[PATCH 03/10] serial: stm32: select pinctrl state in each suspend/resume function

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From: Bich Hemon <bich.hemon@xxxxxx>

Select either pinctrl sleep state in suspend function or default state in
resume function.

Signed-off-by: Bich Hemon <bich.hemon@xxxxxx>
Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxx>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index e8d7a7b..8a7c582 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1223,6 +1223,8 @@ static int stm32_serial_suspend(struct device *dev)
 	else
 		stm32_serial_enable_wakeup(port, false);
 
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
@@ -1230,6 +1232,8 @@ 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);
 
-- 
1.9.1




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