media: ov2740: Return -EPROBE_DEFER if no endpoint is found

With ipu bridge, endpoints may only be created when ipu bridge has
initialised. This may happen after the sensor driver has first probed.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/i2c/ov2740.c

@@ -931,7 +931,7 @@ static int ov2740_check_hwcfg(struct device *dev)
 
 	ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
 	if (!ep)
-		return -ENXIO;
+		return -EPROBE_DEFER;
 
 	ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);
 	fwnode_handle_put(ep);