dmaengine: sun6i: Fix memcpy operation
commit 1f9cd915 upstream. The prep_memcpy call was not setting any meaningful burst and width because it was relying on the dma_slave_config was not set already. Rework the needed conversion functions, and hardcode the width and burst to use. Signed-off-by:Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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