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-rw-r--r--Documentation/hwmon/max66509
-rw-r--r--drivers/hwmon/max6650.c44
2 files changed, 8 insertions, 45 deletions
diff --git a/Documentation/hwmon/max6650 b/Documentation/hwmon/max6650
index c565650fcfc6..b26fef5f950e 100644
--- a/Documentation/hwmon/max6650
+++ b/Documentation/hwmon/max6650
@@ -4,7 +4,7 @@ Kernel driver max6650
Supported chips:
* Maxim 6650 / 6651
Prefix: 'max6650'
- Addresses scanned: I2C 0x1b, 0x1f, 0x48, 0x4b
+ Addresses scanned: none
Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
Authors:
@@ -36,6 +36,13 @@ fan1_div rw sets the speed range the inputs can handle. Legal
values are 1, 2, 4, and 8. Use lower values for
faster fans.
+Usage notes
+-----------
+
+This driver does not auto-detect devices. You will have to instantiate the
+devices explicitly. Please see Documentation/i2c/instantiating-devices for
+details.
+
Module parameters
-----------------
diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 9a11532ecae8..cced18626174 100644
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -41,13 +41,6 @@
#include <linux/err.h>
/*
- * Addresses to scan. There are four disjoint possibilities, by pin config.
- */
-
-static const unsigned short normal_i2c[] = {0x1b, 0x1f, 0x48, 0x4b,
- I2C_CLIENT_END};
-
-/*
* Insmod parameters
*/
@@ -114,8 +107,6 @@ module_param(clock, int, S_IRUGO);
static int max6650_probe(struct i2c_client *client,
const struct i2c_device_id *id);
-static int max6650_detect(struct i2c_client *client,
- struct i2c_board_info *info);
static int max6650_init_client(struct i2c_client *client);
static int max6650_remove(struct i2c_client *client);
static struct max6650_data *max6650_update_device(struct device *dev);
@@ -131,15 +122,12 @@ static const struct i2c_device_id max6650_id[] = {
MODULE_DEVICE_TABLE(i2c, max6650_id);
static struct i2c_driver max6650_driver = {
- .class = I2C_CLASS_HWMON,
.driver = {
.name = "max6650",
},
.probe = max6650_probe,
.remove = max6650_remove,
.id_table = max6650_id,
- .detect = max6650_detect,
- .address_list = normal_i2c,
};
/*
@@ -525,38 +513,6 @@ static struct attribute_group max6650_attr_grp = {
* Real code
*/
-/* Return 0 if detection is successful, -ENODEV otherwise */
-static int max6650_detect(struct i2c_client *client,
- struct i2c_board_info *info)
-{
- struct i2c_adapter *adapter = client->adapter;
- int address = client->addr;
-
- dev_dbg(&adapter->dev, "max6650_detect called\n");
-
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
- dev_dbg(&adapter->dev, "max6650: I2C bus doesn't support "
- "byte read mode, skipping.\n");
- return -ENODEV;
- }
-
- if (((i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG) & 0xC0)
- ||(i2c_smbus_read_byte_data(client, MAX6650_REG_GPIO_STAT) & 0xE0)
- ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM_EN) & 0xE0)
- ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM) & 0xE0)
- ||(i2c_smbus_read_byte_data(client, MAX6650_REG_COUNT) & 0xFC))) {
- dev_dbg(&adapter->dev,
- "max6650: detection failed at 0x%02x.\n", address);
- return -ENODEV;
- }
-
- dev_info(&adapter->dev, "max6650: chip found at 0x%02x.\n", address);
-
- strlcpy(info->type, "max6650", I2C_NAME_SIZE);
-
- return 0;
-}
-
static int max6650_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{