Memory-to-memory pipelines have no external subdev, we shouldn't try to
locate one and validate its configuration. The driver currently works by
chance due to another bug that results in failure to locate the external
subdev being ignored.
This gets rid of the "omap3isp omap3isp: can't find source, failing now"
error message in the kernel log when operating on a memory-to-memory
pipeline.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/media/platform/omap3isp/ispvideo.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/platform/omap3isp/ispvideo.c
b/drivers/media/platform/omap3isp/ispvideo.c
index 856fdf5..313fd13 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -888,6 +888,10 @@ static int isp_video_check_external_subdevs(struct
isp_video *video,
unsigned int i;
int ret = 0;
+ /* Memory-to-memory pipelines have no external subdev. */
+ if (pipe->input != NULL)
+ return 0;
+
for (i = 0; i < ARRAY_SIZE(ents); i++) {
/* Is the entity part of the pipeline? */
if (!(pipe->entities & (1 << ents[i]->id)))
--
1.8.3.2
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