[src/trunk]: src/sys/arch/alpha/pci mark variables used

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

details:   https://anonhg.NetBSD.org/src/rev/1a75fe33a8f5
branches:  trunk
changeset: 791096:1a75fe33a8f5
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Nov 04 16:58:14 2013 +0000

description:
mark variables used

diffstat:

 sys/arch/alpha/pci/cia_dma.c   |  7 ++++---
 sys/arch/alpha/pci/pci_kn8ae.c |  5 +++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diffs (64 lines):

diff -r 3fa2d0f6ebc8 -r 1a75fe33a8f5 sys/arch/alpha/pci/cia_dma.c
--- a/sys/arch/alpha/pci/cia_dma.c      Mon Nov 04 16:57:41 2013 +0000
+++ b/sys/arch/alpha/pci/cia_dma.c      Mon Nov 04 16:58:14 2013 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cia_dma.c,v 1.28 2012/02/06 02:14:14 matt Exp $ */
+/* $NetBSD: cia_dma.c,v 1.29 2013/11/04 16:58:14 christos Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: cia_dma.c,v 1.28 2012/02/06 02:14:14 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cia_dma.c,v 1.29 2013/11/04 16:58:14 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -424,7 +424,6 @@
 void
 cia_broken_pyxis_tlb_invalidate(void)
 {
-       volatile uint64_t dummy;
        uint32_t ctrl;
        int i, s;
 
@@ -447,9 +446,11 @@
         * XXX to read more times than there are actual tags!
         */
        for (i = 0; i < CIA_TLB_NTAGS + 4; i++) {
+               volatile uint64_t dummy;
                dummy = *((volatile uint64_t *)
                    ALPHA_PHYS_TO_K0SEG(CIA_PCI_DENSE + CIA_PYXIS_BUG_BASE +
                    (i * 65536)));
+               __USE(dummy);
        }
 
        /*
diff -r 3fa2d0f6ebc8 -r 1a75fe33a8f5 sys/arch/alpha/pci/pci_kn8ae.c
--- a/sys/arch/alpha/pci/pci_kn8ae.c    Mon Nov 04 16:57:41 2013 +0000
+++ b/sys/arch/alpha/pci/pci_kn8ae.c    Mon Nov 04 16:58:14 2013 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pci_kn8ae.c,v 1.27 2012/02/06 02:14:15 matt Exp $ */
+/* $NetBSD: pci_kn8ae.c,v 1.28 2013/11/04 16:58:14 christos Exp $ */
 
 /*
  * Copyright (c) 1997 by Matthew Jacob
@@ -32,7 +32,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: pci_kn8ae.c,v 1.27 2012/02/06 02:14:15 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_kn8ae.c,v 1.28 2013/11/04 16:58:14 christos Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -215,6 +215,7 @@
        vec = IH_VEC(ih);
 
        scb = &scb_iovectab[SCB_VECTOIDX(vec - SCB_IOVECBASE)];
+       __USE(scb);
 
        kn8ae_enadis_intr(ccp, ih, 0);