netdev - Re: [PATCH net-next v8 08/11] net: stmmac: dwmac-loongson: Fix MAC speed for GNET

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Message-ID: <593adab6-7ecf-4d8f-aefb-3f5eea24f3fc@lunn.ch>
Date: Tue, 26 Mar 2024 13:21:43 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Yanteng Si <siyanteng@...ngson.cn>
Cc: Serge Semin <fancer.lancer@...il.com>, hkallweit1@...il.com,
	peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
	joabreu@...opsys.com, Jose.Abreu@...opsys.com,
	chenhuacai@...ngson.cn, linux@...linux.org.uk,
	guyinggang@...ngson.cn, netdev@...r.kernel.org,
	chris.chenfeiyang@...il.com
Subject: Re: [PATCH net-next v8 08/11] net: stmmac: dwmac-loongson: Fix MAC
 speed for GNET

On Tue, Mar 26, 2024 at 08:02:55PM +0800, Yanteng Si wrote:
> 
> 在 2024/3/21 23:02, Andrew Lunn 写道:
> > > When switching speeds (from 100M to 1000M), the phy cannot output clocks,
> > > 
> > > resulting in the unavailability of the network card.  At this time, a reset
> > > of the
> > > 
> > > phy is required.
> > reset, or restart of autoneg?
> 
> reset.

If you need a reset, why are you asking it to restart auto-neg?

	Andrew