Index: uspace/drv/bus/usb/uhci/hc.c
===================================================================
--- uspace/drv/bus/usb/uhci/hc.c	(revision 3f932a7eeaf8b09420c71c95d09792b4ef55221a)
+++ uspace/drv/bus/usb/uhci/hc.c	(revision 76d0981d8dda2b7d698201a93e0c555e99215ba5)
@@ -44,4 +44,5 @@
 #include <macros.h>
 #include <mem.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -607,5 +608,5 @@
 	instance->transfers_##queue.queue_head
 
-	while (1) {
+	while (true) {
 		const uint16_t cmd = pio_read_16(&instance->registers->usbcmd);
 		const uint16_t sts = pio_read_16(&instance->registers->usbsts);