DMA_PREP_REPEAT
sw_desc->cyclic = flags & DMA_PREP_REPEAT;
repeat_tx = vd->tx.flags & DMA_PREP_REPEAT;
if (!(flags & DMA_PREP_REPEAT) || !(flags & DMA_PREP_LOAD_EOT))
DMA_PREP_REPEAT |
if (flags & DMA_PREP_REPEAT &&