netdev - Re: [net-next PATCH v7 0/4] net: dsa: Add Airoha AN8855 support

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Message-ID: <f8c50ee6-a3d7-45eb-9c11-8018cc4043cb@redhat.com>
Date: Tue, 19 Nov 2024 12:10:19 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Christian Marangi <ansuelsmth@...il.com>,
 Vladimir Oltean <olteanv@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Heiner Kallweit <hkallweit1@...il.com>,
 Russell King <linux@...linux.org.uk>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, upstream@...oha.com
Subject: Re: [net-next PATCH v7 0/4] net: dsa: Add Airoha AN8855 support

On 11/18/24 19:35, Christian Marangi wrote:
> On Mon, Nov 18, 2024 at 04:48:59PM +0200, Vladimir Oltean wrote:
>> On Sun, Nov 17, 2024 at 02:27:55PM +0100, Christian Marangi wrote:
>>> This small series add the initial support for the Airoha AN8855 Switch.
>>>
>>> It's a 5 port Gigabit Switch with SGMII/HSGMII upstream port.
>>>
>>> This is starting to get in the wild and there are already some router
>>> having this switch chip.
>>>
>>> It's conceptually similar to mediatek switch but register and bits
>>> are different. And there is that massive Hell that is the PCS
>>> configuration.
>>> Saddly for that part we have absolutely NO documentation currently.
>>>
>>> There is this special thing where PHY needs to be calibrated with values
>>> from the switch efuse. (the thing have a whole cpu timer and MCU)
>>
>> Have you run the scripts in tools/testing/selftests/drivers/net/dsa/?
>> Could you post the results?
> 
> Any test in particular? I'm working on adding correct support for them
> in OpenWrt. Should I expect some to fail?

Unfortunatelly this landed on netdev too close to the merge window. I'll
unable to apply it on time and process the net-next PR as expected even
if it would receive ack from the DSA crew right now.

@Christian, you will have to repost it after the merge window.

Thanks,

Paolo