diff options
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/acpi_power_meter.c | 5 | ||||
-rw-r--r-- | drivers/hwmon/asus-ec-sensors.c | 2 | ||||
-rw-r--r-- | drivers/hwmon/asus_atk0110.c | 6 | ||||
-rw-r--r-- | drivers/hwmon/coretemp.c | 9 | ||||
-rw-r--r-- | drivers/hwmon/i5500_temp.c | 2 | ||||
-rw-r--r-- | drivers/hwmon/ibmpex.c | 1 | ||||
-rw-r--r-- | drivers/hwmon/ina3221.c | 4 | ||||
-rw-r--r-- | drivers/hwmon/ltc2947-core.c | 2 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/pmbus.h | 1 | ||||
-rw-r--r-- | drivers/hwmon/scmi-hwmon.c | 116 |
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[] = { |