dma40: fix DMA API usage for LCLA
Map the buffer once and use dma_sync*() appropriately instead of mapping the buffer over and over without unmapping it. Acked-by: NPer Forlin <per.forlin@stericsson.com> Acked-by: NJonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: NRabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: NLinus Walleij <linus.walleij@stericsson.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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