X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhwmon%2Ff75375s.c;h=1692de36996966d18e36236f3d5e2a3179a75211;hb=ff5d48a6d18d09bb750d1f89f6464f5fdb6fc85b;hp=6892f76fc18ab42190168efab9a61a857a8d02a7;hpb=c1f3ee120bb61045b1c0a3ead620d1d65af47130;p=linux-2.6

diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 6892f76fc1..1692de3699 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -37,7 +37,7 @@
 #include <linux/f75375s.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_2(f75373, f75375);
@@ -87,7 +87,6 @@ I2C_CLIENT_INSMOD_2(f75373, f75375);
 
 struct f75375_data {
 	unsigned short addr;
-	struct i2c_client *client;
 	struct device *hwmon_dev;
 
 	const char *name;
@@ -114,26 +113,29 @@ struct f75375_data {
 	s8 temp_max_hyst[2];
 };
 
-static int f75375_attach_adapter(struct i2c_adapter *adapter);
-static int f75375_detect(struct i2c_adapter *adapter, int address, int kind);
-static int f75375_detach_client(struct i2c_client *client);
-static int f75375_probe(struct i2c_client *client);
+static int f75375_detect(struct i2c_client *client, int kind,
+			 struct i2c_board_info *info);
+static int f75375_probe(struct i2c_client *client,
+			const struct i2c_device_id *id);
 static int f75375_remove(struct i2c_client *client);
 
-static struct i2c_driver f75375_legacy_driver = {
-	.driver = {
-		.name = "f75375_legacy",
-	},
-	.attach_adapter = f75375_attach_adapter,
-	.detach_client = f75375_detach_client,
+static const struct i2c_device_id f75375_id[] = {
+	{ "f75373", f75373 },
+	{ "f75375", f75375 },
+	{ }
 };
+MODULE_DEVICE_TABLE(i2c, f75375_id);
 
 static struct i2c_driver f75375_driver = {
+	.class = I2C_CLASS_HWMON,
 	.driver = {
 		.name = "f75375",
 	},
 	.probe = f75375_probe,
 	.remove = f75375_remove,
+	.id_table = f75375_id,
+	.detect = f75375_detect,
+	.address_data = &addr_data,
 };
 
 static inline int f75375_read8(struct i2c_client *client, u8 reg)
@@ -598,22 +600,6 @@ static const struct attribute_group f75375_group = {
 	.attrs = f75375_attributes,
 };
 
-static int f75375_detach_client(struct i2c_client *client)
-{
-	int err;
-
-	f75375_remove(client);
-	err = i2c_detach_client(client);
-	if (err) {
-		dev_err(&client->dev,
-			"Client deregistration failed, "
-			"client not detached.\n");
-		return err;
-	}
-	kfree(client);
-	return 0;
-}
-
 static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 		struct f75375s_platform_data *f75375s_pdata)
 {
@@ -628,7 +614,8 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 
 }
 
-static int f75375_probe(struct i2c_client *client)
+static int f75375_probe(struct i2c_client *client,
+		const struct i2c_device_id *id)
 {
 	struct f75375_data *data = i2c_get_clientdata(client);
 	struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
@@ -641,17 +628,8 @@ static int f75375_probe(struct i2c_client *client)
 		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
-	data->client = client;
 	mutex_init(&data->update_lock);
-
-	if (strcmp(client->name, "f75375") == 0)
-		data->kind = f75375;
-	else if (strcmp(client->name, "f75373") == 0)
-		data->kind = f75373;
-	else {
-		dev_err(&client->dev, "Unsupported device: %s\n", client->name);
-		return -ENODEV;
-	}
+	data->kind = id->driver_data;
 
 	if ((err = sysfs_create_group(&client->dev.kobj, &f75375_group)))
 		goto exit_free;
@@ -698,29 +676,14 @@ static int f75375_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int f75375_attach_adapter(struct i2c_adapter *adapter)
-{
-	if (!(adapter->class & I2C_CLASS_HWMON))
-		return 0;
-	return i2c_probe(adapter, &addr_data, f75375_detect);
-}
-
-/* This function is called by i2c_probe */
-static int f75375_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int f75375_detect(struct i2c_client *client, int kind,
+			 struct i2c_board_info *info)
 {
-	struct i2c_client *client;
+	struct i2c_adapter *adapter = client->adapter;
 	u8 version = 0;
-	int err = 0;
 	const char *name = "";
 
-	if (!(client = kzalloc(sizeof(*client), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto exit;
-	}
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &f75375_legacy_driver;
-
 	if (kind < 0) {
 		u16 vendid = f75375_read16(client, F75375_REG_VENDOR);
 		u16 chipid = f75375_read16(client, F75375_CHIP_ID);
@@ -733,7 +696,7 @@ static int f75375_detect(struct i2c_adapter *adapter, int address, int kind)
 			dev_err(&adapter->dev,
 				"failed,%02X,%02X,%02X\n",
 				chipid, version, vendid);
-			goto exit_free;
+			return -ENODEV;
 		}
 	}
 
@@ -743,41 +706,18 @@ static int f75375_detect(struct i2c_adapter *adapter, int address, int kind)
 		name = "f75373";
 	}
 	dev_info(&adapter->dev, "found %s version: %02X\n", name, version);
-	strlcpy(client->name, name, I2C_NAME_SIZE);
-
-	if ((err = i2c_attach_client(client)))
-		goto exit_free;
-
-	if ((err = f75375_probe(client)) < 0)
-		goto exit_detach;
+	strlcpy(info->type, name, I2C_NAME_SIZE);
 
 	return 0;
-
-exit_detach:
-	i2c_detach_client(client);
-exit_free:
-	kfree(client);
-exit:
-	return err;
 }
 
 static int __init sensors_f75375_init(void)
 {
-	int status;
-	status = i2c_add_driver(&f75375_driver);
-	if (status)
-		return status;
-
-	status = i2c_add_driver(&f75375_legacy_driver);
-	if (status)
-		i2c_del_driver(&f75375_driver);
-
-	return status;
+	return i2c_add_driver(&f75375_driver);
 }
 
 static void __exit sensors_f75375_exit(void)
 {
-	i2c_del_driver(&f75375_legacy_driver);
 	i2c_del_driver(&f75375_driver);
 }