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| author | Erwan Le Ray <erwan.leray@st.com> | 2019-06-13 15:49:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-04 12:43:45 +0200 |
| commit | 94616d9a9db0099f5251c60b831e03619c63523a (patch) | |
| tree | 41dc43c4c8f61588f8aef87ddf1f32ae875e702c /drivers/tty/serial/stm32-usart.c | |
| parent | dt-bindings: serial: stm32: add wakeup option (diff) | |
| download | linux-94616d9a9db0099f5251c60b831e03619c63523a.tar.xz linux-94616d9a9db0099f5251c60b831e03619c63523a.zip | |
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 <bich.hemon@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Link: https://lore.kernel.org/r/1560433800-12255-4-git-send-email-erwan.leray@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/stm32-usart.c')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 24a2261f879a..7bb2bb9fffbc 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/pm_wakeirq.h> @@ -1373,6 +1374,8 @@ static int stm32_serial_suspend(struct device *dev) else stm32_serial_enable_wakeup(port, false); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -1380,6 +1383,8 @@ 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); |