[PATCH 1/4] media: rcar_vin: Dont aggressively retire buffers

[Ian Molton <ian.molton@codethink.co.uk>]

rcar_vin_videobuf_release() is called once per buffer from the buf_cleanup hook.

There is no need to look up the queue and free all buffers at this point.

Signed-off-by: Ian Molton <ian.molton@codethink.co.uk>
Signed-off-by: William Towle <william.towle@codethink.co.uk>
---
 drivers/media/platform/soc_camera/rcar_vin.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index e594230..7154500 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -493,17 +493,11 @@ static void rcar_vin_videobuf_release(struct vb2_buffer *vb)
 		 * to release could be any of the current buffers in use, so
 		 * release all buffers that are in use by HW
 		 */
-		for (i = 0; i < MAX_BUFFER_NUM; i++) {
-			if (priv->queue_buf[i]) {
-				vb2_buffer_done(priv->queue_buf[i],
-					VB2_BUF_STATE_ERROR);
-				priv->queue_buf[i] = NULL;
-			}
-		}
-	} else {
-		list_del_init(to_buf_list(vb));
+		priv->queue_buf[i] = NULL;
 	}
 
+	list_del_init(to_buf_list(vb));
+
 	spin_unlock_irq(&priv->lock);
 }
 
-- 
1.9.1