On Mon, Jun 01, 2015 at 10:51:06AM +0530, Bhuvanchandra DV wrote: > + /* > + * CTS/RTS can _only_ be handled > + * automatically by the hardware. > + */ That's really not acceptable. You need to do something here so that you can _force_ RTS to be deasserted when the kernel buffers fill up - be that by stopping reading characters and letting the FIFO fill up or something of that ilk. Ignoring the rest of the flow control system in the kernel is not really acceptable. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- 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