DMA_RX_TIMEOUT   1160 drivers/tty/serial/fsl_lpuart.c 	sport->rx_dma_rng_buf_len = (DMA_RX_TIMEOUT * baud /  bits / 1000) * 2;
DMA_RX_TIMEOUT   1485 drivers/tty/serial/fsl_lpuart.c 		sport->dma_rx_timeout = msecs_to_jiffies(DMA_RX_TIMEOUT);