Index: uspace/lib/usbhost/include/usb/host/bandwidth.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/bandwidth.h	(revision 5e2b1ae6fe35b358dd5e76f6cedd1d7991973fe2)
+++ uspace/lib/usbhost/include/usb/host/bandwidth.h	(revision 970f6e17bc50adfee9cdfeffeb8ae2b6736726ae)
@@ -44,8 +44,10 @@
 #define BANDWIDTH_TOTAL_USB11 (12000000 / 8)
 /** 90% of total bandwidth is available for periodic transfers */
-#define BANDWIDTH_AVAILABLE_USB11 ((BANDWIDTH_TOTAL_USB11 / 10) * 9)
+#define BANDWIDTH_AVAILABLE_USB11 ((BANDWIDTH_TOTAL_USB11 * 9) / 10)
 
-//TODO: Implement
-#define BANDWIDTH_AVAILABLE_USB20  1
+/** Number of nanoseconds in one microframe */
+#define BANDWIDTH_TOTAL_USB20 (125000)
+/** 90% of total bandwidth is available for periodic transfers */
+#define BANDWIDTH_AVAILABLE_USB20  ((BANDWIDTH_TOTAL_USB20 * 9) / 10)
 
 typedef struct endpoint endpoint_t;