From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 10 Apr 2009 20:52:08 +0000 (+0000)
Subject: Blackfin: fix data cache flushing when doing icache flushing
X-Git-Tag: v2.6.31-rc1~361^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d89137a17ca804ee60077f5d4ad8d7ca60f0614;p=pandora-kernel.git

Blackfin: fix data cache flushing when doing icache flushing

Make sure we flush all data caches and their write buffers before flushing
icache, otherwise random edge cases could crop up where stale data is read
into icache from external memory.  As fallout, punt the combined icache +
dcache flush function since we cannot safely do them back to back -- the
SSYNC is needed between the dcache flush and the icache flush.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---

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