From: Ben Chuang Date: Fri, 20 May 2022 11:42:42 +0000 (+0800) Subject: mmc: sdhci-pci-gli: Fix GL9763E runtime PM when the system resumes from suspend X-Git-Tag: v6.1-rc5~1113^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=291e7d52d19f114cad6cbf802f3f19ef12a011f8;p=platform%2Fkernel%2Flinux-starfive.git mmc: sdhci-pci-gli: Fix GL9763E runtime PM when the system resumes from suspend 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 Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220520114242.150235-1-benchuanggli@gmail.com Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index 1499a64..f13c08d 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -982,6 +982,9 @@ 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;