netdev - Re: [PATCH v2 3/4] net: stmmac: Add glue layer for Loongson-1 SoC

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Date: Wed, 23 Aug 2023 12:40:40 +0800
From: Keguang Zhang <keguang.zhang@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	"David S . Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Giuseppe Cavallaro <peppe.cavallaro@...com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, 
	Serge Semin <Sergey.Semin@...kalelectronics.ru>
Subject: Re: [PATCH v2 3/4] net: stmmac: Add glue layer for Loongson-1 SoC

On Wed, Aug 23, 2023 at 11:46 AM Andrew Lunn <andrew@...n.ch> wrote:
>
> > I understand the delay issue of RGMII.
> > Just tried phy-mode = "rgmii-id", it still works.
>
> That indicates something is broken. Both "rgmii-id" and "rgmii" should
> not work, just one of them. What PHY driver are you using?
>
I used generic PHY driver.
Both "rgmii" and "rgmii-id" work with this driver.
The PHY is RTL8211E.
So I switch the PHY driver to Realtek driver.
Now only "rgmii-id" works.
Thanks!

>     Andrew
>


--
Best regards,

Keguang Zhang