Index: uspace/lib/usbdev/src/devpoll.c
===================================================================
--- uspace/lib/usbdev/src/devpoll.c	(revision 7c3fb9bd77e4d2f6c10517a052e567f176fa91ee)
+++ uspace/lib/usbdev/src/devpoll.c	(revision 38d8849c5dae9664aadfb5dfe635e66fd4bcb908)
@@ -190,5 +190,5 @@
 		// but first we need to fix drivers to actually stop using this,
 		// since polling delay should be implemented in HC schedule
-		async_usleep(polling->delay);
+		fibril_usleep(polling->delay);
 	}