--- src/sys/bus/cam/scsi/scsi_ch.c	2007/11/13 00:28:27	1.20
+++ src/sys/bus/cam/scsi/scsi_ch.c	2007/11/17 20:28:46	1.21
@@ -212,7 +212,7 @@ static struct periph_driver chdriver =
 	TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0
 };
 
-DATA_SET(periphdriver_set, chdriver);
+PERIPHDRIVER_DECLARE(ch, chdriver);
 
 static struct dev_ops ch_ops = {
 	{ "ch", CH_CDEV_MAJOR, 0 },