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mmc: sdhci-pci: Add max-frequency device property for Intel controllers

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Add support for the mmc max-frequency device property for Intel BYT-based
host controllers.

Signed-off-by: Adrian Hunter <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
This commit is contained in:
Adrian Hunter 2018-11-27 13:58:33 +02:00 • committed by Ulf Hansson
commit 809090e8e2
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/host/sdhci-pci-core.c
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@ -710,11 +710,15 @@ static int intel_execute_tuning(struct mmc_host *mmc, u32 opcode)
static void byt_probe_slot(struct sdhci_pci_slot *slot)
{
struct mmc_host_ops *ops = &slot->host->mmc_host_ops;
struct device *dev = &slot->chip->pdev->dev;
struct mmc_host *mmc = slot->host->mmc;
byt_read_dsm(slot);
ops->execute_tuning = intel_execute_tuning;
ops->start_signal_voltage_switch = intel_start_signal_voltage_switch;
device_property_read_u32(dev, "max-frequency", &mmc->f_max);
}
static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)