mmc: sdhci-esdhc-imx: restore pin state when resume back (af8fade4) · Commits · 戴 / test

In some low power mode, SoC will lose the pin state, so need to restore the pin state when resume back. Signed-off-by:

drivers/mmc/host/sdhci-esdhc-imx.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -1731,7 +1731,11 @@ static int sdhci_esdhc_suspend(struct device *dev)
		if (host->tuning_mode != SDHCI_TUNING_MODE_3)
		mmc_retune_needed(host->mmc);

		return sdhci_suspend_host(host);
		ret = sdhci_suspend_host(host);
		if (!ret)
		return pinctrl_pm_select_sleep_state(dev);

		return ret;
		}

		static int sdhci_esdhc_resume(struct device *dev)
		@@ -1739,6 +1743,10 @@ static int sdhci_esdhc_resume(struct device *dev)
		struct sdhci_host *host = dev_get_drvdata(dev);
		int ret;

		ret = pinctrl_pm_select_default_state(dev);
		if (ret)
		return ret;

		/* re-initialize hw state in case it's lost in low power mode */
		sdhci_esdhc_imx_hwinit(host);