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media: subdev: rename subdev-state alloc & free

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v4l2_subdev_alloc_state() and v4l2_subdev_free_state() are not supposed
to be used by the drivers. However, we do have a few drivers that use
those at the moment, so we need to expose these functions for the time
being.

Prefix the functions with __ to mark the functions as internal.

At the same time, rename them to v4l2_subdev_state_alloc and
v4l2_subdev_state_free to match the style used for other functions like
video_device_alloc() and media_request_alloc().

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Tomi Valkeinen
2022-04-12 10:42:42 +01:00
committed by Mauro Carvalho Chehab
parent e550c37092
commit 40aaab9d77
5 changed files with 33 additions and 17 deletions
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14
include/media/v4l2-subdev.h
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@@ -1122,20 +1122,24 @@ int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd,
int v4l2_subdev_link_validate(struct media_link *link);
/**
* v4l2_subdev_alloc_state - allocate v4l2_subdev_state
* __v4l2_subdev_state_alloc - allocate v4l2_subdev_state
*
* @sd: pointer to &struct v4l2_subdev for which the state is being allocated.
*
* Must call v4l2_subdev_free_state() when state is no longer needed.
* Must call __v4l2_subdev_state_free() when state is no longer needed.
*
* Not to be called directly by the drivers.
*/
struct v4l2_subdev_state *v4l2_subdev_alloc_state(struct v4l2_subdev *sd);
struct v4l2_subdev_state *__v4l2_subdev_state_alloc(struct v4l2_subdev *sd);
/**
* v4l2_subdev_free_state - free a v4l2_subdev_state
* __v4l2_subdev_state_free - free a v4l2_subdev_state
*
* @state: v4l2_subdev_state to be freed.
*
* Not to be called directly by the drivers.
*/
void v4l2_subdev_free_state(struct v4l2_subdev_state *state);
void __v4l2_subdev_state_free(struct v4l2_subdev_state *state);
#endif /* CONFIG_MEDIA_CONTROLLER */