Index: uspace/drv/bus/usb/ohci/ohci_regs.h
===================================================================
--- uspace/drv/bus/usb/ohci/ohci_regs.h	(revision 1558d85ed379df2444da9a5e16727816dbb0a4b8)
+++ uspace/drv/bus/usb/ohci/ohci_regs.h	(revision 926010246a89088c7694f5b643c549ac4e798fdb)
@@ -180,8 +180,8 @@
 /** Device removable mask */
 #define RHDB_DR_SHIFT   0
-#define RHDB_DR_MASK    0xffff
+#define RHDB_DR_MASK    0xffffU
 /** Power control mask */
-#define RHDB_PCC_MASK (0xffff)
-#define RHDB_PCC_SHIFT 16
+#define RHDB_PCC_MASK	0xffffU
+#define RHDB_PCC_SHIFT	16
 
 	/** Root hub status register */