linux-kernel - 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