- if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
- /* claim interrupt */
- adapter->pci_write_normalize(adapter, CRB_INT_VECTOR,
+ if (adapter->ahw.revision_id >= NX_P3_B1) {
+ /* check interrupt state machine, to be sure */
+ status = adapter->pci_read_immediate(adapter,
+ ISR_INT_STATE_REG);
+ if (!ISR_LEGACY_INT_TRIGGERED(status))
+ return IRQ_NONE;
+
+ } else if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+
+ our_int = adapter->pci_read_normalize(adapter, CRB_INT_VECTOR);
+ /* not our interrupt */
+ if ((our_int & (0x80 << adapter->portnum)) == 0)
+ return IRQ_NONE;
+
+ if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
+ /* claim interrupt */
+ adapter->pci_write_normalize(adapter,
+ CRB_INT_VECTOR,