Hi Steve, On Thu, Jan 17, 2019 at 6:59 PM Steve Longerbeam <slongerbeam@xxxxxxxxx> wrote: > > Some imx platforms do not have fwnode connections to all CSI input > ports, and should not be treated as an error. This includes the > imx6q SabreAuto, which has no connections to ipu1_csi1 and ipu2_csi0. > Return -ENOTCONN in imx_csi_parse_endpoint() so that v4l2-fwnode > endpoint parsing will not treat an unconnected CSI input port as > an error. > > Fixes: c893500a16baf ("media: imx: csi: Register a subdev notifier") > > Signed-off-by: Steve Longerbeam <slongerbeam@xxxxxxxxx> > Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > Acked-by: Tim Harvey <tharvey@xxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Thanks. This fixes the following error messages: [ 3.449564] imx-ipuv3 2400000.ipu: driver could not parse port@1/endpoint@0 (-22) [ 3.457342] imx-ipuv3-csi: probe of imx-ipuv3-csi.1 failed with error -22 [ 3.464498] imx-ipuv3 2800000.ipu: driver could not parse port@0/endpoint@0 (-22) [ 3.472120] imx-ipuv3-csi: probe of imx-ipuv3-csi.4 failed with error -22 Tested-by: Fabio Estevam <festevam@xxxxxxxxx>