Re: [PATCH net-next v2 5/5] net: phy: add driver for built-in 2.5G ethernet PHY on MT7988

[Russell King (Oracle)]

On Mon, May 20, 2024 at 03:02:21PM +0200, Andrew Lunn wrote:
> > Actually this phy is strictly binded to (XFI)MAC on this platform.
> > So I directly disable HDX feature of PHY.
> 
> Sorry, i don't follow your answer:
> 
> Can the PHY do half duplex?
> Can the MAC do half duplex?
> 
> The part which cannot do half-duplex should be the part which disables
> half-duplex.

Note that if the PHY is doing rate adaption (preferably in a form that
it can control the MAC transmission rate), then even if the MAC can't
do half-duplex, the PHY can still do half-duplex.

-- 
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