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Message-ID: <7d4f2e43-bb38-44cf-91a0-dbe1116e6a87@lunn.ch>
Date: Fri, 14 Jul 2023 06:22:14 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Feiyang Chen <chris.chenfeiyang@...il.com>
Cc: "Russell King (Oracle)" <linux@...linux.org.uk>,
Feiyang Chen <chenfeiyang@...ngson.cn>, hkallweit1@...il.com,
peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
joabreu@...opsys.com, chenhuacai@...ngson.cn, dongbiao@...ngson.cn,
loongson-kernel@...ts.loongnix.cn, netdev@...r.kernel.org,
loongarch@...ts.linux.dev
Subject: Re: [RFC PATCH 10/10] net: stmmac: dwmac-loongson: Add GNET support
> Hi, Russell,
>
> There is an issue with the synchronization between the network card
> and the PHY.
Details. We need the details in order to tell you the best workaround
for your broken hardware.
I believe that I am unable to access certain bits of the
> network card's registers within the PHY driver.
The PHY driver and the MAC driver should never access each others
registers.
Andrew
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