Merge branch 'master' of /home/tglx/work/mtd/git/linux-2.6.git/

[pandora-kernel.git] / drivers / hwmon / w83627ehf.c

diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 956e7f8..eee22a5 100644 (file)
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -40,19 +40,14 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
+#include <linux/i2c-isa.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <asm/io.h>
 #include "lm75.h"
 
-/* Addresses to scan
-   The actual ISA address is read from Super-I/O configuration space */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
-
-/* Insmod parameters */
-SENSORS_INSMOD_1(w83627ehf);
+/* The actual ISA address is read from Super-I/O configuration space */
+static unsigned short address;
 
 /*
  * Super-I/O constants and functions
@@ -110,7 +105,9 @@ superio_exit(void)
  * ISA constants
  */
 
-#define REGION_LENGTH          8
+#define REGION_ALIGNMENT       ~7
+#define REGION_OFFSET          5
+#define REGION_LENGTH          2
 #define ADDR_REG_OFFSET                5
 #define DATA_REG_OFFSET                6
 
@@ -672,25 +669,22 @@ static void w83627ehf_init_client(struct i2c_client *client)
        }
 }
 
-static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind)
+static int w83627ehf_detect(struct i2c_adapter *adapter)
 {
        struct i2c_client *client;
        struct w83627ehf_data *data;
        int i, err = 0;
 
-       if (!i2c_is_isa_adapter(adapter))
-               return 0;
-
-       if (!request_region(address, REGION_LENGTH, w83627ehf_driver.name)) {
+       if (!request_region(address + REGION_OFFSET, REGION_LENGTH,
+                           w83627ehf_driver.name)) {
                err = -EBUSY;
                goto exit;
        }
 
-       if (!(data = kmalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
+       if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
                err = -ENOMEM;
                goto exit_release;
        }
-       memset(data, 0, sizeof(struct w83627ehf_data));
 
        client = &data->client;
        i2c_set_clientdata(client, data);
@@ -770,18 +764,11 @@ exit_detach:
 exit_free:
        kfree(data);
 exit_release:
-       release_region(address, REGION_LENGTH);
+       release_region(address + REGION_OFFSET, REGION_LENGTH);
 exit:
        return err;
 }
 
-static int w83627ehf_attach_adapter(struct i2c_adapter *adapter)
-{
-       if (!(adapter->class & I2C_CLASS_HWMON))
-               return 0;
-       return i2c_detect(adapter, &addr_data, w83627ehf_detect);
-}
-
 static int w83627ehf_detach_client(struct i2c_client *client)
 {
        struct w83627ehf_data *data = i2c_get_clientdata(client);
@@ -789,12 +776,9 @@ static int w83627ehf_detach_client(struct i2c_client *client)
 
        hwmon_device_unregister(data->class_dev);
 
-       if ((err = i2c_detach_client(client))) {
-               dev_err(&client->dev, "Client deregistration failed, "
-                       "client not detached.\n");
+       if ((err = i2c_detach_client(client)))
                return err;
-       }
-       release_region(client->addr, REGION_LENGTH);
+       release_region(client->addr + REGION_OFFSET, REGION_LENGTH);
        kfree(data);
 
        return 0;
@@ -803,12 +787,11 @@ static int w83627ehf_detach_client(struct i2c_client *client)
 static struct i2c_driver w83627ehf_driver = {
        .owner          = THIS_MODULE,
        .name           = "w83627ehf",
-       .flags          = I2C_DF_NOTIFY,
-       .attach_adapter = w83627ehf_attach_adapter,
+       .attach_adapter = w83627ehf_detect,
        .detach_client  = w83627ehf_detach_client,
 };
 
-static int __init w83627ehf_find(int sioaddr, int *address)
+static int __init w83627ehf_find(int sioaddr, unsigned short *addr)
 {
        u16 val;
 
@@ -826,8 +809,8 @@ static int __init w83627ehf_find(int sioaddr, int *address)
        superio_select(W83627EHF_LD_HWM);
        val = (superio_inb(SIO_REG_ADDR) << 8)
            | superio_inb(SIO_REG_ADDR + 1);
-       *address = val & ~(REGION_LENGTH - 1);
-       if (*address == 0) {
+       *addr = val & REGION_ALIGNMENT;
+       if (*addr == 0) {
                superio_exit();
                return -ENODEV;
        }
@@ -843,16 +826,16 @@ static int __init w83627ehf_find(int sioaddr, int *address)
 
 static int __init sensors_w83627ehf_init(void)
 {
-       if (w83627ehf_find(0x2e, &normal_isa[0])
-        && w83627ehf_find(0x4e, &normal_isa[0]))
+       if (w83627ehf_find(0x2e, &address)
+        && w83627ehf_find(0x4e, &address))
                return -ENODEV;
 
-       return i2c_add_driver(&w83627ehf_driver);
+       return i2c_isa_add_driver(&w83627ehf_driver);
 }
 
 static void __exit sensors_w83627ehf_exit(void)
 {
-       i2c_del_driver(&w83627ehf_driver);
+       i2c_isa_del_driver(&w83627ehf_driver);
 }
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");