soc: stm32f1x: Remove redundant code and clear SB flag (35b8ff43) · Commits · Wenxi XU / zephyr

There is no need to call stm32_pwr_wkup_pin_cfg_pupd() because the SoC does not have a pull-up/pull-down on the WKUP pin. Call LL_PWR_ClearFlag_SB() before entering StandBy power mode. Signed-off-by:

Oleh Kravchenko <oleg@kaa.org.ua>

soc/st/stm32/stm32f1x/poweroff.c

+2 −5

Original line number	Diff line number	Diff line
		@@ -7,16 +7,13 @@
		#include <stm32f1xx_ll_cortex.h>
		#include <stm32f1xx_ll_pwr.h>

		#include <zephyr/drivers/misc/stm32_wkup_pins/stm32_wkup_pins.h>
		#include <zephyr/kernel.h>
		#include <zephyr/sys/poweroff.h>

		void z_sys_poweroff(void)
		{
		#ifdef CONFIG_STM32_WKUP_PINS
		stm32_pwr_wkup_pin_cfg_pupd();

		LL_PWR_ClearFlag_SB();
		LL_PWR_ClearFlag_WU();
		#endif /* CONFIG_STM32_WKUP_PINS */

		LL_LPM_DisableEventOnPend();
		LL_PWR_SetPowerMode(LL_PWR_MODE_STANDBY);

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