RXTL_DMA         1270 drivers/tty/serial/imx.c 	slave_config.src_maxburst = RXTL_DMA - 1;
RXTL_DMA         1312 drivers/tty/serial/imx.c 	imx_uart_setup_ufcr(sport, TXTL_DMA, RXTL_DMA);