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staging: media: imx: Drop unused helper functions

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The imx_media_find_subdev_by_fwnode(),
imx_media_find_subdev_by_devname(), imx_media_pipeline_csi2_channel()
and imx_media_pipeline_video_device() helper functions are not used.
Drop them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Laurent Pinchart 2022-05-10 14:27:40 +03:00 committed by Hans Verkuil
parent a11c03f063
commit 66ed61b91e
2 changed files with 0 additions and 78 deletions
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68
drivers/staging/media/imx/imx-media-utils.c
View File

@ -626,36 +626,6 @@ void imx_media_grp_id_to_sd_name(char *sd_name, int sz, u32 grp_id, int ipu_id)
}
EXPORT_SYMBOL_GPL(imx_media_grp_id_to_sd_name);
struct v4l2_subdev *
imx_media_find_subdev_by_fwnode(struct imx_media_dev *imxmd,
struct fwnode_handle *fwnode)
{
struct v4l2_subdev *sd;
list_for_each_entry(sd, &imxmd->v4l2_dev.subdevs, list) {
if (sd->fwnode == fwnode)
return sd;
}
return NULL;
}
EXPORT_SYMBOL_GPL(imx_media_find_subdev_by_fwnode);
struct v4l2_subdev *
imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
const char *devname)
{
struct v4l2_subdev *sd;
list_for_each_entry(sd, &imxmd->v4l2_dev.subdevs, list) {
if (!strcmp(devname, dev_name(sd->dev)))
return sd;
}
return NULL;
}
EXPORT_SYMBOL_GPL(imx_media_find_subdev_by_devname);
/*
* Adds a video device to the master video device list. This is called
* when a video device is registered.
@ -756,25 +726,6 @@ find_pipeline_entity(struct media_entity *start, u32 grp_id,
return pad ? pad->entity : NULL;
}
/*
* Find the upstream mipi-csi2 virtual channel reached from the given
* start entity in the current pipeline.
* Must be called with mdev->graph_mutex held.
*/
int imx_media_pipeline_csi2_channel(struct media_entity *start_entity)
{
struct media_pad *pad;
int ret = -EPIPE;
pad = imx_media_pipeline_pad(start_entity, IMX_MEDIA_GRP_ID_CSI2,
0, true);
if (pad)
ret = pad->index - 1;
return ret;
}
EXPORT_SYMBOL_GPL(imx_media_pipeline_csi2_channel);
/*
* Find a subdev reached upstream from the given start entity in
* the current pipeline.
@ -794,25 +745,6 @@ imx_media_pipeline_subdev(struct media_entity *start_entity, u32 grp_id,
}
EXPORT_SYMBOL_GPL(imx_media_pipeline_subdev);
/*
* Find a subdev reached upstream from the given start entity in
* the current pipeline.
* Must be called with mdev->graph_mutex held.
*/
struct video_device *
imx_media_pipeline_video_device(struct media_entity *start_entity,
enum v4l2_buf_type buftype, bool upstream)
{
struct media_entity *me;
me = find_pipeline_entity(start_entity, 0, buftype, upstream);
if (!me)
return ERR_PTR(-ENODEV);
return media_entity_to_video_device(me);
}
EXPORT_SYMBOL_GPL(imx_media_pipeline_video_device);
/*
* Turn current pipeline streaming on/off starting from entity.
*/

10
drivers/staging/media/imx/imx-media.h
View File

@ -201,24 +201,14 @@ int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix,
const struct imx_media_pixfmt *cc);
void imx_media_grp_id_to_sd_name(char *sd_name, int sz,
u32 grp_id, int ipu_id);
struct v4l2_subdev *
imx_media_find_subdev_by_fwnode(struct imx_media_dev *imxmd,
struct fwnode_handle *fwnode);
struct v4l2_subdev *
imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
const char *devname);
void imx_media_add_video_device(struct imx_media_dev *imxmd,
struct imx_media_video_dev *vdev);
int imx_media_pipeline_csi2_channel(struct media_entity *start_entity);
struct media_pad *
imx_media_pipeline_pad(struct media_entity *start_entity, u32 grp_id,
enum v4l2_buf_type buftype, bool upstream);
struct v4l2_subdev *
imx_media_pipeline_subdev(struct media_entity *start_entity, u32 grp_id,
bool upstream);
struct video_device *
imx_media_pipeline_video_device(struct media_entity *start_entity,
enum v4l2_buf_type buftype, bool upstream);
struct imx_media_dma_buf {
void *virt;