linux-kernel - Re: [PATCH net-next 1/7] net: phy: marvell10g: Use get

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Date:   Thu, 21 Feb 2019 10:22:15 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        thomas.petazzoni@...tlin.com, gregory.clement@...tlin.com,
        miquel.raynal@...tlin.com, nadavh@...vell.com, stefanc@...vell.com,
        mw@...ihalf.com
Subject: Re: [PATCH net-next 1/7] net: phy: marvell10g: Use get_features to
 get the PHY abilities

On Thu, Feb 21, 2019 at 10:51:22AM +0100, Maxime Chevallier wrote:
> The Alaska family of 10G PHYs has more abilities than the ones listed in
> PHY_10GBIT_FULL_FEATURES, the exact list depending on the model.
> 
> Make use of the newly introduced .get_features call to build this list,
> using genphy_c45_pma_read_abilities to build the list of supported
> linkmodes, and adding autoneg ability based on what's reported by the AN
> MMD.
> 
> .config_init is still used to validate the interface_mode.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> ---
>  drivers/net/phy/marvell10g.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
> index 9ea27acf05ad..65ef469adf58 100644
> --- a/drivers/net/phy/marvell10g.c
> +++ b/drivers/net/phy/marvell10g.c
> @@ -233,8 +233,6 @@ static int mv3310_resume(struct phy_device *phydev)
>  
>  static int mv3310_config_init(struct phy_device *phydev)
>  {
> -	int ret, val;
> -
>  	/* Check that the PHY interface type is compatible */
>  	if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
>  	    phydev->interface != PHY_INTERFACE_MODE_XAUI &&
> @@ -242,6 +240,12 @@ static int mv3310_config_init(struct phy_device *phydev)
>  	    phydev->interface != PHY_INTERFACE_MODE_10GKR)
>  		return -ENODEV;
>  
> +	return 0;
> +}
> +
> +static int mv3310_get_features(struct phy_device *phydev)
> +{
> +	int ret, val;

Please try to keep the formatting/style consistent in the file you are
editing.  A blank line here would do that.  Thanks.

>  	if (phydev->c45_ids.devices_in_package & MDIO_DEVS_AN) {
>  		val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
>  		if (val < 0)
> @@ -429,7 +433,7 @@ static struct phy_driver mv3310_drivers[] = {
>  		.phy_id		= 0x002b09aa,
>  		.phy_id_mask	= MARVELL_PHY_ID_MASK,
>  		.name		= "mv88x3310",
> -		.features	= PHY_10GBIT_FEATURES,
> +		.get_features	= mv3310_get_features,
>  		.soft_reset	= gen10g_no_soft_reset,
>  		.config_init	= mv3310_config_init,
>  		.probe		= mv3310_probe,
> -- 
> 2.19.2
> 
> 

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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