netdev - Re: [PATCH net-next 03/14] phy: qcom-sgmii-eth: add .set

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Message-ID: <CAMRc=MfqJiHi1Ug92izGoL9CVty7-ijP0+6-m6hMyEJbZeLyBA@mail.gmail.com>
Date: Mon, 19 Jan 2026 14:00:49 +0000
From: Bartosz Golaszewski <brgl@...nel.org>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>, Andrew Lunn <andrew+netdev@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, linux-arm-kernel@...ts.infradead.org, 
	linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	Maxime Chevallier <maxime.chevallier@...tlin.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Mohd Ayaan Anwar <mohd.anwar@....qualcomm.com>, Neil Armstrong <neil.armstrong@...aro.org>, 
	netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>, 
	Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH net-next 03/14] phy: qcom-sgmii-eth: add .set_mode() and
 .validate() methods

On Mon, 19 Jan 2026 13:33:51 +0100, "Russell King (Oracle)"
<rmk+kernel@...linux.org.uk> said:
> qcom-sgmii-eth is an Ethernet SerDes supporting only Ethernet mode
> using SGMII, 1000BASE-X and 2500BASE-X.
>
> Add an implementation of the .set_mode() method, which can be used
> instead of or as well as the .set_speed() method. The Ethernet
> interface modes mentioned above all have a fixed data rate, so
> setting the mode is sufficient to fully specify the operating
> parameters.
>
> Add an implementation of the .validate() method, which will be
> necessary to allow discovery of the SerDes capabilities for platform
> independent SerDes support in the stmmac network driver.
>
> Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>