summaryrefslogtreecommitdiffstats
path: root/drivers/staging/unisys
diff options
context:
space:
mode:
authorBenjamin Romer <benjamin.romer@unisys.com>2014-08-05 14:57:49 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-08-16 12:23:07 -0700
commit746c28e1af51cc6e7c7c6f7bc7d502f6986713a2 (patch)
tree44bae4fcc2a6598002d48b8225c6540be39cb843 /drivers/staging/unisys
parent52d13a618aa9b84b8ed8b761ca76cec51701afde (diff)
downloadlinux-746c28e1af51cc6e7c7c6f7bc7d502f6986713a2.tar.gz
linux-746c28e1af51cc6e7c7c6f7bc7d502f6986713a2.tar.bz2
linux-746c28e1af51cc6e7c7c6f7bc7d502f6986713a2.zip
staging: unisys: get rid of uiscmpxchg64
Remove the uiscmpxchg64 macro from uisqueue.h and uisqueue.c. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/unisys')
-rw-r--r--drivers/staging/unisys/include/uisqueue.h15
-rw-r--r--drivers/staging/unisys/uislib/uisqueue.c6
2 files changed, 2 insertions, 19 deletions
diff --git a/drivers/staging/unisys/include/uisqueue.h b/drivers/staging/unisys/include/uisqueue.h
index a2abfa8c82fd..8983407592a9 100644
--- a/drivers/staging/unisys/include/uisqueue.h
+++ b/drivers/staging/unisys/include/uisqueue.h
@@ -423,19 +423,4 @@ struct guest_msgs {
};
-#ifndef __xg
-#define __xg(x) ((volatile long *)(x))
-#endif
-
-/*
-* Below code is a copy of Linux kernel's cmpxchg function located at
-* this place
-* http://tcsxeon:8080/source/xref/00trunk-AppOS-linux/include/asm-x86/cmpxchg_64.h#84
-* Reason for creating our own version of cmpxchg along with
-* UISLIB_LOCK_PREFIX is to make the operation atomic even for non SMP
-* guests.
-*/
-
-#define uislibcmpxchg64(p, o, n, s) cmpxchg(p, o, n)
-
#endif /* __UISQUEUE_H__ */
diff --git a/drivers/staging/unisys/uislib/uisqueue.c b/drivers/staging/unisys/uislib/uisqueue.c
index 84eafca5e45c..f52bca1d95b1 100644
--- a/drivers/staging/unisys/uislib/uisqueue.c
+++ b/drivers/staging/unisys/uislib/uisqueue.c
@@ -43,8 +43,7 @@ uisqueue_InterlockedOr(unsigned long long __iomem *Target,
j = readq(Target);
do {
i = j;
- j = uislibcmpxchg64((__force unsigned long long *)Target,
- i, i | Set, sizeof(*(Target)));
+ j = cmpxchg((__force unsigned long long *)Target, i, i | Set);
} while (i != j);
@@ -62,8 +61,7 @@ uisqueue_InterlockedAnd(unsigned long long __iomem *Target,
j = readq(Target);
do {
i = j;
- j = uislibcmpxchg64((__force unsigned long long *)Target,
- i, i & Set, sizeof(*(Target)));
+ j = cmpxchg((__force unsigned long long *)Target, i, i & Set);
} while (i != j);