Without this, tx stops working after resume. By adding
these calls, everything seems to work fine.
Signed-off-by: Pascal Huerst <pascal.huerst@xxxxxxxxx>
---
drivers/tty/serial/msm_serial.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index ee96cf0d0057..33cd6e59ea69 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -1812,11 +1812,36 @@ static const struct of_device_id msm_match_table[] = {
};
MODULE_DEVICE_TABLE(of, msm_match_table);
+#ifdef CONFIG_PM_SLEEP
+static int msm_serial_suspend(struct device *dev)
+{
+ struct msm_port *port = dev_get_drvdata(dev);
+
+ uart_suspend_port(&msm_uart_driver, &port->uart);
+
+ return 0;
+}
+
+static int msm_serial_resume(struct device *dev)
+{
+ struct msm_port *port = dev_get_drvdata(dev);
+
+ uart_resume_port(&msm_uart_driver, &port->uart);
+
+ return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops msm_serial_dev_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(msm_serial_suspend, msm_serial_resume)
+};
+
static struct platform_driver msm_platform_driver = {
.remove = msm_serial_remove,
.probe = msm_serial_probe,
.driver = {
.name = "msm_serial",
+ .pm = &msm_serial_dev_pm_ops,
.of_match_table = msm_match_table,
},
};
--
2.14.3
--
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