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authorHaibo Chen <haibo.chen@nxp.com>2021-06-10 15:01:26 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2021-06-14 14:57:44 +0300
commitf62f7bcc827fe7f0b02208d4811caec65aad1c8e (patch)
treed4cfb601d89128d427dc50a3c23dae6c87ce5d6a /drivers/mmc
parent21adc2e45f4ef32786807375107543797ff68615 (diff)
downloadlinux-f62f7bcc827fe7f0b02208d4811caec65aad1c8e.tar.xz
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 <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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c8
1 files changed, 8 insertions, 0 deletions
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);