From 7463449b8287162454d7e00bf7fd2c64f72c1dc8 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 30 Jul 2012 14:41:09 -0700
Subject: atomic64_test: simplify the #ifdef for atomic64_dec_if_positive()
 test

Introduce CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE and use this instead
of the multitude of #if defined() checks in atomic64_test.c

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/Kconfig')

diff --git a/lib/Kconfig b/lib/Kconfig
index 8269d56..72c1d46 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -340,6 +340,9 @@ config NLATTR
 config GENERIC_ATOMIC64
        bool
 
+config ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+	def_bool y if GENERIC_ATOMIC64
+
 config LRU_CACHE
 	tristate
 
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