X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fadm1031.c;h=122683fc91d096f271e3a372f17b5c8d51bfd2cb;hb=refs%2Fheads%2Fvserver;hp=d0639796608140276f1f67b39652de0c4b1e5a76;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index d06397966..122683fc9 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -28,6 +28,7 @@ #include #include #include +#include /* Following macros takes channel parameter starting from 0 to 2 */ #define ADM1031_REG_FAN_SPEED(nr) (0x08 + (nr)) @@ -70,7 +71,7 @@ typedef u8 auto_chan_table_t[8][2]; struct adm1031_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; int chip_type; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -262,10 +263,10 @@ set_fan_auto_channel(struct device *dev, const char *buf, size_t count, int nr) old_fan_mode = data->conf1; - down(&data->update_lock); + mutex_lock(&data->update_lock); if ((ret = get_fan_auto_nearest(data, nr, val, data->conf1, ®))) { - up(&data->update_lock); + mutex_unlock(&data->update_lock); return ret; } if (((data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1)) & ADM1031_CONF1_AUTO_MODE) ^ @@ -288,7 +289,7 @@ set_fan_auto_channel(struct device *dev, const char *buf, size_t count, int nr) } data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1); adm1031_write_value(client, ADM1031_REG_CONF1, data->conf1); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -329,11 +330,11 @@ set_auto_temp_min(struct device *dev, const char *buf, size_t count, int nr) struct adm1031_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]); adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr), data->auto_temp[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } static ssize_t show_auto_temp_max(struct device *dev, char *buf, int nr) @@ -349,11 +350,11 @@ set_auto_temp_max(struct device *dev, const char *buf, size_t count, int nr) struct adm1031_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]); adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr), data->temp_max[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -405,11 +406,11 @@ set_pwm(struct device *dev, const char *buf, size_t count, int nr) int val = simple_strtol(buf, NULL, 10); int reg; - down(&data->update_lock); + mutex_lock(&data->update_lock); if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) && (((val>>4) & 0xf) != 5)) { /* In automatic mode, the only PWM accepted is 33% */ - up(&data->update_lock); + mutex_unlock(&data->update_lock); return -EINVAL; } data->pwm[nr] = PWM_TO_REG(val); @@ -417,7 +418,7 @@ set_pwm(struct device *dev, const char *buf, size_t count, int nr) adm1031_write_value(client, ADM1031_REG_PWM, nr ? ((data->pwm[nr] << 4) & 0xf0) | (reg & 0xf) : (data->pwm[nr] & 0xf) | (reg & 0xf0)); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -511,7 +512,7 @@ set_fan_min(struct device *dev, const char *buf, size_t count, int nr) struct adm1031_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); if (val) { data->fan_min[nr] = FAN_TO_REG(val, FAN_DIV_FROM_REG(data->fan_div[nr])); @@ -519,7 +520,7 @@ set_fan_min(struct device *dev, const char *buf, size_t count, int nr) data->fan_min[nr] = 0xff; } adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr), data->fan_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } static ssize_t @@ -540,7 +541,7 @@ set_fan_div(struct device *dev, const char *buf, size_t count, int nr) if (tmp == 0xff) return -EINVAL; - down(&data->update_lock); + mutex_lock(&data->update_lock); old_div = FAN_DIV_FROM_REG(data->fan_div[nr]); data->fan_div[nr] = (tmp & 0xC0) | (0x3f & data->fan_div[nr]); new_min = data->fan_min[nr] * old_div / @@ -553,7 +554,7 @@ set_fan_div(struct device *dev, const char *buf, size_t count, int nr) data->fan_div[nr]); adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr), data->fan_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -627,11 +628,11 @@ set_temp_min(struct device *dev, const char *buf, size_t count, int nr) val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr), data->temp_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } static ssize_t @@ -643,11 +644,11 @@ set_temp_max(struct device *dev, const char *buf, size_t count, int nr) val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr), data->temp_max[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } static ssize_t @@ -659,11 +660,11 @@ set_temp_crit(struct device *dev, const char *buf, size_t count, int nr) val = simple_strtol(buf, NULL, 10); val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_crit[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr), data->temp_crit[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -729,6 +730,61 @@ static int adm1031_attach_adapter(struct i2c_adapter *adapter) return i2c_probe(adapter, &addr_data, adm1031_detect); } +static struct attribute *adm1031_attributes[] = { + &dev_attr_fan1_input.attr, + &dev_attr_fan1_div.attr, + &dev_attr_fan1_min.attr, + &dev_attr_pwm1.attr, + &dev_attr_auto_fan1_channel.attr, + &dev_attr_temp1_input.attr, + &dev_attr_temp1_min.attr, + &dev_attr_temp1_max.attr, + &dev_attr_temp1_crit.attr, + &dev_attr_temp2_input.attr, + &dev_attr_temp2_min.attr, + &dev_attr_temp2_max.attr, + &dev_attr_temp2_crit.attr, + + &dev_attr_auto_temp1_off.attr, + &dev_attr_auto_temp1_min.attr, + &dev_attr_auto_temp1_max.attr, + + &dev_attr_auto_temp2_off.attr, + &dev_attr_auto_temp2_min.attr, + &dev_attr_auto_temp2_max.attr, + + &dev_attr_auto_fan1_min_pwm.attr, + + &dev_attr_alarms.attr, + + NULL +}; + +static const struct attribute_group adm1031_group = { + .attrs = adm1031_attributes, +}; + +static struct attribute *adm1031_attributes_opt[] = { + &dev_attr_fan2_input.attr, + &dev_attr_fan2_div.attr, + &dev_attr_fan2_min.attr, + &dev_attr_pwm2.attr, + &dev_attr_auto_fan2_channel.attr, + &dev_attr_temp3_input.attr, + &dev_attr_temp3_min.attr, + &dev_attr_temp3_max.attr, + &dev_attr_temp3_crit.attr, + &dev_attr_auto_temp3_off.attr, + &dev_attr_auto_temp3_min.attr, + &dev_attr_auto_temp3_max.attr, + &dev_attr_auto_fan2_min_pwm.attr, + NULL +}; + +static const struct attribute_group adm1031_group_opt = { + .attrs = adm1031_attributes_opt, +}; + /* This function is called by i2c_probe */ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) { @@ -778,7 +834,7 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) strlcpy(new_client->name, name, I2C_NAME_SIZE); data->valid = 0; - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) @@ -788,57 +844,26 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) adm1031_init_client(new_client); /* Register sysfs hooks */ - data->class_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1031_group))) goto exit_detach; - } - - device_create_file(&new_client->dev, &dev_attr_fan1_input); - device_create_file(&new_client->dev, &dev_attr_fan1_div); - device_create_file(&new_client->dev, &dev_attr_fan1_min); - device_create_file(&new_client->dev, &dev_attr_pwm1); - device_create_file(&new_client->dev, &dev_attr_auto_fan1_channel); - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp1_min); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp1_crit); - device_create_file(&new_client->dev, &dev_attr_temp2_input); - device_create_file(&new_client->dev, &dev_attr_temp2_min); - device_create_file(&new_client->dev, &dev_attr_temp2_max); - device_create_file(&new_client->dev, &dev_attr_temp2_crit); - - device_create_file(&new_client->dev, &dev_attr_auto_temp1_off); - device_create_file(&new_client->dev, &dev_attr_auto_temp1_min); - device_create_file(&new_client->dev, &dev_attr_auto_temp1_max); - - device_create_file(&new_client->dev, &dev_attr_auto_temp2_off); - device_create_file(&new_client->dev, &dev_attr_auto_temp2_min); - device_create_file(&new_client->dev, &dev_attr_auto_temp2_max); - - device_create_file(&new_client->dev, &dev_attr_auto_fan1_min_pwm); - - device_create_file(&new_client->dev, &dev_attr_alarms); if (kind == adm1031) { - device_create_file(&new_client->dev, &dev_attr_fan2_input); - device_create_file(&new_client->dev, &dev_attr_fan2_div); - device_create_file(&new_client->dev, &dev_attr_fan2_min); - device_create_file(&new_client->dev, &dev_attr_pwm2); - device_create_file(&new_client->dev, - &dev_attr_auto_fan2_channel); - device_create_file(&new_client->dev, &dev_attr_temp3_input); - device_create_file(&new_client->dev, &dev_attr_temp3_min); - device_create_file(&new_client->dev, &dev_attr_temp3_max); - device_create_file(&new_client->dev, &dev_attr_temp3_crit); - device_create_file(&new_client->dev, &dev_attr_auto_temp3_off); - device_create_file(&new_client->dev, &dev_attr_auto_temp3_min); - device_create_file(&new_client->dev, &dev_attr_auto_temp3_max); - device_create_file(&new_client->dev, &dev_attr_auto_fan2_min_pwm); + if ((err = sysfs_create_group(&new_client->dev.kobj, + &adm1031_group_opt))) + goto exit_remove; + } + + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_remove; } return 0; +exit_remove: + sysfs_remove_group(&new_client->dev.kobj, &adm1031_group); + sysfs_remove_group(&new_client->dev.kobj, &adm1031_group_opt); exit_detach: i2c_detach_client(new_client); exit_free: @@ -853,6 +878,8 @@ static int adm1031_detach_client(struct i2c_client *client) int ret; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &adm1031_group); + sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt); if ((ret = i2c_detach_client(client)) != 0) { return ret; } @@ -891,7 +918,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev) struct adm1031_data *data = i2c_get_clientdata(client); int chan; - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { @@ -965,7 +992,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; }