From: xiaofeis <xiaofeis@xxxxxxxxxxxxxx> Date: Tue, 5 Mar 2019 16:16:53 +0800 > Allow port network device's mac address to be retrieved from the > device tree. > > Signed-off-by: xiaofeis <xiaofeis@xxxxxxxxxxxxxx> You're not "adding support" you are adding documentation for support that already exists. Please phrase your commit message and subject text so that it accurately describes your change.