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[1/1] media: v4l2-mc: Make v4l2_pipeline_pm_{get,put} deprecated

Message ID 20230823090600.3872867-1-sakari.ailus@linux.intel.com
State Accepted
Commit b97213a41140b87f48865ba594a1f4b5c5566631
Headers show
Series [1/1] media: v4l2-mc: Make v4l2_pipeline_pm_{get,put} deprecated | expand

Commit Message

Sakari Ailus Aug. 23, 2023, 9:06 a.m. UTC 
The v4l2_pipeline_pm_get() and v4l2_pipeline_pm_put() functions were
needed to control sub-devices' power states before runtime PM. These
functions should no longer be used, and instead sub-device drivers should
use runtime PM.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 include/media/v4l2-mc.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
index b39586dfba35..ed0a44b6eada 100644
--- a/include/media/v4l2-mc.h
+++ b/include/media/v4l2-mc.h
@@ -143,6 +143,9 @@  int v4l2_create_fwnode_links(struct v4l2_subdev *src_sd,
  * v4l2_pipeline_pm_get - Increase the use count of a pipeline
  * @entity: The root entity of a pipeline
  *
+ * THIS FUNCTION IS DEPRECATED. DO NOT USE IN NEW DRIVERS. USE RUNTIME PM
+ * ON SUB-DEVICE DRIVERS INSTEAD.
+ *
  * Update the use count of all entities in the pipeline and power entities on.
  *
  * This function is intended to be called in video node open. It uses
@@ -157,6 +160,9 @@  int v4l2_pipeline_pm_get(struct media_entity *entity);
  * v4l2_pipeline_pm_put - Decrease the use count of a pipeline
  * @entity: The root entity of a pipeline
  *
+ * THIS FUNCTION IS DEPRECATED. DO NOT USE IN NEW DRIVERS. USE RUNTIME PM
+ * ON SUB-DEVICE DRIVERS INSTEAD.
+ *
  * Update the use count of all entities in the pipeline and power entities off.
  *
  * This function is intended to be called in video node release. It uses