--- zzzz-none-000/linux-3.10.107/tools/usb/testusb.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/tools/usb/testusb.c	2021-02-04 17:41:59.000000000 +0000
@@ -394,7 +394,7 @@
 	 *      low speed, interrupt    8 *  1     =     8
 	 */
 	param.iterations = 1000;
-	param.length = 512;
+	param.length = 1024;
 	param.vary = 512;
 	param.sglen = 32;
 
@@ -454,10 +454,10 @@
 			"\t-t testnum	only run specified case\n"
 			"\t-n		no test running, show devices to be tested\n"
 			"Case arguments:\n"
-			"\t-c iterations	default 1000\n"
-			"\t-s packetsize	default 512\n"
-			"\t-g sglen	default 32\n"
-			"\t-v vary		default 512\n",
+			"\t-c iterations		default 1000\n"
+			"\t-s transfer length	default 1024\n"
+			"\t-g sglen		default 32\n"
+			"\t-v vary			default 512\n",
 			argv[0]);
 		return 1;
 	}