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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>