SDHCI_TUNING_SUPPORTED
slot->opt |= SDHCI_TUNING_SUPPORTED;
if (slot->opt & SDHCI_TUNING_SUPPORTED) {
if (slot->opt & SDHCI_TUNING_SUPPORTED) {
if (!(slot->opt & SDHCI_TUNING_SUPPORTED))
if (slot->opt & SDHCI_TUNING_SUPPORTED)