sfc: efx_ethtool_get_ts_info() can be static

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

drivers/net/ethernet/sfc/ethtool.c

@@ -1035,7 +1035,7 @@ static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
 	return 0;
 }
 
-int efx_ethtool_get_ts_info(struct net_device *net_dev,
+static int efx_ethtool_get_ts_info(struct net_device *net_dev,
 				   struct ethtool_ts_info *ts_info)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);