svn commit: r293147 - stable/9/sys/dev/usb/controller

[Hans Petter Selasky]

Author: hselasky
Date: Mon Jan  4 07:29:19 2016
New Revision: 293147
URL: https://svnweb.freebsd.org/changeset/base/293147

Log:
  MFC r291199:
  Fix compile warning about shifting signed negative constant.

Modified:
  stable/9/sys/dev/usb/controller/uhci.h

Modified: stable/9/sys/dev/usb/controller/uhci.h
==============================================================================
--- stable/9/sys/dev/usb/controller/uhci.h	Mon Jan  4 07:27:58 2016	(r293146)
+++ stable/9/sys/dev/usb/controller/uhci.h	Mon Jan  4 07:29:19 2016	(r293147)
@@ -97,7 +97,7 @@ struct uhci_td {
 #define	UHCI_TD_GET_ENDPT(s)	(((s) >> 15) & 0xf)
 #define	UHCI_TD_SET_DT(t)	((t) << 19)
 #define	UHCI_TD_GET_DT(s)	(((s) >> 19) & 1)
-#define	UHCI_TD_SET_MAXLEN(l)	(((l)-1) << 21)
+#define	UHCI_TD_SET_MAXLEN(l)	(((l)-1U) << 21)
 #define	UHCI_TD_GET_MAXLEN(s)	((((s) >> 21) + 1) & 0x7ff)
 #define	UHCI_TD_MAXLEN_MASK	0xffe00000
 	volatile uint32_t td_buffer;