From b74a056a5cd9c84b02ff6d4ae92f895bbdbfbd51 Mon Sep 17 00:00:00 2001
From: Mark Kettenis <kettenis@cvs.openbsd.org>
Date: Mon, 2 Aug 2010 20:55:50 +0000
Subject: Make MHZ_TO_PLL safer to use by adding parenthesis.  Fixes a
 potential issue in agten(4) uncovered by gcc4.

ok miod@, deraadt@
---
 sys/dev/ic/ibm525reg.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'sys')

diff --git a/sys/dev/ic/ibm525reg.h b/sys/dev/ic/ibm525reg.h
index a602128093a..fca2fff436a 100644
--- a/sys/dev/ic/ibm525reg.h
+++ b/sys/dev/ic/ibm525reg.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ibm525reg.h,v 1.1 2005/07/19 09:34:14 miod Exp $	*/
+/*	$OpenBSD: ibm525reg.h,v 1.2 2010/08/02 20:55:49 kettenis Exp $	*/
 /*
  * Copyright (c) 2005, Miodrag Vallat.
  *
@@ -176,7 +176,7 @@
  * Pixel clock encoding
  */
 #define	MHZ_TO_PLL(m) \
-	(m) < 32 ? 0x00 | (4 * (m) - 65) : \
-	  (m) < 64 ? 0x40 | (2 * (m) - 65) : \
-	    (m) < 128 ? 0x80 | ((m) - 65) : \
-	      0xc0 | ((m) / 2 - 65)
+	((m) < 32 ? 0x00 | (4 * (m) - 65) : \
+	   (m) < 64 ? 0x40 | (2 * (m) - 65) : \
+	     (m) < 128 ? 0x80 | ((m) - 65) : \
+	       0xc0 | ((m) / 2 - 65))
-- 
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