AHCI_P_CMD_ST
if (!(p->cmd & AHCI_P_CMD_ST))
p->cmd &= ~(AHCI_P_CMD_ST | AHCI_P_CMD_SUD | AHCI_P_CMD_POD |
p->cmd |= (AHCI_P_CMD_ST | AHCI_P_CMD_SUD | AHCI_P_CMD_POD |
if (!(value & AHCI_P_CMD_ST)) {
if (!(p->cmd & AHCI_P_CMD_ST)) {
if (!(p->cmd & AHCI_P_CMD_ST)) {