AHCI_P_CMD_CR
if ((AHCI_READ(sc, AHCI_P_CMD(chp->ch_channel)) & AHCI_P_CMD_CR)
if (AHCI_READ(sc, AHCI_P_CMD(chp->ch_channel)) & AHCI_P_CMD_CR) {
if ((cmd & AHCI_P_CMD_CR) != 0) {
if ((cmd & AHCI_P_CMD_CR) != 0) {
KASSERT((AHCI_READ(sc, AHCI_P_CMD(chp->ch_channel)) & AHCI_P_CMD_CR) == 0);