From: Will Deacon <will.deacon@arm.com>
Date: Thu, 4 Jun 2015 15:41:36 +0000 (+0100)
Subject: arm64: atomics: tidy up common atomic{,64}_* macros
X-Git-Tag: omap-for-v4.3/fixes-rc1~98^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a82e62382fcbbf5c3348e802af73583e0cac39c0;p=pandora-kernel.git

arm64: atomics: tidy up common atomic{,64}_* macros

The common (i.e. identical for ll/sc and lse) atomic macros in atomic.h
are needlessley different for atomic_t and atomic64_t.

This patch tidies up the definitions to make them consistent across the
two atomic types and factors out common code such as the add_unless
implementation based on cmpxchg.

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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