diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c
index 7acf01c..e9b4115 100644
--- a/drivers/video/matrox/matroxfb_base.c
+++ b/drivers/video/matrox/matroxfb_base.c
@@ -198,7 +198,7 @@
 	}
 }
 
-static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t matrox_irq(int irq, void *dev_id)
 {
 	u_int32_t status;
 	int handled = 0;