DMA_ATTR_SKIP_CPU_SYNC
if ((attrs & DMA_ATTR_SKIP_CPU_SYNC) == 0)
if ((attrs & DMA_ATTR_SKIP_CPU_SYNC) != 0)
if ((attrs & DMA_ATTR_SKIP_CPU_SYNC) != 0)
if ((attrs & DMA_ATTR_SKIP_CPU_SYNC) != 0)
pp->params.dma_dir, DMA_ATTR_SKIP_CPU_SYNC);