Hi Piotr, On Tue, Feb 21, 2017 at 5:48 AM, Piotr Figiel <p.figiel@xxxxxxxxxxxxxxxxxxxxxx> wrote: > I'm not sure if it's best idea, I don't know if the UART will keep > triggering the interrupt if the source won't be cleared (FIFO drained), but > if it does we'll be irq flooded, if it doesn't there will be old contents in > the RX fifo no-one will touch until some other interrupt (other than TX fifo > empty, as at that time RXEN would still be 0) comes. RX fifo could be > alternatively cleaned somewhere else, this is actually question I raise in > my initial e-mail. How does the half-duplex RS485 problem manifest in practice? Do you think the issue you see is similar to what Clemens reported at: https://lkml.org/lkml/2017/1/4/579 ? Also, could you try kernel 4.10 instead of 3.10 so that we are all in the same code base? Thanks -- 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
