When the system resumes from suspend (S3 or S4), the power mode is MMC_POWER_OFF. In this status, gl9763e_runtime_resume() should not enable PLL. Add a condition to this function to enable PLL only when the power mode is MMC_POWER_ON. Fixes: d607667bb8fa (mmc: sdhci-pci-gli: Add runtime PM for GL9763E) Signed-off-by: Ben Chuang <benchuanggli@xxxxxxxxx> --- drivers/mmc/host/sdhci-pci-gli.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index d09728c37d03..d81e5dc90e15 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -972,6 +972,9 @@ static int gl9763e_runtime_resume(struct sdhci_pci_chip *chip) struct sdhci_host *host = slot->host; u16 clock; + if (host->mmc->ios.power_mode != MMC_POWER_ON) + return 0; + clock = sdhci_readw(host, SDHCI_CLOCK_CONTROL); clock |= SDHCI_CLOCK_PLL_EN; -- 2.36.0