From: Will Deacon <will.deacon@arm.com>
Date: Thu, 4 Jun 2015 16:46:37 +0000 (+0100)
Subject: arm64: atomics: implement atomic{,64}_cmpxchg using cmpxchg
X-Git-Tag: omap-for-v4.3/fixes-rc1~98^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6059a7b6e818023436a9058170a4fea1c670dc98;p=pandora-kernel.git

arm64: atomics: implement atomic{,64}_cmpxchg using cmpxchg

We don't need duplicate cmpxchg implementations, so use cmpxchg to
implement atomic{,64}_cmpxchg, like we do for xchg already.

Reviewed-by: Steve Capper <steve.capper@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

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