netdev - Re: [PATCH v2] net: phy: aquantia: readd XGMII support for AQR107

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Message-ID: <119f4d94-a26b-38b7-0d3e-6c720c2b075f@gmail.com>
Date:   Wed, 15 May 2019 20:55:34 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Madalin-cristian Bucur <madalin.bucur@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: [PATCH v2] net: phy: aquantia: readd XGMII support for AQR107

On 15.05.2019 20:44, Andrew Lunn wrote:
> On Wed, May 15, 2019 at 07:25:14PM +0200, Heiner Kallweit wrote:
>> On 15.05.2019 18:19, Florian Fainelli wrote:
>>> On 5/15/19 8:07 AM, Madalin-cristian Bucur wrote:
>>>> XGMII interface mode no longer works on AQR107 after the recent changes,
>>>> adding back support.
>>>>
>>>> Fixes: 570c8a7d5303 ("net: phy: aquantia: check for supported interface modes in config_init")
>>>>
>>>> Signed-off-by: Madalin Bucur <madalin.bucur@....com>
>>>
>>> Just so you know for future submissions, there is no need for a newline
>>> between your Fixes: and Signed-off-by: tag, it's just a normal tag.
>>>
>>> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
>>>
>> I checked the datasheet and AQR107 doesn't support XGMII. It supports USXGMII,
>> maybe XGMII is used as workaround because phy_interface_t doesn't cover
>> USXGMII yet. If it makes the board work again, I think using XGMII is fine for
>> now. But we should add USXGMII and the remove this workaround.
> 
> Hi Heiner
> 
> We should add USXGMII anyway. But that is net-next material, if it is
> not the fix we go with.
> 
Right. It's a very small patch, I added it to my tree already.

>     Andrew
> 
Heiner