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-rw-r--r--drivers/tty/serial/stm32-usart.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 9c2b04e6f5b6..04eda75d671c 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1298,6 +1298,8 @@ static int stm32_serial_suspend(struct device *dev)
else
stm32_serial_enable_wakeup(port, false);
+ pinctrl_pm_select_sleep_state(dev);
+
return 0;
}
@@ -1305,6 +1307,8 @@ static int stm32_serial_resume(struct device *dev)
{
struct uart_port *port = dev_get_drvdata(dev);
+ pinctrl_pm_select_default_state(dev);
+
if (device_may_wakeup(dev))
stm32_serial_enable_wakeup(port, false);
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