[media] mx2_camera: Remove 'buf_cleanup' callback

All necessary tasks to end the streaming properly are
already implemented in mx2_stop_streaming() and nothing
remains to be done in this callback.
Furthermore, it only included debug messages so it can
be removed.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index c0511c001be1..c93e790594ef 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -560,39 +560,6 @@ static void mx2_videobuf_queue(struct vb2_buffer *vb)
         spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
-static void mx2_videobuf_release(struct vb2_buffer *vb)
-{
-#ifdef DEBUG
-        struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue);
-        struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
-        struct mx2_camera_dev *pcdev = ici->priv;
-        struct mx2_buffer *buf = container_of(vb, struct mx2_buffer, vb);
-
-        dev_dbg(icd->parent, "%s (vb=0x%p) 0x%p %lu\n", __func__,
-                vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0));
-
-        switch (buf->state) {
-        case MX2_STATE_ACTIVE:
-                dev_info(icd->parent, "%s (active)\n", __func__);
-                break;
-        case MX2_STATE_QUEUED:
-                dev_info(icd->parent, "%s (queued)\n", __func__);
-                break;
-        default:
-                dev_info(icd->parent, "%s (unknown) %d\n", __func__,
-                                buf->state);
-                break;
-        }
-#endif
-
-        /*
-         * FIXME: implement forced termination of active buffers for mx27 and
-         * mx27 eMMA, so that the user won't get stuck in an uninterruptible
-         * state. This requires a specific handling for each of the these DMA
-         * types.
-         */
-}
-
 static void mx27_camera_emma_buf_init(struct soc_camera_device *icd,
                 int bytesperline)
 {
@@ -827,7 +794,6 @@ static struct vb2_ops mx2_videobuf_ops = {
         .queue_setup     = mx2_videobuf_setup,
         .buf_prepare     = mx2_videobuf_prepare,
         .buf_queue       = mx2_videobuf_queue,
-        .buf_cleanup     = mx2_videobuf_release,
         .start_streaming = mx2_start_streaming,
         .stop_streaming  = mx2_stop_streaming,
 };