netdev - Re: [PATCH V3 net-next 2/6] net: Introduce a new MII time stamping interface.

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Message-ID: <20190528140105.GH18059@lunn.ch>
Date:   Tue, 28 May 2019 16:01:05 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
        devicetree@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH V3 net-next 2/6] net: Introduce a new MII time stamping
 interface.

On Mon, May 27, 2019 at 10:17:50PM -0700, Richard Cochran wrote:
> On Wed, May 22, 2019 at 02:58:23AM +0200, Andrew Lunn wrote:
> > > -static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
> > > +static int dp83640_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
> > >  {
> > > -	struct dp83640_private *dp83640 = phydev->priv;
> > > +	struct dp83640_private *dp83640 =
> > > +		container_of(mii_ts, struct dp83640_private, mii_ts);
> > >  	struct hwtstamp_config cfg;
> > >  	u16 txcfg0, rxcfg0;
> > 
> > Hi Richard
> > 
> > David might complain about reverse christmas tree. Maybe define a
> > macro, to_dp83640() which takes mii_ts?
> 
> That is nice idea for another series, I think.  For now this matches
> the existing 'container_of' usage within the driver.

Well, David might reject it because it is not reverse christmas tree.

      Andrew