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-rw-r--r--sys/dev/usb/usb_hub.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_hub.h b/sys/dev/usb/usb_hub.h
index 2dae7af..62ab0d7 100644
--- a/sys/dev/usb/usb_hub.h
+++ b/sys/dev/usb/usb_hub.h
@@ -52,7 +52,9 @@ struct usb2_fs_isoc_schedule {
* The following structure defines an USB HUB.
*/
struct usb2_hub {
+#if USB_HAVE_TT_SUPPORT
struct usb2_fs_isoc_schedule fs_isoc_schedule[USB_ISOC_TIME_MAX];
+#endif
struct usb2_device *hubudev; /* the HUB device */
usb2_error_t (*explore) (struct usb2_device *hub);
void *hubsoftc;
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