/*
* f75375s.c - driver for the Fintek F75375/SP and F75373
* hardware monitoring features
- * Copyright (C) 2006-2007 Riku Voipio <riku.voipio@movial.fi>
+ * Copyright (C) 2006-2007 Riku Voipio
*
* Datasheets available at:
*
#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);
struct f75375_data {
unsigned short addr;
- struct i2c_client *client;
struct device *hwmon_dev;
const char *name;
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)
.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)
{
}
-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 f75375_data *data;
struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
int err;
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;
return 0;
}
-static int f75375_attach_adapter(struct i2c_adapter *adapter)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int f75375_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info)
{
- 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)
-{
- 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);
dev_err(&adapter->dev,
"failed,%02X,%02X,%02X\n",
chipid, version, vendid);
- goto exit_free;
+ return -ENODEV;
}
}
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);
}
-MODULE_AUTHOR("Riku Voipio <riku.voipio@movial.fi>");
+MODULE_AUTHOR("Riku Voipio");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("F75373/F75375 hardware monitoring driver");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff