const struct comedi_lrange *rangelist_ai;       /*  rangelist for A/D */
        const char *rangecode_ai;       /*  range codes for programming */
        unsigned int is_pci1713:1;
-       unsigned int has_irq:1;
        unsigned int has_large_fifo:1;  /* 4K or 1K FIFO */
        unsigned int has_diff_ai:1;
        unsigned int has_ao:1;
                .n_aichan       = 16,
                .rangelist_ai   = &range_pci1710_3,
                .rangecode_ai   = range_codes_pci1710_3,
-               .has_irq        = 1,
                .has_large_fifo = 1,
                .has_diff_ai    = 1,
                .has_ao         = 1,
                .n_aichan       = 16,
                .rangelist_ai   = &range_pci1710hg,
                .rangecode_ai   = range_codes_pci1710hg,
-               .has_irq        = 1,
                .has_large_fifo = 1,
                .has_diff_ai    = 1,
                .has_ao         = 1,
                .n_aichan       = 16,
                .rangelist_ai   = &range_pci17x1,
                .rangecode_ai   = range_codes_pci17x1,
-               .has_irq        = 1,
                .has_ao         = 1,
                .has_di_do      = 1,
                .has_counter    = 1,
                .rangelist_ai   = &range_pci1710_3,
                .rangecode_ai   = range_codes_pci1710_3,
                .is_pci1713     = 1,
-               .has_irq        = 1,
                .has_large_fifo = 1,
                .has_diff_ai    = 1,
        },
                .n_aichan       = 16,
                .rangelist_ai   = &range_pci17x1,
                .rangecode_ai   = range_codes_pci17x1,
-               .has_irq        = 1,
                .has_di_do      = 1,
        },
 };
 
        pci1710_reset(dev);
 
-       if (board->has_irq && pcidev->irq) {
+       if (pcidev->irq) {
                ret = request_irq(pcidev->irq, interrupt_service_pci1710,
                                  IRQF_SHARED, dev->board_name, dev);
                if (ret == 0)