diff options
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 87 |
1 files changed, 47 insertions, 40 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 766bd25d3376..504385b1f211 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -198,6 +198,7 @@ struct acpi_thermal { }; static const struct file_operations acpi_thermal_state_fops = { + .owner = THIS_MODULE, .open = acpi_thermal_state_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -205,6 +206,7 @@ static const struct file_operations acpi_thermal_state_fops = { }; static const struct file_operations acpi_thermal_temp_fops = { + .owner = THIS_MODULE, .open = acpi_thermal_temp_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -212,6 +214,7 @@ static const struct file_operations acpi_thermal_temp_fops = { }; static const struct file_operations acpi_thermal_trip_fops = { + .owner = THIS_MODULE, .open = acpi_thermal_trip_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -219,6 +222,7 @@ static const struct file_operations acpi_thermal_trip_fops = { }; static const struct file_operations acpi_thermal_cooling_fops = { + .owner = THIS_MODULE, .open = acpi_thermal_cooling_open_fs, .read = seq_read, .write = acpi_thermal_write_cooling_mode, @@ -227,6 +231,7 @@ static const struct file_operations acpi_thermal_cooling_fops = { }; static const struct file_operations acpi_thermal_polling_fops = { + .owner = THIS_MODULE, .open = acpi_thermal_polling_open_fs, .read = seq_read, .write = acpi_thermal_write_polling, @@ -884,10 +889,15 @@ static void acpi_thermal_check(void *data) static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) { struct acpi_thermal *tz = thermal->devdata; + int result; if (!tz) return -EINVAL; + result = acpi_thermal_get_temperature(tz); + if (result) + return result; + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature)); } @@ -1012,6 +1022,18 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, return -EINVAL; } +static int thermal_get_crit_temp(struct thermal_zone_device *thermal, + unsigned long *temperature) { + struct acpi_thermal *tz = thermal->devdata; + + if (tz->trips.critical.flags.valid) { + *temperature = KELVIN_TO_MILLICELSIUS( + tz->trips.critical.temperature); + return 0; + } else + return -EINVAL; +} + typedef int (*cb)(struct thermal_zone_device *, int, struct thermal_cooling_device *); static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, @@ -1103,6 +1125,7 @@ static struct thermal_zone_device_ops acpi_thermal_zone_ops = { .set_mode = thermal_set_mode, .get_trip_type = thermal_get_trip_type, .get_trip_temp = thermal_get_trip_temp, + .get_crit_temp = thermal_get_crit_temp, }; static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) @@ -1123,7 +1146,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++, trips++); - tz->thermal_zone = thermal_zone_device_register("ACPI thermal zone", + tz->thermal_zone = thermal_zone_device_register("acpitz", trips, tz, &acpi_thermal_zone_ops); if (IS_ERR(tz->thermal_zone)) return -ENODEV; @@ -1419,63 +1442,47 @@ static int acpi_thermal_add_fs(struct acpi_device *device) } /* 'state' [R] */ - entry = create_proc_entry(ACPI_THERMAL_FILE_STATE, - S_IRUGO, acpi_device_dir(device)); + entry = proc_create_data(ACPI_THERMAL_FILE_STATE, + S_IRUGO, acpi_device_dir(device), + &acpi_thermal_state_fops, + acpi_driver_data(device)); if (!entry) return -ENODEV; - else { - entry->proc_fops = &acpi_thermal_state_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } /* 'temperature' [R] */ - entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE, - S_IRUGO, acpi_device_dir(device)); + entry = proc_create_data(ACPI_THERMAL_FILE_TEMPERATURE, + S_IRUGO, acpi_device_dir(device), + &acpi_thermal_temp_fops, + acpi_driver_data(device)); if (!entry) return -ENODEV; - else { - entry->proc_fops = &acpi_thermal_temp_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } /* 'trip_points' [R] */ - entry = create_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS, - S_IRUGO, - acpi_device_dir(device)); + entry = proc_create_data(ACPI_THERMAL_FILE_TRIP_POINTS, + S_IRUGO, + acpi_device_dir(device), + &acpi_thermal_trip_fops, + acpi_driver_data(device)); if (!entry) return -ENODEV; - else { - entry->proc_fops = &acpi_thermal_trip_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } /* 'cooling_mode' [R/W] */ - entry = create_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE, - S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device)); + entry = proc_create_data(ACPI_THERMAL_FILE_COOLING_MODE, + S_IFREG | S_IRUGO | S_IWUSR, + acpi_device_dir(device), + &acpi_thermal_cooling_fops, + acpi_driver_data(device)); if (!entry) return -ENODEV; - else { - entry->proc_fops = &acpi_thermal_cooling_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } /* 'polling_frequency' [R/W] */ - entry = create_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ, - S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device)); + entry = proc_create_data(ACPI_THERMAL_FILE_POLLING_FREQ, + S_IFREG | S_IRUGO | S_IWUSR, + acpi_device_dir(device), + &acpi_thermal_polling_fops, + acpi_driver_data(device)); if (!entry) return -ENODEV; - else { - entry->proc_fops = &acpi_thermal_polling_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } - return 0; } |