diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/hwmon/coretemp.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/emc1403.c | 10 | ||||
| -rw-r--r-- | drivers/hwmon/ltc2945.c | 6 | ||||
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 15 | ||||
| -rw-r--r-- | drivers/hwmon/vexpress.c | 83 |
6 files changed, 91 insertions, 29 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index bc196f49ec53..4af0da96c2e2 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1053,7 +1053,7 @@ config SENSORS_PC87427 config SENSORS_NTC_THERMISTOR tristate "NTC thermistor support" - depends on (!OF && !IIO) || (OF && IIO) + depends on !OF || IIO=n || IIO help This driver supports NTC thermistors sensor reading and its interpretation. The driver can also monitor the temperature and diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 6d02e3b06375..d76f0b70c6e0 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -365,12 +365,12 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) if (cpu_has_tjmax(c)) dev_warn(dev, "Unable to read TjMax from CPU %u\n", id); } else { - val = (eax >> 16) & 0x7f; + val = (eax >> 16) & 0xff; /* * If the TjMax is not plausible, an assumption * will be used */ - if (val >= 85) { + if (val) { dev_dbg(dev, "TjMax is %d degrees C\n", val); return val * 1000; } diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 90ec1173b8a1..01723f04fe45 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -163,7 +163,7 @@ static ssize_t store_hyst(struct device *dev, if (retval < 0) goto fail; - hyst = val - retval * 1000; + hyst = retval * 1000 - val; hyst = DIV_ROUND_CLOSEST(hyst, 1000); if (hyst < 0 || hyst > 255) { retval = -ERANGE; @@ -330,7 +330,7 @@ static int emc1403_detect(struct i2c_client *client, } id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG); - if (id != 0x01) + if (id < 0x01 || id > 0x04) return -ENODEV; return 0; @@ -355,9 +355,9 @@ static int emc1403_probe(struct i2c_client *client, if (id->driver_data) data->groups[1] = &emc1404_group; - hwmon_dev = hwmon_device_register_with_groups(&client->dev, - client->name, data, - data->groups); + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + data->groups); if (IS_ERR(hwmon_dev)) return PTR_ERR(hwmon_dev); diff --git a/drivers/hwmon/ltc2945.c b/drivers/hwmon/ltc2945.c index c104cc32989d..c9cddf5f056b 100644 --- a/drivers/hwmon/ltc2945.c +++ b/drivers/hwmon/ltc2945.c @@ -1,4 +1,4 @@ -/* + /* * Driver for Linear Technology LTC2945 I2C Power Monitor * * Copyright (c) 2014 Guenter Roeck @@ -314,8 +314,8 @@ static ssize_t ltc2945_reset_history(struct device *dev, reg = LTC2945_MAX_ADIN_H; break; default: - BUG(); - break; + WARN_ONCE(1, "Bad register: 0x%x\n", reg); + return -EINVAL; } /* Reset maximum */ ret = regmap_bulk_write(regmap, reg, buf_max, num_regs); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8a17f01e8672..e76feb86a1d4 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -44,6 +44,7 @@ struct ntc_compensation { unsigned int ohm; }; +/* Order matters, ntc_match references the entries by index */ static const struct platform_device_id ntc_thermistor_id[] = { { "ncp15wb473", TYPE_NCPXXWB473 }, { "ncp18wb473", TYPE_NCPXXWB473 }, @@ -141,7 +142,7 @@ struct ntc_data { char name[PLATFORM_NAME_SIZE]; }; -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO) static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; @@ -163,15 +164,15 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) static const struct of_device_id ntc_match[] = { { .compatible = "ntc,ncp15wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[0] }, { .compatible = "ntc,ncp18wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[1] }, { .compatible = "ntc,ncp21wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[2] }, { .compatible = "ntc,ncp03wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[3] }, { .compatible = "ntc,ncp15wl333", - .data = &ntc_thermistor_id[TYPE_NCPXXWL333] }, + .data = &ntc_thermistor_id[4] }, { }, }; MODULE_DEVICE_TABLE(of, ntc_match); @@ -223,6 +224,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev) return NULL; } +#define ntc_match NULL + static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata) { } #endif diff --git a/drivers/hwmon/vexpress.c b/drivers/hwmon/vexpress.c index d867e6bb2be1..8242b75d96c8 100644 --- a/drivers/hwmon/vexpress.c +++ b/drivers/hwmon/vexpress.c @@ -27,15 +27,15 @@ struct vexpress_hwmon_data { struct device *hwmon_dev; struct vexpress_config_func *func; + const char *name; }; static ssize_t vexpress_hwmon_name_show(struct device *dev, struct device_attribute *dev_attr, char *buffer) { - const char *compatible = of_get_property(dev->of_node, "compatible", - NULL); + struct vexpress_hwmon_data *data = dev_get_drvdata(dev); - return sprintf(buffer, "%s\n", compatible); + return sprintf(buffer, "%s\n", data->name); } static ssize_t vexpress_hwmon_label_show(struct device *dev, @@ -43,9 +43,6 @@ static ssize_t vexpress_hwmon_label_show(struct device *dev, { const char *label = of_get_property(dev->of_node, "label", NULL); - if (!label) - return -ENOENT; - return snprintf(buffer, PAGE_SIZE, "%s\n", label); } @@ -84,6 +81,20 @@ static ssize_t vexpress_hwmon_u64_show(struct device *dev, to_sensor_dev_attr(dev_attr)->index)); } +static umode_t vexpress_hwmon_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = kobj_to_dev(kobj); + struct device_attribute *dev_attr = container_of(attr, + struct device_attribute, attr); + + if (dev_attr->show == vexpress_hwmon_label_show && + !of_get_property(dev->of_node, "label", NULL)) + return 0; + + return attr->mode; +} + static DEVICE_ATTR(name, S_IRUGO, vexpress_hwmon_name_show, NULL); #define VEXPRESS_HWMON_ATTRS(_name, _label_attr, _input_attr) \ @@ -94,14 +105,27 @@ struct attribute *vexpress_hwmon_attrs_##_name[] = { \ NULL \ } +struct vexpress_hwmon_type { + const char *name; + const struct attribute_group **attr_groups; +}; + #if !defined(CONFIG_REGULATOR_VEXPRESS) static DEVICE_ATTR(in1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); static VEXPRESS_HWMON_ATTRS(volt, in1_label, in1_input); static struct attribute_group vexpress_hwmon_group_volt = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_volt, }; +static struct vexpress_hwmon_type vexpress_hwmon_volt = { + .name = "vexpress_volt", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_volt, + NULL, + }, +}; #endif static DEVICE_ATTR(curr1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); @@ -109,52 +133,84 @@ static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); static VEXPRESS_HWMON_ATTRS(amp, curr1_label, curr1_input); static struct attribute_group vexpress_hwmon_group_amp = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_amp, }; +static struct vexpress_hwmon_type vexpress_hwmon_amp = { + .name = "vexpress_amp", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_amp, + NULL + }, +}; static DEVICE_ATTR(temp1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); static VEXPRESS_HWMON_ATTRS(temp, temp1_label, temp1_input); static struct attribute_group vexpress_hwmon_group_temp = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_temp, }; +static struct vexpress_hwmon_type vexpress_hwmon_temp = { + .name = "vexpress_temp", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_temp, + NULL + }, +}; static DEVICE_ATTR(power1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1); static VEXPRESS_HWMON_ATTRS(power, power1_label, power1_input); static struct attribute_group vexpress_hwmon_group_power = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_power, }; +static struct vexpress_hwmon_type vexpress_hwmon_power = { + .name = "vexpress_power", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_power, + NULL + }, +}; static DEVICE_ATTR(energy1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(energy1_input, S_IRUGO, vexpress_hwmon_u64_show, NULL, 1); static VEXPRESS_HWMON_ATTRS(energy, energy1_label, energy1_input); static struct attribute_group vexpress_hwmon_group_energy = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_energy, }; +static struct vexpress_hwmon_type vexpress_hwmon_energy = { + .name = "vexpress_energy", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_energy, + NULL + }, +}; static struct of_device_id vexpress_hwmon_of_match[] = { #if !defined(CONFIG_REGULATOR_VEXPRESS) { .compatible = "arm,vexpress-volt", - .data = &vexpress_hwmon_group_volt, + .data = &vexpress_hwmon_volt, }, #endif { .compatible = "arm,vexpress-amp", - .data = &vexpress_hwmon_group_amp, + .data = &vexpress_hwmon_amp, }, { .compatible = "arm,vexpress-temp", - .data = &vexpress_hwmon_group_temp, + .data = &vexpress_hwmon_temp, }, { .compatible = "arm,vexpress-power", - .data = &vexpress_hwmon_group_power, + .data = &vexpress_hwmon_power, }, { .compatible = "arm,vexpress-energy", - .data = &vexpress_hwmon_group_energy, + .data = &vexpress_hwmon_energy, }, {} }; @@ -165,6 +221,7 @@ static int vexpress_hwmon_probe(struct platform_device *pdev) int err; const struct of_device_id *match; struct vexpress_hwmon_data *data; + const struct vexpress_hwmon_type *type; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -174,12 +231,14 @@ static int vexpress_hwmon_probe(struct platform_device *pdev) match = of_match_device(vexpress_hwmon_of_match, &pdev->dev); if (!match) return -ENODEV; + type = match->data; + data->name = type->name; data->func = vexpress_config_func_get_by_dev(&pdev->dev); if (!data->func) return -ENODEV; - err = sysfs_create_group(&pdev->dev.kobj, match->data); + err = sysfs_create_groups(&pdev->dev.kobj, type->attr_groups); if (err) goto error; |
