From 809090e8e212c88fe011452b827d7a9a7e9c914b Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 27 Nov 2018 13:58:33 +0200 Subject: [PATCH] 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 Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci-pci-core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index c4115bae5db1..5fe48d0f5c7e 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -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) -- 2.30.2