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Subject: media: nxp: imx8-isi: Mark all crossbar sink pads as MUST_CONNECT Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Date: Mon Jan 15 04:16:29 2024 +0200 All the sink pads of the crossbar switch require an active link if they're part of the pipeline. Mark them with the MEDIA_PAD_FL_MUST_CONNECT flag to fail pipeline validation if they're not connected. This allows removing a manual check when translating streams. Cc: sta...@vger.kernel.org # 6.1 Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) --- diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c index 1bb1334ec6f2..93a55c97cd17 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c @@ -160,13 +160,6 @@ mxc_isi_crossbar_xlate_streams(struct mxc_isi_crossbar *xbar, } pad = media_pad_remote_pad_first(&xbar->pads[sink_pad]); - if (!pad) { - dev_dbg(xbar->isi->dev, - "no pad connected to crossbar input %u\n", - sink_pad); - return ERR_PTR(-EPIPE); - } - sd = media_entity_to_v4l2_subdev(pad->entity); if (!sd) { dev_dbg(xbar->isi->dev, @@ -475,7 +468,8 @@ int mxc_isi_crossbar_init(struct mxc_isi_dev *isi) } for (i = 0; i < xbar->num_sinks; ++i) - xbar->pads[i].flags = MEDIA_PAD_FL_SINK; + xbar->pads[i].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; for (i = 0; i < xbar->num_sources; ++i) xbar->pads[i + xbar->num_sinks].flags = MEDIA_PAD_FL_SOURCE;