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

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Message-ID: <ebcd20c4-b0ba-41aa-b8fa-ad26481c3707@lunn.ch>
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