Commit 48f6daf1 authored by Aniruddha Rao's avatar Aniruddha Rao Committed by Ulf Hansson
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mmc: sdhci-tegra: Enable wake on SD card event 



Enable GPIO wake source on SD card detect line. Physical card
insertion/removal event should wake the system from suspend.

Signed-off-by: default avatarAniruddha Rao <anrao@nvidia.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1642050969-21152-1-git-send-email-anrao@nvidia.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent b59294d6

drivers/mmc/host/sdhci-tegra.c

+8 −1
Original line number Diff line number Diff line
@@ -1673,6 +1673,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev) 
	/* HW busy detection is supported, but R1B responses are required. */

	host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;



	/* GPIO CD can be set as a wakeup source */

	host->mmc->caps |= MMC_CAP_CD_WAKE;



	tegra_sdhci_parse_dt(host);



	tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power",
@@ -1840,7 +1843,7 @@ static int sdhci_tegra_suspend(struct device *dev) 
		return ret;

	}



	return 0;

	return mmc_gpio_set_cd_wake(host->mmc, true);

}



static int sdhci_tegra_resume(struct device *dev)
@@ -1848,6 +1851,10 @@ static int sdhci_tegra_resume(struct device *dev) 
	struct sdhci_host *host = dev_get_drvdata(dev);

	int ret;



	ret = mmc_gpio_set_cd_wake(host->mmc, false);

	if (ret)

		return ret;



	ret = pm_runtime_force_resume(dev);

	if (ret)

		return ret;