From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> We don't stop transmissions in progress at shutdown. This is fine with FIFO SE mode but with DMA it causes trouble so fix it now. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- drivers/tty/serial/qcom_geni_serial.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 808b0250d51e..1dfc0122ff53 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -864,6 +864,8 @@ static void get_tx_fifo_size(struct qcom_geni_serial_port *port) static void qcom_geni_serial_shutdown(struct uart_port *uport) { disable_irq(uport->irq); + qcom_geni_serial_stop_tx(uport); + qcom_geni_serial_stop_rx(uport); } static int qcom_geni_serial_port_setup(struct uart_port *uport) -- 2.37.2