linux-kernel - Re: [PATCH] net: stmmac: dwmac-sophgo: Add phy interface filter

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Message-ID: <i5prc7y4fxt3krghgvs7buyfkwwulxnsc2oagbwdjx4tbqjqls@fx4nkkyz6tdt>
Date: Sat, 18 Oct 2025 08:42:07 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Andrew Lunn <andrew@...n.ch>, Inochi Amaoto <inochiama@...il.com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Chen Wang <unicorn_wang@...look.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>, 
	Han Gao <rabenda.cn@...il.com>, Icenowy Zheng <uwu@...nowy.me>, 
	Vivian Wang <wangruikang@...as.ac.cn>, Yao Zi <ziyao@...root.org>, netdev@...r.kernel.org, 
	sophgo@...ts.linux.dev, linux-stm32@...md-mailman.stormreply.com, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Yixun Lan <dlan@...too.org>, 
	Longbin Li <looong.bin@...il.com>
Subject: Re: [PATCH] net: stmmac: dwmac-sophgo: Add phy interface filter

On Fri, Oct 17, 2025 at 08:16:17PM +0200, Andrew Lunn wrote:
> On Fri, Oct 17, 2025 at 09:18:01AM +0800, Inochi Amaoto wrote:
> > As the SG2042 has an internal rx delay, the delay should be remove
> > when init the mac, otherwise the phy will be misconfigurated.
> 
> Are there any in tree DT blobs using invalid phy-modes? In theory,
> they should not work, but sometimes there is other magic going on. I
> just want to make sure this is not going to cause a regression.
> 

I see no SG2042 board using invalid phy-modes. Only rgmii-id is used,
which is vaild.

> Also, does the DT binding document list the valid phy-modes?
> 

It does not list. Is it better for me to add a list for it?

Regards,
Inochi