hwmon/w83627hf: Convert to a platform driver

Convert the w83627hf driver from the nonsensical i2c-isa hack to a
regular platform driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 310 insertions, 281 deletions

diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 7738d30a11b8..a5b774b07cbd 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -5,6 +5,7 @@
     Philip Edelbrock <phil@netroedge.com>,
     and Mark Studebaker <mdsxyz123@yahoo.com>
     Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
+    Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -42,8 +43,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
-#include <linux/i2c.h>
-#include <linux/i2c-isa.h>
+#include <linux/platform_device.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
@@ -52,8 +52,7 @@
 #include <asm/io.h>
 #include "lm75.h"
 
-/* The actual ISA address is read from Super-I/O configuration space */
-static unsigned short address;
+static struct platform_device *pdev;
 
 #define DRVNAME "w83627hf"
 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
@@ -157,9 +156,9 @@ superio_exit(void)
 #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
+/* Where are the sensors address/data registers relative to the region offset */
+#define W83781D_ADDR_REG_OFFSET 0
+#define W83781D_DATA_REG_OFFSET 1
 
 /* The W83781D registers */
 /* The W83782D registers for nr=7,8 are in bank 5 */
@@ -290,7 +289,8 @@ static inline u8 DIV_TO_REG(long val)
 /* For each registered chip, we need to keep some data in memory.
    The structure is dynamically allocated. */
 struct w83627hf_data {
-        struct i2c_client client;
+        unsigned short addr;
+        const char *name;
         struct class_device *class_dev;
         struct mutex lock;
         enum chips type;
@@ -325,22 +325,26 @@ struct w83627hf_data {
         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 };
 
+struct w83627hf_sio_data {
+        enum chips type;
+};
 
-static int w83627hf_detect(struct i2c_adapter *adapter);
-static int w83627hf_detach_client(struct i2c_client *client);
 
-static int w83627hf_read_value(struct i2c_client *client, u16 reg);
-static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value);
+static int w83627hf_probe(struct platform_device *pdev);
+static int w83627hf_remove(struct platform_device *pdev);
+
+static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
+static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
-static void w83627hf_init_client(struct i2c_client *client);
+static void w83627hf_init_device(struct platform_device *pdev);
 
-static struct i2c_driver w83627hf_driver = {
+static struct platform_driver w83627hf_driver = {
         .driver = {
                 .owner  = THIS_MODULE,
                 .name   = DRVNAME,
         },
-        .attach_adapter = w83627hf_detect,
-        .detach_client  = w83627hf_detach_client,
+        .probe          = w83627hf_probe,
+        .remove         = __devexit_p(w83627hf_remove),
 };
 
 /* following are the sysfs callback functions */
@@ -358,15 +362,14 @@ show_in_reg(in_max)
 static ssize_t \
 store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
 { \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct w83627hf_data *data = i2c_get_clientdata(client); \
+        struct w83627hf_data *data = dev_get_drvdata(dev); \
         u32 val; \
          \
         val = simple_strtoul(buf, NULL, 10); \
          \
         mutex_lock(&data->update_lock); \
         data->in_##reg[nr] = IN_TO_REG(val); \
-        w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
+        w83627hf_write_value(data, W83781D_REG_IN_##REG(nr), \
                             data->in_##reg[nr]); \
          \
         mutex_unlock(&data->update_lock); \
@@ -450,8 +453,7 @@ static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *at
 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
         const char *buf, size_t count)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -470,7 +472,7 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
                 /* use VRM8 (standard) calculation */
                 data->in_min[0] = IN_TO_REG(val);
 
-        w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
+        w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
         mutex_unlock(&data->update_lock);
         return count;
 }
@@ -478,8 +480,7 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
         const char *buf, size_t count)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -498,7 +499,7 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
                 /* use VRM8 (standard) calculation */
                 data->in_max[0] = IN_TO_REG(val);
 
-        w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
+        w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
         mutex_unlock(&data->update_lock);
         return count;
 }
@@ -523,8 +524,7 @@ show_fan_reg(fan_min);
 static ssize_t
 store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -532,7 +532,7 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
         mutex_lock(&data->update_lock);
         data->fan_min[nr - 1] =
             FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
-        w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
+        w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr),
                             data->fan_min[nr - 1]);
 
         mutex_unlock(&data->update_lock);
@@ -585,8 +585,7 @@ show_temp_reg(temp_max_hyst);
 static ssize_t \
 store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
 { \
-        struct i2c_client *client = to_i2c_client(dev); \
-        struct w83627hf_data *data = i2c_get_clientdata(client); \
+        struct w83627hf_data *data = dev_get_drvdata(dev); \
         u32 val; \
          \
         val = simple_strtoul(buf, NULL, 10); \
@@ -595,11 +594,11 @@ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
          \
         if (nr >= 2) {  /* TEMP2 and TEMP3 */ \
                 data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
-                w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                w83627hf_write_value(data, W83781D_REG_TEMP_##REG(nr), \
                                 data->temp_##reg##_add[nr-2]); \
         } else {        /* TEMP1 */ \
                 data->temp_##reg = TEMP_TO_REG(val); \
-                w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                w83627hf_write_value(data, W83781D_REG_TEMP_##REG(nr), \
                         data->temp_##reg); \
         } \
          \
@@ -657,8 +656,7 @@ show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 static ssize_t
 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -693,8 +691,7 @@ static ssize_t
 store_beep_reg(struct device *dev, const char *buf, size_t count,
                int update_mask)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val, val2;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -703,18 +700,18 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
 
         if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
                 data->beep_mask = BEEP_MASK_TO_REG(val);
-                w83627hf_write_value(client, W83781D_REG_BEEP_INTS1,
+                w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
                                     data->beep_mask & 0xff);
-                w83627hf_write_value(client, W83781D_REG_BEEP_INTS3,
+                w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
                                     ((data->beep_mask) >> 16) & 0xff);
                 val2 = (data->beep_mask >> 8) & 0x7f;
         } else {                /* We are storing beep_enable */
                 val2 =
-                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f;
+                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f;
                 data->beep_enable = BEEP_ENABLE_TO_REG(val);
         }
 
-        w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
+        w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
                             val2 | data->beep_enable << 7);
 
         mutex_unlock(&data->update_lock);
@@ -752,8 +749,7 @@ show_fan_div_reg(struct device *dev, char *buf, int nr)
 static ssize_t
 store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         unsigned long min;
         u8 reg;
         unsigned long val = simple_strtoul(buf, NULL, 10);
@@ -766,19 +762,19 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
 
         data->fan_div[nr] = DIV_TO_REG(val);
 
-        reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
+        reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
                & (nr==0 ? 0xcf : 0x3f))
             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
-        w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
+        w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 
-        reg = (w83627hf_read_value(client, W83781D_REG_VBAT)
+        reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
                & ~(1 << (5 + nr)))
             | ((data->fan_div[nr] & 0x04) << (3 + nr));
-        w83627hf_write_value(client, W83781D_REG_VBAT, reg);
+        w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 
         /* Restore fan_min */
         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
-        w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+        w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
 
         mutex_unlock(&data->update_lock);
         return count;
@@ -812,8 +808,7 @@ show_pwm_reg(struct device *dev, char *buf, int nr)
 static ssize_t
 store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -823,14 +818,14 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
         if (data->type == w83627thf) {
                 /* bits 0-3 are reserved  in 627THF */
                 data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0;
-                w83627hf_write_value(client,
+                w83627hf_write_value(data,
                                      W836X7HF_REG_PWM(data->type, nr),
                                      data->pwm[nr - 1] |
-                                     (w83627hf_read_value(client,
+                                     (w83627hf_read_value(data,
                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
         } else {
                 data->pwm[nr - 1] = PWM_TO_REG(val);
-                w83627hf_write_value(client,
+                w83627hf_write_value(data,
                                      W836X7HF_REG_PWM(data->type, nr),
                                      data->pwm[nr - 1]);
         }
@@ -866,8 +861,7 @@ show_sensor_reg(struct device *dev, char *buf, int nr)
 static ssize_t
 store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         u32 val, tmp;
 
         val = simple_strtoul(buf, NULL, 10);
@@ -876,31 +870,31 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
 
         switch (val) {
         case 1:         /* PII/Celeron diode */
-                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
-                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
+                w83627hf_write_value(data, W83781D_REG_SCFG1,
                                     tmp | BIT_SCFG1[nr - 1]);
-                tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
-                w83627hf_write_value(client, W83781D_REG_SCFG2,
+                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
+                w83627hf_write_value(data, W83781D_REG_SCFG2,
                                     tmp | BIT_SCFG2[nr - 1]);
                 data->sens[nr - 1] = val;
                 break;
         case 2:         /* 3904 */
-                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
-                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
+                w83627hf_write_value(data, W83781D_REG_SCFG1,
                                     tmp | BIT_SCFG1[nr - 1]);
-                tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
-                w83627hf_write_value(client, W83781D_REG_SCFG2,
+                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
+                w83627hf_write_value(data, W83781D_REG_SCFG2,
                                     tmp & ~BIT_SCFG2[nr - 1]);
                 data->sens[nr - 1] = val;
                 break;
         case W83781D_DEFAULT_BETA:      /* thermistor */
-                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
-                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
+                w83627hf_write_value(data, W83781D_REG_SCFG1,
                                     tmp & ~BIT_SCFG1[nr - 1]);
                 data->sens[nr - 1] = val;
                 break;
         default:
-                dev_err(&client->dev,
+                dev_err(dev,
                        "Invalid sensor type %ld; must be 1, 2, or %d\n",
                        (long) val, W83781D_DEFAULT_BETA);
                 break;
@@ -927,21 +921,52 @@ sysfs_sensor(1);
 sysfs_sensor(2);
 sysfs_sensor(3);
 
-static int __init w83627hf_find(int sioaddr, unsigned short *addr)
+static ssize_t show_name(struct device *dev, struct device_attribute
+                         *devattr, char *buf)
+{
+        struct w83627hf_data *data = dev_get_drvdata(dev);
+
+        return sprintf(buf, "%s\n", data->name);
+}
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+static int __init w83627hf_find(int sioaddr, unsigned short *addr,
+                                struct w83627hf_sio_data *sio_data)
 {
         int err = -ENODEV;
         u16 val;
 
+        static const __initdata char *names[] = {
+                "W83627HF",
+                "W83627THF",
+                "W83697HF",
+                "W83637HF",
+                "W83687THF",
+        };
+
         REG = sioaddr;
         VAL = sioaddr + 1;
 
         superio_enter();
         val= superio_inb(DEVID);
-        if(val != W627_DEVID &&
-           val != W627THF_DEVID &&
-           val != W697_DEVID &&
-           val != W637_DEVID &&
-           val != W687THF_DEVID) {
+        switch (val) {
+        case W627_DEVID:
+                sio_data->type = w83627hf;
+                break;
+        case W627THF_DEVID:
+                sio_data->type = w83627thf;
+                break;
+        case W697_DEVID:
+                sio_data->type = w83697hf;
+                break;
+        case W637_DEVID:
+                sio_data->type = w83637hf;
+                break;
+        case W687THF_DEVID:
+                sio_data->type = w83687thf;
+                break;
+        default:
+                pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%x)\n", val);
                 goto exit;
         }
 
@@ -969,6 +994,8 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr)
         }
 
         err = 0;
+        pr_info(DRVNAME ": Found %s chip at %#x\n",
+                names[sio_data->type], *addr);
 
  exit:
         superio_exit();
@@ -1018,6 +1045,7 @@ static struct attribute *w83627hf_attributes[] = {
         &dev_attr_pwm1.attr,
         &dev_attr_pwm2.attr,
 
+        &dev_attr_name.attr,
         NULL
 };
 
@@ -1054,147 +1082,92 @@ static const struct attribute_group w83627hf_group_opt = {
         .attrs = w83627hf_attributes_opt,
 };
 
-static int w83627hf_detect(struct i2c_adapter *adapter)
+static int __devinit w83627hf_probe(struct platform_device *pdev)
 {
-        int val, kind;
-        struct i2c_client *new_client;
+        struct device *dev = &pdev->dev;
+        struct w83627hf_sio_data *sio_data = dev->platform_data;
         struct w83627hf_data *data;
-        int err = 0;
-        const char *client_name = "";
+        struct resource *res;
+        int err;
 
-        if (!request_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE,
-                            w83627hf_driver.driver.name)) {
+        static const char *names[] = {
+                "w83627hf",
+                "w83627thf",
+                "w83697hf",
+                "w83637hf",
+                "w83687thf",
+        };
+
+        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+        if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
+                dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
+                        (unsigned long)res->start,
+                        (unsigned long)(res->start + WINB_REGION_SIZE - 1));
                 err = -EBUSY;
                 goto ERROR0;
         }
 
-        superio_enter();
-        val= superio_inb(DEVID);
-        if(val == W627_DEVID)
-                kind = w83627hf;
-        else if(val == W697_DEVID)
-                kind = w83697hf;
-        else if(val == W627THF_DEVID)
-                kind = w83627thf;
-        else if(val == W637_DEVID)
-                kind = w83637hf;
-        else if (val == W687THF_DEVID)
-                kind = w83687thf;
-        else {
-                dev_info(&adapter->dev,
-                         "Unsupported chip (dev_id=0x%02X).\n", val);
-                goto ERROR1;
-        }
-        superio_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.
-           But it allows us to access w83627hf_{read,write}_value. */
-
         if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto ERROR1;
         }
-
-        new_client = &data->client;
-        i2c_set_clientdata(new_client, data);
-        new_client->addr = address;
+        data->addr = res->start;
+        data->type = sio_data->type;
+        data->name = names[sio_data->type];
         mutex_init(&data->lock);
-        new_client->adapter = adapter;
-        new_client->driver = &w83627hf_driver;
-        new_client->flags = 0;
-
-
-        if (kind == w83627hf) {
-                client_name = "w83627hf";
-        } else if (kind == w83627thf) {
-                client_name = "w83627thf";
-        } else if (kind == w83697hf) {
-                client_name = "w83697hf";
-        } else if (kind == w83637hf) {
-                client_name = "w83637hf";
-        } else if (kind == w83687thf) {
-                client_name = "w83687thf";
-        }
-
-        /* Fill in the remaining client fields and put into the global list */
-        strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
-        data->type = kind;
-        data->valid = 0;
         mutex_init(&data->update_lock);
-
-        /* Tell the I2C layer a new client has arrived */
-        if ((err = i2c_attach_client(new_client)))
-                goto ERROR2;
+        platform_set_drvdata(pdev, data);
 
         /* Initialize the chip */
-        w83627hf_init_client(new_client);
+        w83627hf_init_device(pdev);
 
         /* A few vars need to be filled upon startup */
-        data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1));
-        data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2));
-        data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3));
+        data->fan_min[0] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(1));
+        data->fan_min[1] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(2));
+        data->fan_min[2] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(3));
 
         /* Register common device attributes */
-        if ((err = sysfs_create_group(&new_client->dev.kobj, &w83627hf_group)))
+        if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
                 goto ERROR3;
 
         /* Register chip-specific device attributes */
-        if (kind == w83627hf || kind == w83697hf)
-                if ((err = device_create_file(&new_client->dev,
-                                        &dev_attr_in5_input))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in5_min))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in5_max))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in6_input))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in6_min))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in6_max)))
+        if (data->type == w83627hf || data->type == w83697hf)
+                if ((err = device_create_file(dev, &dev_attr_in5_input))
+                 || (err = device_create_file(dev, &dev_attr_in5_min))
+                 || (err = device_create_file(dev, &dev_attr_in5_max))
+                 || (err = device_create_file(dev, &dev_attr_in6_input))
+                 || (err = device_create_file(dev, &dev_attr_in6_min))
+                 || (err = device_create_file(dev, &dev_attr_in6_max)))
                         goto ERROR4;
 
-        if (kind != w83697hf)
-                if ((err = device_create_file(&new_client->dev,
-                                        &dev_attr_in1_input))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in1_min))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_in1_max))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_fan3_input))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_fan3_min))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_fan3_div))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_temp3_input))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_temp3_max))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_temp3_max_hyst))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_temp3_type)))
+        if (data->type != w83697hf)
+                if ((err = device_create_file(dev, &dev_attr_in1_input))
+                 || (err = device_create_file(dev, &dev_attr_in1_min))
+                 || (err = device_create_file(dev, &dev_attr_in1_max))
+                 || (err = device_create_file(dev, &dev_attr_fan3_input))
+                 || (err = device_create_file(dev, &dev_attr_fan3_min))
+                 || (err = device_create_file(dev, &dev_attr_fan3_div))
+                 || (err = device_create_file(dev, &dev_attr_temp3_input))
+                 || (err = device_create_file(dev, &dev_attr_temp3_max))
+                 || (err = device_create_file(dev, &dev_attr_temp3_max_hyst))
+                 || (err = device_create_file(dev, &dev_attr_temp3_type)))
                         goto ERROR4;
 
-        if (kind != w83697hf && data->vid != 0xff) {
+        if (data->type != w83697hf && data->vid != 0xff) {
                 /* Convert VID to voltage based on VRM */
                 data->vrm = vid_which_vrm();
 
-                if ((err = device_create_file(&new_client->dev,
-                                        &dev_attr_cpu0_vid))
-                 || (err = device_create_file(&new_client->dev,
-                                        &dev_attr_vrm)))
+                if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
+                 || (err = device_create_file(dev, &dev_attr_vrm)))
                         goto ERROR4;
         }
 
-        if (kind == w83627thf || kind == w83637hf || kind == w83687thf)
-                if ((err = device_create_file(&new_client->dev,
-                                        &dev_attr_pwm3)))
+        if (data->type == w83627thf || data->type == w83637hf
+         || data->type == w83687thf)
+                if ((err = device_create_file(dev, &dev_attr_pwm3)))
                         goto ERROR4;
 
-        data->class_dev = hwmon_device_register(&new_client->dev);
+        data->class_dev = hwmon_device_register(dev);
         if (IS_ERR(data->class_dev)) {
                 err = PTR_ERR(data->class_dev);
                 goto ERROR4;
@@ -1203,47 +1176,37 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
         return 0;
 
       ERROR4:
-        sysfs_remove_group(&new_client->dev.kobj, &w83627hf_group);
-        sysfs_remove_group(&new_client->dev.kobj, &w83627hf_group_opt);
+        sysfs_remove_group(&dev->kobj, &w83627hf_group);
+        sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
       ERROR3:
-        i2c_detach_client(new_client);
-      ERROR2:
         kfree(data);
       ERROR1:
-        release_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE);
+        release_region(res->start, WINB_REGION_SIZE);
       ERROR0:
         return err;
 }
 
-static int w83627hf_detach_client(struct i2c_client *client)
+static int __devexit w83627hf_remove(struct platform_device *pdev)
 {
-        struct w83627hf_data *data = i2c_get_clientdata(client);
-        int err;
+        struct w83627hf_data *data = platform_get_drvdata(pdev);
+        struct resource *res;
 
+        platform_set_drvdata(pdev, NULL);
         hwmon_device_unregister(data->class_dev);
 
-        sysfs_remove_group(&client->dev.kobj, &w83627hf_group);
-        sysfs_remove_group(&client->dev.kobj, &w83627hf_group_opt);
-
-        if ((err = i2c_detach_client(client)))
-                return err;
-
-        release_region(client->addr + WINB_REGION_OFFSET, WINB_REGION_SIZE);
+        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
+        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
         kfree(data);
 
+        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+        release_region(res->start, WINB_REGION_SIZE);
+
         return 0;
 }
 
 
-/*
-   ISA access must always be locked explicitly!
-   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the W83781D access and should not be necessary.
-   There are some ugly typecasts here, but the good news is - they should
-   nowhere else be necessary! */
-static int w83627hf_read_value(struct i2c_client *client, u16 reg)
+static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 {
-        struct w83627hf_data *data = i2c_get_clientdata(client);
         int res, word_sized;
 
         mutex_lock(&data->lock);
@@ -1254,29 +1217,29 @@ static int w83627hf_read_value(struct i2c_client *client, u16 reg)
                    || ((reg & 0x00ff) == 0x55));
         if (reg & 0xff00) {
                 outb_p(W83781D_REG_BANK,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
                 outb_p(reg >> 8,
-                       client->addr + W83781D_DATA_REG_OFFSET);
+                       data->addr + W83781D_DATA_REG_OFFSET);
         }
-        outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
-        res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
+        res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
         if (word_sized) {
                 outb_p((reg & 0xff) + 1,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
                 res =
-                    (res << 8) + inb_p(client->addr +
+                    (res << 8) + inb_p(data->addr +
                                        W83781D_DATA_REG_OFFSET);
         }
         if (reg & 0xff00) {
                 outb_p(W83781D_REG_BANK,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
-                outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
         }
         mutex_unlock(&data->lock);
         return res;
 }
 
-static int w83627thf_read_gpio5(struct i2c_client *client)
+static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
 {
         int res = 0xff, sel;
 
@@ -1285,7 +1248,7 @@ static int w83627thf_read_gpio5(struct i2c_client *client)
 
         /* Make sure these GPIO pins are enabled */
         if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
-                dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n");
+                dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
                 goto exit;
         }
 
@@ -1293,12 +1256,12 @@ static int w83627thf_read_gpio5(struct i2c_client *client)
            There must be at least five (VRM 9), and possibly 6 (VRM 10) */
         sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
         if ((sel & 0x1f) != 0x1f) {
-                dev_dbg(&client->dev, "GPIO5 not configured for VID "
+                dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
                         "function\n");
                 goto exit;
         }
 
-        dev_info(&client->dev, "Reading VID from GPIO5\n");
+        dev_info(&pdev->dev, "Reading VID from GPIO5\n");
         res = superio_inb(W83627THF_GPIO5_DR) & sel;
 
 exit:
@@ -1306,7 +1269,7 @@ exit:
         return res;
 }
 
-static int w83687thf_read_vid(struct i2c_client *client)
+static int __devinit w83687thf_read_vid(struct platform_device *pdev)
 {
         int res = 0xff;
 
@@ -1315,13 +1278,13 @@ static int w83687thf_read_vid(struct i2c_client *client)
 
         /* Make sure these GPIO pins are enabled */
         if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
-                dev_dbg(&client->dev, "VID disabled, no VID function\n");
+                dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
                 goto exit;
         }
 
         /* Make sure the pins are configured for input */
         if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
-                dev_dbg(&client->dev, "VID configured as output, "
+                dev_dbg(&pdev->dev, "VID configured as output, "
                         "no VID function\n");
                 goto exit;
         }
@@ -1333,9 +1296,8 @@ exit:
         return res;
 }
 
-static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
+static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
 {
-        struct w83627hf_data *data = i2c_get_clientdata(client);
         int word_sized;
 
         mutex_lock(&data->lock);
@@ -1345,31 +1307,31 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
                    || ((reg & 0x00ff) == 0x55));
         if (reg & 0xff00) {
                 outb_p(W83781D_REG_BANK,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
                 outb_p(reg >> 8,
-                       client->addr + W83781D_DATA_REG_OFFSET);
+                       data->addr + W83781D_DATA_REG_OFFSET);
         }
-        outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
         if (word_sized) {
                 outb_p(value >> 8,
-                       client->addr + W83781D_DATA_REG_OFFSET);
+                       data->addr + W83781D_DATA_REG_OFFSET);
                 outb_p((reg & 0xff) + 1,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
         }
         outb_p(value & 0xff,
-               client->addr + W83781D_DATA_REG_OFFSET);
+               data->addr + W83781D_DATA_REG_OFFSET);
         if (reg & 0xff00) {
                 outb_p(W83781D_REG_BANK,
-                       client->addr + W83781D_ADDR_REG_OFFSET);
-                outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+                       data->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
         }
         mutex_unlock(&data->lock);
         return 0;
 }
 
-static void w83627hf_init_client(struct i2c_client *client)
+static void __devinit w83627hf_init_device(struct platform_device *pdev)
 {
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = platform_get_drvdata(pdev);
         int i;
         enum chips type = data->type;
         u8 tmp;
@@ -1380,53 +1342,53 @@ static void w83627hf_init_client(struct i2c_client *client)
                    speed...) so it is now optional. It might even go away if
                    nobody reports it as being useful, as I see very little
                    reason why this would be needed at all. */
-                dev_info(&client->dev, "If reset=1 solved a problem you were "
+                dev_info(&pdev->dev, "If reset=1 solved a problem you were "
                          "having, please report!\n");
 
                 /* save this register */
-                i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG);
+                i = w83627hf_read_value(data, W83781D_REG_BEEP_CONFIG);
                 /* Reset all except Watchdog values and last conversion values
                    This sets fan-divs to 2, among others */
-                w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80);
+                w83627hf_write_value(data, W83781D_REG_CONFIG, 0x80);
                 /* Restore the register and disable power-on abnormal beep.
                    This saves FAN 1/2/3 input/output values set by BIOS. */
-                w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80);
+                w83627hf_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
                 /* Disable master beep-enable (reset turns it on).
                    Individual beeps should be reset to off but for some reason
                    disabling this bit helps some people not get beeped */
-                w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0);
+                w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 0);
         }
 
         /* Minimize conflicts with other winbond i2c-only clients...  */
         /* disable i2c subclients... how to disable main i2c client?? */
         /* force i2c address to relatively uncommon address */
-        w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89);
-        w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c);
+        w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
+        w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
 
         /* Read VID only once */
         if (type == w83627hf || type == w83637hf) {
-                int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
-                int hi = w83627hf_read_value(client, W83781D_REG_CHIPID);
+                int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
+                int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
         } else if (type == w83627thf) {
-                data->vid = w83627thf_read_gpio5(client);
+                data->vid = w83627thf_read_gpio5(pdev);
         } else if (type == w83687thf) {
-                data->vid = w83687thf_read_vid(client);
+                data->vid = w83687thf_read_vid(pdev);
         }
 
         /* Read VRM & OVT Config only once */
         if (type == w83627thf || type == w83637hf || type == w83687thf) {
                 data->vrm_ovt = 
-                        w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
+                        w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
         }
 
-        tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
+        tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
         for (i = 1; i <= 3; i++) {
                 if (!(tmp & BIT_SCFG1[i - 1])) {
                         data->sens[i - 1] = W83781D_DEFAULT_BETA;
                 } else {
                         if (w83627hf_read_value
-                            (client,
+                            (data,
                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
                                 data->sens[i - 1] = 1;
                         else
@@ -1438,38 +1400,37 @@ static void w83627hf_init_client(struct i2c_client *client)
 
         if(init) {
                 /* Enable temp2 */
-                tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG);
+                tmp = w83627hf_read_value(data, W83781D_REG_TEMP2_CONFIG);
                 if (tmp & 0x01) {
-                        dev_warn(&client->dev, "Enabling temp2, readings "
+                        dev_warn(&pdev->dev, "Enabling temp2, readings "
                                  "might not make sense\n");
-                        w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG,
+                        w83627hf_write_value(data, W83781D_REG_TEMP2_CONFIG,
                                 tmp & 0xfe);
                 }
 
                 /* Enable temp3 */
                 if (type != w83697hf) {
-                        tmp = w83627hf_read_value(client,
+                        tmp = w83627hf_read_value(data,
                                 W83781D_REG_TEMP3_CONFIG);
                         if (tmp & 0x01) {
-                                dev_warn(&client->dev, "Enabling temp3, "
+                                dev_warn(&pdev->dev, "Enabling temp3, "
                                          "readings might not make sense\n");
-                                w83627hf_write_value(client,
+                                w83627hf_write_value(data,
                                         W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
                         }
                 }
         }
 
         /* Start monitoring */
-        w83627hf_write_value(client, W83781D_REG_CONFIG,
-                            (w83627hf_read_value(client,
+        w83627hf_write_value(data, W83781D_REG_CONFIG,
+                            (w83627hf_read_value(data,
                                                 W83781D_REG_CONFIG) & 0xf7)
                             | 0x01);
 }
 
 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        struct w83627hf_data *data = i2c_get_clientdata(client);
+        struct w83627hf_data *data = dev_get_drvdata(dev);
         int i;
 
         mutex_lock(&data->update_lock);
@@ -1483,23 +1444,23 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
                             && (i == 5 || i == 6)))
                                 continue;
                         data->in[i] =
-                            w83627hf_read_value(client, W83781D_REG_IN(i));
+                            w83627hf_read_value(data, W83781D_REG_IN(i));
                         data->in_min[i] =
-                            w83627hf_read_value(client,
+                            w83627hf_read_value(data,
                                                W83781D_REG_IN_MIN(i));
                         data->in_max[i] =
-                            w83627hf_read_value(client,
+                            w83627hf_read_value(data,
                                                W83781D_REG_IN_MAX(i));
                 }
                 for (i = 1; i <= 3; i++) {
                         data->fan[i - 1] =
-                            w83627hf_read_value(client, W83781D_REG_FAN(i));
+                            w83627hf_read_value(data, W83781D_REG_FAN(i));
                         data->fan_min[i - 1] =
-                            w83627hf_read_value(client,
+                            w83627hf_read_value(data,
                                                W83781D_REG_FAN_MIN(i));
                 }
                 for (i = 1; i <= 3; i++) {
-                        u8 tmp = w83627hf_read_value(client,
+                        u8 tmp = w83627hf_read_value(data,
                                 W836X7HF_REG_PWM(data->type, i));
                         /* bits 0-3 are reserved  in 627THF */
                         if (data->type == w83627thf)
@@ -1510,47 +1471,47 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
                                 break;
                 }
 
-                data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1));
+                data->temp = w83627hf_read_value(data, W83781D_REG_TEMP(1));
                 data->temp_max =
-                    w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1));
+                    w83627hf_read_value(data, W83781D_REG_TEMP_OVER(1));
                 data->temp_max_hyst =
-                    w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1));
+                    w83627hf_read_value(data, W83781D_REG_TEMP_HYST(1));
                 data->temp_add[0] =
-                    w83627hf_read_value(client, W83781D_REG_TEMP(2));
+                    w83627hf_read_value(data, W83781D_REG_TEMP(2));
                 data->temp_max_add[0] =
-                    w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2));
+                    w83627hf_read_value(data, W83781D_REG_TEMP_OVER(2));
                 data->temp_max_hyst_add[0] =
-                    w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2));
+                    w83627hf_read_value(data, W83781D_REG_TEMP_HYST(2));
                 if (data->type != w83697hf) {
                         data->temp_add[1] =
-                          w83627hf_read_value(client, W83781D_REG_TEMP(3));
+                          w83627hf_read_value(data, W83781D_REG_TEMP(3));
                         data->temp_max_add[1] =
-                          w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3));
+                          w83627hf_read_value(data, W83781D_REG_TEMP_OVER(3));
                         data->temp_max_hyst_add[1] =
-                          w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3));
+                          w83627hf_read_value(data, W83781D_REG_TEMP_HYST(3));
                 }
 
-                i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
+                i = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
                 data->fan_div[0] = (i >> 4) & 0x03;
                 data->fan_div[1] = (i >> 6) & 0x03;
                 if (data->type != w83697hf) {
-                        data->fan_div[2] = (w83627hf_read_value(client,
+                        data->fan_div[2] = (w83627hf_read_value(data,
                                                W83781D_REG_PIN) >> 6) & 0x03;
                 }
-                i = w83627hf_read_value(client, W83781D_REG_VBAT);
+                i = w83627hf_read_value(data, W83781D_REG_VBAT);
                 data->fan_div[0] |= (i >> 3) & 0x04;
                 data->fan_div[1] |= (i >> 4) & 0x04;
                 if (data->type != w83697hf)
                         data->fan_div[2] |= (i >> 5) & 0x04;
                 data->alarms =
-                    w83627hf_read_value(client, W83781D_REG_ALARM1) |
-                    (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) |
-                    (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16);
-                i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2);
+                    w83627hf_read_value(data, W83781D_REG_ALARM1) |
+                    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
+                    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
+                i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
                 data->beep_enable = i >> 7;
                 data->beep_mask = ((i & 0x7f) << 8) |
-                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) |
-                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16;
+                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
+                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
                 data->last_updated = jiffies;
                 data->valid = 1;
         }
@@ -1560,19 +1521,87 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
         return data;
 }
 
+static int __init w83627hf_device_add(unsigned short address,
+                                      const struct w83627hf_sio_data *sio_data)
+{
+        struct resource res = {
+                .start  = address + WINB_REGION_OFFSET,
+                .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
+                .name   = DRVNAME,
+                .flags  = IORESOURCE_IO,
+        };
+        int err;
+
+        pdev = platform_device_alloc(DRVNAME, address);
+        if (!pdev) {
+                err = -ENOMEM;
+                printk(KERN_ERR DRVNAME ": Device allocation failed\n");
+                goto exit;
+        }
+
+        err = platform_device_add_resources(pdev, &res, 1);
+        if (err) {
+                printk(KERN_ERR DRVNAME ": Device resource addition failed "
+                       "(%d)\n", err);
+                goto exit_device_put;
+        }
+
+        pdev->dev.platform_data = kmalloc(sizeof(struct w83627hf_sio_data),
+                                          GFP_KERNEL);
+        if (!pdev->dev.platform_data) {
+                err = -ENOMEM;
+                printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
+                goto exit_device_put;
+        }
+        memcpy(pdev->dev.platform_data, sio_data,
+               sizeof(struct w83627hf_sio_data));
+
+        err = platform_device_add(pdev);
+        if (err) {
+                printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
+                       err);
+                goto exit_device_put;
+        }
+
+        return 0;
+
+exit_device_put:
+        platform_device_put(pdev);
+exit:
+        return err;
+}
+
 static int __init sensors_w83627hf_init(void)
 {
-        if (w83627hf_find(0x2e, &address)
-         && w83627hf_find(0x4e, &address)) {
+        int err;
+        unsigned short address;
+        struct w83627hf_sio_data sio_data;
+
+        if (w83627hf_find(0x2e, &address, &sio_data)
+         && w83627hf_find(0x4e, &address, &sio_data))
                 return -ENODEV;
-        }
 
-        return i2c_isa_add_driver(&w83627hf_driver);
+        err = platform_driver_register(&w83627hf_driver);
+        if (err)
+                goto exit;
+
+        /* Sets global pdev as a side effect */
+        err = w83627hf_device_add(address, &sio_data);
+        if (err)
+                goto exit_driver;
+
+        return 0;
+
+exit_driver:
+        platform_driver_unregister(&w83627hf_driver);
+exit:
+        return err;
 }
 
 static void __exit sensors_w83627hf_exit(void)
 {
-        i2c_isa_del_driver(&w83627hf_driver);
+        platform_device_unregister(pdev);
+        platform_driver_unregister(&w83627hf_driver);
 }
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "