linux-kernel - Re: [PATCH v2] net: stmmac: correct MAC propagation delay

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Message-ID: <2c9eda9d-c433-93c5-9719-78c4940c7957@pengutronix.de>
Date:   Thu, 27 Jul 2023 09:41:06 +0200
From:   Johannes Zink <j.zink@...gutronix.de>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        kernel test robot <lkp@...el.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Russell King <linux@...linux.org.uk>,
        Eric Dumazet <edumazet@...gle.com>,
        Jose Abreu <joabreu@...opsys.com>,
        linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de,
        Jakub Kicinski <kuba@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-kernel@...r.kernel.org, patchwork-jzi@...gutronix.de
Subject: Re: [PATCH v2] net: stmmac: correct MAC propagation delay

Hi,

On 7/27/23 08:55, Johannes Zink wrote:
> Hi,
> 
> On 7/27/23 08:39, Johannes Zink wrote:
>> Hi Richard,
>>
> 
> [snip]
> 
> 
>>> How many _other_ SoCs did you test your patch on?
>>>
>> I don't have many available, thus as stated in the description: on the 
>> i.MX8MP only. That's why I am implementing my stuff in the imx glue code, 
>> you're welcome to help testing on other hardware if you have any at hand.

small correction to what I wrote earlier: it's not implemented in the gluecode, 
but in the general stmmac_hwtstamp. My bad, I added it to the gluecode in an 
early prototype version, but then tried to generalize it.

Johannes

> 
> note: for v3 I am going to check if we have a dwmac v5 and won't call into the 
> correction setup function otherwise.
> 
> Best regards
> Johannes
> 
> 
>> Best regards
>> Johannes
>>
>>> Thanks,
>>> Richard
>>>
>>>
>>>
>>
>>
> 

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