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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 /drivers/staging | |
| parent | 393cfcc02d1d94defcf23af1fbc9950eafce4519 (diff) | |
| download | linux-stable-9bf19fbf0c8bc4392210c1ea104a8db732624f3d.tar.gz linux-stable-9bf19fbf0c8bc4392210c1ea104a8db732624f3d.tar.bz2 linux-stable-9bf19fbf0c8bc4392210c1ea104a8db732624f3d.zip | |
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 'drivers/staging')
| -rw-r--r-- | drivers/staging/media/imx/imx-media-dev-common.c | 2 | ||||
| -rw-r--r-- | drivers/staging/media/tegra-video/vi.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/media/imx/imx-media-dev-common.c b/drivers/staging/media/imx/imx-media-dev-common.c index c1216b4557b6..67c1b16db655 100644 --- a/drivers/staging/media/imx/imx-media-dev-common.c +++ b/drivers/staging/media/imx/imx-media-dev-common.c @@ -384,7 +384,7 @@ int imx_media_dev_notifier_register(struct imx_media_dev *imxmd, int ret; /* no subdevs? just bail */ - if (list_empty(&imxmd->notifier.asc_list)) { + if (list_empty(&imxmd->notifier.waiting_list)) { v4l2_err(&imxmd->v4l2_dev, "no subdevs\n"); return -ENODEV; } diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 07e3eb8c7056..ee4ae1f1f2fa 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -1464,7 +1464,7 @@ tegra_vi_graph_find_entity(struct tegra_vi_channel *chan, struct tegra_vi_graph_entity *entity; struct v4l2_async_connection *asd; - list_for_each_entry(asd, &chan->notifier.asc_list, asc_entry) { + list_for_each_entry(asd, &chan->notifier.done_list, asc_entry) { entity = to_tegra_vi_graph_entity(asd); if (entity->asd.match.fwnode == fwnode) return entity; @@ -1608,7 +1608,7 @@ static int tegra_vi_graph_notify_complete(struct v4l2_async_notifier *notifier) } /* create links between the entities */ - list_for_each_entry(asd, &chan->notifier.asc_list, asc_entry) { + list_for_each_entry(asd, &chan->notifier.done_list, asc_entry) { entity = to_tegra_vi_graph_entity(asd); ret = tegra_vi_graph_build(chan, entity); if (ret < 0) @@ -1775,7 +1775,7 @@ static int tegra_vi_graph_init(struct tegra_vi *vi) ret = tegra_vi_graph_parse_one(chan, remote); fwnode_handle_put(remote); - if (ret < 0 || list_empty(&chan->notifier.asc_list)) + if (ret < 0 || list_empty(&chan->notifier.waiting_list)) continue; chan->notifier.ops = &tegra_vi_async_ops; |