Re: [PATCH 11/15] tty: serial: qcom-geni-serial: stop operations in progress at shutdown

Konrad Dybcio
2022-11-18T13:32:43Z

On 18/11/2022 13:25, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> 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@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
> drivers/tty/serial/qcom_geni_serial.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 6a9f3f937f29..091b8f277a04 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -868,6 +868,9 @@ static void get_tx_fifo_size(struct qcom_geni_serial_port *port)
>
> static void qcom_geni_serial_shutdown(struct uart_port *uport)
> {
> + qcom_geni_serial_stop_tx(uport);
> + qcom_geni_serial_stop_rx(uport);
> +
> disable_irq(uport->irq);
> }
>