SDHCI_AUTO_CAL_ENABLE 546 drivers/mmc/host/sdhci-tegra.c reg |= SDHCI_AUTO_CAL_ENABLE | SDHCI_AUTO_CAL_START; SDHCI_AUTO_CAL_ENABLE 564 drivers/mmc/host/sdhci-tegra.c reg &= ~SDHCI_AUTO_CAL_ENABLE;