From c70669ecef4e34af8913108fae4b8a9b1dc63fa1 Mon Sep 17 00:00:00 2001 From: Bich Hemon Date: Tue, 4 Jun 2019 10:55:12 +0200 Subject: [PATCH] serial: stm32: select pinctrl state in each suspend/resume function Select either pinctrl sleep state in suspend function or default state in resume function. Signed-off-by: Bich Hemon Signed-off-by: Erwan Le Ray Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/stm32-usart.c | 4 ++++ 1 file changed, 4 insertions(+) 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); -- 2.45.2