The media device is already available via multiple methods, there is no
need to set driver data for v4l2_dev to the media device.
In imx_media_link_notify(), get media device from link->graph_obj.mdev.
In imx_media_capture_device_register(), get media device from
v4l2_dev->mdev.
Signed-off-by: Steve Longerbeam <slongerbeam@xxxxxxxxx>
---
drivers/staging/media/imx/imx-media-capture.c | 5 +++--
drivers/staging/media/imx/imx-media-dev-common.c | 7 ++-----
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index 8a908c3e5e60..ea7f2decfc16 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -735,15 +735,16 @@ int imx_media_capture_device_register(struct imx_media_video_dev *vdev)
{
struct capture_priv *priv = to_capture_priv(vdev);
struct v4l2_subdev *sd = priv->src_sd;
+ struct v4l2_device *v4l2_dev = sd->v4l2_dev;
struct video_device *vfd = vdev->vfd;
struct vb2_queue *vq = &priv->q;
struct v4l2_subdev_format fmt_src;
int ret;
/* get media device */
- priv->md = dev_get_drvdata(sd->v4l2_dev->dev);
+ priv->md = container_of(v4l2_dev->mdev, struct imx_media_dev, md);
- vfd->v4l2_dev = sd->v4l2_dev;
+ vfd->v4l2_dev = v4l2_dev;
ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1);
if (ret) {
diff --git a/drivers/staging/media/imx/imx-media-dev-common.c b/drivers/staging/media/imx/imx-media-dev-common.c
index 89dc4ec8dadb..66b505f7e8df 100644
--- a/drivers/staging/media/imx/imx-media-dev-common.c
+++ b/drivers/staging/media/imx/imx-media-dev-common.c
@@ -260,10 +260,11 @@ static int imx_media_inherit_controls(struct imx_media_dev *imxmd,
static int imx_media_link_notify(struct media_link *link, u32 flags,
unsigned int notification)
{
+ struct imx_media_dev *imxmd = container_of(link->graph_obj.mdev,
+ struct imx_media_dev, md);
struct media_entity *source = link->source->entity;
struct imx_media_pad_vdev *pad_vdev;
struct list_head *pad_vdev_list;
- struct imx_media_dev *imxmd;
struct video_device *vfd;
struct v4l2_subdev *sd;
int pad_idx, ret;
@@ -279,8 +280,6 @@ static int imx_media_link_notify(struct media_link *link, u32 flags,
sd = media_entity_to_v4l2_subdev(source);
pad_idx = link->source->index;
- imxmd = dev_get_drvdata(sd->v4l2_dev->dev);
-
pad_vdev_list = to_pad_vdev_list(sd, pad_idx);
if (!pad_vdev_list) {
/* nothing to do if source sd has no pad vdev list */
@@ -384,8 +383,6 @@ struct imx_media_dev *imx_media_dev_init(struct device *dev,
goto cleanup;
}
- dev_set_drvdata(imxmd->v4l2_dev.dev, imxmd);
-
INIT_LIST_HEAD(&imxmd->vdev_list);
v4l2_async_notifier_init(&imxmd->notifier);
--
2.17.1
