From: Stefan Agner <ste...@agner.ch> Date: Mon, 21 Jan 2019 15:58:47 +0100
> According to the device tree binding the phy-supply property is > optional. Use the regulator_get_optional API accordingly. The > code already handles NULL just fine. > > This gets rid of the following warning: > fec 2188000.ethernet: 2188000.ethernet supply phy not found, using dummy > regulator > > Signed-off-by: Stefan Agner <ste...@agner.ch> Applied.