MHISTATUS_READY_MASK
is_ready = mhi_ep_mmio_masked_read(mhi_cntrl, EP_MHISTATUS, MHISTATUS_READY_MASK);
mhi_ep_mmio_masked_write(mhi_cntrl, EP_MHISTATUS, MHISTATUS_READY_MASK, 1);
MHISTATUS_READY_MASK, 1, interval_us,
MHISTATUS, MHISTATUS_READY_MASK,