linux-kernel - Re: [PATCH net-next v10 11/13] net: phy: add driver for built-in 2.5G ethernet PHY on MT7988

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Message-ID: <c21fe0db83dd665d4725ffedc51db9063dbe2f3d.camel@mediatek.com>
Date: Wed, 21 Aug 2024 09:49:38 +0000
From: SkyLake Huang (黃啟澤)
	<SkyLake.Huang@...iatek.com>
To: "andrew@...n.ch" <andrew@...n.ch>
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	<angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH net-next v10 11/13] net: phy: add driver for built-in 2.5G
 ethernet PHY on MT7988

On Fri, 2024-08-09 at 16:17 +0200, Andrew Lunn wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  > +static int mt798x_2p5ge_phy_config_aneg(struct phy_device
> *phydev)
> > +{
> > +bool changed = false;
> > +u32 adv;
> > +int ret;
> > +
> > +/* In fact, if we disable autoneg, we can't link up correctly:
> > + * 2.5G/1G: Need AN to exchange master/slave information.
> > + * 100M/10M: Without AN, link starts at half duplex (According to
> > + *           IEEE 802.3-2018), which this phy doesn't support.
> > + */
> > +if (phydev->autoneg == AUTONEG_DISABLE)
> > +return -EOPNOTSUPP;
> 
> I assume you have seen Russells patches in this area. Please could
> you
> test and review them. Depending on which gets merged, you might need
> to come back and clean this up later.
> 
>    Andrew

Yes I've seen Russells' patch which forces AN on for speed >= 1G.
Could I send another patch to clean this up? This patchset is sent a
month ago. I need some time to rebuild my testing environment.

BRs,
Sky