Subject: Re: [PATCH net-next v2 2/2] net: phy: DP83822: Add ability to advertise Fiber connection

From: Andrew Lunn <[email-masked]>
Date: Sat, 11 Jul 2020 20:45:12 +0200

> +#define MII_DP83822_FIBER_ADVERTISE	(SUPPORTED_AUI | SUPPORTED_FIBRE | \
> +					 SUPPORTED_BNC | SUPPORTED_Pause | \
> +					 SUPPORTED_Asym_Pause | \
> +					 SUPPORTED_100baseT_Full)
> +
> +		/* Setup fiber advertisement */
> +		err = phy_modify_changed(phydev, MII_ADVERTISE,
> +					 ADVERTISE_1000XFULL |
> +					 ADVERTISE_1000XPAUSE |
> +					 ADVERTISE_1000XPSE_ASYM,
> +					 MII_DP83822_FIBER_ADVERTISE);

That looks very odd. SUPPORTED_AUI #define has nothing to do with
MII_ADVERTISE register. It is not a bit you can read/write in that
register.

	Andrew