Commit 66ed61b9 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Hans Verkuil
Browse files

staging: media: imx: Drop unused helper functions 



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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarPaul Elder <paul.elder@ideasonboard.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
parent a11c03f0

drivers/staging/media/imx/imx-media-utils.c

+0 −68
Original line number Diff line number Diff line
@@ -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.

 */

drivers/staging/media/imx/imx-media.h

+0 −10
Original line number Diff line number Diff line
@@ -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;