fsl_edma_prep_slave_dma  457 drivers/dma/fsl-edma-common.c 	if (!fsl_edma_prep_slave_dma(fsl_chan, direction))
fsl_edma_prep_slave_dma  526 drivers/dma/fsl-edma-common.c 	if (!fsl_edma_prep_slave_dma(fsl_chan, direction))