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authorBen Chuang <benchuanggli@gmail.com>2022-05-20 19:42:42 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2022-05-31 15:31:39 +0200
commit291e7d52d19f114cad6cbf802f3f19ef12a011f8 (patch)
treedba6262d628a14d6d149a8bf65401ca61c5c8c0c /drivers/mmc
parentb00ed48bb0a7c295facf9036135a573a5cdbe7de (diff)
downloadlinux-291e7d52d19f114cad6cbf802f3f19ef12a011f8.tar.bz2
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 <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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-pci-gli.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index 1499a64ec3aa..f13c08db3da5 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;