| Message ID | 1343292083-2047-11-git-send-email-rui.zhang@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 26, 2012 at 04:41:20PM +0800, Zhang Rui wrote: > List thermal_instance in thermal_cooling_device so that > cooling device can know the cooling state requirement > of all the thermal instances. > > Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl> > Signed-off-by: Zhang Rui <rui.zhang@intel.com> Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com> > --- > drivers/thermal/thermal_sys.c | 7 ++++++- > include/linux/thermal.h | 1 + > 2 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c > index b2a2d48..9906717 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 b11db1e..bcf3384 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; > }; > > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index b2a2d48..9906717 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 b11db1e..bcf3384 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; };