-static irqreturn_t nm256_interrupt (int irq, void *dev_id, struct pt_regs *dummy);
-static irqreturn_t nm256_interrupt_zx (int irq, void *dev_id, struct pt_regs *dummy);
+static irqreturn_t nm256_interrupt (int irq, void *dev_id);
+static irqreturn_t nm256_interrupt_zx (int irq, void *dev_id);