diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 7487f0a..87b17c3 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -2774,7 +2774,7 @@
 }
 
 static irqreturn_t
-idt77252_interrupt(int irq, void *dev_id, struct pt_regs *ptregs)
+idt77252_interrupt(int irq, void *dev_id)
 {
 	struct idt77252_dev *card = dev_id;
 	u32 stat;