That port does not have an interrupt on TEMT when using the FIFO mode. Signed-off-by: Eric Tremblay <etremblay@xxxxxxxxxxxxxxxxxxxx> --- drivers/tty/serial/8250/8250_of.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 4efc62c0b25c..9a5bb6837949 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -225,6 +225,9 @@ static int of_platform_serial_probe(struct platform_device *ofdev) &port8250.overrun_backoff_time_ms) != 0) port8250.overrun_backoff_time_ms = 0; + if (port_type != PORT_16550A_FSL64) + port8250.capabilities |= UART_CAP_TEMT; + ret = serial8250_register_8250_port(&port8250); if (ret < 0) goto err_dispose; -- 2.17.1
