diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 991e084..7f5df9a 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -66,7 +66,7 @@
 
 static irqreturn_t at91_cf_irq(int irq, void *_cf)
 {
-	struct at91_cf_socket	*cf = (struct at91_cf_socket *) _cf;
+	struct at91_cf_socket *cf = _cf;
 
 	if (irq == cf->board->det_pin) {
 		unsigned present = at91_cf_present(cf);