net: gianfar: convert to hw_features

Note: I bet that gfar_set_features() don't really need a full reset.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 0438d35..fc86f51 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -1083,7 +1083,7 @@
 	struct device_node *phy_node;
 	struct device_node *tbi_node;
 	u32 device_flags;
-	unsigned char rx_csum_enable:1,
+	unsigned char
 		extended_hash:1,
 		bd_stash_en:1,
 		rx_filer_enable:1,
@@ -1153,6 +1153,7 @@
 extern void gfar_configure_coalescing(struct gfar_private *priv,
 		unsigned long tx_mask, unsigned long rx_mask);
 void gfar_init_sysfs(struct net_device *dev);
+int gfar_set_features(struct net_device *dev, u32 features);
 
 extern const struct ethtool_ops gfar_ethtool_ops;