diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index d62bf6df78f812c1ec2a5a3754011d5419dfd8ad..0bc5c920bf63a24e34ce6ed340d0ba501ca176b7 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -809,6 +809,32 @@ static struct thermal_zone_device_ops acpi_thermal_zone_ops = { .notify = thermal_notify, }; +static int acpi_thermal_zone_sysfs_add(struct acpi_thermal *tz) +{ + struct device *tzdev = thermal_zone_device(tz->thermal_zone); + int ret; + + ret = sysfs_create_link(&tz->device->dev.kobj, + &tzdev->kobj, "thermal_zone"); + if (ret) + return ret; + + ret = sysfs_create_link(&tzdev->kobj, + &tz->device->dev.kobj, "device"); + if (ret) + sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone"); + + return ret; +} + +static void acpi_thermal_zone_sysfs_remove(struct acpi_thermal *tz) +{ + struct device *tzdev = thermal_zone_device(tz->thermal_zone); + + sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone"); + sysfs_remove_link(&tzdev->kobj, "device"); +} + static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) { int trips = 0; @@ -842,21 +868,15 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) if (IS_ERR(tz->thermal_zone)) return -ENODEV; - result = sysfs_create_link(&tz->device->dev.kobj, - &tz->thermal_zone->device.kobj, "thermal_zone"); + result = acpi_thermal_zone_sysfs_add(tz); if (result) goto unregister_tzd; - result = sysfs_create_link(&tz->thermal_zone->device.kobj, - &tz->device->dev.kobj, "device"); - if (result) - goto remove_tz_link; - status = acpi_bus_attach_private_data(tz->device->handle, tz->thermal_zone); if (ACPI_FAILURE(status)) { result = -ENODEV; - goto remove_dev_link; + goto remove_links; } result = thermal_zone_device_enable(tz->thermal_zone); @@ -870,10 +890,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) acpi_bus_detach: acpi_bus_detach_private_data(tz->device->handle); -remove_dev_link: - sysfs_remove_link(&tz->thermal_zone->device.kobj, "device"); -remove_tz_link: - sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone"); +remove_links: + acpi_thermal_zone_sysfs_remove(tz); unregister_tzd: thermal_zone_device_unregister(tz->thermal_zone); @@ -882,8 +900,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz) { - sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone"); - sysfs_remove_link(&tz->thermal_zone->device.kobj, "device"); + acpi_thermal_zone_sysfs_remove(tz); thermal_zone_device_unregister(tz->thermal_zone); tz->thermal_zone = NULL; acpi_bus_detach_private_data(tz->device->handle); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 1cf49912dc96ca146d9cd4a5618f59576a9c26a1..c2a51329ca14a630247923125d0b3abbbea7ec20 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1521,6 +1521,30 @@ thermal_zone_device_register(const char *type, int trips, int mask, } EXPORT_SYMBOL_GPL(thermal_zone_device_register); +void *thermal_zone_device_priv(struct thermal_zone_device *tzd) +{ + return tzd->devdata; +} +EXPORT_SYMBOL_GPL(thermal_zone_device_priv); + +const char *thermal_zone_device_type(struct thermal_zone_device *tzd) +{ + return tzd->type; +} +EXPORT_SYMBOL_GPL(thermal_zone_device_type); + +int thermal_zone_device_id(struct thermal_zone_device *tzd) +{ + return tzd->id; +} +EXPORT_SYMBOL_GPL(thermal_zone_device_id); + +struct device *thermal_zone_device(struct thermal_zone_device *tzd) +{ + return &tzd->device; +} +EXPORT_SYMBOL_GPL(thermal_zone_device); + /** * thermal_zone_device_unregister - removes the registered thermal zone device * @tz: the thermal zone device to remove diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 7097d4dcfdd078612afa64240c9fbf54f83e896e..7f93aebec66c06834fe5fb2ee37c61f75c2a922a 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -370,6 +370,16 @@ struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, struct thermal_zone_params *, int, int); void thermal_zone_device_unregister(struct thermal_zone_device *); +struct thermal_zone_device * +thermal_zone_device_register_with_trips(const char *, struct thermal_trip *, int, int, + void *, struct thermal_zone_device_ops *, + struct thermal_zone_params *, int, int); + +void *thermal_zone_device_priv(struct thermal_zone_device *tzd); +const char *thermal_zone_device_type(struct thermal_zone_device *tzd); +int thermal_zone_device_id(struct thermal_zone_device *tzd); +struct device *thermal_zone_device(struct thermal_zone_device *tzd); + int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int, struct thermal_cooling_device *, unsigned long, unsigned long,