter)
 	return 0;
 }
 
+/*
+ * i2c_driver structure to attach to the host i2c controller
+ */
+
+static const struct i2c_device_id therm_pm72_id[] = {
+	/*
+	 * Fake device name, thermal management is done by several
+	 * chips but we don't need to differentiate between them at
+	 * this point.
+	 */
+	{ "therm_pm72", 0 },
+	{ }
+};
+
+static struct i2c_driver therm_pm72_driver = {
+	.driver = {
+		.name	= "therm_pm72",
+	},
+	.attach_adapter	= therm_pm72_attach,
+	.probe		= therm_pm72_probe,
+	.remove		= therm_pm72_remove,
+	.id_table	= therm_pm72_id,
+};
+
 static int fan_check_loc_match(const char *loc, int fan)
 {
 	char	tmp[64];
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 3da0a02efd7..40023313a76 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -48,16 +48,6 @@
 
 #define LOG_TEMP		0			/* continously log temperature */
 
-static int 			do_probe( struct i2c_adapter *adapter, int addr, int kind);
-
-/* scan 0x48-0x4f (DS1775) and 0x2c-2x2f (ADM1030) */
-static const unsigned short	normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
-						 0x4c, 0x4d, 0x4e, 0x4f,
-						 0x2c, 0x2d, 0x2e, 0x2f,
-						 I2C_CLIENT_END };
-
-I2C_CLIENT_INSMOD;
-
 static struct {
 	volatile int		running;
 	struct task_struct	*poll_task;
@@ -315,53 +305,54 @@ static int control_loop(void *dummy)
 static int
 do_attach( struct i2c_adapter *adapter )
 {
-	int ret = 0;
+	/* scan 0x48-0x4f (DS1775) and 0x2c-2x2f (ADM1030) */
+	static const unsigned short scan_ds1775[] = {
+		0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+		I2C_CLIENT_END
+	};
+	static const unsigned short scan_adm1030[] = {
+		0x2c, 0x2d, 0x2e, 0x2f,
+		I2C_CLIENT_END
+	};
 
 	if( strncmp(adapter->name, "uni-n", 5) )
 		return 0;
 
 	if( !x.running ) {
-		ret = i2c_probe( adapter, &addr_data, &do_probe );
+		struct i2c_board_info info;
+
+		memset(&info, 0, sizeof(struct i2c_board_info));
+		strlcpy(info.type, "therm_ds1775", I2C_NAME_SIZE);
+		i2c_new_probed_device(adapter, &info, scan_ds1775);
+
+		strlcpy(info.type, "therm_adm1030", I2C_NAME_SIZE);
+		i2c_new_probed_device(adapter, &info, scan_adm1030);
+
 		if( x.thermostat && x.fan ) {
 			x.running = 1;
 			x.poll_task = kthread_run(control_loop, NULL, "g4fand");
 		}
 	}
-	return ret;
+	return 0;
 }
 
 static int
-do_detach( struct i2c_client *client )
+do_remove(struct i2c_client *client)
 {
-	int err;
-
-	if( (err=i2c_detach_client(client)) )
-		printk(KERN_ERR "failed to detach thermostat client\n");
-	else {
-		if( x.running ) {
-			x.running = 0;
-			kthread_stop(x.poll_task);
-			x.poll_task = NULL;
-		}
-		if( client == x.thermostat )
-			x.thermostat = NULL;
-		else if( client == x.fan )
-			x.fan = NULL;
-		else {
-			printk(KERN_ERR "g4fan: bad client\n");
-		}
-		kfree( client );
+	if (x.running) {
+		x.running = 0;
+		kthread_stop(x.poll_task);
+		x.poll_task = NULL;
 	}
-	return err;
-}
+	if (client == x.thermostat)
+		x.thermostat = NULL;
+	else if (client == x.fan)
+		x.fan = NULL;
+	else
+		printk(KERN_ERR "g4fan: bad client\n");
 
-static struct i2c_driver g4fan_driver = {  
-	.driver = {
-		.name	= "therm_windtunnel",
-	},
-	.attach_adapter = do_attach,
-	.detach_client	= do_detach,
-};
+	return 0;
+}
 
 static int
 attach_fan( struct i2c_client *cl )
@@ -374,13 +365,8 @@ attach_fan( struct i2c_client *cl )
 		goto out;
 	printk("ADM1030 fan controller [@%02x]\n", cl->addr );
 
-	strlcpy( cl->name, "ADM1030 fan controller", sizeof(cl->name) );
-
-	if( !i2c_attach_client(cl) )
-		x.fan = cl;
+	x.fan = cl;
  out:
-	if( cl != x.fan )
-		kfree( cl );
 	return 0;
 }
 
@@ -412,39 +398,47 @@ attach_thermostat( struct i2c_client *cl )
 	x.temp = temp;
 	x.overheat_temp = os_temp;
 	x.overheat_hyst = hyst_temp;
-	
-	strlcpy( cl->name, "DS1775 thermostat", sizeof(cl->name) );
-
-	if( !i2c_attach_client(cl) )
-		x.thermostat = cl;
+	x.thermostat = cl;
 out:
-	if( cl != x.thermostat )
-		kfree( cl );
 	return 0;
 }
 
+enum chip { ds1775, adm1030 };
+
+static const struct i2c_device_id therm_windtunnel_id[] = {
+	{ "therm_ds1775", ds1775 },
+	{ "therm_adm1030", adm1030 },
+	{ }
+};
+
 static int
-do_probe( struct i2c_adapter *adapter, int addr, int kind )
+do_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 {
-	struct i2c_client *cl;
+	struct i2c_adapter *adapter = cl->adapter;
 
 	if( !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA
 				     | I2C_FUNC_SMBUS_WRITE_BYTE) )
 		return 0;
 
-	if( !(cl=kzalloc(sizeof(*cl), GFP_KERNEL)) )
-		return -ENOMEM;
-
-	cl->addr = addr;
-	cl->adapter = adapter;
-	cl->driver = &g4fan_driver;
-	cl->flags = 0;
-
-	if( addr < 0x48 )
+	switch (id->driver_data) {
+	case adm1030:
 		return attach_fan( cl );
-	return attach_thermostat( cl );
+	case ds1775:
+		return attach_thermostat(cl);
+	}
+	return 0;
 }
 
+static struct i2c_driver g4fan_driver = {
+	.driver = {
+		.name	= "therm_windtunnel",
+	},
+	.attach_adapter = do_attach,
+	.probe		= do_probe,
+	.remove		= do_remove,
+	.id_table	= therm_windtunnel_id,
+};
+
 
 /************************************************************************/
 /*	initialization / cleanup					*/
diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c
index b92b959fe16..529886c7a82 100644
--- a/drivers/macintosh/windfarm_lm75_sensor.c
+++ b/drivers/macintosh/windfarm_lm75_sensor.c
@@ -37,34 +37,22 @@
 struct wf_lm75_sensor {
 	int			ds1775 : 1;
 	int			inited : 1;
-	struct 	i2c_client	i2c;
+	struct 	i2c_client	*i2c;
 	struct 	wf_sensor	sens;
 };
 #define wf_to_lm75(c) container_of(c, struct wf_lm75_sensor, sens)
-#define i2c_to_lm75(c) container_of(c, struct wf_lm75_sensor, i2c)
-
-static int wf_lm75_attach(struct i2c_adapter *adapter);
-static int wf_lm75_detach(struct i2c_client *client);
-
-static struct i2c_driver wf_lm75_driver = {
-	.driver = {
-		.name	= "wf_lm75",
-	},
-	.attach_adapter	= wf_lm75_attach,
-	.detach_client	= wf_lm75_detach,
-};
 
 static int wf_lm75_get(struct wf_sensor *sr, s32 *value)
 {
 	struct wf_lm75_sensor *lm = wf_to_lm75(sr);
 	s32 data;
 
-	if (lm->i2c.adapter == NULL)
+	if (lm->i2c == NULL)
 		return -ENODEV;
 
 	/* Init chip if necessary */
 	if (!lm->inited) {
-		u8 cfg_new, cfg = (u8)i2c_smbus_read_byte_data(&lm->i2c, 1);
+		u8 cfg_new, cfg = (u8)i2c_smbus_read_byte_data(lm->i2c, 1);
 
 		DBG("wf_lm75: Initializing %s, cfg was: %02x\n",
 		    sr->name, cfg);
@@ -73,7 +61,7 @@ static int wf_lm75_get(struct wf_sensor *sr, s32 *value)
 		 * the firmware for now
 		 */
 		cfg_new = cfg & ~0x01;
-		i2c_smbus_write_byte_data(&lm->i2c, 1, cfg_new);
+		i2c_smbus_write_byte_data(lm->i2c, 1, cfg_new);
 		lm->inited = 1;
 
 		/* If we just powered it up, let's wait 200 ms */
@@ -81,7 +69,7 @@ static int wf_lm75_get(struct wf_sensor *sr, s32 *value)
 	}
 
 	/* Read temperature register */
-	data = (s32)le16_to_cpu(i2c_smbus_read_word_data(&lm->i2c, 0));
+	data = (s32)le16_to_cpu(i2c_smbus_read_word_data(lm->i2c, 0));
 	data <<= 8;
 	*value = data;
 
@@ -92,12 +80,6 @@ static void wf_lm75_release(struct wf_sensor *sr)
 {
 	struct wf_lm75_sensor *lm = wf_to_lm75(sr);
 
-	/* check if client is registered and detach from i2c */
-	if (lm->i2c.adapter) {
-		i2c_detach_client(&lm->i2c);
-		lm->i2c.adapter = NULL;
-	}
-
 	kfree(lm);
 }
 
@@ -107,59 +89,77 @@ static struct wf_sensor_ops wf_lm75_ops = {
 	.owner		= THIS_MODULE,
 };
 
-static struct wf_lm75_sensor *wf_lm75_create(struct i2c_adapter *adapter,
-					     u8 addr, int ds1775,
-					     const char *loc)
+static int wf_lm75_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
 {
 	struct wf_lm75_sensor *lm;
 	int rc;
 
-	DBG("wf_lm75: creating  %s device at address 0x%02x\n",
-	    ds1775 ? "ds1775" : "lm75", addr);
-
 	lm = kzalloc(sizeof(struct wf_lm75_sensor), GFP_KERNEL);
 	if (lm == NULL)
-		return NULL;
+		return -ENODEV;
+
+	lm->inited = 0;
+	lm->ds1775 = id->driver_data;
+	lm->i2c = client;
+	lm->sens.name = client->dev.platform_data;
+	lm->sens.ops = &wf_lm75_ops;
+	i2c_set_clientdata(client, lm);
+
+	rc = wf_register_sensor(&lm->sens);
+	if (rc) {
+		i2c_set_clientdata(client, NULL);
+		kfree(lm);
+	}
+
+	return rc;
+}
+
+static struct i2c_client *wf_lm75_create(struct i2c_adapter *adapter,
+					     u8 addr, int ds1775,
+					     const char *loc)
+{
+	struct i2c_board_info info;
+	struct i2c_client *client;
+	char *name;
+
+	DBG("wf_lm75: creating  %s device at address 0x%02x\n",
+	    ds1775 ? "ds1775" : "lm75", addr);
 
 	/* Usual rant about sensor names not beeing very consistent in
 	 * the device-tree, oh well ...
 	 * Add more entries below as you deal with more setups
 	 */
 	if (!strcmp(loc, "Hard drive") || !strcmp(loc, "DRIVE BAY"))
-		lm->sens.name = "hd-temp";
+		name = "hd-temp";
 	else if (!strcmp(loc, "Incoming Air Temp"))
-		lm->sens.name = "incoming-air-temp";
+		name = "incoming-air-temp";
 	else if (!strcmp(loc, "ODD Temp"))
-		lm->sens.name = "optical-drive-temp";
+		name = "optical-drive-temp";
 	else if (!strcmp(loc, "HD Temp"))
-		lm->sens.name = "hard-drive-temp";
+		name = "hard-drive-temp";
 	else
 		goto fail;
 
-	lm->inited = 0;
-	lm->sens.ops = &wf_lm75_ops;
-	lm->ds1775 = ds1775;
-	lm->i2c.addr = (addr >> 1) & 0x7f;
-	lm->i2c.adapter = adapter;
-	lm->i2c.driver = &wf_lm75_driver;
-	strncpy(lm->i2c.name, lm->sens.name, I2C_NAME_SIZE-1);
-
-	rc = i2c_attach_client(&lm->i2c);
-	if (rc) {
-		printk(KERN_ERR "windfarm: failed to attach %s %s to i2c,"
-		       " err %d\n", ds1775 ? "ds1775" : "lm75",
-		       lm->i2c.name, rc);
-		goto fail;
-	}
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	info.addr = (addr >> 1) & 0x7f;
+	info.platform_data = name;
+	strlcpy(info.type, ds1775 ? "wf_ds1775" : "wf_lm75", I2C_NAME_SIZE);
 
-	if (wf_register_sensor(&lm->sens)) {
-		i2c_detach_client(&lm->i2c);
+	client = i2c_new_device(adapter, &info);
+	if (client == NULL) {
+		printk(KERN_ERR "windfarm: failed to attach %s %s to i2c\n",
+		       ds1775 ? "ds1775" : "lm75", name);
 		goto fail;
 	}
 
-	return lm;
+	/*
+	 * Let i2c-core delete that device on driver removal.
+	 * This is safe because i2c-core holds the core_lock mutex for us.
+	 */
+	list_add_tail(&client->detected, &client->driver->clients);
+	return client;
  fail:
-	kfree(lm);
 	return NULL;
 }
 
@@ -202,21 +202,38 @@ static int wf_lm75_attach(struct i2c_adapter *adapter)
 	return 0;
 }
 
-static int wf_lm75_detach(struct i2c_client *client)
+static int wf_lm75_remove(struct i2c_client *client)
 {
-	struct wf_lm75_sensor *lm = i2c_to_lm75(client);
+	struct wf_lm75_sensor *lm = i2c_get_clientdata(client);
 
 	DBG("wf_lm75: i2c detatch called for %s\n", lm->sens.name);
 
 	/* Mark client detached */
-	lm->i2c.adapter = NULL;
+	lm->i2c = NULL;
 
 	/* release sensor */
 	wf_unregister_sensor(&lm->sens);
 
+	i2c_set_clientdata(client, NULL);
 	return 0;
 }
 
+static const struct i2c_device_id wf_lm75_id[] = {
+	{ "wf_lm75", 0 },
+	{ "wf_ds1775", 1 },
+	{ }
+};
+
+static struct i2c_driver wf_lm75_driver = {
+	.driver = {
+		.name	= "wf_lm75",
+	},
+	.attach_adapter	= wf_lm75_attach,
+	.probe		= wf_lm75_probe,
+	.remove		= wf_lm75_remove,
+	.id_table	= wf_lm75_id,
+};
+
 static int __init wf_lm75_sensor_init(void)
 {
 	/* Don't register on old machines that use therm_pm72 for now */
diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c
index e207a90d6b2..e2a55ecda2b 100644
--- a/drivers/macintosh/windfarm_max6690_sensor.c
+++ b/drivers/macintosh/windfarm_max6690_sensor.c
@@ -26,34 +26,22 @@
 #define MAX6690_EXTERNAL_TEMP	1
 
 struct wf_6690_sensor {
-	struct i2c_client	i2c;
+	struct i2c_client	*i2c;
 	struct wf_sensor	sens;
 };
 
 #define wf_to_6690(x)	container_of((x), struct wf_6690_sensor, sens)
-#define i2c_to_6690(x)	container_of((x), struct wf_6690_sensor, i2c)
-
-static int wf_max6690_attach(struct i2c_adapter *adapter);
-static int wf_max6690_detach(struct i2c_client *client);
-
-static struct i2c_driver wf_max6690_driver = {
-	.driver = {
-		.name		= "wf_max6690",
-	},
-	.attach_adapter	= wf_max6690_attach,
-	.detach_client	= wf_max6690_detach,
-};
 
 static int wf_max6690_get(struct wf_sensor *sr, s32 *value)
 {
 	struct wf_6690_sensor *max = wf_to_6690(sr);
 	s32 data;
 
-	if (max->i2c.adapter == NULL)
+	if (max->i2c == NULL)
 		return -ENODEV;
 
 	/* chip gets initialized by firmware */
-	data = i2c_smbus_read_byte_data(&max->i2c, MAX6690_EXTERNAL_TEMP);
+	data = i2c_smbus_read_byte_data(max->i2c, MAX6690_EXTERNAL_TEMP);
 	if (data < 0)
 		return data;
 	*value = data << 16;
@@ -64,10 +52,6 @@ static void wf_max6690_release(struct wf_sensor *sr)
 {
 	struct wf_6690_sensor *max = wf_to_6690(sr);
 
-	if (max->i2c.adapter) {
-		i2c_detach_client(&max->i2c);
-		max->i2c.adapter = NULL;
-	}
 	kfree(max);
 }
 
@@ -77,19 +61,40 @@ static struct wf_sensor_ops wf_max6690_ops = {
 	.owner		= THIS_MODULE,
 };
 
-static void wf_max6690_create(struct i2c_adapter *adapter, u8 addr,
-			      const char *loc)
+static int wf_max6690_probe(struct i2c_client *client,
+			    const struct i2c_device_id *id)
 {
 	struct wf_6690_sensor *max;
-	char *name;
+	int rc;
 
 	max = kzalloc(sizeof(struct wf_6690_sensor), GFP_KERNEL);
 	if (max == NULL) {
-		printk(KERN_ERR "windfarm: Couldn't create MAX6690 sensor %s: "
-		       "no memory\n", loc);
-		return;
+		printk(KERN_ERR "windfarm: Couldn't create MAX6690 sensor: "
+		       "no memory\n");
+		return -ENOMEM;
+	}
+
+	max->i2c = client;
+	max->sens.name = client->dev.platform_data;
+	max->sens.ops = &wf_max6690_ops;
+	i2c_set_clientdata(client, max);
+
+	rc = wf_register_sensor(&max->sens);
+	if (rc) {
+		i2c_set_clientdata(client, NULL);
+		kfree(max);
 	}
 
+	return rc;
+}
+
+static struct i2c_client *wf_max6690_create(struct i2c_adapter *adapter,
+					    u8 addr, const char *loc)
+{
+	struct i2c_board_info info;
+	struct i2c_client *client;
+	char *name;
+
 	if (!strcmp(loc, "BACKSIDE"))
 		name = "backside-temp";
 	else if (!strcmp(loc, "NB Ambient"))
@@ -99,27 +104,26 @@ static void wf_max6690_create(struct i2c_adapter *adapter, u8 addr,
 	else
 		goto fail;
 
-	max->sens.ops = &wf_max6690_ops;
-	max->sens.name = name;
-	max->i2c.addr = addr >> 1;
-	max->i2c.adapter = adapter;
-	max->i2c.driver = &wf_max6690_driver;
-	strncpy(max->i2c.name, name, I2C_NAME_SIZE-1);
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	info.addr = addr >> 1;
+	info.platform_data = name;
+	strlcpy(info.type, "wf_max6690", I2C_NAME_SIZE);
 
-	if (i2c_attach_client(&max->i2c)) {
+	client = i2c_new_device(adapter, &info);
+	if (client == NULL) {
 		printk(KERN_ERR "windfarm: failed to attach MAX6690 sensor\n");
 		goto fail;
 	}
 
-	if (wf_register_sensor(&max->sens)) {
-		i2c_detach_client(&max->i2c);
-		goto fail;
-	}
-
-	return;
+	/*
+	 * Let i2c-core delete that device on driver removal.
+	 * This is safe because i2c-core holds the core_lock mutex for us.
+	 */
+	list_add_tail(&client->detected, &client->driver->clients);
+	return client;
 
  fail:
-	kfree(max);
+	return NULL;
 }
 
 static int wf_max6690_attach(struct i2c_adapter *adapter)
@@ -154,16 +158,31 @@ static int wf_max6690_attach(struct i2c_adapter *adapter)
 	return 0;
 }
 
-static int wf_max6690_detach(struct i2c_client *client)
+static int wf_max6690_remove(struct i2c_client *client)
 {
-	struct wf_6690_sensor *max = i2c_to_6690(client);
+	struct wf_6690_sensor *max = i2c_get_clientdata(client);
 
-	max->i2c.adapter = NULL;
+	max->i2c = NULL;
 	wf_unregister_sensor(&max->sens);
 
 	return 0;
 }
 
+static const struct i2c_device_id wf_max6690_id[] = {
+	{ "wf_max6690", 0 },
+	{ }
+};
+
+static struct i2c_driver wf_max6690_driver = {
+	.driver = {
+		.name		= "wf_max6690",
+	},
+	.attach_adapter	= wf_max6690_attach,
+	.probe		= wf_max6690_probe,
+	.remove		= wf_max6690_remove,
+	.id_table	= wf_max6690_id,
+};
+
 static int __init wf_max6690_sensor_init(void)
 {
 	/* Don't register on old machines that use therm_pm72 for now */
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 7847e981ac3..5da729e58f9 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -39,7 +39,7 @@ struct wf_sat {
 	struct mutex		mutex;
 	unsigned long		last_read; /* jiffies when cache last updated */
 	u8			cache[16];
-	struct i2c_client	i2c;
+	struct i2c_client	*i2c;
 	struct device_node	*node;
 };
 
@@ -54,18 +54,6 @@ struct wf_sat_sensor {
 };
 
 #define wf_to_sat(c)	container_of(c, struct wf_sat_sensor, sens)
-#define i2c_to_sat(c)	container_of(c, struct wf_sat, i2c)
-
-static int wf_sat_attach(struct i2c_adapter *adapter);
-static int wf_sat_detach(struct i2c_client *client);
-
-static struct i2c_driver wf_sat_driver = {
-	.driver = {
-		.name		= "wf_smu_sat",
-	},
-	.attach_adapter	= wf_sat_attach,
-	.detach_client	= wf_sat_detach,
-};
 
 struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
 						  unsigned int *size)
@@ -81,13 +69,13 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
 	if (sat_id > 1 || (sat = sats[sat_id]) == NULL)
 		return NULL;
 
-	err = i2c_smbus_write_word_data(&sat->i2c, 8, id << 8);
+	err = i2c_smbus_write_word_data(sat->i2c, 8, id << 8);
 	if (err) {
 		printk(KERN_ERR "smu_sat_get_sdb_part wr error %d\n", err);
 		return NULL;
 	}
 
-	err = i2c_smbus_read_word_data(&sat->i2c, 9);
+	err = i2c_smbus_read_word_data(sat->i2c, 9);
 	if (err < 0) {
 		printk(KERN_ERR "smu_sat_get_sdb_part rd len error\n");
 		return NULL;
@@ -105,7 +93,7 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
 		return NULL;
 
 	for (i = 0; i < len; i += 4) {
-		err = i2c_smbus_read_i2c_block_data(&sat->i2c, 0xa, 4, data);
+		err = i2c_smbus_read_i2c_block_data(sat->i2c, 0xa, 4, data);
 		if (err < 0) {
 			printk(KERN_ERR "smu_sat_get_sdb_part rd err %d\n",
 			       err);
@@ -138,7 +126,7 @@ static int wf_sat_read_cache(struct wf_sat *sat)
 {
 	int err;
 
-	err = i2c_smbus_read_i2c_block_data(&sat->i2c, 0x3f, 16, sat->cache);
+	err = i2c_smbus_read_i2c_block_data(sat->i2c, 0x3f, 16, sat->cache);
 	if (err < 0)
 		return err;
 	sat->last_read = jiffies;
@@ -161,7 +149,7 @@ static int wf_sat_get(struct wf_sensor *sr, s32 *value)
 	int i, err;
 	s32 val;
 
-	if (sat->i2c.adapter == NULL)
+	if (sat->i2c == NULL)
 		return -ENODEV;
 
 	mutex_lock(&sat->mutex);
@@ -193,10 +181,6 @@ static void wf_sat_release(struct wf_sensor *sr)
 	struct wf_sat *sat = sens->sat;
 
 	if (atomic_dec_and_test(&sat->refcnt)) {
-		if (sat->i2c.adapter) {
-			i2c_detach_client(&sat->i2c);
-			sat->i2c.adapter = NULL;
-		}
 		if (sat->nr >= 0)
 			sats[sat->nr] = NULL;
 		kfree(sat);
@@ -212,38 +196,58 @@ static struct wf_sensor_ops wf_sat_ops = {
 
 static void wf_sat_create(struct i2c_adapter *adapter, struct device_node *dev)
 {
+	struct i2c_board_info info;
+	struct i2c_client *client;
+	const u32 *reg;
+	u8 addr;
+
+	reg = of_get_property(dev, "reg", NULL);
+	if (reg == NULL)
+		return;
+	addr = *reg;
+	DBG(KERN_DEBUG "wf_sat: creating sat at address %x\n", addr);
+
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	info.addr = (addr >> 1) & 0x7f;
+	info.platform_data = dev;
+	strlcpy(info.type, "wf_sat", I2C_NAME_SIZE);
+
+	client = i2c_new_device(adapter, &info);
+	if (client == NULL) {
+		printk(KERN_ERR "windfarm: failed to attach smu-sat to i2c\n");
+		return;
+	}
+
+	/*
+	 * Let i2c-core delete that device on driver removal.
+	 * This is safe because i2c-core holds the core_lock mutex for us.
+	 */
+	list_add_tail(&client->detected, &client->driver->clients);
+}
+
+static int wf_sat_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct device_node *dev = client->dev.platform_data;
 	struct wf_sat *sat;
 	struct wf_sat_sensor *sens;
 	const u32 *reg;
 	const char *loc, *type;
-	u8 addr, chip, core;
+	u8 chip, core;
 	struct device_node *child;
 	int shift, cpu, index;
 	char *name;
 	int vsens[2], isens[2];
 
-	reg = of_get_property(dev, "reg", NULL);
-	if (reg == NULL)
-		return;
-	addr = *reg;
-	DBG(KERN_DEBUG "wf_sat: creating sat at address %x\n", addr);
-
 	sat = kzalloc(sizeof(struct wf_sat), GFP_KERNEL);
 	if (sat == NULL)
-		return;
+		return -ENOMEM;
 	sat->nr = -1;
 	sat->node = of_node_get(dev);
 	atomic_set(&sat->refcnt, 0);
 	mutex_init(&sat->mutex);
-	sat->i2c.addr = (addr >> 1) & 0x7f;
-	sat->i2c.adapter = adapter;
-	sat->i2c.driver = &wf_sat_driver;
-	strncpy(sat->i2c.name, "smu-sat", I2C_NAME_SIZE-1);
-
-	if (i2c_attach_client(&sat->i2c)) {
-		printk(KERN_ERR "windfarm: failed to attach smu-sat to i2c\n");
-		goto fail;
-	}
+	sat->i2c = client;
+	i2c_set_clientdata(client, sat);
 
 	vsens[0] = vsens[1] = -1;
 	isens[0] = isens[1] = -1;
@@ -344,10 +348,7 @@ static void wf_sat_create(struct i2c_adapter *adapter, struct device_node *dev)
 	if (sat->nr >= 0)
 		sats[sat->nr] = sat;
 
-	return;
-
- fail:
-	kfree(sat);
+	return 0;
 }
 
 static int wf_sat_attach(struct i2c_adapter *adapter)
@@ -366,16 +367,32 @@ static int wf_sat_attach(struct i2c_adapter *adapter)
 	return 0;
 }
 
-static int wf_sat_detach(struct i2c_client *client)
+static int wf_sat_remove(struct i2c_client *client)
 {
-	struct wf_sat *sat = i2c_to_sat(client);
+	struct wf_sat *sat = i2c_get_clientdata(client);
 
 	/* XXX TODO */
 
-	sat->i2c.adapter = NULL;
+	sat->i2c = NULL;
+	i2c_set_clientdata(client, NULL);
 	return 0;
 }
 
+static const struct i2c_device_id wf_sat_id[] = {
+	{ "wf_sat", 0 },
+	{ }
+};
+
+static struct i2c_driver wf_sat_driver = {
+	.driver = {
+		.name		= "wf_smu_sat",
+	},
+	.attach_adapter	= wf_sat_attach,
+	.probe		= wf_sat_probe,
+	.remove		= wf_sat_remove,
+	.id_table	= wf_sat_id,
+};
+
 static int __init sat_sensors_init(void)
 {
 	return i2c_add_driver(&wf_sat_driver);