SMC911x: unbreak PXA builds

Currently SMC911x driver is broken on ARM/PXA builds.
Unbreak such configurations.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 8aa7460..ec32b5d 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1242,7 +1242,7 @@
 	netif_rx(skb);
 
 	spin_lock_irqsave(&lp->lock, flags);
-	pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16;
+	pkts = (SMC_GET_RX_FIFO_INF(lp) & RX_FIFO_INF_RXSUSED_) >> 16;
 	if (pkts != 0) {
 		smc911x_rcv(dev);
 	}else {