media: mei: csi: Warn less verbosely of a missing device fwnode

The check for having device fwnode was meant to be a sanity check but this
also happens if the ACPI DSDT has graph port nodes on sensor device(s) but
not on the IVSC device. Use a more meaningful warning message to tell
about this.

Fixes: 33116eb12c6b ("media: ivsc: csi: Use IPU bridge")
Signed-off-by: Sakari Ailus <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

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

···
 	put_device(&ipu->dev);
 	if (ret < 0)
 		return ret;
-	if (WARN_ON(!dev_fwnode(dev)))
+	if (!dev_fwnode(dev)) {
+		dev_err(dev, "mei-csi probed without device fwnode!\n");
 		return -ENXIO;
+	}
 
 	csi = devm_kzalloc(dev, sizeof(struct mei_csi), GFP_KERNEL);
 	if (!csi)