From: Yalin Wang <Yalin.Wang@sonymobile.com>
Date: Mon, 3 Nov 2014 02:01:03 +0000 (+0100)
Subject: ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~109^2~1^4~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=556d2f055bf6d79ce81587dfe774d4dd10da473f;p=pandora-kernel.git

ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction

this change add CONFIG_HAVE_ARCH_BITREVERSE config option,
so that we can use some architecture's bitrev hardware instruction
to do bitrev operation.

Introduce __constant_bitrev* macro for constant bitrev operation.

Change __bitrev16() __bitrev32() to be inline function,
don't need export symbol for these tiny functions.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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