Index: uspace/drv/bus/usb/uhci/hc.c
===================================================================
--- uspace/drv/bus/usb/uhci/hc.c	(revision a9fcd73c9a825936be7838244fd03da4f23bf1e7)
+++ uspace/drv/bus/usb/uhci/hc.c	(revision 9b8dac4abaf1b95ace858acca3c0e5f72ebcc6f3)
@@ -354,5 +354,5 @@
 		// The HW could have been looking at the batch.
 		// Better wait two frames before we release the buffers.
-		endpoint_wait_timeout_locked(ep, 2000);
+		async_usleep(2000);
 		batch->base.error = EINTR;
 		batch->base.transfered_size = 0;