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authorMax Filippov <jcmvbkbc@gmail.com>2015-10-08 23:44:23 (GMT)
committerMax Filippov <jcmvbkbc@gmail.com>2015-11-08 22:25:37 (GMT)
commitc7ca9fe17b84719ef2edbe854e1b0cac04a91e2f (patch)
treeaf1d9766ac0e0c5749cae43412245cf0e918ae31 /lib/bcd.c
parente2b31f75406ed4ae700f5d954603f8119d9e94ca (diff)
downloadlinux-c7ca9fe17b84719ef2edbe854e1b0cac04a91e2f.tar.xz
xtensa: support DMA to high memory
- don't bugcheck if high memory page is passed to xtensa_map_page; - turn empty dcache flush macros into functions so that they could be passed as function parameters; - use kmap_atomic to map high memory pages for cache invalidation/ flushing performed by xtensa_sync_single_for_{cpu,device}. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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