net: dsa: rename dsa_tag_driver_get() to dsa_tag_driver_get_by_id()

A future patch will introduce one more way of getting a reference on a
tagging protocl driver (by name). Rename the current method to "by_id".
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/dsa/dsa.c

@@ -102,7 +102,7 @@ const struct dsa_device_ops *dsa_find_tagger_by_name(const char *name)
 	return ops;
 }
 
-const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol)
+const struct dsa_device_ops *dsa_tag_driver_get_by_id(int tag_protocol)
 {
 	struct dsa_tag_driver *dsa_tag_driver;
 	const struct dsa_device_ops *ops;

net/dsa/dsa2.c

@@ -1441,7 +1441,7 @@ static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *master,
 	}
 
 	if (!tag_ops)
-		tag_ops = dsa_tag_driver_get(default_proto);
+		tag_ops = dsa_tag_driver_get_by_id(default_proto);
 
 	if (IS_ERR(tag_ops)) {
 		if (PTR_ERR(tag_ops) == -ENOPROTOOPT)

net/dsa/dsa_priv.h

@@ -243,7 +243,7 @@ struct dsa_slave_priv {
 };
 
 /* dsa.c */
-const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol);
+const struct dsa_device_ops *dsa_tag_driver_get_by_id(int tag_protocol);
 void dsa_tag_driver_put(const struct dsa_device_ops *ops);
 const struct dsa_device_ops *dsa_find_tagger_by_name(const char *name);