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authorCatalin Marinas <catalin.marinas@arm.com>2010-07-01 13:22:48 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-02 10:10:20 +0100
commit42c4dafe803dcad82980fd8b0831a89032156f93 (patch)
tree4ee6615d25d034420925215ee798924f54b4a0c3 /fs/xfs/quota
parent2503a5ecd86c002506001eba432c524ea009fe7f (diff)
ARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220
RealView boards with certain revisions of the L210/L220 cache controller may have issues (hardware deadlock) with the mandatory barriers (DSB followed by an L2 cache sync) when ARM_DMA_MEM_BUFFERABLE is enabled. The patch disables ARM_DMA_MEM_BUFFERABLE for these boards. Tested-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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