[v2,03/10] serial: stm32: select pinctrl state in each suspend/resume function

Message ID 1560255930-22554-4-git-send-email-erwan.leray@st.com
State New
Headers show
Series
  • Untitled series #21006
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Commit Message

Erwan Le Ray June 11, 2019, 12:25 p.m.
From: Bich Hemon <bich.hemon@st.com>


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

Signed-off-by: Bich Hemon <bich.hemon@st.com>

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>


-- 
1.9.1

Patch

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 9c2b04e..04eda75 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);