gianfar: Fix regression caused by new napi interface

Protect all new napi function calls with CONFIG_GFAR_NAPI.  Otherwise
the driver will stop working when CONFIG_GFAR_NAPI disabled.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1509950..558440c 100644 (file)
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -932,10 +932,14 @@ tx_skb_fail:
 /* Returns 0 for success. */
 static int gfar_enet_open(struct net_device *dev)
 {
+#ifdef CONFIG_GFAR_NAPI
        struct gfar_private *priv = netdev_priv(dev);
+#endif
        int err;
 
+#ifdef CONFIG_GFAR_NAPI
        napi_enable(&priv->napi);
+#endif
 
        /* Initialize a bunch of registers */
        init_registers(dev);
@@ -945,13 +949,17 @@ static int gfar_enet_open(struct net_device *dev)
        err = init_phy(dev);
 
        if(err) {
+#ifdef CONFIG_GFAR_NAPI
                napi_disable(&priv->napi);
+#endif
                return err;
        }
 
        err = startup_gfar(dev);
        if (err)
+#ifdef CONFIG_GFAR_NAPI
                napi_disable(&priv->napi);
+#endif
 
        netif_start_queue(dev);
 
@@ -1105,7 +1113,9 @@ static int gfar_close(struct net_device *dev)
 {
        struct gfar_private *priv = netdev_priv(dev);
 
+#ifdef CONFIG_GFAR_NAPI
        napi_disable(&priv->napi);
+#endif
 
        stop_gfar(dev);