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H A Drockchip_decompress.cc9f753f3de40f92a5a24edd53fbca1977ae2805b Wed Sep 02 08:24:21 UTC 2020 Joseph Chen <chenjh@rock-chips.com> misc: rockchip decompress: use flush_dcache_all() before decompress

flush_dcache_all() operating on set/way is faster than
flush_cache() and invalidate_dcache_range() operating
on virtual address.

Tested: it saves about 12.5ms in rv1126 thunder-boot.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: Ie8ba42f56e72d0d554dca3949573196ef2165bd7