drivers: spi: stm32: Skip pinctrl suspend/resume for subghzspi (18c73de9) · Commits · Wenxi XU / zephyr

drivers/spi/spi_ll_stm32.c

+21 −16

Original line number	Diff line number	Diff line
		@@ -1241,11 +1241,13 @@ static int spi_stm32_pm_action(const struct device *dev,

		switch (action) {
		case PM_DEVICE_ACTION_RESUME:
		if (!spi_stm32_is_subghzspi(dev)) {
		/* Set pins to active state */
		err = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);
		if (err < 0) {
		return err;
		}
		}

		/* enable clock */
		err = clock_control_on(clk, (clock_control_subsys_t)&config->pclken[0]);
		@@ -1258,22 +1260,25 @@ static int spi_stm32_pm_action(const struct device *dev,
		/* Stop device clock. */
		err = clock_control_off(clk, (clock_control_subsys_t)&config->pclken[0]);
		if (err != 0) {
		LOG_ERR("Could not enable SPI clock");
		LOG_ERR("Could not disable SPI clock");
		return err;
		}

		if (!spi_stm32_is_subghzspi(dev)) {
		/* Move pins to sleep state */
		err = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_SLEEP);
		if ((err < 0) && (err != -ENOENT)) {
		/*
		* If returning -ENOENT, no pins where defined for sleep mode :
		* Do not output on console (might sleep already) when going to sleep,
		* Do not output on console (might sleep already) when going to
		* sleep,
		* "SPI pinctrl sleep state not available"
		* and don't block PM suspend.
		* Else return the error.
		*/
		return err;
		}
		}
		break;
		default:
		return -ENOTSUP;