The sdhci-msm driver supports the device in both RUNNING and IDLE states, when eMMC/SD are not reading or writing, eMMC/SD are in IDLE state, the power management module will suspend the device(power off and reduce frequency, etc.), putting the device into a low-power mode. But the current sdhci-msm driver cannot put device enter into low-power mode. Enable aggressive PM capability to support runtime PM functionality, allowing the eMMC/SD card to enter lowe-power mode. Signed-off-by: Yuanjie Yang <quic_yuanjiey@xxxxxxxxxxx> --- drivers/mmc/host/sdhci-msm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index e00208535bd1..e3444d223513 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -2627,6 +2627,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) } msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY; + msm_host->mmc->caps |= MMC_CAP_AGGRESSIVE_PM; /* Set the timeout value to max possible */ host->max_timeout_count = 0xF; -- 2.34.1
