Hi, I'm trying to test the DMA capability of the UART Linux driver which was written by Synopsys (DesignWare 8250 driver) drivers/tty/serial/8250/ As it is even when the DMA capability for the UART driver is enabled by the Kernel, the driver does not initialize or try to use DMA mode. Did I miss something? do I have to enable something else? Thanks, Sifan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html