netdev - Re: [PATCH v4 1/3] dt-bindings: net: sophgo,sg2044-dwmac: add phy mode restriction

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Message-ID: <td7eseq6rmc3s2ecvcjyyyn5feawjmugzb4ihjyviquro7dv44@3dosfqam6h7h>
Date: Thu, 30 Oct 2025 10:17:17 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Conor Dooley <conor@...nel.org>, Inochi Amaoto <inochiama@...il.com>
Cc: Han Gao <rabenda.cn@...il.com>, Icenowy Zheng <uwu@...nowy.me>, 
	Vivian Wang <wangruikang@...as.ac.cn>, Yao Zi <ziyao@...root.org>, 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>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Chen Wang <unicorn_wang@...look.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Heiner Kallweit <hkallweit1@...il.com>, 
	Russell King <linux@...linux.org.uk>, "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>, 
	netdev@...r.kernel.org, devicetree@...r.kernel.org, sophgo@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, 
	linux-arm-kernel@...ts.infradead.org, Yixun Lan <dlan@...too.org>, Longbin Li <looong.bin@...il.com>
Subject: Re: [PATCH v4 1/3] dt-bindings: net: sophgo,sg2044-dwmac: add phy
 mode restriction

On Wed, Oct 29, 2025 at 05:54:49PM +0000, Conor Dooley wrote:
> On Wed, Oct 29, 2025 at 08:56:09AM +0800, Inochi Amaoto wrote:
> > On Tue, Oct 28, 2025 at 07:22:37PM +0000, Conor Dooley wrote:
> > > On Tue, Oct 28, 2025 at 08:38:56AM +0800, Inochi Amaoto wrote:
> > > > As the ethernet controller of SG2044 and SG2042 only supports
> > > > RGMII phy. Add phy-mode property to restrict the value.
> > > > 
> > > > Also, since SG2042 has internal rx delay in its mac, make
> > > > only "rgmii-txid" and "rgmii-id" valid for phy-mode.
> > > 
> > > Should this have a fixes tag?
> > > Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> > > 
> > 
> > Although I add a fixes tag to the driver, I am not sure whether the
> > binding requires it. But if it is required, I think it should be
> 
> Kinda depends for bindings, amending a binding for completeness probably
> doesn't need one but amending it to actually permit a functional
> configuration does. This is somewhere in-between I suppose. If a driver
> change is coming along with it which is likely to be backported, that'd
> be a vote in favour of a fixes tag here too, so that the binding and
> driver match in stable.
> 

Thank you. It is helpful for me. And in this case, it is suitable
to add this fixes tag.

Regards,
Inochi