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ARM: 7090/1: CACHE-L2X0: filter start address can be 0 and is often 0

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this patch fixes the error in Rob Herring's
ARM: 7009/1: l2x0: Add OF based initialization
http://www.spinics.net/lists/arm-kernel/msg131123.html
it has been in rmk/for-next with commit 41c86ff5b

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Rob Herring <robherring2@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Barry Song 2011-09-14 03:20:01 +01:00 committed by Russell King
parent 1caf30924f
commit 74d41f39a9
1 changed files with 1 additions and 1 deletions
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arch/arm/mm/cache-l2x0.c
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@ -437,7 +437,7 @@ static void __init pl310_of_setup(const struct device_node *np,
of_property_read_u32_array(np, "arm,filter-ranges",
filter, ARRAY_SIZE(filter));
if (filter[0] && filter[1]) {
if (filter[1]) {
writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M),
l2x0_base + L2X0_ADDR_FILTER_END);
writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L2X0_ADDR_FILTER_EN,