From f62f7bcc827fe7f0b02208d4811caec65aad1c8e Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Thu, 10 Jun 2021 20:01:26 +0800 Subject: mmc: sdhci-esdhc-imx: Enable support for system wakeup for SDIO Enable support for system wakeup, by setting the wakeup capability for the slot corresponding to the SDIO card. Users need to enable the wakeup through the sysfs interface. Signed-off-by: Haibo Chen Link: https://lore.kernel.org/r/1623326486-25275-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci-esdhc-imx.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 7336ae749137..72c0bf0c1887 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1620,6 +1620,14 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (err) goto disable_ahb_clk; + /* + * Setup the wakeup capability here, let user to decide + * whether need to enable this wakeup through sysfs interface. + */ + if ((host->mmc->pm_caps & MMC_PM_KEEP_POWER) && + (host->mmc->pm_caps & MMC_PM_WAKE_SDIO_IRQ)) + device_set_wakeup_capable(&pdev->dev, true); + pm_runtime_set_active(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, 50); pm_runtime_use_autosuspend(&pdev->dev); -- cgit v1.2.3