ep93xx_dma_chan_direction
if (!edmac->edma->m2m && dir != ep93xx_dma_chan_direction(chan)) {
if (!edmac->edma->m2m && dir != ep93xx_dma_chan_direction(chan)) {
if (cfg->dir != ep93xx_dma_chan_direction(chan))
if (ep93xx_dma_chan_direction(&edmac->chan) == DMA_MEM_TO_DEV)
if (edmac->dma_cfg.dir != ep93xx_dma_chan_direction(chan))