nfp: remove ethtool flashing fallback

Now that devlink fallback will be called reliably, we can remove
the ethtool flashing code.
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: NJiri Pirko <jiri@mellanox.com>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c

@@ -1234,28 +1234,6 @@ static int nfp_net_set_channels(struct net_device *netdev,
 	return nfp_net_set_num_rings(nn, total_rx, total_tx);
 }
 
-static int
-nfp_net_flash_device(struct net_device *netdev, struct ethtool_flash *flash)
-{
-	struct nfp_app *app;
-	int ret;
-
-	if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
-		return -EOPNOTSUPP;
-
-	app = nfp_app_from_netdev(netdev);
-	if (!app)
-		return -EOPNOTSUPP;
-
-	dev_hold(netdev);
-	rtnl_unlock();
-	ret = nfp_flash_update_common(app->pf, flash->data, NULL);
-	rtnl_lock();
-	dev_put(netdev);
-
-	return ret;
-}
-
 static const struct ethtool_ops nfp_net_ethtool_ops = {
 	.get_drvinfo		= nfp_net_get_drvinfo,
 	.get_link		= ethtool_op_get_link,
@@ -1266,7 +1244,6 @@ static const struct ethtool_ops nfp_net_ethtool_ops = {
 	.get_sset_count		= nfp_net_get_sset_count,
 	.get_rxnfc		= nfp_net_get_rxnfc,
 	.set_rxnfc		= nfp_net_set_rxnfc,
-	.flash_device		= nfp_net_flash_device,
 	.get_rxfh_indir_size	= nfp_net_get_rxfh_indir_size,
 	.get_rxfh_key_size	= nfp_net_get_rxfh_key_size,
 	.get_rxfh		= nfp_net_get_rxfh,
@@ -1292,7 +1269,6 @@ const struct ethtool_ops nfp_port_ethtool_ops = {
 	.get_strings		= nfp_port_get_strings,
 	.get_ethtool_stats	= nfp_port_get_stats,
 	.get_sset_count		= nfp_port_get_sset_count,
-	.flash_device		= nfp_net_flash_device,
 	.set_dump		= nfp_app_set_dump,
 	.get_dump_flag		= nfp_app_get_dump_flag,
 	.get_dump_data		= nfp_app_get_dump_data,