netdev - Re: [PATCH 1/8] ftgmac100: Add ethtool n-way reset call

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Message-ID: <a08e926a-5d8b-cb02-a2dd-1256b255be27@gmail.com>
Date:   Wed, 12 Apr 2017 17:00:15 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        netdev@...r.kernel.org
Subject: Re: [PATCH 1/8] ftgmac100: Add ethtool n-way reset call

On 04/12/2017 03:44 PM, Benjamin Herrenschmidt wrote:
> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> ---
>  drivers/net/ethernet/faraday/ftgmac100.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
> index 796b37e..bbeb8e7 100644
> --- a/drivers/net/ethernet/faraday/ftgmac100.c
> +++ b/drivers/net/ethernet/faraday/ftgmac100.c
> @@ -1043,11 +1043,11 @@ static void ftgmac100_get_drvinfo(struct net_device *netdev,
>  	strlcpy(info->bus_info, dev_name(&netdev->dev), sizeof(info->bus_info));
>  }
>  
> -static int ftgmac100_nway_reset(struct net_device *ndev)
> +static int ftgmac100_nway_reset(struct net_device *netdev)
>  {
> -	if (!ndev->phydev)
> +	if (!netdev->phydev)
>  		return -ENXIO;
> -	return phy_start_aneg(ndev->phydev);
> +	return phy_start_aneg(netdev->phydev);

Can you use phy_ethtool_nway_reset() which does that (and also checks if
phydev->drv is NULL which would be the case after an unbind).

>  }
>  
>  static void ftgmac100_get_ringparam(struct net_device *netdev,
> @@ -1088,6 +1088,7 @@ static const struct ethtool_ops ftgmac100_ethtool_ops = {
>  	.get_link		= ethtool_op_get_link,
>  	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
>  	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
> +	.nway_reset		= ftgmac100_nway_reset,
>  	.get_ringparam		= ftgmac100_get_ringparam,
>  	.set_ringparam		= ftgmac100_set_ringparam,
>  };
> 


-- 
Florian