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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2023-04-18 14:00:54 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-07-28 10:46:32 +0200 |
| commit | 9bf19fbf0c8bc4392210c1ea104a8db732624f3d (patch) | |
| tree | 218f39eed10630337d9be92dd59ae1999f3afab4 /include/media | |
| parent | 393cfcc02d1d94defcf23af1fbc9950eafce4519 (diff) | |
media: v4l: async: Rework internal lists
This patch re-arranges internal V4L2 async lists for preparation of
supporting multiple connections per sub-device as well as cleaning up used
lists.
The list of unbound V4L2 sub-devices shall be maintained for the purpose of
listing those sub-devices only, not for their bindin status. Also, the V4L2
async connections now have, instead of two list entries, a single list
entry in the notifier's list, be that either waiting or done lists, while
the notifier's asc_list is removed.
The one-to-one relation between a sub-device and a connection is still
maintained in this patch.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-async.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index a27d9dc8afcb..c06b3b832228 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -66,9 +66,8 @@ struct v4l2_async_match_desc { * * @match: struct of match type and per-bus type matching data sets * @asc_entry: used to add struct v4l2_async_connection objects to the - * master notifier @asc_list - * @waiting_entry: used to link struct v4l2_async_connection objects, waiting to - * be probed, to a notifier->waiting_list list + * notifier @waiting_list or @done_list + * @sd: the related sub-device * * When this struct is used as a member in a driver specific struct, * the driver specific struct shall contain the &struct @@ -77,7 +76,7 @@ struct v4l2_async_match_desc { struct v4l2_async_connection { struct v4l2_async_match_desc match; struct list_head asc_entry; - struct list_head waiting_entry; + struct v4l2_subdev *sd; }; /** @@ -106,7 +105,6 @@ struct v4l2_async_notifier_operations { * @v4l2_dev: v4l2_device of the root notifier, NULL otherwise * @sd: sub-device that registered the notifier, NULL otherwise * @parent: parent notifier - * @asc_list: master list of struct v4l2_async_connection * @waiting_list: list of struct v4l2_async_connection, waiting for their * drivers * @done_list: list of struct v4l2_subdev, already probed @@ -117,7 +115,6 @@ struct v4l2_async_notifier { struct v4l2_device *v4l2_dev; struct v4l2_subdev *sd; struct v4l2_async_notifier *parent; - struct list_head asc_list; struct list_head waiting_list; struct list_head done_list; struct list_head notifier_entry; |