[src/trunk]: src/sys/arch/arm/include Don't use _lock_cas explicitly, use ato...

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

details:   https://anonhg.NetBSD.org/src/rev/945173c310bc
branches:  trunk
changeset: 326418:945173c310bc
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Jan 29 00:17:21 2014 +0000

description:
Don't use _lock_cas explicitly, use atomic_cas_ulong which could be one its
aliases.

diffstat:

 sys/arch/arm/include/rwlock.h |  7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diffs (22 lines):

diff -r 32fc084fc26e -r 945173c310bc sys/arch/arm/include/rwlock.h
--- a/sys/arch/arm/include/rwlock.h     Tue Jan 28 22:06:39 2014 +0000
+++ b/sys/arch/arm/include/rwlock.h     Wed Jan 29 00:17:21 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rwlock.h,v 1.5 2008/04/28 20:23:14 martin Exp $        */
+/*     $NetBSD: rwlock.h,v 1.6 2014/01/29 00:17:21 matt Exp $  */
 
 /*-
  * Copyright (c) 2002, 2006 The NetBSD Foundation, Inc.
@@ -43,11 +43,8 @@
 #define        RW_RECEIVE(rw)                  /* nothing */
 #define        RW_GIVE(rw)                     /* nothing */
 
-unsigned long  _lock_cas(volatile unsigned long *,
-    unsigned long, unsigned long);
-
 #define        RW_CAS(p, o, n)                 \
-    (_lock_cas((volatile unsigned long *)(p), (o), (n)) == (o))
+    (atomic_cas_ulong((volatile unsigned long *)(p), (o), (n)) == (o))
 
 #endif /* __RWLOCK_PRIVATE */