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Commit 74d41f39 authored by Barry Song's avatar Barry Song Committed by Russell King
Browse files

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: default avatarBarry Song <Baohua.Song@csr.com>
Acked-by: default avatarRob Herring <robherring2@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 1caf3092

arch/arm/mm/cache-l2x0.c

+1 −1
Original line number Diff line number Diff line
@@ -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,