From: Haibo Chen <haibo.chen@xxxxxxx> Set the wakeup capability for the SDIO device which can wakeup system. And user can enable this wakeup through sysfs interface. Signed-off-by: Haibo Chen <haibo.chen@xxxxxxx> --- drivers/mmc/host/sdhci-esdhc-imx.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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); -- 2.17.1