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authorTodor Tomov <todor.tomov@linaro.org>2018-07-25 12:38:22 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-08-02 06:15:55 -0400
commita93e5f4fc8dfecd15df51ae176a77ce5b0db82b1 (patch)
tree50dd5031dbfc8921c1f8eb52dff05749495cf8e6 /drivers
parentc9896b655177892cfaed2c0910fd55f44772ecad (diff)
downloadlinux-a93e5f4fc8dfecd15df51ae176a77ce5b0db82b1.tar.bz2
media: camss: vfe: Get line pointer as container of video_out
Simplify getting of the line pointer by using the container_of macro instead of traversing media controller links. Signed-off-by: Todor Tomov <todor.tomov@linaro.org> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/platform/qcom/camss/camss-vfe.c38
1 files changed, 4 insertions, 34 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index 51ad3f8ce73d..77167f11b655 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -2038,26 +2038,6 @@ exit:
}
/*
- * vfe_video_pad_to_line - Get pointer to VFE line by media pad
- * @pad: Media pad
- *
- * Return pointer to vfe line structure
- */
-static struct vfe_line *vfe_video_pad_to_line(struct media_pad *pad)
-{
- struct media_pad *vfe_pad;
- struct v4l2_subdev *subdev;
-
- vfe_pad = media_entity_remote_pad(pad);
- if (vfe_pad == NULL)
- return NULL;
-
- subdev = media_entity_to_v4l2_subdev(vfe_pad->entity);
-
- return container_of(subdev, struct vfe_line, subdev);
-}
-
-/*
* vfe_queue_buffer - Add empty buffer
* @vid: Video device structure
* @buf: Buffer to be enqueued
@@ -2070,16 +2050,11 @@ static struct vfe_line *vfe_video_pad_to_line(struct media_pad *pad)
static int vfe_queue_buffer(struct camss_video *vid,
struct camss_buffer *buf)
{
- struct vfe_device *vfe = &vid->camss->vfe;
- struct vfe_line *line;
+ struct vfe_line *line = container_of(vid, struct vfe_line, video_out);
+ struct vfe_device *vfe = to_vfe(line);
struct vfe_output *output;
unsigned long flags;
- line = vfe_video_pad_to_line(&vid->pad);
- if (!line) {
- dev_err(to_device(vfe), "Can not queue buffer\n");
- return -1;
- }
output = &line->output;
spin_lock_irqsave(&vfe->output_lock, flags);
@@ -2104,16 +2079,11 @@ static int vfe_queue_buffer(struct camss_video *vid,
static int vfe_flush_buffers(struct camss_video *vid,
enum vb2_buffer_state state)
{
- struct vfe_device *vfe = &vid->camss->vfe;
- struct vfe_line *line;
+ struct vfe_line *line = container_of(vid, struct vfe_line, video_out);
+ struct vfe_device *vfe = to_vfe(line);
struct vfe_output *output;
unsigned long flags;
- line = vfe_video_pad_to_line(&vid->pad);
- if (!line) {
- dev_err(to_device(vfe), "Can not flush buffers\n");
- return -1;
- }
output = &line->output;
spin_lock_irqsave(&vfe->output_lock, flags);