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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2018-11-27 13:58:33 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-12-17 08:26:24 +0100 |
| commit | 809090e8e212c88fe011452b827d7a9a7e9c914b (patch) | |
| tree | 5d19ea40a4c2afda714b7a0ffb33ee2284ebac46 /drivers/mmc/host | |
| parent | mmc: slot-gpio: Delete legacy GPIO handling (diff) | |
| download | linux-dev-809090e8e212c88fe011452b827d7a9a7e9c914b.tar.xz linux-dev-809090e8e212c88fe011452b827d7a9a7e9c914b.zip | |
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>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) |