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mmc: sdhci-esdhc-imx: Enable support for system wakeup for SDIO

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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 <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/1623326486-25275-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Haibo Chen
2021-06-10 20:01:26 +08:00
committed by Ulf Hansson
parent 21adc2e45f
commit f62f7bcc82
1 changed files with 8 additions and 0 deletions
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8
drivers/mmc/host/sdhci-esdhc-imx.c
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@@ -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);