Build fixes for struct pt_regs removal

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 094562e..e97cecb 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -234,7 +234,7 @@
 	}
 	spin_unlock_irqrestore(&eisa_irq_lock, flags);
 
-	__do_IRQ(irq, regs);
+	__do_IRQ(irq);
    
 	spin_lock_irqsave(&eisa_irq_lock, flags);
 	/* unmask */