This code is no longer used, the logging function was changed by commit
fbca164776e4 ("net: stmmac: Use the right logging function in
stmmac_mdio_register").
It was previously showing information about the type of the IRQ, if it's
polled, ignored or a normal interrupt. As we don't want information
From: Romain Perier
Date: Mon, 4 Sep 2017 10:41:36 +0200
> This code is no longer used, the logging function was changed by commit
> fbca164776e4 ("net: stmmac: Use the right logging function in
> stmmac_mdio_register").
> It was previously showing information about the type of the IRQ, if it's
