linux-kernel - Re: [PATCH net-next v3 0/2] net: phy: sfp: Add single-byte SMBus SFP access

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Message-ID: <1653ddbd-af37-4ed1-8419-06d17424b894@lunn.ch>
Date: Mon, 17 Mar 2025 22:34:09 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>,
	Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
	Florian Fainelli <f.fainelli@...il.com>,
	Köry Maincent <kory.maincent@...tlin.com>,
	Simon Horman <horms@...nel.org>,
	Romain Gantois <romain.gantois@...tlin.com>,
	Antoine Tenart <atenart@...nel.org>,
	Marek Behún <kabel@...nel.org>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Bjørn Mork <bjorn@...k.no>
Subject: Re: [PATCH net-next v3 0/2] net: phy: sfp: Add single-byte SMBus SFP
 access

On Fri, Mar 14, 2025 at 05:23:16PM +0100, Maxime Chevallier wrote:
> Hello everyone,
> 
> This is V3 for the single-byte SMBus support for SFP cages as well as
> embedded PHYs accessed over mdio-i2c.

Just curious, what hardware is this? And does it support bit-banging
the I2C pins? If it does, you get a choice, slow but correct vs fast
but broken and limited?

	Andrew