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

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Date: Wed, 23 Aug 2023 05:46:26 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Keguang Zhang <keguang.zhang@...il.com>
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

> 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?

    Andrew