linux-kernel - Re: [PATCH net-next v2 5/8] net: phy: mscc: 1588 block initialization

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Message-ID: <159246469278.467274.10534310212877661795@kwain>
Date:   Thu, 18 Jun 2020 09:18:12 +0200
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com, richardcochran@...il.com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, allan.nielsen@...rochip.com,
        foss@...il.net
Subject: Re: [PATCH net-next v2 5/8] net: phy: mscc: 1588 block initialization

Hello Jakub,

Quoting Jakub Kicinski (2020-06-17 18:32:58)
> On Wed, 17 Jun 2020 15:31:24 +0200 Antoine Tenart wrote:
> > +/* Two PHYs share the same 1588 processor and it's to be entirely configured
> > + * through the base PHY of this processor.
> > + */
> > +/* phydev->bus->mdio_lock should be locked when using this function */
> > +static inline int phy_ts_base_write(struct phy_device *phydev, u32 regnum,
> > +                                 u16 val)
> 
> Please don't use static inline outside of headers in networking code.
> The compiler will know best what to inline and when.

I'll remove them.

Thanks,
Antoine

> > +/* phydev->bus->mdio_lock should be locked when using this function */
> > +static inline int phy_ts_base_read(struct phy_device *phydev, u32 regnum)
> > +{
> > +     struct vsc8531_private *priv = phydev->priv;
> > +
> > +     WARN_ON_ONCE(!mutex_is_locked(&phydev->mdio.bus->mdio_lock));
> > +     return __mdiobus_read(phydev->mdio.bus, priv->ts_base_addr, regnum);
> > +}

-- 
Antoine Ténart, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com