netdev - Re: [PATCH net-next v3 6/8] net: phy: add calibration callbacks to phy

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Date: Tue, 14 Nov 2023 20:14:45 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Romain Gantois <romain.gantois@...tlin.com>
Cc: davem@...emloft.net, Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, thomas.petazzoni@...tlin.com,
	Florian Fainelli <f.fainelli@...il.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Vladimir Oltean <vladimir.oltean@....com>,
	Luka Perkov <luka.perkov@...tura.hr>,
	Robert Marko <robert.marko@...tura.hr>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: Re: [PATCH net-next v3 6/8] net: phy: add calibration callbacks to
 phy_driver

> +static inline
> +int phy_start_calibration(struct phy_device *phydev)
> +{
> +	if (!(phydev->drv &&
> +	      phydev->drv->calibration_start &&
> +	      phydev->drv->calibration_stop))
> +		return -EOPNOTSUPP;
> +
> +	return phydev->drv->calibration_start(phydev);
> +}
> +
> +static inline
> +int phy_stop_calibration(struct phy_device *phydev)
> +{
> +	if (!(phydev->drv &&
> +	      phydev->drv->calibration_stop))
> +		return -EOPNOTSUPP;
> +
> +	return phydev->drv->calibration_stop(phydev);
> +}
> +

What is the locking model?

     Andrew