On 02/18/2015 02:28 PM, George Spelvin wrote: > A question I might ask you is whether you think it's necessary to wait > for TEMT in serial8250_put_poll_char at all. Yes, a panic just as > the baud rate is being changed or a break is being sent could mangle > the last character, but such a race is a serious risk of losing those > characters *anyway*. I'm not sure, George. There are a lot of random FPGA 16550-workalikes that vary considerable on how they indicate TEMT/THRE and how they behave wrt INTs + tx + tx fifo. Regards, Peter Hurley -- 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
