DBG_PROM
DBG_PROM("suspend: CPUs paused\n");
DBG_PROM("suspend: cyclics suspended\n");
DBG_PROM("suspend: spl8()\n");
DBG_PROM("suspend: source_tick: 0x%lx\n", source_tick);
DBG_PROM("suspend: source_stick: 0x%lx\n", source_stick);
DBG_PROM("suspend: suspending... \n");