media: ivsc: csi: Don't parse remote endpoints

The driver parsed, besides its own endpoint on the sink, the remote
upstream endpoint that most likely is a sensor, and took the number of
lanes from that. Instead obtain the number of lanes from the local
endpoint.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Wentong Wu <wentong.wu@intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/pci/intel/ivsc/mei_csi.c

@@ -662,6 +662,8 @@ static int mei_csi_parse_firmware(struct mei_csi *csi)
 		return -EINVAL;
 	}
 
+	csi->nr_of_lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes;
+
 	fwnode = fwnode_graph_get_remote_endpoint(ep);
 	fwnode_handle_put(ep);
 
@@ -675,18 +677,12 @@ static int mei_csi_parse_firmware(struct mei_csi *csi)
 		return PTR_ERR(asd);
 	}
 
-	ret = v4l2_fwnode_endpoint_alloc_parse(fwnode, &v4l2_ep);
 	fwnode_handle_put(fwnode);
-	if (ret)
-		return ret;
-	csi->nr_of_lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes;
 
 	ret = v4l2_async_nf_register(&csi->notifier);
 	if (ret)
 		v4l2_async_nf_cleanup(&csi->notifier);
 
-	v4l2_fwnode_endpoint_free(&v4l2_ep);
-
 	return ret;
 }