X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fadm9240.c;h=aad594adf0c726ab220967562ae89d99e5c0937d;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=5ddc22fea4a37e665180a3591a680e0c5f62f0c0;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index 5ddc22fea..aad594adf 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -5,7 +5,7 @@ * Copyright (C) 1999 Frodo Looijaard * Philip Edelbrock * Copyright (C) 2003 Michiel Rook - * Copyright (C) 2005 Grant Coady with valuable + * Copyright (C) 2005 Grant Coady with valuable * guidance from Jean Delvare * * Driver supports Analog Devices ADM9240 @@ -49,6 +49,7 @@ #include #include #include +#include /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, @@ -150,7 +151,7 @@ struct adm9240_data { enum chips type; struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; char valid; unsigned long last_updated_measure; unsigned long last_updated_config; @@ -195,11 +196,11 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr, struct adm9240_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_max[attr->index] = TEMP_TO_REG(val); i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index), data->temp_max[attr->index]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -246,11 +247,11 @@ static ssize_t set_in_min(struct device *dev, struct adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_min[attr->index] = IN_TO_REG(val, attr->index); i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index), data->in_min[attr->index]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -263,11 +264,11 @@ static ssize_t set_in_max(struct device *dev, struct adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->in_max[attr->index] = IN_TO_REG(val, attr->index); i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index), data->in_max[attr->index]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -350,7 +351,7 @@ static ssize_t set_fan_min(struct device *dev, int nr = attr->index; u8 new_div; - down(&data->update_lock); + mutex_lock(&data->update_lock); if (!val) { data->fan_min[nr] = 255; @@ -390,7 +391,7 @@ static ssize_t set_fan_min(struct device *dev, i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr), data->fan_min[nr]); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -439,10 +440,10 @@ static ssize_t set_aout(struct device *dev, struct adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->aout = AOUT_TO_REG(val); i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); @@ -464,6 +465,45 @@ static ssize_t chassis_clear(struct device *dev, } static DEVICE_ATTR(chassis_clear, S_IWUSR, NULL, chassis_clear); +static struct attribute *adm9240_attributes[] = { + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &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_in5_input.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &dev_attr_temp1_input.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &dev_attr_alarms.attr, + &dev_attr_aout_output.attr, + &dev_attr_chassis_clear.attr, + &dev_attr_cpu0_vid.attr, + NULL +}; + +static const struct attribute_group adm9240_group = { + .attrs = adm9240_attributes, +}; + /*** sensor chip detect and driver install ***/ @@ -539,7 +579,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) /* fill in the remaining client fields and attach */ strlcpy(new_client->name, name, I2C_NAME_SIZE); data->type = kind; - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); if ((err = i2c_attach_client(new_client))) goto exit_free; @@ -547,72 +587,19 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) adm9240_init_client(new_client); /* populate sysfs filesystem */ + if ((err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group))) + goto exit_detach; + data->class_dev = hwmon_device_register(&new_client->dev); if (IS_ERR(data->class_dev)) { err = PTR_ERR(data->class_dev); - goto exit_detach; + goto exit_remove; } - device_create_file(&new_client->dev, - &sensor_dev_attr_in0_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in0_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in0_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in1_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in1_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in2_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in2_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in2_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in3_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in3_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in3_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in4_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in4_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in4_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in5_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in5_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_in5_max.dev_attr); - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max_hyst.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_div.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan2_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan2_div.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan2_min.dev_attr); - device_create_file(&new_client->dev, &dev_attr_alarms); - device_create_file(&new_client->dev, &dev_attr_aout_output); - device_create_file(&new_client->dev, &dev_attr_chassis_clear); - device_create_file(&new_client->dev, &dev_attr_cpu0_vid); - return 0; +exit_remove: + sysfs_remove_group(&new_client->dev.kobj, &adm9240_group); exit_detach: i2c_detach_client(new_client); exit_free: @@ -634,6 +621,7 @@ static int adm9240_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &adm9240_group); if ((err = i2c_detach_client(client))) return err; @@ -691,7 +679,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev) struct adm9240_data *data = i2c_get_clientdata(client); int i; - down(&data->update_lock); + mutex_lock(&data->update_lock); /* minimum measurement cycle: 1.75 seconds */ if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4)) @@ -771,7 +759,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev) data->last_updated_config = jiffies; data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } @@ -786,7 +774,7 @@ static void __exit sensors_adm9240_exit(void) } MODULE_AUTHOR("Michiel Rook , " - "Grant Coady and others"); + "Grant Coady and others"); MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver"); MODULE_LICENSE("GPL");