r8169: use constant NAPI_POLL_WAIT

We can use generic constant NAPI_POLL_WAIT instead of defining an own
constant for the same value.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169.c

@@ -88,7 +88,6 @@ static const int multicast_filter_limit = 32;
 #define InterFrameGap	0x03	/* 3 means InterFrameGap = the shortest one */
 
 #define R8169_REGS_SIZE		256
-#define R8169_NAPI_WEIGHT	64
 #define NUM_TX_DESC	64	/* Number of Tx descriptor registers */
 #define NUM_RX_DESC	256U	/* Number of Rx descriptor registers */
 #define R8169_TX_RING_BYTES	(NUM_TX_DESC * sizeof(struct TxDesc))
@@ -8316,7 +8315,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->ethtool_ops = &rtl8169_ethtool_ops;
 	dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
 
-	netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
+	netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
 
 	/* don't enable SG, IP_CSUM and TSO by default - it might not work
 	 * properly for all devices */