Thermal: List thermal_instance in thermal_cooling_device.
List thermal_instance in thermal_cooling_device so that
cooling device can know the cooling state requirement
of all the thermal instances.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com>
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 2884376..70045c1 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -57,6 +57,7 @@
char attr_name[THERMAL_NAME_LENGTH];
struct device_attribute attr;
struct list_head tz_node; /* node in tz->thermal_instances */
+ struct list_head cdev_node; /* node in cdev->thermal_instances */
};
static DEFINE_IDR(thermal_tz_idr);
@@ -878,8 +879,10 @@
result = -EEXIST;
break;
}
- if (!result)
+ if (!result) {
list_add_tail(&dev->tz_node, &tz->thermal_instances);
+ list_add_tail(&dev->cdev_node, &cdev->thermal_instances);
+ }
mutex_unlock(&tz->lock);
if (!result)
@@ -915,6 +918,7 @@
list_for_each_entry_safe(pos, next, &tz->thermal_instances, tz_node) {
if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
list_del(&pos->tz_node);
+ list_del(&pos->cdev_node);
mutex_unlock(&tz->lock);
goto unbind;
}
@@ -984,6 +988,7 @@
}
strcpy(cdev->type, type);
+ INIT_LIST_HEAD(&cdev->thermal_instances);
cdev->ops = ops;
cdev->device.class = &thermal_class;
cdev->devdata = devdata;