netdev - Re: [PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if needed

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Date:   Mon, 14 Nov 2016 13:25:56 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     David Miller <davem@...emloft.net>, alex.g@...ptrum.com
Cc:     gokhan@...ptrum.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/phy/vitesse: Configure RGMII skew on VSC8601, if
 needed

On 11/14/2016 01:18 PM, David Miller wrote:
> From: Alexandru Gagniuc <alex.g@...ptrum.com>
> Date: Sat, 12 Nov 2016 15:32:13 -0800
> 
>> +	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
>> +		ret = vsc8601_add_skew(phydev);
> 
> I think you should use phy_interface_is_rgmii() here.
> 

This would include all RGMII modes, here I think the intent is to check
for PHY_INTERFACE_MODE_RGMII_ID and PHY_INTERFACE_MODE_RGMII_TXID (or
RXID),  Alexandru, what direction does the skew settings apply to?
-- 
Florian