eth: smsc: remove a copy of the NAPI_POLL_WEIGHT define

Defining local versions of NAPI_POLL_WEIGHT with the same
values in the drivers just makes refactoring harder.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/smsc/smsc9420.c

@@ -1585,7 +1585,7 @@ smsc9420_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->netdev_ops = &smsc9420_netdev_ops;
 	dev->ethtool_ops = &smsc9420_ethtool_ops;
 
-	netif_napi_add(dev, &pd->napi, smsc9420_rx_poll, NAPI_WEIGHT);
+	netif_napi_add(dev, &pd->napi, smsc9420_rx_poll, NAPI_POLL_WEIGHT);
 
 	result = register_netdev(dev);
 	if (result) {

drivers/net/ethernet/smsc/smsc9420.h

@@ -15,7 +15,6 @@
 /* interrupt deassertion in multiples of 10us */
 #define INT_DEAS_TIME			(50)
 
-#define NAPI_WEIGHT			(64)
 #define SMSC_BAR			(3)
 
 #ifdef __BIG_ENDIAN