MPU_EP_SEM_STAGE_MASK
if ((reg & MPU_EP_SEM_STAGE_MASK) <= POST_STAGE_AWAITING_HOST_RDY) {
reg = (reg & ~MPU_EP_SEM_STAGE_MASK) | POST_STAGE_CHIP_RESET;
if ((reg & MPU_EP_SEM_STAGE_MASK) == POST_STAGE_ARMFW_READY) {