Index: uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.c
===================================================================
--- uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.c	(revision 50362c6bda94d26932d1ba86c2c3ec971c56a217)
+++ uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.c	(revision a996402ef898089ab7a7f701afb770ceb257fd6b)
@@ -119,4 +119,5 @@
 	EHCI_MEM32_WR(instance->alternate, LINK_POINTER_TERM);
 	EHCI_MEM32_SET(instance->status, TD_STATUS_ACTIVE_FLAG);
+	write_barrier();
 }
 /**