diff options
Diffstat (limited to 'drivers/hwmon')
46 files changed, 1094 insertions, 997 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index b3ab9d43bb3e..52d548f1dc1d 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -656,6 +656,7 @@ config SENSORS_LM75 - Analog Devices ADT75 - Dallas Semiconductor DS75, DS1775 and DS7505 + - Global Mixed-mode Technology (GMT) G751 - Maxim MAX6625 and MAX6626 - Microchip MCP980x - National Semiconductor LM75, LM75A diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index 2ebd6ce46108..9c8a6bab8228 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -164,7 +164,7 @@ static const u8 abituguru_bank2_max_threshold = 50; 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 }; @@ -517,7 +517,7 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, 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. */ @@ -564,7 +564,7 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, /* * 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; diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c index 0cac8c0b001a..4ae74aa8cdc1 100644 --- a/drivers/hwmon/abituguru3.c +++ b/drivers/hwmon/abituguru3.c @@ -176,7 +176,7 @@ struct abituguru3_data { /* * 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 */ diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index a9e3d0152c0b..6a34f7f48eb9 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -381,8 +381,10 @@ static ssize_t show_str(struct device *dev, 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); @@ -436,7 +438,9 @@ static ssize_t show_val(struct device *dev, 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); @@ -598,9 +602,8 @@ static int read_domain_devices(struct acpi_power_meter_resource *resource) /* Create a symlink to domain objects */ resource->domain_devices[i] = NULL; - status = acpi_bus_get_device(element->reference.handle, - &resource->domain_devices[i]); - if (ACPI_FAILURE(status)) + if (acpi_bus_get_device(element->reference.handle, + &resource->domain_devices[i])) continue; obj = resource->domain_devices[i]; @@ -855,7 +858,8 @@ static void acpi_power_meter_notify(struct acpi_device *device, u32 event) dev_info(&device->dev, "Capping in progress.\n"); break; default: - BUG(); + WARN(1, "Unexpected event %d\n", event); + break; } mutex_unlock(&resource->lock); @@ -991,7 +995,7 @@ static int __init acpi_power_meter_init(void) result = acpi_bus_register_driver(&acpi_power_meter_driver); if (result < 0) - return -ENODEV; + return result; return 0; } diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index 751b1f0264a4..04c08c2f79b8 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -203,7 +203,6 @@ out_err: 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; } @@ -218,7 +217,6 @@ static int adcxx_remove(struct spi_device *spi) 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; diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 3a6d9ef1c16c..b3498acb9ab4 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -616,7 +616,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) data->gpio = gpio; data->last_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ if (!data->valid || time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) { @@ -700,7 +700,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) } data->last_config = jiffies; - }; /* last_config */ + } /* last_config */ data->valid = 1; mutex_unlock(&data->update_lock); @@ -1791,7 +1791,7 @@ static int adm1026_detect(struct i2c_client *client, 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. */ diff --git a/drivers/hwmon/adt7310.c b/drivers/hwmon/adt7310.c index da5f0789fb97..5994cf68e0a4 100644 --- a/drivers/hwmon/adt7310.c +++ b/drivers/hwmon/adt7310.c @@ -42,13 +42,8 @@ static const u8 adt7310_reg_table[] = { static int adt7310_spi_read_word(struct device *dev, u8 reg) { struct spi_device *spi = to_spi_device(dev); - int ret; - ret = spi_w8r16(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ); - if (ret < 0) - return ret; - - return be16_to_cpu((__force __be16)ret); + return spi_w8r16be(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ); } static int adt7310_spi_write_word(struct device *dev, u8 reg, u16 data) diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c index addb5a4d5064..562cc3881d33 100644 --- a/drivers/hwmon/adt7462.c +++ b/drivers/hwmon/adt7462.c @@ -700,7 +700,7 @@ static int find_trange_value(int trange) if (trange_values[i] == trange) return i; - return -ENODEV; + return -EINVAL; } static struct adt7462_data *adt7462_update_device(struct device *dev) @@ -1294,9 +1294,8 @@ static ssize_t set_pwm_tmax(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; diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c index 3ad9d849add2..8d9f2a0e8efe 100644 --- a/drivers/hwmon/asc7621.c +++ b/drivers/hwmon/asc7621.c @@ -138,7 +138,7 @@ static inline u8 read_byte(struct i2c_client *client, u8 reg) dev_err(&client->dev, "Unable to read from register 0x%02x.\n", reg); return 0; - }; + } return res & 0xff; } @@ -149,7 +149,7 @@ static inline int write_byte(struct i2c_client *client, u8 reg, u8 data) dev_err(&client->dev, "Unable to write value 0x%02x to register 0x%02x.\n", data, reg); - }; + } return res; } @@ -1030,7 +1030,7 @@ static struct asc7621_data *asc7621_update_device(struct device *dev) } } data->last_high_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ /* Read all the low priority registers. */ @@ -1044,7 +1044,7 @@ static struct asc7621_data *asc7621_update_device(struct device *dev) } } data->last_low_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ data->valid = 1; @@ -1084,11 +1084,11 @@ static void asc7621_init_client(struct i2c_client *client) 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 diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index b25c64302cbc..dafc63c6932d 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -18,7 +18,6 @@ #include <linux/err.h> #include <acpi/acpi.h> -#include <acpi/acpixf.h> #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> @@ -119,7 +118,7 @@ struct atk_data { 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; diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index aecb9ea7beb5..ddff02e3e66f 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -147,10 +147,9 @@ static ssize_t atxp1_storevcore(struct device *dev, /* Calculate VID */ vid = vid_to_reg(vcore, data->vrm); - if (vid < 0) { dev_err(dev, "VID calculation failed.\n"); - return -1; + return vid; } /* diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index a26ba7a17c2b..872d76744e30 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -120,7 +120,7 @@ static const u8 DS1621_REG_TEMP[3] = { /* 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 */ @@ -151,10 +151,10 @@ static inline u16 DS1621_TEMP_TO_REG(long temp, u8 zbits) 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 */ @@ -197,8 +197,8 @@ static void ds1621_init_client(struct i2c_client *client) 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); @@ -247,8 +247,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, 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; @@ -258,7 +257,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, 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; @@ -282,16 +281,15 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *da, 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; @@ -343,8 +341,7 @@ static umode_t ds1621_attribute_visible(struct kobject *kobj, 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) @@ -357,52 +354,31 @@ static const struct attribute_group ds1621_group = { .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[] = { @@ -422,7 +398,6 @@ static struct i2c_driver ds1621_driver = { .name = "ds1621", }, .probe = ds1621_probe, - .remove = ds1621_remove, .id_table = ds1621_id, }; diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 142e1cb8dea7..90ec1173b8a1 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -21,7 +21,6 @@ * * TODO * - cache alarm and critical limit registers - * - add emc1404 support */ #include <linux/module.h> @@ -40,7 +39,8 @@ #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 @@ -53,10 +53,11 @@ struct thermal_data { 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); @@ -65,27 +66,27 @@ static ssize_t show_temp(struct device *dev, 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; @@ -95,9 +96,9 @@ static ssize_t store_temp(struct device *dev, 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; @@ -124,9 +125,9 @@ fail: 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; @@ -147,9 +148,9 @@ static ssize_t show_hyst(struct device *dev, 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; @@ -232,10 +233,26 @@ static SENSOR_DEVICE_ATTR_2(temp3_crit_alarm, S_IRUGO, 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, @@ -264,8 +281,24 @@ static struct attribute *mid_att_thermal[] = { 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, @@ -286,10 +319,12 @@ 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; } @@ -304,43 +339,29 @@ static int emc1403_detect(struct i2c_client *client, 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; } @@ -350,7 +371,9 @@ static const unsigned short emc1403_address_list[] = { static const struct i2c_device_id emc1403_idtable[] = { { "emc1403", 0 }, + { "emc1404", 1 }, { "emc1423", 0 }, + { "emc1424", 1 }, { } }; MODULE_DEVICE_TABLE(i2c, emc1403_idtable); @@ -362,7 +385,6 @@ static struct i2c_driver sensor_emc1403 = { }, .detect = emc1403_detect, .probe = emc1403_probe, - .remove = emc1403_remove, .id_table = emc1403_idtable, .address_list = emc1403_address_list, }; diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 31b221eeee6c..03d8592810bf 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -2420,7 +2420,6 @@ static int f71882fg_probe(struct platform_device *pdev) 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) diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index a837b94977f4..80c42bea90ed 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -275,7 +275,7 @@ static bool duty_mode_enabled(u8 pwm_enable) case 3: /* Manual, speed mode */ return false; default: - BUG(); + WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); return true; } } @@ -291,7 +291,7 @@ static bool auto_mode_enabled(u8 pwm_enable) case 4: /* Auto, duty mode */ return true; default: - BUG(); + WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); return false; } } diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index b7d6a5704eb2..73181be5b30b 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -31,6 +31,7 @@ #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> @@ -169,7 +170,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data) 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) @@ -309,12 +310,6 @@ exit_unlock: 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); @@ -324,26 +319,23 @@ static DEVICE_ATTR(fan1_max, S_IRUGO, show_rpm_max, NULL); 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, @@ -358,6 +350,11 @@ static const struct attribute_group gpio_fan_group = { .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) { @@ -384,7 +381,7 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, 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; } @@ -539,24 +536,16 @@ static int gpio_fan_probe(struct platform_device *pdev) 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) @@ -564,7 +553,6 @@ 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; } diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c index 2dc37c7c6947..7d68a08baaa8 100644 --- a/drivers/hwmon/hih6130.c +++ b/drivers/hwmon/hih6130.c @@ -43,6 +43,7 @@ * @last_update: time of last update (jiffies) * @temperature: cached temperature measurement value * @humidity: cached humidity measurement value + * @write_length: length for I2C measurement request */ struct hih6130 { struct device *hwmon_dev; @@ -51,6 +52,7 @@ struct hih6130 { unsigned long last_update; int temperature; int humidity; + size_t write_length; }; /** @@ -121,8 +123,15 @@ static int hih6130_update_measurements(struct i2c_client *client) */ if (time_after(jiffies, hih6130->last_update + HZ) || !hih6130->valid) { - /* write to slave address, no data, to request a measurement */ - ret = i2c_master_send(client, tmp, 0); + /* + * Write to slave address to request a measurement. + * According with the datasheet it should be with no data, but + * for systems with I2C bus drivers that do not allow zero + * length packets we write one dummy byte to allow sensor + * measurements on them. + */ + tmp[0] = 0; + ret = i2c_master_send(client, tmp, hih6130->write_length); if (ret < 0) goto out; @@ -252,6 +261,9 @@ static int hih6130_probe(struct i2c_client *client, goto fail_remove_sysfs; } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK)) + hih6130->write_length = 1; + return 0; fail_remove_sysfs: diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 646314f7c839..e176a43af63d 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -15,6 +15,7 @@ #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> @@ -25,35 +26,122 @@ #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); @@ -75,6 +163,69 @@ void hwmon_device_unregister(struct device *dev) } 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 @@ -105,19 +256,21 @@ static void __init hwmon_pci_quirks(void) 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); diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c index c6fdd5bd395e..5378fdefc1f7 100644 --- a/drivers/hwmon/ina209.c +++ b/drivers/hwmon/ina209.c @@ -63,7 +63,7 @@ #define INA209_SHUNT_DEFAULT 10000 /* uOhm */ struct ina209_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -78,8 +78,8 @@ struct ina209_data { 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; @@ -234,7 +234,6 @@ static ssize_t ina209_set_interval(struct device *dev, 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; @@ -250,7 +249,8 @@ static ssize_t ina209_set_interval(struct device *dev, 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); @@ -260,8 +260,7 @@ static ssize_t ina209_set_interval(struct device *dev, 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); } @@ -285,9 +284,9 @@ static ssize_t ina209_reset_history(struct device *dev, 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; @@ -312,7 +311,6 @@ static ssize_t ina209_set_value(struct device *dev, 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; @@ -332,7 +330,7 @@ static ssize_t ina209_set_value(struct device *dev, 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); @@ -457,7 +455,7 @@ static SENSOR_DEVICE_ATTR(update_interval, S_IRUGO | S_IWUSR, * 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, @@ -498,10 +496,7 @@ static struct attribute *ina209_attributes[] = { 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) @@ -565,6 +560,7 @@ static int ina209_probe(struct i2c_client *client, { 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)) @@ -575,27 +571,23 @@ static int ina209_probe(struct i2c_client *client, 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; @@ -605,8 +597,6 @@ static int ina209_remove(struct i2c_client *client) { 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; diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 70a39a8ac016..93d26e8af3e2 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -78,7 +78,7 @@ struct ina2xx_config { }; struct ina2xx_data { - struct device *hwmon_dev; + struct i2c_client *client; const struct ina2xx_config *config; struct mutex update_lock; @@ -112,8 +112,8 @@ static const struct ina2xx_config ina2xx_config[] = { 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); @@ -203,41 +203,39 @@ static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ina2xx_show_value, NULL, 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) @@ -255,37 +253,18 @@ static int ina2xx_probe(struct i2c_client *client, 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[] = { @@ -302,7 +281,6 @@ static struct i2c_driver ina2xx_driver = { .name = "ina2xx", }, .probe = ina2xx_probe, - .remove = ina2xx_remove, .id_table = ina2xx_id, }; diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 4a58f130fd4e..6013611e4f21 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -163,7 +163,7 @@ static struct jc42_chips jc42_chips[] = { /* 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; @@ -193,21 +193,21 @@ MODULE_DEVICE_TABLE(i2c, jc42_id); 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; } @@ -317,15 +317,14 @@ static ssize_t set_##value(struct device *dev, \ 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); \ @@ -344,8 +343,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, 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; @@ -368,7 +366,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, 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; @@ -430,8 +428,7 @@ static umode_t jc42_attribute_mode(struct kobject *kobj, 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; @@ -452,6 +449,7 @@ static const struct attribute_group jc42_group = { .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) @@ -487,14 +485,16 @@ 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); @@ -515,29 +515,15 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id) } 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) != @@ -553,8 +539,8 @@ static int jc42_remove(struct i2c_client *client) 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; diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c index e0d66b9590ab..a183e488db78 100644 --- a/drivers/hwmon/jz4740-hwmon.c +++ b/drivers/hwmon/jz4740-hwmon.c @@ -66,7 +66,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev, mutex_lock(&hwmon->lock); - INIT_COMPLETION(*completion); + reinit_completion(completion); enable_irq(hwmon->irq); hwmon->cell->enable(to_platform_device(dev)); diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index 016efa26ba7c..505a59e100b0 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -174,7 +174,6 @@ out_dev_reg_failed: 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; } @@ -185,7 +184,6 @@ static int lm70_remove(struct spi_device *spi) 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; } diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c index 9bde9644b102..9653bb870a47 100644 --- a/drivers/hwmon/lm73.c +++ b/drivers/hwmon/lm73.c @@ -55,7 +55,7 @@ static const unsigned short lm73_convrates[] = { }; struct lm73_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex lock; u8 ctrl; /* control register value */ }; @@ -66,7 +66,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, 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; @@ -77,7 +77,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, /* 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; } @@ -85,10 +85,10 @@ static ssize_t show_temp(struct device *dev, 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 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; @@ -101,8 +101,7 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da, 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; @@ -124,7 +123,8 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da, 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) @@ -136,8 +136,7 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da, 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; @@ -147,13 +146,12 @@ static ssize_t show_convrate(struct device *dev, struct device_attribute *da, 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; @@ -183,7 +181,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, 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, @@ -192,10 +190,7 @@ static struct attribute *lm73_attributes[] = { &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group lm73_group = { - .attrs = lm73_attributes, -}; +ATTRIBUTE_GROUPS(lm73); /*-----------------------------------------------------------------------*/ @@ -204,16 +199,16 @@ static const struct attribute_group lm73_group = { 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); @@ -221,33 +216,13 @@ lm73_probe(struct i2c_client *client, const struct i2c_device_id *id) 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; } @@ -300,7 +275,6 @@ static struct i2c_driver lm73_driver = { .name = "lm73", }, .probe = lm73_probe, - .remove = lm73_remove, .id_table = lm73_ids, .detect = lm73_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index c03b490bba81..7e3ef134f1d2 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -39,6 +39,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ ds1775, ds75, ds7505, + g751, lm75, lm75a, max6625, @@ -208,6 +209,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 12; data->sample_time = HZ / 4; break; + case g751: case lm75: case lm75a: data->resolution = 9; @@ -296,6 +298,7 @@ static const struct i2c_device_id lm75_ids[] = { { "ds1775", ds1775, }, { "ds75", ds75, }, { "ds7505", ds7505, }, + { "g751", g751, }, { "lm75", lm75, }, { "lm75a", lm75a, }, { "max6625", max6625, }, diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index 6cf6bff79003..a2f3b4a365e4 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index cdff74282955..8b8f3aa49726 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -60,6 +60,11 @@ * This driver also supports the G781 from GMT. This device is compatible * with the ADM1032. * + * This driver also supports TMP451 from Texas Instruments. This device is + * supported in both compatibility and extended mode. It's mostly compatible + * with ADT7461 except for local temperature low byte register and max + * conversion rate. + * * Since the LM90 was the first chipset supported by this driver, most * comments will refer to this chipset, but are actually general and * concern all supported chipsets, unless mentioned otherwise. @@ -89,6 +94,8 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> +#include <linux/interrupt.h> +#include <linux/regulator/consumer.h> /* * Addresses to scan @@ -110,7 +117,7 @@ static const unsigned short normal_i2c[] = { 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, - max6646, w83l771, max6696, sa56004, g781 }; + max6646, w83l771, max6696, sa56004, g781, tmp451 }; /* * The LM90 registers @@ -167,6 +174,9 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_DEF_CONVRATE_RVAL 6 /* Def conversion rate register value */ #define LM90_MAX_CONVRATE_MS 16000 /* Maximum conversion rate in ms */ +/* TMP451 registers */ +#define TMP451_REG_R_LOCAL_TEMPL 0x15 + /* * Device flags */ @@ -179,6 +189,23 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */ #define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */ +/* LM90 status */ +#define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */ +#define LM90_STATUS_RTHRM (1 << 1) /* remote THERM limit tripped */ +#define LM90_STATUS_ROPEN (1 << 2) /* remote is an open circuit */ +#define LM90_STATUS_RLOW (1 << 3) /* remote low temp limit tripped */ +#define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ +#define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ +#define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ + +#define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ +#define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ +#define MAX6696_STATUS2_R2LOW (1 << 3) /* remote2 low temp limit tripped */ +#define MAX6696_STATUS2_R2HIGH (1 << 4) /* remote2 high temp limit tripped */ +#define MAX6696_STATUS2_ROT2 (1 << 5) /* remote emergency limit tripped */ +#define MAX6696_STATUS2_R2OT2 (1 << 6) /* remote2 emergency limit tripped */ +#define MAX6696_STATUS2_LOT2 (1 << 7) /* local emergency limit tripped */ + /* * Driver data (common to all clients) */ @@ -205,6 +232,7 @@ static const struct i2c_device_id lm90_id[] = { { "nct1008", adt7461 }, { "w83l771", w83l771 }, { "sa56004", sa56004 }, + { "tmp451", tmp451 }, { } }; MODULE_DEVICE_TABLE(i2c, lm90_id); @@ -278,7 +306,7 @@ static const struct lm90_params lm90_params[] = { [max6696] = { .flags = LM90_HAVE_EMERGENCY | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3, - .alert_alarms = 0x187c, + .alert_alarms = 0x1c7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, @@ -293,6 +321,43 @@ static const struct lm90_params lm90_params[] = { .max_convrate = 9, .reg_local_ext = SA56004_REG_R_LOCAL_TEMPL, }, + [tmp451] = { + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_BROKEN_ALERT, + .alert_alarms = 0x7c, + .max_convrate = 9, + .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, + } +}; + +/* + * TEMP8 register index + */ +enum lm90_temp8_reg_index { + LOCAL_LOW = 0, + LOCAL_HIGH, + LOCAL_CRIT, + REMOTE_CRIT, + LOCAL_EMERG, /* max6659 and max6695/96 */ + REMOTE_EMERG, /* max6659 and max6695/96 */ + REMOTE2_CRIT, /* max6695/96 only */ + REMOTE2_EMERG, /* max6695/96 only */ + TEMP8_REG_NUM +}; + +/* + * TEMP11 register index + */ +enum lm90_temp11_reg_index { + REMOTE_TEMP = 0, + REMOTE_LOW, + REMOTE_HIGH, + REMOTE_OFFSET, /* except max6646, max6657/58/59, and max6695/96 */ + LOCAL_TEMP, + REMOTE2_TEMP, /* max6695/96 only */ + REMOTE2_LOW, /* max6695/96 only */ + REMOTE2_HIGH, /* max6695/96 only */ + TEMP11_REG_NUM }; /* @@ -302,6 +367,7 @@ static const struct lm90_params lm90_params[] = { struct lm90_data { struct device *hwmon_dev; struct mutex update_lock; + struct regulator *regulator; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ int kind; @@ -317,25 +383,8 @@ struct lm90_data { u8 reg_local_ext; /* local extension register offset */ /* registers values */ - s8 temp8[8]; /* 0: local low limit - * 1: local high limit - * 2: local critical limit - * 3: remote critical limit - * 4: local emergency limit (max6659 and max6695/96) - * 5: remote emergency limit (max6659 and max6695/96) - * 6: remote 2 critical limit (max6695/96 only) - * 7: remote 2 emergency limit (max6695/96 only) - */ - s16 temp11[8]; /* 0: remote input - * 1: remote low limit - * 2: remote high limit - * 3: remote offset (except max6646, max6657/58/59, - * and max6695/96) - * 4: local input - * 5: remote 2 input (max6695/96 only) - * 6: remote 2 low limit (max6695/96 only) - * 7: remote 2 high limit (max6695/96 only) - */ + s8 temp8[TEMP8_REG_NUM]; + s16 temp11[TEMP11_REG_NUM]; u8 temp_hyst; u16 alarms; /* bitvector (upper 8 bits for max6695/96) */ }; @@ -477,37 +526,42 @@ static struct lm90_data *lm90_update_device(struct device *dev) u8 alarms; dev_dbg(&client->dev, "Updating lm90 data.\n"); - lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[0]); - lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[1]); - lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[2]); - lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[3]); + lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, + &data->temp8[LOCAL_LOW]); + lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, + &data->temp8[LOCAL_HIGH]); + lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, + &data->temp8[LOCAL_CRIT]); + lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, + &data->temp8[REMOTE_CRIT]); lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst); if (data->reg_local_ext) { lm90_read16(client, LM90_REG_R_LOCAL_TEMP, data->reg_local_ext, - &data->temp11[4]); + &data->temp11[LOCAL_TEMP]); } else { if (lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &h) == 0) - data->temp11[4] = h << 8; + data->temp11[LOCAL_TEMP] = h << 8; } lm90_read16(client, LM90_REG_R_REMOTE_TEMPH, - LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]); + LM90_REG_R_REMOTE_TEMPL, + &data->temp11[REMOTE_TEMP]); if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0) { - data->temp11[1] = h << 8; + data->temp11[REMOTE_LOW] = h << 8; if ((data->flags & LM90_HAVE_REM_LIMIT_EXT) && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0) - data->temp11[1] |= l; + data->temp11[REMOTE_LOW] |= l; } if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0) { - data->temp11[2] = h << 8; + data->temp11[REMOTE_HIGH] = h << 8; if ((data->flags & LM90_HAVE_REM_LIMIT_EXT) && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0) - data->temp11[2] |= l; + data->temp11[REMOTE_HIGH] |= l; } if (data->flags & LM90_HAVE_OFFSET) { @@ -515,13 +569,13 @@ static struct lm90_data *lm90_update_device(struct device *dev) &h) == 0 && lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSL, &l) == 0) - data->temp11[3] = (h << 8) | l; + data->temp11[REMOTE_OFFSET] = (h << 8) | l; } if (data->flags & LM90_HAVE_EMERGENCY) { lm90_read_reg(client, MAX6659_REG_R_LOCAL_EMERG, - &data->temp8[4]); + &data->temp8[LOCAL_EMERG]); lm90_read_reg(client, MAX6659_REG_R_REMOTE_EMERG, - &data->temp8[5]); + &data->temp8[REMOTE_EMERG]); } lm90_read_reg(client, LM90_REG_R_STATUS, &alarms); data->alarms = alarms; /* save as 16 bit value */ @@ -529,15 +583,16 @@ static struct lm90_data *lm90_update_device(struct device *dev) if (data->kind == max6696) { lm90_select_remote_channel(client, data, 1); lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, - &data->temp8[6]); + &data->temp8[REMOTE2_CRIT]); lm90_read_reg(client, MAX6659_REG_R_REMOTE_EMERG, - &data->temp8[7]); + &data->temp8[REMOTE2_EMERG]); lm90_read16(client, LM90_REG_R_REMOTE_TEMPH, - LM90_REG_R_REMOTE_TEMPL, &data->temp11[5]); + LM90_REG_R_REMOTE_TEMPL, + &data->temp11[REMOTE2_TEMP]); if (!lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h)) - data->temp11[6] = h << 8; + data->temp11[REMOTE2_LOW] = h << 8; if (!lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h)) - data->temp11[7] = h << 8; + data->temp11[REMOTE2_HIGH] = h << 8; lm90_select_remote_channel(client, data, 0); if (!lm90_read_reg(client, MAX6696_REG_R_STATUS2, @@ -709,7 +764,7 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u8_adt7461(data, data->temp8[attr->index]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[attr->index]); @@ -726,7 +781,7 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - static const u8 reg[8] = { + static const u8 reg[TEMP8_REG_NUM] = { LM90_REG_W_LOCAL_LOW, LM90_REG_W_LOCAL_HIGH, LM90_REG_W_LOCAL_CRIT, @@ -753,7 +808,7 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, val -= 16000; mutex_lock(&data->update_lock); - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) data->temp8[nr] = temp_to_u8_adt7461(data, val); else if (data->kind == max6646) data->temp8[nr] = temp_to_u8(val); @@ -775,7 +830,7 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u16_adt7461(data, data->temp11[attr->index]); else if (data->kind == max6646) temp = temp_from_u16(data->temp11[attr->index]); @@ -821,7 +876,7 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, val -= 16000; mutex_lock(&data->update_lock); - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) data->temp11[index] = temp_to_u16_adt7461(data, val); else if (data->kind == max6646) data->temp11[index] = temp_to_u8(val) << 8; @@ -850,7 +905,7 @@ static ssize_t show_temphyst(struct device *dev, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u8_adt7461(data, data->temp8[attr->index]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[attr->index]); @@ -878,12 +933,12 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy, return err; mutex_lock(&data->update_lock); - if (data->kind == adt7461) - temp = temp_from_u8_adt7461(data, data->temp8[2]); + if (data->kind == adt7461 || data->kind == tmp451) + temp = temp_from_u8_adt7461(data, data->temp8[LOCAL_CRIT]); else if (data->kind == max6646) - temp = temp_from_u8(data->temp8[2]); + temp = temp_from_u8(data->temp8[LOCAL_CRIT]); else - temp = temp_from_s8(data->temp8[2]); + temp = temp_from_s8(data->temp8[LOCAL_CRIT]); data->temp_hyst = hyst_to_reg(temp - val); i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST, @@ -937,25 +992,28 @@ static ssize_t set_update_interval(struct device *dev, return count; } -static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp11, NULL, 0, 4); -static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp11, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp11, NULL, + 0, LOCAL_TEMP); +static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp11, NULL, + 0, REMOTE_TEMP); static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 0); + set_temp8, LOCAL_LOW); static SENSOR_DEVICE_ATTR_2(temp2_min, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 0, 1); + set_temp11, 0, REMOTE_LOW); static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 1); + set_temp8, LOCAL_HIGH); static SENSOR_DEVICE_ATTR_2(temp2_max, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 1, 2); + set_temp11, 1, REMOTE_HIGH); static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 2); + set_temp8, LOCAL_CRIT); static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 3); + set_temp8, REMOTE_CRIT); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst, - set_temphyst, 2); -static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 3); + set_temphyst, LOCAL_CRIT); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, + REMOTE_CRIT); static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 2, 3); + set_temp11, 2, REMOTE_OFFSET); /* Individual alarm files */ static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0); @@ -1003,13 +1061,13 @@ static const struct attribute_group lm90_group = { * Additional attributes for devices with emergency sensors */ static SENSOR_DEVICE_ATTR(temp1_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 4); + set_temp8, LOCAL_EMERG); static SENSOR_DEVICE_ATTR(temp2_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 5); + set_temp8, REMOTE_EMERG); static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 4); + NULL, LOCAL_EMERG); static SENSOR_DEVICE_ATTR(temp2_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 5); + NULL, REMOTE_EMERG); static struct attribute *lm90_emergency_attributes[] = { &sensor_dev_attr_temp1_emergency.dev_attr.attr, @@ -1039,18 +1097,20 @@ static const struct attribute_group lm90_emergency_alarm_group = { /* * Additional attributes for devices with 3 temperature sensors */ -static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp11, NULL, 0, 5); +static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp11, NULL, + 0, REMOTE2_TEMP); static SENSOR_DEVICE_ATTR_2(temp3_min, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 3, 6); + set_temp11, 3, REMOTE2_LOW); static SENSOR_DEVICE_ATTR_2(temp3_max, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 4, 7); + set_temp11, 4, REMOTE2_HIGH); static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 6); -static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_temphyst, NULL, 6); + set_temp8, REMOTE2_CRIT); +static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_temphyst, NULL, + REMOTE2_CRIT); static SENSOR_DEVICE_ATTR(temp3_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 7); + set_temp8, REMOTE2_EMERG); static SENSOR_DEVICE_ATTR(temp3_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 7); + NULL, REMOTE2_EMERG); static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 9); static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 10); @@ -1306,6 +1366,19 @@ static int lm90_detect(struct i2c_client *client, && (config1 & 0x3F) == 0x00 && convrate <= 0x08) name = "g781"; + } else + if (address == 0x4C + && man_id == 0x55) { /* Texas Instruments */ + int local_ext; + + local_ext = i2c_smbus_read_byte_data(client, + TMP451_REG_R_LOCAL_TEMPL); + + if (chip_id == 0x00 /* TMP451 */ + && (config1 & 0x1B) == 0x00 + && convrate <= 0x09 + && (local_ext & 0x0F) == 0x00) + name = "tmp451"; } if (!name) { /* identification failed */ @@ -1367,7 +1440,7 @@ static void lm90_init_client(struct i2c_client *client) data->config_orig = config; /* Check Temperature Range Select */ - if (data->kind == adt7461) { + if (data->kind == adt7461 || data->kind == tmp451) { if (config & 0x04) data->flags |= LM90_FLAG_ADT7461_EXT; } @@ -1391,14 +1464,74 @@ static void lm90_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config); } +static bool lm90_is_tripped(struct i2c_client *client, u16 *status) +{ + struct lm90_data *data = i2c_get_clientdata(client); + u8 st, st2 = 0; + + lm90_read_reg(client, LM90_REG_R_STATUS, &st); + + if (data->kind == max6696) + lm90_read_reg(client, MAX6696_REG_R_STATUS2, &st2); + + *status = st | (st2 << 8); + + if ((st & 0x7f) == 0 && (st2 & 0xfe) == 0) + return false; + + if ((st & (LM90_STATUS_LLOW | LM90_STATUS_LHIGH | LM90_STATUS_LTHRM)) || + (st2 & MAX6696_STATUS2_LOT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 1); + if ((st & (LM90_STATUS_RLOW | LM90_STATUS_RHIGH | LM90_STATUS_RTHRM)) || + (st2 & MAX6696_STATUS2_ROT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 2); + if (st & LM90_STATUS_ROPEN) + dev_warn(&client->dev, + "temp%d diode open, please check!\n", 2); + if (st2 & (MAX6696_STATUS2_R2LOW | MAX6696_STATUS2_R2HIGH | + MAX6696_STATUS2_R2THRM | MAX6696_STATUS2_R2OT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 3); + if (st2 & MAX6696_STATUS2_R2OPEN) + dev_warn(&client->dev, + "temp%d diode open, please check!\n", 3); + + return true; +} + +static irqreturn_t lm90_irq_thread(int irq, void *dev_id) +{ + struct i2c_client *client = dev_id; + u16 status; + + if (lm90_is_tripped(client, &status)) + return IRQ_HANDLED; + else + return IRQ_NONE; +} + static int lm90_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct i2c_adapter *adapter = to_i2c_adapter(dev->parent); struct lm90_data *data; + struct regulator *regulator; int err; + regulator = devm_regulator_get(dev, "vcc"); + if (IS_ERR(regulator)) + return PTR_ERR(regulator); + + err = regulator_enable(regulator); + if (err < 0) { + dev_err(&client->dev, + "Failed to enable regulator: %d\n", err); + return err; + } + data = devm_kzalloc(&client->dev, sizeof(struct lm90_data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -1406,6 +1539,8 @@ static int lm90_probe(struct i2c_client *client, i2c_set_clientdata(client, data); mutex_init(&data->update_lock); + data->regulator = regulator; + /* Set the device type */ data->kind = id->driver_data; if (data->kind == adm1032) { @@ -1467,12 +1602,28 @@ static int lm90_probe(struct i2c_client *client, goto exit_remove_files; } + if (client->irq) { + dev_dbg(dev, "IRQ: %d\n", client->irq); + err = devm_request_threaded_irq(dev, client->irq, + NULL, lm90_irq_thread, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "lm90", client); + if (err < 0) { + dev_err(dev, "cannot request IRQ %d\n", client->irq); + goto exit_unregister; + } + } + return 0; +exit_unregister: + hwmon_device_unregister(data->hwmon_dev); exit_remove_files: lm90_remove_files(client, data); exit_restore: lm90_restore_conf(client, data); + regulator_disable(data->regulator); + return err; } @@ -1483,49 +1634,33 @@ static int lm90_remove(struct i2c_client *client) hwmon_device_unregister(data->hwmon_dev); lm90_remove_files(client, data); lm90_restore_conf(client, data); + regulator_disable(data->regulator); return 0; } static void lm90_alert(struct i2c_client *client, unsigned int flag) { - struct lm90_data *data = i2c_get_clientdata(client); - u8 config, alarms, alarms2 = 0; - - lm90_read_reg(client, LM90_REG_R_STATUS, &alarms); - - if (data->kind == max6696) - lm90_read_reg(client, MAX6696_REG_R_STATUS2, &alarms2); - - if ((alarms & 0x7f) == 0 && (alarms2 & 0xfe) == 0) { - dev_info(&client->dev, "Everything OK\n"); - } else { - if (alarms & 0x61) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 1); - if (alarms & 0x1a) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 2); - if (alarms & 0x04) - dev_warn(&client->dev, - "temp%d diode open, please check!\n", 2); - - if (alarms2 & 0x18) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 3); + u16 alarms; + if (lm90_is_tripped(client, &alarms)) { /* * Disable ALERT# output, because these chips don't implement * SMBus alert correctly; they should only hold the alert line * low briefly. */ + struct lm90_data *data = i2c_get_clientdata(client); + if ((data->flags & LM90_HAVE_BROKEN_ALERT) && (alarms & data->alert_alarms)) { + u8 config; dev_dbg(&client->dev, "Disabling ALERT#\n"); lm90_read_reg(client, LM90_REG_R_CONFIG1, &config); i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config | 0x80); } + } else { + dev_info(&client->dev, "Everything OK\n"); } } diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c index 307c9eaeeb9f..411202bdaf6b 100644 --- a/drivers/hwmon/lm95234.c +++ b/drivers/hwmon/lm95234.c @@ -57,7 +57,7 @@ static const unsigned short normal_i2c[] = { 0x18, 0x4d, 0x4e, I2C_CLIENT_END }; /* 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 */ @@ -114,9 +114,9 @@ static u16 update_intervals[] = { 143, 364, 1000, 2500 }; /* 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); @@ -157,9 +157,9 @@ static int lm95234_fill_cache(struct i2c_client *client) 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); @@ -169,7 +169,7 @@ static int lm95234_update_device(struct i2c_client *client, int i; if (!data->valid) { - ret = lm95234_fill_cache(client); + ret = lm95234_fill_cache(data, client); if (ret < 0) goto abort; } @@ -209,10 +209,9 @@ 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; @@ -224,10 +223,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, 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; @@ -238,10 +236,9 @@ static ssize_t show_alarm(struct device *dev, 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; @@ -252,11 +249,10 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, 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; @@ -274,7 +270,7 @@ static ssize_t set_type(struct device *dev, struct device_attribute *attr, 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); @@ -284,10 +280,9 @@ static ssize_t set_type(struct device *dev, struct device_attribute *attr, 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; @@ -298,11 +293,10 @@ static ssize_t show_tcrit2(struct device *dev, struct device_attribute *attr, 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; @@ -315,7 +309,7 @@ static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr, 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; @@ -324,10 +318,9 @@ static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr, 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; @@ -340,8 +333,7 @@ static ssize_t show_tcrit2_hyst(struct device *dev, 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); @@ -350,11 +342,10 @@ static ssize_t show_tcrit1(struct device *dev, struct device_attribute *attr, 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; @@ -367,7 +358,7 @@ static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr, 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; @@ -376,10 +367,9 @@ static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr, 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; @@ -393,11 +383,10 @@ static ssize_t set_tcrit1_hyst(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; @@ -411,7 +400,7 @@ static ssize_t set_tcrit1_hyst(struct device *dev, 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; @@ -420,10 +409,9 @@ static ssize_t set_tcrit1_hyst(struct device *dev, 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; @@ -434,11 +422,10 @@ static ssize_t show_offset(struct device *dev, struct device_attribute *attr, 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; @@ -452,7 +439,7 @@ static ssize_t set_offset(struct device *dev, struct device_attribute *attr, 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; @@ -461,9 +448,8 @@ static ssize_t set_offset(struct device *dev, struct device_attribute *attr, 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; @@ -475,11 +461,10 @@ static ssize_t show_interval(struct device *dev, struct device_attribute *attr, 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; @@ -495,7 +480,7 @@ static ssize_t set_interval(struct device *dev, struct device_attribute *attr, 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; @@ -579,7 +564,7 @@ static SENSOR_DEVICE_ATTR(temp5_offset, S_IWUSR | S_IRUGO, show_offset, 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, @@ -621,10 +606,7 @@ static struct attribute *lm95234_attributes[] = { &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) @@ -701,13 +683,14 @@ static int lm95234_probe(struct i2c_client *client, { 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 */ @@ -715,32 +698,10 @@ static int lm95234_probe(struct i2c_client *client, 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) */ @@ -756,7 +717,6 @@ static struct i2c_driver lm95234_driver = { .name = DRVNAME, }, .probe = lm95234_probe, - .remove = lm95234_remove, .id_table = lm95234_id, .detect = lm95234_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c index cdc1ecc6734d..d4172933ce4f 100644 --- a/drivers/hwmon/ltc4245.c +++ b/drivers/hwmon/ltc4245.c @@ -51,7 +51,9 @@ enum ltc4245_cmd { }; struct ltc4245_data { - struct device *hwmon_dev; + struct i2c_client *client; + + const struct attribute_group *groups[3]; struct mutex update_lock; bool valid; @@ -77,8 +79,8 @@ struct ltc4245_data { */ 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; @@ -130,8 +132,8 @@ static void ltc4245_update_gpios(struct device *dev) 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; @@ -455,41 +457,14 @@ static const struct attribute_group ltc4245_gpio_group = { .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) @@ -517,7 +492,7 @@ static int ltc4245_probe(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; @@ -526,7 +501,7 @@ static int ltc4245_probe(struct i2c_client *client, 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); @@ -534,30 +509,25 @@ static int ltc4245_probe(struct i2c_client *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; } diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c index 487da58ec86c..0becd69842bb 100644 --- a/drivers/hwmon/ltc4261.c +++ b/drivers/hwmon/ltc4261.c @@ -55,7 +55,7 @@ #define FAULT_OC (1<<2) struct ltc4261_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -67,8 +67,8 @@ struct ltc4261_data { 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); @@ -150,7 +150,6 @@ static ssize_t ltc4261_show_bool(struct device *dev, 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; @@ -159,7 +158,7 @@ static ssize_t ltc4261_show_bool(struct device *dev, 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); } @@ -197,7 +196,7 @@ static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4261_show_value, NULL, 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, @@ -210,62 +209,38 @@ static struct attribute *ltc4261_attributes[] = { 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[] = { @@ -281,7 +256,6 @@ static struct i2c_driver ltc4261_driver = { .name = "ltc4261", }, .probe = ltc4261_probe, - .remove = ltc4261_remove, .id_table = ltc4261_id, }; diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 2fa2c02f5569..d4efc79d7b93 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -83,7 +83,8 @@ static const bool max16065_have_current[] = { 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 */ @@ -144,8 +145,8 @@ static int max16065_read_adc(struct i2c_client *client, int reg) 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) { @@ -186,7 +187,7 @@ static ssize_t max16065_show_alarm(struct device *dev, 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); @@ -223,8 +224,7 @@ static ssize_t max16065_set_limit(struct device *dev, 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; @@ -238,7 +238,7 @@ static ssize_t max16065_set_limit(struct device *dev, 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); @@ -250,8 +250,7 @@ static ssize_t max16065_show_limit(struct device *dev, 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]); @@ -516,8 +515,32 @@ static struct attribute *max16065_max_attributes[] = { 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 = { @@ -526,38 +549,35 @@ 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]; @@ -596,38 +616,16 @@ static int max16065_probe(struct i2c_client *client, } } - /* 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 @@ -636,33 +634,16 @@ static int max16065_probe(struct i2c_client *client, 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; } @@ -685,7 +666,6 @@ static struct i2c_driver max16065_driver = { .name = "max16065", }, .probe = max16065_probe, - .remove = max16065_remove, .id_table = max16065_id, }; diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c index 57d58cd32206..8326fbd60150 100644 --- a/drivers/hwmon/max6642.c +++ b/drivers/hwmon/max6642.c @@ -87,7 +87,7 @@ static int temp_to_reg(int val) */ 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 */ @@ -102,10 +102,10 @@ struct max6642_data { * 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. @@ -168,14 +168,14 @@ static int max6642_detect(struct i2c_client *client, 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; @@ -209,8 +209,8 @@ static struct max6642_data *max6642_update_device(struct device *dev) 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])); @@ -219,8 +219,8 @@ static ssize_t show_temp_max10(struct device *dev, 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])); } @@ -228,11 +228,10 @@ static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, 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) @@ -240,7 +239,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, 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; @@ -264,7 +263,7 @@ static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); 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, @@ -275,54 +274,29 @@ static struct attribute *max6642_attributes[] = { &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); } /* @@ -341,7 +315,6 @@ static struct i2c_driver max6642_driver = { .name = "max6642", }, .probe = max6642_probe, - .remove = max6642_remove, .id_table = max6642_id, .detect = max6642_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index 3c16cbd4c002..0cafc390db4d 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -660,7 +660,7 @@ static int max6650_init_client(struct i2c_client *client) /* * 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) { diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index a41b5f3fc506..7fd3eaf817f4 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -77,7 +77,7 @@ struct max6697_chip_data { }; struct max6697_data { - struct device *hwmon_dev; + struct i2c_client *client; enum chips type; const struct max6697_chip_data *chip; @@ -181,8 +181,8 @@ static const struct max6697_chip_data max6697_chip_data[] = { 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; @@ -303,8 +303,7 @@ static ssize_t set_temp(struct device *dev, { 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; @@ -316,7 +315,7 @@ static ssize_t set_temp(struct device *dev, 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); @@ -405,8 +404,7 @@ static umode_t max6697_is_visible(struct kobject *kobj, struct attribute *attr, 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 */ @@ -489,6 +487,7 @@ static struct attribute *max6697_attributes[] = { 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) @@ -525,9 +524,9 @@ static void max6697_get_config_of(struct device_node *node, } } -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; @@ -625,6 +624,7 @@ static int max6697_probe(struct i2c_client *client, 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)) @@ -636,39 +636,17 @@ static int max6697_probe(struct i2c_client *client, 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[] = { @@ -692,7 +670,6 @@ static struct i2c_driver max6697_driver = { .name = "max6697", }, .probe = max6697_probe, - .remove = max6697_remove, .id_table = max6697_id, }; diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c index 982d8622c09b..ae00e60d856c 100644 --- a/drivers/hwmon/mc13783-adc.c +++ b/drivers/hwmon/mc13783-adc.c @@ -37,7 +37,7 @@ 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 diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 6eb03ce2cff4..cf811c1a1475 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -274,6 +274,8 @@ static const u16 NCT6775_FAN_PULSE_SHIFT[] = { 0, 0, 0, 0, 0, 0 }; static const u16 NCT6775_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; +static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 }; + static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { @@ -454,6 +456,7 @@ static const u16 NCT6779_REG_CRITICAL_PWM[] = { 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37 }; static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; +static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b }; static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 0x18, 0x152 }; static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { @@ -507,6 +510,13 @@ static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1] #define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28 +static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[6] = { 0, 0x239 }; +static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[6] = { 0, 0x23a }; +static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[6] = { 0, 0x23b }; +static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[6] = { 0, 0x23c }; +static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[6] = { 0, 0x23d }; +static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[6] = { 0, 0x23e }; + static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B, 0x568, 0x45D }; @@ -534,6 +544,7 @@ static const u16 NCT6106_REG_IN[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; +static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a }; static const u16 NCT6106_REG_TEMP_HYST[] = { 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; static const u16 NCT6106_REG_TEMP_OVER[] = { @@ -724,11 +735,8 @@ struct nct6775_data { 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 @@ -942,7 +950,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, 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); @@ -973,7 +981,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, 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) { @@ -1002,10 +1010,6 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, } } - err = sysfs_create_group(&dev->kobj, group); - if (err) - return ERR_PTR(-ENOMEM); - return group; } @@ -1314,6 +1318,9 @@ static void nct6775_update_pwm(struct device *dev) if (reg & 0x80) data->pwm[2][i] = 0; + if (!data->REG_WEIGHT_TEMP_SEL[i]) + continue; + reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); data->pwm_weight_temp_sel[i] = reg & 0x1f; /* If weight is disabled, report weight source as 0 */ @@ -1457,7 +1464,8 @@ static struct nct6775_data *nct6775_update_device(struct device *dev) = 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]); @@ -1545,7 +1553,7 @@ static int find_temp_source(struct nct6775_data *data, int index, int count) if (src == source) return nr; } - return -1; + return -ENODEV; } static ssize_t @@ -1644,7 +1652,7 @@ store_temp_beep(struct device *dev, struct device_attribute *attr, 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; @@ -2726,16 +2734,6 @@ store_fan_time(struct device *dev, struct device_attribute *attr, } 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 nct6775_data *data = nct6775_update_device(dev); @@ -2868,6 +2866,9 @@ static umode_t nct6775_pwm_is_visible(struct kobject *kobj, if (!(data->has_pwm & (1 << pwm))) return 0; + if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */ + if (!data->REG_WEIGHT_TEMP_SEL[pwm]) + return 0; if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ return 0; if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ @@ -2961,11 +2962,11 @@ static struct sensor_device_template *nct6775_attributes_pwm_template[] = { &sensor_dev_template_pwm_step_down_time, &sensor_dev_template_pwm_start, &sensor_dev_template_pwm_floor, - &sensor_dev_template_pwm_weight_temp_sel, + &sensor_dev_template_pwm_weight_temp_sel, /* 14 */ &sensor_dev_template_pwm_weight_temp_step, &sensor_dev_template_pwm_weight_temp_step_tol, &sensor_dev_template_pwm_weight_temp_step_base, - &sensor_dev_template_pwm_weight_duty_step, + &sensor_dev_template_pwm_weight_duty_step, /* 18 */ &sensor_dev_template_pwm_max, /* 19 */ &sensor_dev_template_pwm_step, /* 20 */ &sensor_dev_template_pwm_weight_duty_base, /* 21 */ @@ -3061,16 +3062,16 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj, 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; } @@ -3083,13 +3084,12 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj, * 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 }; @@ -3099,27 +3099,6 @@ static const struct attribute_group nct6775_group_other = { .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; @@ -3291,11 +3270,12 @@ static int nct6775_probe(struct platform_device *pdev) int i, s, err = 0; int src, mask, available; const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; - const u16 *reg_temp_alternate, *reg_temp_crit; + const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; - int num_reg_temp; + int num_reg_temp, num_reg_temp_mon; 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, @@ -3375,7 +3355,9 @@ static int nct6775_probe(struct platform_device *pdev) data->BEEP_BITS = NCT6106_BEEP_BITS; reg_temp = NCT6106_REG_TEMP; + reg_temp_mon = NCT6106_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); reg_temp_over = NCT6106_REG_TEMP_OVER; reg_temp_hyst = NCT6106_REG_TEMP_HYST; reg_temp_config = NCT6106_REG_TEMP_CONFIG; @@ -3447,7 +3429,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6775_REG_BEEP; reg_temp = NCT6775_REG_TEMP; + reg_temp_mon = NCT6775_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6775_REG_TEMP_CONFIG; @@ -3517,7 +3501,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6775_REG_TEMP; + reg_temp_mon = NCT6775_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6776_REG_TEMP_CONFIG; @@ -3591,7 +3577,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6779_REG_TEMP; + reg_temp_mon = NCT6779_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; @@ -3640,8 +3628,8 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_PWM[0] = NCT6775_REG_PWM; data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; + data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; + data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; @@ -3657,15 +3645,17 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; + data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; + data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; + data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; + data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6791_REG_ALARM; data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6779_REG_TEMP; + reg_temp_mon = NCT6779_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; @@ -3766,6 +3756,50 @@ static int nct6775_probe(struct platform_device *pdev) s++; } + /* + * Repeat with temperatures used for fan control. + * This set of registers does not support limits. + */ + for (i = 0; i < num_reg_temp_mon; i++) { + if (reg_temp_mon[i] == 0) + continue; + + src = nct6775_read_value(data, data->REG_TEMP_SEL[i]) & 0x1f; + if (!src || (mask & (1 << src))) + continue; + + if (src >= data->temp_label_num || + !strlen(data->temp_label[src])) { + dev_info(dev, + "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", + src, i, data->REG_TEMP_SEL[i], + reg_temp_mon[i]); + continue; + } + + mask |= 1 << src; + + /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ + if (src <= data->temp_fixed_num) { + if (data->have_temp & (1 << (src - 1))) + continue; + data->have_temp |= 1 << (src - 1); + data->have_temp_fixed |= 1 << (src - 1); + data->reg_temp[0][src - 1] = reg_temp_mon[i]; + data->temp_src[src - 1] = src; + continue; + } + + if (s >= NUM_TEMP) + continue; + + /* Use dynamic index for other sources */ + data->have_temp |= 1 << s; + data->reg_temp[0][s] = reg_temp_mon[i]; + data->temp_src[s] = src; + s++; + } + #ifdef USE_ALTERNATE /* * Go through the list of alternate temp registers and enable @@ -3870,61 +3904,36 @@ static int nct6775_probe(struct platform_device *pdev) /* 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; + if (IS_ERR(group)) + return PTR_ERR(group); - err = sysfs_create_group(&dev->kobj, &nct6775_group_other); - if (err) - goto exit_remove; + data->groups[data->num_attr_groups++] = group; + data->groups[data->num_attr_groups++] = &nct6775_group_other; - 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); - - 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 @@ -4013,7 +4022,6 @@ static struct platform_driver nct6775_driver = { .pm = NCT6775_DEV_PM_OPS, }, .probe = nct6775_probe, - .remove = nct6775_remove, }; static const char * const nct6775_sio_names[] __initconst = { @@ -4101,7 +4109,7 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) /* * 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]; diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index 6a9d6edaacb3..a26b1d1d9514 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -1,5 +1,5 @@ /* - * 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 @@ -27,7 +27,7 @@ #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 @@ -52,6 +52,11 @@ enum chips { lm25056, lm25066, lm5064, lm5066 }; #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; }; @@ -59,7 +64,7 @@ struct __coeff { #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, @@ -116,6 +121,36 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { .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, @@ -178,6 +213,7 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { struct lm25066_data { int id; + u16 rlimit; /* Maximum register value */ struct pmbus_driver_info info; }; @@ -200,6 +236,10 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) /* 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); @@ -253,6 +293,24 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) 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; @@ -308,27 +366,34 @@ static int lm25056_read_byte_data(struct i2c_client *client, int page, int reg) 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); @@ -337,7 +402,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, 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); @@ -345,7 +410,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, 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); @@ -399,9 +464,16 @@ static int lm25066_probe(struct i2c_client *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; @@ -432,6 +504,7 @@ static int lm25066_probe(struct i2c_client *client, static const struct i2c_device_id lm25066_id[] = { {"lm25056", lm25056}, + {"lm25063", lm25063}, {"lm25066", lm25066}, {"lm5064", lm5064}, {"lm5066", lm5066}, @@ -453,5 +526,5 @@ static struct i2c_driver lm25066_driver = { 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"); diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 586a89ef9e0f..de3c152a1d9a 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -1,5 +1,6 @@ /* - * 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 @@ -27,7 +28,7 @@ #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 @@ -35,7 +36,7 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #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 @@ -53,8 +54,10 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #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 @@ -363,6 +366,7 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, static const struct i2c_device_id ltc2978_id[] = { {"ltc2974", ltc2974}, + {"ltc2977", ltc2977}, {"ltc2978", ltc2978}, {"ltc3880", ltc3880}, {"ltc3883", ltc3883}, @@ -392,7 +396,10 @@ static int ltc2978_probe(struct i2c_client *client, 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; @@ -438,6 +445,7 @@ static int ltc2978_probe(struct i2c_client *client, | 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; diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 9319fcf142d9..3cbf66e9d861 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -97,6 +97,7 @@ struct pmbus_data { int max_attributes; int num_attributes; struct attribute_group group; + const struct attribute_group *groups[2]; struct pmbus_sensor *sensors; @@ -156,7 +157,7 @@ EXPORT_SYMBOL_GPL(pmbus_write_byte); /* * _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) { @@ -348,7 +349,7 @@ static struct _pmbus_status { 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; @@ -686,7 +687,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, struct pmbus_boolean *b, 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; @@ -733,7 +734,7 @@ static ssize_t pmbus_set_sensor(struct device *dev, 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; @@ -1768,22 +1769,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, 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; @@ -1794,7 +1789,6 @@ int pmbus_do_remove(struct i2c_client *client) { 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; } diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 1404e6319deb..72a889702f0d 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -141,6 +141,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c index dfe6d9527efb..7fa6e7d0b9b6 100644 --- a/drivers/hwmon/tmp401.c +++ b/drivers/hwmon/tmp401.c @@ -155,7 +155,8 @@ MODULE_DEVICE_TABLE(i2c, tmp401_id); */ 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 */ @@ -231,8 +232,8 @@ static int tmp401_update_device_reg16(struct i2c_client *client, 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; @@ -350,15 +351,12 @@ static ssize_t store_temp(struct device *dev, struct device_attribute *devattr, { 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; @@ -405,7 +403,7 @@ static ssize_t store_temp_crit_hyst(struct device *dev, struct device_attribute 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; @@ -423,8 +421,8 @@ static ssize_t store_temp_crit_hyst(struct device *dev, struct device_attribute 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)) @@ -447,8 +445,7 @@ static ssize_t reset_temp_history(struct device *dev, 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); } @@ -457,8 +454,8 @@ static ssize_t set_update_interval(struct device *dev, 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; @@ -616,10 +613,10 @@ static const struct attribute_group tmp432_group = { * 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); @@ -705,77 +702,45 @@ static int tmp401_detect(struct i2c_client *client, 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 = { @@ -784,7 +749,6 @@ 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, diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 0e7017841f7d..aee14e2192f8 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 }; */ static inline u8 FAN_TO_REG(long rpm, int div) { - if (rpm == 0) + if (rpm <= 0 || rpm > 1310720) return 0; return clamp_val(1310720 / (rpm * div), 1, 255); } diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index a3feee332e20..bdcf2dce5ec4 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -1043,7 +1043,7 @@ static struct sensor_device_attribute sda_temp_alarm[] = { 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) { diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 5febb43cb4c1..df585808adb6 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -579,7 +579,7 @@ static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 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) { diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index b0c30a546ff2..9d63d71214ca 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -808,7 +808,7 @@ show_sf_ctrl(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); @@ -1199,7 +1199,8 @@ static void w83793_init_client(struct i2c_client *client) 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); diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index edb06cda5a68..6ed76ceb9270 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -481,9 +481,11 @@ store_pwm(struct device *dev, struct device_attribute *attr, if (err) return err; val = clamp_val(val, 0, 255); + val = DIV_ROUND_CLOSEST(val, 0x11); mutex_lock(&data->update_lock); - data->pwm[nr] = val; + data->pwm[nr] = val * 0x11; + val |= w83l786ng_read_value(client, W83L786NG_REG_PWM[nr]) & 0xf0; w83l786ng_write_value(client, W83L786NG_REG_PWM[nr], val); mutex_unlock(&data->update_lock); return count; @@ -510,7 +512,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG); data->pwm_enable[nr] = val; - reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]); + reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]); reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr]; w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg); mutex_unlock(&data->update_lock); @@ -776,9 +778,10 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev) ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1; data->pwm_enable[i] = - ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1; - data->pwm[i] = w83l786ng_read_value(client, - W83L786NG_REG_PWM[i]); + ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1; + data->pwm[i] = + (w83l786ng_read_value(client, W83L786NG_REG_PWM[i]) + & 0x0f) * 0x11; } |
