extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb);
/*
- * Ceiling microseconds (typical) for that many bytes at high speed
+ * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed
* ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed
* to preallocate bandwidth)
*/
#define USB2_HOST_DELAY 5 /* nsec, guess */
-#define HS_USECS(bytes) NS_TO_US ( ((55 * 8 * 2083)/1000) \
+#define HS_NSECS(bytes) ( ((55 * 8 * 2083)/1000) \
+ ((2083UL * (3167 + BitTime (bytes)))/1000) \
+ USB2_HOST_DELAY)
-#define HS_USECS_ISO(bytes) NS_TO_US ( ((38 * 8 * 2083)/1000) \
+#define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083)/1000) \
+ ((2083UL * (3167 + BitTime (bytes)))/1000) \
+ USB2_HOST_DELAY)
+#define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes))
+#define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes))
extern long usb_calc_bus_time (int speed, int is_input,
int isoc, int bytecount);