IOPMU_QUEUE_EMPTY
if (req32 == IOPMU_QUEUE_EMPTY)
if (iop_req32 == IOPMU_QUEUE_EMPTY) {
if (req != IOPMU_QUEUE_EMPTY)
if (req!=IOPMU_QUEUE_EMPTY) {
while ((req = BUS_SPACE_RD4_ITL(outbound_queue)) !=IOPMU_QUEUE_EMPTY) {
if (req32 == IOPMU_QUEUE_EMPTY)
if (req32 == IOPMU_QUEUE_EMPTY)