diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/hwmon/aspeed-g6-pwm-tach.c | 5 | ||||
| -rw-r--r-- | drivers/hwmon/asus_atk0110.c | 3 | ||||
| -rw-r--r-- | drivers/hwmon/it87.c | 3 | ||||
| -rw-r--r-- | drivers/hwmon/occ/common.c | 34 | ||||
| -rw-r--r-- | drivers/hwmon/occ/common.h | 1 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/adm1275.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 13 | ||||
| -rw-r--r-- | drivers/hwmon/w83627hf.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/w83793.c | 1 |
10 files changed, 57 insertions, 12 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 2a71b6e834b0..c8a7e45e8006 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1086,6 +1086,7 @@ config SENSORS_LTC2992 tristate "Linear Technology LTC2992" depends on I2C depends on GPIOLIB + select REGMAP_I2C help If you say yes here you get support for Linear Technology LTC2992 I2C System Monitor. The LTC2992 measures current, voltage, and @@ -1212,6 +1213,7 @@ config SENSORS_MAX16065 config SENSORS_MAX1619 tristate "Maxim MAX1619 sensor chip" depends on I2C + select REGMAP help If you say yes here you get support for MAX1619 sensor chip. @@ -1330,6 +1332,7 @@ config SENSORS_MAX6650 config SENSORS_MAX6697 tristate "Maxim MAX6697 and compatibles" depends on I2C + select REGMAP_I2C help If you say yes here you get support for MAX6581, MAX6602, MAX6622, MAX6636, MAX6689, MAX6693, MAX6694, MAX6697, MAX6698, and MAX6699 diff --git a/drivers/hwmon/aspeed-g6-pwm-tach.c b/drivers/hwmon/aspeed-g6-pwm-tach.c index d1f7f4397482..3be596544123 100644 --- a/drivers/hwmon/aspeed-g6-pwm-tach.c +++ b/drivers/hwmon/aspeed-g6-pwm-tach.c @@ -293,7 +293,10 @@ static int aspeed_tach_val_to_rpm(struct aspeed_pwm_tach_data *priv, u32 tach_va priv->clk_rate, tach_val, tach_div); rpm = (u64)priv->clk_rate * 60; - do_div(rpm, tach_div); + if (tach_div) + do_div(rpm, tach_div); + else + rpm = 0; return (int)rpm; } diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index c80350e499e9..94ff698488fd 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -1037,6 +1037,9 @@ static int atk_ec_present(struct atk_data *data) if (obj->type != ACPI_TYPE_PACKAGE) continue; + if (!obj->package.count) + continue; + id = &obj->package.elements[0]; if (id->type != ACPI_TYPE_INTEGER) continue; diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 5cfb98a0512f..c0c9826d44a2 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -1401,6 +1401,9 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, if (kstrtol(buf, 10, &val) < 0) return -EINVAL; + if (val < 0) + val = 0; + err = it87_lock(data); if (err) return err; diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 42cc6068bb08..e18e80e832fd 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -214,6 +214,11 @@ int occ_update_response(struct occ *occ) if (rc) return rc; + if (!occ->active) { + rc = -ENODEV; + goto unlock; + } + /* limit the maximum rate of polling the OCC */ if (time_after(jiffies, occ->next_update)) { rc = occ_poll(occ); @@ -222,6 +227,7 @@ int occ_update_response(struct occ *occ) rc = occ->last_error; } +unlock: mutex_unlock(&occ->lock); return rc; } @@ -1105,11 +1111,16 @@ static void occ_parse_poll_response(struct occ *occ) int occ_active(struct occ *occ, bool active) { - int rc = mutex_lock_interruptible(&occ->lock); + struct device *hwmon = NULL; + int rc = mutex_lock_interruptible(&occ->hwmon_lock); if (rc) return rc; + rc = mutex_lock_interruptible(&occ->lock); + if (rc) + goto unlock_hwmon; + if (active) { if (occ->active) { rc = -EALREADY; @@ -1154,14 +1165,17 @@ int occ_active(struct occ *occ, bool active) goto unlock; } - if (occ->hwmon) - hwmon_device_unregister(occ->hwmon); + hwmon = occ->hwmon; occ->active = false; occ->hwmon = NULL; } unlock: mutex_unlock(&occ->lock); + if (hwmon) + hwmon_device_unregister(hwmon); +unlock_hwmon: + mutex_unlock(&occ->hwmon_lock); return rc; } @@ -1170,6 +1184,7 @@ int occ_setup(struct occ *occ) int rc; mutex_init(&occ->lock); + mutex_init(&occ->hwmon_lock); occ->groups[0] = &occ->group; rc = occ_setup_sysfs(occ); @@ -1190,15 +1205,22 @@ EXPORT_SYMBOL_GPL(occ_setup); void occ_shutdown(struct occ *occ) { - mutex_lock(&occ->lock); + struct device *hwmon; occ_shutdown_sysfs(occ); - if (occ->hwmon) - hwmon_device_unregister(occ->hwmon); + mutex_lock(&occ->hwmon_lock); + mutex_lock(&occ->lock); + + hwmon = occ->hwmon; + occ->active = false; occ->hwmon = NULL; mutex_unlock(&occ->lock); + + if (hwmon) + hwmon_device_unregister(hwmon); + mutex_unlock(&occ->hwmon_lock); } EXPORT_SYMBOL_GPL(occ_shutdown); diff --git a/drivers/hwmon/occ/common.h b/drivers/hwmon/occ/common.h index 7ac4b2febce6..82f600093c7f 100644 --- a/drivers/hwmon/occ/common.h +++ b/drivers/hwmon/occ/common.h @@ -101,6 +101,7 @@ struct occ { unsigned long next_update; struct mutex lock; /* lock OCC access */ + struct mutex hwmon_lock; /* serialize hwmon registration/removal */ struct device *hwmon; struct occ_attribute *attrs; diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c index bc2a6a07dc3e..43baa5ded35e 100644 --- a/drivers/hwmon/pmbus/adm1275.c +++ b/drivers/hwmon/pmbus/adm1275.c @@ -512,7 +512,7 @@ static int adm1275_enable_vout_temp(struct adm1275_data *data, static int adm1275_probe(struct i2c_client *client) { s32 (*config_read_fn)(const struct i2c_client *client, u8 reg); - u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1]; + u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1] = {0}; int config, device_config; int ret; struct pmbus_driver_info *info; diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 7150f12d2630..ddf64e72751c 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -3381,18 +3381,23 @@ static void pmbus_regulator_notify_worker(struct work_struct *work) int i, j; for (i = 0; i < data->info->pages; i++) { - int event; + unsigned int event; event = atomic_xchg(&data->regulator_events[i], 0); if (!event) continue; for (j = 0; j < data->info->num_regulators; j++) { - if (i == rdev_get_id(data->rdevs[j])) { + if (i != rdev_get_id(data->rdevs[j])) + continue; + while (event) { + unsigned int _event = BIT(__ffs(event)); + regulator_notifier_call_chain(data->rdevs[j], - event, NULL); - break; + _event, NULL); + event &= ~_event; } + break; } } } diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 95115d7b863e..bb993bb09f40 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1823,6 +1823,8 @@ static int w83627hf_probe(struct platform_device *pdev) return 0; error: + device_remove_file(dev, &dev_attr_vrm); + device_remove_file(dev, &dev_attr_cpu0_vid); sysfs_remove_group(&dev->kobj, &w83627hf_group); sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); return err; @@ -1834,6 +1836,8 @@ static void w83627hf_remove(struct platform_device *pdev) hwmon_device_unregister(data->hwmon_dev); + device_remove_file(&pdev->dev, &dev_attr_vrm); + device_remove_file(&pdev->dev, &dev_attr_cpu0_vid); sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); } diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 67728f60333f..ec03745328a6 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -1917,6 +1917,7 @@ exit_remove: for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) device_remove_file(dev, &w83793_vid[i].dev_attr); + device_remove_file(dev, &dev_attr_vrm); for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++) device_remove_file(dev, &w83793_left_fan[i].dev_attr); |
