summaryrefslogtreecommitdiff
path: root/drivers/hwmon
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/acpi_power_meter.c5
-rw-r--r--drivers/hwmon/asus-ec-sensors.c2
-rw-r--r--drivers/hwmon/asus_atk0110.c6
-rw-r--r--drivers/hwmon/coretemp.c9
-rw-r--r--drivers/hwmon/i5500_temp.c2
-rw-r--r--drivers/hwmon/ibmpex.c1
-rw-r--r--drivers/hwmon/ina3221.c4
-rw-r--r--drivers/hwmon/ltc2947-core.c2
-rw-r--r--drivers/hwmon/pmbus/pmbus.h1
-rw-r--r--drivers/hwmon/scmi-hwmon.c116
10 files changed, 122 insertions, 26 deletions
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 0962c12eba5a..fa28d447f0df 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -910,12 +910,12 @@ exit:
return res;
}
-static int acpi_power_meter_remove(struct acpi_device *device)
+static void acpi_power_meter_remove(struct acpi_device *device)
{
struct acpi_power_meter_resource *resource;
if (!device || !acpi_driver_data(device))
- return -EINVAL;
+ return;
resource = acpi_driver_data(device);
hwmon_device_unregister(resource->hwmon_dev);
@@ -924,7 +924,6 @@ static int acpi_power_meter_remove(struct acpi_device *device)
free_capabilities(resource);
kfree(resource);
- return 0;
}
static int acpi_power_meter_resume(struct device *dev)
diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c
index 81e688975c6a..a901e4e33d81 100644
--- a/drivers/hwmon/asus-ec-sensors.c
+++ b/drivers/hwmon/asus-ec-sensors.c
@@ -938,6 +938,8 @@ static int asus_ec_probe(struct platform_device *pdev)
ec_data->nr_sensors = hweight_long(ec_data->board_info->sensors);
ec_data->sensors = devm_kcalloc(dev, ec_data->nr_sensors,
sizeof(struct ec_sensor), GFP_KERNEL);
+ if (!ec_data->sensors)
+ return -ENOMEM;
status = setup_lock_data(dev);
if (status) {
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index ff64a39d56de..d778a2aaefec 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -187,7 +187,7 @@ struct atk_acpi_input_buf {
};
static int atk_add(struct acpi_device *device);
-static int atk_remove(struct acpi_device *device);
+static void atk_remove(struct acpi_device *device);
static void atk_print_sensor(struct atk_data *data, union acpi_object *obj);
static int atk_read_value(struct atk_sensor_data *sensor, u64 *value);
@@ -1344,7 +1344,7 @@ out:
return err;
}
-static int atk_remove(struct acpi_device *device)
+static void atk_remove(struct acpi_device *device)
{
struct atk_data *data = device->driver_data;
dev_dbg(&device->dev, "removing...\n");
@@ -1359,8 +1359,6 @@ static int atk_remove(struct acpi_device *device)
if (atk_ec_ctl(data, 0))
dev_err(&device->dev, "Failed to disable EC\n");
}
-
- return 0;
}
static int __init atk0110_init(void)
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 8bf32c6c85d9..9bee4d33fbdf 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -242,10 +242,13 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
*/
if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL) {
for (i = 0; i < ARRAY_SIZE(tjmax_pci_table); i++) {
- if (host_bridge->device == tjmax_pci_table[i].device)
+ if (host_bridge->device == tjmax_pci_table[i].device) {
+ pci_dev_put(host_bridge);
return tjmax_pci_table[i].tjmax;
+ }
}
}
+ pci_dev_put(host_bridge);
for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) {
if (strstr(c->x86_model_id, tjmax_table[i].id))
@@ -533,6 +536,10 @@ static void coretemp_remove_core(struct platform_data *pdata, int indx)
{
struct temp_data *tdata = pdata->core_data[indx];
+ /* if we errored on add then this is already gone */
+ if (!tdata)
+ return;
+
/* Remove the sysfs attributes */
sysfs_remove_group(&pdata->hwmon_dev->kobj, &tdata->attr_group);
diff --git a/drivers/hwmon/i5500_temp.c b/drivers/hwmon/i5500_temp.c
index 05f68e9c9477..23b9f94fe0a9 100644
--- a/drivers/hwmon/i5500_temp.c
+++ b/drivers/hwmon/i5500_temp.c
@@ -117,7 +117,7 @@ static int i5500_temp_probe(struct pci_dev *pdev,
u32 tstimer;
s8 tsfsc;
- err = pci_enable_device(pdev);
+ err = pcim_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "Failed to enable device\n");
return err;
diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
index f6ec165c0fa8..1837cccd993c 100644
--- a/drivers/hwmon/ibmpex.c
+++ b/drivers/hwmon/ibmpex.c
@@ -502,6 +502,7 @@ static void ibmpex_register_bmc(int iface, struct device *dev)
return;
out_register:
+ list_del(&data->list);
hwmon_device_unregister(data->hwmon_dev);
out_user:
ipmi_destroy_user(data->user);
diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
index 2a57f4b60c29..e06186986444 100644
--- a/drivers/hwmon/ina3221.c
+++ b/drivers/hwmon/ina3221.c
@@ -228,7 +228,7 @@ static int ina3221_read_value(struct ina3221_data *ina, unsigned int reg,
* Shunt Voltage Sum register has 14-bit value with 1-bit shift
* Other Shunt Voltage registers have 12 bits with 3-bit shift
*/
- if (reg == INA3221_SHUNT_SUM)
+ if (reg == INA3221_SHUNT_SUM || reg == INA3221_CRIT_SUM)
*val = sign_extend32(regval >> 1, 14);
else
*val = sign_extend32(regval >> 3, 12);
@@ -465,7 +465,7 @@ static int ina3221_write_curr(struct device *dev, u32 attr,
* SHUNT_SUM: (1 / 40uV) << 1 = 1 / 20uV
* SHUNT[1-3]: (1 / 40uV) << 3 = 1 / 5uV
*/
- if (reg == INA3221_SHUNT_SUM)
+ if (reg == INA3221_SHUNT_SUM || reg == INA3221_CRIT_SUM)
regval = DIV_ROUND_CLOSEST(voltage_uv, 20) & 0xfffe;
else
regval = DIV_ROUND_CLOSEST(voltage_uv, 5) & 0xfff8;
diff --git a/drivers/hwmon/ltc2947-core.c b/drivers/hwmon/ltc2947-core.c
index 7404e974762f..2dbbbac9de09 100644
--- a/drivers/hwmon/ltc2947-core.c
+++ b/drivers/hwmon/ltc2947-core.c
@@ -396,7 +396,7 @@ static int ltc2947_read_temp(struct device *dev, const u32 attr, long *val,
return ret;
/* in milidegrees celcius, temp is given by: */
- *val = (__val * 204) + 550;
+ *val = (__val * 204) + 5500;
return 0;
}
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index 7daaf0caf4d3..10fb17879f8e 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -467,7 +467,6 @@ extern const struct regulator_ops pmbus_regulator_ops;
#define PMBUS_REGULATOR_STEP(_name, _id, _voltages, _step) \
[_id] = { \
.name = (_name # _id), \
- .supply_name = "vin", \
.id = (_id), \
.of_match = of_match_ptr(_name # _id), \
.regulators_node = of_match_ptr("regulators"), \
diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
index b1329a58ce40..e192f0c67146 100644
--- a/drivers/hwmon/scmi-hwmon.c
+++ b/drivers/hwmon/scmi-hwmon.c
@@ -20,6 +20,11 @@ struct scmi_sensors {
const struct scmi_sensor_info **info[hwmon_max];
};
+struct scmi_thermal_sensor {
+ const struct scmi_protocol_handle *ph;
+ const struct scmi_sensor_info *info;
+};
+
static inline u64 __pow10(u8 x)
{
u64 r = 1;
@@ -64,16 +69,14 @@ static int scmi_hwmon_scale(const struct scmi_sensor_info *sensor, u64 *value)
return 0;
}
-static int scmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
- u32 attr, int channel, long *val)
+static int scmi_hwmon_read_scaled_value(const struct scmi_protocol_handle *ph,
+ const struct scmi_sensor_info *sensor,
+ long *val)
{
int ret;
u64 value;
- const struct scmi_sensor_info *sensor;
- struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
- sensor = *(scmi_sensors->info[type] + channel);
- ret = sensor_ops->reading_get(scmi_sensors->ph, sensor->id, &value);
+ ret = sensor_ops->reading_get(ph, sensor->id, &value);
if (ret)
return ret;
@@ -84,6 +87,17 @@ static int scmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
return ret;
}
+static int scmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long *val)
+{
+ const struct scmi_sensor_info *sensor;
+ struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
+
+ sensor = *(scmi_sensors->info[type] + channel);
+
+ return scmi_hwmon_read_scaled_value(scmi_sensors->ph, sensor, val);
+}
+
static int
scmi_hwmon_read_string(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, const char **str)
@@ -122,6 +136,25 @@ static struct hwmon_chip_info scmi_chip_info = {
.info = NULL,
};
+static int scmi_hwmon_thermal_get_temp(struct thermal_zone_device *tz,
+ int *temp)
+{
+ int ret;
+ long value;
+ struct scmi_thermal_sensor *th_sensor = tz->devdata;
+
+ ret = scmi_hwmon_read_scaled_value(th_sensor->ph, th_sensor->info,
+ &value);
+ if (!ret)
+ *temp = value;
+
+ return ret;
+}
+
+static const struct thermal_zone_device_ops scmi_hwmon_thermal_ops = {
+ .get_temp = scmi_hwmon_thermal_get_temp,
+};
+
static int scmi_hwmon_add_chan_info(struct hwmon_channel_info *scmi_hwmon_chan,
struct device *dev, int num,
enum hwmon_sensor_types type, u32 config)
@@ -149,7 +182,6 @@ static enum hwmon_sensor_types scmi_types[] = {
};
static u32 hwmon_attributes[hwmon_max] = {
- [hwmon_chip] = HWMON_C_REGISTER_TZ,
[hwmon_temp] = HWMON_T_INPUT | HWMON_T_LABEL,
[hwmon_in] = HWMON_I_INPUT | HWMON_I_LABEL,
[hwmon_curr] = HWMON_C_INPUT | HWMON_C_LABEL,
@@ -157,6 +189,43 @@ static u32 hwmon_attributes[hwmon_max] = {
[hwmon_energy] = HWMON_E_INPUT | HWMON_E_LABEL,
};
+static int scmi_thermal_sensor_register(struct device *dev,
+ const struct scmi_protocol_handle *ph,
+ const struct scmi_sensor_info *sensor)
+{
+ struct scmi_thermal_sensor *th_sensor;
+ struct thermal_zone_device *tzd;
+
+ th_sensor = devm_kzalloc(dev, sizeof(*th_sensor), GFP_KERNEL);
+ if (!th_sensor)
+ return -ENOMEM;
+
+ th_sensor->ph = ph;
+ th_sensor->info = sensor;
+
+ /*
+ * Try to register a temperature sensor with the Thermal Framework:
+ * skip sensors not defined as part of any thermal zone (-ENODEV) but
+ * report any other errors related to misconfigured zones/sensors.
+ */
+ tzd = devm_thermal_of_zone_register(dev, th_sensor->info->id, th_sensor,
+ &scmi_hwmon_thermal_ops);
+ if (IS_ERR(tzd)) {
+ devm_kfree(dev, th_sensor);
+
+ if (PTR_ERR(tzd) != -ENODEV)
+ return PTR_ERR(tzd);
+
+ dev_dbg(dev, "Sensor '%s' not attached to any thermal zone.\n",
+ sensor->name);
+ } else {
+ dev_dbg(dev, "Sensor '%s' attached to thermal zone ID:%d\n",
+ sensor->name, tzd->id);
+ }
+
+ return 0;
+}
+
static int scmi_hwmon_probe(struct scmi_device *sdev)
{
int i, idx;
@@ -164,7 +233,7 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
enum hwmon_sensor_types type;
struct scmi_sensors *scmi_sensors;
const struct scmi_sensor_info *sensor;
- int nr_count[hwmon_max] = {0}, nr_types = 0;
+ int nr_count[hwmon_max] = {0}, nr_types = 0, nr_count_temp = 0;
const struct hwmon_chip_info *chip_info;
struct device *hwdev, *dev = &sdev->dev;
struct hwmon_channel_info *scmi_hwmon_chan;
@@ -208,10 +277,8 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
}
}
- if (nr_count[hwmon_temp]) {
- nr_count[hwmon_chip]++;
- nr_types++;
- }
+ if (nr_count[hwmon_temp])
+ nr_count_temp = nr_count[hwmon_temp];
scmi_hwmon_chan = devm_kcalloc(dev, nr_types, sizeof(*scmi_hwmon_chan),
GFP_KERNEL);
@@ -262,8 +329,31 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
hwdev = devm_hwmon_device_register_with_info(dev, "scmi_sensors",
scmi_sensors, chip_info,
NULL);
+ if (IS_ERR(hwdev))
+ return PTR_ERR(hwdev);
- return PTR_ERR_OR_ZERO(hwdev);
+ for (i = 0; i < nr_count_temp; i++) {
+ int ret;
+
+ sensor = *(scmi_sensors->info[hwmon_temp] + i);
+ if (!sensor)
+ continue;
+
+ /*
+ * Warn on any misconfiguration related to thermal zones but
+ * bail out of probing only on memory errors.
+ */
+ ret = scmi_thermal_sensor_register(dev, ph, sensor);
+ if (ret) {
+ if (ret == -ENOMEM)
+ return ret;
+ dev_warn(dev,
+ "Thermal zone misconfigured for %s. err=%d\n",
+ sensor->name, ret);
+ }
+ }
+
+ return 0;
}
static const struct scmi_device_id scmi_id_table[] = {