netdev - Re: [net-next PATCH v2 03/10] net: netcp: ethss: make call to gbe_sgmii

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Date:   Tue, 27 Mar 2018 19:18:17 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Murali Karicheri <m-karicheri2@...com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, ssantosh@...nel.org,
        malat@...ian.org, w-kwok2@...com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [net-next PATCH v2 03/10] net: netcp: ethss: make call to
 gbe_sgmii_config() conditional

On Tue, Mar 27, 2018 at 12:31:42PM -0400, Murali Karicheri wrote:
> As a preparatory patch to add support for 2u cpsw hardware found on
> K2G SoC, make call to gbe_sgmii_config() conditional. This is required
> since 2u uses RGMII interface instead of SGMII and to allow for driver
> re-use.
> 
> Signed-off-by: Murali Karicheri <m-karicheri2@...com>
> ---
>  drivers/net/ethernet/ti/netcp_ethss.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
> index 56dbc0b..1dea891 100644
> --- a/drivers/net/ethernet/ti/netcp_ethss.c
> +++ b/drivers/net/ethernet/ti/netcp_ethss.c
> @@ -2271,7 +2271,8 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
>  
>  	void (*hndlr)(struct net_device *) = gbe_adjust_link;
>  
> -	gbe_sgmii_config(priv, slave);
> +	if ((priv->ss_version == GBE_SS_VERSION_14) || IS_SS_ID_NU(priv))
> +		gbe_sgmii_config(priv, slave);

Or maybe:

   if (slave->phy_node == PHY_INTERFACE_MODE_SGMII)
   	gbe_sgmii_config(priv, slave);

	Andrew