netdev - Re: [PATCH net] net: phy: marvell10g: fix broken PHY interrupts for anyone after us in the driver probe list

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Date:   Fri, 27 Aug 2021 03:42:00 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek Behún <kabel@...nel.org>
Cc:     Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH net] net: phy: marvell10g: fix broken PHY interrupts for
 anyone after us in the driver probe list

> I fear these checks won't work, since this is a C45 PHY.
> 
> You need to check phydev->c45_ids.device_ids[1], instead of
> phydev->phy_id.
 
I think you are correct.

static int mv211x_match_phy_device(struct phy_device *phydev, bool has_5g)
{
        int val;

        if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
             MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88E2110)
                return 0;

This seems like a good pattern to follow.

     Andrew