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mmc: host: Wait for Vdd to settle on card power off #214

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mmc: host: Wait for Vdd to settle on card power off #214

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87e2892
Revert "mmc: core: Wait for Vdd to settle on card power off"
erickshepherdNI Mar 12, 2025
8f9d891
mmc: host: Wait for Vdd to settle on card power off
erickshepherdNI Mar 12, 2025
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6 changes: 5 additions & 1 deletion drivers/mmc/host/sdhci-pci-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -608,8 +608,12 @@ static void sdhci_intel_set_power(struct sdhci_host *host, unsigned char mode,

sdhci_set_power(host, mode, vdd);

if (mode == MMC_POWER_OFF)
if (mode == MMC_POWER_OFF) {
if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD ||
slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BYT_SD)
usleep_range(15000, 17500);
return;
}

/*
* Bus power might not enable after D3 -> D0 transition due to the
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3 changes: 0 additions & 3 deletions drivers/mmc/host/sdhci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2378,9 +2378,6 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
else
sdhci_set_power(host, ios->power_mode, ios->vdd);

if (ios->power_mode == MMC_POWER_OFF)
mdelay(15);

if (host->ops->platform_send_init_74_clocks)
host->ops->platform_send_init_74_clocks(host, ios->power_mode);

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