From: Catalin Marinas <catalin.marinas@arm.com>
Date: Tue, 31 Aug 2010 12:05:22 +0000 (+0100)
Subject: ARM: Improve the L2 cache performance when PL310 is used
X-Git-Tag: v2.6.37-rc1~23^2^2~1^2~7
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a6655e49fd98f3748bb80da20705448aad9ee57;p=pandora-kernel.git

ARM: Improve the L2 cache performance when PL310 is used

With this L2 cache controller, the cache maintenance by PA and sync
operations are atomic and do not require a "wait" loop. This patch
conditionally defines the cache_wait() function.

Since L2x0 cache controllers do not work with ARMv7 CPUs, the patch
automatically enables CACHE_PL310 when only CPU_V7 is defined.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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