diff mbox series

[v3,11/13] tty: serial: qcom-geni-serial: stop operations in progress at shutdown

Message ID 20221123110759.1836666-12-brgl@bgdev.pl (mailing list archive)
State Superseded
Headers show
Series serial: qcom-geni-serial: implement support for SE DMA | expand

Commit Message

Bartosz Golaszewski Nov. 23, 2022, 11:07 a.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 it causes trouble so fix it now.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/tty/serial/qcom_geni_serial.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 036231106321..82242a40a95a 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -865,6 +865,9 @@  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);
 }