stm32_dma_set_xfer_param 861 drivers/dma/stm32-dma.c ret = stm32_dma_set_xfer_param(chan, direction, &buswidth, stm32_dma_set_xfer_param 930 drivers/dma/stm32-dma.c ret = stm32_dma_set_xfer_param(chan, direction, &buswidth, period_len);