SDHCI_INT_CMD_MASK
if (intmask & SDHCI_INT_CMD_MASK) {
WR4(slot, SDHCI_INT_STATUS, intmask & SDHCI_INT_CMD_MASK);
sdhci_cmd_irq(slot, intmask & SDHCI_INT_CMD_MASK);
intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK);