vrm is now maintained in hwmon-vid, no need to keep a local copy.
Driver detection no longer fails if vrm is unknown. Instead, the cpu0_vid
attribute is not created in that case.
Replace the new_client variable with client to make code easier to read.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Sebastian Witt <se.witt@xxxxxxx>
---
drivers/hwmon/atxp1.c | 62 ++++++++++++++++++++----------------------------
1 files changed, 26 insertions(+), 36 deletions(-)
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index 58af6aa..a99e771 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -80,7 +80,6 @@ struct atxp1_data {
u8 gpio1; /* General purpose I/O register 1 */
u8 gpio2; /* General purpose I/O register 2 */
} reg;
- u8 vrm; /* Detected CPU VRM */
};
static struct atxp1_data *atxp1_update_device(struct device *dev)
@@ -119,8 +118,8 @@ static ssize_t atxp1_showvcore(struct device *dev,
data = atxp1_update_device(dev);
- size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK,
- data->vrm));
+ size = sprintf(buf, "%d\n",
+ vid_from_reg(data->reg.vid & ATXP1_VIDMASK));
return size;
}
@@ -146,11 +145,10 @@ static ssize_t atxp1_storevcore(struct device *dev,
vcore *= 25;
/* Calculate VID */
- vid = vid_to_reg(vcore, data->vrm);
-
+ vid = vid_to_reg(vcore);
if (vid < 0) {
dev_err(dev, "VID calculation failed.\n");
- return -1;
+ return vid;
}
/*
@@ -288,7 +286,6 @@ static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
static struct attribute *atxp1_attributes[] = {
&dev_attr_gpio1.attr,
&dev_attr_gpio2.attr,
- &dev_attr_cpu0_vid.attr,
NULL
};
@@ -298,10 +295,10 @@ static const struct attribute_group atxp1_group = {
/* Return 0 if detection is successful, -ENODEV otherwise */
-static int atxp1_detect(struct i2c_client *new_client,
+static int atxp1_detect(struct i2c_client *client,
struct i2c_board_info *info)
{
- struct i2c_adapter *adapter = new_client->adapter;
+ struct i2c_adapter *adapter = client->adapter;
u8 temp;
@@ -309,37 +306,28 @@ static int atxp1_detect(struct i2c_client *new_client,
return -ENODEV;
/* Detect ATXP1, checking if vendor ID registers are all zero */
- if (!((i2c_smbus_read_byte_data(new_client, 0x3e) == 0) &&
- (i2c_smbus_read_byte_data(new_client, 0x3f) == 0) &&
- (i2c_smbus_read_byte_data(new_client, 0xfe) == 0) &&
- (i2c_smbus_read_byte_data(new_client, 0xff) == 0)))
+ if (!((i2c_smbus_read_byte_data(client, 0x3e) == 0) &&
+ (i2c_smbus_read_byte_data(client, 0x3f) == 0) &&
+ (i2c_smbus_read_byte_data(client, 0xfe) == 0) &&
+ (i2c_smbus_read_byte_data(client, 0xff) == 0)))
return -ENODEV;
/*
* No vendor ID, now checking if registers 0x10,0x11 (non-existent)
* showing the same as register 0x00
*/
- temp = i2c_smbus_read_byte_data(new_client, 0x00);
-
- if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) &&
- (i2c_smbus_read_byte_data(new_client, 0x11) == temp)))
- return -ENODEV;
+ temp = i2c_smbus_read_byte_data(client, 0x00);
- /* Get VRM */
- temp = vid_which_vrm();
-
- if ((temp != 90) && (temp != 91)) {
- dev_err(&adapter->dev, "atxp1: Not supporting VRM %d.%d\n",
- temp / 10, temp % 10);
+ if (!((i2c_smbus_read_byte_data(client, 0x10) == temp) &&
+ (i2c_smbus_read_byte_data(client, 0x11) == temp)))
return -ENODEV;
- }
strlcpy(info->type, "atxp1", I2C_NAME_SIZE);
return 0;
}
-static int atxp1_probe(struct i2c_client *new_client,
+static int atxp1_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct atxp1_data *data;
@@ -351,32 +339,33 @@ static int atxp1_probe(struct i2c_client *new_client,
goto exit;
}
- /* Get VRM */
- data->vrm = vid_which_vrm();
-
- i2c_set_clientdata(new_client, data);
+ i2c_set_clientdata(client, data);
data->valid = 0;
mutex_init(&data->update_lock);
/* Register sysfs hooks */
- err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group);
+ err = sysfs_create_group(&client->dev.kobj, &atxp1_group);
if (err)
goto exit_free;
- data->hwmon_dev = hwmon_device_register(&new_client->dev);
+ if (vid_which_vrm() > 0) {
+ err = device_create_file(&client->dev, &dev_attr_cpu0_vid);
+ if (err)
+ goto exit_remove_files;
+ }
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto exit_remove_files;
}
- dev_info(&new_client->dev, "Using VRM: %d.%d\n",
- data->vrm / 10, data->vrm % 10);
-
return 0;
exit_remove_files:
- sysfs_remove_group(&new_client->dev.kobj, &atxp1_group);
+ device_remove_file(&client->dev, &dev_attr_cpu0_vid);
+ sysfs_remove_group(&client->dev.kobj, &atxp1_group);
exit_free:
kfree(data);
exit:
@@ -388,6 +377,7 @@ static int atxp1_remove(struct i2c_client *client)
struct atxp1_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
+ device_remove_file(&client->dev, &dev_attr_cpu0_vid);
sysfs_remove_group(&client->dev.kobj, &atxp1_group);
kfree(data);
--
1.7.5.4
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