Message ID | 20221229155030.418800-2-brgl@bgdev.pl |
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Series |
serial: qcom-geni-serial: implement support for SE DMA
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Commit Message
Bartosz Golaszewski
Dec. 29, 2022, 3:50 p.m. UTC
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 (support for which we'll introduce later) it causes trouble so fix it now. Fixes: e83766334f96 ("tty: serial: qcom_geni_serial: No need to stop tx/rx on UART shutdown") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- 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 b487823f0e61..4f4c12f3c433 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -880,6 +880,8 @@ 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)