SDHCI_CLOCK_BASE_MASK 256 drivers/mmc/host/sdhci-pci-core.c & SDHCI_CLOCK_BASE_MASK) | SDHCI_CLOCK_BASE_MASK 3869 drivers/mmc/host/sdhci.c host->max_clk = (host->caps & SDHCI_CLOCK_BASE_MASK)