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authorAnton staaf <robotboy@chromium.org>2011-10-04 11:24:50 +0000
committerWolfgang Denk <wd@denx.de>2011-10-25 09:26:14 +0200
commita1969923c90c64ac55f80f14a7ca3ea2c766d079 (patch)
tree4de7f00f7b64589e74eacfd68e86273b3e563474 /README
parent4c1cd721d89d4b694dd018736007a97b5cdb04da (diff)
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mmc: dcache: allocate cache aligned buffers for ext_csd
Currently the mmc_change_freq and mmc_startup functions allocates buffers on the stack that are passed down to the MMC device driver. These buffers could be unaligned to the L1 dcache line size. This causes problems when using DMA and with caches enabled. This patch correctly cache alignes the buffers used for reading the ext_csd data from an MMC device. Signed-off-by: Anton Staaf <robotboy@chromium.org> Cc: Lukasz Majewski <l.majewski@samsung.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
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