SDHCI_INT_BUS_POWER
if (intmask & SDHCI_INT_BUS_POWER) {
WR4(slot, SDHCI_INT_STATUS, SDHCI_INT_BUS_POWER);
intmask &= ~SDHCI_INT_BUS_POWER;
slot->intmask = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT |