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authorEduardo Valentin <edubezval@gmail.com>2016-11-08 06:08:47 +0100
committerZhang Rui <rui.zhang@intel.com>2016-11-23 03:06:12 +0100
commit1a7e7cc03f172622792dafbbc6c93d8891fba569 (patch)
treec11da13ed2339d71b4b4b8b5609c8570ea63ea0f /drivers/thermal
parentthermal: core: improve power actor documentation (diff)
downloadlinux-1a7e7cc03f172622792dafbbc6c93d8891fba569.tar.xz
linux-1a7e7cc03f172622792dafbbc6c93d8891fba569.zip
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>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/thermal_core.c166
1 files changed, 83 insertions, 83 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 3d2adfac9578..e8098f695c84 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -637,6 +637,89 @@ static void thermal_zone_device_check(struct work_struct *work)
thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
}
+/**
+ * power_actor_get_max_power() - get the maximum power that a cdev can consume
+ * @cdev: pointer to &thermal_cooling_device
+ * @tz: a valid thermal zone device pointer
+ * @max_power: pointer in which to store the maximum power
+ *
+ * Calculate the maximum power consumption in milliwats that the
+ * cooling device can currently consume and store it in @max_power.
+ *
+ * Return: 0 on success, -EINVAL if @cdev doesn't support the
+ * power_actor API or -E* on other error.
+ */
+int power_actor_get_max_power(struct thermal_cooling_device *cdev,
+ struct thermal_zone_device *tz, u32 *max_power)
+{
+ if (!cdev_is_power_actor(cdev))
+ return -EINVAL;
+
+ return cdev->ops->state2power(cdev, tz, 0, max_power);
+}
+
+/**
+ * power_actor_get_min_power() - get the mainimum power that a cdev can consume
+ * @cdev: pointer to &thermal_cooling_device
+ * @tz: a valid thermal zone device pointer
+ * @min_power: pointer in which to store the minimum power
+ *
+ * Calculate the minimum power consumption in milliwatts that the
+ * cooling device can currently consume and store it in @min_power.
+ *
+ * Return: 0 on success, -EINVAL if @cdev doesn't support the
+ * power_actor API or -E* on other error.
+ */
+int power_actor_get_min_power(struct thermal_cooling_device *cdev,
+ struct thermal_zone_device *tz, u32 *min_power)
+{
+ unsigned long max_state;
+ int ret;
+
+ if (!cdev_is_power_actor(cdev))
+ return -EINVAL;
+
+ ret = cdev->ops->get_max_state(cdev, &max_state);
+ if (ret)
+ return ret;
+
+ return cdev->ops->state2power(cdev, tz, max_state, min_power);
+}
+
+/**
+ * power_actor_set_power() - limit the maximum power a cooling device consumes
+ * @cdev: pointer to &thermal_cooling_device
+ * @instance: thermal instance to update
+ * @power: the power in milliwatts
+ *
+ * Set the cooling device to consume at most @power milliwatts. The limit is
+ * expected to be a cap at the maximum power consumption.
+ *
+ * Return: 0 on success, -EINVAL if the cooling device does not
+ * implement the power actor API or -E* for other failures.
+ */
+int power_actor_set_power(struct thermal_cooling_device *cdev,
+ struct thermal_instance *instance, u32 power)
+{
+ unsigned long state;
+ int ret;
+
+ if (!cdev_is_power_actor(cdev))
+ return -EINVAL;
+
+ ret = cdev->ops->power2state(cdev, instance->tz, power, &state);
+ if (ret)
+ return ret;
+
+ instance->target = state;
+ mutex_lock(&cdev->lock);
+ cdev->updated = false;
+ mutex_unlock(&cdev->lock);
+ thermal_cdev_update(cdev);
+
+ return 0;
+}
+
/* sys I/F for thermal zone */
#define to_thermal_zone(_dev) \
@@ -1156,89 +1239,6 @@ static const struct attribute_group *thermal_zone_attribute_groups[] = {
NULL
};
-/**
- * power_actor_get_max_power() - get the maximum power that a cdev can consume
- * @cdev: pointer to &thermal_cooling_device
- * @tz: a valid thermal zone device pointer
- * @max_power: pointer in which to store the maximum power
- *
- * Calculate the maximum power consumption in milliwats that the
- * cooling device can currently consume and store it in @max_power.
- *
- * Return: 0 on success, -EINVAL if @cdev doesn't support the
- * power_actor API or -E* on other error.
- */
-int power_actor_get_max_power(struct thermal_cooling_device *cdev,
- struct thermal_zone_device *tz, u32 *max_power)
-{
- if (!cdev_is_power_actor(cdev))
- return -EINVAL;
-
- return cdev->ops->state2power(cdev, tz, 0, max_power);
-}
-
-/**
- * power_actor_get_min_power() - get the mainimum power that a cdev can consume
- * @cdev: pointer to &thermal_cooling_device
- * @tz: a valid thermal zone device pointer
- * @min_power: pointer in which to store the minimum power
- *
- * Calculate the minimum power consumption in milliwatts that the
- * cooling device can currently consume and store it in @min_power.
- *
- * Return: 0 on success, -EINVAL if @cdev doesn't support the
- * power_actor API or -E* on other error.
- */
-int power_actor_get_min_power(struct thermal_cooling_device *cdev,
- struct thermal_zone_device *tz, u32 *min_power)
-{
- unsigned long max_state;
- int ret;
-
- if (!cdev_is_power_actor(cdev))
- return -EINVAL;
-
- ret = cdev->ops->get_max_state(cdev, &max_state);
- if (ret)
- return ret;
-
- return cdev->ops->state2power(cdev, tz, max_state, min_power);
-}
-
-/**
- * power_actor_set_power() - limit the maximum power a cooling device consumes
- * @cdev: pointer to &thermal_cooling_device
- * @instance: thermal instance to update
- * @power: the power in milliwatts
- *
- * Set the cooling device to consume at most @power milliwatts. The limit is
- * expected to be a cap at the maximum power consumption.
- *
- * Return: 0 on success, -EINVAL if the cooling device does not
- * implement the power actor API or -E* for other failures.
- */
-int power_actor_set_power(struct thermal_cooling_device *cdev,
- struct thermal_instance *instance, u32 power)
-{
- unsigned long state;
- int ret;
-
- if (!cdev_is_power_actor(cdev))
- return -EINVAL;
-
- ret = cdev->ops->power2state(cdev, instance->tz, power, &state);
- if (ret)
- return ret;
-
- instance->target = state;
- mutex_lock(&cdev->lock);
- cdev->updated = false;
- mutex_unlock(&cdev->lock);
- thermal_cdev_update(cdev);
-
- return 0;
-}
-
/* sys I/F for cooling device */
#define to_cooling_device(_dev) \
container_of(_dev, struct thermal_cooling_device, device)