OCTEON_MBOX_STATE_RESPONSE_PENDING
mbox->state = OCTEON_MBOX_STATE_RESPONSE_PENDING;
mbox->state &= ~OCTEON_MBOX_STATE_RESPONSE_PENDING;
if (mbox->state & (OCTEON_MBOX_STATE_RESPONSE_PENDING |
OCTEON_MBOX_STATE_RESPONSE_PENDING))
if (!(mbox->state & OCTEON_MBOX_STATE_RESPONSE_PENDING)) {
OCTEON_MBOX_STATE_RESPONSE_PENDING) &&
~OCTEON_MBOX_STATE_RESPONSE_PENDING;