linux-kernel - Re: [PATCH v3 07/13] net: phy: add qca8081 get

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Date:   Mon, 18 Oct 2021 23:44:12 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Luo Jie <luoj@...eaurora.org>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, sricharan@...eaurora.org
Subject: Re: [PATCH v3 07/13] net: phy: add qca8081 get_features

On Mon, Oct 18, 2021 at 11:33:27AM +0800, Luo Jie wrote:
> Reuse the at803x phy driver get_features excepting
> adding 2500M capability.
> 
> Signed-off-by: Luo Jie <luoj@...eaurora.org>
> ---
>  drivers/net/phy/at803x.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
> index 42d3f8ccca94..0c22ef735230 100644
> --- a/drivers/net/phy/at803x.c
> +++ b/drivers/net/phy/at803x.c
> @@ -719,6 +719,15 @@ static int at803x_get_features(struct phy_device *phydev)
>  	if (err)
>  		return err;
>  
> +	if (phydev->drv->phy_id == QCA8081_PHY_ID) {
> +		err = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_NG_EXTABLE);
> +		if (err < 0)
> +			return err;
> +
> +		linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported,
> +				err & MDIO_PMA_NG_EXTABLE_2_5GBT);
> +	}

genphy_c45_pma_read_abilities()?

	Andrew