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mmc: sdhci-pci-gli: Fix GL9763E runtime PM when the system resumes from suspend

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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@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220520114242.150235-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ben Chuang 2022-05-20 19:42:42 +08:00 committed by Ulf Hansson
parent b00ed48bb0
commit 291e7d52d1
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/sdhci-pci-gli.c
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@ -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;