[src/trunk]: src/sys/dev/pci use variables that are only used in debugging.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/395cbd9fbe07
branches:  trunk
changeset: 790530:395cbd9fbe07
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Oct 16 18:18:54 2013 +0000

description:
use variables that are only used in debugging.

diffstat:

 sys/dev/pci/cs4281.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r 13fe2ec83693 -r 395cbd9fbe07 sys/dev/pci/cs4281.c
--- a/sys/dev/pci/cs4281.c      Wed Oct 16 18:13:00 2013 +0000
+++ b/sys/dev/pci/cs4281.c      Wed Oct 16 18:18:54 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cs4281.c,v 1.48 2012/10/27 17:18:31 chs Exp $  */
+/*     $NetBSD: cs4281.c,v 1.49 2013/10/16 18:18:54 christos Exp $     */
 
 /*
  * Copyright (c) 2000 Tatoku Ogaito.  All rights reserved.
@@ -43,7 +43,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cs4281.c,v 1.48 2012/10/27 17:18:31 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cs4281.c,v 1.49 2013/10/16 18:18:54 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -335,8 +335,13 @@
        /* clear the interrupt register */
        BA0WRITE4(sc, CS4281_HICR, HICR_CHGM | HICR_IEV);
 
+#ifdef CS4280_DEBUG
        DPRINTF(("intr = 0x%08x, hdsr0 = 0x%08x hdsr1 = 0x%08x\n",
                 intr, hdsr0, hdsr1));
+#else
+       (void)&hdsr0;
+       (void)&hdsr1;
+#endif
 
        /* Playback Interrupt */
        if (intr & HISR_DMA0) {