diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2012-06-27 14:11:52 +0800 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2012-09-24 14:44:37 +0800 |
| commit | b5e4ae620b06274981781aeadc2aea50b507f7fb (patch) | |
| tree | 2b0175b36cafe5b753510e6c05cb41ec301f35fc | |
| parent | cddf31b3b293fd20358ea506f22445611425811f (diff) | |
| download | op-kernel-dev-b5e4ae620b06274981781aeadc2aea50b507f7fb.zip op-kernel-dev-b5e4ae620b06274981781aeadc2aea50b507f7fb.tar.gz | |
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>
| -rw-r--r-- | drivers/thermal/thermal_sys.c | 7 | ||||
| -rw-r--r-- | include/linux/thermal.h | 1 |
2 files changed, 7 insertions, 1 deletions
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 @@ struct thermal_instance { 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 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, 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 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, 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 @@ thermal_cooling_device_register(char *type, void *devdata, } strcpy(cdev->type, type); + INIT_LIST_HEAD(&cdev->thermal_instances); cdev->ops = ops; cdev->device.class = &thermal_class; cdev->devdata = devdata; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index cb0b0e3..9ae378a 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -94,6 +94,7 @@ struct thermal_cooling_device { struct device device; void *devdata; const struct thermal_cooling_device_ops *ops; + struct list_head thermal_instances; struct list_head node; }; |
