--- zzzz-none-000/linux-3.10.107/drivers/usb/host/imx21-hcd.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/host/imx21-hcd.h	2021-02-04 17:41:59.000000000 +0000
@@ -24,6 +24,10 @@
 #ifndef __LINUX_IMX21_HCD_H__
 #define __LINUX_IMX21_HCD_H__
 
+#ifdef CONFIG_DYNAMIC_DEBUG
+#define DEBUG
+#endif
+
 #include <linux/platform_data/usb-mx2.h>
 
 #define NUM_ISO_ETDS 	2