Datasheets:
http://www.ti.com/lit/gpn/lm25056
http://www.ti.com/lit/gpn/lm25056a
+ * TI LM25063
+ Prefix: 'lm25063'
+ Addresses scanned: -
+ Datasheet:
+ To be announced
* National Semiconductor LM25066
Prefix: 'lm25066'
Addresses scanned: -
-----------
This driver supports hardware montoring for National Semiconductor / TI LM25056,
-LM25066, LM5064, and LM5064 Power Management, Monitoring, Control, and
+LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and
Protection ICs.
The driver is a client driver to the core PMBus driver. Please see
in1_average Average measured input voltage.
in1_min Minimum input voltage.
in1_max Maximum input voltage.
+in1_crit Critical high input voltage (LM25063 only).
+in1_lcrit Critical low input voltage (LM25063 only).
in1_min_alarm Input voltage low alarm.
in1_max_alarm Input voltage high alarm.
+in1_lcrit_alarm Input voltage critical low alarm (LM25063 only).
+in1_crit_alarm Input voltage critical high alarm. (LM25063 only).
in2_label "vmon"
in2_input Measured voltage on VAUX pin
in3_average Average measured output voltage.
in3_min Minimum output voltage.
in3_min_alarm Output voltage low alarm.
+in3_highest Historical minimum output voltage (LM25063 only).
+in3_lowest Historical maximum output voltage (LM25063 only).
curr1_label "iin"
curr1_input Measured input current.
curr1_average Average measured input current.
curr1_max Maximum input current.
+curr1_crit Critical input current (LM25063 only).
curr1_max_alarm Input current high alarm.
+curr1_crit_alarm Input current critical high alarm (LM25063 only).
power1_label "pin"
power1_input Measured input power.
power1_input_highest Historical maximum power.
power1_reset_history Write any value to reset maximum power history.
+power2_label "pout". LM25063 only.
+power2_input Measured output power.
+power2_max Maximum output power limit.
+power2_crit Critical output power limit.
+
temp1_input Measured temperature.
temp1_max Maximum temperature.
temp1_crit Critical high temperature.
Prefix: 'ltc2974'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc2974
- * Linear Technology LTC2978
+ * Linear Technology LTC2977
+ Prefix: 'ltc2977'
+ Addresses scanned: -
+ Datasheet: http://www.linear.com/product/ltc2977
+ * Linear Technology LTC2978, LTC2978A
Prefix: 'ltc2978'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc2978
+ http://www.linear.com/product/ltc2978a
* Linear Technology LTC3880
Prefix: 'ltc3880'
Addresses scanned: -
-----------
LTC2974 is a quad digital power supply manager. LTC2978 is an octal power supply
-monitor. LTC3880 is a dual output poly-phase step-down DC/DC controller. LTC3883
-is a single phase step-down DC/DC controller.
+monitor. LTC2977 is a pin compatible replacement for LTC2978. LTC3880 is a dual
+output poly-phase step-down DC/DC controller. LTC3883 is a single phase
+step-down DC/DC controller.
Usage Notes
in1_label "vin"
in1_input Measured input voltage.
in1_min Minimum input voltage.
-in1_max Maximum input voltage. LTC2974 and LTC2978 only.
-in1_lcrit Critical minimum input voltage. LTC2974 and LTC2978
- only.
+in1_max Maximum input voltage.
+ LTC2974, LTC2977, and LTC2978 only.
+in1_lcrit Critical minimum input voltage.
+ LTC2974, LTC2977, and LTC2978 only.
in1_crit Critical maximum input voltage.
in1_min_alarm Input voltage low alarm.
-in1_max_alarm Input voltage high alarm. LTC2974 and LTC2978 only.
-in1_lcrit_alarm Input voltage critical low alarm. LTC2974 and LTC2978
- only.
+in1_max_alarm Input voltage high alarm.
+ LTC2974, LTC2977, and LTC2978 only.
+in1_lcrit_alarm Input voltage critical low alarm.
+ LTC2974, LTC2977, and LTC2978 only.
in1_crit_alarm Input voltage critical high alarm.
-in1_lowest Lowest input voltage. LTC2974 and LTC2978 only.
+in1_lowest Lowest input voltage.
+ LTC2974, LTC2977, and LTC2978 only.
in1_highest Highest input voltage.
in1_reset_history Reset input voltage history.
in[N]_label "vout[1-8]".
LTC2974: N=2-5
+ LTC2977: N=2-9
LTC2978: N=2-9
LTC3880: N=2-3
LTC3883: N=2
temp[N]_input Measured temperature.
On LTC2974, temp[1-4] report external temperatures,
and temp5 reports the chip temperature.
- On LTC2978, only one temperature measurement is
- supported and reports the chip temperature.
+ On LTC2977 and LTC2978, only one temperature measurement
+ is supported and reports the chip temperature.
On LTC3880, temp1 and temp2 report external
temperatures, and temp3 reports the chip temperature.
On LTC3883, temp1 reports an external temperature,
and temp2 reports the chip temperature.
-temp[N]_min Mimimum temperature. LTC2974 and LTC2978 only.
+temp[N]_min Mimimum temperature. LTC2974, LCT2977, and LTC2978 only.
temp[N]_max Maximum temperature.
temp[N]_lcrit Critical low temperature.
temp[N]_crit Critical high temperature.
-temp[N]_min_alarm Temperature low alarm. LTC2974 and LTC2978 only.
+temp[N]_min_alarm Temperature low alarm.
+ LTC2974, LTC2977, and LTC2978 only.
temp[N]_max_alarm Temperature high alarm.
temp[N]_lcrit_alarm Temperature critical low alarm.
temp[N]_crit_alarm Temperature critical high alarm.
-temp[N]_lowest Lowest measured temperature. LTC2974 and LTC2978 only.
+temp[N]_lowest Lowest measured temperature.
+ LTC2974, LTC2977, and LTC2978 only.
Not supported for chip temperature sensor on LTC2974.
temp[N]_highest Highest measured temperature. Not supported for chip
temperature sensor on LTC2974.
power[N]_label "pout[1-4]".
LTC2974: N=1-4
+ LTC2977: Not supported
LTC2978: Not supported
LTC3880: N=1-2
LTC3883: N=2
curr[N]_label "iout[1-4]".
LTC2974: N=1-4
+ LTC2977: not supported
LTC2978: not supported
LTC3880: N=2-3
LTC3883: N=2
static const int abituguru_pwm_settings_multiplier[5] = { 0, 1, 1, 1000, 1000 };
/*
* Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a
- * special case the minium allowed pwm% setting for this is 30% (77) on
+ * special case the minimum allowed pwm% setting for this is 30% (77) on
* some MB's this special case is handled in the code!
*/
static const u8 abituguru_pwm_min[5] = { 0, 170, 170, 25, 25 };
ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr);
/*
- * Volt sensor test, enable volt low alarm, set min value ridicously
+ * Volt sensor test, enable volt low alarm, set min value ridiculously
* high, or vica versa if the reading is very high. If its a volt
* sensor this should always give us an alarm.
*/
/*
* Temp sensor test, enable sensor as a temp sensor, set beep value
- * ridicously low (but not too low, otherwise uguru ignores it).
+ * ridiculously low (but not too low, otherwise uguru ignores it).
* If its a temp sensor this should always give us an alarm.
*/
buf[0] = ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE;
/*
* The abituguru3 supports up to 48 sensors, and thus has registers
- * sets for 48 sensors, for convienence reasons / simplicity of the
+ * sets for 48 sensors, for convenience reasons / simplicity of the
* code we always read and store all registers for all 48 sensors
*/
val = resource->oem_info;
break;
default:
- BUG();
+ WARN(1, "Implementation error: unexpected attribute index %d\n",
+ attr->index);
val = "";
+ break;
}
return sprintf(buf, "%s\n", val);
val = resource->trip[attr->index - 7] * 1000;
break;
default:
- BUG();
+ WARN(1, "Implementation error: unexpected attribute index %d\n",
+ attr->index);
+ break;
}
return sprintf(buf, "%llu\n", val);
dev_info(&device->dev, "Capping in progress.\n");
break;
default:
- BUG();
+ WARN(1, "Unexpected event %d\n", event);
+ break;
}
mutex_unlock(&resource->lock);
result = acpi_bus_register_driver(&acpi_power_meter_driver);
if (result < 0)
- return -ENODEV;
+ return result;
return 0;
}
for (i--; i >= 0; i--)
device_remove_file(&spi->dev, &ad_input[i].dev_attr);
- spi_set_drvdata(spi, NULL);
mutex_unlock(&adc->lock);
return status;
}
for (i = 0; i < 3 + adc->channels; i++)
device_remove_file(&spi->dev, &ad_input[i].dev_attr);
- spi_set_drvdata(spi, NULL);
mutex_unlock(&adc->lock);
return 0;
data->gpio = gpio;
data->last_reading = jiffies;
- }; /* last_reading */
+ } /* last_reading */
if (!data->valid ||
time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
}
data->last_config = jiffies;
- }; /* last_config */
+ } /* last_config */
data->valid = 1;
mutex_unlock(&data->update_lock);
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
/* We need to be able to do byte I/O */
return -ENODEV;
- };
+ }
/* Now, we do the remaining detection. */
if (trange_values[i] == trange)
return i;
- return -ENODEV;
+ return -EINVAL;
}
static struct adt7462_data *adt7462_update_device(struct device *dev)
/* trange = tmax - tmin */
tmin = (data->pwm_tmin[attr->index] - 64) * 1000;
trange_value = find_trange_value(trange - tmin);
-
if (trange_value < 0)
- return -EINVAL;
+ return trange_value;
temp = trange_value << ADT7462_PWM_RANGE_SHIFT;
temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK;
dev_err(&client->dev,
"Unable to read from register 0x%02x.\n", reg);
return 0;
- };
+ }
return res & 0xff;
}
dev_err(&client->dev,
"Unable to write value 0x%02x to register 0x%02x.\n",
data, reg);
- };
+ }
return res;
}
}
}
data->last_high_reading = jiffies;
- }; /* last_reading */
+ } /* last_reading */
/* Read all the low priority registers. */
}
}
data->last_low_reading = jiffies;
- }; /* last_reading */
+ } /* last_reading */
data->valid = 1;
dev_err(&client->dev,
"Client (%d,0x%02x) config is locked.\n",
i2c_adapter_id(client->adapter), client->addr);
- };
+ }
if (!(value & 0x04)) {
dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
i2c_adapter_id(client->adapter), client->addr);
- };
+ }
/*
* Start monitoring
acpi_handle rtmp_handle;
acpi_handle rvlt_handle;
acpi_handle rfan_handle;
- /* new inteface */
+ /* new interface */
acpi_handle enumerate_handle;
acpi_handle read_handle;
acpi_handle write_handle;
/* Calculate VID */
vid = vid_to_reg(vcore, data->vrm);
-
if (vid < 0) {
dev_err(dev, "VID calculation failed.\n");
- return -1;
+ return vid;
}
/*
/* Each client has this additional data */
struct ds1621_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
return temp;
}
-static void ds1621_init_client(struct i2c_client *client)
+static void ds1621_init_client(struct ds1621_data *data,
+ struct i2c_client *client)
{
u8 conf, new_conf, sreg, resol;
- struct ds1621_data *data = i2c_get_clientdata(client);
new_conf = conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
/* switch to continuous conversion mode */
static struct ds1621_data *ds1621_update_client(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
+ struct ds1621_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u8 new_conf;
mutex_lock(&data->update_lock);
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
+ struct ds1621_data *data = dev_get_drvdata(dev);
long val;
int err;
mutex_lock(&data->update_lock);
data->temp[attr->index] = DS1621_TEMP_TO_REG(val, data->zbits);
- i2c_smbus_write_word_swapped(client, DS1621_REG_TEMP[attr->index],
+ i2c_smbus_write_word_swapped(data->client, DS1621_REG_TEMP[attr->index],
data->temp[attr->index]);
mutex_unlock(&data->update_lock);
return count;
static ssize_t show_convrate(struct device *dev, struct device_attribute *da,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
+ struct ds1621_data *data = dev_get_drvdata(dev);
return scnprintf(buf, PAGE_SIZE, "%hu\n", data->update_interval);
}
static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
+ struct ds1621_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long convrate;
s32 err;
int resol = 0;
struct attribute *attr, int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
+ struct ds1621_data *data = dev_get_drvdata(dev);
if (attr == &dev_attr_update_interval.attr)
if (data->kind == ds1621 || data->kind == ds1625)
.attrs = ds1621_attributes,
.is_visible = ds1621_attribute_visible
};
+__ATTRIBUTE_GROUPS(ds1621);
static int ds1621_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ds1621_data *data;
- int err;
+ struct device *hwmon_dev;
data = devm_kzalloc(&client->dev, sizeof(struct ds1621_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
data->kind = id->driver_data;
+ data->client = client;
/* Initialize the DS1621 chip */
- ds1621_init_client(client);
-
- /* Register sysfs hooks */
- err = sysfs_create_group(&client->dev.kobj, &ds1621_group);
- if (err)
- return err;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove_files;
- }
-
- return 0;
-
- exit_remove_files:
- sysfs_remove_group(&client->dev.kobj, &ds1621_group);
- return err;
-}
-
-static int ds1621_remove(struct i2c_client *client)
-{
- struct ds1621_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &ds1621_group);
+ ds1621_init_client(data, client);
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+ client->name, data,
+ ds1621_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
static const struct i2c_device_id ds1621_id[] = {
.name = "ds1621",
},
.probe = ds1621_probe,
- .remove = ds1621_remove,
.id_table = ds1621_id,
};
*
* TODO
* - cache alarm and critical limit registers
- * - add emc1404 support
*/
#include <linux/module.h>
#define THERMAL_REVISION_REG 0xff
struct thermal_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
+ const struct attribute_group *groups[3];
struct mutex mutex;
/*
* Cache the hyst value so we don't keep re-reading it. In theory
static ssize_t show_temp(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
- int retval = i2c_smbus_read_byte_data(client, sda->index);
+ struct thermal_data *data = dev_get_drvdata(dev);
+ int retval;
+ retval = i2c_smbus_read_byte_data(data->client, sda->index);
if (retval < 0)
return retval;
return sprintf(buf, "%d000\n", retval);
static ssize_t show_bit(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
- int retval = i2c_smbus_read_byte_data(client, sda->nr);
+ struct thermal_data *data = dev_get_drvdata(dev);
+ int retval;
+ retval = i2c_smbus_read_byte_data(data->client, sda->nr);
if (retval < 0)
return retval;
- retval &= sda->index;
- return sprintf(buf, "%d\n", retval ? 1 : 0);
+ return sprintf(buf, "%d\n", !!(retval & sda->index));
}
static ssize_t store_temp(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
- struct i2c_client *client = to_i2c_client(dev);
+ struct thermal_data *data = dev_get_drvdata(dev);
unsigned long val;
int retval;
if (kstrtoul(buf, 10, &val))
return -EINVAL;
- retval = i2c_smbus_write_byte_data(client, sda->index,
+ retval = i2c_smbus_write_byte_data(data->client, sda->index,
DIV_ROUND_CLOSEST(val, 1000));
if (retval < 0)
return retval;
static ssize_t store_bit(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct thermal_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
+ struct thermal_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long val;
int retval;
static ssize_t show_hyst(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct thermal_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+ struct thermal_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
int retval;
int hyst;
static ssize_t store_hyst(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct thermal_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
+ struct thermal_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
int retval;
int hyst;
unsigned long val;
static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO | S_IWUSR,
show_hyst, store_hyst, 0x1A);
+static SENSOR_DEVICE_ATTR(temp4_min, S_IRUGO | S_IWUSR,
+ show_temp, store_temp, 0x2D);
+static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO | S_IWUSR,
+ show_temp, store_temp, 0x2C);
+static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
+ show_temp, store_temp, 0x30);
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 0x2A);
+static SENSOR_DEVICE_ATTR_2(temp4_min_alarm, S_IRUGO,
+ show_bit, NULL, 0x36, 0x08);
+static SENSOR_DEVICE_ATTR_2(temp4_max_alarm, S_IRUGO,
+ show_bit, NULL, 0x35, 0x08);
+static SENSOR_DEVICE_ATTR_2(temp4_crit_alarm, S_IRUGO,
+ show_bit, NULL, 0x37, 0x08);
+static SENSOR_DEVICE_ATTR(temp4_crit_hyst, S_IRUGO | S_IWUSR,
+ show_hyst, store_hyst, 0x30);
+
static SENSOR_DEVICE_ATTR_2(power_state, S_IRUGO | S_IWUSR,
show_bit, store_bit, 0x03, 0x40);
-static struct attribute *mid_att_thermal[] = {
+static struct attribute *emc1403_attrs[] = {
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
NULL
};
-static const struct attribute_group m_thermal_gr = {
- .attrs = mid_att_thermal
+static const struct attribute_group emc1403_group = {
+ .attrs = emc1403_attrs,
+};
+
+static struct attribute *emc1404_attrs[] = {
+ &sensor_dev_attr_temp4_min.dev_attr.attr,
+ &sensor_dev_attr_temp4_max.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit.dev_attr.attr,
+ &sensor_dev_attr_temp4_input.dev_attr.attr,
+ &sensor_dev_attr_temp4_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit_hyst.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group emc1404_group = {
+ .attrs = emc1404_attrs,
};
static int emc1403_detect(struct i2c_client *client,
case 0x23:
strlcpy(info->type, "emc1423", I2C_NAME_SIZE);
break;
- /*
- * Note: 0x25 is the 1404 which is very similar and this
- * driver could be extended
- */
+ case 0x25:
+ strlcpy(info->type, "emc1404", I2C_NAME_SIZE);
+ break;
+ case 0x27:
+ strlcpy(info->type, "emc1424", I2C_NAME_SIZE);
+ break;
default:
return -ENODEV;
}
static int emc1403_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- int res;
struct thermal_data *data;
+ struct device *hwmon_dev;
data = devm_kzalloc(&client->dev, sizeof(struct thermal_data),
GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->mutex);
data->hyst_valid = jiffies - 1; /* Expired */
- res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr);
- if (res) {
- dev_warn(&client->dev, "create group failed\n");
- return res;
- }
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- res = PTR_ERR(data->hwmon_dev);
- dev_warn(&client->dev, "register hwmon dev failed\n");
- goto thermal_error;
- }
- dev_info(&client->dev, "EMC1403 Thermal chip found\n");
- return 0;
-
-thermal_error:
- sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
- return res;
-}
+ data->groups[0] = &emc1403_group;
+ if (id->driver_data)
+ data->groups[1] = &emc1404_group;
-static int emc1403_remove(struct i2c_client *client)
-{
- struct thermal_data *data = i2c_get_clientdata(client);
+ hwmon_dev = hwmon_device_register_with_groups(&client->dev,
+ client->name, data,
+ data->groups);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
+ dev_info(&client->dev, "%s Thermal chip found\n", id->name);
return 0;
}
static const struct i2c_device_id emc1403_idtable[] = {
{ "emc1403", 0 },
+ { "emc1404", 1 },
{ "emc1423", 0 },
+ { "emc1424", 1 },
{ }
};
MODULE_DEVICE_TABLE(i2c, emc1403_idtable);
},
.detect = emc1403_detect,
.probe = emc1403_probe,
- .remove = emc1403_remove,
.id_table = emc1403_idtable,
.address_list = emc1403_address_list,
};
exit_unregister_sysfs:
f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
return err; /* f71882fg_remove() also frees our data */
- return err;
}
static int f71882fg_remove(struct platform_device *pdev)
case 3: /* Manual, speed mode */
return false;
default:
- BUG();
+ WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable);
return true;
}
}
case 4: /* Auto, duty mode */
return true;
default:
- BUG();
+ WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable);
return false;
}
}
#include <linux/hwmon.h>
#include <linux/gpio.h>
#include <linux/gpio-fan.h>
+#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
dev_warn(&fan_data->pdev->dev,
"missing speed array entry for GPIO value 0x%x\n", ctrl_val);
- return -EINVAL;
+ return -ENODEV;
}
static int rpm_to_speed_index(struct gpio_fan_data *fan_data, int rpm)
return ret;
}
-static ssize_t show_name(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "gpio-fan\n");
-}
-
static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm);
static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable);
static DEVICE_ATTR(fan1_input, S_IRUGO, show_rpm, NULL);
static DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, show_rpm, set_rpm);
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-
static umode_t gpio_fan_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct gpio_fan_data *data = dev_get_drvdata(dev);
- if (index == 1 && !data->alarm)
+ if (index == 0 && !data->alarm)
return 0;
- if (index > 1 && !data->ctrl)
+ if (index > 0 && !data->ctrl)
return 0;
return attr->mode;
}
static struct attribute *gpio_fan_attributes[] = {
- &dev_attr_name.attr,
- &dev_attr_fan1_alarm.attr, /* 1 */
- &dev_attr_pwm1.attr, /* 2 */
+ &dev_attr_fan1_alarm.attr, /* 0 */
+ &dev_attr_pwm1.attr, /* 1 */
&dev_attr_pwm1_enable.attr,
&dev_attr_pwm1_mode.attr,
&dev_attr_fan1_input.attr,
.is_visible = gpio_fan_is_visible,
};
+static const struct attribute_group *gpio_fan_groups[] = {
+ &gpio_fan_group,
+ NULL
+};
+
static int fan_ctrl_init(struct gpio_fan_data *fan_data,
struct gpio_fan_platform_data *pdata)
{
fan_data->pwm_enable = true; /* Enable manual fan speed control. */
fan_data->speed_index = get_fan_speed_index(fan_data);
if (fan_data->speed_index < 0)
- return -ENODEV;
+ return fan_data->speed_index;
return 0;
}
return err;
}
- err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_group);
- if (err)
- return err;
-
/* Make this driver part of hwmon class. */
- fan_data->hwmon_dev = hwmon_device_register(&pdev->dev);
- if (IS_ERR(fan_data->hwmon_dev)) {
- err = PTR_ERR(fan_data->hwmon_dev);
- goto err_remove;
- }
+ fan_data->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
+ "gpio-fan", fan_data,
+ gpio_fan_groups);
+ if (IS_ERR(fan_data->hwmon_dev))
+ return PTR_ERR(fan_data->hwmon_dev);
dev_info(&pdev->dev, "GPIO fan initialized\n");
return 0;
-
-err_remove:
- sysfs_remove_group(&pdev->dev.kobj, &gpio_fan_group);
- return err;
}
static int gpio_fan_remove(struct platform_device *pdev)
struct gpio_fan_data *fan_data = platform_get_drvdata(pdev);
hwmon_device_unregister(fan_data->hwmon_dev);
- sysfs_remove_group(&pdev->dev.kobj, &gpio_fan_group);
return 0;
}
#include <linux/module.h>
#include <linux/device.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/kdev_t.h>
#include <linux/idr.h>
#include <linux/hwmon.h>
#define HWMON_ID_PREFIX "hwmon"
#define HWMON_ID_FORMAT HWMON_ID_PREFIX "%d"
-static struct class *hwmon_class;
+struct hwmon_device {
+ const char *name;
+ struct device dev;
+};
+#define to_hwmon_device(d) container_of(d, struct hwmon_device, dev)
+
+static ssize_t
+show_name(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%s\n", to_hwmon_device(dev)->name);
+}
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+static struct attribute *hwmon_dev_attrs[] = {
+ &dev_attr_name.attr,
+ NULL
+};
+
+static umode_t hwmon_dev_name_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+
+ if (to_hwmon_device(dev)->name == NULL)
+ return 0;
+
+ return attr->mode;
+}
+
+static struct attribute_group hwmon_dev_attr_group = {
+ .attrs = hwmon_dev_attrs,
+ .is_visible = hwmon_dev_name_is_visible,
+};
+
+static const struct attribute_group *hwmon_dev_attr_groups[] = {
+ &hwmon_dev_attr_group,
+ NULL
+};
+
+static void hwmon_dev_release(struct device *dev)
+{
+ kfree(to_hwmon_device(dev));
+}
+
+static struct class hwmon_class = {
+ .name = "hwmon",
+ .owner = THIS_MODULE,
+ .dev_groups = hwmon_dev_attr_groups,
+ .dev_release = hwmon_dev_release,
+};
static DEFINE_IDA(hwmon_ida);
/**
- * hwmon_device_register - register w/ hwmon
- * @dev: the device to register
+ * hwmon_device_register_with_groups - register w/ hwmon
+ * @dev: the parent device
+ * @name: hwmon name attribute
+ * @drvdata: driver data to attach to created device
+ * @groups: List of attribute groups to create
*
* hwmon_device_unregister() must be called when the device is no
* longer needed.
*
* Returns the pointer to the new device.
*/
-struct device *hwmon_device_register(struct device *dev)
+struct device *
+hwmon_device_register_with_groups(struct device *dev, const char *name,
+ void *drvdata,
+ const struct attribute_group **groups)
{
- struct device *hwdev;
- int id;
+ struct hwmon_device *hwdev;
+ int err, id;
id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL);
if (id < 0)
return ERR_PTR(id);
- hwdev = device_create(hwmon_class, dev, MKDEV(0, 0), NULL,
- HWMON_ID_FORMAT, id);
+ hwdev = kzalloc(sizeof(*hwdev), GFP_KERNEL);
+ if (hwdev == NULL) {
+ err = -ENOMEM;
+ goto ida_remove;
+ }
- if (IS_ERR(hwdev))
- ida_simple_remove(&hwmon_ida, id);
+ hwdev->name = name;
+ hwdev->dev.class = &hwmon_class;
+ hwdev->dev.parent = dev;
+ hwdev->dev.groups = groups;
+ hwdev->dev.of_node = dev ? dev->of_node : NULL;
+ dev_set_drvdata(&hwdev->dev, drvdata);
+ dev_set_name(&hwdev->dev, HWMON_ID_FORMAT, id);
+ err = device_register(&hwdev->dev);
+ if (err)
+ goto free;
- return hwdev;
+ return &hwdev->dev;
+
+free:
+ kfree(hwdev);
+ida_remove:
+ ida_simple_remove(&hwmon_ida, id);
+ return ERR_PTR(err);
+}
+EXPORT_SYMBOL_GPL(hwmon_device_register_with_groups);
+
+/**
+ * hwmon_device_register - register w/ hwmon
+ * @dev: the device to register
+ *
+ * hwmon_device_unregister() must be called when the device is no
+ * longer needed.
+ *
+ * Returns the pointer to the new device.
+ */
+struct device *hwmon_device_register(struct device *dev)
+{
+ return hwmon_device_register_with_groups(dev, NULL, NULL, NULL);
}
EXPORT_SYMBOL_GPL(hwmon_device_register);
}
EXPORT_SYMBOL_GPL(hwmon_device_unregister);
+static void devm_hwmon_release(struct device *dev, void *res)
+{
+ struct device *hwdev = *(struct device **)res;
+
+ hwmon_device_unregister(hwdev);
+}
+
+/**
+ * devm_hwmon_device_register_with_groups - register w/ hwmon
+ * @dev: the parent device
+ * @name: hwmon name attribute
+ * @drvdata: driver data to attach to created device
+ * @groups: List of attribute groups to create
+ *
+ * Returns the pointer to the new device. The new device is automatically
+ * unregistered with the parent device.
+ */
+struct device *
+devm_hwmon_device_register_with_groups(struct device *dev, const char *name,
+ void *drvdata,
+ const struct attribute_group **groups)
+{
+ struct device **ptr, *hwdev;
+
+ if (!dev)
+ return ERR_PTR(-EINVAL);
+
+ ptr = devres_alloc(devm_hwmon_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ hwdev = hwmon_device_register_with_groups(dev, name, drvdata, groups);
+ if (IS_ERR(hwdev))
+ goto error;
+
+ *ptr = hwdev;
+ devres_add(dev, ptr);
+ return hwdev;
+
+error:
+ devres_free(ptr);
+ return hwdev;
+}
+EXPORT_SYMBOL_GPL(devm_hwmon_device_register_with_groups);
+
+static int devm_hwmon_match(struct device *dev, void *res, void *data)
+{
+ struct device **hwdev = res;
+
+ return *hwdev == data;
+}
+
+/**
+ * devm_hwmon_device_unregister - removes a previously registered hwmon device
+ *
+ * @dev: the parent device of the device to unregister
+ */
+void devm_hwmon_device_unregister(struct device *dev)
+{
+ WARN_ON(devres_release(dev, devm_hwmon_release, devm_hwmon_match, dev));
+}
+EXPORT_SYMBOL_GPL(devm_hwmon_device_unregister);
+
static void __init hwmon_pci_quirks(void)
{
#if defined CONFIG_X86 && defined CONFIG_PCI
static int __init hwmon_init(void)
{
+ int err;
+
hwmon_pci_quirks();
- hwmon_class = class_create(THIS_MODULE, "hwmon");
- if (IS_ERR(hwmon_class)) {
- pr_err("couldn't create sysfs class\n");
- return PTR_ERR(hwmon_class);
+ err = class_register(&hwmon_class);
+ if (err) {
+ pr_err("couldn't register hwmon sysfs class\n");
+ return err;
}
return 0;
}
static void __exit hwmon_exit(void)
{
- class_destroy(hwmon_class);
+ class_unregister(&hwmon_class);
}
subsys_initcall(hwmon_init);
#define INA209_SHUNT_DEFAULT 10000 /* uOhm */
struct ina209_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
bool valid;
static struct ina209_data *ina209_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ina209_data *data = i2c_get_clientdata(client);
+ struct ina209_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct ina209_data *ret = data;
s32 val;
int i;
struct device_attribute *da,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
struct ina209_data *data = ina209_update_device(dev);
long val;
u16 regval;
mutex_lock(&data->update_lock);
regval = ina209_reg_from_interval(data->regs[INA209_CONFIGURATION],
val);
- i2c_smbus_write_word_swapped(client, INA209_CONFIGURATION, regval);
+ i2c_smbus_write_word_swapped(data->client, INA209_CONFIGURATION,
+ regval);
data->regs[INA209_CONFIGURATION] = regval;
data->update_interval = ina209_interval_from_reg(regval);
mutex_unlock(&data->update_lock);
static ssize_t ina209_show_interval(struct device *dev,
struct device_attribute *da, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ina209_data *data = i2c_get_clientdata(client);
+ struct ina209_data *data = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d\n", data->update_interval);
}
const char *buf,
size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ina209_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct ina209_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u32 mask = attr->index;
long val;
int i, ret;
const char *buf,
size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
struct ina209_data *data = ina209_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int reg = attr->index;
count = ret;
goto abort;
}
- i2c_smbus_write_word_swapped(client, reg, ret);
+ i2c_smbus_write_word_swapped(data->client, reg, ret);
data->regs[reg] = ret;
abort:
mutex_unlock(&data->update_lock);
* Finally, construct an array of pointers to members of the above objects,
* as required for sysfs_create_group()
*/
-static struct attribute *ina209_attributes[] = {
+static struct attribute *ina209_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_input_highest.dev_attr.attr,
&sensor_dev_attr_in0_input_lowest.dev_attr.attr,
NULL,
};
-
-static const struct attribute_group ina209_group = {
- .attrs = ina209_attributes,
-};
+ATTRIBUTE_GROUPS(ina209);
static void ina209_restore_conf(struct i2c_client *client,
struct ina209_data *data)
{
struct i2c_adapter *adapter = client->adapter;
struct ina209_data *data;
+ struct device *hwmon_dev;
int ret;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -ENOMEM;
i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
ret = ina209_init_client(client, data);
if (ret)
return ret;
- /* Register sysfs hooks */
- ret = sysfs_create_group(&client->dev.kobj, &ina209_group);
- if (ret)
+ hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+ client->name,
+ data, ina209_groups);
+ if (IS_ERR(hwmon_dev)) {
+ ret = PTR_ERR(hwmon_dev);
goto out_restore_conf;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- ret = PTR_ERR(data->hwmon_dev);
- goto out_hwmon_device_register;
}
return 0;
-out_hwmon_device_register:
- sysfs_remove_group(&client->dev.kobj, &ina209_group);
out_restore_conf:
ina209_restore_conf(client, data);
return ret;
{
struct ina209_data *data = i2c_get_clientdata(client);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &ina209_group);
ina209_restore_conf(client, data);
return 0;
};
struct ina2xx_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
const struct ina2xx_config *config;
struct mutex update_lock;
static struct ina2xx_data *ina2xx_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ina2xx_data *data = i2c_get_clientdata(client);
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct ina2xx_data *ret = data;
mutex_lock(&data->update_lock);
INA2XX_POWER);
/* pointers to created device attributes */
-static struct attribute *ina2xx_attributes[] = {
+static struct attribute *ina2xx_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_curr1_input.dev_attr.attr,
&sensor_dev_attr_power1_input.dev_attr.attr,
NULL,
};
-
-static const struct attribute_group ina2xx_group = {
- .attrs = ina2xx_attributes,
-};
+ATTRIBUTE_GROUPS(ina2xx);
static int ina2xx_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = client->adapter;
- struct ina2xx_data *data;
struct ina2xx_platform_data *pdata;
- int ret;
- u32 val;
+ struct device *dev = &client->dev;
+ struct ina2xx_data *data;
+ struct device *hwmon_dev;
long shunt = 10000; /* default shunt value 10mOhms */
+ u32 val;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -ENODEV;
- data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- if (dev_get_platdata(&client->dev)) {
- pdata = dev_get_platdata(&client->dev);
+ if (dev_get_platdata(dev)) {
+ pdata = dev_get_platdata(dev);
shunt = pdata->shunt_uohms;
- } else if (!of_property_read_u32(client->dev.of_node,
- "shunt-resistor", &val)) {
- shunt = val;
+ } else if (!of_property_read_u32(dev->of_node,
+ "shunt-resistor", &val)) {
+ shunt = val;
}
if (shunt <= 0)
i2c_smbus_write_word_swapped(client, INA2XX_CALIBRATION,
data->config->calibration_factor / shunt);
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
- ret = sysfs_create_group(&client->dev.kobj, &ina2xx_group);
- if (ret)
- return ret;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- ret = PTR_ERR(data->hwmon_dev);
- goto out_err_hwmon;
- }
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data, ina2xx_groups);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
- dev_info(&client->dev, "power monitor %s (Rshunt = %li uOhm)\n",
+ dev_info(dev, "power monitor %s (Rshunt = %li uOhm)\n",
id->name, shunt);
return 0;
-
-out_err_hwmon:
- sysfs_remove_group(&client->dev.kobj, &ina2xx_group);
- return ret;
-}
-
-static int ina2xx_remove(struct i2c_client *client)
-{
- struct ina2xx_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &ina2xx_group);
-
- return 0;
}
static const struct i2c_device_id ina2xx_id[] = {
.name = "ina2xx",
},
.probe = ina2xx_probe,
- .remove = ina2xx_remove,
.id_table = ina2xx_id,
};
/* Each client has this additional data */
struct jc42_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock; /* protect register access */
bool extended; /* true if extended range supported */
bool valid;
static int jc42_suspend(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct jc42_data *data = i2c_get_clientdata(client);
+ struct jc42_data *data = dev_get_drvdata(dev);
data->config |= JC42_CFG_SHUTDOWN;
- i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config);
+ i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
+ data->config);
return 0;
}
static int jc42_resume(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct jc42_data *data = i2c_get_clientdata(client);
+ struct jc42_data *data = dev_get_drvdata(dev);
data->config &= ~JC42_CFG_SHUTDOWN;
- i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config);
+ i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
+ data->config);
return 0;
}
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
- struct i2c_client *client = to_i2c_client(dev); \
- struct jc42_data *data = i2c_get_clientdata(client); \
+ struct jc42_data *data = dev_get_drvdata(dev); \
int err, ret = count; \
long val; \
- if (kstrtol(buf, 10, &val) < 0) \
+ if (kstrtol(buf, 10, &val) < 0) \
return -EINVAL; \
mutex_lock(&data->update_lock); \
data->value = jc42_temp_to_reg(val, data->extended); \
- err = i2c_smbus_write_word_swapped(client, reg, data->value); \
+ err = i2c_smbus_write_word_swapped(data->client, reg, data->value); \
if (err < 0) \
ret = err; \
mutex_unlock(&data->update_lock); \
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct jc42_data *data = i2c_get_clientdata(client);
+ struct jc42_data *data = dev_get_drvdata(dev);
unsigned long val;
int diff, hyst;
int err;
mutex_lock(&data->update_lock);
data->config = (data->config & ~JC42_CFG_HYST_MASK)
| (hyst << JC42_CFG_HYST_SHIFT);
- err = i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG,
+ err = i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
data->config);
if (err < 0)
ret = err;
struct attribute *attr, int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct i2c_client *client = to_i2c_client(dev);
- struct jc42_data *data = i2c_get_clientdata(client);
+ struct jc42_data *data = dev_get_drvdata(dev);
unsigned int config = data->config;
bool readonly;
.attrs = jc42_attributes,
.is_visible = jc42_attribute_mode,
};
+__ATTRIBUTE_GROUPS(jc42);
/* Return 0 if detection is successful, -ENODEV otherwise */
static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info)
static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
- struct jc42_data *data;
- int config, cap, err;
struct device *dev = &client->dev;
+ struct device *hwmon_dev;
+ struct jc42_data *data;
+ int config, cap;
data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
+ data->client = client;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
}
data->config = config;
- /* Register sysfs hooks */
- err = sysfs_create_group(&dev->kobj, &jc42_group);
- if (err)
- return err;
-
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
-
- return 0;
-
-exit_remove:
- sysfs_remove_group(&dev->kobj, &jc42_group);
- return err;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ jc42_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
static int jc42_remove(struct i2c_client *client)
{
struct jc42_data *data = i2c_get_clientdata(client);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &jc42_group);
/* Restore original configuration except hysteresis */
if ((data->config & ~JC42_CFG_HYST_MASK) !=
static struct jc42_data *jc42_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct jc42_data *data = i2c_get_clientdata(client);
+ struct jc42_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct jc42_data *ret = data;
int val;
out_dev_create_file_failed:
device_remove_file(&spi->dev, &dev_attr_temp1_input);
out_dev_create_temp_file_failed:
- spi_set_drvdata(spi, NULL);
return status;
}
hwmon_device_unregister(p_lm70->hwmon_dev);
device_remove_file(&spi->dev, &dev_attr_temp1_input);
device_remove_file(&spi->dev, &dev_attr_name);
- spi_set_drvdata(spi, NULL);
return 0;
}
};
struct lm73_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex lock;
u8 ctrl; /* control register value */
};
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
- struct i2c_client *client = to_i2c_client(dev);
+ struct lm73_data *data = dev_get_drvdata(dev);
long temp;
short value;
s32 err;
/* Write value */
value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5;
- err = i2c_smbus_write_word_swapped(client, attr->index, value);
+ err = i2c_smbus_write_word_swapped(data->client, attr->index, value);
return (err < 0) ? err : count;
}
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
- struct i2c_client *client = to_i2c_client(dev);
+ struct lm73_data *data = dev_get_drvdata(dev);
int temp;
- s32 err = i2c_smbus_read_word_swapped(client, attr->index);
+ s32 err = i2c_smbus_read_word_swapped(data->client, attr->index);
if (err < 0)
return err;
static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm73_data *data = i2c_get_clientdata(client);
+ struct lm73_data *data = dev_get_drvdata(dev);
unsigned long convrate;
s32 err;
int res = 0;
mutex_lock(&data->lock);
data->ctrl &= LM73_CTRL_TO_MASK;
data->ctrl |= res << LM73_CTRL_RES_SHIFT;
- err = i2c_smbus_write_byte_data(client, LM73_REG_CTRL, data->ctrl);
+ err = i2c_smbus_write_byte_data(data->client, LM73_REG_CTRL,
+ data->ctrl);
mutex_unlock(&data->lock);
if (err < 0)
static ssize_t show_convrate(struct device *dev, struct device_attribute *da,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm73_data *data = i2c_get_clientdata(client);
+ struct lm73_data *data = dev_get_drvdata(dev);
int res;
res = (data->ctrl & LM73_CTRL_RES_MASK) >> LM73_CTRL_RES_SHIFT;
static ssize_t show_maxmin_alarm(struct device *dev,
struct device_attribute *da, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
- struct lm73_data *data = i2c_get_clientdata(client);
+ struct lm73_data *data = dev_get_drvdata(dev);
s32 ctrl;
mutex_lock(&data->lock);
- ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL);
+ ctrl = i2c_smbus_read_byte_data(data->client, LM73_REG_CTRL);
if (ctrl < 0)
goto abort;
data->ctrl = ctrl;
static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO,
show_maxmin_alarm, NULL, LM73_CTRL_LO_SHIFT);
-static struct attribute *lm73_attributes[] = {
+static struct attribute *lm73_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
NULL
};
-
-static const struct attribute_group lm73_group = {
- .attrs = lm73_attributes,
-};
+ATTRIBUTE_GROUPS(lm73);
/*-----------------------------------------------------------------------*/
static int
lm73_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
- int status;
+ struct device *dev = &client->dev;
+ struct device *hwmon_dev;
struct lm73_data *data;
int ctrl;
- data = devm_kzalloc(&client->dev, sizeof(struct lm73_data),
- GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(struct lm73_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->lock);
ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL);
return ctrl;
data->ctrl = ctrl;
- /* Register sysfs hooks */
- status = sysfs_create_group(&client->dev.kobj, &lm73_group);
- if (status)
- return status;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- status = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data, lm73_groups);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
- dev_info(&client->dev, "%s: sensor '%s'\n",
- dev_name(data->hwmon_dev), client->name);
-
- return 0;
-
-exit_remove:
- sysfs_remove_group(&client->dev.kobj, &lm73_group);
- return status;
-}
-
-static int lm73_remove(struct i2c_client *client)
-{
- struct lm73_data *data = i2c_get_clientdata(client);
+ dev_info(dev, "sensor '%s'\n", client->name);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &lm73_group);
return 0;
}
.name = "lm73",
},
.probe = lm73_probe,
- .remove = lm73_remove,
.id_table = lm73_ids,
.detect = lm73_detect,
.address_list = normal_i2c,
/* Client data (each client gets its own) */
struct lm95234_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
unsigned long last_updated, interval; /* in jiffies */
bool valid; /* false until following fields are valid */
/* Fill value cache. Must be called with update lock held. */
-static int lm95234_fill_cache(struct i2c_client *client)
+static int lm95234_fill_cache(struct lm95234_data *data,
+ struct i2c_client *client)
{
- struct lm95234_data *data = i2c_get_clientdata(client);
int i, ret;
ret = i2c_smbus_read_byte_data(client, LM95234_REG_CONVRATE);
return 0;
}
-static int lm95234_update_device(struct i2c_client *client,
- struct lm95234_data *data)
+static int lm95234_update_device(struct lm95234_data *data)
{
+ struct i2c_client *client = data->client;
int ret;
mutex_lock(&data->update_lock);
int i;
if (!data->valid) {
- ret = lm95234_fill_cache(client);
+ ret = lm95234_fill_cache(data, client);
if (ret < 0)
goto abort;
}
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t show_alarm(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
u32 mask = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t show_type(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
u8 mask = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t set_type(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
unsigned long val;
u8 mask = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
else
data->sensor_type &= ~mask;
data->valid = false;
- i2c_smbus_write_byte_data(client, LM95234_REG_REM_MODEL,
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_REM_MODEL,
data->sensor_type);
mutex_unlock(&data->update_lock);
static ssize_t show_tcrit2(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
long val;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
mutex_lock(&data->update_lock);
data->tcrit2[index] = val;
- i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT2(index), val);
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT2(index), val);
mutex_unlock(&data->update_lock);
return count;
static ssize_t show_tcrit2_hyst(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t show_tcrit1(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%u", data->tcrit1[index] * 1000);
static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
+ int ret = lm95234_update_device(data);
long val;
- int ret = lm95234_update_device(client, data);
if (ret)
return ret;
mutex_lock(&data->update_lock);
data->tcrit1[index] = val;
- i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT1(index), val);
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT1(index), val);
mutex_unlock(&data->update_lock);
return count;
static ssize_t show_tcrit1_hyst(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
+ int ret = lm95234_update_device(data);
long val;
- int ret = lm95234_update_device(client, data);
if (ret)
return ret;
mutex_lock(&data->update_lock);
data->thyst = val;
- i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT_HYST, val);
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT_HYST, val);
mutex_unlock(&data->update_lock);
return count;
static ssize_t show_offset(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
- int ret = lm95234_update_device(client, data);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t set_offset(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
+ int ret = lm95234_update_device(data);
long val;
- int ret = lm95234_update_device(client, data);
if (ret)
return ret;
mutex_lock(&data->update_lock);
data->toffset[index] = val;
- i2c_smbus_write_byte_data(client, LM95234_REG_OFFSET(index), val);
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_OFFSET(index), val);
mutex_unlock(&data->update_lock);
return count;
static ssize_t show_interval(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
- int ret = lm95234_update_device(client, data);
+ struct lm95234_data *data = dev_get_drvdata(dev);
+ int ret = lm95234_update_device(data);
if (ret)
return ret;
static ssize_t set_interval(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm95234_data *data = i2c_get_clientdata(client);
+ struct lm95234_data *data = dev_get_drvdata(dev);
+ int ret = lm95234_update_device(data);
unsigned long val;
u8 regval;
- int ret = lm95234_update_device(client, data);
if (ret)
return ret;
mutex_lock(&data->update_lock);
data->interval = msecs_to_jiffies(update_intervals[regval]);
- i2c_smbus_write_byte_data(client, LM95234_REG_CONVRATE, regval);
+ i2c_smbus_write_byte_data(data->client, LM95234_REG_CONVRATE, regval);
mutex_unlock(&data->update_lock);
return count;
static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval,
set_interval);
-static struct attribute *lm95234_attributes[] = {
+static struct attribute *lm95234_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
&sensor_dev_attr_temp3_input.dev_attr.attr,
&dev_attr_update_interval.attr,
NULL
};
-
-static const struct attribute_group lm95234_group = {
- .attrs = lm95234_attributes,
-};
+ATTRIBUTE_GROUPS(lm95234);
static int lm95234_detect(struct i2c_client *client,
struct i2c_board_info *info)
{
struct device *dev = &client->dev;
struct lm95234_data *data;
+ struct device *hwmon_dev;
int err;
data = devm_kzalloc(dev, sizeof(struct lm95234_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
/* Initialize the LM95234 chip */
if (err < 0)
return err;
- /* Register sysfs hooks */
- err = sysfs_create_group(&dev->kobj, &lm95234_group);
- if (err)
- return err;
-
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove_files;
- }
-
- return 0;
-
-exit_remove_files:
- sysfs_remove_group(&dev->kobj, &lm95234_group);
- return err;
-}
-
-static int lm95234_remove(struct i2c_client *client)
-{
- struct lm95234_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &lm95234_group);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ lm95234_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
/* Driver data (common to all clients) */
.name = DRVNAME,
},
.probe = lm95234_probe,
- .remove = lm95234_remove,
.id_table = lm95234_id,
.detect = lm95234_detect,
.address_list = normal_i2c,
};
struct ltc4245_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
+
+ const struct attribute_group *groups[3];
struct mutex update_lock;
bool valid;
*/
static void ltc4245_update_gpios(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ltc4245_data *data = i2c_get_clientdata(client);
+ struct ltc4245_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u8 gpio_curr, gpio_next, gpio_reg;
int i;
static struct ltc4245_data *ltc4245_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ltc4245_data *data = i2c_get_clientdata(client);
+ struct ltc4245_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
s32 val;
int i;
.attrs = ltc4245_gpio_attributes,
};
-static int ltc4245_sysfs_create_groups(struct i2c_client *client)
+static void ltc4245_sysfs_add_groups(struct ltc4245_data *data)
{
- struct ltc4245_data *data = i2c_get_clientdata(client);
- struct device *dev = &client->dev;
- int ret;
-
- /* register the standard sysfs attributes */
- ret = sysfs_create_group(&dev->kobj, <c4245_std_group);
- if (ret) {
- dev_err(dev, "unable to register standard attributes\n");
- return ret;
- }
+ /* standard sysfs attributes */
+ data->groups[0] = <c4245_std_group;
/* if we're using the extra gpio support, register it's attributes */
- if (data->use_extra_gpios) {
- ret = sysfs_create_group(&dev->kobj, <c4245_gpio_group);
- if (ret) {
- dev_err(dev, "unable to register gpio attributes\n");
- sysfs_remove_group(&dev->kobj, <c4245_std_group);
- return ret;
- }
- }
-
- return 0;
-}
-
-static void ltc4245_sysfs_remove_groups(struct i2c_client *client)
-{
- struct ltc4245_data *data = i2c_get_clientdata(client);
- struct device *dev = &client->dev;
-
if (data->use_extra_gpios)
- sysfs_remove_group(&dev->kobj, <c4245_gpio_group);
-
- sysfs_remove_group(&dev->kobj, <c4245_std_group);
+ data->groups[1] = <c4245_gpio_group;
}
static bool ltc4245_use_extra_gpios(struct i2c_client *client)
{
struct i2c_adapter *adapter = client->adapter;
struct ltc4245_data *data;
- int ret;
+ struct device *hwmon_dev;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
data->use_extra_gpios = ltc4245_use_extra_gpios(client);
i2c_smbus_write_byte_data(client, LTC4245_FAULT1, 0x00);
i2c_smbus_write_byte_data(client, LTC4245_FAULT2, 0x00);
- /* Register sysfs hooks */
- ret = ltc4245_sysfs_create_groups(client);
- if (ret)
- return ret;
+ /* Add sysfs hooks */
+ ltc4245_sysfs_add_groups(data);
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- ret = PTR_ERR(data->hwmon_dev);
- goto out_hwmon_device_register;
- }
+ hwmon_dev = hwmon_device_register_with_groups(&client->dev,
+ client->name, data,
+ data->groups);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
- return 0;
+ i2c_set_clientdata(client, hwmon_dev);
-out_hwmon_device_register:
- ltc4245_sysfs_remove_groups(client);
- return ret;
+ return 0;
}
static int ltc4245_remove(struct i2c_client *client)
{
- struct ltc4245_data *data = i2c_get_clientdata(client);
+ struct device *hwmon_dev = i2c_get_clientdata(client);
- hwmon_device_unregister(data->hwmon_dev);
- ltc4245_sysfs_remove_groups(client);
+ hwmon_device_unregister(hwmon_dev);
return 0;
}
#define FAULT_OC (1<<2)
struct ltc4261_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
bool valid;
static struct ltc4261_data *ltc4261_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ltc4261_data *data = i2c_get_clientdata(client);
+ struct ltc4261_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct ltc4261_data *ret = data;
mutex_lock(&data->update_lock);
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
- struct i2c_client *client = to_i2c_client(dev);
struct ltc4261_data *data = ltc4261_update_device(dev);
u8 fault;
fault = data->regs[LTC4261_FAULT] & attr->index;
if (fault) /* Clear reported faults in chip register */
- i2c_smbus_write_byte_data(client, LTC4261_FAULT, ~fault);
+ i2c_smbus_write_byte_data(data->client, LTC4261_FAULT, ~fault);
return snprintf(buf, PAGE_SIZE, "%d\n", fault ? 1 : 0);
}
static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc4261_show_bool, NULL,
FAULT_OC);
-static struct attribute *ltc4261_attributes[] = {
+static struct attribute *ltc4261_attrs[] = {
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in1_min_alarm.dev_attr.attr,
&sensor_dev_attr_in1_max_alarm.dev_attr.attr,
NULL,
};
-
-static const struct attribute_group ltc4261_group = {
- .attrs = ltc4261_attributes,
-};
+ATTRIBUTE_GROUPS(ltc4261);
static int ltc4261_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = client->adapter;
+ struct device *dev = &client->dev;
struct ltc4261_data *data;
- int ret;
+ struct device *hwmon_dev;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
if (i2c_smbus_read_byte_data(client, LTC4261_STATUS) < 0) {
- dev_err(&client->dev, "Failed to read status register\n");
+ dev_err(dev, "Failed to read status register\n");
return -ENODEV;
}
- data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
/* Clear faults */
i2c_smbus_write_byte_data(client, LTC4261_FAULT, 0x00);
- /* Register sysfs hooks */
- ret = sysfs_create_group(&client->dev.kobj, <c4261_group);
- if (ret)
- return ret;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- ret = PTR_ERR(data->hwmon_dev);
- goto out_hwmon_device_register;
- }
-
- return 0;
-
-out_hwmon_device_register:
- sysfs_remove_group(&client->dev.kobj, <c4261_group);
- return ret;
-}
-
-static int ltc4261_remove(struct i2c_client *client)
-{
- struct ltc4261_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, <c4261_group);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ ltc4261_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
static const struct i2c_device_id ltc4261_id[] = {
.name = "ltc4261",
},
.probe = ltc4261_probe,
- .remove = ltc4261_remove,
.id_table = ltc4261_id,
};
struct max16065_data {
enum chips type;
- struct device *hwmon_dev;
+ struct i2c_client *client;
+ const struct attribute_group *groups[4];
struct mutex update_lock;
bool valid;
unsigned long last_updated; /* in jiffies */
static struct max16065_data *max16065_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct max16065_data *data = i2c_get_clientdata(client);
+ struct max16065_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
val &= (1 << attr2->index);
if (val)
- i2c_smbus_write_byte_data(to_i2c_client(dev),
+ i2c_smbus_write_byte_data(data->client,
MAX16065_FAULT(attr2->nr), val);
return snprintf(buf, PAGE_SIZE, "%d\n", !!val);
const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da);
- struct i2c_client *client = to_i2c_client(dev);
- struct max16065_data *data = i2c_get_clientdata(client);
+ struct max16065_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
int limit;
mutex_lock(&data->update_lock);
data->limit[attr2->nr][attr2->index]
= LIMIT_TO_MV(limit, data->range[attr2->index]);
- i2c_smbus_write_byte_data(client,
+ i2c_smbus_write_byte_data(data->client,
MAX16065_LIMIT(attr2->nr, attr2->index),
limit);
mutex_unlock(&data->update_lock);
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da);
- struct i2c_client *client = to_i2c_client(dev);
- struct max16065_data *data = i2c_get_clientdata(client);
+ struct max16065_data *data = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d\n",
data->limit[attr2->nr][attr2->index]);
NULL
};
+static umode_t max16065_basic_is_visible(struct kobject *kobj,
+ struct attribute *a, int n)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct max16065_data *data = dev_get_drvdata(dev);
+ int index = n / 4;
+
+ if (index >= data->num_adc || !data->range[index])
+ return 0;
+ return a->mode;
+}
+
+static umode_t max16065_secondary_is_visible(struct kobject *kobj,
+ struct attribute *a, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct max16065_data *data = dev_get_drvdata(dev);
+
+ if (index >= data->num_adc)
+ return 0;
+ return a->mode;
+}
+
static const struct attribute_group max16065_basic_group = {
.attrs = max16065_basic_attributes,
+ .is_visible = max16065_basic_is_visible,
};
static const struct attribute_group max16065_current_group = {
static const struct attribute_group max16065_min_group = {
.attrs = max16065_min_attributes,
+ .is_visible = max16065_secondary_is_visible,
};
static const struct attribute_group max16065_max_group = {
.attrs = max16065_max_attributes,
+ .is_visible = max16065_secondary_is_visible,
};
-static void max16065_cleanup(struct i2c_client *client)
-{
- sysfs_remove_group(&client->dev.kobj, &max16065_max_group);
- sysfs_remove_group(&client->dev.kobj, &max16065_min_group);
- sysfs_remove_group(&client->dev.kobj, &max16065_current_group);
- sysfs_remove_group(&client->dev.kobj, &max16065_basic_group);
-}
-
static int max16065_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = client->adapter;
struct max16065_data *data;
- int i, j, val, ret;
+ struct device *dev = &client->dev;
+ struct device *hwmon_dev;
+ int i, j, val;
bool have_secondary; /* true if chip has secondary limits */
bool secondary_is_max = false; /* secondary limits reflect max */
+ int groups = 0;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
| I2C_FUNC_SMBUS_READ_WORD_DATA))
return -ENODEV;
- data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (unlikely(!data))
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
data->num_adc = max16065_num_adc[id->driver_data];
}
}
- /* Register sysfs hooks */
- for (i = 0; i < data->num_adc * 4; i++) {
- /* Do not create sysfs entry if channel is disabled */
- if (!data->range[i / 4])
- continue;
-
- ret = sysfs_create_file(&client->dev.kobj,
- max16065_basic_attributes[i]);
- if (unlikely(ret))
- goto out;
- }
-
- if (have_secondary) {
- struct attribute **attr = secondary_is_max ?
- max16065_max_attributes : max16065_min_attributes;
-
- for (i = 0; i < data->num_adc; i++) {
- if (!data->range[i])
- continue;
-
- ret = sysfs_create_file(&client->dev.kobj, attr[i]);
- if (unlikely(ret))
- goto out;
- }
- }
+ /* sysfs hooks */
+ data->groups[groups++] = &max16065_basic_group;
+ if (have_secondary)
+ data->groups[groups++] = secondary_is_max ?
+ &max16065_max_group : &max16065_min_group;
if (data->have_current) {
val = i2c_smbus_read_byte_data(client, MAX16065_CURR_CONTROL);
- if (unlikely(val < 0)) {
- ret = val;
- goto out;
- }
+ if (unlikely(val < 0))
+ return val;
if (val & MAX16065_CURR_ENABLE) {
/*
* Current gain is 6, 12, 24, 48 based on values in
data->curr_gain = 6 << ((val >> 2) & 0x03);
data->range[MAX16065_NUM_ADC]
= max16065_csp_adc_range[(val >> 1) & 0x01];
- ret = sysfs_create_group(&client->dev.kobj,
- &max16065_current_group);
- if (unlikely(ret))
- goto out;
+ data->groups[groups++] = &max16065_current_group;
} else {
data->have_current = false;
}
}
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (unlikely(IS_ERR(data->hwmon_dev))) {
- ret = PTR_ERR(data->hwmon_dev);
- goto out;
- }
- return 0;
-
-out:
- max16065_cleanup(client);
- return ret;
-}
-
-static int max16065_remove(struct i2c_client *client)
-{
- struct max16065_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- max16065_cleanup(client);
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data, data->groups);
+ if (unlikely(IS_ERR(hwmon_dev)))
+ return PTR_ERR(hwmon_dev);
return 0;
}
.name = "max16065",
},
.probe = max16065_probe,
- .remove = max16065_remove,
.id_table = max16065_id,
};
*/
struct max6642_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
bool valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
* Real code
*/
-static void max6642_init_client(struct i2c_client *client)
+static void max6642_init_client(struct max6642_data *data,
+ struct i2c_client *client)
{
u8 config;
- struct max6642_data *data = i2c_get_clientdata(client);
/*
* Start the conversions.
static struct max6642_data *max6642_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct max6642_data *data = i2c_get_clientdata(client);
+ struct max6642_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u16 val, tmp;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
- dev_dbg(&client->dev, "Updating max6642 data.\n");
+ dev_dbg(dev, "Updating max6642 data.\n");
val = i2c_smbus_read_byte_data(client,
MAX6642_REG_R_LOCAL_TEMPL);
tmp = (val >> 6) & 3;
static ssize_t show_temp_max10(struct device *dev,
struct device_attribute *dev_attr, char *buf)
{
- struct max6642_data *data = max6642_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
+ struct max6642_data *data = max6642_update_device(dev);
return sprintf(buf, "%d\n",
temp_from_reg10(data->temp_input[attr->index]));
static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct max6642_data *data = max6642_update_device(dev);
struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
+ struct max6642_data *data = max6642_update_device(dev);
return sprintf(buf, "%d\n", temp_from_reg(data->temp_high[attr2->nr]));
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
+ struct max6642_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
- struct i2c_client *client = to_i2c_client(dev);
- struct max6642_data *data = i2c_get_clientdata(client);
- struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
err = kstrtoul(buf, 10, &val);
if (err < 0)
mutex_lock(&data->update_lock);
data->temp_high[attr2->nr] = clamp_val(temp_to_reg(val), 0, 255);
- i2c_smbus_write_byte_data(client, attr2->index,
+ i2c_smbus_write_byte_data(data->client, attr2->index,
data->temp_high[attr2->nr]);
mutex_unlock(&data->update_lock);
return count;
static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
-static struct attribute *max6642_attributes[] = {
+static struct attribute *max6642_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
NULL
};
+ATTRIBUTE_GROUPS(max6642);
-static const struct attribute_group max6642_group = {
- .attrs = max6642_attributes,
-};
-
-static int max6642_probe(struct i2c_client *new_client,
+static int max6642_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ struct device *dev = &client->dev;
struct max6642_data *data;
- int err;
+ struct device *hwmon_dev;
- data = devm_kzalloc(&new_client->dev, sizeof(struct max6642_data),
- GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(struct max6642_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(new_client, data);
+ data->client = client;
mutex_init(&data->update_lock);
/* Initialize the MAX6642 chip */
- max6642_init_client(new_client);
+ max6642_init_client(data, client);
- /* Register sysfs hooks */
- err = sysfs_create_group(&new_client->dev.kobj, &max6642_group);
- if (err)
- return err;
-
- data->hwmon_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove_files;
- }
-
- return 0;
-
-exit_remove_files:
- sysfs_remove_group(&new_client->dev.kobj, &max6642_group);
- return err;
-}
-
-static int max6642_remove(struct i2c_client *client)
-{
- struct max6642_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &max6642_group);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+ client->name, data,
+ max6642_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
/*
.name = "max6642",
},
.probe = max6642_probe,
- .remove = max6642_remove,
.id_table = max6642_id,
.detect = max6642_detect,
.address_list = normal_i2c,
/*
* If mode is set to "full off", we change it to "open loop" and
* set DAC to 255, which has the same effect. We do this because
- * there's no "full off" mode defined in hwmon specifcations.
+ * there's no "full off" mode defined in hwmon specifications.
*/
if ((config & MAX6650_CFG_MODE_MASK) == MAX6650_CFG_MODE_OFF) {
};
struct max6697_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
enum chips type;
const struct max6697_chip_data *chip;
static struct max6697_data *max6697_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct max6697_data *data = i2c_get_clientdata(client);
+ struct max6697_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct max6697_data *ret = data;
int val;
int i;
{
int nr = to_sensor_dev_attr_2(devattr)->nr;
int index = to_sensor_dev_attr_2(devattr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct max6697_data *data = i2c_get_clientdata(client);
+ struct max6697_data *data = dev_get_drvdata(dev);
long temp;
int ret;
temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset;
temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127);
data->temp[nr][index] = temp;
- ret = i2c_smbus_write_byte_data(client,
+ ret = i2c_smbus_write_byte_data(data->client,
index == 2 ? MAX6697_REG_MAX[nr]
: MAX6697_REG_CRIT[nr],
temp);
int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct i2c_client *client = to_i2c_client(dev);
- struct max6697_data *data = i2c_get_clientdata(client);
+ struct max6697_data *data = dev_get_drvdata(dev);
const struct max6697_chip_data *chip = data->chip;
int channel = index / 6; /* channel number */
int nr = index % 6; /* attribute index within channel */
static const struct attribute_group max6697_group = {
.attrs = max6697_attributes, .is_visible = max6697_is_visible,
};
+__ATTRIBUTE_GROUPS(max6697);
static void max6697_get_config_of(struct device_node *node,
struct max6697_platform_data *pdata)
}
}
-static int max6697_init_chip(struct i2c_client *client)
+static int max6697_init_chip(struct max6697_data *data,
+ struct i2c_client *client)
{
- struct max6697_data *data = i2c_get_clientdata(client);
struct max6697_platform_data *pdata = dev_get_platdata(&client->dev);
struct max6697_platform_data p;
const struct max6697_chip_data *chip = data->chip;
struct i2c_adapter *adapter = client->adapter;
struct device *dev = &client->dev;
struct max6697_data *data;
+ struct device *hwmon_dev;
int err;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
data->type = id->driver_data;
data->chip = &max6697_chip_data[data->type];
-
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
- err = max6697_init_chip(client);
- if (err)
- return err;
-
- err = sysfs_create_group(&client->dev.kobj, &max6697_group);
+ err = max6697_init_chip(data, client);
if (err)
return err;
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto error;
- }
-
- return 0;
-
-error:
- sysfs_remove_group(&client->dev.kobj, &max6697_group);
- return err;
-}
-
-static int max6697_remove(struct i2c_client *client)
-{
- struct max6697_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &max6697_group);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ max6697_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
static const struct i2c_device_id max6697_id[] = {
.name = "max6697",
},
.probe = max6697_probe,
- .remove = max6697_remove,
.id_table = max6697_id,
};
struct mc13783_adc_priv {
struct mc13xxx *mc13xxx;
struct device *hwmon_dev;
- char name[10];
+ char name[PLATFORM_NAME_SIZE];
};
static ssize_t mc13783_adc_show_name(struct device *dev, struct device_attribute
enum kinds kind;
const char *name;
- struct device *hwmon_dev;
- struct attribute_group *group_in;
- struct attribute_group *group_fan;
- struct attribute_group *group_temp;
- struct attribute_group *group_pwm;
+ int num_attr_groups;
+ const struct attribute_group *groups[6];
u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
* 3=temp_crit, 4=temp_lcrit
struct sensor_device_attribute_2 *a2;
struct attribute **attrs;
struct sensor_device_template **t;
- int err, i, j, count;
+ int i, count;
if (repeat <= 0)
return ERR_PTR(-EINVAL);
for (i = 0; i < repeat; i++) {
t = tg->templates;
- for (j = 0; *t != NULL; j++) {
+ while (*t != NULL) {
snprintf(su->name, sizeof(su->name),
(*t)->dev_attr.attr.name, tg->base + i);
if ((*t)->s2) {
}
}
- err = sysfs_create_group(&dev->kobj, group);
- if (err)
- return ERR_PTR(-ENOMEM);
-
return group;
}
= nct6775_read_temp(data,
data->reg_temp[j][i]);
}
- if (!(data->have_temp_fixed & (1 << i)))
+ if (i >= NUM_TEMP_FIXED ||
+ !(data->have_temp_fixed & (1 << i)))
continue;
data->temp_offset[i]
= nct6775_read_value(data, data->REG_TEMP_OFFSET[i]);
if (src == source)
return nr;
}
- return -1;
+ return -ENODEV;
}
static ssize_t
nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
if (nr < 0)
- return -ENODEV;
+ return nr;
bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
regindex = bit >> 3;
return count;
}
-static ssize_t
-show_name(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct nct6775_data *data = dev_get_drvdata(dev);
-
- return sprintf(buf, "%s\n", data->name);
-}
-
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-
static ssize_t
show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
- if (index == 1 && !data->have_vid)
+ if (index == 0 && !data->have_vid)
return 0;
- if (index == 2 || index == 3) {
- if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 2] < 0)
+ if (index == 1 || index == 2) {
+ if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0)
return 0;
}
- if (index == 4 || index == 5) {
- if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0)
+ if (index == 3 || index == 4) {
+ if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0)
return 0;
}
* Any change in order or content must be matched.
*/
static struct attribute *nct6775_attributes_other[] = {
- &dev_attr_name.attr,
- &dev_attr_cpu0_vid.attr, /* 1 */
- &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 2 */
- &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 3 */
- &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 4 */
- &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 5 */
- &sensor_dev_attr_beep_enable.dev_attr.attr, /* 6 */
+ &dev_attr_cpu0_vid.attr, /* 0 */
+ &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 1 */
+ &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 2 */
+ &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 3 */
+ &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 4 */
+ &sensor_dev_attr_beep_enable.dev_attr.attr, /* 5 */
NULL
};
.is_visible = nct6775_other_is_visible,
};
-/*
- * Driver and device management
- */
-
-static void nct6775_device_remove_files(struct device *dev)
-{
- struct nct6775_data *data = dev_get_drvdata(dev);
-
- if (data->group_pwm)
- sysfs_remove_group(&dev->kobj, data->group_pwm);
- if (data->group_in)
- sysfs_remove_group(&dev->kobj, data->group_in);
- if (data->group_fan)
- sysfs_remove_group(&dev->kobj, data->group_fan);
- if (data->group_temp)
- sysfs_remove_group(&dev->kobj, data->group_temp);
-
- sysfs_remove_group(&dev->kobj, &nct6775_group_other);
-}
-
-/* Get the monitoring functions started */
static inline void nct6775_init_device(struct nct6775_data *data)
{
int i;
int num_reg_temp;
u8 cr2a;
struct attribute_group *group;
+ struct device *hwmon_dev;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH,
/* Register sysfs hooks */
group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group,
data->pwm_num);
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_pwm = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[data->num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_in_template_group,
fls(data->have_in));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_in = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[data->num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_fan_template_group,
fls(data->has_fan));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_fan = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[data->num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_temp_template_group,
fls(data->have_temp));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_temp = group;
-
- err = sysfs_create_group(&dev->kobj, &nct6775_group_other);
- if (err)
- goto exit_remove;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
-
- return 0;
-
-exit_remove:
- nct6775_device_remove_files(dev);
- return err;
-}
-
-static int nct6775_remove(struct platform_device *pdev)
-{
- struct nct6775_data *data = platform_get_drvdata(pdev);
+ data->groups[data->num_attr_groups++] = group;
+ data->groups[data->num_attr_groups++] = &nct6775_group_other;
- hwmon_device_unregister(data->hwmon_dev);
- nct6775_device_remove_files(&pdev->dev);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name,
+ data, data->groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
#ifdef CONFIG_PM
.pm = NCT6775_DEV_PM_OPS,
},
.probe = nct6775_probe,
- .remove = nct6775_remove,
};
static const char * const nct6775_sio_names[] __initconst = {
/*
* when Super-I/O functions move to a separate file, the Super-I/O
* bus will manage the lifetime of the device and this module will only keep
- * track of the nct6775 driver. But since we platform_device_alloc(), we
+ * track of the nct6775 driver. But since we use platform_device_alloc(), we
* must keep track of the device
*/
static struct platform_device *pdev[2];
/*
- * Hardware monitoring driver for LM25056 / LM25066 / LM5064 / LM5066
+ * Hardware monitoring driver for LM25056 / LM25063 / LM25066 / LM5064 / LM5066
*
* Copyright (c) 2011 Ericsson AB.
* Copyright (c) 2013 Guenter Roeck
#include <linux/i2c.h>
#include "pmbus.h"
-enum chips { lm25056, lm25066, lm5064, lm5066 };
+enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 };
#define LM25066_READ_VAUX 0xd0
#define LM25066_MFR_READ_IIN 0xd1
#define LM25056_MFR_STS_VAUX_OV_WARN (1 << 1)
#define LM25056_MFR_STS_VAUX_UV_WARN (1 << 0)
+/* LM25063 only */
+
+#define LM25063_READ_VOUT_MAX 0xe5
+#define LM25063_READ_VOUT_MIN 0xe6
+
struct __coeff {
short m, b, R;
};
#define PSC_CURRENT_IN_L (PSC_NUM_CLASSES)
#define PSC_POWER_L (PSC_NUM_CLASSES + 1)
-static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = {
+static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = {
[lm25056] = {
[PSC_VOLTAGE_IN] = {
.m = 16296,
.m = 16,
},
},
+ [lm25063] = {
+ [PSC_VOLTAGE_IN] = {
+ .m = 16000,
+ .R = -2,
+ },
+ [PSC_VOLTAGE_OUT] = {
+ .m = 16000,
+ .R = -2,
+ },
+ [PSC_CURRENT_IN] = {
+ .m = 10000,
+ .R = -2,
+ },
+ [PSC_CURRENT_IN_L] = {
+ .m = 10000,
+ .R = -2,
+ },
+ [PSC_POWER] = {
+ .m = 5000,
+ .R = -3,
+ },
+ [PSC_POWER_L] = {
+ .m = 5000,
+ .R = -3,
+ },
+ [PSC_TEMPERATURE] = {
+ .m = 15596,
+ .R = -3,
+ },
+ },
[lm5064] = {
[PSC_VOLTAGE_IN] = {
.m = 4611,
struct lm25066_data {
int id;
+ u16 rlimit; /* Maximum register value */
struct pmbus_driver_info info;
};
/* VIN: 6.14 mV VAUX: 293 uV LSB */
ret = DIV_ROUND_CLOSEST(ret * 293, 6140);
break;
+ case lm25063:
+ /* VIN: 6.25 mV VAUX: 200.0 uV LSB */
+ ret = DIV_ROUND_CLOSEST(ret * 20, 625);
+ break;
case lm25066:
/* VIN: 4.54 mV VAUX: 283.2 uV LSB */
ret = DIV_ROUND_CLOSEST(ret * 2832, 45400);
return ret;
}
+static int lm25063_read_word_data(struct i2c_client *client, int page, int reg)
+{
+ int ret;
+
+ switch (reg) {
+ case PMBUS_VIRT_READ_VOUT_MAX:
+ ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MAX);
+ break;
+ case PMBUS_VIRT_READ_VOUT_MIN:
+ ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MIN);
+ break;
+ default:
+ ret = lm25066_read_word_data(client, page, reg);
+ break;
+ }
+ return ret;
+}
+
static int lm25056_read_word_data(struct i2c_client *client, int page, int reg)
{
int ret;
static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
u16 word)
{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ const struct lm25066_data *data = to_lm25066_data(info);
int ret;
switch (reg) {
+ case PMBUS_POUT_OP_FAULT_LIMIT:
+ case PMBUS_POUT_OP_WARN_LIMIT:
case PMBUS_VOUT_UV_WARN_LIMIT:
case PMBUS_OT_FAULT_LIMIT:
case PMBUS_OT_WARN_LIMIT:
+ case PMBUS_IIN_OC_FAULT_LIMIT:
case PMBUS_VIN_UV_WARN_LIMIT:
+ case PMBUS_VIN_UV_FAULT_LIMIT:
+ case PMBUS_VIN_OV_FAULT_LIMIT:
case PMBUS_VIN_OV_WARN_LIMIT:
- word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff);
+ word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit);
ret = pmbus_write_word_data(client, 0, reg, word);
pmbus_clear_cache(client);
break;
case PMBUS_IIN_OC_WARN_LIMIT:
- word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff);
+ word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit);
ret = pmbus_write_word_data(client, 0,
LM25066_MFR_IIN_OC_WARN_LIMIT,
word);
pmbus_clear_cache(client);
break;
case PMBUS_PIN_OP_WARN_LIMIT:
- word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff);
+ word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit);
ret = pmbus_write_word_data(client, 0,
LM25066_MFR_PIN_OP_WARN_LIMIT,
word);
case PMBUS_VIRT_VMON_UV_WARN_LIMIT:
/* Adjust from VIN coefficients (for LM25056) */
word = DIV_ROUND_CLOSEST((int)word * 6140, 293);
- word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff);
+ word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit);
ret = pmbus_write_word_data(client, 0,
LM25056_VAUX_UV_WARN_LIMIT, word);
pmbus_clear_cache(client);
case PMBUS_VIRT_VMON_OV_WARN_LIMIT:
/* Adjust from VIN coefficients (for LM25056) */
word = DIV_ROUND_CLOSEST((int)word * 6140, 293);
- word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff);
+ word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit);
ret = pmbus_write_word_data(client, 0,
LM25056_VAUX_OV_WARN_LIMIT, word);
pmbus_clear_cache(client);
info->func[0] |= PMBUS_HAVE_STATUS_VMON;
info->read_word_data = lm25056_read_word_data;
info->read_byte_data = lm25056_read_byte_data;
+ data->rlimit = 0x0fff;
+ } else if (data->id == lm25063) {
+ info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_POUT;
+ info->read_word_data = lm25063_read_word_data;
+ data->rlimit = 0xffff;
} else {
info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
info->read_word_data = lm25066_read_word_data;
+ data->rlimit = 0x0fff;
}
info->write_word_data = lm25066_write_word_data;
static const struct i2c_device_id lm25066_id[] = {
{"lm25056", lm25056},
+ {"lm25063", lm25063},
{"lm25066", lm25066},
{"lm5064", lm5064},
{"lm5066", lm5066},
module_i2c_driver(lm25066_driver);
MODULE_AUTHOR("Guenter Roeck");
-MODULE_DESCRIPTION("PMBus driver for LM25056/LM25066/LM5064/LM5066");
+MODULE_DESCRIPTION("PMBus driver for LM25066 and compatible chips");
MODULE_LICENSE("GPL");
/*
- * Hardware monitoring driver for LTC2974, LTC2978, LTC3880, and LTC3883
+ * Hardware monitoring driver for LTC2974, LTC2977, LTC2978, LTC3880,
+ * and LTC3883
*
* Copyright (c) 2011 Ericsson AB.
* Copyright (c) 2013 Guenter Roeck
#include <linux/i2c.h>
#include "pmbus.h"
-enum chips { ltc2974, ltc2978, ltc3880, ltc3883 };
+enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883 };
/* Common for all chips */
#define LTC2978_MFR_VOUT_PEAK 0xdd
#define LTC2978_MFR_TEMPERATURE_PEAK 0xdf
#define LTC2978_MFR_SPECIAL_ID 0xe7
-/* LTC2974 and LTC2978 */
+/* LTC2974, LCT2977, and LTC2978 */
#define LTC2978_MFR_VOUT_MIN 0xfb
#define LTC2978_MFR_VIN_MIN 0xfc
#define LTC2978_MFR_TEMPERATURE_MIN 0xfd
#define LTC3883_MFR_IIN_PEAK 0xe1
#define LTC2974_ID 0x0212
+#define LTC2977_ID 0x0130
#define LTC2978_ID_REV1 0x0121
#define LTC2978_ID_REV2 0x0122
+#define LTC2978A_ID 0x0124
#define LTC3880_ID 0x4000
#define LTC3880_ID_MASK 0xff00
#define LTC3883_ID 0x4300
static const struct i2c_device_id ltc2978_id[] = {
{"ltc2974", ltc2974},
+ {"ltc2977", ltc2977},
{"ltc2978", ltc2978},
{"ltc3880", ltc3880},
{"ltc3883", ltc3883},
if (chip_id == LTC2974_ID) {
data->id = ltc2974;
- } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) {
+ } else if (chip_id == LTC2977_ID) {
+ data->id = ltc2977;
+ } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2 ||
+ chip_id == LTC2978A_ID) {
data->id = ltc2978;
} else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID) {
data->id = ltc3880;
| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
}
break;
+ case ltc2977:
case ltc2978:
info->read_word_data = ltc2978_read_word_data;
info->pages = LTC2978_NUM_PAGES;
int max_attributes;
int num_attributes;
struct attribute_group group;
+ const struct attribute_group *groups[2];
struct pmbus_sensor *sensors;
/*
* _pmbus_write_byte() is similar to pmbus_write_byte(), but checks if
- * a device specific mapping funcion exists and calls it if necessary.
+ * a device specific mapping function exists and calls it if necessary.
*/
static int _pmbus_write_byte(struct i2c_client *client, int page, u8 value)
{
static struct pmbus_data *pmbus_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
+ struct i2c_client *client = to_i2c_client(dev->parent);
struct pmbus_data *data = i2c_get_clientdata(client);
const struct pmbus_driver_info *info = data->info;
struct pmbus_sensor *sensor;
if (!s1 && !s2) {
ret = !!regval;
} else if (!s1 || !s2) {
- BUG();
+ WARN(1, "Bad boolean descriptor %p: s1=%p, s2=%p\n", b, s1, s2);
return 0;
} else {
long v1, v2;
struct device_attribute *devattr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
+ struct i2c_client *client = to_i2c_client(dev->parent);
struct pmbus_data *data = i2c_get_clientdata(client);
struct pmbus_sensor *sensor = to_pmbus_sensor(devattr);
ssize_t rv = count;
goto out_kfree;
}
- /* Register sysfs hooks */
- ret = sysfs_create_group(&dev->kobj, &data->group);
- if (ret) {
- dev_err(dev, "Failed to create sysfs entries\n");
- goto out_kfree;
- }
- data->hwmon_dev = hwmon_device_register(dev);
+ data->groups[0] = &data->group;
+ data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
+ data, data->groups);
if (IS_ERR(data->hwmon_dev)) {
ret = PTR_ERR(data->hwmon_dev);
dev_err(dev, "Failed to register hwmon device\n");
- goto out_hwmon_device_register;
+ goto out_kfree;
}
return 0;
-out_hwmon_device_register:
- sysfs_remove_group(&dev->kobj, &data->group);
out_kfree:
kfree(data->group.attrs);
return ret;
{
struct pmbus_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &data->group);
kfree(data->group.attrs);
return 0;
}
*/
struct tmp401_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
+ const struct attribute_group *groups[3];
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
static struct tmp401_data *tmp401_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct tmp401_data *data = i2c_get_clientdata(client);
+ struct tmp401_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
struct tmp401_data *ret = data;
int i, val;
unsigned long next_update;
{
int nr = to_sensor_dev_attr_2(devattr)->nr;
int index = to_sensor_dev_attr_2(devattr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct tmp401_data *data = tmp401_update_device(dev);
+ struct tmp401_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long val;
u16 reg;
u8 regaddr;
- if (IS_ERR(data))
- return PTR_ERR(data);
-
if (kstrtol(buf, 10, &val))
return -EINVAL;
val = clamp_val(val, temp - 255000, temp);
reg = ((temp - val) + 500) / 1000;
- i2c_smbus_write_byte_data(to_i2c_client(dev), TMP401_TEMP_CRIT_HYST,
+ i2c_smbus_write_byte_data(data->client, TMP401_TEMP_CRIT_HYST,
reg);
data->temp_crit_hyst = reg;
static ssize_t reset_temp_history(struct device *dev,
struct device_attribute *devattr, const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct tmp401_data *data = i2c_get_clientdata(client);
+ struct tmp401_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long val;
if (kstrtol(buf, 10, &val))
static ssize_t show_update_interval(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct tmp401_data *data = i2c_get_clientdata(client);
+ struct tmp401_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", data->update_interval);
}
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct tmp401_data *data = i2c_get_clientdata(client);
+ struct tmp401_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long val;
int err, rate;
* Begin non sysfs callback code (aka Real code)
*/
-static void tmp401_init_client(struct i2c_client *client)
+static void tmp401_init_client(struct tmp401_data *data,
+ struct i2c_client *client)
{
int config, config_orig;
- struct tmp401_data *data = i2c_get_clientdata(client);
/* Set the conversion rate to 2 Hz */
i2c_smbus_write_byte_data(client, TMP401_CONVERSION_RATE_WRITE, 5);
return 0;
}
-static int tmp401_remove(struct i2c_client *client)
-{
- struct device *dev = &client->dev;
- struct tmp401_data *data = i2c_get_clientdata(client);
-
- if (data->hwmon_dev)
- hwmon_device_unregister(data->hwmon_dev);
-
- sysfs_remove_group(&dev->kobj, &tmp401_group);
-
- if (data->kind == tmp411)
- sysfs_remove_group(&dev->kobj, &tmp411_group);
-
- if (data->kind == tmp432)
- sysfs_remove_group(&dev->kobj, &tmp432_group);
-
- return 0;
-}
-
static int tmp401_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ const char *names[] = { "TMP401", "TMP411", "TMP431", "TMP432" };
struct device *dev = &client->dev;
- int err;
+ struct device *hwmon_dev;
struct tmp401_data *data;
- const char *names[] = { "TMP401", "TMP411", "TMP431", "TMP432" };
+ int groups = 0;
data = devm_kzalloc(dev, sizeof(struct tmp401_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
data->kind = id->driver_data;
/* Initialize the TMP401 chip */
- tmp401_init_client(client);
+ tmp401_init_client(data, client);
/* Register sysfs hooks */
- err = sysfs_create_group(&dev->kobj, &tmp401_group);
- if (err)
- return err;
+ data->groups[groups++] = &tmp401_group;
/* Register additional tmp411 sysfs hooks */
- if (data->kind == tmp411) {
- err = sysfs_create_group(&dev->kobj, &tmp411_group);
- if (err)
- goto exit_remove;
- }
+ if (data->kind == tmp411)
+ data->groups[groups++] = &tmp411_group;
/* Register additional tmp432 sysfs hooks */
- if (data->kind == tmp432) {
- err = sysfs_create_group(&dev->kobj, &tmp432_group);
- if (err)
- goto exit_remove;
- }
+ if (data->kind == tmp432)
+ data->groups[groups++] = &tmp432_group;
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- data->hwmon_dev = NULL;
- goto exit_remove;
- }
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data, data->groups);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
dev_info(dev, "Detected TI %s chip\n", names[data->kind]);
return 0;
-
-exit_remove:
- tmp401_remove(client);
- return err;
}
static struct i2c_driver tmp401_driver = {
.name = "tmp401",
},
.probe = tmp401_probe,
- .remove = tmp401_remove,
.id_table = tmp401_id,
.detect = tmp401_detect,
.address_list = normal_i2c,
SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
};
-/* get reatime status of all sensors items: voltage, temp, fan */
+/* get realtime status of all sensors items: voltage, temp, fan */
static ssize_t show_alarms_reg(struct device *dev,
struct device_attribute *attr, char *buf)
{
return count;
}
-/* get reatime status of all sensors items: voltage, temp, fan */
+/* get realtime status of all sensors items: voltage, temp, fan */
static ssize_t
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
if (nr == TEMP_FAN_MAP) {
val = data->temp_fan_map[index];
} else if (nr == TEMP_PWM_ENABLE) {
- /* +2 to transfrom into 2 and 3 to conform with sysfs intf */
+ /* +2 to transform into 2 and 3 to conform with sysfs intf */
val = ((data->pwm_enable >> index) & 0x01) + 2;
} else if (nr == TEMP_CRUISE) {
val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f);
static int watchdog_set_timeout(struct w83793_data *data, int timeout)
{
- int ret, mtimeout;
+ unsigned int mtimeout;
+ int ret;
mtimeout = DIV_ROUND_UP(timeout, 60);
return ((val >= 1100) && (val <= 1850) ?
((18499 - val * 10) / 25 + 5) / 10 : -1);
default:
- return -1;
+ return -EINVAL;
}
}
#define _HWMON_H_
struct device;
+struct attribute_group;
struct device *hwmon_device_register(struct device *dev);
+struct device *
+hwmon_device_register_with_groups(struct device *dev, const char *name,
+ void *drvdata,
+ const struct attribute_group **groups);
+struct device *
+devm_hwmon_device_register_with_groups(struct device *dev, const char *name,
+ void *drvdata,
+ const struct attribute_group **groups);
void hwmon_device_unregister(struct device *dev);
+void devm_hwmon_device_unregister(struct device *dev);
#endif
projects / ~andy / linux / commitdiff