diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/smsc47m1.c | 78 | ||||
| -rw-r--r-- | drivers/hwmon/smsc47m192.c | 150 |
2 files changed, 145 insertions, 83 deletions
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 9cd28f2709f..47132fd26b1 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -35,6 +35,7 @@ #include <linux/err.h> #include <linux/init.h> #include <linux/mutex.h> +#include <linux/sysfs.h> #include <asm/io.h> /* Address is autodetected, there is no default value */ @@ -347,6 +348,30 @@ fan_present(2); static DEVICE_ATTR(alarms, S_IRUGO, get_alarms, NULL); +/* Almost all sysfs files may or may not be created depending on the chip + setup so we create them individually. It is still convenient to define a + group to remove them all at once. */ +static struct attribute *smsc47m1_attributes[] = { + &dev_attr_fan1_input.attr, + &dev_attr_fan1_min.attr, + &dev_attr_fan1_div.attr, + &dev_attr_fan2_input.attr, + &dev_attr_fan2_min.attr, + &dev_attr_fan2_div.attr, + + &dev_attr_pwm1.attr, + &dev_attr_pwm1_enable.attr, + &dev_attr_pwm2.attr, + &dev_attr_pwm2_enable.attr, + + &dev_attr_alarms.attr, + NULL +}; + +static const struct attribute_group smsc47m1_group = { + .attrs = smsc47m1_attributes, +}; + static int __init smsc47m1_find(unsigned short *addr) { u8 val; @@ -447,46 +472,62 @@ static int smsc47m1_detect(struct i2c_adapter *adapter) smsc47m1_update_device(&new_client->dev, 1); /* Register sysfs hooks */ - data->class_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); - goto error_detach; - } - if (fan1) { - device_create_file(&new_client->dev, &dev_attr_fan1_input); - device_create_file(&new_client->dev, &dev_attr_fan1_min); - device_create_file(&new_client->dev, &dev_attr_fan1_div); + if ((err = device_create_file(&new_client->dev, + &dev_attr_fan1_input)) + || (err = device_create_file(&new_client->dev, + &dev_attr_fan1_min)) + || (err = device_create_file(&new_client->dev, + &dev_attr_fan1_div))) + goto error_remove_files; } else dev_dbg(&new_client->dev, "Fan 1 not enabled by hardware, " "skipping\n"); if (fan2) { - device_create_file(&new_client->dev, &dev_attr_fan2_input); - device_create_file(&new_client->dev, &dev_attr_fan2_min); - device_create_file(&new_client->dev, &dev_attr_fan2_div); + if ((err = device_create_file(&new_client->dev, + &dev_attr_fan2_input)) + || (err = device_create_file(&new_client->dev, + &dev_attr_fan2_min)) + || (err = device_create_file(&new_client->dev, + &dev_attr_fan2_div))) + goto error_remove_files; } else dev_dbg(&new_client->dev, "Fan 2 not enabled by hardware, " "skipping\n"); if (pwm1) { - device_create_file(&new_client->dev, &dev_attr_pwm1); - device_create_file(&new_client->dev, &dev_attr_pwm1_enable); + if ((err = device_create_file(&new_client->dev, + &dev_attr_pwm1)) + || (err = device_create_file(&new_client->dev, + &dev_attr_pwm1_enable))) + goto error_remove_files; } else dev_dbg(&new_client->dev, "PWM 1 not enabled by hardware, " "skipping\n"); if (pwm2) { - device_create_file(&new_client->dev, &dev_attr_pwm2); - device_create_file(&new_client->dev, &dev_attr_pwm2_enable); + if ((err = device_create_file(&new_client->dev, + &dev_attr_pwm2)) + || (err = device_create_file(&new_client->dev, + &dev_attr_pwm2_enable))) + goto error_remove_files; } else dev_dbg(&new_client->dev, "PWM 2 not enabled by hardware, " "skipping\n"); - device_create_file(&new_client->dev, &dev_attr_alarms); + if ((err = device_create_file(&new_client->dev, &dev_attr_alarms))) + goto error_remove_files; + + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto error_remove_files; + } return 0; -error_detach: +error_remove_files: + sysfs_remove_group(&new_client->dev.kobj, &smsc47m1_group); i2c_detach_client(new_client); error_free: kfree(data); @@ -501,6 +542,7 @@ static int smsc47m1_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &smsc47m1_group); if ((err = i2c_detach_client(client))) return err; diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index bdc4570acf9..a6833f43739 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -30,6 +30,7 @@ #include <linux/hwmon-sysfs.h> #include <linux/hwmon-vid.h> #include <linux/err.h> +#include <linux/sysfs.h> /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; @@ -370,6 +371,75 @@ static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 0x0200); static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 0x0400); static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 0x0800); +static struct attribute *smsc47m192_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_in0_alarm.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_in1_alarm.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_in2_alarm.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_in3_alarm.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, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_offset.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp2_offset.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_input_fault.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp3_offset.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_input_fault.dev_attr.attr, + + &dev_attr_cpu0_vid.attr, + &dev_attr_vrm.attr, + NULL +}; + +static const struct attribute_group smsc47m192_group = { + .attrs = smsc47m192_attributes, +}; + +static struct attribute *smsc47m192_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 smsc47m192_group_in4 = { + .attrs = smsc47m192_attributes_in4, +}; + /* This function is called when: * smsc47m192_driver is inserted (when this module is loaded), for each available adapter @@ -471,80 +541,28 @@ static int smsc47m192_detect(struct i2c_adapter *adapter, int address, smsc47m192_init_client(client); /* Register sysfs hooks */ - data->class_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + if ((err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group))) goto exit_detach; - } - - device_create_file(&client->dev, &sensor_dev_attr_in0_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in0_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in0_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in0_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in1_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in1_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in1_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in1_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in2_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in2_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in2_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in2_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in3_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in3_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in3_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in3_alarm.dev_attr); /* Pin 110 is either in4 (+12V) or VID4 */ config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG); if (!(config & 0x20)) { - device_create_file(&client->dev, - &sensor_dev_attr_in4_input.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_in4_min.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_in4_max.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_in4_alarm.dev_attr); + if ((err = sysfs_create_group(&client->dev.kobj, + &smsc47m192_group_in4))) + goto exit_remove_files; + } + + data->class_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_remove_files; } - device_create_file(&client->dev, &sensor_dev_attr_in5_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in5_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in5_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in5_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in6_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in6_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in6_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in6_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in7_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in7_min.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in7_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_in7_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp1_min.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_temp1_offset.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp1_alarm.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp2_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp2_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp2_min.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_temp2_offset.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp2_alarm.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_temp2_input_fault.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp3_input.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp3_max.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp3_min.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_temp3_offset.dev_attr); - device_create_file(&client->dev, &sensor_dev_attr_temp3_alarm.dev_attr); - device_create_file(&client->dev, - &sensor_dev_attr_temp3_input_fault.dev_attr); - device_create_file(&client->dev, &dev_attr_cpu0_vid); - device_create_file(&client->dev, &dev_attr_vrm); return 0; +exit_remove_files: + sysfs_remove_group(&client->dev.kobj, &smsc47m192_group); + sysfs_remove_group(&client->dev.kobj, &smsc47m192_group_in4); exit_detach: i2c_detach_client(client); exit_free: @@ -559,6 +577,8 @@ static int smsc47m192_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &smsc47m192_group); + sysfs_remove_group(&client->dev.kobj, &smsc47m192_group_in4); if ((err = i2c_detach_client(client))) return err; |