thermal: core: move power actor code out of sysfs I/F section
Simply reorganize code to keep only functions of sysfs interface of thermal zone device together. Therefore, move the power actor code out of the sysfs I/F section. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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@ -637,6 +637,89 @@ static void thermal_zone_device_check(struct work_struct *work)
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thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
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}
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/**
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* power_actor_get_max_power() - get the maximum power that a cdev can consume
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* @cdev: pointer to &thermal_cooling_device
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* @tz: a valid thermal zone device pointer
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* @max_power: pointer in which to store the maximum power
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*
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* Calculate the maximum power consumption in milliwats that the
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* cooling device can currently consume and store it in @max_power.
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*
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* Return: 0 on success, -EINVAL if @cdev doesn't support the
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* power_actor API or -E* on other error.
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*/
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int power_actor_get_max_power(struct thermal_cooling_device *cdev,
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struct thermal_zone_device *tz, u32 *max_power)
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{
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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return cdev->ops->state2power(cdev, tz, 0, max_power);
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}
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/**
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* power_actor_get_min_power() - get the mainimum power that a cdev can consume
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* @cdev: pointer to &thermal_cooling_device
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* @tz: a valid thermal zone device pointer
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* @min_power: pointer in which to store the minimum power
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*
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* Calculate the minimum power consumption in milliwatts that the
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* cooling device can currently consume and store it in @min_power.
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*
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* Return: 0 on success, -EINVAL if @cdev doesn't support the
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* power_actor API or -E* on other error.
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*/
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int power_actor_get_min_power(struct thermal_cooling_device *cdev,
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struct thermal_zone_device *tz, u32 *min_power)
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{
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unsigned long max_state;
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int ret;
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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ret = cdev->ops->get_max_state(cdev, &max_state);
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if (ret)
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return ret;
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return cdev->ops->state2power(cdev, tz, max_state, min_power);
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}
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/**
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* power_actor_set_power() - limit the maximum power a cooling device consumes
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* @cdev: pointer to &thermal_cooling_device
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* @instance: thermal instance to update
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* @power: the power in milliwatts
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*
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* Set the cooling device to consume at most @power milliwatts. The limit is
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* expected to be a cap at the maximum power consumption.
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*
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* Return: 0 on success, -EINVAL if the cooling device does not
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* implement the power actor API or -E* for other failures.
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*/
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int power_actor_set_power(struct thermal_cooling_device *cdev,
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struct thermal_instance *instance, u32 power)
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{
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unsigned long state;
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int ret;
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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ret = cdev->ops->power2state(cdev, instance->tz, power, &state);
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if (ret)
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return ret;
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instance->target = state;
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mutex_lock(&cdev->lock);
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cdev->updated = false;
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mutex_unlock(&cdev->lock);
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thermal_cdev_update(cdev);
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return 0;
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}
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/* sys I/F for thermal zone */
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#define to_thermal_zone(_dev) \
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@ -1156,89 +1239,6 @@ static const struct attribute_group *thermal_zone_attribute_groups[] = {
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NULL
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};
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/**
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* power_actor_get_max_power() - get the maximum power that a cdev can consume
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* @cdev: pointer to &thermal_cooling_device
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* @tz: a valid thermal zone device pointer
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* @max_power: pointer in which to store the maximum power
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*
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* Calculate the maximum power consumption in milliwats that the
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* cooling device can currently consume and store it in @max_power.
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*
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* Return: 0 on success, -EINVAL if @cdev doesn't support the
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* power_actor API or -E* on other error.
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*/
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int power_actor_get_max_power(struct thermal_cooling_device *cdev,
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struct thermal_zone_device *tz, u32 *max_power)
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{
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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return cdev->ops->state2power(cdev, tz, 0, max_power);
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}
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/**
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* power_actor_get_min_power() - get the mainimum power that a cdev can consume
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* @cdev: pointer to &thermal_cooling_device
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* @tz: a valid thermal zone device pointer
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* @min_power: pointer in which to store the minimum power
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*
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* Calculate the minimum power consumption in milliwatts that the
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* cooling device can currently consume and store it in @min_power.
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*
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* Return: 0 on success, -EINVAL if @cdev doesn't support the
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* power_actor API or -E* on other error.
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*/
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int power_actor_get_min_power(struct thermal_cooling_device *cdev,
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struct thermal_zone_device *tz, u32 *min_power)
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{
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unsigned long max_state;
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int ret;
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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ret = cdev->ops->get_max_state(cdev, &max_state);
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if (ret)
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return ret;
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return cdev->ops->state2power(cdev, tz, max_state, min_power);
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}
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/**
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* power_actor_set_power() - limit the maximum power a cooling device consumes
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* @cdev: pointer to &thermal_cooling_device
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* @instance: thermal instance to update
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* @power: the power in milliwatts
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*
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* Set the cooling device to consume at most @power milliwatts. The limit is
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* expected to be a cap at the maximum power consumption.
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*
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* Return: 0 on success, -EINVAL if the cooling device does not
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* implement the power actor API or -E* for other failures.
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*/
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int power_actor_set_power(struct thermal_cooling_device *cdev,
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struct thermal_instance *instance, u32 power)
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{
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unsigned long state;
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int ret;
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if (!cdev_is_power_actor(cdev))
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return -EINVAL;
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ret = cdev->ops->power2state(cdev, instance->tz, power, &state);
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if (ret)
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return ret;
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instance->target = state;
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mutex_lock(&cdev->lock);
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cdev->updated = false;
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mutex_unlock(&cdev->lock);
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thermal_cdev_update(cdev);
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return 0;
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}
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/* sys I/F for cooling device */
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#define to_cooling_device(_dev) \
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container_of(_dev, struct thermal_cooling_device, device)
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