A_MPS_INT_CAUSE
if (t3_handle_intr_status(adapter, A_MPS_INT_CAUSE, 0xffffffff,
A_MPS_INT_CAUSE,
reg_block_dump(sc, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE);
t4_write_reg(adap, A_MPS_INT_CAUSE, is_t4(adap) ? 0 : 0xffffffff);
t4_read_reg(adap, A_MPS_INT_CAUSE); /* flush */