That port does not have an interrupt on TEMT when using
the FIFO mode.

Signed-off-by: Eric Tremblay <[email protected]>
---
 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

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