X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhwmon%2Fadm1025.c;h=4db04d603ec9c7feed84b7fdeba670c480310fad;hb=a4e0d9af403d099e751797f6cc69e4a8e2d78ef1;hp=8c562885b54b031fe03746322b188a5566366d12;hpb=97d41e90fe61399b99d74820cb7f2d6e0fbac91d;p=linux-2.6 diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 8c562885b5..4db04d603e 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -2,7 +2,7 @@ * adm1025.c * * Copyright (C) 2000 Chen-Yuan Wu - * Copyright (C) 2003-2004 Jean Delvare + * Copyright (C) 2003-2008 Jean Delvare * * The ADM1025 is a sensor chip made by Analog Devices. It reports up to 6 * voltages (including its own power source) and up to two temperatures @@ -51,6 +51,7 @@ #include #include #include +#include #include #include #include @@ -61,7 +62,7 @@ * NE1619 has two possible addresses: 0x2c and 0x2d. */ -static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* * Insmod parameters @@ -74,7 +75,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619); */ #define ADM1025_REG_MAN_ID 0x3E -#define ADM1025_REG_CHIP_ID 0x3F +#define ADM1025_REG_CHIP_ID 0x3F #define ADM1025_REG_CONFIG 0x40 #define ADM1025_REG_STATUS1 0x41 #define ADM1025_REG_STATUS2 0x42 @@ -92,7 +93,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619); * The ADM1025 uses signed 8-bit values for temperatures. */ -static int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; +static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; #define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192) #define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \ @@ -108,23 +109,35 @@ static int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; * Functions declaration */ -static int adm1025_attach_adapter(struct i2c_adapter *adapter); -static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind); +static int adm1025_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adm1025_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); static void adm1025_init_client(struct i2c_client *client); -static int adm1025_detach_client(struct i2c_client *client); +static int adm1025_remove(struct i2c_client *client); static struct adm1025_data *adm1025_update_device(struct device *dev); /* * Driver data (common to all clients) */ +static const struct i2c_device_id adm1025_id[] = { + { "adm1025", adm1025 }, + { "ne1619", ne1619 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adm1025_id); + static struct i2c_driver adm1025_driver = { + .class = I2C_CLASS_HWMON, .driver = { .name = "adm1025", }, - .id = I2C_DRIVERID_ADM1025, - .attach_adapter = adm1025_attach_adapter, - .detach_client = adm1025_detach_client, + .probe = adm1025_probe, + .remove = adm1025_remove, + .id_table = adm1025_id, + .detect = adm1025_detect, + .address_data = &addr_data, }; /* @@ -132,8 +145,7 @@ static struct i2c_driver adm1025_driver = { */ struct adm1025_data { - struct i2c_client client; - struct class_device *class_dev; + struct device *hwmon_dev; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -153,86 +165,96 @@ struct adm1025_data { * Sysfs stuff */ -#define show_in(offset) \ -static ssize_t show_in##offset(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ - in_scale[offset])); \ -} \ -static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ - in_scale[offset])); \ -} \ -static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ - in_scale[offset])); \ -} \ -static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); -show_in(0); -show_in(1); -show_in(2); -show_in(3); -show_in(4); -show_in(5); - -#define show_temp(offset) \ -static ssize_t show_temp##offset(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ -} \ -static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \ -} \ -static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct adm1025_data *data = adm1025_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \ -}\ -static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp##offset, NULL); -show_temp(1); -show_temp(2); +static ssize_t +show_in(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%u\n", IN_FROM_REG(data->in[index], + in_scale[index])); +} + +static ssize_t +show_in_min(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[index], + in_scale[index])); +} + +static ssize_t +show_in_max(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[index], + in_scale[index])); +} + +static ssize_t +show_temp(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[index])); +} + +static ssize_t +show_temp_min(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[index])); +} + +static ssize_t +show_temp_max(struct device *dev, struct device_attribute *attr, char *buf) +{ + int index = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[index])); +} + +static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1025_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->in_min[index] = IN_TO_REG(val, in_scale[index]); + i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(index), + data->in_min[index]); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1025_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->in_max[index] = IN_TO_REG(val, in_scale[index]); + i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(index), + data->in_max[index]); + mutex_unlock(&data->update_lock); + return count; +} #define set_in(offset) \ -static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm1025_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - mutex_lock(&data->update_lock); \ - data->in_min[offset] = IN_TO_REG(val, in_scale[offset]); \ - i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(offset), \ - data->in_min[offset]); \ - mutex_unlock(&data->update_lock); \ - return count; \ -} \ -static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm1025_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - mutex_lock(&data->update_lock); \ - data->in_max[offset] = IN_TO_REG(val, in_scale[offset]); \ - i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(offset), \ - data->in_max[offset]); \ - mutex_unlock(&data->update_lock); \ - return count; \ -} \ -static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \ - show_in##offset##_min, set_in##offset##_min); \ -static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \ - show_in##offset##_max, set_in##offset##_max); +static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ + show_in, NULL, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \ + show_in_min, set_in_min, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \ + show_in_max, set_in_max, offset) set_in(0); set_in(1); set_in(2); @@ -240,65 +262,91 @@ set_in(3); set_in(4); set_in(5); +static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1025_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->temp_min[index] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(index), + data->temp_min[index]); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1025_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + data->temp_max[index] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(index), + data->temp_max[index]); + mutex_unlock(&data->update_lock); + return count; +} + #define set_temp(offset) \ -static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm1025_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - mutex_lock(&data->update_lock); \ - data->temp_min[offset-1] = TEMP_TO_REG(val); \ - i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(offset-1), \ - data->temp_min[offset-1]); \ - mutex_unlock(&data->update_lock); \ - return count; \ -} \ -static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm1025_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - mutex_lock(&data->update_lock); \ - data->temp_max[offset-1] = TEMP_TO_REG(val); \ - i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(offset-1), \ - data->temp_max[offset-1]); \ - mutex_unlock(&data->update_lock); \ - return count; \ -} \ -static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ - show_temp##offset##_min, set_temp##offset##_min); \ -static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ - show_temp##offset##_max, set_temp##offset##_max); +static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ + show_temp, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ + show_temp_min, set_temp_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ + show_temp_max, set_temp_max, offset - 1) set_temp(1); set_temp(2); -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t +show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); -static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t +show_alarm(struct device *dev, struct device_attribute *attr, char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct adm1025_data *data = adm1025_update_device(dev); + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14); + +static ssize_t +show_vid(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); } static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); -static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t +show_vrm(struct device *dev, struct device_attribute *attr, char *buf) { - struct adm1025_data *data = adm1025_update_device(dev); + struct adm1025_data *data = dev_get_drvdata(dev); return sprintf(buf, "%u\n", data->vrm); } -static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct adm1025_data *data = i2c_get_clientdata(client); + struct adm1025_data *data = dev_get_drvdata(dev); data->vrm = simple_strtoul(buf, NULL, 10); return count; } @@ -308,35 +356,36 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); * Real code */ -static int adm1025_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, adm1025_detect); -} - static struct attribute *adm1025_attributes[] = { - &dev_attr_in0_input.attr, - &dev_attr_in1_input.attr, - &dev_attr_in2_input.attr, - &dev_attr_in3_input.attr, - &dev_attr_in5_input.attr, - &dev_attr_in0_min.attr, - &dev_attr_in1_min.attr, - &dev_attr_in2_min.attr, - &dev_attr_in3_min.attr, - &dev_attr_in5_min.attr, - &dev_attr_in0_max.attr, - &dev_attr_in1_max.attr, - &dev_attr_in2_max.attr, - &dev_attr_in3_max.attr, - &dev_attr_in5_max.attr, - &dev_attr_temp1_input.attr, - &dev_attr_temp2_input.attr, - &dev_attr_temp1_min.attr, - &dev_attr_temp2_min.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp2_max.attr, + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_fault.dev_attr.attr, &dev_attr_alarms.attr, &dev_attr_cpu0_vid.attr, &dev_attr_vrm.attr, @@ -347,45 +396,28 @@ static const struct attribute_group adm1025_group = { .attrs = adm1025_attributes, }; -static struct attribute *adm1025_attributes_opt[] = { - &dev_attr_in4_input.attr, - &dev_attr_in4_min.attr, - &dev_attr_in4_max.attr, +static struct attribute *adm1025_attributes_in4[] = { + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, NULL }; -static const struct attribute_group adm1025_group_opt = { - .attrs = adm1025_attributes_opt, +static const struct attribute_group adm1025_group_in4 = { + .attrs = adm1025_attributes_in4, }; -/* - * The following function does more than just detection. If detection - * succeeds, it also registers the new chip. - */ -static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adm1025_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) { - struct i2c_client *new_client; - struct adm1025_data *data; - int err = 0; + struct i2c_adapter *adapter = client->adapter; const char *name = ""; u8 config; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - goto exit; - - if (!(data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL))) { - err = -ENOMEM; - goto exit; - } - - /* The common I2C client data is placed right before the - ADM1025-specific data. */ - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &adm1025_driver; - new_client->flags = 0; + return -ENODEV; /* * Now we do the remaining detection. A negative kind means that @@ -397,35 +429,33 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) * requested, so both the detection and the identification steps * are skipped. */ - config = i2c_smbus_read_byte_data(new_client, ADM1025_REG_CONFIG); + config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG); if (kind < 0) { /* detection */ if ((config & 0x80) != 0x00 - || (i2c_smbus_read_byte_data(new_client, + || (i2c_smbus_read_byte_data(client, ADM1025_REG_STATUS1) & 0xC0) != 0x00 - || (i2c_smbus_read_byte_data(new_client, + || (i2c_smbus_read_byte_data(client, ADM1025_REG_STATUS2) & 0xBC) != 0x00) { dev_dbg(&adapter->dev, "ADM1025 detection failed at 0x%02x.\n", - address); - goto exit_free; + client->addr); + return -ENODEV; } } if (kind <= 0) { /* identification */ u8 man_id, chip_id; - man_id = i2c_smbus_read_byte_data(new_client, - ADM1025_REG_MAN_ID); - chip_id = i2c_smbus_read_byte_data(new_client, - ADM1025_REG_CHIP_ID); - + man_id = i2c_smbus_read_byte_data(client, ADM1025_REG_MAN_ID); + chip_id = i2c_smbus_read_byte_data(client, ADM1025_REG_CHIP_ID); + if (man_id == 0x41) { /* Analog Devices */ if ((chip_id & 0xF0) == 0x20) { /* ADM1025/ADM1025A */ kind = adm1025; } } else if (man_id == 0xA1) { /* Philips */ - if (address != 0x2E + if (client->addr != 0x2E && (chip_id & 0xF0) == 0x20) { /* NE1619 */ kind = ne1619; } @@ -435,7 +465,7 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) dev_info(&adapter->dev, "Unsupported chip (man_id=0x%02X, " "chip_id=0x%02X).\n", man_id, chip_id); - goto exit_free; + return -ENODEV; } } @@ -444,47 +474,53 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) } else if (kind == ne1619) { name = "ne1619"; } + strlcpy(info->type, name, I2C_NAME_SIZE); - /* We can fill in the remaining client fields */ - strlcpy(new_client->name, name, I2C_NAME_SIZE); - data->valid = 0; - mutex_init(&data->update_lock); + return 0; +} - /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) - goto exit_free; +static int adm1025_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adm1025_data *data; + int err; + u8 config; + + data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); /* Initialize the ADM1025 chip */ - adm1025_init_client(new_client); + adm1025_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1025_group))) - goto exit_detach; + if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group))) + goto exit_free; /* Pin 11 is either in4 (+12V) or VID4 */ + config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG); if (!(config & 0x20)) { - if ((err = device_create_file(&new_client->dev, - &dev_attr_in4_input)) - || (err = device_create_file(&new_client->dev, - &dev_attr_in4_min)) - || (err = device_create_file(&new_client->dev, - &dev_attr_in4_max))) + if ((err = sysfs_create_group(&client->dev.kobj, + &adm1025_group_in4))) goto exit_remove; } - data->class_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); goto exit_remove; } return 0; exit_remove: - sysfs_remove_group(&new_client->dev.kobj, &adm1025_group); - sysfs_remove_group(&new_client->dev.kobj, &adm1025_group_opt); -exit_detach: - i2c_detach_client(new_client); + sysfs_remove_group(&client->dev.kobj, &adm1025_group); + sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4); exit_free: kfree(data); exit: @@ -533,17 +569,13 @@ static void adm1025_init_client(struct i2c_client *client) (reg&0x7E)|0x01); } -static int adm1025_detach_client(struct i2c_client *client) +static int adm1025_remove(struct i2c_client *client) { struct adm1025_data *data = i2c_get_clientdata(client); - int err; - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &adm1025_group); - sysfs_remove_group(&client->dev.kobj, &adm1025_group_opt); - - if ((err = i2c_detach_client(client))) - return err; + sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4); kfree(data); return 0;