drivers: serial: stm32: Small code refactoring
Wakeup-source configuration is about configuring registers.
It belongs to uart_stm32_registers_configure().
Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>
diff --git a/drivers/serial/uart_stm32.c b/drivers/serial/uart_stm32.c
index edaff82..e36e13b 100644
--- a/drivers/serial/uart_stm32.c
+++ b/drivers/serial/uart_stm32.c
@@ -1962,6 +1962,27 @@
}
#endif
+#if defined(CONFIG_PM) && defined(IS_UART_WAKEUP_FROMSTOP_INSTANCE)
+ if (config->wakeup_source) {
+ /* Enable ability to wakeup device in Stop mode
+ * Effect depends on CONFIG_PM_DEVICE status:
+ * CONFIG_PM_DEVICE=n : Always active
+ * CONFIG_PM_DEVICE=y : Controlled by pm_device_wakeup_enable()
+ */
+#ifdef USART_CR3_WUFIE
+ LL_USART_SetWKUPType(config->usart, LL_USART_WAKEUP_ON_RXNE);
+ LL_USART_EnableIT_WKUP(config->usart);
+ LL_USART_ClearFlag_WKUP(config->usart);
+#endif
+ LL_USART_EnableInStopMode(config->usart);
+
+ if (config->wakeup_line != STM32_EXTI_LINE_NONE) {
+ /* Prepare the WAKEUP with the expected EXTI line */
+ LL_EXTI_EnableIT_0_31(BIT(config->wakeup_line));
+ }
+ }
+#endif /* CONFIG_PM */
+
LL_USART_Enable(config->usart);
#ifdef USART_ISR_TEACK
@@ -2016,29 +2037,6 @@
config->irq_config_func(dev);
#endif /* CONFIG_PM || CONFIG_UART_INTERRUPT_DRIVEN || CONFIG_UART_ASYNC_API */
-#if defined(CONFIG_PM) && defined(IS_UART_WAKEUP_FROMSTOP_INSTANCE)
- if (config->wakeup_source) {
- /* Enable ability to wakeup device in Stop mode
- * Effect depends on CONFIG_PM_DEVICE status:
- * CONFIG_PM_DEVICE=n : Always active
- * CONFIG_PM_DEVICE=y : Controlled by pm_device_wakeup_enable()
- */
-#ifdef USART_CR3_WUFIE
- LL_USART_Disable(config->usart);
- LL_USART_SetWKUPType(config->usart, LL_USART_WAKEUP_ON_RXNE);
- LL_USART_EnableIT_WKUP(config->usart);
- LL_USART_ClearFlag_WKUP(config->usart);
- LL_USART_Enable(config->usart);
-#endif
- LL_USART_EnableInStopMode(config->usart);
-
- if (config->wakeup_line != STM32_EXTI_LINE_NONE) {
- /* Prepare the WAKEUP with the expected EXTI line */
- LL_EXTI_EnableIT_0_31(BIT(config->wakeup_line));
- }
- }
-#endif /* CONFIG_PM */
-
#ifdef CONFIG_UART_ASYNC_API
return uart_stm32_async_init(dev);
#else
