netdev - Re: [PATCH 2/2] net: ethernet: nb8800: handle all RGMII declinations

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Date:   Fri, 4 Nov 2016 17:29:34 +0100
From:   Sebastian Frias <sf84@...oste.net>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Måns Rullgård <mans@...sr.com>,
        "David S. Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, Mason <slash.tmp@...e.fr>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH 2/2] net: ethernet: nb8800: handle all RGMII declinations

On 11/04/2016 05:23 PM, Florian Fainelli wrote:
> 
> 
> On 11/04/2016 08:05 AM, Sebastian Frias wrote:
>> Commit a999589ccaae ("phylib: add RGMII-ID interface mode definition")
>> and commit 7d400a4c5897 ("phylib: add PHY interface modes for internal
>> delay for tx and rx only") added several RGMII declinations:
>> PHY_INTERFACE_MODE_RGMII_ID, PHY_INTERFACE_MODE_RGMII_RXID and
>> PHY_INTERFACE_MODE_RGMII_TXID to deal with internal delays.
>>
>> Those are all RGMII modes (1Gbit) and must be considered that way when
>> setting the MAC Mode or the Pads Mode for the HW to work properly.
>>
>> Signed-off-by: Sebastian Frias <sf84@...oste.net>
>> ---
>>  drivers/net/ethernet/aurora/nb8800.c | 10 ++++++----
>>  1 file changed, 6 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
>> index d2855c9..6230ace 100644
>> --- a/drivers/net/ethernet/aurora/nb8800.c
>> +++ b/drivers/net/ethernet/aurora/nb8800.c
>> @@ -609,7 +609,10 @@ static void nb8800_mac_config(struct net_device *dev)
>>  		mac_mode |= HALF_DUPLEX;
>>  
>>  	if (gigabit) {
>> -		if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII)
>> +		if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII ||
>> +		    priv->phy_mode == PHY_INTERFACE_MODE_RGMII_ID ||
>> +		    priv->phy_mode == PHY_INTERFACE_MODE_RGMII_RXID ||
>> +		    priv->phy_mode == PHY_INTERFACE_MODE_RGMII_TXID)
> 
> phy_interface_is_rgmii(phydev)?

Thanks! I'll post an update.

> 
>>  			mac_mode |= RGMII_MODE;
>>  
>>  		mac_mode |= GMAC_MODE;
>> @@ -1278,9 +1281,8 @@ static int nb8800_tangox_init(struct net_device *dev)
>>  		break;
>>  
>>  	case PHY_INTERFACE_MODE_RGMII:
>> -		pad_mode = PAD_MODE_RGMII;
>> -		break;
>> -
>> +	case PHY_INTERFACE_MODE_RGMII_ID:
>> +	case PHY_INTERFACE_MODE_RGMII_RXID:
>>  	case PHY_INTERFACE_MODE_RGMII_TXID:
>>  		pad_mode = PAD_MODE_RGMII;
>>  		break;
>>
>