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>

drivers/net/smc911x.c

@@ -1242,7 +1242,7 @@ smc911x_rx_dma_irq(int dma, void *data)
 	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 {

drivers/net/smc911x.h

@@ -50,6 +50,10 @@
 #define SMC_DYNAMIC_BUS_CONFIG
 #endif
 
+#ifdef SMC_USE_PXA_DMA
+#define SMC_USE_DMA
+#endif
+
 /* store this information for the driver.. */
 struct smc911x_local {
 	/*
@@ -196,8 +200,6 @@ static inline void SMC_outsl(struct smc911x_local *lp, int reg,
 
 
 #ifdef SMC_USE_PXA_DMA
-#define SMC_USE_DMA
-
 /*
  * Define the request and free functions
  * These are unfortunately architecture specific as no generic allocation