void hubiio_crb_error_handler(struct hubdev_info *hubdev_info);
 extern void bte_crb_error_handler(cnodeid_t, int, int, ioerror_t *,
                                  int);
-static irqreturn_t hub_eint_handler(int irq, void *arg, struct pt_regs *ep)
+static irqreturn_t hub_eint_handler(int irq, void *arg)
 {
        struct hubdev_info *hubdev_info;
        struct ia64_sal_retval ret_stuff;
  */
 void hub_error_init(struct hubdev_info *hubdev_info)
 {
-       if (request_irq(SGI_II_ERROR, (void *)hub_eint_handler, IRQF_SHARED,
+       if (request_irq(SGI_II_ERROR, hub_eint_handler, IRQF_SHARED,
                        "SN_hub_error", (void *)hubdev_info))
                printk("hub_error_init: Failed to request_irq for 0x%p\n",
                    hubdev_info);
 
  * bridge sends an error interrupt.
  */
 static irqreturn_t
-pcibr_error_intr_handler(int irq, void *arg, struct pt_regs *regs)
+pcibr_error_intr_handler(int irq, void *arg)
 {
        struct pcibus_info *soft = (struct pcibus_info *)arg;
 
        /*
         * register the bridge's error interrupt handler
         */
-       if (request_irq(SGI_PCIASIC_ERROR, (void *)pcibr_error_intr_handler,
+       if (request_irq(SGI_PCIASIC_ERROR, pcibr_error_intr_handler,
                        IRQF_SHARED, "PCIBR error", (void *)(soft))) {
                printk(KERN_WARNING
                       "pcibr cannot allocate interrupt for error handler\n");