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

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

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2018-11-27 13:58:33 +02:00 committed by Ulf Hansson
parent a622bb0a1e
commit 809090e8e2
1 changed files with 4 additions and 0 deletions

View File

@ -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)