--- a/cp2102/read_partno.c	Thu Sep 28 02:38:59 2023 +0000
+++ b/cp2102/read_partno.c	Thu Sep 28 03:26:11 2023 +0000
@@ -14,6 +14,8 @@
 #include "../libuwrap/find_dev.h"
 #include "cp210x_defs.h"
 
+extern struct usb_device *find_cp2102_device();
+
 main(argc, argv)
 	char **argv;
 {
@@ -26,11 +28,7 @@
 		fprintf(stderr, "usage: %s device-selector\n", argv[0]);
 		exit(1);
 	}
-	dev = find_usbdev_by_desc_string(argv[1]);
-	if (!dev) {
-		fprintf(stderr, "error: specified USB device not found\n");
-		exit(1);
-	}
+	dev = find_cp2102_device(argv[1]);
 	usbh = usb_open(dev);
 	if (!usbh) {
 		fprintf(stderr, "error: usb_open() failed\n");