HW_ATL_MPI_CONTROL_ADR
u32 val = aq_hw_read_reg(self, HW_ATL_MPI_CONTROL_ADR);
aq_hw_write_reg(self, HW_ATL_MPI_CONTROL_ADR, val);
u32 val = aq_hw_read_reg(self, HW_ATL_MPI_CONTROL_ADR);
aq_hw_write_reg(self, HW_ATL_MPI_CONTROL_ADR, val);