Index: uspace/drv/bus/usb/ehci/hw_struct/mem_access.h
===================================================================
--- uspace/drv/bus/usb/ehci/hw_struct/mem_access.h	(revision 708da59e02c531854089e5121c8f88c7d36f392f)
+++ uspace/drv/bus/usb/ehci/hw_struct/mem_access.h	(revision f9599b9cf4d33db659b5bf4717952190a1ac192a)
@@ -36,4 +36,5 @@
 
 #include <byteorder.h>
+#include <libarch/barrier.h>
 
 #define EHCI_MEM32_WR(reg, val) reg = host2uint32_t_le(val)