Re: [PATCH 2/2] net: ks8851: Register MDIO bus and the internal PHY

[Marek Vasut]

On 12/30/20 5:00 PM, Andrew Lunn wrote:

+static int ks8851_mdio_read(struct mii_bus *bus, int phy_id, int reg)
+{
+       struct ks8851_net *ks = bus->priv;
+
+       if (phy_id != 0)
+               return 0xffffffff;
+

Please check for C45 and return -EOPNOTSUPP.

The ks8851_reg_read() does all the register checking already.