linux-kernel - Re: Aquantia PHY in OCSGMII mode?

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Message-ID: <20251008130019.xe5w5x7pvipb23ks@skbuf>
Date: Wed, 8 Oct 2025 16:00:19 +0300
From: Vladimir Oltean <vladimir.oltean@....com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Alexander Wilhelm <alexander.wilhelm@...termo.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Aquantia PHY in OCSGMII mode?

On Wed, Oct 08, 2025 at 01:52:41PM +0100, Russell King (Oracle) wrote:
> On Wed, Oct 08, 2025 at 02:10:59PM +0300, Vladimir Oltean wrote:
> > 1. Configure IF_MODE=3 (SGMII autoneg format) for 2500base-x:
> 
> Just to be clear, we're not going to accept SGMII autoneg format for
> 2500base-X.

The "good" change is in the attachments of my previous email. The inline
diff on which you've commented is solely for further debugging of the
original issue, and is supposed to be applied on top of the "good"
change, and undo it (and in the process, get lynx_pcs_get_state() to be
called).

I know we're not going to accept SGMII autoneg format for 2500base-x, I
also said so in a few places in the email and in the "good" patch's
commit message.