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authorBarry Song <21cnbao@gmail.com>2011-09-14 03:20:01 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-10-17 09:11:40 +0100
commit74d41f39a9c161cd0434bb13d929d75fc7be75bd (patch)
treeb548ba041cf26059eb6a73e770698304d2b16dcd /arch/arm/mm/cache-l2x0.c
parent1caf30924f71ae16a26aa59b02a6401f467bf1c8 (diff)
ARM: 7090/1: CACHE-L2X0: filter start address can be 0 and is often 0
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>
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r--arch/arm/mm/cache-l2x0.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index a78044885ed..0d85d221d7b 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -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,